About the Execution of LTSMin+red for FunctionPointer-PT-b032
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2024-input.r496-tall-171640603000253.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5568
Executing tool ltsminxred
Input is FunctionPointer-PT-b032, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r496-tall-171640603000253
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 888K
-rw-r--r-- 1 mcc users 7.4K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 83K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K Apr 22 14:45 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Apr 22 14:45 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 19 07:18 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 19 18:24 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K May 14 13:22 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 156K May 14 13:22 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.0K Apr 11 16:04 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 79K Apr 11 16:04 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 19 07:12 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 19 15:26 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 5 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 391K May 18 16:42 model.pnml
--------------------
content from stdout:
=== Data for post analysis generated by BenchKit (invocation template)
The expected result is a vector of positive values
NUM_VECTOR
here is the order used to build the result vector(from text file)
FORMULA_NAME FunctionPointer-PT-b032-UpperBounds-00
FORMULA_NAME FunctionPointer-PT-b032-UpperBounds-01
FORMULA_NAME FunctionPointer-PT-b032-UpperBounds-02
FORMULA_NAME FunctionPointer-PT-b032-UpperBounds-03
FORMULA_NAME FunctionPointer-PT-b032-UpperBounds-04
FORMULA_NAME FunctionPointer-PT-b032-UpperBounds-05
FORMULA_NAME FunctionPointer-PT-b032-UpperBounds-06
FORMULA_NAME FunctionPointer-PT-b032-UpperBounds-07
FORMULA_NAME FunctionPointer-PT-b032-UpperBounds-08
FORMULA_NAME FunctionPointer-PT-b032-UpperBounds-09
FORMULA_NAME FunctionPointer-PT-b032-UpperBounds-10
FORMULA_NAME FunctionPointer-PT-b032-UpperBounds-11
FORMULA_NAME FunctionPointer-PT-b032-UpperBounds-12
FORMULA_NAME FunctionPointer-PT-b032-UpperBounds-13
FORMULA_NAME FunctionPointer-PT-b032-UpperBounds-14
FORMULA_NAME FunctionPointer-PT-b032-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1717189279118
Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FunctionPointer-PT-b032
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-05-31 21:01:20] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2024-05-31 21:01:20] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-31 21:01:20] [INFO ] Load time of PNML (sax parser for PT used): 103 ms
[2024-05-31 21:01:20] [INFO ] Transformed 306 places.
[2024-05-31 21:01:20] [INFO ] Transformed 840 transitions.
[2024-05-31 21:01:20] [INFO ] Parsed PT model containing 306 places and 840 transitions and 3392 arcs in 199 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 7 ms.
Deduced a syphon composed of 84 places in 11 ms
Reduce places removed 84 places and 192 transitions.
FORMULA FunctionPointer-PT-b032-UpperBounds-00 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-b032-UpperBounds-13 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-b032-UpperBounds-14 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:01:20] [INFO ] Flow matrix only has 414 transitions (discarded 234 similar events)
// Phase 1: matrix 414 rows 222 cols
[2024-05-31 21:01:20] [INFO ] Computed 4 invariants in 19 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, 32, 1, +inf, +inf, +inf, 32, 32, +inf, +inf]
RANDOM walk for 10003 steps (7 resets) in 37 ms. (263 steps per ms)
FORMULA FunctionPointer-PT-b032-UpperBounds-11 32 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FunctionPointer-PT-b032-UpperBounds-10 32 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FunctionPointer-PT-b032-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 100008 steps (55 resets) in 101 ms. (980 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 2, 3, 5, 31, 4, 30, 3, 6, 6] Max Struct:[+inf, +inf, +inf, +inf, 32, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:01:20] [INFO ] Flow matrix only has 414 transitions (discarded 234 similar events)
[2024-05-31 21:01:20] [INFO ] Invariant cache hit.
[2024-05-31 21:01:20] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-31 21:01:20] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 11 ms returned sat
[2024-05-31 21:01:21] [INFO ] [Real]Absence check using state equation in 107 ms returned sat
[2024-05-31 21:01:21] [INFO ] State equation strengthened by 65 read => feed constraints.
[2024-05-31 21:01:21] [INFO ] [Real]Added 65 Read/Feed constraints in 14 ms returned sat
[2024-05-31 21:01:21] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:01:21] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:01:21] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:01:21] [INFO ] [Nat]Absence check using state equation in 80 ms returned sat
[2024-05-31 21:01:21] [INFO ] [Nat]Added 65 Read/Feed constraints in 43 ms returned sat
[2024-05-31 21:01:21] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 85 ms.
[2024-05-31 21:01:21] [INFO ] Added : 1 causal constraints over 1 iterations in 181 ms. Result :sat
Minimization took 79 ms.
[2024-05-31 21:01:21] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-31 21:01:21] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:01:21] [INFO ] [Real]Absence check using state equation in 76 ms returned sat
[2024-05-31 21:01:21] [INFO ] [Real]Added 65 Read/Feed constraints in 11 ms returned sat
[2024-05-31 21:01:21] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:01:21] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:01:21] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:01:21] [INFO ] [Nat]Absence check using state equation in 79 ms returned sat
[2024-05-31 21:01:21] [INFO ] [Nat]Added 65 Read/Feed constraints in 8 ms returned sat
[2024-05-31 21:01:22] [INFO ] Deduced a trap composed of 26 places in 180 ms of which 78 ms to minimize.
[2024-05-31 21:01:22] [INFO ] Deduced a trap composed of 21 places in 121 ms of which 2 ms to minimize.
[2024-05-31 21:01:22] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 353 ms
[2024-05-31 21:01:22] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 63 ms.
[2024-05-31 21:01:22] [INFO ] Added : 2 causal constraints over 1 iterations in 107 ms. Result :sat
Minimization took 85 ms.
[2024-05-31 21:01:22] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:01:22] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:01:22] [INFO ] [Real]Absence check using state equation in 73 ms returned sat
[2024-05-31 21:01:22] [INFO ] [Real]Added 65 Read/Feed constraints in 10 ms returned sat
[2024-05-31 21:01:22] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:01:22] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:01:22] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:01:22] [INFO ] [Nat]Absence check using state equation in 73 ms returned sat
[2024-05-31 21:01:22] [INFO ] [Nat]Added 65 Read/Feed constraints in 8 ms returned sat
[2024-05-31 21:01:22] [INFO ] Deduced a trap composed of 27 places in 105 ms of which 2 ms to minimize.
[2024-05-31 21:01:22] [INFO ] Deduced a trap composed of 27 places in 94 ms of which 2 ms to minimize.
[2024-05-31 21:01:22] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 228 ms
[2024-05-31 21:01:23] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 48 ms.
[2024-05-31 21:01:23] [INFO ] Added : 2 causal constraints over 1 iterations in 108 ms. Result :sat
Minimization took 83 ms.
[2024-05-31 21:01:23] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:01:23] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:01:23] [INFO ] [Real]Absence check using state equation in 66 ms returned sat
[2024-05-31 21:01:23] [INFO ] [Real]Added 65 Read/Feed constraints in 11 ms returned sat
[2024-05-31 21:01:23] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:01:23] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:01:23] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:01:23] [INFO ] [Nat]Absence check using state equation in 68 ms returned sat
[2024-05-31 21:01:23] [INFO ] [Nat]Added 65 Read/Feed constraints in 11 ms returned sat
[2024-05-31 21:01:23] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 41 ms.
[2024-05-31 21:01:23] [INFO ] Added : 2 causal constraints over 1 iterations in 97 ms. Result :sat
Minimization took 75 ms.
[2024-05-31 21:01:23] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:01:23] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:01:23] [INFO ] [Real]Absence check using state equation in 79 ms returned sat
[2024-05-31 21:01:23] [INFO ] [Real]Added 65 Read/Feed constraints in 8 ms returned sat
[2024-05-31 21:01:23] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:01:23] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:01:23] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:01:23] [INFO ] [Nat]Absence check using state equation in 86 ms returned sat
[2024-05-31 21:01:23] [INFO ] [Nat]Added 65 Read/Feed constraints in 10 ms returned sat
[2024-05-31 21:01:24] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 42 ms.
[2024-05-31 21:01:24] [INFO ] Added : 0 causal constraints over 0 iterations in 73 ms. Result :sat
Minimization took 80 ms.
[2024-05-31 21:01:24] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:01:24] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:01:24] [INFO ] [Real]Absence check using state equation in 73 ms returned sat
[2024-05-31 21:01:24] [INFO ] [Real]Added 65 Read/Feed constraints in 8 ms returned sat
[2024-05-31 21:01:24] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:01:24] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:01:24] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:01:24] [INFO ] [Nat]Absence check using state equation in 75 ms returned sat
[2024-05-31 21:01:24] [INFO ] [Nat]Added 65 Read/Feed constraints in 16 ms returned sat
[2024-05-31 21:01:24] [INFO ] Deduced a trap composed of 22 places in 97 ms of which 2 ms to minimize.
[2024-05-31 21:01:24] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 118 ms
[2024-05-31 21:01:24] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 26 ms.
[2024-05-31 21:01:24] [INFO ] Added : 2 causal constraints over 1 iterations in 84 ms. Result :sat
Minimization took 94 ms.
[2024-05-31 21:01:24] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:01:24] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:01:24] [INFO ] [Real]Absence check using state equation in 79 ms returned sat
[2024-05-31 21:01:24] [INFO ] [Real]Added 65 Read/Feed constraints in 10 ms returned sat
[2024-05-31 21:01:24] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:01:24] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-31 21:01:24] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:01:25] [INFO ] [Nat]Absence check using state equation in 79 ms returned sat
[2024-05-31 21:01:25] [INFO ] [Nat]Added 65 Read/Feed constraints in 7 ms returned sat
[2024-05-31 21:01:25] [INFO ] Deduced a trap composed of 24 places in 98 ms of which 2 ms to minimize.
[2024-05-31 21:01:25] [INFO ] Deduced a trap composed of 21 places in 91 ms of which 1 ms to minimize.
[2024-05-31 21:01:25] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 223 ms
[2024-05-31 21:01:25] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 29 ms.
[2024-05-31 21:01:25] [INFO ] Added : 1 causal constraints over 1 iterations in 81 ms. Result :sat
Minimization took 82 ms.
[2024-05-31 21:01:25] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:01:25] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:01:25] [INFO ] [Real]Absence check using state equation in 78 ms returned sat
[2024-05-31 21:01:25] [INFO ] [Real]Added 65 Read/Feed constraints in 8 ms returned sat
[2024-05-31 21:01:25] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:01:25] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:01:25] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:01:25] [INFO ] [Nat]Absence check using state equation in 75 ms returned sat
[2024-05-31 21:01:25] [INFO ] [Nat]Added 65 Read/Feed constraints in 8 ms returned sat
[2024-05-31 21:01:25] [INFO ] Deduced a trap composed of 21 places in 92 ms of which 1 ms to minimize.
[2024-05-31 21:01:25] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 112 ms
[2024-05-31 21:01:25] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 25 ms.
[2024-05-31 21:01:25] [INFO ] Added : 2 causal constraints over 1 iterations in 69 ms. Result :sat
Minimization took 76 ms.
[2024-05-31 21:01:26] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-31 21:01:26] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:01:26] [INFO ] [Real]Absence check using state equation in 73 ms returned sat
[2024-05-31 21:01:26] [INFO ] [Real]Added 65 Read/Feed constraints in 8 ms returned sat
[2024-05-31 21:01:26] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:01:26] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:01:26] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:01:26] [INFO ] [Nat]Absence check using state equation in 75 ms returned sat
[2024-05-31 21:01:26] [INFO ] [Nat]Added 65 Read/Feed constraints in 9 ms returned sat
[2024-05-31 21:01:26] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 28 ms.
[2024-05-31 21:01:26] [INFO ] Added : 1 causal constraints over 1 iterations in 67 ms. Result :sat
Minimization took 74 ms.
[2024-05-31 21:01:26] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:01:26] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:01:26] [INFO ] [Real]Absence check using state equation in 74 ms returned sat
[2024-05-31 21:01:26] [INFO ] [Real]Added 65 Read/Feed constraints in 7 ms returned sat
[2024-05-31 21:01:26] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:01:26] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:01:26] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:01:26] [INFO ] [Nat]Absence check using state equation in 69 ms returned sat
[2024-05-31 21:01:26] [INFO ] [Nat]Added 65 Read/Feed constraints in 11 ms returned sat
[2024-05-31 21:01:26] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 26 ms.
[2024-05-31 21:01:26] [INFO ] Added : 1 causal constraints over 1 iterations in 66 ms. Result :sat
Minimization took 76 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2, 2, 3, 5, 31, 4, 30, 3, 6, 6] Max Struct:[+inf, +inf, +inf, +inf, 32, +inf, +inf, +inf, +inf, +inf]
FORMULA FunctionPointer-PT-b032-UpperBounds-05 32 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 2, 3, 5, 31, 30, 3, 6, 6] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 9 out of 222 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 222/222 places, 648/648 transitions.
Graph (complete) has 932 edges and 222 vertex of which 194 are kept as prefixes of interest. Removing 28 places using SCC suffix rule.3 ms
Discarding 28 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 38 transitions
Reduce isomorphic transitions removed 38 transitions.
Iterating post reduction 0 with 38 rules applied. Total rules applied 39 place count 194 transition count 610
Discarding 28 places :
Symmetric choice reduction at 1 with 28 rule applications. Total rules 67 place count 166 transition count 462
Iterating global reduction 1 with 28 rules applied. Total rules applied 95 place count 166 transition count 462
Ensure Unique test removed 40 transitions
Reduce isomorphic transitions removed 40 transitions.
Iterating post reduction 1 with 40 rules applied. Total rules applied 135 place count 166 transition count 422
Discarding 15 places :
Symmetric choice reduction at 2 with 15 rule applications. Total rules 150 place count 151 transition count 392
Iterating global reduction 2 with 15 rules applied. Total rules applied 165 place count 151 transition count 392
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 2 with 8 rules applied. Total rules applied 173 place count 151 transition count 384
Discarding 6 places :
Symmetric choice reduction at 3 with 6 rule applications. Total rules 179 place count 145 transition count 372
Iterating global reduction 3 with 6 rules applied. Total rules applied 185 place count 145 transition count 372
Discarding 6 places :
Symmetric choice reduction at 3 with 6 rule applications. Total rules 191 place count 139 transition count 348
Iterating global reduction 3 with 6 rules applied. Total rules applied 197 place count 139 transition count 348
Discarding 6 places :
Symmetric choice reduction at 3 with 6 rule applications. Total rules 203 place count 133 transition count 336
Iterating global reduction 3 with 6 rules applied. Total rules applied 209 place count 133 transition count 336
Discarding 6 places :
Symmetric choice reduction at 3 with 6 rule applications. Total rules 215 place count 127 transition count 312
Iterating global reduction 3 with 6 rules applied. Total rules applied 221 place count 127 transition count 312
Discarding 6 places :
Symmetric choice reduction at 3 with 6 rule applications. Total rules 227 place count 121 transition count 288
Iterating global reduction 3 with 6 rules applied. Total rules applied 233 place count 121 transition count 288
Discarding 6 places :
Symmetric choice reduction at 3 with 6 rule applications. Total rules 239 place count 115 transition count 276
Iterating global reduction 3 with 6 rules applied. Total rules applied 245 place count 115 transition count 276
Discarding 6 places :
Symmetric choice reduction at 3 with 6 rule applications. Total rules 251 place count 109 transition count 264
Iterating global reduction 3 with 6 rules applied. Total rules applied 257 place count 109 transition count 264
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 262 place count 104 transition count 254
Iterating global reduction 3 with 5 rules applied. Total rules applied 267 place count 104 transition count 254
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 272 place count 99 transition count 244
Iterating global reduction 3 with 5 rules applied. Total rules applied 277 place count 99 transition count 244
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 279 place count 97 transition count 240
Iterating global reduction 3 with 2 rules applied. Total rules applied 281 place count 97 transition count 240
Drop transitions (Redundant composition of simpler transitions.) removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 3 with 4 rules applied. Total rules applied 285 place count 97 transition count 236
Applied a total of 285 rules in 116 ms. Remains 97 /222 variables (removed 125) and now considering 236/648 (removed 412) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 125 ms. Remains : 97/222 places, 236/648 transitions.
[2024-05-31 21:01:27] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
Found an invariant !
This invariant on transitions {24=1, 33=1, 76=1, 88=1, 111=1, 140=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {28=1, 71=1, 122=1, 152=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 72 ms. (steps per millisecond=138 ) properties (out of 9) seen :[9, 4, 1, 4, 7, 10, 3, 16, 23]
Current structural bounds on expressions (after cover walk) : Max Seen:[9, 4, 3, 5, 31, 30, 3, 16, 23] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:01:27] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
// Phase 1: matrix 157 rows 97 cols
[2024-05-31 21:01:27] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[9, 4, 3, 5, 31, 30, 3, 16, 23] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000001 steps (2 resets) in 1359 ms. (735 steps per ms)
BEST_FIRST walk for 9000008 steps (18 resets) in 6832 ms. (1317 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[736, 82, 10, 208, 31, 227, 91, 770, 723] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:01:35] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-31 21:01:35] [INFO ] Invariant cache hit.
[2024-05-31 21:01:35] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:01:35] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:01:35] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-31 21:01:35] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:01:35] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:01:35] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:01:35] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:01:35] [INFO ] [Nat]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:01:35] [INFO ] Deduced a trap composed of 28 places in 54 ms of which 1 ms to minimize.
[2024-05-31 21:01:35] [INFO ] Deduced a trap composed of 27 places in 46 ms of which 1 ms to minimize.
[2024-05-31 21:01:35] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 119 ms
[2024-05-31 21:01:35] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 9 ms.
[2024-05-31 21:01:35] [INFO ] Added : 1 causal constraints over 1 iterations in 37 ms. Result :sat
Minimization took 27 ms.
[2024-05-31 21:01:35] [INFO ] [Real]Absence check using 3 positive place invariants in 8 ms returned sat
[2024-05-31 21:01:35] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:01:35] [INFO ] [Real]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:01:35] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:01:35] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:01:35] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:01:35] [INFO ] [Nat]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:01:36] [INFO ] Deduced a trap composed of 32 places in 52 ms of which 1 ms to minimize.
[2024-05-31 21:01:36] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 65 ms
[2024-05-31 21:01:36] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 12 ms.
[2024-05-31 21:01:36] [INFO ] Added : 8 causal constraints over 3 iterations in 50 ms. Result :sat
Minimization took 27 ms.
[2024-05-31 21:01:36] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:01:36] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:01:36] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:01:36] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:01:36] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:01:36] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:01:36] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:01:36] [INFO ] Deduced a trap composed of 26 places in 55 ms of which 1 ms to minimize.
[2024-05-31 21:01:36] [INFO ] Deduced a trap composed of 25 places in 47 ms of which 1 ms to minimize.
[2024-05-31 21:01:36] [INFO ] Deduced a trap composed of 22 places in 44 ms of which 1 ms to minimize.
[2024-05-31 21:01:36] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 177 ms
[2024-05-31 21:01:36] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 10 ms.
[2024-05-31 21:01:36] [INFO ] Added : 2 causal constraints over 1 iterations in 28 ms. Result :sat
Minimization took 32 ms.
[2024-05-31 21:01:36] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:01:36] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:01:36] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:01:36] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:01:36] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:01:36] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2024-05-31 21:01:36] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:01:36] [INFO ] Deduced a trap composed of 32 places in 50 ms of which 1 ms to minimize.
[2024-05-31 21:01:36] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 59 ms
[2024-05-31 21:01:36] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 9 ms.
[2024-05-31 21:01:36] [INFO ] Added : 8 causal constraints over 3 iterations in 42 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 21:01:36] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:01:36] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:01:36] [INFO ] [Real]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:01:36] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:01:36] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:01:36] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:01:36] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:01:37] [INFO ] Deduced a trap composed of 34 places in 57 ms of which 1 ms to minimize.
[2024-05-31 21:01:37] [INFO ] Deduced a trap composed of 27 places in 53 ms of which 1 ms to minimize.
[2024-05-31 21:01:37] [INFO ] Deduced a trap composed of 22 places in 52 ms of which 3 ms to minimize.
[2024-05-31 21:01:37] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 186 ms
[2024-05-31 21:01:37] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 9 ms.
[2024-05-31 21:01:37] [INFO ] Added : 2 causal constraints over 1 iterations in 32 ms. Result :sat
Minimization took 31 ms.
[2024-05-31 21:01:37] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:01:37] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:01:37] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:01:37] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:01:37] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:01:37] [INFO ] [Nat]Absence check using state equation in 36 ms returned sat
[2024-05-31 21:01:37] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:01:37] [INFO ] Deduced a trap composed of 32 places in 56 ms of which 1 ms to minimize.
[2024-05-31 21:01:37] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 66 ms
[2024-05-31 21:01:37] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 9 ms.
[2024-05-31 21:01:37] [INFO ] Added : 1 causal constraints over 1 iterations in 25 ms. Result :sat
Minimization took 27 ms.
[2024-05-31 21:01:37] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:01:37] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:01:37] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:01:37] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:01:37] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:01:37] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:01:37] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:01:37] [INFO ] Deduced a trap composed of 34 places in 49 ms of which 0 ms to minimize.
[2024-05-31 21:01:37] [INFO ] Deduced a trap composed of 24 places in 40 ms of which 0 ms to minimize.
[2024-05-31 21:01:37] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 108 ms
[2024-05-31 21:01:37] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 14 ms.
[2024-05-31 21:01:37] [INFO ] Added : 7 causal constraints over 3 iterations in 46 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 21:01:37] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:01:37] [INFO ] [Real]Absence check using state equation in 38 ms returned sat
[2024-05-31 21:01:37] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:01:37] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:01:37] [INFO ] [Nat]Absence check using 3 positive place invariants in 8 ms returned sat
[2024-05-31 21:01:37] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:01:37] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:01:38] [INFO ] Deduced a trap composed of 22 places in 50 ms of which 1 ms to minimize.
[2024-05-31 21:01:38] [INFO ] Deduced a trap composed of 22 places in 46 ms of which 1 ms to minimize.
[2024-05-31 21:01:38] [INFO ] Deduced a trap composed of 19 places in 41 ms of which 0 ms to minimize.
[2024-05-31 21:01:38] [INFO ] Deduced a trap composed of 22 places in 51 ms of which 1 ms to minimize.
[2024-05-31 21:01:38] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 213 ms
[2024-05-31 21:01:38] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 9 ms.
[2024-05-31 21:01:38] [INFO ] Added : 1 causal constraints over 1 iterations in 25 ms. Result :sat
Minimization took 27 ms.
[2024-05-31 21:01:38] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:01:38] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:01:38] [INFO ] [Real]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:01:38] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:01:38] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:01:38] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:01:38] [INFO ] [Nat]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:01:38] [INFO ] Deduced a trap composed of 28 places in 50 ms of which 1 ms to minimize.
[2024-05-31 21:01:38] [INFO ] Deduced a trap composed of 27 places in 44 ms of which 1 ms to minimize.
[2024-05-31 21:01:38] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 111 ms
[2024-05-31 21:01:38] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 12 ms.
[2024-05-31 21:01:38] [INFO ] Added : 1 causal constraints over 1 iterations in 29 ms. Result :sat
Minimization took 27 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[736, 82, 10, 208, 31, 227, 91, 770, 723] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[736, 82, 10, 208, 32, 227, 91, 770, 723] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 9 out of 97 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 97/97 places, 236/236 transitions.
Applied a total of 0 rules in 8 ms. Remains 97 /97 variables (removed 0) and now considering 236/236 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 97/97 places, 236/236 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 97/97 places, 236/236 transitions.
Applied a total of 0 rules in 7 ms. Remains 97 /97 variables (removed 0) and now considering 236/236 (removed 0) transitions.
[2024-05-31 21:01:38] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-31 21:01:38] [INFO ] Invariant cache hit.
[2024-05-31 21:01:38] [INFO ] Implicit Places using invariants in 77 ms returned []
[2024-05-31 21:01:38] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-31 21:01:38] [INFO ] Invariant cache hit.
[2024-05-31 21:01:38] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-31 21:01:38] [INFO ] Implicit Places using invariants and state equation in 137 ms returned []
Implicit Place search using SMT with State Equation took 220 ms to find 0 implicit places.
[2024-05-31 21:01:38] [INFO ] Redundant transitions in 9 ms returned []
Running 234 sub problems to find dead transitions.
[2024-05-31 21:01:38] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-31 21:01:38] [INFO ] Invariant cache hit.
[2024-05-31 21:01:38] [INFO ] State equation strengthened by 32 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/97 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/97 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (OVERLAPS) 157/254 variables, 97/100 constraints. Problems are: Problem set: 0 solved, 234 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/254 variables, 32/132 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/254 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (OVERLAPS) 0/254 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 234 unsolved
No progress, stopping.
After SMT solving in domain Real declared 254/254 variables, and 132 constraints, problems are : Problem set: 0 solved, 234 unsolved in 4341 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 97/97 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 234 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/97 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/97 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (OVERLAPS) 157/254 variables, 97/100 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/254 variables, 32/132 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/254 variables, 234/366 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/254 variables, 0/366 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 6 (OVERLAPS) 0/254 variables, 0/366 constraints. Problems are: Problem set: 0 solved, 234 unsolved
No progress, stopping.
After SMT solving in domain Int declared 254/254 variables, and 366 constraints, problems are : Problem set: 0 solved, 234 unsolved in 7379 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 97/97 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints]
After SMT, in 11990ms problems are : Problem set: 0 solved, 234 unsolved
Search for dead transitions found 0 dead transitions in 12001ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12252 ms. Remains : 97/97 places, 236/236 transitions.
[2024-05-31 21:01:50] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
Found an invariant !
This invariant on transitions {24=1, 33=1, 76=1, 88=1, 111=1, 140=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {28=1, 71=1, 122=1, 152=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 128 ms. (steps per millisecond=78 ) properties (out of 9) seen :[15, 6, 3, 6, 8, 7, 4, 10, 18]
Current structural bounds on expressions (after cover walk) : Max Seen:[736, 82, 10, 208, 32, 227, 91, 770, 723] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:01:51] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-31 21:01:51] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[736, 82, 10, 208, 32, 227, 91, 770, 723] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1175 ms. (850 steps per ms)
BEST_FIRST walk for 9000009 steps (18 resets) in 6509 ms. (1382 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[748, 93, 10, 208, 33, 227, 91, 770, 777] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:01:58] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-31 21:01:58] [INFO ] Invariant cache hit.
[2024-05-31 21:01:58] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:01:58] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:01:58] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-31 21:01:58] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:01:58] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:01:58] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:01:58] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:01:58] [INFO ] [Nat]Added 32 Read/Feed constraints in 9 ms returned sat
[2024-05-31 21:01:58] [INFO ] Deduced a trap composed of 28 places in 49 ms of which 1 ms to minimize.
[2024-05-31 21:01:59] [INFO ] Deduced a trap composed of 27 places in 44 ms of which 1 ms to minimize.
[2024-05-31 21:01:59] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 111 ms
[2024-05-31 21:01:59] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 11 ms.
[2024-05-31 21:01:59] [INFO ] Added : 1 causal constraints over 1 iterations in 26 ms. Result :sat
Minimization took 25 ms.
[2024-05-31 21:01:59] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:01:59] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:01:59] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:01:59] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:01:59] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:01:59] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:01:59] [INFO ] [Nat]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:01:59] [INFO ] Deduced a trap composed of 32 places in 52 ms of which 0 ms to minimize.
[2024-05-31 21:01:59] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 67 ms
[2024-05-31 21:01:59] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 11 ms.
[2024-05-31 21:01:59] [INFO ] Added : 8 causal constraints over 3 iterations in 43 ms. Result :sat
Minimization took 29 ms.
[2024-05-31 21:01:59] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:01:59] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:01:59] [INFO ] [Real]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:01:59] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:01:59] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:01:59] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:01:59] [INFO ] [Nat]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:01:59] [INFO ] Deduced a trap composed of 26 places in 56 ms of which 1 ms to minimize.
[2024-05-31 21:01:59] [INFO ] Deduced a trap composed of 25 places in 54 ms of which 1 ms to minimize.
[2024-05-31 21:01:59] [INFO ] Deduced a trap composed of 22 places in 48 ms of which 1 ms to minimize.
[2024-05-31 21:01:59] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 190 ms
[2024-05-31 21:01:59] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 11 ms.
[2024-05-31 21:01:59] [INFO ] Added : 2 causal constraints over 1 iterations in 27 ms. Result :sat
Minimization took 29 ms.
[2024-05-31 21:01:59] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:01:59] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:01:59] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:01:59] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:01:59] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:01:59] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:01:59] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:01:59] [INFO ] Deduced a trap composed of 32 places in 54 ms of which 1 ms to minimize.
[2024-05-31 21:01:59] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 64 ms
[2024-05-31 21:02:00] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 9 ms.
[2024-05-31 21:02:00] [INFO ] Added : 8 causal constraints over 3 iterations in 44 ms. Result :sat
Minimization took 27 ms.
[2024-05-31 21:02:00] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:02:00] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:02:00] [INFO ] [Real]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:02:00] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:02:00] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:02:00] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:02:00] [INFO ] [Nat]Added 32 Read/Feed constraints in 7 ms returned sat
[2024-05-31 21:02:00] [INFO ] Deduced a trap composed of 34 places in 49 ms of which 1 ms to minimize.
[2024-05-31 21:02:00] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 62 ms
[2024-05-31 21:02:00] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 9 ms.
[2024-05-31 21:02:00] [INFO ] Added : 2 causal constraints over 1 iterations in 32 ms. Result :sat
Minimization took 27 ms.
[2024-05-31 21:02:00] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:02:00] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:02:00] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:02:00] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:02:00] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:02:00] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:02:00] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:02:00] [INFO ] Deduced a trap composed of 32 places in 52 ms of which 1 ms to minimize.
[2024-05-31 21:02:00] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 63 ms
[2024-05-31 21:02:00] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 10 ms.
[2024-05-31 21:02:00] [INFO ] Added : 1 causal constraints over 1 iterations in 26 ms. Result :sat
Minimization took 25 ms.
[2024-05-31 21:02:00] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:02:00] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:02:00] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:02:00] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:02:00] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:02:00] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:02:00] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:02:00] [INFO ] Deduced a trap composed of 34 places in 54 ms of which 1 ms to minimize.
[2024-05-31 21:02:00] [INFO ] Deduced a trap composed of 24 places in 47 ms of which 1 ms to minimize.
[2024-05-31 21:02:00] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 117 ms
[2024-05-31 21:02:00] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 12 ms.
[2024-05-31 21:02:00] [INFO ] Added : 7 causal constraints over 3 iterations in 40 ms. Result :sat
Minimization took 25 ms.
[2024-05-31 21:02:00] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:02:00] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:02:00] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:02:00] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:02:01] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:02:01] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:02:01] [INFO ] [Nat]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:02:01] [INFO ] Deduced a trap composed of 22 places in 53 ms of which 1 ms to minimize.
[2024-05-31 21:02:01] [INFO ] Deduced a trap composed of 22 places in 46 ms of which 1 ms to minimize.
[2024-05-31 21:02:01] [INFO ] Deduced a trap composed of 19 places in 45 ms of which 1 ms to minimize.
[2024-05-31 21:02:01] [INFO ] Deduced a trap composed of 22 places in 47 ms of which 0 ms to minimize.
[2024-05-31 21:02:01] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 216 ms
[2024-05-31 21:02:01] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 9 ms.
[2024-05-31 21:02:01] [INFO ] Added : 1 causal constraints over 1 iterations in 24 ms. Result :sat
Minimization took 27 ms.
[2024-05-31 21:02:01] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:02:01] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:02:01] [INFO ] [Real]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:02:01] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:02:01] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:02:01] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:02:01] [INFO ] [Nat]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:02:01] [INFO ] Deduced a trap composed of 28 places in 42 ms of which 1 ms to minimize.
[2024-05-31 21:02:01] [INFO ] Deduced a trap composed of 27 places in 50 ms of which 1 ms to minimize.
[2024-05-31 21:02:01] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 114 ms
[2024-05-31 21:02:01] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 10 ms.
[2024-05-31 21:02:01] [INFO ] Added : 1 causal constraints over 1 iterations in 30 ms. Result :sat
Minimization took 27 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[748, 93, 10, 208, 33, 227, 91, 770, 777] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[748, 93, 24, 208, 33, 227, 91, 770, 777] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 9 out of 97 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 97/97 places, 236/236 transitions.
Applied a total of 0 rules in 19 ms. Remains 97 /97 variables (removed 0) and now considering 236/236 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 97/97 places, 236/236 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 97/97 places, 236/236 transitions.
Applied a total of 0 rules in 8 ms. Remains 97 /97 variables (removed 0) and now considering 236/236 (removed 0) transitions.
[2024-05-31 21:02:01] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-31 21:02:01] [INFO ] Invariant cache hit.
[2024-05-31 21:02:01] [INFO ] Implicit Places using invariants in 69 ms returned []
[2024-05-31 21:02:01] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-31 21:02:01] [INFO ] Invariant cache hit.
[2024-05-31 21:02:01] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-31 21:02:01] [INFO ] Implicit Places using invariants and state equation in 129 ms returned []
Implicit Place search using SMT with State Equation took 204 ms to find 0 implicit places.
[2024-05-31 21:02:01] [INFO ] Redundant transitions in 14 ms returned []
Running 234 sub problems to find dead transitions.
[2024-05-31 21:02:01] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-31 21:02:01] [INFO ] Invariant cache hit.
[2024-05-31 21:02:01] [INFO ] State equation strengthened by 32 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/97 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/97 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (OVERLAPS) 157/254 variables, 97/100 constraints. Problems are: Problem set: 0 solved, 234 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/254 variables, 32/132 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/254 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (OVERLAPS) 0/254 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 234 unsolved
No progress, stopping.
After SMT solving in domain Real declared 254/254 variables, and 132 constraints, problems are : Problem set: 0 solved, 234 unsolved in 4033 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 97/97 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 234 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/97 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/97 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (OVERLAPS) 157/254 variables, 97/100 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/254 variables, 32/132 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/254 variables, 234/366 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/254 variables, 0/366 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 6 (OVERLAPS) 0/254 variables, 0/366 constraints. Problems are: Problem set: 0 solved, 234 unsolved
No progress, stopping.
After SMT solving in domain Int declared 254/254 variables, and 366 constraints, problems are : Problem set: 0 solved, 234 unsolved in 7158 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 97/97 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints]
After SMT, in 11378ms problems are : Problem set: 0 solved, 234 unsolved
Search for dead transitions found 0 dead transitions in 11381ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11622 ms. Remains : 97/97 places, 236/236 transitions.
[2024-05-31 21:02:13] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
Found an invariant !
This invariant on transitions {24=1, 33=1, 76=1, 88=1, 111=1, 140=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {28=1, 71=1, 122=1, 152=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 45 ms. (steps per millisecond=222 ) properties (out of 9) seen :[7, 2, 4, 8, 5, 8, 3, 7, 17]
Current structural bounds on expressions (after cover walk) : Max Seen:[748, 93, 24, 208, 33, 227, 91, 770, 777] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:02:13] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-31 21:02:13] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[748, 93, 24, 208, 33, 227, 91, 770, 777] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1153 ms. (866 steps per ms)
BEST_FIRST walk for 9000009 steps (18 resets) in 6667 ms. (1349 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[748, 93, 24, 208, 33, 227, 96, 770, 777] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:02:21] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-31 21:02:21] [INFO ] Invariant cache hit.
[2024-05-31 21:02:21] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:02:21] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:02:21] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-31 21:02:21] [INFO ] [Real]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:02:21] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:02:21] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-31 21:02:21] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:02:21] [INFO ] [Nat]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:02:21] [INFO ] Deduced a trap composed of 28 places in 53 ms of which 1 ms to minimize.
[2024-05-31 21:02:21] [INFO ] Deduced a trap composed of 27 places in 50 ms of which 3 ms to minimize.
[2024-05-31 21:02:21] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 116 ms
[2024-05-31 21:02:21] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 9 ms.
[2024-05-31 21:02:21] [INFO ] Added : 1 causal constraints over 1 iterations in 25 ms. Result :sat
Minimization took 25 ms.
[2024-05-31 21:02:21] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:02:21] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:02:21] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:02:21] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:02:21] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:02:21] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:02:21] [INFO ] [Nat]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:02:21] [INFO ] Deduced a trap composed of 32 places in 52 ms of which 1 ms to minimize.
[2024-05-31 21:02:21] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 64 ms
[2024-05-31 21:02:21] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 11 ms.
[2024-05-31 21:02:21] [INFO ] Added : 8 causal constraints over 3 iterations in 52 ms. Result :sat
Minimization took 27 ms.
[2024-05-31 21:02:21] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:02:21] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:02:21] [INFO ] [Real]Added 32 Read/Feed constraints in 7 ms returned sat
[2024-05-31 21:02:21] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:02:21] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:02:22] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:02:22] [INFO ] [Nat]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:02:22] [INFO ] Deduced a trap composed of 26 places in 53 ms of which 1 ms to minimize.
[2024-05-31 21:02:22] [INFO ] Deduced a trap composed of 25 places in 46 ms of which 1 ms to minimize.
[2024-05-31 21:02:22] [INFO ] Deduced a trap composed of 22 places in 45 ms of which 1 ms to minimize.
[2024-05-31 21:02:22] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 166 ms
[2024-05-31 21:02:22] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 9 ms.
[2024-05-31 21:02:22] [INFO ] Added : 2 causal constraints over 1 iterations in 25 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 21:02:22] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:02:22] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:02:22] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:02:22] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:02:22] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:02:22] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:02:22] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:02:22] [INFO ] Deduced a trap composed of 32 places in 56 ms of which 1 ms to minimize.
[2024-05-31 21:02:22] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 64 ms
[2024-05-31 21:02:22] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 9 ms.
[2024-05-31 21:02:22] [INFO ] Added : 8 causal constraints over 3 iterations in 38 ms. Result :sat
Minimization took 27 ms.
[2024-05-31 21:02:22] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:02:22] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:02:22] [INFO ] [Real]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:02:22] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:02:22] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:02:22] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:02:22] [INFO ] [Nat]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:02:22] [INFO ] Deduced a trap composed of 34 places in 52 ms of which 1 ms to minimize.
[2024-05-31 21:02:22] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 64 ms
[2024-05-31 21:02:22] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 10 ms.
[2024-05-31 21:02:22] [INFO ] Added : 2 causal constraints over 1 iterations in 26 ms. Result :sat
Minimization took 27 ms.
[2024-05-31 21:02:22] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:02:22] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:02:22] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:02:22] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:02:22] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:02:22] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:02:22] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:02:22] [INFO ] Deduced a trap composed of 32 places in 52 ms of which 0 ms to minimize.
[2024-05-31 21:02:22] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 67 ms
[2024-05-31 21:02:22] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 11 ms.
[2024-05-31 21:02:23] [INFO ] Added : 1 causal constraints over 1 iterations in 27 ms. Result :sat
Minimization took 26 ms.
[2024-05-31 21:02:23] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:02:23] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:02:23] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:02:23] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:02:23] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:02:23] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:02:23] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:02:23] [INFO ] Deduced a trap composed of 34 places in 51 ms of which 1 ms to minimize.
[2024-05-31 21:02:23] [INFO ] Deduced a trap composed of 24 places in 47 ms of which 0 ms to minimize.
[2024-05-31 21:02:23] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 123 ms
[2024-05-31 21:02:23] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 12 ms.
[2024-05-31 21:02:23] [INFO ] Added : 7 causal constraints over 3 iterations in 42 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 21:02:23] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:02:23] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:02:23] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:02:23] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:02:23] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:02:23] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:02:23] [INFO ] [Nat]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:02:23] [INFO ] Deduced a trap composed of 22 places in 51 ms of which 1 ms to minimize.
[2024-05-31 21:02:23] [INFO ] Deduced a trap composed of 22 places in 48 ms of which 2 ms to minimize.
[2024-05-31 21:02:23] [INFO ] Deduced a trap composed of 19 places in 44 ms of which 1 ms to minimize.
[2024-05-31 21:02:23] [INFO ] Deduced a trap composed of 22 places in 47 ms of which 1 ms to minimize.
[2024-05-31 21:02:23] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 215 ms
[2024-05-31 21:02:23] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 10 ms.
[2024-05-31 21:02:23] [INFO ] Added : 1 causal constraints over 1 iterations in 29 ms. Result :sat
Minimization took 27 ms.
[2024-05-31 21:02:23] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:02:23] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:02:23] [INFO ] [Real]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:02:23] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:02:23] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:02:23] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:02:23] [INFO ] [Nat]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:02:24] [INFO ] Deduced a trap composed of 28 places in 50 ms of which 1 ms to minimize.
[2024-05-31 21:02:24] [INFO ] Deduced a trap composed of 27 places in 46 ms of which 1 ms to minimize.
[2024-05-31 21:02:24] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 109 ms
[2024-05-31 21:02:24] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 8 ms.
[2024-05-31 21:02:24] [INFO ] Added : 1 causal constraints over 1 iterations in 28 ms. Result :sat
Minimization took 31 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[748, 93, 24, 208, 33, 227, 96, 770, 777] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[748, 93, 24, 208, 33, 227, 96, 770, 777] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 9 out of 97 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 97/97 places, 236/236 transitions.
Applied a total of 0 rules in 7 ms. Remains 97 /97 variables (removed 0) and now considering 236/236 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 97/97 places, 236/236 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 97/97 places, 236/236 transitions.
Applied a total of 0 rules in 6 ms. Remains 97 /97 variables (removed 0) and now considering 236/236 (removed 0) transitions.
[2024-05-31 21:02:24] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-31 21:02:24] [INFO ] Invariant cache hit.
[2024-05-31 21:02:24] [INFO ] Implicit Places using invariants in 67 ms returned []
[2024-05-31 21:02:24] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-31 21:02:24] [INFO ] Invariant cache hit.
[2024-05-31 21:02:24] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-31 21:02:24] [INFO ] Implicit Places using invariants and state equation in 134 ms returned []
Implicit Place search using SMT with State Equation took 202 ms to find 0 implicit places.
[2024-05-31 21:02:24] [INFO ] Redundant transitions in 3 ms returned []
Running 234 sub problems to find dead transitions.
[2024-05-31 21:02:24] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-31 21:02:24] [INFO ] Invariant cache hit.
[2024-05-31 21:02:24] [INFO ] State equation strengthened by 32 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/97 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/97 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (OVERLAPS) 157/254 variables, 97/100 constraints. Problems are: Problem set: 0 solved, 234 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/254 variables, 32/132 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/254 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (OVERLAPS) 0/254 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 234 unsolved
No progress, stopping.
After SMT solving in domain Real declared 254/254 variables, and 132 constraints, problems are : Problem set: 0 solved, 234 unsolved in 4004 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 97/97 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 234 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/97 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/97 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (OVERLAPS) 157/254 variables, 97/100 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/254 variables, 32/132 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/254 variables, 234/366 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/254 variables, 0/366 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 6 (OVERLAPS) 0/254 variables, 0/366 constraints. Problems are: Problem set: 0 solved, 234 unsolved
No progress, stopping.
After SMT solving in domain Int declared 254/254 variables, and 366 constraints, problems are : Problem set: 0 solved, 234 unsolved in 7158 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 97/97 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints]
After SMT, in 11343ms problems are : Problem set: 0 solved, 234 unsolved
Search for dead transitions found 0 dead transitions in 11348ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11563 ms. Remains : 97/97 places, 236/236 transitions.
[2024-05-31 21:02:35] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
Found an invariant !
This invariant on transitions {24=1, 33=1, 76=1, 88=1, 111=1, 140=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {28=1, 71=1, 122=1, 152=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 9) seen :[5, 3, 6, 6, 5, 5, 4, 17, 7]
Current structural bounds on expressions (after cover walk) : Max Seen:[748, 93, 24, 208, 33, 227, 96, 770, 777] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:02:35] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-31 21:02:35] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[748, 93, 24, 208, 33, 227, 96, 770, 777] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000007 steps (2 resets) in 972 ms. (1027 steps per ms)
BEST_FIRST walk for 9000009 steps (18 resets) in 6650 ms. (1353 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[748, 93, 24, 208, 33, 227, 96, 799, 777] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:02:43] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-31 21:02:43] [INFO ] Invariant cache hit.
[2024-05-31 21:02:43] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:02:43] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:02:43] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-31 21:02:43] [INFO ] [Real]Added 32 Read/Feed constraints in 7 ms returned sat
[2024-05-31 21:02:43] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:02:43] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:02:43] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:02:43] [INFO ] [Nat]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:02:43] [INFO ] Deduced a trap composed of 28 places in 52 ms of which 1 ms to minimize.
[2024-05-31 21:02:43] [INFO ] Deduced a trap composed of 27 places in 57 ms of which 1 ms to minimize.
[2024-05-31 21:02:43] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 122 ms
[2024-05-31 21:02:43] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 8 ms.
[2024-05-31 21:02:43] [INFO ] Added : 1 causal constraints over 1 iterations in 22 ms. Result :sat
Minimization took 24 ms.
[2024-05-31 21:02:43] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:02:43] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:02:43] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:02:43] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:02:43] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:02:43] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:02:43] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:02:43] [INFO ] Deduced a trap composed of 32 places in 52 ms of which 1 ms to minimize.
[2024-05-31 21:02:43] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 62 ms
[2024-05-31 21:02:44] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 10 ms.
[2024-05-31 21:02:44] [INFO ] Added : 8 causal constraints over 3 iterations in 41 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 21:02:44] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:02:44] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:02:44] [INFO ] [Real]Added 32 Read/Feed constraints in 12 ms returned sat
[2024-05-31 21:02:44] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:02:44] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:02:44] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:02:44] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:02:44] [INFO ] Deduced a trap composed of 26 places in 51 ms of which 1 ms to minimize.
[2024-05-31 21:02:44] [INFO ] Deduced a trap composed of 25 places in 48 ms of which 1 ms to minimize.
[2024-05-31 21:02:44] [INFO ] Deduced a trap composed of 22 places in 48 ms of which 1 ms to minimize.
[2024-05-31 21:02:44] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 168 ms
[2024-05-31 21:02:44] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 11 ms.
[2024-05-31 21:02:44] [INFO ] Added : 2 causal constraints over 1 iterations in 27 ms. Result :sat
Minimization took 31 ms.
[2024-05-31 21:02:44] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:02:44] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:02:44] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:02:44] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:02:44] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:02:44] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:02:44] [INFO ] [Nat]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:02:44] [INFO ] Deduced a trap composed of 32 places in 50 ms of which 1 ms to minimize.
[2024-05-31 21:02:44] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 58 ms
[2024-05-31 21:02:44] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 14 ms.
[2024-05-31 21:02:44] [INFO ] Added : 8 causal constraints over 3 iterations in 46 ms. Result :sat
Minimization took 31 ms.
[2024-05-31 21:02:44] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:02:44] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2024-05-31 21:02:44] [INFO ] [Real]Added 32 Read/Feed constraints in 7 ms returned sat
[2024-05-31 21:02:44] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:02:44] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:02:44] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:02:44] [INFO ] [Nat]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:02:44] [INFO ] Deduced a trap composed of 34 places in 52 ms of which 1 ms to minimize.
[2024-05-31 21:02:44] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 60 ms
[2024-05-31 21:02:44] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 9 ms.
[2024-05-31 21:02:44] [INFO ] Added : 2 causal constraints over 1 iterations in 25 ms. Result :sat
Minimization took 26 ms.
[2024-05-31 21:02:45] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:02:45] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:02:45] [INFO ] [Real]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:02:45] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:02:45] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:02:45] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:02:45] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:02:45] [INFO ] Deduced a trap composed of 32 places in 51 ms of which 1 ms to minimize.
[2024-05-31 21:02:45] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 60 ms
[2024-05-31 21:02:45] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 9 ms.
[2024-05-31 21:02:45] [INFO ] Added : 1 causal constraints over 1 iterations in 24 ms. Result :sat
Minimization took 25 ms.
[2024-05-31 21:02:45] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:02:45] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2024-05-31 21:02:45] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:02:45] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:02:45] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:02:45] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:02:45] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:02:45] [INFO ] Deduced a trap composed of 34 places in 51 ms of which 1 ms to minimize.
[2024-05-31 21:02:45] [INFO ] Deduced a trap composed of 24 places in 50 ms of which 0 ms to minimize.
[2024-05-31 21:02:45] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 117 ms
[2024-05-31 21:02:45] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 8 ms.
[2024-05-31 21:02:45] [INFO ] Added : 7 causal constraints over 3 iterations in 36 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 21:02:45] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:02:45] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:02:45] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:02:45] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:02:45] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:02:45] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:02:45] [INFO ] [Nat]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:02:45] [INFO ] Deduced a trap composed of 22 places in 47 ms of which 1 ms to minimize.
[2024-05-31 21:02:45] [INFO ] Deduced a trap composed of 22 places in 45 ms of which 0 ms to minimize.
[2024-05-31 21:02:45] [INFO ] Deduced a trap composed of 19 places in 49 ms of which 0 ms to minimize.
[2024-05-31 21:02:45] [INFO ] Deduced a trap composed of 22 places in 42 ms of which 1 ms to minimize.
[2024-05-31 21:02:45] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 215 ms
[2024-05-31 21:02:45] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 11 ms.
[2024-05-31 21:02:46] [INFO ] Added : 1 causal constraints over 1 iterations in 28 ms. Result :sat
Minimization took 27 ms.
[2024-05-31 21:02:46] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:02:46] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:02:46] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:02:46] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:02:46] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:02:46] [INFO ] [Nat]Absence check using state equation in 37 ms returned sat
[2024-05-31 21:02:46] [INFO ] [Nat]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:02:46] [INFO ] Deduced a trap composed of 28 places in 49 ms of which 1 ms to minimize.
[2024-05-31 21:02:46] [INFO ] Deduced a trap composed of 27 places in 44 ms of which 0 ms to minimize.
[2024-05-31 21:02:46] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 110 ms
[2024-05-31 21:02:46] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 10 ms.
[2024-05-31 21:02:46] [INFO ] Added : 1 causal constraints over 1 iterations in 25 ms. Result :sat
Minimization took 26 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[748, 93, 24, 208, 33, 227, 96, 799, 777] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[748, 93, 24, 208, 33, 227, 96, 799, 777] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 9 out of 97 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 97/97 places, 236/236 transitions.
Applied a total of 0 rules in 8 ms. Remains 97 /97 variables (removed 0) and now considering 236/236 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 97/97 places, 236/236 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 97/97 places, 236/236 transitions.
Applied a total of 0 rules in 6 ms. Remains 97 /97 variables (removed 0) and now considering 236/236 (removed 0) transitions.
[2024-05-31 21:02:46] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-31 21:02:46] [INFO ] Invariant cache hit.
[2024-05-31 21:02:46] [INFO ] Implicit Places using invariants in 66 ms returned []
[2024-05-31 21:02:46] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-31 21:02:46] [INFO ] Invariant cache hit.
[2024-05-31 21:02:46] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-31 21:02:46] [INFO ] Implicit Places using invariants and state equation in 131 ms returned []
Implicit Place search using SMT with State Equation took 199 ms to find 0 implicit places.
[2024-05-31 21:02:46] [INFO ] Redundant transitions in 2 ms returned []
Running 234 sub problems to find dead transitions.
[2024-05-31 21:02:46] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-31 21:02:46] [INFO ] Invariant cache hit.
[2024-05-31 21:02:46] [INFO ] State equation strengthened by 32 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/97 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/97 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (OVERLAPS) 157/254 variables, 97/100 constraints. Problems are: Problem set: 0 solved, 234 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/254 variables, 32/132 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/254 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (OVERLAPS) 0/254 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 234 unsolved
No progress, stopping.
After SMT solving in domain Real declared 254/254 variables, and 132 constraints, problems are : Problem set: 0 solved, 234 unsolved in 3919 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 97/97 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 234 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/97 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/97 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (OVERLAPS) 157/254 variables, 97/100 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/254 variables, 32/132 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/254 variables, 234/366 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/254 variables, 0/366 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 6 (OVERLAPS) 0/254 variables, 0/366 constraints. Problems are: Problem set: 0 solved, 234 unsolved
No progress, stopping.
After SMT solving in domain Int declared 254/254 variables, and 366 constraints, problems are : Problem set: 0 solved, 234 unsolved in 6901 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 97/97 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints]
After SMT, in 10985ms problems are : Problem set: 0 solved, 234 unsolved
Search for dead transitions found 0 dead transitions in 10988ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11201 ms. Remains : 97/97 places, 236/236 transitions.
[2024-05-31 21:02:57] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
Found an invariant !
This invariant on transitions {24=1, 33=1, 76=1, 88=1, 111=1, 140=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {28=1, 71=1, 122=1, 152=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 9) seen :[9, 2, 4, 4, 5, 6, 4, 12, 13]
Current structural bounds on expressions (after cover walk) : Max Seen:[748, 93, 24, 208, 33, 227, 96, 799, 777] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:02:57] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-31 21:02:57] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[748, 93, 24, 208, 33, 227, 96, 799, 777] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1077 ms. (927 steps per ms)
BEST_FIRST walk for 9000009 steps (18 resets) in 6413 ms. (1403 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[748, 97, 24, 213, 33, 227, 96, 799, 817] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:03:05] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-31 21:03:05] [INFO ] Invariant cache hit.
[2024-05-31 21:03:05] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:03:05] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:03:05] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-31 21:03:05] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:03:05] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:03:05] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:03:05] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:03:05] [INFO ] [Nat]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:03:05] [INFO ] Deduced a trap composed of 28 places in 50 ms of which 1 ms to minimize.
[2024-05-31 21:03:05] [INFO ] Deduced a trap composed of 27 places in 46 ms of which 1 ms to minimize.
[2024-05-31 21:03:05] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 113 ms
[2024-05-31 21:03:05] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 9 ms.
[2024-05-31 21:03:05] [INFO ] Added : 1 causal constraints over 1 iterations in 24 ms. Result :sat
Minimization took 27 ms.
[2024-05-31 21:03:05] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:03:05] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:03:05] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:03:05] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:03:05] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:03:05] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:03:05] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:03:05] [INFO ] Deduced a trap composed of 32 places in 51 ms of which 1 ms to minimize.
[2024-05-31 21:03:05] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 66 ms
[2024-05-31 21:03:05] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 10 ms.
[2024-05-31 21:03:05] [INFO ] Added : 8 causal constraints over 3 iterations in 40 ms. Result :sat
Minimization took 26 ms.
[2024-05-31 21:03:05] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:03:05] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:03:05] [INFO ] [Real]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:03:05] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:03:05] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:03:05] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:03:05] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:03:05] [INFO ] Deduced a trap composed of 26 places in 56 ms of which 0 ms to minimize.
[2024-05-31 21:03:06] [INFO ] Deduced a trap composed of 25 places in 46 ms of which 1 ms to minimize.
[2024-05-31 21:03:06] [INFO ] Deduced a trap composed of 22 places in 44 ms of which 1 ms to minimize.
[2024-05-31 21:03:06] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 163 ms
[2024-05-31 21:03:06] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 9 ms.
[2024-05-31 21:03:06] [INFO ] Added : 2 causal constraints over 1 iterations in 24 ms. Result :sat
Minimization took 29 ms.
[2024-05-31 21:03:06] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:03:06] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:03:06] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:03:06] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:03:06] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:03:06] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:03:06] [INFO ] [Nat]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:03:06] [INFO ] Deduced a trap composed of 32 places in 52 ms of which 1 ms to minimize.
[2024-05-31 21:03:06] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 61 ms
[2024-05-31 21:03:06] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 11 ms.
[2024-05-31 21:03:06] [INFO ] Added : 8 causal constraints over 3 iterations in 44 ms. Result :sat
Minimization took 26 ms.
[2024-05-31 21:03:06] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:03:06] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:03:06] [INFO ] [Real]Added 32 Read/Feed constraints in 7 ms returned sat
[2024-05-31 21:03:06] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:03:06] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:03:06] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:03:06] [INFO ] [Nat]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:03:06] [INFO ] Deduced a trap composed of 34 places in 47 ms of which 1 ms to minimize.
[2024-05-31 21:03:06] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 62 ms
[2024-05-31 21:03:06] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 11 ms.
[2024-05-31 21:03:06] [INFO ] Added : 2 causal constraints over 1 iterations in 33 ms. Result :sat
Minimization took 26 ms.
[2024-05-31 21:03:06] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:03:06] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:03:06] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:03:06] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:03:06] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:03:06] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:03:06] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:03:06] [INFO ] Deduced a trap composed of 32 places in 55 ms of which 1 ms to minimize.
[2024-05-31 21:03:06] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 64 ms
[2024-05-31 21:03:06] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 9 ms.
[2024-05-31 21:03:06] [INFO ] Added : 1 causal constraints over 1 iterations in 25 ms. Result :sat
Minimization took 26 ms.
[2024-05-31 21:03:07] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:03:07] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:03:07] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:03:07] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:03:07] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:03:07] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-31 21:03:07] [INFO ] [Nat]Added 32 Read/Feed constraints in 7 ms returned sat
[2024-05-31 21:03:07] [INFO ] Deduced a trap composed of 34 places in 48 ms of which 1 ms to minimize.
[2024-05-31 21:03:07] [INFO ] Deduced a trap composed of 24 places in 50 ms of which 1 ms to minimize.
[2024-05-31 21:03:07] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 115 ms
[2024-05-31 21:03:07] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 13 ms.
[2024-05-31 21:03:07] [INFO ] Added : 7 causal constraints over 3 iterations in 43 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 21:03:07] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:03:07] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:03:07] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:03:07] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:03:07] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:03:07] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:03:07] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:03:07] [INFO ] Deduced a trap composed of 22 places in 50 ms of which 1 ms to minimize.
[2024-05-31 21:03:07] [INFO ] Deduced a trap composed of 22 places in 53 ms of which 1 ms to minimize.
[2024-05-31 21:03:07] [INFO ] Deduced a trap composed of 19 places in 46 ms of which 1 ms to minimize.
[2024-05-31 21:03:07] [INFO ] Deduced a trap composed of 22 places in 48 ms of which 1 ms to minimize.
[2024-05-31 21:03:07] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 232 ms
[2024-05-31 21:03:07] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 9 ms.
[2024-05-31 21:03:07] [INFO ] Added : 1 causal constraints over 1 iterations in 27 ms. Result :sat
Minimization took 29 ms.
[2024-05-31 21:03:07] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:03:07] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:03:07] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:03:07] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:03:07] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:03:07] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2024-05-31 21:03:07] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:03:07] [INFO ] Deduced a trap composed of 28 places in 50 ms of which 1 ms to minimize.
[2024-05-31 21:03:08] [INFO ] Deduced a trap composed of 27 places in 44 ms of which 1 ms to minimize.
[2024-05-31 21:03:08] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 114 ms
[2024-05-31 21:03:08] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 9 ms.
[2024-05-31 21:03:08] [INFO ] Added : 1 causal constraints over 1 iterations in 25 ms. Result :sat
Minimization took 25 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[748, 97, 24, 213, 33, 227, 96, 799, 817] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[748, 97, 24, 213, 33, 227, 96, 799, 817] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 9 out of 97 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 97/97 places, 236/236 transitions.
Applied a total of 0 rules in 5 ms. Remains 97 /97 variables (removed 0) and now considering 236/236 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 97/97 places, 236/236 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 97/97 places, 236/236 transitions.
Applied a total of 0 rules in 5 ms. Remains 97 /97 variables (removed 0) and now considering 236/236 (removed 0) transitions.
[2024-05-31 21:03:08] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-31 21:03:08] [INFO ] Invariant cache hit.
[2024-05-31 21:03:08] [INFO ] Implicit Places using invariants in 66 ms returned []
[2024-05-31 21:03:08] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-31 21:03:08] [INFO ] Invariant cache hit.
[2024-05-31 21:03:08] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-31 21:03:08] [INFO ] Implicit Places using invariants and state equation in 134 ms returned []
Implicit Place search using SMT with State Equation took 202 ms to find 0 implicit places.
[2024-05-31 21:03:08] [INFO ] Redundant transitions in 3 ms returned []
Running 234 sub problems to find dead transitions.
[2024-05-31 21:03:08] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-31 21:03:08] [INFO ] Invariant cache hit.
[2024-05-31 21:03:08] [INFO ] State equation strengthened by 32 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/97 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/97 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (OVERLAPS) 157/254 variables, 97/100 constraints. Problems are: Problem set: 0 solved, 234 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/254 variables, 32/132 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/254 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (OVERLAPS) 0/254 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 234 unsolved
No progress, stopping.
After SMT solving in domain Real declared 254/254 variables, and 132 constraints, problems are : Problem set: 0 solved, 234 unsolved in 4387 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 97/97 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 234 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/97 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/97 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (OVERLAPS) 157/254 variables, 97/100 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/254 variables, 32/132 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/254 variables, 234/366 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/254 variables, 0/366 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 6 (OVERLAPS) 0/254 variables, 0/366 constraints. Problems are: Problem set: 0 solved, 234 unsolved
No progress, stopping.
After SMT solving in domain Int declared 254/254 variables, and 366 constraints, problems are : Problem set: 0 solved, 234 unsolved in 7532 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 97/97 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints]
After SMT, in 12071ms problems are : Problem set: 0 solved, 234 unsolved
Search for dead transitions found 0 dead transitions in 12074ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12289 ms. Remains : 97/97 places, 236/236 transitions.
[2024-05-31 21:03:20] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
Found an invariant !
This invariant on transitions {24=1, 33=1, 76=1, 88=1, 111=1, 140=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {28=1, 71=1, 122=1, 152=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 37 ms. (steps per millisecond=270 ) properties (out of 9) seen :[5, 2, 5, 5, 5, 4, 3, 14, 6]
Current structural bounds on expressions (after cover walk) : Max Seen:[748, 97, 24, 213, 33, 227, 96, 799, 817] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:03:20] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-31 21:03:20] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[748, 97, 24, 213, 33, 227, 96, 799, 817] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000002 steps (2 resets) in 1013 ms. (986 steps per ms)
BEST_FIRST walk for 9000009 steps (18 resets) in 6661 ms. (1350 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[748, 97, 24, 232, 33, 227, 96, 799, 817] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:03:28] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-31 21:03:28] [INFO ] Invariant cache hit.
[2024-05-31 21:03:28] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:03:28] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:03:28] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-31 21:03:28] [INFO ] [Real]Added 32 Read/Feed constraints in 8 ms returned sat
[2024-05-31 21:03:28] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:03:28] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:03:28] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:03:28] [INFO ] [Nat]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:03:28] [INFO ] Deduced a trap composed of 28 places in 52 ms of which 1 ms to minimize.
[2024-05-31 21:03:28] [INFO ] Deduced a trap composed of 27 places in 46 ms of which 0 ms to minimize.
[2024-05-31 21:03:28] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 112 ms
[2024-05-31 21:03:28] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 9 ms.
[2024-05-31 21:03:28] [INFO ] Added : 1 causal constraints over 1 iterations in 24 ms. Result :sat
Minimization took 24 ms.
[2024-05-31 21:03:28] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:03:28] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:03:28] [INFO ] [Real]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:03:28] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:03:28] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:03:28] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:03:28] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:03:28] [INFO ] Deduced a trap composed of 32 places in 49 ms of which 1 ms to minimize.
[2024-05-31 21:03:28] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 62 ms
[2024-05-31 21:03:28] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 11 ms.
[2024-05-31 21:03:28] [INFO ] Added : 8 causal constraints over 3 iterations in 41 ms. Result :sat
Minimization took 29 ms.
[2024-05-31 21:03:28] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:03:28] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:03:28] [INFO ] [Real]Added 32 Read/Feed constraints in 7 ms returned sat
[2024-05-31 21:03:28] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:03:28] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:03:28] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:03:28] [INFO ] [Nat]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:03:28] [INFO ] Deduced a trap composed of 26 places in 47 ms of which 1 ms to minimize.
[2024-05-31 21:03:29] [INFO ] Deduced a trap composed of 25 places in 51 ms of which 1 ms to minimize.
[2024-05-31 21:03:29] [INFO ] Deduced a trap composed of 22 places in 44 ms of which 1 ms to minimize.
[2024-05-31 21:03:29] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 161 ms
[2024-05-31 21:03:29] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 9 ms.
[2024-05-31 21:03:29] [INFO ] Added : 2 causal constraints over 1 iterations in 26 ms. Result :sat
Minimization took 30 ms.
[2024-05-31 21:03:29] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:03:29] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:03:29] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:03:29] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:03:29] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:03:29] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:03:29] [INFO ] [Nat]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:03:29] [INFO ] Deduced a trap composed of 32 places in 54 ms of which 1 ms to minimize.
[2024-05-31 21:03:29] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 61 ms
[2024-05-31 21:03:29] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 9 ms.
[2024-05-31 21:03:29] [INFO ] Added : 8 causal constraints over 3 iterations in 40 ms. Result :sat
Minimization took 27 ms.
[2024-05-31 21:03:29] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:03:29] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:03:29] [INFO ] [Real]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:03:29] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:03:29] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:03:29] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:03:29] [INFO ] [Nat]Added 32 Read/Feed constraints in 7 ms returned sat
[2024-05-31 21:03:29] [INFO ] Deduced a trap composed of 34 places in 49 ms of which 1 ms to minimize.
[2024-05-31 21:03:29] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 58 ms
[2024-05-31 21:03:29] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 8 ms.
[2024-05-31 21:03:29] [INFO ] Added : 2 causal constraints over 1 iterations in 24 ms. Result :sat
Minimization took 27 ms.
[2024-05-31 21:03:29] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:03:29] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:03:29] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:03:29] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:03:29] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:03:29] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:03:29] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:03:29] [INFO ] Deduced a trap composed of 32 places in 51 ms of which 0 ms to minimize.
[2024-05-31 21:03:29] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 62 ms
[2024-05-31 21:03:29] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 8 ms.
[2024-05-31 21:03:29] [INFO ] Added : 1 causal constraints over 1 iterations in 22 ms. Result :sat
Minimization took 23 ms.
[2024-05-31 21:03:29] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:03:29] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:03:29] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:03:29] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:03:30] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:03:30] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:03:30] [INFO ] [Nat]Added 32 Read/Feed constraints in 7 ms returned sat
[2024-05-31 21:03:30] [INFO ] Deduced a trap composed of 34 places in 53 ms of which 0 ms to minimize.
[2024-05-31 21:03:30] [INFO ] Deduced a trap composed of 24 places in 49 ms of which 1 ms to minimize.
[2024-05-31 21:03:30] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 122 ms
[2024-05-31 21:03:30] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 9 ms.
[2024-05-31 21:03:30] [INFO ] Added : 7 causal constraints over 3 iterations in 46 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 21:03:30] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:03:30] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:03:30] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:03:30] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:03:30] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:03:30] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2024-05-31 21:03:30] [INFO ] [Nat]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:03:30] [INFO ] Deduced a trap composed of 22 places in 47 ms of which 1 ms to minimize.
[2024-05-31 21:03:30] [INFO ] Deduced a trap composed of 22 places in 42 ms of which 1 ms to minimize.
[2024-05-31 21:03:30] [INFO ] Deduced a trap composed of 19 places in 43 ms of which 1 ms to minimize.
[2024-05-31 21:03:30] [INFO ] Deduced a trap composed of 22 places in 45 ms of which 1 ms to minimize.
[2024-05-31 21:03:30] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 207 ms
[2024-05-31 21:03:30] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 12 ms.
[2024-05-31 21:03:30] [INFO ] Added : 1 causal constraints over 1 iterations in 28 ms. Result :sat
Minimization took 27 ms.
[2024-05-31 21:03:30] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:03:30] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:03:30] [INFO ] [Real]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:03:30] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:03:30] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:03:30] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:03:30] [INFO ] [Nat]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:03:30] [INFO ] Deduced a trap composed of 28 places in 51 ms of which 1 ms to minimize.
[2024-05-31 21:03:30] [INFO ] Deduced a trap composed of 27 places in 46 ms of which 1 ms to minimize.
[2024-05-31 21:03:30] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 117 ms
[2024-05-31 21:03:30] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 11 ms.
[2024-05-31 21:03:30] [INFO ] Added : 1 causal constraints over 1 iterations in 27 ms. Result :sat
Minimization took 25 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[748, 97, 24, 232, 33, 227, 96, 799, 817] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[748, 97, 24, 232, 33, 227, 96, 799, 817] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 9 out of 97 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 97/97 places, 236/236 transitions.
Applied a total of 0 rules in 10 ms. Remains 97 /97 variables (removed 0) and now considering 236/236 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 97/97 places, 236/236 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 97/97 places, 236/236 transitions.
Applied a total of 0 rules in 12 ms. Remains 97 /97 variables (removed 0) and now considering 236/236 (removed 0) transitions.
[2024-05-31 21:03:31] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-31 21:03:31] [INFO ] Invariant cache hit.
[2024-05-31 21:03:31] [INFO ] Implicit Places using invariants in 66 ms returned []
[2024-05-31 21:03:31] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-31 21:03:31] [INFO ] Invariant cache hit.
[2024-05-31 21:03:31] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-31 21:03:31] [INFO ] Implicit Places using invariants and state equation in 134 ms returned []
Implicit Place search using SMT with State Equation took 201 ms to find 0 implicit places.
[2024-05-31 21:03:31] [INFO ] Redundant transitions in 1 ms returned []
Running 234 sub problems to find dead transitions.
[2024-05-31 21:03:31] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-31 21:03:31] [INFO ] Invariant cache hit.
[2024-05-31 21:03:31] [INFO ] State equation strengthened by 32 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/97 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/97 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (OVERLAPS) 157/254 variables, 97/100 constraints. Problems are: Problem set: 0 solved, 234 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/254 variables, 32/132 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/254 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (OVERLAPS) 0/254 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 234 unsolved
No progress, stopping.
After SMT solving in domain Real declared 254/254 variables, and 132 constraints, problems are : Problem set: 0 solved, 234 unsolved in 3942 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 97/97 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 234 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/97 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/97 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (OVERLAPS) 157/254 variables, 97/100 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/254 variables, 32/132 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/254 variables, 234/366 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/254 variables, 0/366 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 6 (OVERLAPS) 0/254 variables, 0/366 constraints. Problems are: Problem set: 0 solved, 234 unsolved
No progress, stopping.
After SMT solving in domain Int declared 254/254 variables, and 366 constraints, problems are : Problem set: 0 solved, 234 unsolved in 7123 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 97/97 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints]
After SMT, in 11243ms problems are : Problem set: 0 solved, 234 unsolved
Search for dead transitions found 0 dead transitions in 11247ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11468 ms. Remains : 97/97 places, 236/236 transitions.
[2024-05-31 21:03:42] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
Found an invariant !
This invariant on transitions {24=1, 33=1, 76=1, 88=1, 111=1, 140=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {28=1, 71=1, 122=1, 152=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 67 ms. (steps per millisecond=149 ) properties (out of 9) seen :[7, 4, 4, 6, 9, 12, 3, 6, 7]
Current structural bounds on expressions (after cover walk) : Max Seen:[748, 97, 24, 232, 33, 227, 96, 799, 817] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:03:42] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-31 21:03:42] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[748, 97, 24, 232, 33, 227, 96, 799, 817] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000020 steps (2 resets) in 702 ms. (1422 steps per ms)
BEST_FIRST walk for 9000009 steps (18 resets) in 6514 ms. (1381 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[750, 97, 27, 232, 33, 227, 96, 799, 817] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:03:49] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-31 21:03:49] [INFO ] Invariant cache hit.
[2024-05-31 21:03:49] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:03:49] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:03:49] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-31 21:03:49] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:03:49] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:03:50] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:03:50] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:03:50] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:03:50] [INFO ] Deduced a trap composed of 28 places in 52 ms of which 1 ms to minimize.
[2024-05-31 21:03:50] [INFO ] Deduced a trap composed of 27 places in 44 ms of which 1 ms to minimize.
[2024-05-31 21:03:50] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 110 ms
[2024-05-31 21:03:50] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 8 ms.
[2024-05-31 21:03:50] [INFO ] Added : 1 causal constraints over 1 iterations in 23 ms. Result :sat
Minimization took 25 ms.
[2024-05-31 21:03:50] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:03:50] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:03:50] [INFO ] [Real]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:03:50] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:03:50] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:03:50] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:03:50] [INFO ] [Nat]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:03:50] [INFO ] Deduced a trap composed of 32 places in 52 ms of which 0 ms to minimize.
[2024-05-31 21:03:50] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 66 ms
[2024-05-31 21:03:50] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 12 ms.
[2024-05-31 21:03:50] [INFO ] Added : 8 causal constraints over 3 iterations in 42 ms. Result :sat
Minimization took 27 ms.
[2024-05-31 21:03:50] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:03:50] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:03:50] [INFO ] [Real]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:03:50] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:03:50] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:03:50] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:03:50] [INFO ] [Nat]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:03:50] [INFO ] Deduced a trap composed of 26 places in 52 ms of which 1 ms to minimize.
[2024-05-31 21:03:50] [INFO ] Deduced a trap composed of 25 places in 45 ms of which 2 ms to minimize.
[2024-05-31 21:03:50] [INFO ] Deduced a trap composed of 22 places in 46 ms of which 1 ms to minimize.
[2024-05-31 21:03:50] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 162 ms
[2024-05-31 21:03:50] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 8 ms.
[2024-05-31 21:03:50] [INFO ] Added : 2 causal constraints over 1 iterations in 23 ms. Result :sat
Minimization took 29 ms.
[2024-05-31 21:03:50] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:03:50] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:03:50] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:03:50] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:03:50] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:03:50] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:03:51] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:03:51] [INFO ] Deduced a trap composed of 32 places in 46 ms of which 1 ms to minimize.
[2024-05-31 21:03:51] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 60 ms
[2024-05-31 21:03:51] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 9 ms.
[2024-05-31 21:03:51] [INFO ] Added : 8 causal constraints over 3 iterations in 39 ms. Result :sat
Minimization took 26 ms.
[2024-05-31 21:03:51] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:03:51] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:03:51] [INFO ] [Real]Added 32 Read/Feed constraints in 7 ms returned sat
[2024-05-31 21:03:51] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:03:51] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:03:51] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:03:51] [INFO ] [Nat]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:03:51] [INFO ] Deduced a trap composed of 34 places in 50 ms of which 1 ms to minimize.
[2024-05-31 21:03:51] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 66 ms
[2024-05-31 21:03:51] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 10 ms.
[2024-05-31 21:03:51] [INFO ] Added : 2 causal constraints over 1 iterations in 26 ms. Result :sat
Minimization took 26 ms.
[2024-05-31 21:03:51] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:03:51] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:03:51] [INFO ] [Real]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:03:51] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:03:51] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:03:51] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:03:51] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:03:51] [INFO ] Deduced a trap composed of 32 places in 48 ms of which 1 ms to minimize.
[2024-05-31 21:03:51] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 57 ms
[2024-05-31 21:03:51] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 12 ms.
[2024-05-31 21:03:51] [INFO ] Added : 1 causal constraints over 1 iterations in 32 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 21:03:51] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:03:51] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:03:51] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:03:51] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:03:51] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:03:51] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2024-05-31 21:03:51] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:03:51] [INFO ] Deduced a trap composed of 34 places in 51 ms of which 1 ms to minimize.
[2024-05-31 21:03:51] [INFO ] Deduced a trap composed of 24 places in 48 ms of which 1 ms to minimize.
[2024-05-31 21:03:51] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 117 ms
[2024-05-31 21:03:51] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 8 ms.
[2024-05-31 21:03:51] [INFO ] Added : 7 causal constraints over 3 iterations in 36 ms. Result :sat
Minimization took 27 ms.
[2024-05-31 21:03:52] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:03:52] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:03:52] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:03:52] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:03:52] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:03:52] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:03:52] [INFO ] [Nat]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:03:52] [INFO ] Deduced a trap composed of 22 places in 47 ms of which 1 ms to minimize.
[2024-05-31 21:03:52] [INFO ] Deduced a trap composed of 22 places in 46 ms of which 1 ms to minimize.
[2024-05-31 21:03:52] [INFO ] Deduced a trap composed of 19 places in 43 ms of which 1 ms to minimize.
[2024-05-31 21:03:52] [INFO ] Deduced a trap composed of 22 places in 41 ms of which 1 ms to minimize.
[2024-05-31 21:03:52] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 212 ms
[2024-05-31 21:03:52] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 12 ms.
[2024-05-31 21:03:52] [INFO ] Added : 1 causal constraints over 1 iterations in 27 ms. Result :sat
Minimization took 27 ms.
[2024-05-31 21:03:52] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:03:52] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:03:52] [INFO ] [Real]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:03:52] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:03:52] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:03:52] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:03:52] [INFO ] [Nat]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:03:52] [INFO ] Deduced a trap composed of 28 places in 51 ms of which 1 ms to minimize.
[2024-05-31 21:03:52] [INFO ] Deduced a trap composed of 27 places in 45 ms of which 1 ms to minimize.
[2024-05-31 21:03:52] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 108 ms
[2024-05-31 21:03:52] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 7 ms.
[2024-05-31 21:03:52] [INFO ] Added : 1 causal constraints over 1 iterations in 23 ms. Result :sat
Minimization took 27 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[750, 97, 27, 232, 33, 227, 96, 799, 817] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[750, 97, 27, 232, 33, 227, 96, 799, 817] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 9 out of 97 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 97/97 places, 236/236 transitions.
Applied a total of 0 rules in 4 ms. Remains 97 /97 variables (removed 0) and now considering 236/236 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 97/97 places, 236/236 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 97/97 places, 236/236 transitions.
Applied a total of 0 rules in 4 ms. Remains 97 /97 variables (removed 0) and now considering 236/236 (removed 0) transitions.
[2024-05-31 21:03:52] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-31 21:03:52] [INFO ] Invariant cache hit.
[2024-05-31 21:03:52] [INFO ] Implicit Places using invariants in 68 ms returned []
[2024-05-31 21:03:52] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-31 21:03:52] [INFO ] Invariant cache hit.
[2024-05-31 21:03:52] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-31 21:03:52] [INFO ] Implicit Places using invariants and state equation in 137 ms returned []
Implicit Place search using SMT with State Equation took 206 ms to find 0 implicit places.
[2024-05-31 21:03:52] [INFO ] Redundant transitions in 1 ms returned []
Running 234 sub problems to find dead transitions.
[2024-05-31 21:03:53] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-31 21:03:53] [INFO ] Invariant cache hit.
[2024-05-31 21:03:53] [INFO ] State equation strengthened by 32 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/97 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/97 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (OVERLAPS) 157/254 variables, 97/100 constraints. Problems are: Problem set: 0 solved, 234 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/254 variables, 32/132 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/254 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (OVERLAPS) 0/254 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 234 unsolved
No progress, stopping.
After SMT solving in domain Real declared 254/254 variables, and 132 constraints, problems are : Problem set: 0 solved, 234 unsolved in 4214 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 97/97 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 234 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/97 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/97 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (OVERLAPS) 157/254 variables, 97/100 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/254 variables, 32/132 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/254 variables, 234/366 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/254 variables, 0/366 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 6 (OVERLAPS) 0/254 variables, 0/366 constraints. Problems are: Problem set: 0 solved, 234 unsolved
No progress, stopping.
After SMT solving in domain Int declared 254/254 variables, and 366 constraints, problems are : Problem set: 0 solved, 234 unsolved in 7162 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 97/97 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints]
After SMT, in 11538ms problems are : Problem set: 0 solved, 234 unsolved
Search for dead transitions found 0 dead transitions in 11541ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11757 ms. Remains : 97/97 places, 236/236 transitions.
[2024-05-31 21:04:04] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
Found an invariant !
This invariant on transitions {24=1, 33=1, 76=1, 88=1, 111=1, 140=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {28=1, 71=1, 122=1, 152=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 31 ms. (steps per millisecond=322 ) properties (out of 9) seen :[12, 3, 5, 4, 5, 4, 3, 13, 7]
Current structural bounds on expressions (after cover walk) : Max Seen:[750, 97, 27, 232, 33, 227, 96, 799, 817] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:04:04] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-31 21:04:04] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[750, 97, 27, 232, 33, 227, 96, 799, 817] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 977 ms. (1022 steps per ms)
BEST_FIRST walk for 9000005 steps (18 resets) in 6856 ms. (1312 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[750, 99, 40, 232, 33, 227, 96, 799, 817] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:04:12] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-31 21:04:12] [INFO ] Invariant cache hit.
[2024-05-31 21:04:12] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:04:12] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:04:12] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-31 21:04:12] [INFO ] [Real]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:04:12] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:04:12] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:04:12] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2024-05-31 21:04:12] [INFO ] [Nat]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:04:12] [INFO ] Deduced a trap composed of 28 places in 76 ms of which 1 ms to minimize.
[2024-05-31 21:04:12] [INFO ] Deduced a trap composed of 27 places in 68 ms of which 0 ms to minimize.
[2024-05-31 21:04:12] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 175 ms
[2024-05-31 21:04:12] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 12 ms.
[2024-05-31 21:04:12] [INFO ] Added : 1 causal constraints over 1 iterations in 28 ms. Result :sat
Minimization took 25 ms.
[2024-05-31 21:04:12] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:04:12] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:04:12] [INFO ] [Real]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:04:12] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:04:12] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:04:13] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:04:13] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:04:13] [INFO ] Deduced a trap composed of 32 places in 73 ms of which 1 ms to minimize.
[2024-05-31 21:04:13] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 84 ms
[2024-05-31 21:04:13] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 8 ms.
[2024-05-31 21:04:13] [INFO ] Added : 8 causal constraints over 3 iterations in 38 ms. Result :sat
Minimization took 27 ms.
[2024-05-31 21:04:13] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:04:13] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:04:13] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:04:13] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:04:13] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:04:13] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:04:13] [INFO ] [Nat]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:04:13] [INFO ] Deduced a trap composed of 26 places in 47 ms of which 1 ms to minimize.
[2024-05-31 21:04:13] [INFO ] Deduced a trap composed of 34 places in 68 ms of which 1 ms to minimize.
[2024-05-31 21:04:13] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 140 ms
[2024-05-31 21:04:13] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 10 ms.
[2024-05-31 21:04:13] [INFO ] Added : 2 causal constraints over 1 iterations in 26 ms. Result :sat
Minimization took 25 ms.
[2024-05-31 21:04:13] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:04:13] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:04:13] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:04:13] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:04:13] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:04:13] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:04:13] [INFO ] [Nat]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:04:13] [INFO ] Deduced a trap composed of 32 places in 66 ms of which 1 ms to minimize.
[2024-05-31 21:04:13] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 77 ms
[2024-05-31 21:04:13] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 9 ms.
[2024-05-31 21:04:13] [INFO ] Added : 8 causal constraints over 3 iterations in 43 ms. Result :sat
Minimization took 29 ms.
[2024-05-31 21:04:13] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:04:13] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:04:13] [INFO ] [Real]Added 32 Read/Feed constraints in 19 ms returned sat
[2024-05-31 21:04:13] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:04:13] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:04:13] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2024-05-31 21:04:13] [INFO ] [Nat]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:04:14] [INFO ] Deduced a trap composed of 34 places in 65 ms of which 1 ms to minimize.
[2024-05-31 21:04:14] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 74 ms
[2024-05-31 21:04:14] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 8 ms.
[2024-05-31 21:04:14] [INFO ] Added : 2 causal constraints over 1 iterations in 29 ms. Result :sat
Minimization took 38 ms.
[2024-05-31 21:04:14] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:04:14] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:04:14] [INFO ] [Real]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:04:14] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:04:14] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:04:14] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:04:14] [INFO ] [Nat]Added 32 Read/Feed constraints in 18 ms returned sat
[2024-05-31 21:04:14] [INFO ] Deduced a trap composed of 32 places in 69 ms of which 1 ms to minimize.
[2024-05-31 21:04:14] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 93 ms
[2024-05-31 21:04:14] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 10 ms.
[2024-05-31 21:04:14] [INFO ] Added : 1 causal constraints over 1 iterations in 25 ms. Result :sat
Minimization took 24 ms.
[2024-05-31 21:04:14] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:04:14] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-31 21:04:14] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:04:14] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:04:14] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:04:14] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2024-05-31 21:04:14] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:04:14] [INFO ] Deduced a trap composed of 34 places in 70 ms of which 1 ms to minimize.
[2024-05-31 21:04:14] [INFO ] Deduced a trap composed of 24 places in 68 ms of which 1 ms to minimize.
[2024-05-31 21:04:14] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 158 ms
[2024-05-31 21:04:14] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 8 ms.
[2024-05-31 21:04:14] [INFO ] Added : 7 causal constraints over 3 iterations in 38 ms. Result :sat
Minimization took 26 ms.
[2024-05-31 21:04:14] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:04:14] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:04:14] [INFO ] [Real]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:04:14] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:04:14] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:04:14] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:04:14] [INFO ] [Nat]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:04:15] [INFO ] Deduced a trap composed of 22 places in 56 ms of which 1 ms to minimize.
[2024-05-31 21:04:15] [INFO ] Deduced a trap composed of 22 places in 71 ms of which 0 ms to minimize.
[2024-05-31 21:04:15] [INFO ] Deduced a trap composed of 19 places in 72 ms of which 1 ms to minimize.
[2024-05-31 21:04:15] [INFO ] Deduced a trap composed of 22 places in 69 ms of which 1 ms to minimize.
[2024-05-31 21:04:15] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 305 ms
[2024-05-31 21:04:15] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 8 ms.
[2024-05-31 21:04:15] [INFO ] Added : 1 causal constraints over 1 iterations in 24 ms. Result :sat
Minimization took 25 ms.
[2024-05-31 21:04:15] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:04:15] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2024-05-31 21:04:15] [INFO ] [Real]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:04:15] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:04:15] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:04:15] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:04:15] [INFO ] [Nat]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:04:15] [INFO ] Deduced a trap composed of 28 places in 75 ms of which 1 ms to minimize.
[2024-05-31 21:04:15] [INFO ] Deduced a trap composed of 27 places in 72 ms of which 1 ms to minimize.
[2024-05-31 21:04:15] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 167 ms
[2024-05-31 21:04:15] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 8 ms.
[2024-05-31 21:04:15] [INFO ] Added : 1 causal constraints over 1 iterations in 23 ms. Result :sat
Minimization took 26 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[750, 99, 40, 232, 33, 227, 96, 799, 817] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[750, 99, 40, 232, 33, 227, 96, 799, 817] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 9 out of 97 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 97/97 places, 236/236 transitions.
Applied a total of 0 rules in 11 ms. Remains 97 /97 variables (removed 0) and now considering 236/236 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 97/97 places, 236/236 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 97/97 places, 236/236 transitions.
Applied a total of 0 rules in 7 ms. Remains 97 /97 variables (removed 0) and now considering 236/236 (removed 0) transitions.
[2024-05-31 21:04:15] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-31 21:04:15] [INFO ] Invariant cache hit.
[2024-05-31 21:04:15] [INFO ] Implicit Places using invariants in 60 ms returned []
[2024-05-31 21:04:15] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-31 21:04:15] [INFO ] Invariant cache hit.
[2024-05-31 21:04:15] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-31 21:04:16] [INFO ] Implicit Places using invariants and state equation in 130 ms returned []
Implicit Place search using SMT with State Equation took 224 ms to find 0 implicit places.
[2024-05-31 21:04:16] [INFO ] Redundant transitions in 0 ms returned []
Running 234 sub problems to find dead transitions.
[2024-05-31 21:04:16] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-31 21:04:16] [INFO ] Invariant cache hit.
[2024-05-31 21:04:16] [INFO ] State equation strengthened by 32 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/97 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/97 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (OVERLAPS) 157/254 variables, 97/100 constraints. Problems are: Problem set: 0 solved, 234 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/254 variables, 32/132 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/254 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (OVERLAPS) 0/254 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 234 unsolved
No progress, stopping.
After SMT solving in domain Real declared 254/254 variables, and 132 constraints, problems are : Problem set: 0 solved, 234 unsolved in 3999 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 97/97 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 234 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/97 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/97 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (OVERLAPS) 157/254 variables, 97/100 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/254 variables, 32/132 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/254 variables, 234/366 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/254 variables, 0/366 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 6 (OVERLAPS) 0/254 variables, 0/366 constraints. Problems are: Problem set: 0 solved, 234 unsolved
No progress, stopping.
After SMT solving in domain Int declared 254/254 variables, and 366 constraints, problems are : Problem set: 0 solved, 234 unsolved in 6827 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 97/97 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints]
After SMT, in 10989ms problems are : Problem set: 0 solved, 234 unsolved
Search for dead transitions found 0 dead transitions in 10992ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11231 ms. Remains : 97/97 places, 236/236 transitions.
[2024-05-31 21:04:27] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
Found an invariant !
This invariant on transitions {24=1, 33=1, 76=1, 88=1, 111=1, 140=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {28=1, 71=1, 122=1, 152=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 9) seen :[18, 2, 3, 5, 7, 8, 3, 16, 15]
Current structural bounds on expressions (after cover walk) : Max Seen:[750, 99, 40, 232, 33, 227, 96, 799, 817] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:04:27] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-31 21:04:27] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[750, 99, 40, 232, 33, 227, 96, 799, 817] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000001 steps (2 resets) in 990 ms. (1009 steps per ms)
BEST_FIRST walk for 9000009 steps (18 resets) in 6394 ms. (1407 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[750, 99, 40, 271, 35, 227, 96, 848, 817] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:04:34] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-31 21:04:34] [INFO ] Invariant cache hit.
[2024-05-31 21:04:34] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:04:34] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2024-05-31 21:04:34] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-31 21:04:34] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:04:34] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:04:34] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:04:34] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:04:34] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:04:34] [INFO ] Deduced a trap composed of 28 places in 75 ms of which 1 ms to minimize.
[2024-05-31 21:04:34] [INFO ] Deduced a trap composed of 27 places in 46 ms of which 1 ms to minimize.
[2024-05-31 21:04:34] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 135 ms
[2024-05-31 21:04:34] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 10 ms.
[2024-05-31 21:04:34] [INFO ] Added : 1 causal constraints over 1 iterations in 25 ms. Result :sat
Minimization took 25 ms.
[2024-05-31 21:04:34] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:04:34] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2024-05-31 21:04:34] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:04:34] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:04:35] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:04:35] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:04:35] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:04:35] [INFO ] Deduced a trap composed of 32 places in 64 ms of which 1 ms to minimize.
[2024-05-31 21:04:35] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 77 ms
[2024-05-31 21:04:35] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 8 ms.
[2024-05-31 21:04:35] [INFO ] Added : 8 causal constraints over 3 iterations in 39 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 21:04:35] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:04:35] [INFO ] [Real]Absence check using state equation in 35 ms returned sat
[2024-05-31 21:04:35] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:04:35] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:04:35] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:04:35] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:04:35] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:04:35] [INFO ] Deduced a trap composed of 26 places in 52 ms of which 1 ms to minimize.
[2024-05-31 21:04:35] [INFO ] Deduced a trap composed of 34 places in 48 ms of which 1 ms to minimize.
[2024-05-31 21:04:35] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 113 ms
[2024-05-31 21:04:35] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 10 ms.
[2024-05-31 21:04:35] [INFO ] Added : 2 causal constraints over 1 iterations in 25 ms. Result :sat
Minimization took 27 ms.
[2024-05-31 21:04:35] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:04:35] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2024-05-31 21:04:35] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:04:35] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:04:35] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:04:35] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:04:35] [INFO ] [Nat]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:04:35] [INFO ] Deduced a trap composed of 32 places in 52 ms of which 1 ms to minimize.
[2024-05-31 21:04:35] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 63 ms
[2024-05-31 21:04:35] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 12 ms.
[2024-05-31 21:04:35] [INFO ] Added : 8 causal constraints over 3 iterations in 43 ms. Result :sat
Minimization took 27 ms.
[2024-05-31 21:04:35] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:04:35] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:04:35] [INFO ] [Real]Added 32 Read/Feed constraints in 8 ms returned sat
[2024-05-31 21:04:35] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:04:35] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:04:35] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:04:35] [INFO ] [Nat]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:04:36] [INFO ] Deduced a trap composed of 34 places in 66 ms of which 1 ms to minimize.
[2024-05-31 21:04:36] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 77 ms
[2024-05-31 21:04:36] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 10 ms.
[2024-05-31 21:04:36] [INFO ] Added : 2 causal constraints over 1 iterations in 26 ms. Result :sat
Minimization took 25 ms.
[2024-05-31 21:04:36] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:04:36] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:04:36] [INFO ] [Real]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:04:36] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:04:36] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:04:36] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:04:36] [INFO ] [Nat]Added 32 Read/Feed constraints in 7 ms returned sat
[2024-05-31 21:04:36] [INFO ] Deduced a trap composed of 32 places in 47 ms of which 1 ms to minimize.
[2024-05-31 21:04:36] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 59 ms
[2024-05-31 21:04:36] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 11 ms.
[2024-05-31 21:04:36] [INFO ] Added : 1 causal constraints over 1 iterations in 27 ms. Result :sat
Minimization took 25 ms.
[2024-05-31 21:04:36] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:04:36] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-31 21:04:36] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:04:36] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:04:36] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:04:36] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2024-05-31 21:04:36] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:04:36] [INFO ] Deduced a trap composed of 34 places in 51 ms of which 1 ms to minimize.
[2024-05-31 21:04:36] [INFO ] Deduced a trap composed of 24 places in 45 ms of which 1 ms to minimize.
[2024-05-31 21:04:36] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 111 ms
[2024-05-31 21:04:36] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 10 ms.
[2024-05-31 21:04:36] [INFO ] Added : 7 causal constraints over 3 iterations in 41 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 21:04:36] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:04:36] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:04:36] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:04:36] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:04:36] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:04:36] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:04:36] [INFO ] [Nat]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:04:36] [INFO ] Deduced a trap composed of 22 places in 55 ms of which 1 ms to minimize.
[2024-05-31 21:04:36] [INFO ] Deduced a trap composed of 22 places in 60 ms of which 1 ms to minimize.
[2024-05-31 21:04:37] [INFO ] Deduced a trap composed of 19 places in 77 ms of which 1 ms to minimize.
[2024-05-31 21:04:37] [INFO ] Deduced a trap composed of 22 places in 44 ms of which 3 ms to minimize.
[2024-05-31 21:04:37] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 278 ms
[2024-05-31 21:04:37] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 11 ms.
[2024-05-31 21:04:37] [INFO ] Added : 1 causal constraints over 1 iterations in 26 ms. Result :sat
Minimization took 26 ms.
[2024-05-31 21:04:37] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:04:37] [INFO ] [Real]Absence check using state equation in 42 ms returned sat
[2024-05-31 21:04:37] [INFO ] [Real]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:04:37] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:04:37] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:04:37] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:04:37] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:04:37] [INFO ] Deduced a trap composed of 28 places in 48 ms of which 1 ms to minimize.
[2024-05-31 21:04:37] [INFO ] Deduced a trap composed of 27 places in 44 ms of which 1 ms to minimize.
[2024-05-31 21:04:37] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 113 ms
[2024-05-31 21:04:37] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 9 ms.
[2024-05-31 21:04:37] [INFO ] Added : 1 causal constraints over 1 iterations in 25 ms. Result :sat
Minimization took 27 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[750, 99, 40, 271, 35, 227, 96, 848, 817] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[750, 99, 40, 271, 35, 227, 96, 848, 817] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 9 out of 97 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 97/97 places, 236/236 transitions.
Applied a total of 0 rules in 5 ms. Remains 97 /97 variables (removed 0) and now considering 236/236 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 97/97 places, 236/236 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 97/97 places, 236/236 transitions.
Applied a total of 0 rules in 4 ms. Remains 97 /97 variables (removed 0) and now considering 236/236 (removed 0) transitions.
[2024-05-31 21:04:37] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-31 21:04:37] [INFO ] Invariant cache hit.
[2024-05-31 21:04:37] [INFO ] Implicit Places using invariants in 63 ms returned []
[2024-05-31 21:04:37] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-31 21:04:37] [INFO ] Invariant cache hit.
[2024-05-31 21:04:37] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-31 21:04:37] [INFO ] Implicit Places using invariants and state equation in 119 ms returned []
Implicit Place search using SMT with State Equation took 193 ms to find 0 implicit places.
[2024-05-31 21:04:37] [INFO ] Redundant transitions in 1 ms returned []
Running 234 sub problems to find dead transitions.
[2024-05-31 21:04:37] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-31 21:04:37] [INFO ] Invariant cache hit.
[2024-05-31 21:04:37] [INFO ] State equation strengthened by 32 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/97 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/97 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (OVERLAPS) 157/254 variables, 97/100 constraints. Problems are: Problem set: 0 solved, 234 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/254 variables, 32/132 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/254 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (OVERLAPS) 0/254 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 234 unsolved
No progress, stopping.
After SMT solving in domain Real declared 254/254 variables, and 132 constraints, problems are : Problem set: 0 solved, 234 unsolved in 4099 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 97/97 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 234 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/97 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/97 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (OVERLAPS) 157/254 variables, 97/100 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/254 variables, 32/132 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/254 variables, 234/366 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/254 variables, 0/366 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 6 (OVERLAPS) 0/254 variables, 0/366 constraints. Problems are: Problem set: 0 solved, 234 unsolved
No progress, stopping.
After SMT solving in domain Int declared 254/254 variables, and 366 constraints, problems are : Problem set: 0 solved, 234 unsolved in 7107 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 97/97 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints]
After SMT, in 11364ms problems are : Problem set: 0 solved, 234 unsolved
Search for dead transitions found 0 dead transitions in 11366ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11569 ms. Remains : 97/97 places, 236/236 transitions.
[2024-05-31 21:04:49] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
Found an invariant !
This invariant on transitions {24=1, 33=1, 76=1, 88=1, 111=1, 140=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {28=1, 71=1, 122=1, 152=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 34 ms. (steps per millisecond=294 ) properties (out of 9) seen :[7, 3, 7, 3, 8, 6, 4, 8, 6]
Current structural bounds on expressions (after cover walk) : Max Seen:[750, 99, 40, 271, 35, 227, 96, 848, 817] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:04:49] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-31 21:04:49] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[750, 99, 40, 271, 35, 227, 96, 848, 817] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1106 ms. (903 steps per ms)
BEST_FIRST walk for 9000009 steps (18 resets) in 6485 ms. (1387 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[750, 99, 40, 271, 35, 353, 96, 848, 817] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:04:56] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-31 21:04:56] [INFO ] Invariant cache hit.
[2024-05-31 21:04:56] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:04:56] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-31 21:04:56] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-31 21:04:56] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:04:56] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:04:56] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:04:56] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:04:56] [INFO ] [Nat]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:04:57] [INFO ] Deduced a trap composed of 28 places in 54 ms of which 1 ms to minimize.
[2024-05-31 21:04:57] [INFO ] Deduced a trap composed of 27 places in 72 ms of which 1 ms to minimize.
[2024-05-31 21:04:57] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 140 ms
[2024-05-31 21:04:57] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 8 ms.
[2024-05-31 21:04:57] [INFO ] Added : 1 causal constraints over 1 iterations in 25 ms. Result :sat
Minimization took 25 ms.
[2024-05-31 21:04:57] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:04:57] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:04:57] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:04:57] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:04:57] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:04:57] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:04:57] [INFO ] [Nat]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:04:57] [INFO ] Deduced a trap composed of 32 places in 48 ms of which 1 ms to minimize.
[2024-05-31 21:04:57] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 57 ms
[2024-05-31 21:04:57] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 8 ms.
[2024-05-31 21:04:57] [INFO ] Added : 8 causal constraints over 3 iterations in 38 ms. Result :sat
Minimization took 27 ms.
[2024-05-31 21:04:57] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:04:57] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:04:57] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:04:57] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:04:57] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:04:57] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:04:57] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:04:57] [INFO ] Deduced a trap composed of 26 places in 49 ms of which 1 ms to minimize.
[2024-05-31 21:04:57] [INFO ] Deduced a trap composed of 34 places in 43 ms of which 1 ms to minimize.
[2024-05-31 21:04:57] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 105 ms
[2024-05-31 21:04:57] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 8 ms.
[2024-05-31 21:04:57] [INFO ] Added : 2 causal constraints over 1 iterations in 23 ms. Result :sat
Minimization took 25 ms.
[2024-05-31 21:04:57] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:04:57] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:04:57] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:04:57] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:04:57] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:04:57] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:04:57] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:04:57] [INFO ] Deduced a trap composed of 32 places in 50 ms of which 1 ms to minimize.
[2024-05-31 21:04:57] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 60 ms
[2024-05-31 21:04:57] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 12 ms.
[2024-05-31 21:04:57] [INFO ] Added : 8 causal constraints over 3 iterations in 41 ms. Result :sat
Minimization took 29 ms.
[2024-05-31 21:04:58] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:04:58] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:04:58] [INFO ] [Real]Added 32 Read/Feed constraints in 7 ms returned sat
[2024-05-31 21:04:58] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:04:58] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:04:58] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:04:58] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:04:58] [INFO ] Deduced a trap composed of 34 places in 50 ms of which 1 ms to minimize.
[2024-05-31 21:04:58] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 63 ms
[2024-05-31 21:04:58] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 12 ms.
[2024-05-31 21:04:58] [INFO ] Added : 2 causal constraints over 1 iterations in 32 ms. Result :sat
Minimization took 30 ms.
[2024-05-31 21:04:58] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:04:58] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:04:58] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:04:58] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:04:58] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:04:58] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-31 21:04:58] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:04:58] [INFO ] Deduced a trap composed of 32 places in 60 ms of which 1 ms to minimize.
[2024-05-31 21:04:58] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 68 ms
[2024-05-31 21:04:58] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 10 ms.
[2024-05-31 21:04:58] [INFO ] Added : 1 causal constraints over 1 iterations in 26 ms. Result :sat
Minimization took 26 ms.
[2024-05-31 21:04:58] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:04:58] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:04:58] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:04:58] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:04:58] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:04:58] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:04:58] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:04:58] [INFO ] Deduced a trap composed of 34 places in 55 ms of which 1 ms to minimize.
[2024-05-31 21:04:58] [INFO ] Deduced a trap composed of 24 places in 49 ms of which 1 ms to minimize.
[2024-05-31 21:04:58] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 121 ms
[2024-05-31 21:04:58] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 9 ms.
[2024-05-31 21:04:58] [INFO ] Added : 7 causal constraints over 3 iterations in 39 ms. Result :sat
Minimization took 27 ms.
[2024-05-31 21:04:58] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:04:58] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:04:58] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:04:58] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:04:59] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:04:59] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:04:59] [INFO ] [Nat]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:04:59] [INFO ] Deduced a trap composed of 22 places in 73 ms of which 1 ms to minimize.
[2024-05-31 21:04:59] [INFO ] Deduced a trap composed of 22 places in 47 ms of which 1 ms to minimize.
[2024-05-31 21:04:59] [INFO ] Deduced a trap composed of 19 places in 52 ms of which 1 ms to minimize.
[2024-05-31 21:04:59] [INFO ] Deduced a trap composed of 22 places in 48 ms of which 1 ms to minimize.
[2024-05-31 21:04:59] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 246 ms
[2024-05-31 21:04:59] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 9 ms.
[2024-05-31 21:04:59] [INFO ] Added : 1 causal constraints over 1 iterations in 25 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 21:04:59] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:04:59] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:04:59] [INFO ] [Real]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:04:59] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:04:59] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:04:59] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:04:59] [INFO ] [Nat]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:04:59] [INFO ] Deduced a trap composed of 28 places in 54 ms of which 1 ms to minimize.
[2024-05-31 21:04:59] [INFO ] Deduced a trap composed of 27 places in 49 ms of which 1 ms to minimize.
[2024-05-31 21:04:59] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 120 ms
[2024-05-31 21:04:59] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 9 ms.
[2024-05-31 21:04:59] [INFO ] Added : 1 causal constraints over 1 iterations in 25 ms. Result :sat
Minimization took 25 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[750, 99, 40, 271, 35, 353, 96, 848, 817] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[750, 99, 40, 271, 35, 353, 96, 848, 817] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 9 out of 97 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 97/97 places, 236/236 transitions.
Applied a total of 0 rules in 4 ms. Remains 97 /97 variables (removed 0) and now considering 236/236 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 97/97 places, 236/236 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 97/97 places, 236/236 transitions.
Applied a total of 0 rules in 4 ms. Remains 97 /97 variables (removed 0) and now considering 236/236 (removed 0) transitions.
[2024-05-31 21:04:59] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-31 21:04:59] [INFO ] Invariant cache hit.
[2024-05-31 21:04:59] [INFO ] Implicit Places using invariants in 71 ms returned []
[2024-05-31 21:04:59] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-31 21:04:59] [INFO ] Invariant cache hit.
[2024-05-31 21:04:59] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-31 21:04:59] [INFO ] Implicit Places using invariants and state equation in 138 ms returned []
Implicit Place search using SMT with State Equation took 210 ms to find 0 implicit places.
[2024-05-31 21:04:59] [INFO ] Redundant transitions in 0 ms returned []
Running 234 sub problems to find dead transitions.
[2024-05-31 21:04:59] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-31 21:04:59] [INFO ] Invariant cache hit.
[2024-05-31 21:04:59] [INFO ] State equation strengthened by 32 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/97 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/97 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (OVERLAPS) 157/254 variables, 97/100 constraints. Problems are: Problem set: 0 solved, 234 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/254 variables, 32/132 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/254 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (OVERLAPS) 0/254 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 234 unsolved
No progress, stopping.
After SMT solving in domain Real declared 254/254 variables, and 132 constraints, problems are : Problem set: 0 solved, 234 unsolved in 4233 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 97/97 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 234 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/97 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/97 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (OVERLAPS) 157/254 variables, 97/100 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/254 variables, 32/132 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/254 variables, 234/366 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/254 variables, 0/366 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 6 (OVERLAPS) 0/254 variables, 0/366 constraints. Problems are: Problem set: 0 solved, 234 unsolved
No progress, stopping.
After SMT solving in domain Int declared 254/254 variables, and 366 constraints, problems are : Problem set: 0 solved, 234 unsolved in 7123 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 97/97 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints]
After SMT, in 11524ms problems are : Problem set: 0 solved, 234 unsolved
Search for dead transitions found 0 dead transitions in 11529ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11753 ms. Remains : 97/97 places, 236/236 transitions.
[2024-05-31 21:05:11] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
Found an invariant !
This invariant on transitions {24=1, 33=1, 76=1, 88=1, 111=1, 140=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {28=1, 71=1, 122=1, 152=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 31 ms. (steps per millisecond=322 ) properties (out of 9) seen :[6, 3, 6, 2, 2, 8, 3, 16, 6]
Current structural bounds on expressions (after cover walk) : Max Seen:[750, 99, 40, 271, 35, 353, 96, 848, 817] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:05:11] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-31 21:05:11] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[750, 99, 40, 271, 35, 353, 96, 848, 817] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1186 ms. (842 steps per ms)
BEST_FIRST walk for 9000009 steps (18 resets) in 6484 ms. (1387 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[750, 99, 40, 271, 35, 353, 98, 893, 817] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:05:19] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-31 21:05:19] [INFO ] Invariant cache hit.
[2024-05-31 21:05:19] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:05:19] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2024-05-31 21:05:19] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-31 21:05:19] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:05:19] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:05:19] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:05:19] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:05:19] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:05:19] [INFO ] Deduced a trap composed of 28 places in 52 ms of which 1 ms to minimize.
[2024-05-31 21:05:19] [INFO ] Deduced a trap composed of 27 places in 48 ms of which 0 ms to minimize.
[2024-05-31 21:05:19] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 120 ms
[2024-05-31 21:05:19] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 9 ms.
[2024-05-31 21:05:19] [INFO ] Added : 1 causal constraints over 1 iterations in 23 ms. Result :sat
Minimization took 25 ms.
[2024-05-31 21:05:19] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:05:19] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:05:19] [INFO ] [Real]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:05:19] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:05:19] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:05:19] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:05:19] [INFO ] [Nat]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:05:19] [INFO ] Deduced a trap composed of 32 places in 52 ms of which 1 ms to minimize.
[2024-05-31 21:05:19] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 63 ms
[2024-05-31 21:05:19] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 9 ms.
[2024-05-31 21:05:19] [INFO ] Added : 8 causal constraints over 3 iterations in 40 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 21:05:19] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:05:19] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:05:19] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:05:19] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:05:19] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:05:19] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:05:19] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:05:20] [INFO ] Deduced a trap composed of 26 places in 49 ms of which 1 ms to minimize.
[2024-05-31 21:05:20] [INFO ] Deduced a trap composed of 34 places in 46 ms of which 1 ms to minimize.
[2024-05-31 21:05:20] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 114 ms
[2024-05-31 21:05:20] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 8 ms.
[2024-05-31 21:05:20] [INFO ] Added : 2 causal constraints over 1 iterations in 24 ms. Result :sat
Minimization took 26 ms.
[2024-05-31 21:05:20] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:05:20] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:05:20] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:05:20] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:05:20] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:05:20] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:05:20] [INFO ] [Nat]Added 32 Read/Feed constraints in 9 ms returned sat
[2024-05-31 21:05:20] [INFO ] Deduced a trap composed of 32 places in 47 ms of which 1 ms to minimize.
[2024-05-31 21:05:20] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 58 ms
[2024-05-31 21:05:20] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 9 ms.
[2024-05-31 21:05:20] [INFO ] Added : 8 causal constraints over 3 iterations in 38 ms. Result :sat
Minimization took 27 ms.
[2024-05-31 21:05:20] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:05:20] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:05:20] [INFO ] [Real]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:05:20] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:05:20] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:05:20] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:05:20] [INFO ] [Nat]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:05:20] [INFO ] Deduced a trap composed of 34 places in 51 ms of which 1 ms to minimize.
[2024-05-31 21:05:20] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 63 ms
[2024-05-31 21:05:20] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 12 ms.
[2024-05-31 21:05:20] [INFO ] Added : 2 causal constraints over 1 iterations in 28 ms. Result :sat
Minimization took 27 ms.
[2024-05-31 21:05:20] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:05:20] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:05:20] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:05:20] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:05:20] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:05:20] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:05:20] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:05:20] [INFO ] Deduced a trap composed of 32 places in 52 ms of which 0 ms to minimize.
[2024-05-31 21:05:20] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 61 ms
[2024-05-31 21:05:20] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 10 ms.
[2024-05-31 21:05:20] [INFO ] Added : 1 causal constraints over 1 iterations in 27 ms. Result :sat
Minimization took 26 ms.
[2024-05-31 21:05:21] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:05:21] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:05:21] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:05:21] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:05:21] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:05:21] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:05:21] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:05:21] [INFO ] Deduced a trap composed of 34 places in 59 ms of which 1 ms to minimize.
[2024-05-31 21:05:21] [INFO ] Deduced a trap composed of 24 places in 47 ms of which 1 ms to minimize.
[2024-05-31 21:05:21] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 120 ms
[2024-05-31 21:05:21] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 9 ms.
[2024-05-31 21:05:21] [INFO ] Added : 7 causal constraints over 3 iterations in 40 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 21:05:21] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:05:21] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:05:21] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:05:21] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:05:21] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:05:21] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:05:21] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:05:21] [INFO ] Deduced a trap composed of 22 places in 53 ms of which 1 ms to minimize.
[2024-05-31 21:05:21] [INFO ] Deduced a trap composed of 22 places in 48 ms of which 1 ms to minimize.
[2024-05-31 21:05:21] [INFO ] Deduced a trap composed of 19 places in 50 ms of which 1 ms to minimize.
[2024-05-31 21:05:21] [INFO ] Deduced a trap composed of 22 places in 48 ms of which 1 ms to minimize.
[2024-05-31 21:05:21] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 223 ms
[2024-05-31 21:05:21] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 8 ms.
[2024-05-31 21:05:21] [INFO ] Added : 1 causal constraints over 1 iterations in 23 ms. Result :sat
Minimization took 26 ms.
[2024-05-31 21:05:21] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:05:21] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:05:21] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:05:21] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:05:21] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:05:21] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:05:21] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:05:21] [INFO ] Deduced a trap composed of 28 places in 51 ms of which 1 ms to minimize.
[2024-05-31 21:05:21] [INFO ] Deduced a trap composed of 27 places in 46 ms of which 1 ms to minimize.
[2024-05-31 21:05:21] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 115 ms
[2024-05-31 21:05:22] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 9 ms.
[2024-05-31 21:05:22] [INFO ] Added : 1 causal constraints over 1 iterations in 26 ms. Result :sat
Minimization took 26 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[750, 99, 40, 271, 35, 353, 98, 893, 817] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[750, 99, 40, 271, 35, 353, 98, 893, 817] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 9 out of 97 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 97/97 places, 236/236 transitions.
Applied a total of 0 rules in 5 ms. Remains 97 /97 variables (removed 0) and now considering 236/236 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 97/97 places, 236/236 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 97/97 places, 236/236 transitions.
Applied a total of 0 rules in 4 ms. Remains 97 /97 variables (removed 0) and now considering 236/236 (removed 0) transitions.
[2024-05-31 21:05:22] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-31 21:05:22] [INFO ] Invariant cache hit.
[2024-05-31 21:05:22] [INFO ] Implicit Places using invariants in 69 ms returned []
[2024-05-31 21:05:22] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-31 21:05:22] [INFO ] Invariant cache hit.
[2024-05-31 21:05:22] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-31 21:05:22] [INFO ] Implicit Places using invariants and state equation in 135 ms returned []
Implicit Place search using SMT with State Equation took 206 ms to find 0 implicit places.
[2024-05-31 21:05:22] [INFO ] Redundant transitions in 1 ms returned []
Running 234 sub problems to find dead transitions.
[2024-05-31 21:05:22] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-31 21:05:22] [INFO ] Invariant cache hit.
[2024-05-31 21:05:22] [INFO ] State equation strengthened by 32 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/97 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/97 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (OVERLAPS) 157/254 variables, 97/100 constraints. Problems are: Problem set: 0 solved, 234 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/254 variables, 32/132 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/254 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (OVERLAPS) 0/254 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 234 unsolved
No progress, stopping.
After SMT solving in domain Real declared 254/254 variables, and 132 constraints, problems are : Problem set: 0 solved, 234 unsolved in 4229 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 97/97 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 234 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/97 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/97 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (OVERLAPS) 157/254 variables, 97/100 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/254 variables, 32/132 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/254 variables, 234/366 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/254 variables, 0/366 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 6 (OVERLAPS) 0/254 variables, 0/366 constraints. Problems are: Problem set: 0 solved, 234 unsolved
No progress, stopping.
After SMT solving in domain Int declared 254/254 variables, and 366 constraints, problems are : Problem set: 0 solved, 234 unsolved in 6979 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 97/97 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints]
After SMT, in 11368ms problems are : Problem set: 0 solved, 234 unsolved
Search for dead transitions found 0 dead transitions in 11371ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11591 ms. Remains : 97/97 places, 236/236 transitions.
[2024-05-31 21:05:33] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
Found an invariant !
This invariant on transitions {24=1, 33=1, 76=1, 88=1, 111=1, 140=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {28=1, 71=1, 122=1, 152=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 38 ms. (steps per millisecond=263 ) properties (out of 9) seen :[2147483647, 4, 4, 3, 7, 7, 2, 8, 6]
Current structural bounds on expressions (after cover walk) : Max Seen:[+inf, 99, 40, 271, 35, 353, 98, 893, 817] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:05:33] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-31 21:05:33] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[+inf, 99, 40, 271, 35, 353, 98, 893, 817] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1272 ms. (785 steps per ms)
FORMULA FunctionPointer-PT-b032-UpperBounds-01 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 8000006 steps (16 resets) in 5843 ms. (1368 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[99, 40, 271, 35, 353, 98, 893, 817] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:05:40] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-31 21:05:40] [INFO ] Invariant cache hit.
[2024-05-31 21:05:40] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:05:40] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:05:40] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-31 21:05:41] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:05:41] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:05:41] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:05:41] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:05:41] [INFO ] [Nat]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:05:41] [INFO ] Deduced a trap composed of 32 places in 53 ms of which 1 ms to minimize.
[2024-05-31 21:05:41] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 69 ms
[2024-05-31 21:05:41] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 10 ms.
[2024-05-31 21:05:41] [INFO ] Added : 8 causal constraints over 3 iterations in 40 ms. Result :sat
Minimization took 32 ms.
[2024-05-31 21:05:41] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:05:41] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:05:41] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:05:41] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:05:41] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:05:41] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:05:41] [INFO ] [Nat]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:05:41] [INFO ] Deduced a trap composed of 26 places in 50 ms of which 1 ms to minimize.
[2024-05-31 21:05:41] [INFO ] Deduced a trap composed of 34 places in 49 ms of which 1 ms to minimize.
[2024-05-31 21:05:41] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 112 ms
[2024-05-31 21:05:41] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 9 ms.
[2024-05-31 21:05:41] [INFO ] Added : 2 causal constraints over 1 iterations in 25 ms. Result :sat
Minimization took 25 ms.
[2024-05-31 21:05:41] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:05:41] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:05:41] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:05:41] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:05:41] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:05:41] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:05:41] [INFO ] [Nat]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:05:41] [INFO ] Deduced a trap composed of 32 places in 51 ms of which 1 ms to minimize.
[2024-05-31 21:05:41] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 60 ms
[2024-05-31 21:05:41] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 8 ms.
[2024-05-31 21:05:41] [INFO ] Added : 8 causal constraints over 3 iterations in 39 ms. Result :sat
Minimization took 29 ms.
[2024-05-31 21:05:41] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:05:41] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:05:41] [INFO ] [Real]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:05:41] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:05:41] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:05:41] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:05:41] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:05:42] [INFO ] Deduced a trap composed of 34 places in 54 ms of which 1 ms to minimize.
[2024-05-31 21:05:42] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 66 ms
[2024-05-31 21:05:42] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 9 ms.
[2024-05-31 21:05:42] [INFO ] Added : 2 causal constraints over 1 iterations in 26 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 21:05:42] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:05:42] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:05:42] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:05:42] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:05:42] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:05:42] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:05:42] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:05:42] [INFO ] Deduced a trap composed of 32 places in 53 ms of which 1 ms to minimize.
[2024-05-31 21:05:42] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 61 ms
[2024-05-31 21:05:42] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 9 ms.
[2024-05-31 21:05:42] [INFO ] Added : 1 causal constraints over 1 iterations in 24 ms. Result :sat
Minimization took 25 ms.
[2024-05-31 21:05:42] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:05:42] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:05:42] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:05:42] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:05:42] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:05:42] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:05:42] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:05:42] [INFO ] Deduced a trap composed of 34 places in 52 ms of which 1 ms to minimize.
[2024-05-31 21:05:42] [INFO ] Deduced a trap composed of 24 places in 54 ms of which 1 ms to minimize.
[2024-05-31 21:05:42] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 126 ms
[2024-05-31 21:05:42] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 10 ms.
[2024-05-31 21:05:42] [INFO ] Added : 7 causal constraints over 3 iterations in 40 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 21:05:42] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:05:42] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:05:42] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:05:42] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:05:42] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:05:42] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:05:42] [INFO ] [Nat]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:05:42] [INFO ] Deduced a trap composed of 22 places in 50 ms of which 1 ms to minimize.
[2024-05-31 21:05:42] [INFO ] Deduced a trap composed of 22 places in 52 ms of which 1 ms to minimize.
[2024-05-31 21:05:43] [INFO ] Deduced a trap composed of 19 places in 46 ms of which 0 ms to minimize.
[2024-05-31 21:05:43] [INFO ] Deduced a trap composed of 22 places in 47 ms of which 1 ms to minimize.
[2024-05-31 21:05:43] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 234 ms
[2024-05-31 21:05:43] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 10 ms.
[2024-05-31 21:05:43] [INFO ] Added : 1 causal constraints over 1 iterations in 25 ms. Result :sat
Minimization took 24 ms.
[2024-05-31 21:05:43] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:05:43] [INFO ] [Real]Absence check using state equation in 38 ms returned sat
[2024-05-31 21:05:43] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:05:43] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:05:43] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:05:43] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:05:43] [INFO ] [Nat]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:05:43] [INFO ] Deduced a trap composed of 28 places in 45 ms of which 1 ms to minimize.
[2024-05-31 21:05:43] [INFO ] Deduced a trap composed of 27 places in 50 ms of which 1 ms to minimize.
[2024-05-31 21:05:43] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 113 ms
[2024-05-31 21:05:43] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 11 ms.
[2024-05-31 21:05:43] [INFO ] Added : 1 causal constraints over 1 iterations in 26 ms. Result :sat
Minimization took 31 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[99, 40, 271, 35, 353, 98, 893, 817] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[99, 40, 271, 35, 353, 98, 893, 817] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 8 out of 97 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 97/97 places, 236/236 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 96 transition count 234
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 96 transition count 234
Applied a total of 2 rules in 5 ms. Remains 96 /97 variables (removed 1) and now considering 234/236 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 96/97 places, 234/236 transitions.
[2024-05-31 21:05:43] [INFO ] Flow matrix only has 154 transitions (discarded 80 similar events)
Found an invariant !
This invariant on transitions {25=1, 33=1, 75=1, 88=1, 126=1, 148=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {32=1, 74=1, 109=1, 140=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 8) seen :[3, 6, 5, 6, 8, 3, 4, 14]
Current structural bounds on expressions (after cover walk) : Max Seen:[99, 40, 271, 35, 353, 98, 893, 817] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:05:43] [INFO ] Flow matrix only has 154 transitions (discarded 80 similar events)
// Phase 1: matrix 154 rows 96 cols
[2024-05-31 21:05:43] [INFO ] Computed 3 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[99, 40, 271, 35, 353, 98, 893, 817] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1076 ms. (928 steps per ms)
BEST_FIRST walk for 8000008 steps (16 resets) in 5705 ms. (1402 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[134, 40, 292, 35, 353, 98, 893, 817] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:05:50] [INFO ] Flow matrix only has 154 transitions (discarded 80 similar events)
[2024-05-31 21:05:50] [INFO ] Invariant cache hit.
[2024-05-31 21:05:50] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:05:50] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:05:50] [INFO ] State equation strengthened by 30 read => feed constraints.
[2024-05-31 21:05:50] [INFO ] [Real]Added 30 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:05:50] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:05:50] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:05:50] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:05:50] [INFO ] [Nat]Added 30 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:05:50] [INFO ] Deduced a trap composed of 22 places in 46 ms of which 1 ms to minimize.
[2024-05-31 21:05:50] [INFO ] Deduced a trap composed of 24 places in 43 ms of which 1 ms to minimize.
[2024-05-31 21:05:50] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 101 ms
[2024-05-31 21:05:50] [INFO ] Computed and/alt/rep : 48/213/45 causal constraints (skipped 107 transitions) in 8 ms.
[2024-05-31 21:05:50] [INFO ] Added : 9 causal constraints over 3 iterations in 43 ms. Result :sat
Minimization took 27 ms.
[2024-05-31 21:05:50] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:05:50] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:05:50] [INFO ] [Real]Added 30 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:05:50] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:05:50] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:05:50] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:05:50] [INFO ] [Nat]Added 30 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:05:50] [INFO ] Deduced a trap composed of 25 places in 51 ms of which 1 ms to minimize.
[2024-05-31 21:05:50] [INFO ] Deduced a trap composed of 28 places in 50 ms of which 1 ms to minimize.
[2024-05-31 21:05:50] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 122 ms
[2024-05-31 21:05:50] [INFO ] Computed and/alt/rep : 48/213/45 causal constraints (skipped 107 transitions) in 11 ms.
[2024-05-31 21:05:51] [INFO ] Deduced a trap composed of 25 places in 50 ms of which 1 ms to minimize.
[2024-05-31 21:05:51] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 62 ms
[2024-05-31 21:05:51] [INFO ] Added : 6 causal constraints over 3 iterations in 107 ms. Result :sat
Minimization took 29 ms.
[2024-05-31 21:05:51] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:05:51] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:05:51] [INFO ] [Real]Added 30 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:05:51] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:05:51] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:05:51] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:05:51] [INFO ] [Nat]Added 30 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:05:51] [INFO ] Deduced a trap composed of 21 places in 45 ms of which 1 ms to minimize.
[2024-05-31 21:05:51] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 57 ms
[2024-05-31 21:05:51] [INFO ] Computed and/alt/rep : 48/213/45 causal constraints (skipped 107 transitions) in 13 ms.
[2024-05-31 21:05:51] [INFO ] Added : 16 causal constraints over 5 iterations in 67 ms. Result :sat
Minimization took 31 ms.
[2024-05-31 21:05:51] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:05:51] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:05:51] [INFO ] [Real]Added 30 Read/Feed constraints in 8 ms returned sat
[2024-05-31 21:05:51] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:05:51] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:05:51] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:05:51] [INFO ] [Nat]Added 30 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:05:51] [INFO ] Deduced a trap composed of 26 places in 50 ms of which 1 ms to minimize.
[2024-05-31 21:05:51] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 60 ms
[2024-05-31 21:05:51] [INFO ] Computed and/alt/rep : 48/213/45 causal constraints (skipped 107 transitions) in 13 ms.
[2024-05-31 21:05:51] [INFO ] Deduced a trap composed of 25 places in 54 ms of which 1 ms to minimize.
[2024-05-31 21:05:51] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 64 ms
[2024-05-31 21:05:51] [INFO ] Added : 6 causal constraints over 2 iterations in 103 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 21:05:51] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:05:51] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:05:51] [INFO ] [Real]Added 30 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:05:51] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:05:51] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:05:51] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:05:51] [INFO ] [Nat]Added 30 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:05:51] [INFO ] Deduced a trap composed of 25 places in 49 ms of which 1 ms to minimize.
[2024-05-31 21:05:51] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 66 ms
[2024-05-31 21:05:51] [INFO ] Computed and/alt/rep : 48/213/45 causal constraints (skipped 107 transitions) in 11 ms.
[2024-05-31 21:05:52] [INFO ] Added : 10 causal constraints over 4 iterations in 51 ms. Result :sat
Minimization took 30 ms.
[2024-05-31 21:05:52] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:05:52] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:05:52] [INFO ] [Real]Added 30 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:05:52] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:05:52] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:05:52] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:05:52] [INFO ] [Nat]Added 30 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:05:52] [INFO ] Computed and/alt/rep : 48/213/45 causal constraints (skipped 107 transitions) in 9 ms.
[2024-05-31 21:05:52] [INFO ] Added : 14 causal constraints over 4 iterations in 50 ms. Result :sat
Minimization took 29 ms.
[2024-05-31 21:05:52] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:05:52] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:05:52] [INFO ] [Real]Added 30 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:05:52] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:05:52] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:05:52] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:05:52] [INFO ] [Nat]Added 30 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:05:52] [INFO ] Deduced a trap composed of 22 places in 52 ms of which 1 ms to minimize.
[2024-05-31 21:05:52] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 62 ms
[2024-05-31 21:05:52] [INFO ] Computed and/alt/rep : 48/213/45 causal constraints (skipped 107 transitions) in 12 ms.
[2024-05-31 21:05:52] [INFO ] Added : 20 causal constraints over 6 iterations in 71 ms. Result :sat
Minimization took 29 ms.
[2024-05-31 21:05:52] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:05:52] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:05:52] [INFO ] [Real]Added 30 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:05:52] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:05:52] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:05:52] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:05:52] [INFO ] [Nat]Added 30 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:05:52] [INFO ] Deduced a trap composed of 28 places in 52 ms of which 1 ms to minimize.
[2024-05-31 21:05:52] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 64 ms
[2024-05-31 21:05:52] [INFO ] Computed and/alt/rep : 48/213/45 causal constraints (skipped 107 transitions) in 12 ms.
[2024-05-31 21:05:52] [INFO ] Added : 10 causal constraints over 4 iterations in 50 ms. Result :sat
Minimization took 30 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[134, 40, 292, 35, 353, 98, 893, 817] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[134, 40, 292, 35, 353, 98, 893, 817] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 8 out of 96 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 96/96 places, 234/234 transitions.
Applied a total of 0 rules in 4 ms. Remains 96 /96 variables (removed 0) and now considering 234/234 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 96/96 places, 234/234 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 96/96 places, 234/234 transitions.
Applied a total of 0 rules in 3 ms. Remains 96 /96 variables (removed 0) and now considering 234/234 (removed 0) transitions.
[2024-05-31 21:05:54] [INFO ] Flow matrix only has 154 transitions (discarded 80 similar events)
[2024-05-31 21:05:54] [INFO ] Invariant cache hit.
[2024-05-31 21:05:54] [INFO ] Implicit Places using invariants in 68 ms returned []
[2024-05-31 21:05:54] [INFO ] Flow matrix only has 154 transitions (discarded 80 similar events)
[2024-05-31 21:05:54] [INFO ] Invariant cache hit.
[2024-05-31 21:05:54] [INFO ] State equation strengthened by 30 read => feed constraints.
[2024-05-31 21:05:54] [INFO ] Implicit Places using invariants and state equation in 129 ms returned []
Implicit Place search using SMT with State Equation took 198 ms to find 0 implicit places.
[2024-05-31 21:05:54] [INFO ] Redundant transitions in 1 ms returned []
Running 232 sub problems to find dead transitions.
[2024-05-31 21:05:54] [INFO ] Flow matrix only has 154 transitions (discarded 80 similar events)
[2024-05-31 21:05:54] [INFO ] Invariant cache hit.
[2024-05-31 21:05:54] [INFO ] State equation strengthened by 30 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/96 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 232 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/96 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 232 unsolved
At refinement iteration 2 (OVERLAPS) 154/250 variables, 96/99 constraints. Problems are: Problem set: 0 solved, 232 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/250 variables, 30/129 constraints. Problems are: Problem set: 0 solved, 232 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/250 variables, 0/129 constraints. Problems are: Problem set: 0 solved, 232 unsolved
At refinement iteration 5 (OVERLAPS) 0/250 variables, 0/129 constraints. Problems are: Problem set: 0 solved, 232 unsolved
No progress, stopping.
After SMT solving in domain Real declared 250/250 variables, and 129 constraints, problems are : Problem set: 0 solved, 232 unsolved in 3864 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 96/96 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 232/232 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 232 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/96 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 232 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/96 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 232 unsolved
At refinement iteration 2 (OVERLAPS) 154/250 variables, 96/99 constraints. Problems are: Problem set: 0 solved, 232 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/250 variables, 30/129 constraints. Problems are: Problem set: 0 solved, 232 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/250 variables, 232/361 constraints. Problems are: Problem set: 0 solved, 232 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/250 variables, 0/361 constraints. Problems are: Problem set: 0 solved, 232 unsolved
At refinement iteration 6 (OVERLAPS) 0/250 variables, 0/361 constraints. Problems are: Problem set: 0 solved, 232 unsolved
No progress, stopping.
After SMT solving in domain Int declared 250/250 variables, and 361 constraints, problems are : Problem set: 0 solved, 232 unsolved in 7417 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 96/96 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 232/232 constraints, Known Traps: 0/0 constraints]
After SMT, in 11423ms problems are : Problem set: 0 solved, 232 unsolved
Search for dead transitions found 0 dead transitions in 11427ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11640 ms. Remains : 96/96 places, 234/234 transitions.
[2024-05-31 21:06:06] [INFO ] Flow matrix only has 154 transitions (discarded 80 similar events)
Found an invariant !
This invariant on transitions {25=1, 33=1, 75=1, 88=1, 126=1, 148=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {32=1, 74=1, 109=1, 140=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 8) seen :[4, 7, 4, 9, 7, 3, 7, 2147483647]
Current structural bounds on expressions (after cover walk) : Max Seen:[134, 40, 292, 35, 353, 98, 893, +inf] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:06:06] [INFO ] Flow matrix only has 154 transitions (discarded 80 similar events)
[2024-05-31 21:06:06] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[134, 40, 292, 35, 353, 98, 893, +inf] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000002 steps (2 resets) in 1013 ms. (986 steps per ms)
FORMULA FunctionPointer-PT-b032-UpperBounds-15 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 7000007 steps (14 resets) in 5429 ms. (1289 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[134, 40, 292, 35, 353, 98, 893] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:06:12] [INFO ] Flow matrix only has 154 transitions (discarded 80 similar events)
[2024-05-31 21:06:12] [INFO ] Invariant cache hit.
[2024-05-31 21:06:12] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:06:12] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:06:12] [INFO ] State equation strengthened by 30 read => feed constraints.
[2024-05-31 21:06:12] [INFO ] [Real]Added 30 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:06:12] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:06:12] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:06:12] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:06:12] [INFO ] [Nat]Added 30 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:06:12] [INFO ] Deduced a trap composed of 22 places in 52 ms of which 1 ms to minimize.
[2024-05-31 21:06:13] [INFO ] Deduced a trap composed of 24 places in 46 ms of which 1 ms to minimize.
[2024-05-31 21:06:13] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 112 ms
[2024-05-31 21:06:13] [INFO ] Computed and/alt/rep : 48/213/45 causal constraints (skipped 107 transitions) in 10 ms.
[2024-05-31 21:06:13] [INFO ] Added : 9 causal constraints over 3 iterations in 51 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 21:06:13] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:06:13] [INFO ] [Real]Absence check using state equation in 36 ms returned sat
[2024-05-31 21:06:13] [INFO ] [Real]Added 30 Read/Feed constraints in 9 ms returned sat
[2024-05-31 21:06:13] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:06:13] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:06:13] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:06:13] [INFO ] [Nat]Added 30 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:06:13] [INFO ] Deduced a trap composed of 25 places in 46 ms of which 1 ms to minimize.
[2024-05-31 21:06:13] [INFO ] Deduced a trap composed of 28 places in 43 ms of which 1 ms to minimize.
[2024-05-31 21:06:13] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 108 ms
[2024-05-31 21:06:13] [INFO ] Computed and/alt/rep : 48/213/45 causal constraints (skipped 107 transitions) in 9 ms.
[2024-05-31 21:06:13] [INFO ] Deduced a trap composed of 25 places in 46 ms of which 1 ms to minimize.
[2024-05-31 21:06:13] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 58 ms
[2024-05-31 21:06:13] [INFO ] Added : 6 causal constraints over 3 iterations in 101 ms. Result :sat
Minimization took 29 ms.
[2024-05-31 21:06:13] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:06:13] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:06:13] [INFO ] [Real]Added 30 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:06:13] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:06:13] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:06:13] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2024-05-31 21:06:13] [INFO ] [Nat]Added 30 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:06:13] [INFO ] Deduced a trap composed of 21 places in 54 ms of which 1 ms to minimize.
[2024-05-31 21:06:13] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 63 ms
[2024-05-31 21:06:13] [INFO ] Computed and/alt/rep : 48/213/45 causal constraints (skipped 107 transitions) in 8 ms.
[2024-05-31 21:06:13] [INFO ] Added : 16 causal constraints over 5 iterations in 57 ms. Result :sat
Minimization took 31 ms.
[2024-05-31 21:06:13] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:06:13] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:06:13] [INFO ] [Real]Added 30 Read/Feed constraints in 7 ms returned sat
[2024-05-31 21:06:13] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:06:13] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:06:13] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2024-05-31 21:06:13] [INFO ] [Nat]Added 30 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:06:14] [INFO ] Deduced a trap composed of 26 places in 53 ms of which 1 ms to minimize.
[2024-05-31 21:06:14] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 65 ms
[2024-05-31 21:06:14] [INFO ] Computed and/alt/rep : 48/213/45 causal constraints (skipped 107 transitions) in 10 ms.
[2024-05-31 21:06:14] [INFO ] Deduced a trap composed of 25 places in 52 ms of which 1 ms to minimize.
[2024-05-31 21:06:14] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 62 ms
[2024-05-31 21:06:14] [INFO ] Added : 6 causal constraints over 2 iterations in 98 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 21:06:14] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:06:14] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:06:14] [INFO ] [Real]Added 30 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:06:14] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:06:14] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:06:14] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:06:14] [INFO ] [Nat]Added 30 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:06:14] [INFO ] Deduced a trap composed of 25 places in 50 ms of which 1 ms to minimize.
[2024-05-31 21:06:14] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 69 ms
[2024-05-31 21:06:14] [INFO ] Computed and/alt/rep : 48/213/45 causal constraints (skipped 107 transitions) in 10 ms.
[2024-05-31 21:06:14] [INFO ] Added : 10 causal constraints over 4 iterations in 52 ms. Result :sat
Minimization took 37 ms.
[2024-05-31 21:06:14] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:06:14] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:06:14] [INFO ] [Real]Added 30 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:06:14] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:06:14] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:06:14] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-31 21:06:14] [INFO ] [Nat]Added 30 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:06:14] [INFO ] Computed and/alt/rep : 48/213/45 causal constraints (skipped 107 transitions) in 9 ms.
[2024-05-31 21:06:14] [INFO ] Added : 14 causal constraints over 4 iterations in 51 ms. Result :sat
Minimization took 26 ms.
[2024-05-31 21:06:14] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:06:14] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:06:14] [INFO ] [Real]Added 30 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:06:14] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:06:14] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:06:14] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:06:14] [INFO ] [Nat]Added 30 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:06:14] [INFO ] Deduced a trap composed of 22 places in 51 ms of which 1 ms to minimize.
[2024-05-31 21:06:14] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 60 ms
[2024-05-31 21:06:14] [INFO ] Computed and/alt/rep : 48/213/45 causal constraints (skipped 107 transitions) in 9 ms.
[2024-05-31 21:06:14] [INFO ] Added : 20 causal constraints over 6 iterations in 64 ms. Result :sat
Minimization took 29 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[134, 40, 292, 35, 353, 98, 893] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[134, 40, 292, 35, 353, 98, 893] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 7 out of 96 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 96/96 places, 234/234 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 95 transition count 232
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 95 transition count 232
Applied a total of 2 rules in 5 ms. Remains 95 /96 variables (removed 1) and now considering 232/234 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 95/96 places, 232/234 transitions.
[2024-05-31 21:06:16] [INFO ] Flow matrix only has 151 transitions (discarded 81 similar events)
Found an invariant !
This invariant on transitions {34=1, 75=1, 126=1, 146=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {35=1, 76=1, 111=1, 143=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 7) seen :[4, 3, 4, 5, 9, 3, 14]
Current structural bounds on expressions (after cover walk) : Max Seen:[134, 40, 292, 35, 353, 98, 893] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:06:16] [INFO ] Flow matrix only has 151 transitions (discarded 81 similar events)
// Phase 1: matrix 151 rows 95 cols
[2024-05-31 21:06:16] [INFO ] Computed 3 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[134, 40, 292, 35, 353, 98, 893] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000001 steps (2 resets) in 961 ms. (1039 steps per ms)
BEST_FIRST walk for 7000007 steps (14 resets) in 4899 ms. (1428 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[134, 40, 292, 35, 353, 110, 893] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:06:22] [INFO ] Flow matrix only has 151 transitions (discarded 81 similar events)
[2024-05-31 21:06:22] [INFO ] Invariant cache hit.
[2024-05-31 21:06:22] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:06:22] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:06:22] [INFO ] State equation strengthened by 28 read => feed constraints.
[2024-05-31 21:06:22] [INFO ] [Real]Added 28 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:06:22] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:06:22] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:06:22] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:06:22] [INFO ] [Nat]Added 28 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:06:22] [INFO ] Deduced a trap composed of 22 places in 63 ms of which 0 ms to minimize.
[2024-05-31 21:06:22] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 74 ms
[2024-05-31 21:06:22] [INFO ] Computed and/alt/rep : 64/341/60 causal constraints (skipped 89 transitions) in 9 ms.
[2024-05-31 21:06:22] [INFO ] Added : 19 causal constraints over 5 iterations in 64 ms. Result :sat
Minimization took 31 ms.
[2024-05-31 21:06:22] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:06:22] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:06:22] [INFO ] [Real]Added 28 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:06:22] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:06:23] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-31 21:06:23] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2024-05-31 21:06:23] [INFO ] [Nat]Added 28 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:06:23] [INFO ] Deduced a trap composed of 20 places in 58 ms of which 1 ms to minimize.
[2024-05-31 21:06:23] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 68 ms
[2024-05-31 21:06:23] [INFO ] Computed and/alt/rep : 64/341/60 causal constraints (skipped 89 transitions) in 8 ms.
[2024-05-31 21:06:23] [INFO ] Added : 9 causal constraints over 2 iterations in 31 ms. Result :sat
Minimization took 25 ms.
[2024-05-31 21:06:23] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:06:23] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-31 21:06:23] [INFO ] [Real]Added 28 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:06:23] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:06:23] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:06:23] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:06:23] [INFO ] [Nat]Added 28 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:06:23] [INFO ] Deduced a trap composed of 24 places in 61 ms of which 1 ms to minimize.
[2024-05-31 21:06:23] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 74 ms
[2024-05-31 21:06:23] [INFO ] Computed and/alt/rep : 64/341/60 causal constraints (skipped 89 transitions) in 10 ms.
[2024-05-31 21:06:23] [INFO ] Added : 17 causal constraints over 4 iterations in 56 ms. Result :sat
Minimization took 32 ms.
[2024-05-31 21:06:23] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:06:23] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:06:23] [INFO ] [Real]Added 28 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:06:23] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:06:23] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:06:23] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:06:23] [INFO ] [Nat]Added 28 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:06:23] [INFO ] Deduced a trap composed of 24 places in 66 ms of which 2 ms to minimize.
[2024-05-31 21:06:23] [INFO ] Deduced a trap composed of 19 places in 61 ms of which 1 ms to minimize.
[2024-05-31 21:06:23] [INFO ] Deduced a trap composed of 16 places in 42 ms of which 1 ms to minimize.
[2024-05-31 21:06:23] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 194 ms
[2024-05-31 21:06:23] [INFO ] Computed and/alt/rep : 64/341/60 causal constraints (skipped 89 transitions) in 13 ms.
[2024-05-31 21:06:23] [INFO ] Added : 5 causal constraints over 2 iterations in 47 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 21:06:23] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:06:24] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:06:24] [INFO ] [Real]Added 28 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:06:24] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:06:24] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:06:24] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:06:24] [INFO ] [Nat]Added 28 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:06:24] [INFO ] Deduced a trap composed of 24 places in 51 ms of which 1 ms to minimize.
[2024-05-31 21:06:24] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 64 ms
[2024-05-31 21:06:24] [INFO ] Computed and/alt/rep : 64/341/60 causal constraints (skipped 89 transitions) in 11 ms.
[2024-05-31 21:06:24] [INFO ] Added : 17 causal constraints over 7 iterations in 74 ms. Result :sat
Minimization took 30 ms.
[2024-05-31 21:06:24] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:06:24] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:06:24] [INFO ] [Real]Added 28 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:06:24] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:06:24] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:06:24] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:06:24] [INFO ] [Nat]Added 28 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:06:24] [INFO ] Deduced a trap composed of 24 places in 50 ms of which 1 ms to minimize.
[2024-05-31 21:06:24] [INFO ] Deduced a trap composed of 20 places in 50 ms of which 1 ms to minimize.
[2024-05-31 21:06:24] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 124 ms
[2024-05-31 21:06:24] [INFO ] Computed and/alt/rep : 64/341/60 causal constraints (skipped 89 transitions) in 9 ms.
[2024-05-31 21:06:24] [INFO ] Added : 21 causal constraints over 6 iterations in 69 ms. Result :sat
Minimization took 29 ms.
[2024-05-31 21:06:24] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:06:24] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:06:24] [INFO ] [Real]Added 28 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:06:24] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:06:24] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:06:24] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:06:24] [INFO ] [Nat]Added 28 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:06:24] [INFO ] Deduced a trap composed of 24 places in 51 ms of which 1 ms to minimize.
[2024-05-31 21:06:24] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 59 ms
[2024-05-31 21:06:24] [INFO ] Computed and/alt/rep : 64/341/60 causal constraints (skipped 89 transitions) in 9 ms.
[2024-05-31 21:06:24] [INFO ] Added : 14 causal constraints over 6 iterations in 59 ms. Result :sat
Minimization took 29 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[134, 40, 292, 35, 353, 110, 893] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[134, 40, 292, 35, 353, 110, 1164] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 7 out of 95 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 95/95 places, 232/232 transitions.
Applied a total of 0 rules in 5 ms. Remains 95 /95 variables (removed 0) and now considering 232/232 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 95/95 places, 232/232 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 95/95 places, 232/232 transitions.
Applied a total of 0 rules in 4 ms. Remains 95 /95 variables (removed 0) and now considering 232/232 (removed 0) transitions.
[2024-05-31 21:06:28] [INFO ] Flow matrix only has 151 transitions (discarded 81 similar events)
[2024-05-31 21:06:28] [INFO ] Invariant cache hit.
[2024-05-31 21:06:28] [INFO ] Implicit Places using invariants in 73 ms returned []
[2024-05-31 21:06:28] [INFO ] Flow matrix only has 151 transitions (discarded 81 similar events)
[2024-05-31 21:06:28] [INFO ] Invariant cache hit.
[2024-05-31 21:06:28] [INFO ] State equation strengthened by 28 read => feed constraints.
[2024-05-31 21:06:28] [INFO ] Implicit Places using invariants and state equation in 130 ms returned []
Implicit Place search using SMT with State Equation took 204 ms to find 0 implicit places.
[2024-05-31 21:06:28] [INFO ] Redundant transitions in 1 ms returned []
Running 230 sub problems to find dead transitions.
[2024-05-31 21:06:28] [INFO ] Flow matrix only has 151 transitions (discarded 81 similar events)
[2024-05-31 21:06:28] [INFO ] Invariant cache hit.
[2024-05-31 21:06:28] [INFO ] State equation strengthened by 28 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/95 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 230 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/95 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 230 unsolved
At refinement iteration 2 (OVERLAPS) 151/246 variables, 95/98 constraints. Problems are: Problem set: 0 solved, 230 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/246 variables, 28/126 constraints. Problems are: Problem set: 0 solved, 230 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/246 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 230 unsolved
At refinement iteration 5 (OVERLAPS) 0/246 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 230 unsolved
No progress, stopping.
After SMT solving in domain Real declared 246/246 variables, and 126 constraints, problems are : Problem set: 0 solved, 230 unsolved in 3831 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 95/95 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 230/230 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 230 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/95 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 230 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/95 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 230 unsolved
At refinement iteration 2 (OVERLAPS) 151/246 variables, 95/98 constraints. Problems are: Problem set: 0 solved, 230 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/246 variables, 28/126 constraints. Problems are: Problem set: 0 solved, 230 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/246 variables, 230/356 constraints. Problems are: Problem set: 0 solved, 230 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/246 variables, 0/356 constraints. Problems are: Problem set: 0 solved, 230 unsolved
At refinement iteration 6 (OVERLAPS) 0/246 variables, 0/356 constraints. Problems are: Problem set: 0 solved, 230 unsolved
No progress, stopping.
After SMT solving in domain Int declared 246/246 variables, and 356 constraints, problems are : Problem set: 0 solved, 230 unsolved in 7254 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 95/95 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 230/230 constraints, Known Traps: 0/0 constraints]
After SMT, in 11265ms problems are : Problem set: 0 solved, 230 unsolved
Search for dead transitions found 0 dead transitions in 11268ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11481 ms. Remains : 95/95 places, 232/232 transitions.
[2024-05-31 21:06:39] [INFO ] Flow matrix only has 151 transitions (discarded 81 similar events)
Found an invariant !
This invariant on transitions {34=1, 75=1, 126=1, 146=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {35=1, 76=1, 111=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 7) seen :[2, 3, 4, 4, 6, 2, 10]
Current structural bounds on expressions (after cover walk) : Max Seen:[134, 40, 292, 35, 353, 110, 1164] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:06:39] [INFO ] Flow matrix only has 151 transitions (discarded 81 similar events)
[2024-05-31 21:06:39] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[134, 40, 292, 35, 353, 110, 1164] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000001 steps (2 resets) in 1002 ms. (997 steps per ms)
BEST_FIRST walk for 7000007 steps (14 resets) in 5184 ms. (1350 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[134, 42, 399, 35, 353, 110, 1164] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:06:45] [INFO ] Flow matrix only has 151 transitions (discarded 81 similar events)
[2024-05-31 21:06:45] [INFO ] Invariant cache hit.
[2024-05-31 21:06:45] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:06:45] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:06:45] [INFO ] State equation strengthened by 28 read => feed constraints.
[2024-05-31 21:06:45] [INFO ] [Real]Added 28 Read/Feed constraints in 12 ms returned sat
[2024-05-31 21:06:46] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:06:46] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:06:46] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:06:46] [INFO ] [Nat]Added 28 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:06:46] [INFO ] Deduced a trap composed of 22 places in 70 ms of which 1 ms to minimize.
[2024-05-31 21:06:46] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 100 ms
[2024-05-31 21:06:46] [INFO ] Computed and/alt/rep : 64/341/60 causal constraints (skipped 89 transitions) in 10 ms.
[2024-05-31 21:06:46] [INFO ] Added : 19 causal constraints over 5 iterations in 65 ms. Result :sat
Minimization took 29 ms.
[2024-05-31 21:06:46] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:06:46] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:06:46] [INFO ] [Real]Added 28 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:06:46] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:06:46] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:06:46] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2024-05-31 21:06:46] [INFO ] [Nat]Added 28 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:06:46] [INFO ] Deduced a trap composed of 20 places in 70 ms of which 4 ms to minimize.
[2024-05-31 21:06:46] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 95 ms
[2024-05-31 21:06:46] [INFO ] Computed and/alt/rep : 64/341/60 causal constraints (skipped 89 transitions) in 7 ms.
[2024-05-31 21:06:46] [INFO ] Added : 9 causal constraints over 2 iterations in 31 ms. Result :sat
Minimization took 27 ms.
[2024-05-31 21:06:46] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:06:46] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:06:46] [INFO ] [Real]Added 28 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:06:46] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:06:46] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:06:46] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:06:46] [INFO ] [Nat]Added 28 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:06:46] [INFO ] Deduced a trap composed of 24 places in 49 ms of which 1 ms to minimize.
[2024-05-31 21:06:46] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 63 ms
[2024-05-31 21:06:46] [INFO ] Computed and/alt/rep : 64/341/60 causal constraints (skipped 89 transitions) in 9 ms.
[2024-05-31 21:06:46] [INFO ] Added : 17 causal constraints over 4 iterations in 51 ms. Result :sat
Minimization took 31 ms.
[2024-05-31 21:06:46] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-31 21:06:46] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:06:46] [INFO ] [Real]Added 28 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:06:46] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:06:47] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:06:47] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:06:47] [INFO ] [Nat]Added 28 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:06:47] [INFO ] Deduced a trap composed of 24 places in 70 ms of which 1 ms to minimize.
[2024-05-31 21:06:47] [INFO ] Deduced a trap composed of 19 places in 65 ms of which 1 ms to minimize.
[2024-05-31 21:06:47] [INFO ] Deduced a trap composed of 16 places in 57 ms of which 1 ms to minimize.
[2024-05-31 21:06:47] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 225 ms
[2024-05-31 21:06:47] [INFO ] Computed and/alt/rep : 64/341/60 causal constraints (skipped 89 transitions) in 7 ms.
[2024-05-31 21:06:47] [INFO ] Added : 5 causal constraints over 2 iterations in 33 ms. Result :sat
Minimization took 27 ms.
[2024-05-31 21:06:47] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:06:47] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:06:47] [INFO ] [Real]Added 28 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:06:47] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:06:47] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:06:47] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:06:47] [INFO ] [Nat]Added 28 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:06:47] [INFO ] Deduced a trap composed of 24 places in 44 ms of which 0 ms to minimize.
[2024-05-31 21:06:47] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 64 ms
[2024-05-31 21:06:47] [INFO ] Computed and/alt/rep : 64/341/60 causal constraints (skipped 89 transitions) in 8 ms.
[2024-05-31 21:06:47] [INFO ] Added : 17 causal constraints over 7 iterations in 65 ms. Result :sat
Minimization took 31 ms.
[2024-05-31 21:06:47] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:06:47] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:06:47] [INFO ] [Real]Added 28 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:06:47] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:06:47] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:06:47] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:06:47] [INFO ] [Nat]Added 28 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:06:47] [INFO ] Deduced a trap composed of 24 places in 58 ms of which 1 ms to minimize.
[2024-05-31 21:06:47] [INFO ] Deduced a trap composed of 20 places in 57 ms of which 1 ms to minimize.
[2024-05-31 21:06:47] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 128 ms
[2024-05-31 21:06:47] [INFO ] Computed and/alt/rep : 64/341/60 causal constraints (skipped 89 transitions) in 8 ms.
[2024-05-31 21:06:48] [INFO ] Added : 21 causal constraints over 6 iterations in 66 ms. Result :sat
Minimization took 33 ms.
[2024-05-31 21:06:48] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:06:48] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:06:48] [INFO ] [Real]Added 28 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:06:48] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:06:48] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:06:48] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:06:48] [INFO ] [Nat]Added 28 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:06:48] [INFO ] Deduced a trap composed of 24 places in 62 ms of which 1 ms to minimize.
[2024-05-31 21:06:48] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 71 ms
[2024-05-31 21:06:48] [INFO ] Computed and/alt/rep : 64/341/60 causal constraints (skipped 89 transitions) in 7 ms.
[2024-05-31 21:06:48] [INFO ] Added : 14 causal constraints over 6 iterations in 65 ms. Result :sat
Minimization took 29 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[134, 42, 399, 35, 353, 110, 1164] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[134, 42, 399, 35, 381, 110, 1164] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 7 out of 95 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 95/95 places, 232/232 transitions.
Applied a total of 0 rules in 3 ms. Remains 95 /95 variables (removed 0) and now considering 232/232 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 95/95 places, 232/232 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 95/95 places, 232/232 transitions.
Applied a total of 0 rules in 3 ms. Remains 95 /95 variables (removed 0) and now considering 232/232 (removed 0) transitions.
[2024-05-31 21:06:52] [INFO ] Flow matrix only has 151 transitions (discarded 81 similar events)
[2024-05-31 21:06:52] [INFO ] Invariant cache hit.
[2024-05-31 21:06:52] [INFO ] Implicit Places using invariants in 71 ms returned []
[2024-05-31 21:06:52] [INFO ] Flow matrix only has 151 transitions (discarded 81 similar events)
[2024-05-31 21:06:52] [INFO ] Invariant cache hit.
[2024-05-31 21:06:52] [INFO ] State equation strengthened by 28 read => feed constraints.
[2024-05-31 21:06:52] [INFO ] Implicit Places using invariants and state equation in 125 ms returned []
Implicit Place search using SMT with State Equation took 232 ms to find 0 implicit places.
[2024-05-31 21:06:52] [INFO ] Redundant transitions in 1 ms returned []
Running 230 sub problems to find dead transitions.
[2024-05-31 21:06:52] [INFO ] Flow matrix only has 151 transitions (discarded 81 similar events)
[2024-05-31 21:06:52] [INFO ] Invariant cache hit.
[2024-05-31 21:06:52] [INFO ] State equation strengthened by 28 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/95 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 230 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/95 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 230 unsolved
At refinement iteration 2 (OVERLAPS) 151/246 variables, 95/98 constraints. Problems are: Problem set: 0 solved, 230 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/246 variables, 28/126 constraints. Problems are: Problem set: 0 solved, 230 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/246 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 230 unsolved
At refinement iteration 5 (OVERLAPS) 0/246 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 230 unsolved
No progress, stopping.
After SMT solving in domain Real declared 246/246 variables, and 126 constraints, problems are : Problem set: 0 solved, 230 unsolved in 3753 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 95/95 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 230/230 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 230 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/95 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 230 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/95 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 230 unsolved
At refinement iteration 2 (OVERLAPS) 151/246 variables, 95/98 constraints. Problems are: Problem set: 0 solved, 230 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/246 variables, 28/126 constraints. Problems are: Problem set: 0 solved, 230 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/246 variables, 230/356 constraints. Problems are: Problem set: 0 solved, 230 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/246 variables, 0/356 constraints. Problems are: Problem set: 0 solved, 230 unsolved
At refinement iteration 6 (OVERLAPS) 0/246 variables, 0/356 constraints. Problems are: Problem set: 0 solved, 230 unsolved
No progress, stopping.
After SMT solving in domain Int declared 246/246 variables, and 356 constraints, problems are : Problem set: 0 solved, 230 unsolved in 7212 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 95/95 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 230/230 constraints, Known Traps: 0/0 constraints]
After SMT, in 11119ms problems are : Problem set: 0 solved, 230 unsolved
Search for dead transitions found 0 dead transitions in 11121ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11361 ms. Remains : 95/95 places, 232/232 transitions.
[2024-05-31 21:07:03] [INFO ] Flow matrix only has 151 transitions (discarded 81 similar events)
Found an invariant !
This invariant on transitions {34=1, 75=1, 126=1, 146=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {35=1, 76=1, 111=1, 143=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 28 ms. (steps per millisecond=357 ) properties (out of 7) seen :[3, 5, 5, 6, 6, 3, 9]
Current structural bounds on expressions (after cover walk) : Max Seen:[134, 42, 399, 35, 381, 110, 1164] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:07:03] [INFO ] Flow matrix only has 151 transitions (discarded 81 similar events)
[2024-05-31 21:07:03] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[134, 42, 399, 35, 381, 110, 1164] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1083 ms. (922 steps per ms)
BEST_FIRST walk for 7000007 steps (14 resets) in 4889 ms. (1431 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[134, 42, 399, 35, 381, 110, 1164] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:07:09] [INFO ] Flow matrix only has 151 transitions (discarded 81 similar events)
[2024-05-31 21:07:09] [INFO ] Invariant cache hit.
[2024-05-31 21:07:09] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:07:09] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:07:09] [INFO ] State equation strengthened by 28 read => feed constraints.
[2024-05-31 21:07:09] [INFO ] [Real]Added 28 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:07:09] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:07:09] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:07:09] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:07:09] [INFO ] [Nat]Added 28 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:07:09] [INFO ] Deduced a trap composed of 22 places in 45 ms of which 2 ms to minimize.
[2024-05-31 21:07:09] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 70 ms
[2024-05-31 21:07:09] [INFO ] Computed and/alt/rep : 64/341/60 causal constraints (skipped 89 transitions) in 9 ms.
[2024-05-31 21:07:09] [INFO ] Added : 19 causal constraints over 5 iterations in 62 ms. Result :sat
Minimization took 32 ms.
[2024-05-31 21:07:09] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:07:09] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:07:09] [INFO ] [Real]Added 28 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:07:09] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:07:09] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:07:09] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:07:09] [INFO ] [Nat]Added 28 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:07:10] [INFO ] Deduced a trap composed of 20 places in 58 ms of which 1 ms to minimize.
[2024-05-31 21:07:10] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 67 ms
[2024-05-31 21:07:10] [INFO ] Computed and/alt/rep : 64/341/60 causal constraints (skipped 89 transitions) in 8 ms.
[2024-05-31 21:07:10] [INFO ] Added : 9 causal constraints over 2 iterations in 32 ms. Result :sat
Minimization took 26 ms.
[2024-05-31 21:07:10] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:07:10] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:07:10] [INFO ] [Real]Added 28 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:07:10] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:07:10] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:07:10] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:07:10] [INFO ] [Nat]Added 28 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:07:10] [INFO ] Deduced a trap composed of 24 places in 67 ms of which 1 ms to minimize.
[2024-05-31 21:07:10] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 76 ms
[2024-05-31 21:07:10] [INFO ] Computed and/alt/rep : 64/341/60 causal constraints (skipped 89 transitions) in 8 ms.
[2024-05-31 21:07:10] [INFO ] Added : 17 causal constraints over 4 iterations in 67 ms. Result :sat
Minimization took 36 ms.
[2024-05-31 21:07:10] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:07:10] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2024-05-31 21:07:10] [INFO ] [Real]Added 28 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:07:10] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:07:10] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:07:10] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2024-05-31 21:07:10] [INFO ] [Nat]Added 28 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:07:10] [INFO ] Deduced a trap composed of 24 places in 47 ms of which 1 ms to minimize.
[2024-05-31 21:07:10] [INFO ] Deduced a trap composed of 19 places in 67 ms of which 1 ms to minimize.
[2024-05-31 21:07:10] [INFO ] Deduced a trap composed of 16 places in 62 ms of which 0 ms to minimize.
[2024-05-31 21:07:10] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 200 ms
[2024-05-31 21:07:10] [INFO ] Computed and/alt/rep : 64/341/60 causal constraints (skipped 89 transitions) in 8 ms.
[2024-05-31 21:07:10] [INFO ] Added : 5 causal constraints over 2 iterations in 30 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 21:07:10] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:07:10] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:07:10] [INFO ] [Real]Added 28 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:07:10] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:07:10] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:07:10] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:07:10] [INFO ] [Nat]Added 28 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:07:11] [INFO ] Deduced a trap composed of 24 places in 64 ms of which 1 ms to minimize.
[2024-05-31 21:07:11] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 84 ms
[2024-05-31 21:07:11] [INFO ] Computed and/alt/rep : 64/341/60 causal constraints (skipped 89 transitions) in 8 ms.
[2024-05-31 21:07:11] [INFO ] Added : 17 causal constraints over 7 iterations in 69 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 21:07:11] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:07:11] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:07:11] [INFO ] [Real]Added 28 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:07:11] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:07:11] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:07:11] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:07:11] [INFO ] [Nat]Added 28 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:07:11] [INFO ] Deduced a trap composed of 24 places in 47 ms of which 3 ms to minimize.
[2024-05-31 21:07:11] [INFO ] Deduced a trap composed of 20 places in 54 ms of which 1 ms to minimize.
[2024-05-31 21:07:11] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 120 ms
[2024-05-31 21:07:11] [INFO ] Computed and/alt/rep : 64/341/60 causal constraints (skipped 89 transitions) in 10 ms.
[2024-05-31 21:07:11] [INFO ] Added : 21 causal constraints over 6 iterations in 68 ms. Result :sat
Minimization took 31 ms.
[2024-05-31 21:07:11] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:07:11] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2024-05-31 21:07:11] [INFO ] [Real]Added 28 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:07:11] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:07:11] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:07:11] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:07:11] [INFO ] [Nat]Added 28 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:07:11] [INFO ] Deduced a trap composed of 24 places in 60 ms of which 1 ms to minimize.
[2024-05-31 21:07:11] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 79 ms
[2024-05-31 21:07:11] [INFO ] Computed and/alt/rep : 64/341/60 causal constraints (skipped 89 transitions) in 10 ms.
[2024-05-31 21:07:11] [INFO ] Added : 14 causal constraints over 6 iterations in 70 ms. Result :sat
Minimization took 42 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[134, 42, 399, 35, 381, 110, 1164] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[135, 42, 399, 35, 381, 110, 1164] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 7 out of 95 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 95/95 places, 232/232 transitions.
Applied a total of 0 rules in 3 ms. Remains 95 /95 variables (removed 0) and now considering 232/232 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 95/95 places, 232/232 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 95/95 places, 232/232 transitions.
Applied a total of 0 rules in 3 ms. Remains 95 /95 variables (removed 0) and now considering 232/232 (removed 0) transitions.
[2024-05-31 21:07:15] [INFO ] Flow matrix only has 151 transitions (discarded 81 similar events)
[2024-05-31 21:07:15] [INFO ] Invariant cache hit.
[2024-05-31 21:07:15] [INFO ] Implicit Places using invariants in 65 ms returned []
[2024-05-31 21:07:15] [INFO ] Flow matrix only has 151 transitions (discarded 81 similar events)
[2024-05-31 21:07:15] [INFO ] Invariant cache hit.
[2024-05-31 21:07:15] [INFO ] State equation strengthened by 28 read => feed constraints.
[2024-05-31 21:07:15] [INFO ] Implicit Places using invariants and state equation in 140 ms returned []
Implicit Place search using SMT with State Equation took 237 ms to find 0 implicit places.
[2024-05-31 21:07:15] [INFO ] Redundant transitions in 0 ms returned []
Running 230 sub problems to find dead transitions.
[2024-05-31 21:07:15] [INFO ] Flow matrix only has 151 transitions (discarded 81 similar events)
[2024-05-31 21:07:15] [INFO ] Invariant cache hit.
[2024-05-31 21:07:15] [INFO ] State equation strengthened by 28 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/95 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 230 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/95 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 230 unsolved
At refinement iteration 2 (OVERLAPS) 151/246 variables, 95/98 constraints. Problems are: Problem set: 0 solved, 230 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/246 variables, 28/126 constraints. Problems are: Problem set: 0 solved, 230 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/246 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 230 unsolved
At refinement iteration 5 (OVERLAPS) 0/246 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 230 unsolved
No progress, stopping.
After SMT solving in domain Real declared 246/246 variables, and 126 constraints, problems are : Problem set: 0 solved, 230 unsolved in 3860 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 95/95 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 230/230 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 230 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/95 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 230 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/95 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 230 unsolved
At refinement iteration 2 (OVERLAPS) 151/246 variables, 95/98 constraints. Problems are: Problem set: 0 solved, 230 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/246 variables, 28/126 constraints. Problems are: Problem set: 0 solved, 230 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/246 variables, 230/356 constraints. Problems are: Problem set: 0 solved, 230 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/246 variables, 0/356 constraints. Problems are: Problem set: 0 solved, 230 unsolved
At refinement iteration 6 (OVERLAPS) 0/246 variables, 0/356 constraints. Problems are: Problem set: 0 solved, 230 unsolved
No progress, stopping.
After SMT solving in domain Int declared 246/246 variables, and 356 constraints, problems are : Problem set: 0 solved, 230 unsolved in 6965 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 95/95 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 230/230 constraints, Known Traps: 0/0 constraints]
After SMT, in 10967ms problems are : Problem set: 0 solved, 230 unsolved
Search for dead transitions found 0 dead transitions in 10970ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11216 ms. Remains : 95/95 places, 232/232 transitions.
[2024-05-31 21:07:26] [INFO ] Flow matrix only has 151 transitions (discarded 81 similar events)
Found an invariant !
This invariant on transitions {34=1, 75=1, 126=1, 146=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {35=1, 76=1, 111=1, 143=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 7) seen :[3, 7, 4, 9, 9, 4, 8]
Current structural bounds on expressions (after cover walk) : Max Seen:[135, 42, 399, 35, 381, 110, 1164] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:07:26] [INFO ] Flow matrix only has 151 transitions (discarded 81 similar events)
[2024-05-31 21:07:26] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[135, 42, 399, 35, 381, 110, 1164] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1106 ms. (903 steps per ms)
BEST_FIRST walk for 7000007 steps (14 resets) in 4923 ms. (1421 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[135, 42, 399, 43, 381, 117, 1164] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:07:32] [INFO ] Flow matrix only has 151 transitions (discarded 81 similar events)
[2024-05-31 21:07:32] [INFO ] Invariant cache hit.
[2024-05-31 21:07:32] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:07:33] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:07:33] [INFO ] State equation strengthened by 28 read => feed constraints.
[2024-05-31 21:07:33] [INFO ] [Real]Added 28 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:07:33] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:07:33] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:07:33] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:07:33] [INFO ] [Nat]Added 28 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:07:33] [INFO ] Deduced a trap composed of 22 places in 46 ms of which 1 ms to minimize.
[2024-05-31 21:07:33] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 58 ms
[2024-05-31 21:07:33] [INFO ] Computed and/alt/rep : 64/341/60 causal constraints (skipped 89 transitions) in 11 ms.
[2024-05-31 21:07:33] [INFO ] Added : 19 causal constraints over 5 iterations in 62 ms. Result :sat
Minimization took 30 ms.
[2024-05-31 21:07:33] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:07:33] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:07:33] [INFO ] [Real]Added 28 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:07:33] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:07:33] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:07:33] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:07:33] [INFO ] [Nat]Added 28 Read/Feed constraints in 10 ms returned sat
[2024-05-31 21:07:33] [INFO ] Deduced a trap composed of 20 places in 48 ms of which 1 ms to minimize.
[2024-05-31 21:07:33] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 63 ms
[2024-05-31 21:07:33] [INFO ] Computed and/alt/rep : 64/341/60 causal constraints (skipped 89 transitions) in 11 ms.
[2024-05-31 21:07:33] [INFO ] Added : 9 causal constraints over 2 iterations in 35 ms. Result :sat
Minimization took 30 ms.
[2024-05-31 21:07:33] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:07:33] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:07:33] [INFO ] [Real]Added 28 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:07:33] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:07:33] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:07:33] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:07:33] [INFO ] [Nat]Added 28 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:07:33] [INFO ] Deduced a trap composed of 24 places in 49 ms of which 1 ms to minimize.
[2024-05-31 21:07:33] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 57 ms
[2024-05-31 21:07:33] [INFO ] Computed and/alt/rep : 64/341/60 causal constraints (skipped 89 transitions) in 9 ms.
[2024-05-31 21:07:33] [INFO ] Added : 17 causal constraints over 4 iterations in 53 ms. Result :sat
Minimization took 29 ms.
[2024-05-31 21:07:33] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:07:33] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:07:33] [INFO ] [Real]Added 28 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:07:33] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:07:33] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:07:33] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:07:33] [INFO ] [Nat]Added 28 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:07:34] [INFO ] Deduced a trap composed of 24 places in 50 ms of which 0 ms to minimize.
[2024-05-31 21:07:34] [INFO ] Deduced a trap composed of 19 places in 55 ms of which 1 ms to minimize.
[2024-05-31 21:07:34] [INFO ] Deduced a trap composed of 16 places in 50 ms of which 1 ms to minimize.
[2024-05-31 21:07:34] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 175 ms
[2024-05-31 21:07:34] [INFO ] Computed and/alt/rep : 64/341/60 causal constraints (skipped 89 transitions) in 8 ms.
[2024-05-31 21:07:34] [INFO ] Added : 5 causal constraints over 2 iterations in 30 ms. Result :sat
Minimization took 27 ms.
[2024-05-31 21:07:34] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:07:34] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2024-05-31 21:07:34] [INFO ] [Real]Added 28 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:07:34] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:07:34] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:07:34] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2024-05-31 21:07:34] [INFO ] [Nat]Added 28 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:07:34] [INFO ] Deduced a trap composed of 24 places in 52 ms of which 0 ms to minimize.
[2024-05-31 21:07:34] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 67 ms
[2024-05-31 21:07:34] [INFO ] Computed and/alt/rep : 64/341/60 causal constraints (skipped 89 transitions) in 12 ms.
[2024-05-31 21:07:34] [INFO ] Added : 17 causal constraints over 7 iterations in 68 ms. Result :sat
Minimization took 30 ms.
[2024-05-31 21:07:34] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:07:34] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:07:34] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:07:34] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:07:34] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:07:34] [INFO ] [Nat]Added 28 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:07:34] [INFO ] Deduced a trap composed of 24 places in 48 ms of which 1 ms to minimize.
[2024-05-31 21:07:34] [INFO ] Deduced a trap composed of 20 places in 42 ms of which 1 ms to minimize.
[2024-05-31 21:07:34] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 104 ms
[2024-05-31 21:07:34] [INFO ] Computed and/alt/rep : 64/341/60 causal constraints (skipped 89 transitions) in 8 ms.
[2024-05-31 21:07:34] [INFO ] Added : 32 causal constraints over 8 iterations in 86 ms. Result :sat
Minimization took 36 ms.
[2024-05-31 21:07:34] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:07:34] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:07:34] [INFO ] [Real]Added 28 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:07:34] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:07:34] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:07:34] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:07:34] [INFO ] [Nat]Added 28 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:07:35] [INFO ] Deduced a trap composed of 24 places in 47 ms of which 1 ms to minimize.
[2024-05-31 21:07:35] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 56 ms
[2024-05-31 21:07:35] [INFO ] Computed and/alt/rep : 64/341/60 causal constraints (skipped 89 transitions) in 10 ms.
[2024-05-31 21:07:35] [INFO ] Added : 14 causal constraints over 6 iterations in 62 ms. Result :sat
Minimization took 29 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[135, 42, 399, 43, 381, 117, 1164] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[135, 42, 399, 43, 591, 117, 1164] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 7 out of 95 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 95/95 places, 232/232 transitions.
Applied a total of 0 rules in 3 ms. Remains 95 /95 variables (removed 0) and now considering 232/232 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 95/95 places, 232/232 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 95/95 places, 232/232 transitions.
Applied a total of 0 rules in 3 ms. Remains 95 /95 variables (removed 0) and now considering 232/232 (removed 0) transitions.
[2024-05-31 21:07:38] [INFO ] Flow matrix only has 151 transitions (discarded 81 similar events)
[2024-05-31 21:07:38] [INFO ] Invariant cache hit.
[2024-05-31 21:07:38] [INFO ] Implicit Places using invariants in 67 ms returned []
[2024-05-31 21:07:38] [INFO ] Flow matrix only has 151 transitions (discarded 81 similar events)
[2024-05-31 21:07:38] [INFO ] Invariant cache hit.
[2024-05-31 21:07:38] [INFO ] State equation strengthened by 28 read => feed constraints.
[2024-05-31 21:07:39] [INFO ] Implicit Places using invariants and state equation in 117 ms returned []
Implicit Place search using SMT with State Equation took 200 ms to find 0 implicit places.
[2024-05-31 21:07:39] [INFO ] Redundant transitions in 1 ms returned []
Running 230 sub problems to find dead transitions.
[2024-05-31 21:07:39] [INFO ] Flow matrix only has 151 transitions (discarded 81 similar events)
[2024-05-31 21:07:39] [INFO ] Invariant cache hit.
[2024-05-31 21:07:39] [INFO ] State equation strengthened by 28 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/95 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 230 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/95 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 230 unsolved
At refinement iteration 2 (OVERLAPS) 151/246 variables, 95/98 constraints. Problems are: Problem set: 0 solved, 230 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/246 variables, 28/126 constraints. Problems are: Problem set: 0 solved, 230 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/246 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 230 unsolved
At refinement iteration 5 (OVERLAPS) 0/246 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 230 unsolved
No progress, stopping.
After SMT solving in domain Real declared 246/246 variables, and 126 constraints, problems are : Problem set: 0 solved, 230 unsolved in 3817 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 95/95 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 230/230 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 230 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/95 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 230 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/95 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 230 unsolved
At refinement iteration 2 (OVERLAPS) 151/246 variables, 95/98 constraints. Problems are: Problem set: 0 solved, 230 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/246 variables, 28/126 constraints. Problems are: Problem set: 0 solved, 230 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/246 variables, 230/356 constraints. Problems are: Problem set: 0 solved, 230 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/246 variables, 0/356 constraints. Problems are: Problem set: 0 solved, 230 unsolved
At refinement iteration 6 (OVERLAPS) 0/246 variables, 0/356 constraints. Problems are: Problem set: 0 solved, 230 unsolved
No progress, stopping.
After SMT solving in domain Int declared 246/246 variables, and 356 constraints, problems are : Problem set: 0 solved, 230 unsolved in 7007 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 95/95 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 230/230 constraints, Known Traps: 0/0 constraints]
After SMT, in 10996ms problems are : Problem set: 0 solved, 230 unsolved
Search for dead transitions found 0 dead transitions in 10998ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11209 ms. Remains : 95/95 places, 232/232 transitions.
[2024-05-31 21:07:50] [INFO ] Flow matrix only has 151 transitions (discarded 81 similar events)
Found an invariant !
This invariant on transitions {34=1, 75=1, 126=1, 146=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {35=1, 76=1, 111=1, 143=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 7) seen :[3, 2, 4, 7, 6, 3, 6]
Current structural bounds on expressions (after cover walk) : Max Seen:[135, 42, 399, 43, 591, 117, 1164] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:07:50] [INFO ] Flow matrix only has 151 transitions (discarded 81 similar events)
[2024-05-31 21:07:50] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[135, 42, 399, 43, 591, 117, 1164] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000001 steps (2 resets) in 1031 ms. (968 steps per ms)
BEST_FIRST walk for 7000007 steps (14 resets) in 5004 ms. (1398 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[135, 42, 399, 43, 591, 117, 1164] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:07:56] [INFO ] Flow matrix only has 151 transitions (discarded 81 similar events)
[2024-05-31 21:07:56] [INFO ] Invariant cache hit.
[2024-05-31 21:07:56] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:07:56] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:07:56] [INFO ] State equation strengthened by 28 read => feed constraints.
[2024-05-31 21:07:56] [INFO ] [Real]Added 28 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:07:56] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:07:56] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:07:56] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:07:56] [INFO ] [Nat]Added 28 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:07:56] [INFO ] Deduced a trap composed of 22 places in 61 ms of which 1 ms to minimize.
[2024-05-31 21:07:56] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 82 ms
[2024-05-31 21:07:56] [INFO ] Computed and/alt/rep : 64/341/60 causal constraints (skipped 89 transitions) in 9 ms.
[2024-05-31 21:07:56] [INFO ] Added : 19 causal constraints over 5 iterations in 63 ms. Result :sat
Minimization took 32 ms.
[2024-05-31 21:07:56] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:07:56] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:07:56] [INFO ] [Real]Added 28 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:07:56] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:07:56] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:07:56] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:07:56] [INFO ] [Nat]Added 28 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:07:56] [INFO ] Deduced a trap composed of 20 places in 50 ms of which 1 ms to minimize.
[2024-05-31 21:07:56] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 59 ms
[2024-05-31 21:07:56] [INFO ] Computed and/alt/rep : 64/341/60 causal constraints (skipped 89 transitions) in 8 ms.
[2024-05-31 21:07:56] [INFO ] Added : 9 causal constraints over 2 iterations in 31 ms. Result :sat
Minimization took 26 ms.
[2024-05-31 21:07:56] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:07:56] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:07:56] [INFO ] [Real]Added 28 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:07:56] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:07:56] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:07:56] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:07:56] [INFO ] [Nat]Added 28 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:07:57] [INFO ] Deduced a trap composed of 24 places in 50 ms of which 1 ms to minimize.
[2024-05-31 21:07:57] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 58 ms
[2024-05-31 21:07:57] [INFO ] Computed and/alt/rep : 64/341/60 causal constraints (skipped 89 transitions) in 8 ms.
[2024-05-31 21:07:57] [INFO ] Added : 17 causal constraints over 4 iterations in 55 ms. Result :sat
Minimization took 31 ms.
[2024-05-31 21:07:57] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:07:57] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-31 21:07:57] [INFO ] [Real]Added 28 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:07:57] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:07:57] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:07:57] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:07:57] [INFO ] [Nat]Added 28 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:07:57] [INFO ] Deduced a trap composed of 24 places in 57 ms of which 1 ms to minimize.
[2024-05-31 21:07:57] [INFO ] Deduced a trap composed of 19 places in 49 ms of which 1 ms to minimize.
[2024-05-31 21:07:57] [INFO ] Deduced a trap composed of 16 places in 72 ms of which 0 ms to minimize.
[2024-05-31 21:07:57] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 204 ms
[2024-05-31 21:07:57] [INFO ] Computed and/alt/rep : 64/341/60 causal constraints (skipped 89 transitions) in 9 ms.
[2024-05-31 21:07:57] [INFO ] Added : 5 causal constraints over 2 iterations in 33 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 21:07:57] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:07:57] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:07:57] [INFO ] [Real]Added 28 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:07:57] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:07:57] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:07:57] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:07:57] [INFO ] [Nat]Added 28 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:07:57] [INFO ] Deduced a trap composed of 24 places in 55 ms of which 1 ms to minimize.
[2024-05-31 21:07:57] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 64 ms
[2024-05-31 21:07:57] [INFO ] Computed and/alt/rep : 64/341/60 causal constraints (skipped 89 transitions) in 8 ms.
[2024-05-31 21:07:57] [INFO ] Added : 17 causal constraints over 7 iterations in 73 ms. Result :sat
Minimization took 29 ms.
[2024-05-31 21:07:57] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:07:57] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:07:57] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:07:57] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:07:58] [INFO ] [Nat]Absence check using state equation in 39 ms returned sat
[2024-05-31 21:07:58] [INFO ] [Nat]Added 28 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:07:58] [INFO ] Deduced a trap composed of 24 places in 69 ms of which 1 ms to minimize.
[2024-05-31 21:07:58] [INFO ] Deduced a trap composed of 20 places in 58 ms of which 1 ms to minimize.
[2024-05-31 21:07:58] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 145 ms
[2024-05-31 21:07:58] [INFO ] Computed and/alt/rep : 64/341/60 causal constraints (skipped 89 transitions) in 12 ms.
[2024-05-31 21:07:58] [INFO ] Added : 32 causal constraints over 8 iterations in 107 ms. Result :sat
Minimization took 36 ms.
[2024-05-31 21:07:58] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:07:58] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:07:58] [INFO ] [Real]Added 28 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:07:58] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:07:58] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:07:58] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:07:58] [INFO ] [Nat]Added 28 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:07:58] [INFO ] Deduced a trap composed of 24 places in 72 ms of which 1 ms to minimize.
[2024-05-31 21:07:58] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 103 ms
[2024-05-31 21:07:58] [INFO ] Computed and/alt/rep : 64/341/60 causal constraints (skipped 89 transitions) in 8 ms.
[2024-05-31 21:07:58] [INFO ] Added : 14 causal constraints over 6 iterations in 58 ms. Result :sat
Minimization took 28 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[135, 42, 399, 43, 591, 117, 1164] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[135, 42, 399, 43, 597, 117, 1164] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 7 out of 95 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 95/95 places, 232/232 transitions.
Applied a total of 0 rules in 3 ms. Remains 95 /95 variables (removed 0) and now considering 232/232 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 95/95 places, 232/232 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 95/95 places, 232/232 transitions.
Applied a total of 0 rules in 3 ms. Remains 95 /95 variables (removed 0) and now considering 232/232 (removed 0) transitions.
[2024-05-31 21:08:02] [INFO ] Flow matrix only has 151 transitions (discarded 81 similar events)
[2024-05-31 21:08:02] [INFO ] Invariant cache hit.
[2024-05-31 21:08:03] [INFO ] Implicit Places using invariants in 122 ms returned []
[2024-05-31 21:08:03] [INFO ] Flow matrix only has 151 transitions (discarded 81 similar events)
[2024-05-31 21:08:03] [INFO ] Invariant cache hit.
[2024-05-31 21:08:03] [INFO ] State equation strengthened by 28 read => feed constraints.
[2024-05-31 21:08:03] [INFO ] Implicit Places using invariants and state equation in 229 ms returned []
Implicit Place search using SMT with State Equation took 366 ms to find 0 implicit places.
[2024-05-31 21:08:03] [INFO ] Redundant transitions in 0 ms returned []
Running 230 sub problems to find dead transitions.
[2024-05-31 21:08:03] [INFO ] Flow matrix only has 151 transitions (discarded 81 similar events)
[2024-05-31 21:08:03] [INFO ] Invariant cache hit.
[2024-05-31 21:08:03] [INFO ] State equation strengthened by 28 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/95 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 230 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/95 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 230 unsolved
At refinement iteration 2 (OVERLAPS) 151/246 variables, 95/98 constraints. Problems are: Problem set: 0 solved, 230 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/246 variables, 28/126 constraints. Problems are: Problem set: 0 solved, 230 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/246 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 230 unsolved
At refinement iteration 5 (OVERLAPS) 0/246 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 230 unsolved
No progress, stopping.
After SMT solving in domain Real declared 246/246 variables, and 126 constraints, problems are : Problem set: 0 solved, 230 unsolved in 3756 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 95/95 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 230/230 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 230 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/95 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 230 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/95 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 230 unsolved
At refinement iteration 2 (OVERLAPS) 151/246 variables, 95/98 constraints. Problems are: Problem set: 0 solved, 230 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/246 variables, 28/126 constraints. Problems are: Problem set: 0 solved, 230 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/246 variables, 230/356 constraints. Problems are: Problem set: 0 solved, 230 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/246 variables, 0/356 constraints. Problems are: Problem set: 0 solved, 230 unsolved
At refinement iteration 6 (OVERLAPS) 0/246 variables, 0/356 constraints. Problems are: Problem set: 0 solved, 230 unsolved
No progress, stopping.
After SMT solving in domain Int declared 246/246 variables, and 356 constraints, problems are : Problem set: 0 solved, 230 unsolved in 7280 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 95/95 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 230/230 constraints, Known Traps: 0/0 constraints]
After SMT, in 11184ms problems are : Problem set: 0 solved, 230 unsolved
Search for dead transitions found 0 dead transitions in 11186ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11560 ms. Remains : 95/95 places, 232/232 transitions.
[2024-05-31 21:08:14] [INFO ] Flow matrix only has 151 transitions (discarded 81 similar events)
Found an invariant !
This invariant on transitions {34=1, 75=1, 126=1, 146=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {35=1, 76=1, 111=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 7) seen :[6, 4, 6, 4, 2147483647, 3, 10]
Current structural bounds on expressions (after cover walk) : Max Seen:[135, 42, 399, 43, +inf, 117, 1164] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:08:14] [INFO ] Flow matrix only has 151 transitions (discarded 81 similar events)
[2024-05-31 21:08:14] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[135, 42, 399, 43, +inf, 117, 1164] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1080 ms. (925 steps per ms)
FORMULA FunctionPointer-PT-b032-UpperBounds-08 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 6000005 steps (12 resets) in 4194 ms. (1430 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[135, 42, 399, 43, 120, 1164] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:08:19] [INFO ] Flow matrix only has 151 transitions (discarded 81 similar events)
[2024-05-31 21:08:19] [INFO ] Invariant cache hit.
[2024-05-31 21:08:19] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:08:19] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:08:19] [INFO ] State equation strengthened by 28 read => feed constraints.
[2024-05-31 21:08:19] [INFO ] [Real]Added 28 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:08:19] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:08:19] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:08:19] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:08:19] [INFO ] [Nat]Added 28 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:08:20] [INFO ] Deduced a trap composed of 22 places in 66 ms of which 1 ms to minimize.
[2024-05-31 21:08:20] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 76 ms
[2024-05-31 21:08:20] [INFO ] Computed and/alt/rep : 64/341/60 causal constraints (skipped 89 transitions) in 10 ms.
[2024-05-31 21:08:20] [INFO ] Added : 19 causal constraints over 5 iterations in 63 ms. Result :sat
Minimization took 31 ms.
[2024-05-31 21:08:20] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:08:20] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:08:20] [INFO ] [Real]Added 28 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:08:20] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:08:20] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:08:20] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:08:20] [INFO ] [Nat]Added 28 Read/Feed constraints in 24 ms returned sat
[2024-05-31 21:08:20] [INFO ] Deduced a trap composed of 20 places in 139 ms of which 1 ms to minimize.
[2024-05-31 21:08:20] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 148 ms
[2024-05-31 21:08:20] [INFO ] Computed and/alt/rep : 64/341/60 causal constraints (skipped 89 transitions) in 8 ms.
[2024-05-31 21:08:20] [INFO ] Added : 9 causal constraints over 2 iterations in 52 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 21:08:20] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:08:20] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:08:20] [INFO ] [Real]Added 28 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:08:20] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:08:20] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:08:20] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:08:20] [INFO ] [Nat]Added 28 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:08:20] [INFO ] Deduced a trap composed of 24 places in 58 ms of which 1 ms to minimize.
[2024-05-31 21:08:20] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 69 ms
[2024-05-31 21:08:20] [INFO ] Computed and/alt/rep : 64/341/60 causal constraints (skipped 89 transitions) in 10 ms.
[2024-05-31 21:08:20] [INFO ] Added : 17 causal constraints over 4 iterations in 54 ms. Result :sat
Minimization took 29 ms.
[2024-05-31 21:08:20] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:08:20] [INFO ] [Real]Absence check using state equation in 40 ms returned sat
[2024-05-31 21:08:20] [INFO ] [Real]Added 28 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:08:20] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:08:20] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:08:21] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:08:21] [INFO ] [Nat]Added 28 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:08:21] [INFO ] Deduced a trap composed of 24 places in 69 ms of which 1 ms to minimize.
[2024-05-31 21:08:21] [INFO ] Deduced a trap composed of 19 places in 44 ms of which 1 ms to minimize.
[2024-05-31 21:08:21] [INFO ] Deduced a trap composed of 16 places in 43 ms of which 1 ms to minimize.
[2024-05-31 21:08:21] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 177 ms
[2024-05-31 21:08:21] [INFO ] Computed and/alt/rep : 64/341/60 causal constraints (skipped 89 transitions) in 9 ms.
[2024-05-31 21:08:21] [INFO ] Added : 5 causal constraints over 2 iterations in 32 ms. Result :sat
Minimization took 26 ms.
[2024-05-31 21:08:21] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:08:21] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:08:21] [INFO ] [Real]Added 28 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:08:21] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:08:21] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:08:21] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:08:21] [INFO ] [Nat]Added 28 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:08:21] [INFO ] Deduced a trap composed of 24 places in 47 ms of which 0 ms to minimize.
[2024-05-31 21:08:21] [INFO ] Deduced a trap composed of 20 places in 45 ms of which 1 ms to minimize.
[2024-05-31 21:08:21] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 107 ms
[2024-05-31 21:08:21] [INFO ] Computed and/alt/rep : 64/341/60 causal constraints (skipped 89 transitions) in 9 ms.
[2024-05-31 21:08:21] [INFO ] Added : 21 causal constraints over 6 iterations in 69 ms. Result :sat
Minimization took 29 ms.
[2024-05-31 21:08:21] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:08:21] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2024-05-31 21:08:21] [INFO ] [Real]Added 28 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:08:21] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:08:21] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:08:21] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:08:21] [INFO ] [Nat]Added 28 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:08:21] [INFO ] Deduced a trap composed of 24 places in 49 ms of which 1 ms to minimize.
[2024-05-31 21:08:21] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 61 ms
[2024-05-31 21:08:21] [INFO ] Computed and/alt/rep : 64/341/60 causal constraints (skipped 89 transitions) in 12 ms.
[2024-05-31 21:08:21] [INFO ] Added : 14 causal constraints over 6 iterations in 64 ms. Result :sat
Minimization took 28 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[135, 42, 399, 43, 120, 1164] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[135, 42, 399, 43, 120, 1164] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
Support contains 6 out of 95 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 95/95 places, 232/232 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 94 transition count 230
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 94 transition count 230
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 93 transition count 228
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 93 transition count 228
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 92 transition count 226
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 92 transition count 226
Applied a total of 6 rules in 6 ms. Remains 92 /95 variables (removed 3) and now considering 226/232 (removed 6) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 92/95 places, 226/232 transitions.
[2024-05-31 21:08:25] [INFO ] Flow matrix only has 145 transitions (discarded 81 similar events)
Found an invariant !
This invariant on transitions {33=1, 71=1, 105=1, 136=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {35=1, 73=1, 107=1, 138=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 6) seen :[3, 5, 3, 8, 2, 6]
Current structural bounds on expressions (after cover walk) : Max Seen:[135, 42, 399, 43, 120, 1164] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:08:25] [INFO ] Flow matrix only has 145 transitions (discarded 81 similar events)
// Phase 1: matrix 145 rows 92 cols
[2024-05-31 21:08:25] [INFO ] Computed 3 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[135, 42, 399, 43, 120, 1164] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000016 steps (2 resets) in 911 ms. (1096 steps per ms)
BEST_FIRST walk for 6000006 steps (12 resets) in 3861 ms. (1553 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[156, 42, 399, 43, 121, 1164] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:08:30] [INFO ] Flow matrix only has 145 transitions (discarded 81 similar events)
[2024-05-31 21:08:30] [INFO ] Invariant cache hit.
[2024-05-31 21:08:30] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:08:30] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:08:30] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-05-31 21:08:30] [INFO ] [Real]Added 26 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:08:30] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:08:30] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:08:30] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:08:30] [INFO ] [Nat]Added 26 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:08:30] [INFO ] Computed and/alt/rep : 63/302/58 causal constraints (skipped 85 transitions) in 8 ms.
[2024-05-31 21:08:30] [INFO ] Added : 32 causal constraints over 8 iterations in 80 ms. Result :sat
Minimization took 31 ms.
[2024-05-31 21:08:30] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:08:30] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:08:30] [INFO ] [Real]Added 26 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:08:30] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:08:30] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:08:30] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2024-05-31 21:08:30] [INFO ] [Nat]Added 26 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:08:30] [INFO ] Deduced a trap composed of 25 places in 53 ms of which 1 ms to minimize.
[2024-05-31 21:08:30] [INFO ] Deduced a trap composed of 29 places in 45 ms of which 1 ms to minimize.
[2024-05-31 21:08:30] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 111 ms
[2024-05-31 21:08:30] [INFO ] Computed and/alt/rep : 63/302/58 causal constraints (skipped 85 transitions) in 7 ms.
[2024-05-31 21:08:30] [INFO ] Added : 14 causal constraints over 4 iterations in 44 ms. Result :sat
Minimization took 27 ms.
[2024-05-31 21:08:30] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:08:30] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:08:30] [INFO ] [Real]Added 26 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:08:30] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:08:30] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:08:30] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2024-05-31 21:08:30] [INFO ] [Nat]Added 26 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:08:30] [INFO ] Deduced a trap composed of 19 places in 49 ms of which 1 ms to minimize.
[2024-05-31 21:08:30] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 56 ms
[2024-05-31 21:08:30] [INFO ] Computed and/alt/rep : 63/302/58 causal constraints (skipped 85 transitions) in 8 ms.
[2024-05-31 21:08:30] [INFO ] Added : 35 causal constraints over 9 iterations in 95 ms. Result :sat
Minimization took 33 ms.
[2024-05-31 21:08:31] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:08:31] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:08:31] [INFO ] [Real]Added 26 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:08:31] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:08:31] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:08:31] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2024-05-31 21:08:31] [INFO ] [Nat]Added 26 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:08:31] [INFO ] Deduced a trap composed of 20 places in 50 ms of which 1 ms to minimize.
[2024-05-31 21:08:31] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 61 ms
[2024-05-31 21:08:31] [INFO ] Computed and/alt/rep : 63/302/58 causal constraints (skipped 85 transitions) in 11 ms.
[2024-05-31 21:08:31] [INFO ] Added : 9 causal constraints over 4 iterations in 46 ms. Result :sat
Minimization took 26 ms.
[2024-05-31 21:08:31] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:08:31] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:08:31] [INFO ] [Real]Added 26 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:08:31] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:08:31] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:08:31] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2024-05-31 21:08:31] [INFO ] [Nat]Added 26 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:08:31] [INFO ] Computed and/alt/rep : 63/302/58 causal constraints (skipped 85 transitions) in 8 ms.
[2024-05-31 21:08:31] [INFO ] Added : 15 causal constraints over 5 iterations in 53 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 21:08:31] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:08:31] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:08:31] [INFO ] [Real]Added 26 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:08:31] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:08:31] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:08:31] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:08:31] [INFO ] [Nat]Added 26 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:08:31] [INFO ] Deduced a trap composed of 19 places in 49 ms of which 1 ms to minimize.
[2024-05-31 21:08:31] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 57 ms
[2024-05-31 21:08:31] [INFO ] Computed and/alt/rep : 63/302/58 causal constraints (skipped 85 transitions) in 8 ms.
[2024-05-31 21:08:31] [INFO ] Added : 12 causal constraints over 4 iterations in 49 ms. Result :sat
Minimization took 29 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[156, 42, 399, 43, 121, 1164] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[156, 42, 399, 43, 121, 1164] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
Support contains 6 out of 92 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 92/92 places, 226/226 transitions.
Applied a total of 0 rules in 3 ms. Remains 92 /92 variables (removed 0) and now considering 226/226 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 92/92 places, 226/226 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 92/92 places, 226/226 transitions.
Applied a total of 0 rules in 3 ms. Remains 92 /92 variables (removed 0) and now considering 226/226 (removed 0) transitions.
[2024-05-31 21:08:34] [INFO ] Flow matrix only has 145 transitions (discarded 81 similar events)
[2024-05-31 21:08:34] [INFO ] Invariant cache hit.
[2024-05-31 21:08:34] [INFO ] Implicit Places using invariants in 68 ms returned []
[2024-05-31 21:08:34] [INFO ] Flow matrix only has 145 transitions (discarded 81 similar events)
[2024-05-31 21:08:34] [INFO ] Invariant cache hit.
[2024-05-31 21:08:34] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-05-31 21:08:35] [INFO ] Implicit Places using invariants and state equation in 123 ms returned []
Implicit Place search using SMT with State Equation took 192 ms to find 0 implicit places.
[2024-05-31 21:08:35] [INFO ] Redundant transitions in 1 ms returned []
Running 224 sub problems to find dead transitions.
[2024-05-31 21:08:35] [INFO ] Flow matrix only has 145 transitions (discarded 81 similar events)
[2024-05-31 21:08:35] [INFO ] Invariant cache hit.
[2024-05-31 21:08:35] [INFO ] State equation strengthened by 26 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/92 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/92 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 2 (OVERLAPS) 145/237 variables, 92/95 constraints. Problems are: Problem set: 0 solved, 224 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/237 variables, 26/121 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/237 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 5 (OVERLAPS) 0/237 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 224 unsolved
No progress, stopping.
After SMT solving in domain Real declared 237/237 variables, and 121 constraints, problems are : Problem set: 0 solved, 224 unsolved in 3718 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 92/92 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 224/224 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 224 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/92 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/92 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 2 (OVERLAPS) 145/237 variables, 92/95 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/237 variables, 26/121 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/237 variables, 224/345 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/237 variables, 0/345 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 6 (OVERLAPS) 0/237 variables, 0/345 constraints. Problems are: Problem set: 0 solved, 224 unsolved
No progress, stopping.
After SMT solving in domain Int declared 237/237 variables, and 345 constraints, problems are : Problem set: 0 solved, 224 unsolved in 6464 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 92/92 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 224/224 constraints, Known Traps: 0/0 constraints]
After SMT, in 10307ms problems are : Problem set: 0 solved, 224 unsolved
Search for dead transitions found 0 dead transitions in 10309ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10514 ms. Remains : 92/92 places, 226/226 transitions.
[2024-05-31 21:08:45] [INFO ] Flow matrix only has 145 transitions (discarded 81 similar events)
Found an invariant !
This invariant on transitions {33=1, 71=1, 105=1, 136=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {35=1, 73=1, 107=1, 138=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 29 ms. (steps per millisecond=344 ) properties (out of 6) seen :[3, 6, 3, 3, 3, 10]
Current structural bounds on expressions (after cover walk) : Max Seen:[156, 42, 399, 43, 121, 1164] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:08:45] [INFO ] Flow matrix only has 145 transitions (discarded 81 similar events)
[2024-05-31 21:08:45] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[156, 42, 399, 43, 121, 1164] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1159 ms. (862 steps per ms)
BEST_FIRST walk for 6000006 steps (12 resets) in 3953 ms. (1517 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[178, 42, 405, 43, 136, 1164] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:08:50] [INFO ] Flow matrix only has 145 transitions (discarded 81 similar events)
[2024-05-31 21:08:50] [INFO ] Invariant cache hit.
[2024-05-31 21:08:50] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:08:50] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:08:50] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-05-31 21:08:50] [INFO ] [Real]Added 26 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:08:50] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:08:50] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:08:50] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:08:50] [INFO ] [Nat]Added 26 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:08:50] [INFO ] Computed and/alt/rep : 63/302/58 causal constraints (skipped 85 transitions) in 8 ms.
[2024-05-31 21:08:50] [INFO ] Added : 32 causal constraints over 8 iterations in 84 ms. Result :sat
Minimization took 32 ms.
[2024-05-31 21:08:50] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:08:50] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:08:50] [INFO ] [Real]Added 26 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:08:50] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:08:50] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:08:50] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:08:50] [INFO ] [Nat]Added 26 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:08:51] [INFO ] Deduced a trap composed of 25 places in 52 ms of which 0 ms to minimize.
[2024-05-31 21:08:51] [INFO ] Deduced a trap composed of 29 places in 49 ms of which 1 ms to minimize.
[2024-05-31 21:08:51] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 116 ms
[2024-05-31 21:08:51] [INFO ] Computed and/alt/rep : 63/302/58 causal constraints (skipped 85 transitions) in 9 ms.
[2024-05-31 21:08:51] [INFO ] Added : 14 causal constraints over 4 iterations in 48 ms. Result :sat
Minimization took 31 ms.
[2024-05-31 21:08:51] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:08:51] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:08:51] [INFO ] [Real]Added 26 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:08:51] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:08:51] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:08:51] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2024-05-31 21:08:51] [INFO ] [Nat]Added 26 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:08:51] [INFO ] Deduced a trap composed of 19 places in 50 ms of which 1 ms to minimize.
[2024-05-31 21:08:51] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 57 ms
[2024-05-31 21:08:51] [INFO ] Computed and/alt/rep : 63/302/58 causal constraints (skipped 85 transitions) in 7 ms.
[2024-05-31 21:08:51] [INFO ] Added : 35 causal constraints over 9 iterations in 86 ms. Result :sat
Minimization took 32 ms.
[2024-05-31 21:08:51] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:08:51] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:08:51] [INFO ] [Real]Added 26 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:08:51] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:08:51] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:08:51] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:08:51] [INFO ] [Nat]Added 26 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:08:51] [INFO ] Deduced a trap composed of 20 places in 49 ms of which 1 ms to minimize.
[2024-05-31 21:08:51] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 62 ms
[2024-05-31 21:08:51] [INFO ] Computed and/alt/rep : 63/302/58 causal constraints (skipped 85 transitions) in 10 ms.
[2024-05-31 21:08:51] [INFO ] Added : 9 causal constraints over 4 iterations in 47 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 21:08:51] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:08:51] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2024-05-31 21:08:51] [INFO ] [Real]Added 26 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:08:51] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:08:51] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:08:51] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2024-05-31 21:08:51] [INFO ] [Nat]Added 26 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:08:51] [INFO ] Computed and/alt/rep : 63/302/58 causal constraints (skipped 85 transitions) in 8 ms.
[2024-05-31 21:08:51] [INFO ] Added : 15 causal constraints over 5 iterations in 54 ms. Result :sat
Minimization took 27 ms.
[2024-05-31 21:08:52] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:08:52] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:08:52] [INFO ] [Real]Added 26 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:08:52] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:08:52] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:08:52] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2024-05-31 21:08:52] [INFO ] [Nat]Added 26 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:08:52] [INFO ] Deduced a trap composed of 19 places in 51 ms of which 1 ms to minimize.
[2024-05-31 21:08:52] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 60 ms
[2024-05-31 21:08:52] [INFO ] Computed and/alt/rep : 63/302/58 causal constraints (skipped 85 transitions) in 10 ms.
[2024-05-31 21:08:52] [INFO ] Added : 12 causal constraints over 4 iterations in 48 ms. Result :sat
Minimization took 26 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[178, 42, 405, 43, 136, 1164] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[178, 42, 405, 43, 136, 1164] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
Support contains 6 out of 92 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 92/92 places, 226/226 transitions.
Applied a total of 0 rules in 3 ms. Remains 92 /92 variables (removed 0) and now considering 226/226 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 92/92 places, 226/226 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 92/92 places, 226/226 transitions.
Applied a total of 0 rules in 3 ms. Remains 92 /92 variables (removed 0) and now considering 226/226 (removed 0) transitions.
[2024-05-31 21:08:55] [INFO ] Flow matrix only has 145 transitions (discarded 81 similar events)
[2024-05-31 21:08:55] [INFO ] Invariant cache hit.
[2024-05-31 21:08:55] [INFO ] Implicit Places using invariants in 70 ms returned []
[2024-05-31 21:08:55] [INFO ] Flow matrix only has 145 transitions (discarded 81 similar events)
[2024-05-31 21:08:55] [INFO ] Invariant cache hit.
[2024-05-31 21:08:55] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-05-31 21:08:55] [INFO ] Implicit Places using invariants and state equation in 127 ms returned []
Implicit Place search using SMT with State Equation took 202 ms to find 0 implicit places.
[2024-05-31 21:08:55] [INFO ] Redundant transitions in 1 ms returned []
Running 224 sub problems to find dead transitions.
[2024-05-31 21:08:55] [INFO ] Flow matrix only has 145 transitions (discarded 81 similar events)
[2024-05-31 21:08:55] [INFO ] Invariant cache hit.
[2024-05-31 21:08:55] [INFO ] State equation strengthened by 26 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/92 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/92 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 2 (OVERLAPS) 145/237 variables, 92/95 constraints. Problems are: Problem set: 0 solved, 224 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/237 variables, 26/121 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/237 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 5 (OVERLAPS) 0/237 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 224 unsolved
No progress, stopping.
After SMT solving in domain Real declared 237/237 variables, and 121 constraints, problems are : Problem set: 0 solved, 224 unsolved in 3750 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 92/92 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 224/224 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 224 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/92 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/92 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 2 (OVERLAPS) 145/237 variables, 92/95 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/237 variables, 26/121 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/237 variables, 224/345 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/237 variables, 0/345 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 6 (OVERLAPS) 0/237 variables, 0/345 constraints. Problems are: Problem set: 0 solved, 224 unsolved
No progress, stopping.
After SMT solving in domain Int declared 237/237 variables, and 345 constraints, problems are : Problem set: 0 solved, 224 unsolved in 6612 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 92/92 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 224/224 constraints, Known Traps: 0/0 constraints]
After SMT, in 10501ms problems are : Problem set: 0 solved, 224 unsolved
Search for dead transitions found 0 dead transitions in 10504ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10715 ms. Remains : 92/92 places, 226/226 transitions.
[2024-05-31 21:09:06] [INFO ] Flow matrix only has 145 transitions (discarded 81 similar events)
Found an invariant !
This invariant on transitions {33=1, 71=1, 105=1, 136=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {35=1, 73=1, 107=1, 138=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 6) seen :[3, 5, 4, 3, 4, 6]
Current structural bounds on expressions (after cover walk) : Max Seen:[178, 42, 405, 43, 136, 1164] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:09:06] [INFO ] Flow matrix only has 145 transitions (discarded 81 similar events)
[2024-05-31 21:09:06] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[178, 42, 405, 43, 136, 1164] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1111 ms. (899 steps per ms)
BEST_FIRST walk for 6000006 steps (12 resets) in 3870 ms. (1549 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[178, 42, 405, 43, 180, 1164] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:09:11] [INFO ] Flow matrix only has 145 transitions (discarded 81 similar events)
[2024-05-31 21:09:11] [INFO ] Invariant cache hit.
[2024-05-31 21:09:11] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:09:11] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:09:11] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-05-31 21:09:11] [INFO ] [Real]Added 26 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:09:11] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:09:11] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:09:11] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:09:11] [INFO ] [Nat]Added 26 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:09:11] [INFO ] Computed and/alt/rep : 63/302/58 causal constraints (skipped 85 transitions) in 9 ms.
[2024-05-31 21:09:11] [INFO ] Added : 32 causal constraints over 8 iterations in 84 ms. Result :sat
Minimization took 39 ms.
[2024-05-31 21:09:11] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:09:11] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2024-05-31 21:09:11] [INFO ] [Real]Added 26 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:09:11] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:09:11] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:09:11] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2024-05-31 21:09:11] [INFO ] [Nat]Added 26 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:09:11] [INFO ] Deduced a trap composed of 25 places in 51 ms of which 0 ms to minimize.
[2024-05-31 21:09:11] [INFO ] Deduced a trap composed of 29 places in 68 ms of which 0 ms to minimize.
[2024-05-31 21:09:11] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 135 ms
[2024-05-31 21:09:11] [INFO ] Computed and/alt/rep : 63/302/58 causal constraints (skipped 85 transitions) in 7 ms.
[2024-05-31 21:09:11] [INFO ] Added : 14 causal constraints over 4 iterations in 49 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 21:09:11] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:09:11] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2024-05-31 21:09:11] [INFO ] [Real]Added 26 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:09:11] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:09:12] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:09:12] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2024-05-31 21:09:12] [INFO ] [Nat]Added 26 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:09:12] [INFO ] Deduced a trap composed of 19 places in 49 ms of which 1 ms to minimize.
[2024-05-31 21:09:12] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 58 ms
[2024-05-31 21:09:12] [INFO ] Computed and/alt/rep : 63/302/58 causal constraints (skipped 85 transitions) in 7 ms.
[2024-05-31 21:09:12] [INFO ] Added : 35 causal constraints over 9 iterations in 93 ms. Result :sat
Minimization took 30 ms.
[2024-05-31 21:09:12] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:09:12] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2024-05-31 21:09:12] [INFO ] [Real]Added 26 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:09:12] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:09:12] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:09:12] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2024-05-31 21:09:12] [INFO ] [Nat]Added 26 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:09:12] [INFO ] Deduced a trap composed of 20 places in 54 ms of which 1 ms to minimize.
[2024-05-31 21:09:12] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 62 ms
[2024-05-31 21:09:12] [INFO ] Computed and/alt/rep : 63/302/58 causal constraints (skipped 85 transitions) in 7 ms.
[2024-05-31 21:09:12] [INFO ] Added : 9 causal constraints over 4 iterations in 42 ms. Result :sat
Minimization took 26 ms.
[2024-05-31 21:09:12] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:09:12] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2024-05-31 21:09:12] [INFO ] [Real]Added 26 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:09:12] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:09:12] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:09:12] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2024-05-31 21:09:12] [INFO ] [Nat]Added 26 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:09:12] [INFO ] Computed and/alt/rep : 63/302/58 causal constraints (skipped 85 transitions) in 8 ms.
[2024-05-31 21:09:12] [INFO ] Added : 15 causal constraints over 5 iterations in 66 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 21:09:12] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:09:12] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2024-05-31 21:09:12] [INFO ] [Real]Added 26 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:09:12] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:09:12] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:09:12] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:09:12] [INFO ] [Nat]Added 26 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:09:13] [INFO ] Deduced a trap composed of 19 places in 80 ms of which 1 ms to minimize.
[2024-05-31 21:09:13] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 88 ms
[2024-05-31 21:09:13] [INFO ] Computed and/alt/rep : 63/302/58 causal constraints (skipped 85 transitions) in 10 ms.
[2024-05-31 21:09:13] [INFO ] Added : 12 causal constraints over 4 iterations in 49 ms. Result :sat
Minimization took 27 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[178, 42, 405, 43, 180, 1164] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[178, 42, 405, 43, 180, 1164] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
Support contains 6 out of 92 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 92/92 places, 226/226 transitions.
Applied a total of 0 rules in 3 ms. Remains 92 /92 variables (removed 0) and now considering 226/226 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 92/92 places, 226/226 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 92/92 places, 226/226 transitions.
Applied a total of 0 rules in 3 ms. Remains 92 /92 variables (removed 0) and now considering 226/226 (removed 0) transitions.
[2024-05-31 21:09:16] [INFO ] Flow matrix only has 145 transitions (discarded 81 similar events)
[2024-05-31 21:09:16] [INFO ] Invariant cache hit.
[2024-05-31 21:09:16] [INFO ] Implicit Places using invariants in 75 ms returned []
[2024-05-31 21:09:16] [INFO ] Flow matrix only has 145 transitions (discarded 81 similar events)
[2024-05-31 21:09:16] [INFO ] Invariant cache hit.
[2024-05-31 21:09:16] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-05-31 21:09:16] [INFO ] Implicit Places using invariants and state equation in 124 ms returned []
Implicit Place search using SMT with State Equation took 221 ms to find 0 implicit places.
[2024-05-31 21:09:16] [INFO ] Redundant transitions in 0 ms returned []
Running 224 sub problems to find dead transitions.
[2024-05-31 21:09:16] [INFO ] Flow matrix only has 145 transitions (discarded 81 similar events)
[2024-05-31 21:09:16] [INFO ] Invariant cache hit.
[2024-05-31 21:09:16] [INFO ] State equation strengthened by 26 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/92 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/92 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 2 (OVERLAPS) 145/237 variables, 92/95 constraints. Problems are: Problem set: 0 solved, 224 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/237 variables, 26/121 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/237 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 5 (OVERLAPS) 0/237 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 224 unsolved
No progress, stopping.
After SMT solving in domain Real declared 237/237 variables, and 121 constraints, problems are : Problem set: 0 solved, 224 unsolved in 3689 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 92/92 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 224/224 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 224 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/92 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/92 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 2 (OVERLAPS) 145/237 variables, 92/95 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/237 variables, 26/121 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/237 variables, 224/345 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/237 variables, 0/345 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 6 (OVERLAPS) 0/237 variables, 0/345 constraints. Problems are: Problem set: 0 solved, 224 unsolved
No progress, stopping.
After SMT solving in domain Int declared 237/237 variables, and 345 constraints, problems are : Problem set: 0 solved, 224 unsolved in 6540 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 92/92 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 224/224 constraints, Known Traps: 0/0 constraints]
After SMT, in 10352ms problems are : Problem set: 0 solved, 224 unsolved
Search for dead transitions found 0 dead transitions in 10354ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10588 ms. Remains : 92/92 places, 226/226 transitions.
[2024-05-31 21:09:27] [INFO ] Flow matrix only has 145 transitions (discarded 81 similar events)
Found an invariant !
This invariant on transitions {33=1, 71=1, 105=1, 136=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {35=1, 73=1, 107=1, 138=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 6) seen :[5, 6, 7, 9, 4, 9]
Current structural bounds on expressions (after cover walk) : Max Seen:[178, 42, 405, 43, 180, 1164] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:09:27] [INFO ] Flow matrix only has 145 transitions (discarded 81 similar events)
[2024-05-31 21:09:27] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[178, 42, 405, 43, 180, 1164] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 945 ms. (1057 steps per ms)
BEST_FIRST walk for 6000005 steps (12 resets) in 3903 ms. (1536 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[178, 42, 405, 44, 180, 1164] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:09:32] [INFO ] Flow matrix only has 145 transitions (discarded 81 similar events)
[2024-05-31 21:09:32] [INFO ] Invariant cache hit.
[2024-05-31 21:09:32] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:09:32] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:09:32] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-05-31 21:09:32] [INFO ] [Real]Added 26 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:09:32] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:09:32] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:09:32] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2024-05-31 21:09:32] [INFO ] [Nat]Added 26 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:09:32] [INFO ] Computed and/alt/rep : 63/302/58 causal constraints (skipped 85 transitions) in 7 ms.
[2024-05-31 21:09:32] [INFO ] Added : 32 causal constraints over 8 iterations in 81 ms. Result :sat
Minimization took 31 ms.
[2024-05-31 21:09:32] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:09:32] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2024-05-31 21:09:32] [INFO ] [Real]Added 26 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:09:32] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:09:32] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:09:32] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2024-05-31 21:09:32] [INFO ] [Nat]Added 26 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:09:32] [INFO ] Deduced a trap composed of 25 places in 74 ms of which 0 ms to minimize.
[2024-05-31 21:09:32] [INFO ] Deduced a trap composed of 29 places in 66 ms of which 1 ms to minimize.
[2024-05-31 21:09:32] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 157 ms
[2024-05-31 21:09:32] [INFO ] Computed and/alt/rep : 63/302/58 causal constraints (skipped 85 transitions) in 7 ms.
[2024-05-31 21:09:32] [INFO ] Added : 14 causal constraints over 4 iterations in 42 ms. Result :sat
Minimization took 26 ms.
[2024-05-31 21:09:32] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:09:32] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2024-05-31 21:09:32] [INFO ] [Real]Added 26 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:09:32] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:09:32] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:09:32] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2024-05-31 21:09:32] [INFO ] [Nat]Added 26 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:09:32] [INFO ] Deduced a trap composed of 19 places in 47 ms of which 1 ms to minimize.
[2024-05-31 21:09:32] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 55 ms
[2024-05-31 21:09:32] [INFO ] Computed and/alt/rep : 63/302/58 causal constraints (skipped 85 transitions) in 7 ms.
[2024-05-31 21:09:32] [INFO ] Added : 35 causal constraints over 9 iterations in 92 ms. Result :sat
Minimization took 30 ms.
[2024-05-31 21:09:33] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:09:33] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2024-05-31 21:09:33] [INFO ] [Real]Added 26 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:09:33] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:09:33] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:09:33] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2024-05-31 21:09:33] [INFO ] [Nat]Added 26 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:09:33] [INFO ] Deduced a trap composed of 20 places in 48 ms of which 1 ms to minimize.
[2024-05-31 21:09:33] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 56 ms
[2024-05-31 21:09:33] [INFO ] Computed and/alt/rep : 63/302/58 causal constraints (skipped 85 transitions) in 8 ms.
[2024-05-31 21:09:33] [INFO ] Added : 9 causal constraints over 4 iterations in 44 ms. Result :sat
Minimization took 27 ms.
[2024-05-31 21:09:33] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:09:33] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2024-05-31 21:09:33] [INFO ] [Real]Added 26 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:09:33] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:09:33] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:09:33] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2024-05-31 21:09:33] [INFO ] [Nat]Added 26 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:09:33] [INFO ] Computed and/alt/rep : 63/302/58 causal constraints (skipped 85 transitions) in 8 ms.
[2024-05-31 21:09:33] [INFO ] Added : 15 causal constraints over 5 iterations in 54 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 21:09:33] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:09:33] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2024-05-31 21:09:33] [INFO ] [Real]Added 26 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:09:33] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:09:33] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:09:33] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2024-05-31 21:09:33] [INFO ] [Nat]Added 26 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:09:33] [INFO ] Deduced a trap composed of 19 places in 55 ms of which 6 ms to minimize.
[2024-05-31 21:09:33] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 63 ms
[2024-05-31 21:09:33] [INFO ] Computed and/alt/rep : 63/302/58 causal constraints (skipped 85 transitions) in 7 ms.
[2024-05-31 21:09:33] [INFO ] Added : 12 causal constraints over 4 iterations in 51 ms. Result :sat
Minimization took 27 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[178, 42, 405, 44, 180, 1164] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[178, 42, 405, 44, 180, 1164] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
Support contains 6 out of 92 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 92/92 places, 226/226 transitions.
Applied a total of 0 rules in 3 ms. Remains 92 /92 variables (removed 0) and now considering 226/226 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 92/92 places, 226/226 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 92/92 places, 226/226 transitions.
Applied a total of 0 rules in 2 ms. Remains 92 /92 variables (removed 0) and now considering 226/226 (removed 0) transitions.
[2024-05-31 21:09:37] [INFO ] Flow matrix only has 145 transitions (discarded 81 similar events)
[2024-05-31 21:09:37] [INFO ] Invariant cache hit.
[2024-05-31 21:09:37] [INFO ] Implicit Places using invariants in 122 ms returned []
[2024-05-31 21:09:37] [INFO ] Flow matrix only has 145 transitions (discarded 81 similar events)
[2024-05-31 21:09:37] [INFO ] Invariant cache hit.
[2024-05-31 21:09:37] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-05-31 21:09:37] [INFO ] Implicit Places using invariants and state equation in 153 ms returned []
Implicit Place search using SMT with State Equation took 307 ms to find 0 implicit places.
[2024-05-31 21:09:37] [INFO ] Redundant transitions in 1 ms returned []
Running 224 sub problems to find dead transitions.
[2024-05-31 21:09:37] [INFO ] Flow matrix only has 145 transitions (discarded 81 similar events)
[2024-05-31 21:09:37] [INFO ] Invariant cache hit.
[2024-05-31 21:09:37] [INFO ] State equation strengthened by 26 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/92 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/92 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 2 (OVERLAPS) 145/237 variables, 92/95 constraints. Problems are: Problem set: 0 solved, 224 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/237 variables, 26/121 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/237 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 5 (OVERLAPS) 0/237 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 224 unsolved
No progress, stopping.
After SMT solving in domain Real declared 237/237 variables, and 121 constraints, problems are : Problem set: 0 solved, 224 unsolved in 3549 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 92/92 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 224/224 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 224 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/92 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/92 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 2 (OVERLAPS) 145/237 variables, 92/95 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/237 variables, 26/121 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/237 variables, 224/345 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/237 variables, 0/345 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 6 (OVERLAPS) 0/237 variables, 0/345 constraints. Problems are: Problem set: 0 solved, 224 unsolved
No progress, stopping.
After SMT solving in domain Int declared 237/237 variables, and 345 constraints, problems are : Problem set: 0 solved, 224 unsolved in 6467 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 92/92 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 224/224 constraints, Known Traps: 0/0 constraints]
After SMT, in 10175ms problems are : Problem set: 0 solved, 224 unsolved
Search for dead transitions found 0 dead transitions in 10177ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10493 ms. Remains : 92/92 places, 226/226 transitions.
[2024-05-31 21:09:47] [INFO ] Flow matrix only has 145 transitions (discarded 81 similar events)
Found an invariant !
This invariant on transitions {33=1, 71=1, 105=1, 136=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {35=1, 73=1, 107=1, 138=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 6) seen :[2, 2, 4, 5, 4, 6]
Current structural bounds on expressions (after cover walk) : Max Seen:[178, 42, 405, 44, 180, 1164] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:09:47] [INFO ] Flow matrix only has 145 transitions (discarded 81 similar events)
[2024-05-31 21:09:47] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[178, 42, 405, 44, 180, 1164] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 960 ms. (1040 steps per ms)
BEST_FIRST walk for 6000006 steps (12 resets) in 3845 ms. (1560 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[178, 42, 405, 47, 180, 1164] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:09:52] [INFO ] Flow matrix only has 145 transitions (discarded 81 similar events)
[2024-05-31 21:09:52] [INFO ] Invariant cache hit.
[2024-05-31 21:09:52] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:09:52] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:09:52] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-05-31 21:09:52] [INFO ] [Real]Added 26 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:09:52] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:09:52] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-31 21:09:52] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:09:52] [INFO ] [Nat]Added 26 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:09:52] [INFO ] Computed and/alt/rep : 63/302/58 causal constraints (skipped 85 transitions) in 8 ms.
[2024-05-31 21:09:52] [INFO ] Added : 32 causal constraints over 8 iterations in 81 ms. Result :sat
Minimization took 31 ms.
[2024-05-31 21:09:52] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:09:52] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2024-05-31 21:09:52] [INFO ] [Real]Added 26 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:09:52] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:09:52] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:09:52] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2024-05-31 21:09:52] [INFO ] [Nat]Added 26 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:09:52] [INFO ] Deduced a trap composed of 25 places in 76 ms of which 1 ms to minimize.
[2024-05-31 21:09:53] [INFO ] Deduced a trap composed of 29 places in 62 ms of which 1 ms to minimize.
[2024-05-31 21:09:53] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 152 ms
[2024-05-31 21:09:53] [INFO ] Computed and/alt/rep : 63/302/58 causal constraints (skipped 85 transitions) in 8 ms.
[2024-05-31 21:09:53] [INFO ] Added : 14 causal constraints over 4 iterations in 45 ms. Result :sat
Minimization took 26 ms.
[2024-05-31 21:09:53] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:09:53] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:09:53] [INFO ] [Real]Added 26 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:09:53] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:09:53] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:09:53] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2024-05-31 21:09:53] [INFO ] [Nat]Added 26 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:09:53] [INFO ] Deduced a trap composed of 19 places in 68 ms of which 1 ms to minimize.
[2024-05-31 21:09:53] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 80 ms
[2024-05-31 21:09:53] [INFO ] Computed and/alt/rep : 63/302/58 causal constraints (skipped 85 transitions) in 8 ms.
[2024-05-31 21:09:53] [INFO ] Added : 35 causal constraints over 9 iterations in 95 ms. Result :sat
Minimization took 43 ms.
[2024-05-31 21:09:53] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:09:53] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:09:53] [INFO ] [Real]Added 26 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:09:53] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:09:53] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:09:53] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2024-05-31 21:09:53] [INFO ] [Nat]Added 26 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:09:53] [INFO ] Deduced a trap composed of 20 places in 44 ms of which 1 ms to minimize.
[2024-05-31 21:09:53] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 56 ms
[2024-05-31 21:09:53] [INFO ] Computed and/alt/rep : 63/302/58 causal constraints (skipped 85 transitions) in 8 ms.
[2024-05-31 21:09:53] [INFO ] Added : 9 causal constraints over 4 iterations in 45 ms. Result :sat
Minimization took 25 ms.
[2024-05-31 21:09:53] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:09:53] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:09:53] [INFO ] [Real]Added 26 Read/Feed constraints in 18 ms returned sat
[2024-05-31 21:09:53] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:09:53] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:09:53] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2024-05-31 21:09:53] [INFO ] [Nat]Added 26 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:09:53] [INFO ] Computed and/alt/rep : 63/302/58 causal constraints (skipped 85 transitions) in 8 ms.
[2024-05-31 21:09:53] [INFO ] Added : 15 causal constraints over 5 iterations in 52 ms. Result :sat
Minimization took 27 ms.
[2024-05-31 21:09:54] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:09:54] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2024-05-31 21:09:54] [INFO ] [Real]Added 26 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:09:54] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:09:54] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:09:54] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:09:54] [INFO ] [Nat]Added 26 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:09:54] [INFO ] Deduced a trap composed of 19 places in 76 ms of which 1 ms to minimize.
[2024-05-31 21:09:54] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 109 ms
[2024-05-31 21:09:54] [INFO ] Computed and/alt/rep : 63/302/58 causal constraints (skipped 85 transitions) in 7 ms.
[2024-05-31 21:09:54] [INFO ] Added : 12 causal constraints over 4 iterations in 46 ms. Result :sat
Minimization took 27 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[178, 42, 405, 47, 180, 1164] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[178, 42, 405, 47, 180, 1164] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
Support contains 6 out of 92 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 92/92 places, 226/226 transitions.
Applied a total of 0 rules in 3 ms. Remains 92 /92 variables (removed 0) and now considering 226/226 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 92/92 places, 226/226 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 92/92 places, 226/226 transitions.
Applied a total of 0 rules in 2 ms. Remains 92 /92 variables (removed 0) and now considering 226/226 (removed 0) transitions.
[2024-05-31 21:09:57] [INFO ] Flow matrix only has 145 transitions (discarded 81 similar events)
[2024-05-31 21:09:57] [INFO ] Invariant cache hit.
[2024-05-31 21:09:57] [INFO ] Implicit Places using invariants in 69 ms returned []
[2024-05-31 21:09:57] [INFO ] Flow matrix only has 145 transitions (discarded 81 similar events)
[2024-05-31 21:09:57] [INFO ] Invariant cache hit.
[2024-05-31 21:09:57] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-05-31 21:09:57] [INFO ] Implicit Places using invariants and state equation in 118 ms returned []
Implicit Place search using SMT with State Equation took 201 ms to find 0 implicit places.
[2024-05-31 21:09:57] [INFO ] Redundant transitions in 1 ms returned []
Running 224 sub problems to find dead transitions.
[2024-05-31 21:09:57] [INFO ] Flow matrix only has 145 transitions (discarded 81 similar events)
[2024-05-31 21:09:57] [INFO ] Invariant cache hit.
[2024-05-31 21:09:57] [INFO ] State equation strengthened by 26 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/92 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/92 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 2 (OVERLAPS) 145/237 variables, 92/95 constraints. Problems are: Problem set: 0 solved, 224 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/237 variables, 26/121 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/237 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 5 (OVERLAPS) 0/237 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 224 unsolved
No progress, stopping.
After SMT solving in domain Real declared 237/237 variables, and 121 constraints, problems are : Problem set: 0 solved, 224 unsolved in 3700 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 92/92 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 224/224 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 224 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/92 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/92 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 2 (OVERLAPS) 145/237 variables, 92/95 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/237 variables, 26/121 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/237 variables, 224/345 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/237 variables, 0/345 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 6 (OVERLAPS) 0/237 variables, 0/345 constraints. Problems are: Problem set: 0 solved, 224 unsolved
No progress, stopping.
After SMT solving in domain Int declared 237/237 variables, and 345 constraints, problems are : Problem set: 0 solved, 224 unsolved in 6568 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 92/92 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 224/224 constraints, Known Traps: 0/0 constraints]
After SMT, in 10417ms problems are : Problem set: 0 solved, 224 unsolved
Search for dead transitions found 0 dead transitions in 10420ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10636 ms. Remains : 92/92 places, 226/226 transitions.
[2024-05-31 21:10:08] [INFO ] Flow matrix only has 145 transitions (discarded 81 similar events)
Found an invariant !
This invariant on transitions {33=1, 71=1, 105=1, 136=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {35=1, 73=1, 107=1, 138=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 27 ms. (steps per millisecond=370 ) properties (out of 6) seen :[3, 1, 5, 13, 4, 11]
Current structural bounds on expressions (after cover walk) : Max Seen:[178, 42, 405, 47, 180, 1164] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:10:08] [INFO ] Flow matrix only has 145 transitions (discarded 81 similar events)
[2024-05-31 21:10:08] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[178, 42, 405, 47, 180, 1164] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000003 steps (2 resets) in 1041 ms. (959 steps per ms)
BEST_FIRST walk for 6000005 steps (12 resets) in 3925 ms. (1528 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[178, 42, 405, 47, 180, 1185] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:10:13] [INFO ] Flow matrix only has 145 transitions (discarded 81 similar events)
[2024-05-31 21:10:13] [INFO ] Invariant cache hit.
[2024-05-31 21:10:13] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:13] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2024-05-31 21:10:13] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-05-31 21:10:13] [INFO ] [Real]Added 26 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:10:13] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:10:13] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:13] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2024-05-31 21:10:13] [INFO ] [Nat]Added 26 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:10:13] [INFO ] Computed and/alt/rep : 63/302/58 causal constraints (skipped 85 transitions) in 9 ms.
[2024-05-31 21:10:13] [INFO ] Added : 32 causal constraints over 8 iterations in 99 ms. Result :sat
Minimization took 30 ms.
[2024-05-31 21:10:13] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-31 21:10:13] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2024-05-31 21:10:13] [INFO ] [Real]Added 26 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:10:13] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:10:13] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:13] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2024-05-31 21:10:13] [INFO ] [Nat]Added 26 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:10:13] [INFO ] Deduced a trap composed of 25 places in 39 ms of which 1 ms to minimize.
[2024-05-31 21:10:14] [INFO ] Deduced a trap composed of 29 places in 65 ms of which 0 ms to minimize.
[2024-05-31 21:10:14] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 118 ms
[2024-05-31 21:10:14] [INFO ] Computed and/alt/rep : 63/302/58 causal constraints (skipped 85 transitions) in 7 ms.
[2024-05-31 21:10:14] [INFO ] Added : 14 causal constraints over 4 iterations in 43 ms. Result :sat
Minimization took 27 ms.
[2024-05-31 21:10:14] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:14] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2024-05-31 21:10:14] [INFO ] [Real]Added 26 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:10:14] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:10:14] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:14] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:10:14] [INFO ] [Nat]Added 26 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:10:14] [INFO ] Deduced a trap composed of 19 places in 53 ms of which 1 ms to minimize.
[2024-05-31 21:10:14] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 62 ms
[2024-05-31 21:10:14] [INFO ] Computed and/alt/rep : 63/302/58 causal constraints (skipped 85 transitions) in 8 ms.
[2024-05-31 21:10:14] [INFO ] Added : 35 causal constraints over 9 iterations in 91 ms. Result :sat
Minimization took 35 ms.
[2024-05-31 21:10:14] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:14] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2024-05-31 21:10:14] [INFO ] [Real]Added 26 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:10:14] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:10:14] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:14] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2024-05-31 21:10:14] [INFO ] [Nat]Added 26 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:10:14] [INFO ] Deduced a trap composed of 20 places in 55 ms of which 1 ms to minimize.
[2024-05-31 21:10:14] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 63 ms
[2024-05-31 21:10:14] [INFO ] Computed and/alt/rep : 63/302/58 causal constraints (skipped 85 transitions) in 8 ms.
[2024-05-31 21:10:14] [INFO ] Added : 9 causal constraints over 4 iterations in 46 ms. Result :sat
Minimization took 26 ms.
[2024-05-31 21:10:14] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:14] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2024-05-31 21:10:14] [INFO ] [Real]Added 26 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:10:14] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:10:14] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:14] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2024-05-31 21:10:14] [INFO ] [Nat]Added 26 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:10:14] [INFO ] Computed and/alt/rep : 63/302/58 causal constraints (skipped 85 transitions) in 8 ms.
[2024-05-31 21:10:14] [INFO ] Added : 15 causal constraints over 5 iterations in 54 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 21:10:15] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:10:15] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:10:15] [INFO ] [Real]Added 26 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:10:15] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:10:15] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:15] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2024-05-31 21:10:15] [INFO ] [Nat]Added 26 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:10:15] [INFO ] Deduced a trap composed of 19 places in 53 ms of which 1 ms to minimize.
[2024-05-31 21:10:15] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 69 ms
[2024-05-31 21:10:15] [INFO ] Computed and/alt/rep : 63/302/58 causal constraints (skipped 85 transitions) in 8 ms.
[2024-05-31 21:10:15] [INFO ] Added : 12 causal constraints over 4 iterations in 48 ms. Result :sat
Minimization took 27 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[178, 42, 405, 47, 180, 1185] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[178, 42, 405, 47, 180, 1185] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
Support contains 6 out of 92 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 92/92 places, 226/226 transitions.
Applied a total of 0 rules in 9 ms. Remains 92 /92 variables (removed 0) and now considering 226/226 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 92/92 places, 226/226 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 92/92 places, 226/226 transitions.
Applied a total of 0 rules in 3 ms. Remains 92 /92 variables (removed 0) and now considering 226/226 (removed 0) transitions.
[2024-05-31 21:10:18] [INFO ] Flow matrix only has 145 transitions (discarded 81 similar events)
[2024-05-31 21:10:18] [INFO ] Invariant cache hit.
[2024-05-31 21:10:18] [INFO ] Implicit Places using invariants in 90 ms returned []
[2024-05-31 21:10:18] [INFO ] Flow matrix only has 145 transitions (discarded 81 similar events)
[2024-05-31 21:10:18] [INFO ] Invariant cache hit.
[2024-05-31 21:10:18] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-05-31 21:10:18] [INFO ] Implicit Places using invariants and state equation in 144 ms returned []
Implicit Place search using SMT with State Equation took 258 ms to find 0 implicit places.
[2024-05-31 21:10:18] [INFO ] Redundant transitions in 0 ms returned []
Running 224 sub problems to find dead transitions.
[2024-05-31 21:10:18] [INFO ] Flow matrix only has 145 transitions (discarded 81 similar events)
[2024-05-31 21:10:18] [INFO ] Invariant cache hit.
[2024-05-31 21:10:18] [INFO ] State equation strengthened by 26 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/92 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/92 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 2 (OVERLAPS) 145/237 variables, 92/95 constraints. Problems are: Problem set: 0 solved, 224 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/237 variables, 26/121 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/237 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 5 (OVERLAPS) 0/237 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 224 unsolved
No progress, stopping.
After SMT solving in domain Real declared 237/237 variables, and 121 constraints, problems are : Problem set: 0 solved, 224 unsolved in 3639 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 92/92 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 224/224 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 224 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/92 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/92 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 2 (OVERLAPS) 145/237 variables, 92/95 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/237 variables, 26/121 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/237 variables, 224/345 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/237 variables, 0/345 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 6 (OVERLAPS) 0/237 variables, 0/345 constraints. Problems are: Problem set: 0 solved, 224 unsolved
No progress, stopping.
After SMT solving in domain Int declared 237/237 variables, and 345 constraints, problems are : Problem set: 0 solved, 224 unsolved in 6484 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 92/92 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 224/224 constraints, Known Traps: 0/0 constraints]
After SMT, in 10293ms problems are : Problem set: 0 solved, 224 unsolved
Search for dead transitions found 0 dead transitions in 10296ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10566 ms. Remains : 92/92 places, 226/226 transitions.
[2024-05-31 21:10:29] [INFO ] Flow matrix only has 145 transitions (discarded 81 similar events)
Found an invariant !
This invariant on transitions {33=1, 71=1, 105=1, 136=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {35=1, 73=1, 107=1, 138=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 24 ms. (steps per millisecond=416 ) properties (out of 6) seen :[3, 7, 3, 2, 3, 6]
Current structural bounds on expressions (after cover walk) : Max Seen:[178, 42, 405, 47, 180, 1185] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:10:29] [INFO ] Flow matrix only has 145 transitions (discarded 81 similar events)
[2024-05-31 21:10:29] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[178, 42, 405, 47, 180, 1185] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1050 ms. (951 steps per ms)
BEST_FIRST walk for 6000006 steps (12 resets) in 3942 ms. (1521 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[178, 42, 417, 47, 180, 1275] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:10:34] [INFO ] Flow matrix only has 145 transitions (discarded 81 similar events)
[2024-05-31 21:10:34] [INFO ] Invariant cache hit.
[2024-05-31 21:10:34] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:34] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:10:34] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-05-31 21:10:34] [INFO ] [Real]Added 26 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:10:34] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:10:34] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:34] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:10:34] [INFO ] [Nat]Added 26 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:10:34] [INFO ] Computed and/alt/rep : 63/302/58 causal constraints (skipped 85 transitions) in 8 ms.
[2024-05-31 21:10:34] [INFO ] Added : 32 causal constraints over 8 iterations in 84 ms. Result :sat
Minimization took 32 ms.
[2024-05-31 21:10:34] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:10:34] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:10:34] [INFO ] [Real]Added 26 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:10:34] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:10:34] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:10:34] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2024-05-31 21:10:34] [INFO ] [Nat]Added 26 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:10:34] [INFO ] Deduced a trap composed of 25 places in 61 ms of which 1 ms to minimize.
[2024-05-31 21:10:34] [INFO ] Deduced a trap composed of 29 places in 53 ms of which 1 ms to minimize.
[2024-05-31 21:10:34] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 128 ms
[2024-05-31 21:10:34] [INFO ] Computed and/alt/rep : 63/302/58 causal constraints (skipped 85 transitions) in 7 ms.
[2024-05-31 21:10:34] [INFO ] Added : 14 causal constraints over 4 iterations in 43 ms. Result :sat
Minimization took 27 ms.
[2024-05-31 21:10:35] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:10:35] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:10:35] [INFO ] [Real]Added 26 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:10:35] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:10:35] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:35] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:10:35] [INFO ] [Nat]Added 26 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:10:35] [INFO ] Deduced a trap composed of 19 places in 68 ms of which 1 ms to minimize.
[2024-05-31 21:10:35] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 78 ms
[2024-05-31 21:10:35] [INFO ] Computed and/alt/rep : 63/302/58 causal constraints (skipped 85 transitions) in 8 ms.
[2024-05-31 21:10:35] [INFO ] Added : 35 causal constraints over 9 iterations in 94 ms. Result :sat
Minimization took 33 ms.
[2024-05-31 21:10:35] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:35] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:10:35] [INFO ] [Real]Added 26 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:10:35] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:10:35] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:35] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:10:35] [INFO ] [Nat]Added 26 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:10:35] [INFO ] Deduced a trap composed of 20 places in 61 ms of which 1 ms to minimize.
[2024-05-31 21:10:35] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 70 ms
[2024-05-31 21:10:35] [INFO ] Computed and/alt/rep : 63/302/58 causal constraints (skipped 85 transitions) in 8 ms.
[2024-05-31 21:10:35] [INFO ] Added : 9 causal constraints over 4 iterations in 61 ms. Result :sat
Minimization took 27 ms.
[2024-05-31 21:10:35] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:10:35] [INFO ] [Real]Absence check using state equation in 42 ms returned sat
[2024-05-31 21:10:35] [INFO ] [Real]Added 26 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:10:35] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:10:35] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:35] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:10:35] [INFO ] [Nat]Added 26 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:10:35] [INFO ] Computed and/alt/rep : 63/302/58 causal constraints (skipped 85 transitions) in 9 ms.
[2024-05-31 21:10:35] [INFO ] Added : 15 causal constraints over 5 iterations in 57 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 21:10:36] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:36] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:10:36] [INFO ] [Real]Added 26 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:10:36] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:10:36] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:36] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:10:36] [INFO ] [Nat]Added 26 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:10:36] [INFO ] Deduced a trap composed of 19 places in 44 ms of which 1 ms to minimize.
[2024-05-31 21:10:36] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 56 ms
[2024-05-31 21:10:36] [INFO ] Computed and/alt/rep : 63/302/58 causal constraints (skipped 85 transitions) in 9 ms.
[2024-05-31 21:10:36] [INFO ] Added : 12 causal constraints over 4 iterations in 56 ms. Result :sat
Minimization took 27 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[178, 42, 417, 47, 180, 1275] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[178, 42, 417, 47, 180, 1275] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
Support contains 6 out of 92 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 92/92 places, 226/226 transitions.
Applied a total of 0 rules in 3 ms. Remains 92 /92 variables (removed 0) and now considering 226/226 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 92/92 places, 226/226 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 92/92 places, 226/226 transitions.
Applied a total of 0 rules in 2 ms. Remains 92 /92 variables (removed 0) and now considering 226/226 (removed 0) transitions.
[2024-05-31 21:10:39] [INFO ] Flow matrix only has 145 transitions (discarded 81 similar events)
[2024-05-31 21:10:39] [INFO ] Invariant cache hit.
[2024-05-31 21:10:39] [INFO ] Implicit Places using invariants in 73 ms returned []
[2024-05-31 21:10:39] [INFO ] Flow matrix only has 145 transitions (discarded 81 similar events)
[2024-05-31 21:10:39] [INFO ] Invariant cache hit.
[2024-05-31 21:10:40] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-05-31 21:10:40] [INFO ] Implicit Places using invariants and state equation in 134 ms returned []
Implicit Place search using SMT with State Equation took 218 ms to find 0 implicit places.
[2024-05-31 21:10:40] [INFO ] Redundant transitions in 0 ms returned []
Running 224 sub problems to find dead transitions.
[2024-05-31 21:10:40] [INFO ] Flow matrix only has 145 transitions (discarded 81 similar events)
[2024-05-31 21:10:40] [INFO ] Invariant cache hit.
[2024-05-31 21:10:40] [INFO ] State equation strengthened by 26 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/92 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/92 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 2 (OVERLAPS) 145/237 variables, 92/95 constraints. Problems are: Problem set: 0 solved, 224 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/237 variables, 26/121 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/237 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 5 (OVERLAPS) 0/237 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 224 unsolved
No progress, stopping.
After SMT solving in domain Real declared 237/237 variables, and 121 constraints, problems are : Problem set: 0 solved, 224 unsolved in 3599 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 92/92 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 224/224 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 224 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/92 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/92 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 2 (OVERLAPS) 145/237 variables, 92/95 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/237 variables, 26/121 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/237 variables, 224/345 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/237 variables, 0/345 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 6 (OVERLAPS) 0/237 variables, 0/345 constraints. Problems are: Problem set: 0 solved, 224 unsolved
No progress, stopping.
After SMT solving in domain Int declared 237/237 variables, and 345 constraints, problems are : Problem set: 0 solved, 224 unsolved in 6614 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 92/92 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 224/224 constraints, Known Traps: 0/0 constraints]
After SMT, in 10371ms problems are : Problem set: 0 solved, 224 unsolved
Search for dead transitions found 0 dead transitions in 10375ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10600 ms. Remains : 92/92 places, 226/226 transitions.
[2024-05-31 21:10:50] [INFO ] Flow matrix only has 145 transitions (discarded 81 similar events)
Found an invariant !
This invariant on transitions {33=1, 71=1, 105=1, 136=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {35=1, 73=1, 107=1, 138=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 27 ms. (steps per millisecond=370 ) properties (out of 6) seen :[3, 7, 3, 7, 5, 16]
Current structural bounds on expressions (after cover walk) : Max Seen:[178, 42, 417, 47, 180, 1275] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:10:50] [INFO ] Flow matrix only has 145 transitions (discarded 81 similar events)
[2024-05-31 21:10:50] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[178, 42, 417, 47, 180, 1275] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 992 ms. (1007 steps per ms)
BEST_FIRST walk for 6000006 steps (12 resets) in 3870 ms. (1549 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[178, 42, 417, 47, 180, 1275] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:10:55] [INFO ] Flow matrix only has 145 transitions (discarded 81 similar events)
[2024-05-31 21:10:55] [INFO ] Invariant cache hit.
[2024-05-31 21:10:55] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:55] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2024-05-31 21:10:55] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-05-31 21:10:55] [INFO ] [Real]Added 26 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:10:55] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:10:55] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:55] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2024-05-31 21:10:55] [INFO ] [Nat]Added 26 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:10:55] [INFO ] Computed and/alt/rep : 63/302/58 causal constraints (skipped 85 transitions) in 9 ms.
[2024-05-31 21:10:55] [INFO ] Added : 32 causal constraints over 8 iterations in 80 ms. Result :sat
Minimization took 30 ms.
[2024-05-31 21:10:55] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:55] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:10:55] [INFO ] [Real]Added 26 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:10:55] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:10:55] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:55] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:10:55] [INFO ] [Nat]Added 26 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:10:55] [INFO ] Deduced a trap composed of 25 places in 59 ms of which 1 ms to minimize.
[2024-05-31 21:10:55] [INFO ] Deduced a trap composed of 29 places in 63 ms of which 1 ms to minimize.
[2024-05-31 21:10:55] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 142 ms
[2024-05-31 21:10:55] [INFO ] Computed and/alt/rep : 63/302/58 causal constraints (skipped 85 transitions) in 7 ms.
[2024-05-31 21:10:56] [INFO ] Added : 14 causal constraints over 4 iterations in 46 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 21:10:56] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:56] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2024-05-31 21:10:56] [INFO ] [Real]Added 26 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:10:56] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:10:56] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:56] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2024-05-31 21:10:56] [INFO ] [Nat]Added 26 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:10:56] [INFO ] Deduced a trap composed of 19 places in 54 ms of which 1 ms to minimize.
[2024-05-31 21:10:56] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 64 ms
[2024-05-31 21:10:56] [INFO ] Computed and/alt/rep : 63/302/58 causal constraints (skipped 85 transitions) in 7 ms.
[2024-05-31 21:10:56] [INFO ] Added : 35 causal constraints over 9 iterations in 90 ms. Result :sat
Minimization took 32 ms.
[2024-05-31 21:10:56] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:56] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2024-05-31 21:10:56] [INFO ] [Real]Added 26 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:10:56] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:10:56] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:56] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2024-05-31 21:10:56] [INFO ] [Nat]Added 26 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:10:56] [INFO ] Deduced a trap composed of 20 places in 68 ms of which 1 ms to minimize.
[2024-05-31 21:10:56] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 90 ms
[2024-05-31 21:10:56] [INFO ] Computed and/alt/rep : 63/302/58 causal constraints (skipped 85 transitions) in 7 ms.
[2024-05-31 21:10:56] [INFO ] Added : 9 causal constraints over 4 iterations in 42 ms. Result :sat
Minimization took 26 ms.
[2024-05-31 21:10:56] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:56] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2024-05-31 21:10:56] [INFO ] [Real]Added 26 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:10:56] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:10:56] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:10:56] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2024-05-31 21:10:56] [INFO ] [Nat]Added 26 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:10:56] [INFO ] Computed and/alt/rep : 63/302/58 causal constraints (skipped 85 transitions) in 8 ms.
[2024-05-31 21:10:56] [INFO ] Added : 15 causal constraints over 5 iterations in 60 ms. Result :sat
Minimization took 26 ms.
[2024-05-31 21:10:56] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:10:56] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2024-05-31 21:10:56] [INFO ] [Real]Added 26 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:10:56] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:10:57] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:57] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2024-05-31 21:10:57] [INFO ] [Nat]Added 26 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:10:57] [INFO ] Deduced a trap composed of 19 places in 53 ms of which 1 ms to minimize.
[2024-05-31 21:10:57] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 61 ms
[2024-05-31 21:10:57] [INFO ] Computed and/alt/rep : 63/302/58 causal constraints (skipped 85 transitions) in 7 ms.
[2024-05-31 21:10:57] [INFO ] Added : 12 causal constraints over 4 iterations in 46 ms. Result :sat
Minimization took 26 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[178, 42, 417, 47, 180, 1275] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[178, 42, 417, 47, 180, 1275] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
Support contains 6 out of 92 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 92/92 places, 226/226 transitions.
Applied a total of 0 rules in 13 ms. Remains 92 /92 variables (removed 0) and now considering 226/226 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 92/92 places, 226/226 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 92/92 places, 226/226 transitions.
Applied a total of 0 rules in 3 ms. Remains 92 /92 variables (removed 0) and now considering 226/226 (removed 0) transitions.
[2024-05-31 21:11:00] [INFO ] Flow matrix only has 145 transitions (discarded 81 similar events)
[2024-05-31 21:11:00] [INFO ] Invariant cache hit.
[2024-05-31 21:11:00] [INFO ] Implicit Places using invariants in 136 ms returned []
[2024-05-31 21:11:00] [INFO ] Flow matrix only has 145 transitions (discarded 81 similar events)
[2024-05-31 21:11:00] [INFO ] Invariant cache hit.
[2024-05-31 21:11:00] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-05-31 21:11:01] [INFO ] Implicit Places using invariants and state equation in 119 ms returned []
Implicit Place search using SMT with State Equation took 286 ms to find 0 implicit places.
[2024-05-31 21:11:01] [INFO ] Redundant transitions in 1 ms returned []
Running 224 sub problems to find dead transitions.
[2024-05-31 21:11:01] [INFO ] Flow matrix only has 145 transitions (discarded 81 similar events)
[2024-05-31 21:11:01] [INFO ] Invariant cache hit.
[2024-05-31 21:11:01] [INFO ] State equation strengthened by 26 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/92 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/92 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 2 (OVERLAPS) 145/237 variables, 92/95 constraints. Problems are: Problem set: 0 solved, 224 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/237 variables, 26/121 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/237 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 5 (OVERLAPS) 0/237 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 224 unsolved
No progress, stopping.
After SMT solving in domain Real declared 237/237 variables, and 121 constraints, problems are : Problem set: 0 solved, 224 unsolved in 3694 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 92/92 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 224/224 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 224 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/92 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/92 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 2 (OVERLAPS) 145/237 variables, 92/95 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/237 variables, 26/121 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/237 variables, 224/345 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/237 variables, 0/345 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 6 (OVERLAPS) 0/237 variables, 0/345 constraints. Problems are: Problem set: 0 solved, 224 unsolved
No progress, stopping.
After SMT solving in domain Int declared 237/237 variables, and 345 constraints, problems are : Problem set: 0 solved, 224 unsolved in 6506 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 92/92 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 224/224 constraints, Known Traps: 0/0 constraints]
After SMT, in 10360ms problems are : Problem set: 0 solved, 224 unsolved
Search for dead transitions found 0 dead transitions in 10362ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10659 ms. Remains : 92/92 places, 226/226 transitions.
[2024-05-31 21:11:11] [INFO ] Flow matrix only has 145 transitions (discarded 81 similar events)
Found an invariant !
This invariant on transitions {33=1, 71=1, 105=1, 136=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {35=1, 73=1, 107=1, 138=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 28 ms. (steps per millisecond=357 ) properties (out of 6) seen :[4, 9, 4, 9, 4, 9]
Current structural bounds on expressions (after cover walk) : Max Seen:[178, 42, 417, 47, 180, 1275] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 40002 steps (8 resets) in 1139 ms. (35 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 103 ms. (384 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 151 ms. (263 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 128 ms. (310 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 154 ms. (258 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 89 ms. (444 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 125 ms. (317 steps per ms) remains 6/6 properties
Interrupted probabilistic random walk after 485143 steps, run timeout after 3001 ms. (steps per millisecond=161 ) properties seen :0 out of 6
Probabilistic random walk after 485143 steps, saw 305490 distinct states, run finished after 3004 ms. (steps per millisecond=161 ) properties seen :0
[2024-05-31 21:11:15] [INFO ] Flow matrix only has 145 transitions (discarded 81 similar events)
[2024-05-31 21:11:15] [INFO ] Invariant cache hit.
[2024-05-31 21:11:15] [INFO ] State equation strengthened by 26 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 19/25 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 90/115 variables, 17/23 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/115 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/115 variables, 3/27 constraints. Problems are: Problem set: 0 solved, 6 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/115 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 5/120 variables, 1/28 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/120 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/120 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (OVERLAPS) 100/220 variables, 57/86 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/220 variables, 23/109 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/220 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 13 (OVERLAPS) 6/226 variables, 1/110 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/226 variables, 0/110 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 15 (OVERLAPS) 11/237 variables, 11/121 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/237 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 17 (OVERLAPS) 0/237 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 237/237 variables, and 121 constraints, problems are : Problem set: 0 solved, 6 unsolved in 202 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 92/92 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 19/25 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 90/115 variables, 17/23 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/115 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/115 variables, 3/27 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/115 variables, 4/31 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/115 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (OVERLAPS) 5/120 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/120 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/120 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (OVERLAPS) 100/220 variables, 57/90 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/220 variables, 23/113 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/220 variables, 2/115 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/220 variables, 0/115 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 15 (OVERLAPS) 6/226 variables, 1/116 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/226 variables, 0/116 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 17 (OVERLAPS) 11/237 variables, 11/127 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/237 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 19 (OVERLAPS) 0/237 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 237/237 variables, and 127 constraints, problems are : Problem set: 0 solved, 6 unsolved in 256 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 92/92 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
After SMT, in 463ms problems are : Problem set: 0 solved, 6 unsolved
Fused 6 Parikh solutions to 4 different solutions.
Parikh walk visited 1 properties in 39351 ms.
Support contains 5 out of 92 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 92/92 places, 226/226 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 91 transition count 224
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 91 transition count 224
Applied a total of 2 rules in 6 ms. Remains 91 /92 variables (removed 1) and now considering 224/226 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 91/92 places, 224/226 transitions.
RANDOM walk for 40002 steps (8 resets) in 82 ms. (481 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 79 ms. (500 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 82 ms. (481 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 84 ms. (470 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 71 ms. (555 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (8 resets) in 88 ms. (449 steps per ms) remains 5/5 properties
Interrupted probabilistic random walk after 338051 steps, run timeout after 3001 ms. (steps per millisecond=112 ) properties seen :0 out of 5
Probabilistic random walk after 338051 steps, saw 213934 distinct states, run finished after 3001 ms. (steps per millisecond=112 ) properties seen :0
[2024-05-31 21:11:58] [INFO ] Flow matrix only has 142 transitions (discarded 82 similar events)
// Phase 1: matrix 142 rows 91 cols
[2024-05-31 21:11:58] [INFO ] Computed 3 invariants in 2 ms
[2024-05-31 21:11:58] [INFO ] State equation strengthened by 24 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 16/21 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 87/108 variables, 16/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 1/22 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/108 variables, 3/25 constraints. Problems are: Problem set: 0 solved, 5 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/108 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 5/113 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/113 variables, 1/27 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/113 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (OVERLAPS) 102/215 variables, 57/84 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/215 variables, 21/105 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/215 variables, 0/105 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 13 (OVERLAPS) 6/221 variables, 1/106 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/221 variables, 0/106 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 15 (OVERLAPS) 12/233 variables, 12/118 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/233 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 17 (OVERLAPS) 0/233 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 233/233 variables, and 118 constraints, problems are : Problem set: 0 solved, 5 unsolved in 178 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 91/91 constraints, ReadFeed: 24/24 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 16/21 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 87/108 variables, 16/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 1/22 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/108 variables, 3/25 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/108 variables, 4/29 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/108 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (OVERLAPS) 5/113 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/113 variables, 1/31 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/113 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (OVERLAPS) 102/215 variables, 57/88 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/215 variables, 21/109 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/215 variables, 1/110 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/215 variables, 0/110 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 15 (OVERLAPS) 6/221 variables, 1/111 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/221 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 17 (OVERLAPS) 12/233 variables, 12/123 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/233 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 19 (OVERLAPS) 0/233 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 233/233 variables, and 123 constraints, problems are : Problem set: 0 solved, 5 unsolved in 214 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 91/91 constraints, ReadFeed: 24/24 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
After SMT, in 402ms problems are : Problem set: 0 solved, 5 unsolved
Fused 5 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 24951 ms.
Support contains 5 out of 91 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 91/91 places, 224/224 transitions.
Applied a total of 0 rules in 13 ms. Remains 91 /91 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 91/91 places, 224/224 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 91/91 places, 224/224 transitions.
Applied a total of 0 rules in 2 ms. Remains 91 /91 variables (removed 0) and now considering 224/224 (removed 0) transitions.
[2024-05-31 21:12:23] [INFO ] Flow matrix only has 142 transitions (discarded 82 similar events)
[2024-05-31 21:12:23] [INFO ] Invariant cache hit.
[2024-05-31 21:12:23] [INFO ] Implicit Places using invariants in 67 ms returned []
[2024-05-31 21:12:23] [INFO ] Flow matrix only has 142 transitions (discarded 82 similar events)
[2024-05-31 21:12:23] [INFO ] Invariant cache hit.
[2024-05-31 21:12:23] [INFO ] State equation strengthened by 24 read => feed constraints.
[2024-05-31 21:12:23] [INFO ] Implicit Places using invariants and state equation in 121 ms returned []
Implicit Place search using SMT with State Equation took 190 ms to find 0 implicit places.
[2024-05-31 21:12:23] [INFO ] Redundant transitions in 1 ms returned []
Running 222 sub problems to find dead transitions.
[2024-05-31 21:12:23] [INFO ] Flow matrix only has 142 transitions (discarded 82 similar events)
[2024-05-31 21:12:23] [INFO ] Invariant cache hit.
[2024-05-31 21:12:23] [INFO ] State equation strengthened by 24 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/91 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/91 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 222 unsolved
At refinement iteration 2 (OVERLAPS) 142/233 variables, 91/94 constraints. Problems are: Problem set: 0 solved, 222 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/233 variables, 24/118 constraints. Problems are: Problem set: 0 solved, 222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/233 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 222 unsolved
At refinement iteration 5 (OVERLAPS) 0/233 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 222 unsolved
No progress, stopping.
After SMT solving in domain Real declared 233/233 variables, and 118 constraints, problems are : Problem set: 0 solved, 222 unsolved in 3487 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 91/91 constraints, ReadFeed: 24/24 constraints, PredecessorRefiner: 222/222 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/91 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/91 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 222 unsolved
At refinement iteration 2 (OVERLAPS) 142/233 variables, 91/94 constraints. Problems are: Problem set: 0 solved, 222 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/233 variables, 24/118 constraints. Problems are: Problem set: 0 solved, 222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/233 variables, 222/340 constraints. Problems are: Problem set: 0 solved, 222 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/233 variables, 0/340 constraints. Problems are: Problem set: 0 solved, 222 unsolved
At refinement iteration 6 (OVERLAPS) 0/233 variables, 0/340 constraints. Problems are: Problem set: 0 solved, 222 unsolved
No progress, stopping.
After SMT solving in domain Int declared 233/233 variables, and 340 constraints, problems are : Problem set: 0 solved, 222 unsolved in 6221 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 91/91 constraints, ReadFeed: 24/24 constraints, PredecessorRefiner: 222/222 constraints, Known Traps: 0/0 constraints]
After SMT, in 9863ms problems are : Problem set: 0 solved, 222 unsolved
Search for dead transitions found 0 dead transitions in 9867ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10071 ms. Remains : 91/91 places, 224/224 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 82 transitions
Reduce isomorphic transitions removed 82 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 89 rules applied. Total rules applied 89 place count 91 transition count 135
Reduce places removed 7 places and 0 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 1 with 9 rules applied. Total rules applied 98 place count 84 transition count 133
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 100 place count 82 transition count 133
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 16 Pre rules applied. Total rules applied 100 place count 82 transition count 117
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 3 with 32 rules applied. Total rules applied 132 place count 66 transition count 117
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: 15
Deduced a syphon composed of 15 places in 0 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 3 with 30 rules applied. Total rules applied 162 place count 51 transition count 102
Discarding 7 places :
Symmetric choice reduction at 3 with 7 rule applications. Total rules 169 place count 44 transition count 88
Iterating global reduction 3 with 7 rules applied. Total rules applied 176 place count 44 transition count 88
Discarding 7 places :
Symmetric choice reduction at 3 with 7 rule applications. Total rules 183 place count 37 transition count 74
Iterating global reduction 3 with 7 rules applied. Total rules applied 190 place count 37 transition count 74
Discarding 7 places :
Symmetric choice reduction at 3 with 7 rule applications. Total rules 197 place count 30 transition count 60
Iterating global reduction 3 with 7 rules applied. Total rules applied 204 place count 30 transition count 60
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 3 with 7 rules applied. Total rules applied 211 place count 30 transition count 53
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 211 place count 30 transition count 52
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 213 place count 29 transition count 52
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 215 place count 28 transition count 52
Applied a total of 215 rules in 24 ms. Remains 28 /91 variables (removed 63) and now considering 52/224 (removed 172) transitions.
Running SMT prover for 5 properties.
// Phase 1: matrix 52 rows 28 cols
[2024-05-31 21:12:33] [INFO ] Computed 3 invariants in 1 ms
[2024-05-31 21:12:33] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:12:33] [INFO ] After 29ms SMT Verify possible using state equation in real domain returned unsat :0 sat :2 real:3
[2024-05-31 21:12:33] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 21:12:33] [INFO ] After 4ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:5
[2024-05-31 21:12:33] [INFO ] After 64ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:5
[2024-05-31 21:12:33] [INFO ] [Nat]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-31 21:12:33] [INFO ] After 19ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :5
[2024-05-31 21:12:33] [INFO ] After 10ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :5
TRAPS : Iteration 0
[2024-05-31 21:12:33] [INFO ] After 25ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :5
[2024-05-31 21:12:33] [INFO ] After 83ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :5
Over-approximation ignoring read arcs solved 0 properties in 177 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[178, 42, 417, 47, 180, 1275] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
Starting property specific reduction for FunctionPointer-PT-b032-UpperBounds-02
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-31 21:12:33] [INFO ] Flow matrix only has 145 transitions (discarded 81 similar events)
// Phase 1: matrix 145 rows 92 cols
[2024-05-31 21:12:33] [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 14 ms. (666 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 10 ms. (909 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2024-05-31 21:12:33] [INFO ] Flow matrix only has 145 transitions (discarded 81 similar events)
[2024-05-31 21:12:33] [INFO ] Invariant cache hit.
[2024-05-31 21:12:33] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:12:33] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:12:34] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-05-31 21:12:34] [INFO ] [Real]Added 26 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:12:34] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:12:34] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:12:34] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:12:34] [INFO ] [Nat]Added 26 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:12:34] [INFO ] Computed and/alt/rep : 63/302/58 causal constraints (skipped 85 transitions) in 9 ms.
[2024-05-31 21:12:34] [INFO ] Added : 33 causal constraints over 8 iterations in 85 ms. Result :sat
Minimization took 35 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[+inf]
Support contains 1 out of 92 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 92/92 places, 226/226 transitions.
Graph (complete) has 391 edges and 92 vertex of which 86 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.1 ms
Discarding 6 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 0 with 10 rules applied. Total rules applied 11 place count 86 transition count 216
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 13 place count 84 transition count 212
Iterating global reduction 1 with 2 rules applied. Total rules applied 15 place count 84 transition count 212
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 16 place count 83 transition count 208
Iterating global reduction 1 with 1 rules applied. Total rules applied 17 place count 83 transition count 208
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 18 place count 82 transition count 206
Iterating global reduction 1 with 1 rules applied. Total rules applied 19 place count 82 transition count 206
Applied a total of 19 rules in 10 ms. Remains 82 /92 variables (removed 10) and now considering 206/226 (removed 20) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 82/92 places, 206/226 transitions.
[2024-05-31 21:12:34] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
Found an invariant !
This invariant on transitions {30=1, 63=1, 93=1, 121=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {24=1, 57=1, 87=1, 122=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 27 ms. (steps per millisecond=370 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[2] Max Struct:[+inf]
[2024-05-31 21:12:34] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
// Phase 1: matrix 126 rows 82 cols
[2024-05-31 21:12:34] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1017 ms. (982 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 639 ms. (1562 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[280] Max Struct:[+inf]
[2024-05-31 21:12:35] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2024-05-31 21:12:35] [INFO ] Invariant cache hit.
[2024-05-31 21:12:36] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:12:36] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2024-05-31 21:12:36] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:12:36] [INFO ] [Real]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:12:36] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:12:36] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:12:36] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2024-05-31 21:12:36] [INFO ] [Nat]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:12:36] [INFO ] Deduced a trap composed of 15 places in 47 ms of which 0 ms to minimize.
[2024-05-31 21:12:36] [INFO ] Deduced a trap composed of 18 places in 47 ms of which 1 ms to minimize.
[2024-05-31 21:12:36] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 108 ms
[2024-05-31 21:12:36] [INFO ] Computed and/alt/rep : 59/192/53 causal constraints (skipped 71 transitions) in 6 ms.
[2024-05-31 21:12:36] [INFO ] Added : 9 causal constraints over 3 iterations in 34 ms. Result :sat
Minimization took 23 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[280] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[280] Max Struct:[+inf]
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 206/206 transitions.
Applied a total of 0 rules in 6 ms. Remains 82 /82 variables (removed 0) and now considering 206/206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 82/82 places, 206/206 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 206/206 transitions.
Applied a total of 0 rules in 3 ms. Remains 82 /82 variables (removed 0) and now considering 206/206 (removed 0) transitions.
[2024-05-31 21:12:36] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2024-05-31 21:12:36] [INFO ] Invariant cache hit.
[2024-05-31 21:12:36] [INFO ] Implicit Places using invariants in 66 ms returned []
[2024-05-31 21:12:36] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2024-05-31 21:12:36] [INFO ] Invariant cache hit.
[2024-05-31 21:12:36] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:12:36] [INFO ] Implicit Places using invariants and state equation in 105 ms returned []
Implicit Place search using SMT with State Equation took 172 ms to find 0 implicit places.
[2024-05-31 21:12:36] [INFO ] Redundant transitions in 0 ms returned []
Running 204 sub problems to find dead transitions.
[2024-05-31 21:12:36] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2024-05-31 21:12:36] [INFO ] Invariant cache hit.
[2024-05-31 21:12:36] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 2 (OVERLAPS) 126/208 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 204 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/208 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/208 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 5 (OVERLAPS) 0/208 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
No progress, stopping.
After SMT solving in domain Real declared 208/208 variables, and 103 constraints, problems are : Problem set: 0 solved, 204 unsolved in 3144 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 204/204 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 204 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 2 (OVERLAPS) 126/208 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/208 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/208 variables, 204/307 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/208 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 6 (OVERLAPS) 0/208 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 204 unsolved
No progress, stopping.
After SMT solving in domain Int declared 208/208 variables, and 307 constraints, problems are : Problem set: 0 solved, 204 unsolved in 5109 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 204/204 constraints, Known Traps: 0/0 constraints]
After SMT, in 8361ms problems are : Problem set: 0 solved, 204 unsolved
Search for dead transitions found 0 dead transitions in 8363ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8542 ms. Remains : 82/82 places, 206/206 transitions.
[2024-05-31 21:12:44] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
Found an invariant !
This invariant on transitions {30=1, 63=1, 93=1, 121=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {24=1, 57=1, 87=1, 122=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 27 ms. (steps per millisecond=370 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[280] Max Struct:[+inf]
[2024-05-31 21:12:44] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2024-05-31 21:12:44] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[280] Max Struct:[+inf]
RANDOM walk for 1000002 steps (2 resets) in 945 ms. (1057 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 637 ms. (1567 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[292] Max Struct:[+inf]
[2024-05-31 21:12:46] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2024-05-31 21:12:46] [INFO ] Invariant cache hit.
[2024-05-31 21:12:46] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:12:46] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:12:46] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:12:46] [INFO ] [Real]Added 18 Read/Feed constraints in 9 ms returned sat
[2024-05-31 21:12:46] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:12:46] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:12:46] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2024-05-31 21:12:46] [INFO ] [Nat]Added 18 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:12:46] [INFO ] Deduced a trap composed of 15 places in 43 ms of which 0 ms to minimize.
[2024-05-31 21:12:46] [INFO ] Deduced a trap composed of 18 places in 37 ms of which 1 ms to minimize.
[2024-05-31 21:12:46] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 96 ms
[2024-05-31 21:12:46] [INFO ] Computed and/alt/rep : 59/192/53 causal constraints (skipped 71 transitions) in 8 ms.
[2024-05-31 21:12:46] [INFO ] Added : 9 causal constraints over 3 iterations in 38 ms. Result :sat
Minimization took 23 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[292] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[292] Max Struct:[+inf]
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 206/206 transitions.
Applied a total of 0 rules in 4 ms. Remains 82 /82 variables (removed 0) and now considering 206/206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 82/82 places, 206/206 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 206/206 transitions.
Applied a total of 0 rules in 3 ms. Remains 82 /82 variables (removed 0) and now considering 206/206 (removed 0) transitions.
[2024-05-31 21:12:46] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2024-05-31 21:12:46] [INFO ] Invariant cache hit.
[2024-05-31 21:12:46] [INFO ] Implicit Places using invariants in 59 ms returned []
[2024-05-31 21:12:46] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2024-05-31 21:12:46] [INFO ] Invariant cache hit.
[2024-05-31 21:12:46] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:12:46] [INFO ] Implicit Places using invariants and state equation in 97 ms returned []
Implicit Place search using SMT with State Equation took 156 ms to find 0 implicit places.
[2024-05-31 21:12:46] [INFO ] Redundant transitions in 1 ms returned []
Running 204 sub problems to find dead transitions.
[2024-05-31 21:12:46] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2024-05-31 21:12:46] [INFO ] Invariant cache hit.
[2024-05-31 21:12:46] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 2 (OVERLAPS) 126/208 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 204 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/208 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/208 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 5 (OVERLAPS) 0/208 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
No progress, stopping.
After SMT solving in domain Real declared 208/208 variables, and 103 constraints, problems are : Problem set: 0 solved, 204 unsolved in 3088 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 204/204 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 204 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 2 (OVERLAPS) 126/208 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/208 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/208 variables, 204/307 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/208 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 6 (OVERLAPS) 0/208 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 204 unsolved
No progress, stopping.
After SMT solving in domain Int declared 208/208 variables, and 307 constraints, problems are : Problem set: 0 solved, 204 unsolved in 5403 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 204/204 constraints, Known Traps: 0/0 constraints]
After SMT, in 8594ms problems are : Problem set: 0 solved, 204 unsolved
Search for dead transitions found 0 dead transitions in 8596ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8759 ms. Remains : 82/82 places, 206/206 transitions.
[2024-05-31 21:12:55] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
Found an invariant !
This invariant on transitions {30=1, 63=1, 93=1, 121=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {24=1, 57=1, 87=1, 122=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 28 ms. (steps per millisecond=357 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[292] Max Struct:[+inf]
[2024-05-31 21:12:55] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2024-05-31 21:12:55] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[292] Max Struct:[+inf]
RANDOM walk for 1000003 steps (2 resets) in 969 ms. (1030 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 624 ms. (1600 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[292] Max Struct:[+inf]
[2024-05-31 21:12:57] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2024-05-31 21:12:57] [INFO ] Invariant cache hit.
[2024-05-31 21:12:57] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:12:57] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2024-05-31 21:12:57] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:12:57] [INFO ] [Real]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:12:57] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:12:57] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:12:57] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2024-05-31 21:12:57] [INFO ] [Nat]Added 18 Read/Feed constraints in 2 ms returned sat
[2024-05-31 21:12:57] [INFO ] Deduced a trap composed of 15 places in 49 ms of which 1 ms to minimize.
[2024-05-31 21:12:57] [INFO ] Deduced a trap composed of 18 places in 46 ms of which 0 ms to minimize.
[2024-05-31 21:12:57] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 108 ms
[2024-05-31 21:12:57] [INFO ] Computed and/alt/rep : 59/192/53 causal constraints (skipped 71 transitions) in 7 ms.
[2024-05-31 21:12:57] [INFO ] Added : 9 causal constraints over 3 iterations in 33 ms. Result :sat
Minimization took 24 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[292] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[292] Max Struct:[+inf]
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 206/206 transitions.
Applied a total of 0 rules in 7 ms. Remains 82 /82 variables (removed 0) and now considering 206/206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 82/82 places, 206/206 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 206/206 transitions.
Applied a total of 0 rules in 3 ms. Remains 82 /82 variables (removed 0) and now considering 206/206 (removed 0) transitions.
[2024-05-31 21:12:57] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2024-05-31 21:12:57] [INFO ] Invariant cache hit.
[2024-05-31 21:12:57] [INFO ] Implicit Places using invariants in 58 ms returned []
[2024-05-31 21:12:57] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2024-05-31 21:12:57] [INFO ] Invariant cache hit.
[2024-05-31 21:12:57] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:12:57] [INFO ] Implicit Places using invariants and state equation in 98 ms returned []
Implicit Place search using SMT with State Equation took 156 ms to find 0 implicit places.
[2024-05-31 21:12:57] [INFO ] Redundant transitions in 1 ms returned []
Running 204 sub problems to find dead transitions.
[2024-05-31 21:12:57] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2024-05-31 21:12:57] [INFO ] Invariant cache hit.
[2024-05-31 21:12:57] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 2 (OVERLAPS) 126/208 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 204 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/208 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/208 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 5 (OVERLAPS) 0/208 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
No progress, stopping.
After SMT solving in domain Real declared 208/208 variables, and 103 constraints, problems are : Problem set: 0 solved, 204 unsolved in 3217 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 204/204 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 204 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 2 (OVERLAPS) 126/208 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/208 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/208 variables, 204/307 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/208 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 6 (OVERLAPS) 0/208 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 204 unsolved
No progress, stopping.
After SMT solving in domain Int declared 208/208 variables, and 307 constraints, problems are : Problem set: 0 solved, 204 unsolved in 5284 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 204/204 constraints, Known Traps: 0/0 constraints]
After SMT, in 8601ms problems are : Problem set: 0 solved, 204 unsolved
Search for dead transitions found 0 dead transitions in 8604ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8768 ms. Remains : 82/82 places, 206/206 transitions.
[2024-05-31 21:13:06] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
Found an invariant !
This invariant on transitions {30=1, 63=1, 93=1, 121=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {24=1, 57=1, 87=1, 122=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[292] Max Struct:[+inf]
RANDOM walk for 40004 steps (8 resets) in 65 ms. (606 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 32 ms. (1212 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1746045 steps, run timeout after 3021 ms. (steps per millisecond=577 ) properties seen :0 out of 1
Probabilistic random walk after 1746045 steps, saw 1086722 distinct states, run finished after 3021 ms. (steps per millisecond=577 ) properties seen :0
[2024-05-31 21:13:09] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2024-05-31 21:13:09] [INFO ] Invariant cache hit.
[2024-05-31 21:13:09] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/8 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 7/15 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/25 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/25 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 73/98 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/98 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/98 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 7/105 variables, 2/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/105 variables, 3/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/105 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 91/196 variables, 53/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/196 variables, 16/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/196 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 6/202 variables, 1/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/202 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 6/208 variables, 8/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/208 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/208 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 208/208 variables, and 103 constraints, problems are : Problem set: 0 solved, 1 unsolved in 75 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/8 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 7/15 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/25 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/25 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 73/98 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/98 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/98 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/98 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 7/105 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/105 variables, 3/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/105 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 91/196 variables, 53/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/196 variables, 16/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/196 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 6/202 variables, 1/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/202 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 6/208 variables, 8/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/208 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/208 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 208/208 variables, and 104 constraints, problems are : Problem set: 0 solved, 1 unsolved in 103 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 201ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 509 ms.
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 206/206 transitions.
Applied a total of 0 rules in 2 ms. Remains 82 /82 variables (removed 0) and now considering 206/206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 82/82 places, 206/206 transitions.
RANDOM walk for 40001 steps (8 resets) in 84 ms. (470 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 38 ms. (1025 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1868298 steps, run timeout after 3001 ms. (steps per millisecond=622 ) properties seen :0 out of 1
Probabilistic random walk after 1868298 steps, saw 1162818 distinct states, run finished after 3001 ms. (steps per millisecond=622 ) properties seen :0
[2024-05-31 21:13:13] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2024-05-31 21:13:13] [INFO ] Invariant cache hit.
[2024-05-31 21:13:13] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/8 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 7/15 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/25 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/25 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 73/98 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/98 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/98 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 7/105 variables, 2/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/105 variables, 3/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/105 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 91/196 variables, 53/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/196 variables, 16/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/196 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 6/202 variables, 1/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/202 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 6/208 variables, 8/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/208 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/208 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 208/208 variables, and 103 constraints, problems are : Problem set: 0 solved, 1 unsolved in 92 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/8 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 7/15 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/25 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/25 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 73/98 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/98 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/98 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/98 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 7/105 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/105 variables, 3/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/105 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 91/196 variables, 53/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/196 variables, 16/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/196 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 6/202 variables, 1/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/202 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 6/208 variables, 8/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/208 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/208 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 208/208 variables, and 104 constraints, problems are : Problem set: 0 solved, 1 unsolved in 82 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 180ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 485 ms.
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 206/206 transitions.
Applied a total of 0 rules in 3 ms. Remains 82 /82 variables (removed 0) and now considering 206/206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 82/82 places, 206/206 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 206/206 transitions.
Applied a total of 0 rules in 3 ms. Remains 82 /82 variables (removed 0) and now considering 206/206 (removed 0) transitions.
[2024-05-31 21:13:13] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2024-05-31 21:13:13] [INFO ] Invariant cache hit.
[2024-05-31 21:13:13] [INFO ] Implicit Places using invariants in 63 ms returned []
[2024-05-31 21:13:13] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2024-05-31 21:13:13] [INFO ] Invariant cache hit.
[2024-05-31 21:13:13] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:13:14] [INFO ] Implicit Places using invariants and state equation in 104 ms returned []
Implicit Place search using SMT with State Equation took 171 ms to find 0 implicit places.
[2024-05-31 21:13:14] [INFO ] Redundant transitions in 1 ms returned []
Running 204 sub problems to find dead transitions.
[2024-05-31 21:13:14] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2024-05-31 21:13:14] [INFO ] Invariant cache hit.
[2024-05-31 21:13:14] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 2 (OVERLAPS) 126/208 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 204 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/208 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/208 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 5 (OVERLAPS) 0/208 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
No progress, stopping.
After SMT solving in domain Real declared 208/208 variables, and 103 constraints, problems are : Problem set: 0 solved, 204 unsolved in 3128 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 204/204 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 204 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 2 (OVERLAPS) 126/208 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/208 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/208 variables, 204/307 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/208 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 6 (OVERLAPS) 0/208 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 204 unsolved
No progress, stopping.
After SMT solving in domain Int declared 208/208 variables, and 307 constraints, problems are : Problem set: 0 solved, 204 unsolved in 5294 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 204/204 constraints, Known Traps: 0/0 constraints]
After SMT, in 8530ms problems are : Problem set: 0 solved, 204 unsolved
Search for dead transitions found 0 dead transitions in 8532ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8712 ms. Remains : 82/82 places, 206/206 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 80 transitions
Reduce isomorphic transitions removed 80 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 0 with 86 rules applied. Total rules applied 86 place count 82 transition count 120
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 92 place count 76 transition count 120
Performed 17 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 17 Pre rules applied. Total rules applied 92 place count 76 transition count 103
Deduced a syphon composed of 17 places in 0 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 2 with 34 rules applied. Total rules applied 126 place count 59 transition count 103
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: 15
Deduced a syphon composed of 15 places in 0 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 2 with 30 rules applied. Total rules applied 156 place count 44 transition count 88
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 163 place count 37 transition count 74
Iterating global reduction 2 with 7 rules applied. Total rules applied 170 place count 37 transition count 74
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 177 place count 30 transition count 60
Iterating global reduction 2 with 7 rules applied. Total rules applied 184 place count 30 transition count 60
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 191 place count 23 transition count 46
Iterating global reduction 2 with 7 rules applied. Total rules applied 198 place count 23 transition count 46
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 205 place count 23 transition count 39
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 205 place count 23 transition count 38
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 207 place count 22 transition count 38
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 211 place count 20 transition count 38
Applied a total of 211 rules in 12 ms. Remains 20 /82 variables (removed 62) and now considering 38/206 (removed 168) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 38 rows 20 cols
[2024-05-31 21:13:22] [INFO ] Computed 3 invariants in 1 ms
[2024-05-31 21:13:22] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:13:22] [INFO ] After 10ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2024-05-31 21:13:22] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 21:13:22] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 21:13:22] [INFO ] After 36ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 21:13:22] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:13:22] [INFO ] After 11ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-31 21:13:22] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-31 21:13:22] [INFO ] After 4ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-31 21:13:22] [INFO ] After 40ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 93 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[292] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b032-UpperBounds-02 in 48762 ms.
Starting property specific reduction for FunctionPointer-PT-b032-UpperBounds-03
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-31 21:13:22] [INFO ] Flow matrix only has 145 transitions (discarded 81 similar events)
// Phase 1: matrix 145 rows 92 cols
[2024-05-31 21:13:22] [INFO ] Computed 3 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10005 steps (2 resets) in 11 ms. (833 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 6 ms. (1428 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[32] Max Struct:[+inf]
[2024-05-31 21:13:22] [INFO ] Flow matrix only has 145 transitions (discarded 81 similar events)
[2024-05-31 21:13:22] [INFO ] Invariant cache hit.
[2024-05-31 21:13:22] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:13:22] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:13:22] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-05-31 21:13:22] [INFO ] [Real]Added 26 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:13:22] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:13:22] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:13:22] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2024-05-31 21:13:22] [INFO ] [Nat]Added 26 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:13:22] [INFO ] Deduced a trap composed of 22 places in 51 ms of which 1 ms to minimize.
[2024-05-31 21:13:22] [INFO ] Deduced a trap composed of 21 places in 50 ms of which 0 ms to minimize.
[2024-05-31 21:13:22] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 126 ms
[2024-05-31 21:13:22] [INFO ] Computed and/alt/rep : 63/302/58 causal constraints (skipped 85 transitions) in 10 ms.
[2024-05-31 21:13:23] [INFO ] Added : 17 causal constraints over 5 iterations in 58 ms. Result :sat
Minimization took 30 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[32] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[32] Max Struct:[+inf]
Support contains 1 out of 92 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 92/92 places, 226/226 transitions.
Graph (complete) has 391 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 221
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 9 place count 86 transition count 215
Iterating global reduction 1 with 3 rules applied. Total rules applied 12 place count 86 transition count 215
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 14 place count 84 transition count 209
Iterating global reduction 1 with 2 rules applied. Total rules applied 16 place count 84 transition count 209
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 17 place count 83 transition count 207
Iterating global reduction 1 with 1 rules applied. Total rules applied 18 place count 83 transition count 207
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 19 place count 82 transition count 203
Iterating global reduction 1 with 1 rules applied. Total rules applied 20 place count 82 transition count 203
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 21 place count 81 transition count 201
Iterating global reduction 1 with 1 rules applied. Total rules applied 22 place count 81 transition count 201
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 23 place count 80 transition count 199
Iterating global reduction 1 with 1 rules applied. Total rules applied 24 place count 80 transition count 199
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 25 place count 79 transition count 197
Iterating global reduction 1 with 1 rules applied. Total rules applied 26 place count 79 transition count 197
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 27 place count 78 transition count 195
Iterating global reduction 1 with 1 rules applied. Total rules applied 28 place count 78 transition count 195
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 29 place count 77 transition count 193
Iterating global reduction 1 with 1 rules applied. Total rules applied 30 place count 77 transition count 193
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 31 place count 76 transition count 191
Iterating global reduction 1 with 1 rules applied. Total rules applied 32 place count 76 transition count 191
Applied a total of 32 rules in 12 ms. Remains 76 /92 variables (removed 16) and now considering 191/226 (removed 35) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 76/92 places, 191/226 transitions.
[2024-05-31 21:13:23] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
Found an invariant !
This invariant on transitions {31=1, 56=1, 102=1, 115=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {31=1, 56=1, 86=1, 112=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 25 ms. (steps per millisecond=400 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[32] Max Struct:[+inf]
[2024-05-31 21:13:23] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
// Phase 1: matrix 117 rows 76 cols
[2024-05-31 21:13:23] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[32] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 941 ms. (1061 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 531 ms. (1879 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[32] Max Struct:[+inf]
[2024-05-31 21:13:24] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-31 21:13:24] [INFO ] Invariant cache hit.
[2024-05-31 21:13:24] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:13:24] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:13:24] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:13:24] [INFO ] [Real]Added 18 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:13:24] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:13:24] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:13:24] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2024-05-31 21:13:24] [INFO ] [Nat]Added 18 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:13:24] [INFO ] Deduced a trap composed of 18 places in 43 ms of which 0 ms to minimize.
[2024-05-31 21:13:24] [INFO ] Deduced a trap composed of 22 places in 39 ms of which 1 ms to minimize.
[2024-05-31 21:13:24] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 96 ms
[2024-05-31 21:13:24] [INFO ] Computed and/alt/rep : 61/197/52 causal constraints (skipped 63 transitions) in 8 ms.
[2024-05-31 21:13:24] [INFO ] Deduced a trap composed of 25 places in 45 ms of which 1 ms to minimize.
[2024-05-31 21:13:24] [INFO ] Deduced a trap composed of 18 places in 46 ms of which 1 ms to minimize.
[2024-05-31 21:13:25] [INFO ] Deduced a trap composed of 15 places in 39 ms of which 0 ms to minimize.
[2024-05-31 21:13:25] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 151 ms
[2024-05-31 21:13:25] [INFO ] Added : 6 causal constraints over 2 iterations in 181 ms. Result :sat
Minimization took 24 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[32] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[32] Max Struct:[+inf]
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 76/76 places, 191/191 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
[2024-05-31 21:13:25] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-31 21:13:25] [INFO ] Invariant cache hit.
[2024-05-31 21:13:25] [INFO ] Implicit Places using invariants in 57 ms returned []
[2024-05-31 21:13:25] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-31 21:13:25] [INFO ] Invariant cache hit.
[2024-05-31 21:13:25] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:13:25] [INFO ] Implicit Places using invariants and state equation in 119 ms returned []
Implicit Place search using SMT with State Equation took 177 ms to find 0 implicit places.
[2024-05-31 21:13:25] [INFO ] Redundant transitions in 1 ms returned []
Running 189 sub problems to find dead transitions.
[2024-05-31 21:13:25] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-31 21:13:25] [INFO ] Invariant cache hit.
[2024-05-31 21:13:25] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 2 (OVERLAPS) 117/193 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 189 unsolved
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 2759 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 4891 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 7755ms problems are : Problem set: 0 solved, 189 unsolved
Search for dead transitions found 0 dead transitions in 7757ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7945 ms. Remains : 76/76 places, 191/191 transitions.
[2024-05-31 21:13:33] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
Found an invariant !
This invariant on transitions {31=1, 56=1, 102=1, 115=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {31=1, 56=1, 86=1, 112=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 27 ms. (steps per millisecond=370 ) properties (out of 1) seen :[8]
Current structural bounds on expressions (after cover walk) : Max Seen:[32] Max Struct:[+inf]
RANDOM walk for 40000 steps (8 resets) in 65 ms. (606 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 25 ms. (1538 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1797370 steps, run timeout after 3001 ms. (steps per millisecond=598 ) properties seen :0 out of 1
Probabilistic random walk after 1797370 steps, saw 1144516 distinct states, run finished after 3001 ms. (steps per millisecond=598 ) properties seen :0
[2024-05-31 21:13:36] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-31 21:13:36] [INFO ] Invariant cache hit.
[2024-05-31 21:13:36] [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) 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 101 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/8 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 61/69 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/69 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/69 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/69 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 6/75 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/75 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/75 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 94/169 variables, 53/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/169 variables, 17/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/169 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 6/175 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/175 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 11/186 variables, 10/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/186 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 4/190 variables, 2/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/190 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 3/193 variables, 2/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/193 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/193 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 193/193 variables, and 98 constraints, problems are : Problem set: 0 solved, 1 unsolved in 87 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 193ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 3672 steps, including 12 resets, run visited all 1 properties in 9 ms. (steps per millisecond=408 )
Parikh walk visited 1 properties in 13 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[32] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b032-UpperBounds-03 in 13713 ms.
Starting property specific reduction for FunctionPointer-PT-b032-UpperBounds-04
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-31 21:13:36] [INFO ] Flow matrix only has 145 transitions (discarded 81 similar events)
// Phase 1: matrix 145 rows 92 cols
[2024-05-31 21:13:36] [INFO ] Computed 3 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10028 steps (2 resets) in 11 ms. (835 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-31 21:13:36] [INFO ] Flow matrix only has 145 transitions (discarded 81 similar events)
[2024-05-31 21:13:36] [INFO ] Invariant cache hit.
[2024-05-31 21:13:36] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:13:36] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:13:36] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-05-31 21:13:36] [INFO ] [Real]Added 26 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:13:36] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:13:36] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:13:36] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:13:36] [INFO ] [Nat]Added 26 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:13:36] [INFO ] Deduced a trap composed of 19 places in 50 ms of which 0 ms to minimize.
[2024-05-31 21:13:36] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 59 ms
[2024-05-31 21:13:36] [INFO ] Computed and/alt/rep : 63/302/58 causal constraints (skipped 85 transitions) in 9 ms.
[2024-05-31 21:13:36] [INFO ] Added : 35 causal constraints over 9 iterations in 100 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, 226/226 transitions.
Graph (complete) has 391 edges and 92 vertex of which 86 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.0 ms
Discarding 6 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 0 with 10 rules applied. Total rules applied 11 place count 86 transition count 216
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 14 place count 83 transition count 210
Iterating global reduction 1 with 3 rules applied. Total rules applied 17 place count 83 transition count 210
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 19 place count 81 transition count 204
Iterating global reduction 1 with 2 rules applied. Total rules applied 21 place count 81 transition count 204
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 22 place count 80 transition count 202
Iterating global reduction 1 with 1 rules applied. Total rules applied 23 place count 80 transition count 202
Applied a total of 23 rules in 7 ms. Remains 80 /92 variables (removed 12) and now considering 202/226 (removed 24) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 80/92 places, 202/226 transitions.
[2024-05-31 21:13:36] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
Found an invariant !
This invariant on transitions {27=1, 58=1, 104=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {29=1, 60=1, 90=1, 119=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 27 ms. (steps per millisecond=370 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[4] Max Struct:[+inf]
[2024-05-31 21:13:36] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
// Phase 1: matrix 124 rows 80 cols
[2024-05-31 21:13:36] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[4] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 979 ms. (1020 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 621 ms. (1607 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[704] Max Struct:[+inf]
[2024-05-31 21:13:38] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
[2024-05-31 21:13:38] [INFO ] Invariant cache hit.
[2024-05-31 21:13:38] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:13:38] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2024-05-31 21:13:38] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:13:38] [INFO ] [Real]Added 18 Read/Feed constraints in 2 ms returned sat
[2024-05-31 21:13:38] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:13:38] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:13:38] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2024-05-31 21:13:38] [INFO ] [Nat]Added 18 Read/Feed constraints in 2 ms returned sat
[2024-05-31 21:13:38] [INFO ] Computed and/alt/rep : 59/192/53 causal constraints (skipped 69 transitions) in 8 ms.
[2024-05-31 21:13:38] [INFO ] Added : 9 causal constraints over 3 iterations in 36 ms. Result :sat
Minimization took 22 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[704] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[704] Max Struct:[+inf]
Support contains 1 out of 80 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 80/80 places, 202/202 transitions.
Applied a total of 0 rules in 2 ms. Remains 80 /80 variables (removed 0) and now considering 202/202 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 80/80 places, 202/202 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 80/80 places, 202/202 transitions.
Applied a total of 0 rules in 2 ms. Remains 80 /80 variables (removed 0) and now considering 202/202 (removed 0) transitions.
[2024-05-31 21:13:40] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
[2024-05-31 21:13:40] [INFO ] Invariant cache hit.
[2024-05-31 21:13:40] [INFO ] Implicit Places using invariants in 65 ms returned []
[2024-05-31 21:13:40] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
[2024-05-31 21:13:40] [INFO ] Invariant cache hit.
[2024-05-31 21:13:40] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:13:40] [INFO ] Implicit Places using invariants and state equation in 106 ms returned []
Implicit Place search using SMT with State Equation took 173 ms to find 0 implicit places.
[2024-05-31 21:13:40] [INFO ] Redundant transitions in 1 ms returned []
Running 200 sub problems to find dead transitions.
[2024-05-31 21:13:40] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
[2024-05-31 21:13:40] [INFO ] Invariant cache hit.
[2024-05-31 21:13:40] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 2 (OVERLAPS) 124/204 variables, 80/83 constraints. Problems are: Problem set: 0 solved, 200 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/204 variables, 18/101 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/204 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 5 (OVERLAPS) 0/204 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 200 unsolved
No progress, stopping.
After SMT solving in domain Real declared 204/204 variables, and 101 constraints, problems are : Problem set: 0 solved, 200 unsolved in 2991 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 80/80 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 200/200 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 200 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 2 (OVERLAPS) 124/204 variables, 80/83 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/204 variables, 18/101 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/204 variables, 200/301 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/204 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 6 (OVERLAPS) 0/204 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 200 unsolved
No progress, stopping.
After SMT solving in domain Int declared 204/204 variables, and 301 constraints, problems are : Problem set: 0 solved, 200 unsolved in 5324 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 80/80 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 200/200 constraints, Known Traps: 0/0 constraints]
After SMT, in 8428ms problems are : Problem set: 0 solved, 200 unsolved
Search for dead transitions found 0 dead transitions in 8430ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8613 ms. Remains : 80/80 places, 202/202 transitions.
[2024-05-31 21:13:48] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
Found an invariant !
This invariant on transitions {27=1, 58=1, 104=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {29=1, 60=1, 90=1, 119=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 28 ms. (steps per millisecond=357 ) properties (out of 1) seen :[5]
Current structural bounds on expressions (after cover walk) : Max Seen:[704] Max Struct:[+inf]
[2024-05-31 21:13:49] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
[2024-05-31 21:13:49] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[704] 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 630 ms. (1584 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[704] Max Struct:[+inf]
[2024-05-31 21:13:50] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
[2024-05-31 21:13:50] [INFO ] Invariant cache hit.
[2024-05-31 21:13:50] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:13:50] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-05-31 21:13:50] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:13:50] [INFO ] [Real]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:13:50] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:13:50] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:13:50] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2024-05-31 21:13:50] [INFO ] [Nat]Added 18 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:13:50] [INFO ] Computed and/alt/rep : 59/192/53 causal constraints (skipped 69 transitions) in 8 ms.
[2024-05-31 21:13:50] [INFO ] Added : 9 causal constraints over 3 iterations in 37 ms. Result :sat
Minimization took 20 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[704] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[704] Max Struct:[+inf]
Support contains 1 out of 80 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 80/80 places, 202/202 transitions.
Applied a total of 0 rules in 3 ms. Remains 80 /80 variables (removed 0) and now considering 202/202 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 80/80 places, 202/202 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 80/80 places, 202/202 transitions.
Applied a total of 0 rules in 3 ms. Remains 80 /80 variables (removed 0) and now considering 202/202 (removed 0) transitions.
[2024-05-31 21:13:52] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
[2024-05-31 21:13:52] [INFO ] Invariant cache hit.
[2024-05-31 21:13:52] [INFO ] Implicit Places using invariants in 71 ms returned []
[2024-05-31 21:13:52] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
[2024-05-31 21:13:52] [INFO ] Invariant cache hit.
[2024-05-31 21:13:52] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:13:52] [INFO ] Implicit Places using invariants and state equation in 108 ms returned []
Implicit Place search using SMT with State Equation took 180 ms to find 0 implicit places.
[2024-05-31 21:13:52] [INFO ] Redundant transitions in 0 ms returned []
Running 200 sub problems to find dead transitions.
[2024-05-31 21:13:52] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
[2024-05-31 21:13:52] [INFO ] Invariant cache hit.
[2024-05-31 21:13:52] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 2 (OVERLAPS) 124/204 variables, 80/83 constraints. Problems are: Problem set: 0 solved, 200 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/204 variables, 18/101 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/204 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 5 (OVERLAPS) 0/204 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 200 unsolved
No progress, stopping.
After SMT solving in domain Real declared 204/204 variables, and 101 constraints, problems are : Problem set: 0 solved, 200 unsolved in 2948 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 80/80 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 200/200 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 200 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 2 (OVERLAPS) 124/204 variables, 80/83 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/204 variables, 18/101 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/204 variables, 200/301 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/204 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 6 (OVERLAPS) 0/204 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 200 unsolved
No progress, stopping.
After SMT solving in domain Int declared 204/204 variables, and 301 constraints, problems are : Problem set: 0 solved, 200 unsolved in 5716 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 80/80 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 200/200 constraints, Known Traps: 0/0 constraints]
After SMT, in 8785ms problems are : Problem set: 0 solved, 200 unsolved
Search for dead transitions found 0 dead transitions in 8788ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8977 ms. Remains : 80/80 places, 202/202 transitions.
[2024-05-31 21:14:01] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
Found an invariant !
This invariant on transitions {27=1, 58=1, 104=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {29=1, 60=1, 90=1, 119=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 1) seen :[6]
Current structural bounds on expressions (after cover walk) : Max Seen:[704] Max Struct:[+inf]
RANDOM walk for 40000 steps (8 resets) in 172 ms. (231 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 25 ms. (1538 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1748495 steps, run timeout after 3001 ms. (steps per millisecond=582 ) properties seen :0 out of 1
Probabilistic random walk after 1748495 steps, saw 1088247 distinct states, run finished after 3003 ms. (steps per millisecond=582 ) properties seen :0
[2024-05-31 21:14:04] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
[2024-05-31 21:14:04] [INFO ] Invariant cache hit.
[2024-05-31 21:14:04] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 9/13 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 73/86 variables, 8/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/86 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/86 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 7/93 variables, 2/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/93 variables, 3/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/93 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 96/189 variables, 55/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/189 variables, 17/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/189 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 6/195 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/195 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 9/204 variables, 10/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/204 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/204 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 204/204 variables, and 101 constraints, problems are : Problem set: 0 solved, 1 unsolved in 111 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 80/80 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 9/13 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 73/86 variables, 8/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/86 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/86 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/86 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 7/93 variables, 2/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/93 variables, 3/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/93 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 96/189 variables, 55/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/189 variables, 17/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/189 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 6/195 variables, 1/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/195 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 9/204 variables, 10/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/204 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/204 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 204/204 variables, and 102 constraints, problems are : Problem set: 0 solved, 1 unsolved in 83 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 80/80 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 220ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 1025 ms.
Support contains 1 out of 80 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 80/80 places, 202/202 transitions.
Applied a total of 0 rules in 2 ms. Remains 80 /80 variables (removed 0) and now considering 202/202 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 80/80 places, 202/202 transitions.
RANDOM walk for 40001 steps (8 resets) in 62 ms. (634 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 35 ms. (1111 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2016088 steps, run timeout after 3001 ms. (steps per millisecond=671 ) properties seen :0 out of 1
Probabilistic random walk after 2016088 steps, saw 1254811 distinct states, run finished after 3001 ms. (steps per millisecond=671 ) properties seen :0
[2024-05-31 21:14:08] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
[2024-05-31 21:14:08] [INFO ] Invariant cache hit.
[2024-05-31 21:14:08] [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) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 9/13 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 73/86 variables, 8/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/86 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/86 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 7/93 variables, 2/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/93 variables, 3/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/93 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 96/189 variables, 55/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/189 variables, 17/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/189 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 6/195 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/195 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 9/204 variables, 10/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/204 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/204 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 204/204 variables, and 101 constraints, problems are : Problem set: 0 solved, 1 unsolved in 73 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 80/80 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 9/13 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 73/86 variables, 8/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/86 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/86 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/86 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 7/93 variables, 2/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/93 variables, 3/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/93 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 96/189 variables, 55/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/189 variables, 17/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/189 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 6/195 variables, 1/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/195 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 9/204 variables, 10/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/204 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/204 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 204/204 variables, and 102 constraints, problems are : Problem set: 0 solved, 1 unsolved in 86 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 80/80 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 166ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 984 ms.
Support contains 1 out of 80 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 80/80 places, 202/202 transitions.
Applied a total of 0 rules in 2 ms. Remains 80 /80 variables (removed 0) and now considering 202/202 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 80/80 places, 202/202 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 80/80 places, 202/202 transitions.
Applied a total of 0 rules in 3 ms. Remains 80 /80 variables (removed 0) and now considering 202/202 (removed 0) transitions.
[2024-05-31 21:14:10] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
[2024-05-31 21:14:10] [INFO ] Invariant cache hit.
[2024-05-31 21:14:10] [INFO ] Implicit Places using invariants in 59 ms returned []
[2024-05-31 21:14:10] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
[2024-05-31 21:14:10] [INFO ] Invariant cache hit.
[2024-05-31 21:14:10] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:14:10] [INFO ] Implicit Places using invariants and state equation in 112 ms returned []
Implicit Place search using SMT with State Equation took 171 ms to find 0 implicit places.
[2024-05-31 21:14:10] [INFO ] Redundant transitions in 1 ms returned []
Running 200 sub problems to find dead transitions.
[2024-05-31 21:14:10] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
[2024-05-31 21:14:10] [INFO ] Invariant cache hit.
[2024-05-31 21:14:10] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 2 (OVERLAPS) 124/204 variables, 80/83 constraints. Problems are: Problem set: 0 solved, 200 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/204 variables, 18/101 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/204 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 5 (OVERLAPS) 0/204 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 200 unsolved
No progress, stopping.
After SMT solving in domain Real declared 204/204 variables, and 101 constraints, problems are : Problem set: 0 solved, 200 unsolved in 2994 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 80/80 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 200/200 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 200 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 2 (OVERLAPS) 124/204 variables, 80/83 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/204 variables, 18/101 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/204 variables, 200/301 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/204 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 6 (OVERLAPS) 0/204 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 200 unsolved
No progress, stopping.
After SMT solving in domain Int declared 204/204 variables, and 301 constraints, problems are : Problem set: 0 solved, 200 unsolved in 5429 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 80/80 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 200/200 constraints, Known Traps: 0/0 constraints]
After SMT, in 8542ms problems are : Problem set: 0 solved, 200 unsolved
Search for dead transitions found 0 dead transitions in 8544ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8725 ms. Remains : 80/80 places, 202/202 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 78 transitions
Reduce isomorphic transitions removed 78 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 0 with 84 rules applied. Total rules applied 84 place count 80 transition count 118
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 90 place count 74 transition count 118
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 16 Pre rules applied. Total rules applied 90 place count 74 transition count 102
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 122 place count 58 transition count 102
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: 15
Deduced a syphon composed of 15 places in 0 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 2 with 30 rules applied. Total rules applied 152 place count 43 transition count 87
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 159 place count 36 transition count 73
Iterating global reduction 2 with 7 rules applied. Total rules applied 166 place count 36 transition count 73
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 173 place count 29 transition count 59
Iterating global reduction 2 with 7 rules applied. Total rules applied 180 place count 29 transition count 59
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 187 place count 22 transition count 45
Iterating global reduction 2 with 7 rules applied. Total rules applied 194 place count 22 transition count 45
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 201 place count 22 transition count 38
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 201 place count 22 transition count 37
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 203 place count 21 transition count 37
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 205 place count 20 transition count 37
Applied a total of 205 rules in 17 ms. Remains 20 /80 variables (removed 60) and now considering 37/202 (removed 165) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 37 rows 20 cols
[2024-05-31 21:14:18] [INFO ] Computed 3 invariants in 1 ms
[2024-05-31 21:14:18] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:14:18] [INFO ] After 10ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2024-05-31 21:14:18] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 21:14:18] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 21:14:18] [INFO ] After 34ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 21:14:18] [INFO ] [Nat]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-31 21:14:18] [INFO ] After 11ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-31 21:14:18] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-31 21:14:18] [INFO ] After 5ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-31 21:14:18] [INFO ] After 48ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 102 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[704] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b032-UpperBounds-04 in 42568 ms.
Starting property specific reduction for FunctionPointer-PT-b032-UpperBounds-07
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-31 21:14:18] [INFO ] Flow matrix only has 145 transitions (discarded 81 similar events)
// Phase 1: matrix 145 rows 92 cols
[2024-05-31 21:14:18] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 12 ms. (769 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 6 ms. (1428 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[7] Max Struct:[+inf]
[2024-05-31 21:14:18] [INFO ] Flow matrix only has 145 transitions (discarded 81 similar events)
[2024-05-31 21:14:18] [INFO ] Invariant cache hit.
[2024-05-31 21:14:19] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:14:19] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:14:19] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-05-31 21:14:19] [INFO ] [Real]Added 26 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:14:19] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:14:19] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:14:19] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:14:19] [INFO ] [Nat]Added 26 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:14:19] [INFO ] Deduced a trap composed of 17 places in 50 ms of which 1 ms to minimize.
[2024-05-31 21:14:19] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 62 ms
[2024-05-31 21:14:19] [INFO ] Computed and/alt/rep : 63/302/58 causal constraints (skipped 85 transitions) in 10 ms.
[2024-05-31 21:14:19] [INFO ] Deduced a trap composed of 19 places in 53 ms of which 1 ms to minimize.
[2024-05-31 21:14:19] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 64 ms
[2024-05-31 21:14:19] [INFO ] Added : 10 causal constraints over 3 iterations in 108 ms. Result :sat
Minimization took 31 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[7] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[31] Max Struct:[+inf]
Support contains 1 out of 92 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 92/92 places, 226/226 transitions.
Graph (complete) has 391 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 221
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 9 place count 86 transition count 215
Iterating global reduction 1 with 3 rules applied. Total rules applied 12 place count 86 transition count 215
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 14 place count 84 transition count 209
Iterating global reduction 1 with 2 rules applied. Total rules applied 16 place count 84 transition count 209
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 17 place count 83 transition count 207
Iterating global reduction 1 with 1 rules applied. Total rules applied 18 place count 83 transition count 207
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 19 place count 82 transition count 203
Iterating global reduction 1 with 1 rules applied. Total rules applied 20 place count 82 transition count 203
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 21 place count 81 transition count 201
Iterating global reduction 1 with 1 rules applied. Total rules applied 22 place count 81 transition count 201
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 23 place count 80 transition count 199
Iterating global reduction 1 with 1 rules applied. Total rules applied 24 place count 80 transition count 199
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 25 place count 79 transition count 197
Iterating global reduction 1 with 1 rules applied. Total rules applied 26 place count 79 transition count 197
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 27 place count 78 transition count 195
Iterating global reduction 1 with 1 rules applied. Total rules applied 28 place count 78 transition count 195
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 29 place count 77 transition count 193
Iterating global reduction 1 with 1 rules applied. Total rules applied 30 place count 77 transition count 193
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 31 place count 76 transition count 191
Iterating global reduction 1 with 1 rules applied. Total rules applied 32 place count 76 transition count 191
Applied a total of 32 rules in 17 ms. Remains 76 /92 variables (removed 16) and now considering 191/226 (removed 35) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17 ms. Remains : 76/92 places, 191/226 transitions.
[2024-05-31 21:14:19] [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 26 ms. (steps per millisecond=384 ) properties (out of 1) seen :[10]
Current structural bounds on expressions (after cover walk) : Max Seen:[31] Max Struct:[+inf]
[2024-05-31 21:14:19] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
// Phase 1: matrix 117 rows 76 cols
[2024-05-31 21:14:19] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[31] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 837 ms. (1193 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 558 ms. (1788 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[33] Max Struct:[+inf]
[2024-05-31 21:14:20] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-31 21:14:20] [INFO ] Invariant cache hit.
[2024-05-31 21:14:20] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:14:20] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2024-05-31 21:14:20] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:14:20] [INFO ] [Real]Added 18 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:14:20] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:14:20] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:14:20] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2024-05-31 21:14:20] [INFO ] [Nat]Added 18 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:14:21] [INFO ] Deduced a trap composed of 22 places in 41 ms of which 0 ms to minimize.
[2024-05-31 21:14:21] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 52 ms
[2024-05-31 21:14:21] [INFO ] Computed and/alt/rep : 61/197/52 causal constraints (skipped 63 transitions) in 9 ms.
[2024-05-31 21:14:21] [INFO ] Added : 5 causal constraints over 2 iterations in 26 ms. Result :sat
Minimization took 20 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[33] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[33] Max Struct:[+inf]
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 76/76 places, 191/191 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 3 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
[2024-05-31 21:14:21] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-31 21:14:21] [INFO ] Invariant cache hit.
[2024-05-31 21:14:21] [INFO ] Implicit Places using invariants in 60 ms returned []
[2024-05-31 21:14:21] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-31 21:14:21] [INFO ] Invariant cache hit.
[2024-05-31 21:14:21] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:14:21] [INFO ] Implicit Places using invariants and state equation in 103 ms returned []
Implicit Place search using SMT with State Equation took 163 ms to find 0 implicit places.
[2024-05-31 21:14:21] [INFO ] Redundant transitions in 0 ms returned []
Running 189 sub problems to find dead transitions.
[2024-05-31 21:14:21] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-31 21:14:21] [INFO ] Invariant cache hit.
[2024-05-31 21:14:21] [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 2714 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 5091 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 7903ms problems are : Problem set: 0 solved, 189 unsolved
Search for dead transitions found 0 dead transitions in 7904ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8075 ms. Remains : 76/76 places, 191/191 transitions.
[2024-05-31 21:14:29] [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 28 ms. (steps per millisecond=357 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[33] Max Struct:[+inf]
[2024-05-31 21:14:29] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-31 21:14:29] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[33] Max Struct:[+inf]
RANDOM walk for 1000001 steps (2 resets) in 948 ms. (1053 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 537 ms. (1858 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[33] Max Struct:[+inf]
[2024-05-31 21:14:30] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-31 21:14:30] [INFO ] Invariant cache hit.
[2024-05-31 21:14:30] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:14:30] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2024-05-31 21:14:30] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:14:30] [INFO ] [Real]Added 18 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:14:30] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:14:30] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:14:30] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2024-05-31 21:14:30] [INFO ] [Nat]Added 18 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:14:30] [INFO ] Deduced a trap composed of 22 places in 42 ms of which 0 ms to minimize.
[2024-05-31 21:14:30] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 48 ms
[2024-05-31 21:14:30] [INFO ] Computed and/alt/rep : 61/197/52 causal constraints (skipped 63 transitions) in 6 ms.
[2024-05-31 21:14:30] [INFO ] Added : 5 causal constraints over 2 iterations in 23 ms. Result :sat
Minimization took 20 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[33] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[33] 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 6 ms. Remains : 76/76 places, 191/191 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 3 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
[2024-05-31 21:14:31] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-31 21:14:31] [INFO ] Invariant cache hit.
[2024-05-31 21:14:31] [INFO ] Implicit Places using invariants in 62 ms returned []
[2024-05-31 21:14:31] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-31 21:14:31] [INFO ] Invariant cache hit.
[2024-05-31 21:14:31] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:14:31] [INFO ] Implicit Places using invariants and state equation in 102 ms returned []
Implicit Place search using SMT with State Equation took 165 ms to find 0 implicit places.
[2024-05-31 21:14:31] [INFO ] Redundant transitions in 1 ms returned []
Running 189 sub problems to find dead transitions.
[2024-05-31 21:14:31] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-31 21:14:31] [INFO ] Invariant cache hit.
[2024-05-31 21:14:31] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 2 (OVERLAPS) 117/193 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 189 unsolved
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 2719 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 4947 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 189/189 constraints, Known Traps: 0/0 constraints]
After SMT, in 7769ms problems are : Problem set: 0 solved, 189 unsolved
Search for dead transitions found 0 dead transitions in 7772ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7946 ms. Remains : 76/76 places, 191/191 transitions.
[2024-05-31 21:14:38] [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 25 ms. (steps per millisecond=400 ) properties (out of 1) seen :[7]
Current structural bounds on expressions (after cover walk) : Max Seen:[33] Max Struct:[+inf]
RANDOM walk for 38666 steps (8 resets) in 64 ms. (594 steps per ms) remains 0/1 properties
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[33] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b032-UpperBounds-07 in 20114 ms.
Starting property specific reduction for FunctionPointer-PT-b032-UpperBounds-09
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-31 21:14:39] [INFO ] Flow matrix only has 145 transitions (discarded 81 similar events)
// Phase 1: matrix 145 rows 92 cols
[2024-05-31 21:14:39] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10001 steps (2 resets) in 11 ms. (833 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[13] Max Struct:[+inf]
[2024-05-31 21:14:39] [INFO ] Flow matrix only has 145 transitions (discarded 81 similar events)
[2024-05-31 21:14:39] [INFO ] Invariant cache hit.
[2024-05-31 21:14:39] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:14:39] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:14:39] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-05-31 21:14:39] [INFO ] [Real]Added 26 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:14:39] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:14:39] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-31 21:14:39] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:14:39] [INFO ] [Nat]Added 26 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:14:39] [INFO ] Computed and/alt/rep : 63/302/58 causal constraints (skipped 85 transitions) in 9 ms.
[2024-05-31 21:14:39] [INFO ] Added : 15 causal constraints over 5 iterations in 60 ms. Result :sat
Minimization took 30 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[13] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[16] Max Struct:[+inf]
Support contains 1 out of 92 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 92/92 places, 226/226 transitions.
Graph (complete) has 391 edges and 92 vertex of which 86 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.0 ms
Discarding 6 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 0 with 10 rules applied. Total rules applied 11 place count 86 transition count 216
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 13 place count 84 transition count 212
Iterating global reduction 1 with 2 rules applied. Total rules applied 15 place count 84 transition count 212
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 16 place count 83 transition count 210
Iterating global reduction 1 with 1 rules applied. Total rules applied 17 place count 83 transition count 210
Applied a total of 17 rules in 5 ms. Remains 83 /92 variables (removed 9) and now considering 210/226 (removed 16) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 83/92 places, 210/226 transitions.
[2024-05-31 21:14:39] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
Found an invariant !
This invariant on transitions {29=1, 64=1, 96=1, 126=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {29=1, 64=1, 112=1, 128=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 26 ms. (steps per millisecond=384 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[16] Max Struct:[+inf]
[2024-05-31 21:14:39] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
// Phase 1: matrix 130 rows 83 cols
[2024-05-31 21:14:39] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[16] Max Struct:[+inf]
RANDOM walk for 1000002 steps (2 resets) in 980 ms. (1019 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 722 ms. (1383 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[246] Max Struct:[+inf]
[2024-05-31 21:14:41] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
[2024-05-31 21:14:41] [INFO ] Invariant cache hit.
[2024-05-31 21:14:41] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:14:41] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2024-05-31 21:14:41] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:14:41] [INFO ] [Real]Added 18 Read/Feed constraints in 2 ms returned sat
[2024-05-31 21:14:41] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:14:41] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:14:41] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2024-05-31 21:14:41] [INFO ] [Nat]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:14:41] [INFO ] Deduced a trap composed of 25 places in 47 ms of which 1 ms to minimize.
[2024-05-31 21:14:41] [INFO ] Deduced a trap composed of 21 places in 39 ms of which 1 ms to minimize.
[2024-05-31 21:14:41] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 100 ms
[2024-05-31 21:14:41] [INFO ] Computed and/alt/rep : 61/202/55 causal constraints (skipped 73 transitions) in 7 ms.
[2024-05-31 21:14:41] [INFO ] Added : 15 causal constraints over 4 iterations in 43 ms. Result :sat
Minimization took 26 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[246] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[246] Max Struct:[+inf]
Support contains 1 out of 83 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 83/83 places, 210/210 transitions.
Applied a total of 0 rules in 2 ms. Remains 83 /83 variables (removed 0) and now considering 210/210 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 83/83 places, 210/210 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 83/83 places, 210/210 transitions.
Applied a total of 0 rules in 2 ms. Remains 83 /83 variables (removed 0) and now considering 210/210 (removed 0) transitions.
[2024-05-31 21:14:42] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
[2024-05-31 21:14:42] [INFO ] Invariant cache hit.
[2024-05-31 21:14:42] [INFO ] Implicit Places using invariants in 61 ms returned []
[2024-05-31 21:14:42] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
[2024-05-31 21:14:42] [INFO ] Invariant cache hit.
[2024-05-31 21:14:42] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:14:42] [INFO ] Implicit Places using invariants and state equation in 116 ms returned []
Implicit Place search using SMT with State Equation took 178 ms to find 0 implicit places.
[2024-05-31 21:14:42] [INFO ] Redundant transitions in 1 ms returned []
Running 208 sub problems to find dead transitions.
[2024-05-31 21:14:42] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
[2024-05-31 21:14:42] [INFO ] Invariant cache hit.
[2024-05-31 21:14:42] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/83 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/83 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 2 (OVERLAPS) 130/213 variables, 83/86 constraints. Problems are: Problem set: 0 solved, 208 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/213 variables, 18/104 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/213 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 5 (OVERLAPS) 0/213 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 208 unsolved
No progress, stopping.
After SMT solving in domain Real declared 213/213 variables, and 104 constraints, problems are : Problem set: 0 solved, 208 unsolved in 3449 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 83/83 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 208/208 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 208 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/83 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/83 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 2 (OVERLAPS) 130/213 variables, 83/86 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/213 variables, 18/104 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/213 variables, 208/312 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/213 variables, 0/312 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 6 (OVERLAPS) 0/213 variables, 0/312 constraints. Problems are: Problem set: 0 solved, 208 unsolved
No progress, stopping.
After SMT solving in domain Int declared 213/213 variables, and 312 constraints, problems are : Problem set: 0 solved, 208 unsolved in 6160 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 83/83 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 208/208 constraints, Known Traps: 0/0 constraints]
After SMT, in 9729ms problems are : Problem set: 0 solved, 208 unsolved
Search for dead transitions found 0 dead transitions in 9731ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9917 ms. Remains : 83/83 places, 210/210 transitions.
[2024-05-31 21:14:52] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
Found an invariant !
This invariant on transitions {29=1, 64=1, 96=1, 126=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {29=1, 64=1, 112=1, 128=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 25 ms. (steps per millisecond=400 ) properties (out of 1) seen :[2147483647]
Current structural bounds on expressions (after cover walk) : Max Seen:[+inf] Max Struct:[+inf]
[2024-05-31 21:14:52] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
[2024-05-31 21:14:52] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[+inf] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1034 ms. (966 steps per ms)
FORMULA FunctionPointer-PT-b032-UpperBounds-09 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 0 steps (0 resets) in 0 ms. (0 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
RANDOM walk for 0 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/0 properties
Finished probabilistic random walk after 0 steps, run visited all 0 properties in 0 ms. (steps per millisecond=0 )
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[] Max Struct:[]
Ending property specific reduction for FunctionPointer-PT-b032-UpperBounds-09 in 14154 ms.
Starting property specific reduction for FunctionPointer-PT-b032-UpperBounds-12
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-31 21:14:53] [INFO ] Flow matrix only has 145 transitions (discarded 81 similar events)
// Phase 1: matrix 145 rows 92 cols
[2024-05-31 21:14:53] [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:[15] Max Struct:[+inf]
[2024-05-31 21:14:53] [INFO ] Flow matrix only has 145 transitions (discarded 81 similar events)
[2024-05-31 21:14:53] [INFO ] Invariant cache hit.
[2024-05-31 21:14:53] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:14:53] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:14:53] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-05-31 21:14:53] [INFO ] [Real]Added 26 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:14:53] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:14:53] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:14:53] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2024-05-31 21:14:53] [INFO ] [Nat]Added 26 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:14:53] [INFO ] Deduced a trap composed of 19 places in 63 ms of which 1 ms to minimize.
[2024-05-31 21:14:53] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 76 ms
[2024-05-31 21:14:53] [INFO ] Computed and/alt/rep : 63/302/58 causal constraints (skipped 85 transitions) in 8 ms.
[2024-05-31 21:14:53] [INFO ] Added : 17 causal constraints over 5 iterations in 72 ms. Result :sat
Minimization took 31 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[15] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[15] Max Struct:[+inf]
Support contains 1 out of 92 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 92/92 places, 226/226 transitions.
Graph (complete) has 391 edges and 92 vertex of which 86 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.1 ms
Discarding 6 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 0 with 10 rules applied. Total rules applied 11 place count 86 transition count 216
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 13 place count 84 transition count 212
Iterating global reduction 1 with 2 rules applied. Total rules applied 15 place count 84 transition count 212
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 17 place count 82 transition count 206
Iterating global reduction 1 with 2 rules applied. Total rules applied 19 place count 82 transition count 206
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 20 place count 81 transition count 204
Iterating global reduction 1 with 1 rules applied. Total rules applied 21 place count 81 transition count 204
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 22 place count 80 transition count 200
Iterating global reduction 1 with 1 rules applied. Total rules applied 23 place count 80 transition count 200
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 24 place count 79 transition count 198
Iterating global reduction 1 with 1 rules applied. Total rules applied 25 place count 79 transition count 198
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 26 place count 78 transition count 196
Iterating global reduction 1 with 1 rules applied. Total rules applied 27 place count 78 transition count 196
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 28 place count 77 transition count 194
Iterating global reduction 1 with 1 rules applied. Total rules applied 29 place count 77 transition count 194
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 30 place count 76 transition count 192
Iterating global reduction 1 with 1 rules applied. Total rules applied 31 place count 76 transition count 192
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 32 place count 75 transition count 190
Iterating global reduction 1 with 1 rules applied. Total rules applied 33 place count 75 transition count 190
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 34 place count 74 transition count 188
Iterating global reduction 1 with 1 rules applied. Total rules applied 35 place count 74 transition count 188
Applied a total of 35 rules in 12 ms. Remains 74 /92 variables (removed 18) and now considering 188/226 (removed 38) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 74/92 places, 188/226 transitions.
[2024-05-31 21:14:53] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
Found an invariant !
This invariant on transitions {24=1, 50=1, 95=1, 113=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {29=1, 55=1, 100=1, 114=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 1) seen :[5]
Current structural bounds on expressions (after cover walk) : Max Seen:[15] Max Struct:[+inf]
[2024-05-31 21:14:53] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
// Phase 1: matrix 115 rows 74 cols
[2024-05-31 21:14:53] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[15] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 973 ms. (1026 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 617 ms. (1618 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2238] Max Struct:[+inf]
[2024-05-31 21:14:55] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-31 21:14:55] [INFO ] Invariant cache hit.
[2024-05-31 21:14:55] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:14:55] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2024-05-31 21:14:55] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-31 21:14:55] [INFO ] [Real]Added 17 Read/Feed constraints in 19 ms returned sat
[2024-05-31 21:14:55] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:14:55] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:14:55] [INFO ] [Nat]Absence check using state equation in 19 ms returned sat
[2024-05-31 21:14:55] [INFO ] [Nat]Added 17 Read/Feed constraints in 2 ms returned sat
[2024-05-31 21:14:55] [INFO ] Deduced a trap composed of 20 places in 55 ms of which 1 ms to minimize.
[2024-05-31 21:14:55] [INFO ] Deduced a trap composed of 17 places in 53 ms of which 1 ms to minimize.
[2024-05-31 21:14:55] [INFO ] Deduced a trap composed of 16 places in 44 ms of which 0 ms to minimize.
[2024-05-31 21:14:55] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 169 ms
[2024-05-31 21:14:55] [INFO ] Computed and/alt/rep : 60/195/52 causal constraints (skipped 61 transitions) in 6 ms.
[2024-05-31 21:14:55] [INFO ] Added : 6 causal constraints over 3 iterations in 28 ms. Result :sat
Minimization took 19 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2238] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3763] Max Struct:[+inf]
Support contains 1 out of 74 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 188/188 transitions.
Applied a total of 0 rules in 2 ms. Remains 74 /74 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 74/74 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 188/188 transitions.
Applied a total of 0 rules in 2 ms. Remains 74 /74 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2024-05-31 21:14:57] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-31 21:14:57] [INFO ] Invariant cache hit.
[2024-05-31 21:14:57] [INFO ] Implicit Places using invariants in 62 ms returned []
[2024-05-31 21:14:57] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-31 21:14:57] [INFO ] Invariant cache hit.
[2024-05-31 21:14:57] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-31 21:14:57] [INFO ] Implicit Places using invariants and state equation in 108 ms returned []
Implicit Place search using SMT with State Equation took 179 ms to find 0 implicit places.
[2024-05-31 21:14:57] [INFO ] Redundant transitions in 0 ms returned []
Running 186 sub problems to find dead transitions.
[2024-05-31 21:14:57] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-31 21:14:57] [INFO ] Invariant cache hit.
[2024-05-31 21:14:57] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 115/189 variables, 74/77 constraints. Problems are: Problem set: 0 solved, 186 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/189 variables, 17/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (OVERLAPS) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Real declared 189/189 variables, and 94 constraints, problems are : Problem set: 0 solved, 186 unsolved in 2688 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 186 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 115/189 variables, 74/77 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/189 variables, 17/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 186/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/189 variables, 0/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 6 (OVERLAPS) 0/189 variables, 0/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Int declared 189/189 variables, and 280 constraints, problems are : Problem set: 0 solved, 186 unsolved in 4691 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
After SMT, in 7505ms problems are : Problem set: 0 solved, 186 unsolved
Search for dead transitions found 0 dead transitions in 7507ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7695 ms. Remains : 74/74 places, 188/188 transitions.
[2024-05-31 21:15:05] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
Found an invariant !
This invariant on transitions {24=1, 50=1, 95=1, 113=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {29=1, 55=1, 100=1, 114=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 23 ms. (steps per millisecond=434 ) properties (out of 1) seen :[10]
Current structural bounds on expressions (after cover walk) : Max Seen:[3763] Max Struct:[+inf]
[2024-05-31 21:15:05] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-31 21:15:05] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[3763] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 942 ms. (1060 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 625 ms. (1597 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3763] Max Struct:[+inf]
[2024-05-31 21:15:07] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-31 21:15:07] [INFO ] Invariant cache hit.
[2024-05-31 21:15:07] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:15:07] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2024-05-31 21:15:07] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-31 21:15:07] [INFO ] [Real]Added 17 Read/Feed constraints in 2 ms returned sat
[2024-05-31 21:15:07] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:15:07] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:15:07] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2024-05-31 21:15:07] [INFO ] [Nat]Added 17 Read/Feed constraints in 2 ms returned sat
[2024-05-31 21:15:07] [INFO ] Deduced a trap composed of 20 places in 54 ms of which 1 ms to minimize.
[2024-05-31 21:15:07] [INFO ] Deduced a trap composed of 17 places in 52 ms of which 1 ms to minimize.
[2024-05-31 21:15:07] [INFO ] Deduced a trap composed of 16 places in 57 ms of which 1 ms to minimize.
[2024-05-31 21:15:07] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 188 ms
[2024-05-31 21:15:07] [INFO ] Computed and/alt/rep : 60/195/52 causal constraints (skipped 61 transitions) in 6 ms.
[2024-05-31 21:15:07] [INFO ] Added : 6 causal constraints over 3 iterations in 36 ms. Result :sat
Minimization took 18 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3763] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3763] Max Struct:[+inf]
Support contains 1 out of 74 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 188/188 transitions.
Applied a total of 0 rules in 3 ms. Remains 74 /74 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 74/74 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 188/188 transitions.
Applied a total of 0 rules in 2 ms. Remains 74 /74 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2024-05-31 21:15:10] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-31 21:15:10] [INFO ] Invariant cache hit.
[2024-05-31 21:15:10] [INFO ] Implicit Places using invariants in 69 ms returned []
[2024-05-31 21:15:10] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-31 21:15:10] [INFO ] Invariant cache hit.
[2024-05-31 21:15:11] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-31 21:15:11] [INFO ] Implicit Places using invariants and state equation in 123 ms returned []
Implicit Place search using SMT with State Equation took 216 ms to find 0 implicit places.
[2024-05-31 21:15:11] [INFO ] Redundant transitions in 1 ms returned []
Running 186 sub problems to find dead transitions.
[2024-05-31 21:15:11] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-31 21:15:11] [INFO ] Invariant cache hit.
[2024-05-31 21:15:11] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 115/189 variables, 74/77 constraints. Problems are: Problem set: 0 solved, 186 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/189 variables, 17/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (OVERLAPS) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Real declared 189/189 variables, and 94 constraints, problems are : Problem set: 0 solved, 186 unsolved in 2690 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 186 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 115/189 variables, 74/77 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/189 variables, 17/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 186/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/189 variables, 0/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 6 (OVERLAPS) 0/189 variables, 0/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Int declared 189/189 variables, and 280 constraints, problems are : Problem set: 0 solved, 186 unsolved in 4777 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
After SMT, in 7572ms problems are : Problem set: 0 solved, 186 unsolved
Search for dead transitions found 0 dead transitions in 7574ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7802 ms. Remains : 74/74 places, 188/188 transitions.
[2024-05-31 21:15:18] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
Found an invariant !
This invariant on transitions {24=1, 50=1, 95=1, 113=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {29=1, 55=1, 100=1, 114=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 1) seen :[11]
Current structural bounds on expressions (after cover walk) : Max Seen:[3763] Max Struct:[+inf]
RANDOM walk for 40009 steps (8 resets) in 109 ms. (363 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 27 ms. (1428 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2050943 steps, run timeout after 3001 ms. (steps per millisecond=683 ) properties seen :0 out of 1
Probabilistic random walk after 2050943 steps, saw 1228205 distinct states, run finished after 3001 ms. (steps per millisecond=683 ) properties seen :0
[2024-05-31 21:15:21] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-31 21:15:21] [INFO ] Invariant cache hit.
[2024-05-31 21:15:21] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 64/68 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/68 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 6/74 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/74 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/74 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 92/166 variables, 53/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/166 variables, 17/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/166 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 6/172 variables, 1/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/172 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 10/182 variables, 9/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/182 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 4/186 variables, 2/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/186 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 3/189 variables, 2/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 189/189 variables, and 94 constraints, problems are : Problem set: 0 solved, 1 unsolved in 90 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 64/68 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/68 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 6/74 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/74 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/74 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 92/166 variables, 53/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/166 variables, 17/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/166 variables, 1/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/166 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 6/172 variables, 1/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/172 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 10/182 variables, 9/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/182 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 4/186 variables, 2/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/186 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 3/189 variables, 2/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/189 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/189 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 189/189 variables, and 95 constraints, problems are : Problem set: 0 solved, 1 unsolved in 71 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 191ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 37741 steps, including 1000 resets, run visited all 1 properties in 52 ms. (steps per millisecond=725 )
Parikh walk visited 1 properties in 52 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[3763] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b032-UpperBounds-12 in 28869 ms.
[2024-05-31 21:15:22] [INFO ] Flatten gal took : 101 ms
[2024-05-31 21:15:22] [INFO ] Export to MCC of 5 properties in file /home/mcc/execution/UpperBounds.sr.xml took 10 ms.
[2024-05-31 21:15:22] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 92 places, 226 transitions and 922 arcs took 5 ms.
Total runtime 842135 ms.
There are residual formulas that ITS could not solve within timeout
Usage: pnml2lts-sym [-gvqh] [--order=
[--mu-opt] [--saturation=
[--sat-granularity=
[--guidance=
[--action=
[--trace=
[--mu=
[--ctl=
[--save-levels=STRING] [--pg-solve] [--attr=
[--saturating-attractor] [--write-strategy=
[--check-strategy] [--interactive-play] [--player]
[--pg-write=
[--edge-label=
[--mucalc=
[--allow-undefined-edges] [--allow-undefined-values]
[-p|--por=
[--weak=[valmari] (default: uses stronger left-commutativity)]
[--leap] [-r|--regroup=<(T,)+>] [--sloan-w1=
[--cw-max-cols=
[--mh-timeout=
[--graph-metrics] [--regroup-exit] [--regroup-time]
[-g|--pins-guards] [--vset=
[--ldd32-cache=
[--cache-ratio=
[--min-free-nodes=
[--fdd-reorder=
[--vset-cache-diff=
[--next-union] [--peak-nodes] [--maxsum=
[--block-size=
[--debug=
[--timeout=INT] [--version] [-h|--help] [--usage]
[OPTIONS]
Could not compute solution for formula : FunctionPointer-PT-b032-UpperBounds-02
Could not compute solution for formula : FunctionPointer-PT-b032-UpperBounds-03
Could not compute solution for formula : FunctionPointer-PT-b032-UpperBounds-04
Could not compute solution for formula : FunctionPointer-PT-b032-UpperBounds-07
Could not compute solution for formula : FunctionPointer-PT-b032-UpperBounds-12
BK_STOP 1717190122655
--------------------
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//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -timeout 360 -rebuildPNML
mcc2024
ub formula name FunctionPointer-PT-b032-UpperBounds-02
ub formula formula --maxsum=/tmp/4022/ub_0_
ub formula name FunctionPointer-PT-b032-UpperBounds-03
ub formula formula --maxsum=/tmp/4022/ub_1_
ub formula name FunctionPointer-PT-b032-UpperBounds-04
ub formula formula --maxsum=/tmp/4022/ub_2_
ub formula name FunctionPointer-PT-b032-UpperBounds-07
ub formula formula --maxsum=/tmp/4022/ub_3_
ub formula name FunctionPointer-PT-b032-UpperBounds-12
ub formula formula --maxsum=/tmp/4022/ub_4_
pnml2lts-sym, ** error **: unknown vector set implementation lddmc
Sequence of Actions to be Executed by the VM
This is useful if one wants to reexecute the tool in the VM from the submitted image disk.
set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="FunctionPointer-PT-b032"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="ltsminxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"
# this is specific to your benchmark or test
export BIN_DIR="$HOME/BenchKit/bin"
# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi
# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5568"
echo " Executing tool ltsminxred"
echo " Input is FunctionPointer-PT-b032, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r496-tall-171640603000253"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/FunctionPointer-PT-b032.tgz
mv FunctionPointer-PT-b032 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "UpperBounds.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property UpperBounds.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "UpperBounds.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '
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 ;