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.r180-tall-171640602900221.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 itstools
Input is FunctionPointer-PT-b002, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r180-tall-171640602900221
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 856K
-rw-r--r-- 1 mcc users 6.7K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 75K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.3K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 46K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.4K May 19 07:09 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K May 19 15:54 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Apr 22 14:45 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Apr 22 14:45 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K May 14 13:22 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 135K May 14 13:22 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.8K May 14 13:22 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 86K May 14 13:22 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-b002-UpperBounds-00
FORMULA_NAME FunctionPointer-PT-b002-UpperBounds-01
FORMULA_NAME FunctionPointer-PT-b002-UpperBounds-02
FORMULA_NAME FunctionPointer-PT-b002-UpperBounds-03
FORMULA_NAME FunctionPointer-PT-b002-UpperBounds-04
FORMULA_NAME FunctionPointer-PT-b002-UpperBounds-05
FORMULA_NAME FunctionPointer-PT-b002-UpperBounds-06
FORMULA_NAME FunctionPointer-PT-b002-UpperBounds-07
FORMULA_NAME FunctionPointer-PT-b002-UpperBounds-08
FORMULA_NAME FunctionPointer-PT-b002-UpperBounds-09
FORMULA_NAME FunctionPointer-PT-b002-UpperBounds-10
FORMULA_NAME FunctionPointer-PT-b002-UpperBounds-11
FORMULA_NAME FunctionPointer-PT-b002-UpperBounds-12
FORMULA_NAME FunctionPointer-PT-b002-UpperBounds-13
FORMULA_NAME FunctionPointer-PT-b002-UpperBounds-14
FORMULA_NAME FunctionPointer-PT-b002-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1716454816313

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FunctionPointer-PT-b002
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202405141337
[2024-05-23 09:00:17] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2024-05-23 09:00:17] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-23 09:00:17] [INFO ] Load time of PNML (sax parser for PT used): 102 ms
[2024-05-23 09:00:17] [INFO ] Transformed 306 places.
[2024-05-23 09:00:17] [INFO ] Transformed 840 transitions.
[2024-05-23 09:00:17] [INFO ] Parsed PT model containing 306 places and 840 transitions and 3392 arcs in 207 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-b002-UpperBounds-12 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-b002-UpperBounds-14 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-b002-UpperBounds-15 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 09:00:17] [INFO ] Flow matrix only has 414 transitions (discarded 234 similar events)
// Phase 1: matrix 414 rows 222 cols
[2024-05-23 09:00:17] [INFO ] Computed 4 invariants in 26 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, 1, +inf, 2, +inf, +inf, 2, +inf, +inf, 2, +inf, 2, 1]
RANDOM walk for 10000 steps (23 resets) in 58 ms. (169 steps per ms)
FORMULA FunctionPointer-PT-b002-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FunctionPointer-PT-b002-UpperBounds-11 2 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FunctionPointer-PT-b002-UpperBounds-09 2 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FunctionPointer-PT-b002-UpperBounds-03 2 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FunctionPointer-PT-b002-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 80007 steps (34 resets) in 84 ms. (941 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3, 26, 12, 2, 1, 11, 1, 15] Max Struct:[+inf, +inf, +inf, +inf, 2, +inf, +inf, +inf]
[2024-05-23 09:00:17] [INFO ] Flow matrix only has 414 transitions (discarded 234 similar events)
[2024-05-23 09:00:17] [INFO ] Invariant cache hit.
[2024-05-23 09:00:18] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 09:00:18] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 6 ms returned sat
[2024-05-23 09:00:18] [INFO ] [Real]Absence check using state equation in 96 ms returned sat
[2024-05-23 09:00:18] [INFO ] State equation strengthened by 65 read => feed constraints.
[2024-05-23 09:00:18] [INFO ] [Real]Added 65 Read/Feed constraints in 10 ms returned sat
[2024-05-23 09:00:18] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 09:00:18] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-23 09:00:18] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 09:00:18] [INFO ] [Nat]Absence check using state equation in 84 ms returned sat
[2024-05-23 09:00:18] [INFO ] [Nat]Added 65 Read/Feed constraints in 19 ms returned sat
[2024-05-23 09:00:18] [INFO ] Deduced a trap composed of 59 places in 144 ms of which 25 ms to minimize.
[2024-05-23 09:00:18] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 198 ms
[2024-05-23 09:00:18] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 64 ms.
[2024-05-23 09:00:18] [INFO ] Added : 2 causal constraints over 1 iterations in 140 ms. Result :sat
Minimization took 82 ms.
[2024-05-23 09:00:18] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 09:00:18] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 09:00:19] [INFO ] [Real]Absence check using state equation in 131 ms returned sat
[2024-05-23 09:00:19] [INFO ] [Real]Added 65 Read/Feed constraints in 9 ms returned sat
[2024-05-23 09:00:19] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 09:00:19] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 09:00:19] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 09:00:19] [INFO ] [Nat]Absence check using state equation in 71 ms returned sat
[2024-05-23 09:00:19] [INFO ] [Nat]Added 65 Read/Feed constraints in 6 ms returned sat
[2024-05-23 09:00:19] [INFO ] Deduced a trap composed of 21 places in 181 ms of which 4 ms to minimize.
[2024-05-23 09:00:19] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 230 ms
[2024-05-23 09:00:19] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 128 ms.
[2024-05-23 09:00:19] [INFO ] Added : 1 causal constraints over 1 iterations in 172 ms. Result :sat
Minimization took 82 ms.
[2024-05-23 09:00:19] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-23 09:00:19] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 09:00:19] [INFO ] [Real]Absence check using state equation in 76 ms returned sat
[2024-05-23 09:00:19] [INFO ] [Real]Added 65 Read/Feed constraints in 16 ms returned sat
[2024-05-23 09:00:19] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 09:00:19] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-23 09:00:19] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 09:00:20] [INFO ] [Nat]Absence check using state equation in 78 ms returned sat
[2024-05-23 09:00:20] [INFO ] [Nat]Added 65 Read/Feed constraints in 11 ms returned sat
[2024-05-23 09:00:20] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 40 ms.
[2024-05-23 09:00:20] [INFO ] Added : 1 causal constraints over 1 iterations in 91 ms. Result :sat
Minimization took 72 ms.
[2024-05-23 09:00:20] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 09:00:20] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 4 ms returned sat
[2024-05-23 09:00:20] [INFO ] [Real]Absence check using state equation in 69 ms returned sat
[2024-05-23 09:00:20] [INFO ] [Real]Added 65 Read/Feed constraints in 8 ms returned sat
[2024-05-23 09:00:20] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 09:00:20] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 09:00:20] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 09:00:20] [INFO ] [Nat]Absence check using state equation in 90 ms returned sat
[2024-05-23 09:00:20] [INFO ] [Nat]Added 65 Read/Feed constraints in 7 ms returned sat
[2024-05-23 09:00:20] [INFO ] Deduced a trap composed of 26 places in 120 ms of which 2 ms to minimize.
[2024-05-23 09:00:20] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 140 ms
[2024-05-23 09:00:20] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 29 ms.
[2024-05-23 09:00:20] [INFO ] Added : 2 causal constraints over 1 iterations in 80 ms. Result :sat
Minimization took 78 ms.
[2024-05-23 09:00:20] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 09:00:20] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 09:00:20] [INFO ] [Real]Absence check using state equation in 68 ms returned sat
[2024-05-23 09:00:20] [INFO ] [Real]Added 65 Read/Feed constraints in 11 ms returned sat
[2024-05-23 09:00:20] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 09:00:21] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 09:00:21] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 09:00:21] [INFO ] [Nat]Absence check using state equation in 66 ms returned sat
[2024-05-23 09:00:21] [INFO ] [Nat]Added 65 Read/Feed constraints in 9 ms returned sat
[2024-05-23 09:00:21] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 36 ms.
[2024-05-23 09:00:21] [INFO ] Added : 1 causal constraints over 1 iterations in 84 ms. Result :sat
Minimization took 82 ms.
[2024-05-23 09:00:21] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 09:00:21] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 09:00:21] [INFO ] [Real]Absence check using state equation in 67 ms returned sat
[2024-05-23 09:00:21] [INFO ] [Real]Added 65 Read/Feed constraints in 11 ms returned sat
[2024-05-23 09:00:21] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 09:00:21] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 09:00:21] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 09:00:21] [INFO ] [Nat]Absence check using state equation in 74 ms returned sat
[2024-05-23 09:00:21] [INFO ] [Nat]Added 65 Read/Feed constraints in 10 ms returned sat
[2024-05-23 09:00:21] [INFO ] Deduced a trap composed of 26 places in 92 ms of which 2 ms to minimize.
[2024-05-23 09:00:21] [INFO ] Deduced a trap composed of 21 places in 108 ms of which 1 ms to minimize.
[2024-05-23 09:00:21] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 235 ms
[2024-05-23 09:00:21] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 32 ms.
[2024-05-23 09:00:21] [INFO ] Added : 1 causal constraints over 1 iterations in 81 ms. Result :sat
Minimization took 78 ms.
[2024-05-23 09:00:22] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 09:00:22] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 09:00:22] [INFO ] [Real]Absence check using state equation in 66 ms returned sat
[2024-05-23 09:00:22] [INFO ] [Real]Added 65 Read/Feed constraints in 7 ms returned sat
[2024-05-23 09:00:22] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 09:00:22] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 09:00:22] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 09:00:22] [INFO ] [Nat]Absence check using state equation in 65 ms returned sat
[2024-05-23 09:00:22] [INFO ] [Nat]Added 65 Read/Feed constraints in 9 ms returned sat
[2024-05-23 09:00:22] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 30 ms.
[2024-05-23 09:00:22] [INFO ] Added : 2 causal constraints over 1 iterations in 80 ms. Result :sat
Minimization took 75 ms.
[2024-05-23 09:00:22] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 09:00:22] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 09:00:22] [INFO ] [Real]Absence check using state equation in 68 ms returned sat
[2024-05-23 09:00:22] [INFO ] [Real]Added 65 Read/Feed constraints in 16 ms returned sat
[2024-05-23 09:00:22] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 09:00:22] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 09:00:22] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 09:00:22] [INFO ] [Nat]Absence check using state equation in 64 ms returned sat
[2024-05-23 09:00:22] [INFO ] [Nat]Added 65 Read/Feed constraints in 17 ms returned sat
[2024-05-23 09:00:22] [INFO ] Deduced a trap composed of 22 places in 92 ms of which 3 ms to minimize.
[2024-05-23 09:00:22] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 127 ms
[2024-05-23 09:00:22] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 29 ms.
[2024-05-23 09:00:22] [INFO ] Added : 2 causal constraints over 1 iterations in 73 ms. Result :sat
Minimization took 73 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3, 26, 12, 2, 1, 11, 1, 15] Max Struct:[+inf, +inf, +inf, +inf, 2, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3, 26, 12, 2, 1, 11, 1, 15] Max Struct:[+inf, +inf, +inf, +inf, 2, +inf, +inf, +inf]
Support contains 8 out of 222 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 222/222 places, 648/648 transitions.
Graph (complete) has 932 edges and 222 vertex of which 191 are kept as prefixes of interest. Removing 31 places using SCC suffix rule.7 ms
Discarding 31 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 43 transitions
Reduce isomorphic transitions removed 43 transitions.
Iterating post reduction 0 with 43 rules applied. Total rules applied 44 place count 191 transition count 605
Discarding 27 places :
Symmetric choice reduction at 1 with 27 rule applications. Total rules 71 place count 164 transition count 445
Iterating global reduction 1 with 27 rules applied. Total rules applied 98 place count 164 transition count 445
Ensure Unique test removed 26 transitions
Reduce isomorphic transitions removed 26 transitions.
Iterating post reduction 1 with 26 rules applied. Total rules applied 124 place count 164 transition count 419
Discarding 16 places :
Symmetric choice reduction at 2 with 16 rule applications. Total rules 140 place count 148 transition count 387
Iterating global reduction 2 with 16 rules applied. Total rules applied 156 place count 148 transition count 387
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 160 place count 148 transition count 383
Discarding 6 places :
Symmetric choice reduction at 3 with 6 rule applications. Total rules 166 place count 142 transition count 371
Iterating global reduction 3 with 6 rules applied. Total rules applied 172 place count 142 transition count 371
Discarding 6 places :
Symmetric choice reduction at 3 with 6 rule applications. Total rules 178 place count 136 transition count 347
Iterating global reduction 3 with 6 rules applied. Total rules applied 184 place count 136 transition count 347
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 189 place count 131 transition count 337
Iterating global reduction 3 with 5 rules applied. Total rules applied 194 place count 131 transition count 337
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 198 place count 127 transition count 321
Iterating global reduction 3 with 4 rules applied. Total rules applied 202 place count 127 transition count 321
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 206 place count 123 transition count 305
Iterating global reduction 3 with 4 rules applied. Total rules applied 210 place count 123 transition count 305
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 214 place count 119 transition count 297
Iterating global reduction 3 with 4 rules applied. Total rules applied 218 place count 119 transition count 297
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 222 place count 115 transition count 289
Iterating global reduction 3 with 4 rules applied. Total rules applied 226 place count 115 transition count 289
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 230 place count 111 transition count 281
Iterating global reduction 3 with 4 rules applied. Total rules applied 234 place count 111 transition count 281
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 238 place count 107 transition count 273
Iterating global reduction 3 with 4 rules applied. Total rules applied 242 place count 107 transition count 273
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 246 place count 103 transition count 265
Iterating global reduction 3 with 4 rules applied. Total rules applied 250 place count 103 transition count 265
Drop transitions (Redundant composition of simpler transitions.) removed 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 3 with 8 rules applied. Total rules applied 258 place count 103 transition count 257
Applied a total of 258 rules in 164 ms. Remains 103 /222 variables (removed 119) and now considering 257/648 (removed 391) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 179 ms. Remains : 103/222 places, 257/648 transitions.
[2024-05-23 09:00:23] [INFO ] Flow matrix only has 164 transitions (discarded 93 similar events)
Found an invariant !
This invariant on transitions {26=1, 78=1, 129=1, 160=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {28=1, 80=1, 115=1, 154=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 52 ms. (steps per millisecond=192 ) properties (out of 8) seen :[1, 3, 2, 3, 0, 3, 2, 2147483647]
Current structural bounds on expressions (after cover walk) : Max Seen:[3, 26, 12, 3, 1, 11, 2, +inf] Max Struct:[+inf, +inf, +inf, +inf, 2, +inf, +inf, +inf]
[2024-05-23 09:00:23] [INFO ] Flow matrix only has 164 transitions (discarded 93 similar events)
// Phase 1: matrix 164 rows 103 cols
[2024-05-23 09:00:23] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[3, 26, 12, 3, 1, 11, 2, +inf] Max Struct:[+inf, +inf, +inf, +inf, 2, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1158 ms. (862 steps per ms)
FORMULA FunctionPointer-PT-b002-UpperBounds-10 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 7000006 steps (14 resets) in 2822 ms. (2479 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3, 4424, 1856, 1613, 1, 1592, 5] Max Struct:[+inf, +inf, +inf, +inf, 2, +inf, +inf]
[2024-05-23 09:00:27] [INFO ] Flow matrix only has 164 transitions (discarded 93 similar events)
[2024-05-23 09:00:27] [INFO ] Invariant cache hit.
[2024-05-23 09:00:27] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 09:00:27] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-23 09:00:27] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-23 09:00:27] [INFO ] [Real]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-05-23 09:00:27] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 09:00:27] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 09:00:27] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-23 09:00:27] [INFO ] [Nat]Added 27 Read/Feed constraints in 12 ms returned sat
[2024-05-23 09:00:27] [INFO ] Deduced a trap composed of 29 places in 56 ms of which 1 ms to minimize.
[2024-05-23 09:00:27] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 81 ms
[2024-05-23 09:00:27] [INFO ] Computed and/alt/rep : 68/344/64 causal constraints (skipped 98 transitions) in 11 ms.
[2024-05-23 09:00:27] [INFO ] Added : 5 causal constraints over 2 iterations in 42 ms. Result :sat
Minimization took 26 ms.
[2024-05-23 09:00:27] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 09:00:27] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-23 09:00:27] [INFO ] [Real]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-23 09:00:27] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 09:00:27] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 09:00:27] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-23 09:00:27] [INFO ] [Nat]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-23 09:00:27] [INFO ] Deduced a trap composed of 30 places in 55 ms of which 1 ms to minimize.
[2024-05-23 09:00:27] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 65 ms
[2024-05-23 09:00:27] [INFO ] Computed and/alt/rep : 68/344/64 causal constraints (skipped 98 transitions) in 11 ms.
[2024-05-23 09:00:27] [INFO ] Added : 7 causal constraints over 3 iterations in 51 ms. Result :sat
Minimization took 25 ms.
[2024-05-23 09:00:27] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 09:00:28] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-23 09:00:28] [INFO ] [Real]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-23 09:00:28] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 09:00:28] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 09:00:28] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-23 09:00:28] [INFO ] [Nat]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-23 09:00:28] [INFO ] Computed and/alt/rep : 68/344/64 causal constraints (skipped 98 transitions) in 9 ms.
[2024-05-23 09:00:28] [INFO ] Deduced a trap composed of 35 places in 47 ms of which 1 ms to minimize.
[2024-05-23 09:00:28] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 59 ms
[2024-05-23 09:00:28] [INFO ] Added : 9 causal constraints over 4 iterations in 113 ms. Result :sat
Minimization took 24 ms.
[2024-05-23 09:00:28] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 09:00:28] [INFO ] [Real]Absence check using state equation in 35 ms returned sat
[2024-05-23 09:00:28] [INFO ] [Real]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-05-23 09:00:28] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 09:00:28] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 09:00:28] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-23 09:00:28] [INFO ] [Nat]Added 27 Read/Feed constraints in 9 ms returned sat
[2024-05-23 09:00:28] [INFO ] Computed and/alt/rep : 68/344/64 causal constraints (skipped 98 transitions) in 10 ms.
[2024-05-23 09:00:28] [INFO ] Added : 11 causal constraints over 3 iterations in 48 ms. Result :sat
Minimization took 26 ms.
[2024-05-23 09:00:28] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 09:00:28] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 09:00:28] [INFO ] [Real]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-23 09:00:28] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 09:00:28] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 09:00:28] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-23 09:00:28] [INFO ] [Nat]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-23 09:00:28] [INFO ] Computed and/alt/rep : 68/344/64 causal constraints (skipped 98 transitions) in 9 ms.
[2024-05-23 09:00:28] [INFO ] Added : 1 causal constraints over 1 iterations in 30 ms. Result :sat
Minimization took 27 ms.
[2024-05-23 09:00:28] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 09:00:28] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 09:00:28] [INFO ] [Real]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-23 09:00:28] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 09:00:28] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 09:00:28] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 09:00:28] [INFO ] [Nat]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-23 09:00:28] [INFO ] Computed and/alt/rep : 68/344/64 causal constraints (skipped 98 transitions) in 10 ms.
[2024-05-23 09:00:28] [INFO ] Added : 19 causal constraints over 5 iterations in 75 ms. Result :sat
Minimization took 32 ms.
[2024-05-23 09:00:28] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 09:00:29] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 09:00:29] [INFO ] [Real]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-23 09:00:29] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 09:00:29] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 09:00:29] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 09:00:29] [INFO ] [Nat]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-23 09:00:29] [INFO ] Computed and/alt/rep : 68/344/64 causal constraints (skipped 98 transitions) in 11 ms.
[2024-05-23 09:00:29] [INFO ] Added : 17 causal constraints over 4 iterations in 62 ms. Result :sat
Minimization took 31 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3, 4424, 1856, 1613, 1, 1592, 5] Max Struct:[+inf, +inf, +inf, +inf, 2, +inf, +inf]
FORMULA FunctionPointer-PT-b002-UpperBounds-06 2 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3, 4424, 1856, 1613, 1592, 11] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
Support contains 6 out of 103 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 103/103 places, 257/257 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 102 transition count 255
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 102 transition count 255
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 4 place count 102 transition count 253
Applied a total of 4 rules in 11 ms. Remains 102 /103 variables (removed 1) and now considering 253/257 (removed 4) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 102/103 places, 253/257 transitions.
[2024-05-23 09:00:40] [INFO ] Flow matrix only has 162 transitions (discarded 91 similar events)
Found an invariant !
This invariant on transitions {24=1, 26=1, 76=1, 93=1, 127=1, 157=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {27=1, 77=1, 112=1, 153=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 84 ms. (steps per millisecond=119 ) properties (out of 6) seen :[1, 0, 2, 2, 5, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[3, 4424, 1856, 1613, 1592, 11] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 09:00:40] [INFO ] Flow matrix only has 162 transitions (discarded 91 similar events)
// Phase 1: matrix 162 rows 102 cols
[2024-05-23 09:00:40] [INFO ] Computed 3 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[3, 4424, 1856, 1613, 1592, 11] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1055 ms. (946 steps per ms)
BEST_FIRST walk for 6000005 steps (12 resets) in 2368 ms. (2532 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3, 4424, 2268, 1613, 1592, 569] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 09:00:44] [INFO ] Flow matrix only has 162 transitions (discarded 91 similar events)
[2024-05-23 09:00:44] [INFO ] Invariant cache hit.
[2024-05-23 09:00:44] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 09:00:44] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-23 09:00:44] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-23 09:00:44] [INFO ] [Real]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-23 09:00:44] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 09:00:44] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 09:00:44] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 09:00:44] [INFO ] [Nat]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-05-23 09:00:44] [INFO ] Deduced a trap composed of 29 places in 55 ms of which 1 ms to minimize.
[2024-05-23 09:00:44] [INFO ] Deduced a trap composed of 22 places in 43 ms of which 1 ms to minimize.
[2024-05-23 09:00:44] [INFO ] Deduced a trap composed of 16 places in 43 ms of which 1 ms to minimize.
[2024-05-23 09:00:44] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 159 ms
[2024-05-23 09:00:44] [INFO ] Computed and/alt/rep : 68/344/64 causal constraints (skipped 96 transitions) in 9 ms.
[2024-05-23 09:00:44] [INFO ] Added : 7 causal constraints over 2 iterations in 36 ms. Result :sat
Minimization took 31 ms.
[2024-05-23 09:00:44] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 09:00:44] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-23 09:00:44] [INFO ] [Real]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-23 09:00:44] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 09:00:44] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 09:00:44] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-23 09:00:44] [INFO ] [Nat]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-23 09:00:44] [INFO ] Computed and/alt/rep : 68/344/64 causal constraints (skipped 96 transitions) in 9 ms.
[2024-05-23 09:00:44] [INFO ] Deduced a trap composed of 30 places in 57 ms of which 1 ms to minimize.
[2024-05-23 09:00:44] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 70 ms
[2024-05-23 09:00:44] [INFO ] Added : 13 causal constraints over 5 iterations in 138 ms. Result :sat
Minimization took 28 ms.
[2024-05-23 09:00:44] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 09:00:44] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-23 09:00:44] [INFO ] [Real]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-23 09:00:44] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 09:00:44] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 09:00:44] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 09:00:45] [INFO ] [Nat]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-23 09:00:45] [INFO ] Deduced a trap composed of 28 places in 45 ms of which 1 ms to minimize.
[2024-05-23 09:00:45] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 60 ms
[2024-05-23 09:00:45] [INFO ] Computed and/alt/rep : 68/344/64 causal constraints (skipped 96 transitions) in 9 ms.
[2024-05-23 09:00:45] [INFO ] Added : 10 causal constraints over 4 iterations in 53 ms. Result :sat
Minimization took 28 ms.
[2024-05-23 09:00:45] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 09:00:45] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-23 09:00:45] [INFO ] [Real]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-23 09:00:45] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 09:00:45] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2024-05-23 09:00:45] [INFO ] [Nat]Absence check using state equation in 45 ms returned sat
[2024-05-23 09:00:45] [INFO ] [Nat]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-23 09:00:45] [INFO ] Computed and/alt/rep : 68/344/64 causal constraints (skipped 96 transitions) in 10 ms.
[2024-05-23 09:00:45] [INFO ] Added : 26 causal constraints over 7 iterations in 96 ms. Result :sat
Minimization took 32 ms.
[2024-05-23 09:00:45] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 09:00:45] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-23 09:00:45] [INFO ] [Real]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-23 09:00:45] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 09:00:45] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 09:00:45] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-23 09:00:45] [INFO ] [Nat]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-23 09:00:45] [INFO ] Deduced a trap composed of 28 places in 46 ms of which 1 ms to minimize.
[2024-05-23 09:00:45] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 64 ms
[2024-05-23 09:00:45] [INFO ] Computed and/alt/rep : 68/344/64 causal constraints (skipped 96 transitions) in 11 ms.
[2024-05-23 09:00:45] [INFO ] Added : 19 causal constraints over 5 iterations in 68 ms. Result :sat
Minimization took 30 ms.
[2024-05-23 09:00:45] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 09:00:45] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 09:00:45] [INFO ] [Real]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-23 09:00:45] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 09:00:45] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 09:00:45] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-23 09:00:45] [INFO ] [Nat]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-23 09:00:45] [INFO ] Computed and/alt/rep : 68/344/64 causal constraints (skipped 96 transitions) in 10 ms.
[2024-05-23 09:00:45] [INFO ] Added : 14 causal constraints over 4 iterations in 54 ms. Result :sat
Minimization took 28 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3, 4424, 2268, 1613, 1592, 569] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3, 4424, 2268, 1613, 1592, 569] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
Support contains 6 out of 102 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 102/102 places, 253/253 transitions.
Applied a total of 0 rules in 16 ms. Remains 102 /102 variables (removed 0) and now considering 253/253 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 16 ms. Remains : 102/102 places, 253/253 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 102/102 places, 253/253 transitions.
Applied a total of 0 rules in 8 ms. Remains 102 /102 variables (removed 0) and now considering 253/253 (removed 0) transitions.
[2024-05-23 09:00:58] [INFO ] Flow matrix only has 162 transitions (discarded 91 similar events)
[2024-05-23 09:00:58] [INFO ] Invariant cache hit.
[2024-05-23 09:00:58] [INFO ] Implicit Places using invariants in 72 ms returned []
[2024-05-23 09:00:58] [INFO ] Flow matrix only has 162 transitions (discarded 91 similar events)
[2024-05-23 09:00:58] [INFO ] Invariant cache hit.
[2024-05-23 09:00:58] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-23 09:00:58] [INFO ] Implicit Places using invariants and state equation in 141 ms returned []
Implicit Place search using SMT with State Equation took 215 ms to find 0 implicit places.
[2024-05-23 09:00:58] [INFO ] Redundant transitions in 9 ms returned []
Running 251 sub problems to find dead transitions.
[2024-05-23 09:00:58] [INFO ] Flow matrix only has 162 transitions (discarded 91 similar events)
[2024-05-23 09:00:58] [INFO ] Invariant cache hit.
[2024-05-23 09:00:58] [INFO ] State equation strengthened by 27 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/102 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 251 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/102 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 251 unsolved
At refinement iteration 2 (OVERLAPS) 162/264 variables, 102/105 constraints. Problems are: Problem set: 0 solved, 251 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/264 variables, 27/132 constraints. Problems are: Problem set: 0 solved, 251 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/264 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 251 unsolved
At refinement iteration 5 (OVERLAPS) 0/264 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 251 unsolved
No progress, stopping.
After SMT solving in domain Real declared 264/264 variables, and 132 constraints, problems are : Problem set: 0 solved, 251 unsolved in 4754 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 102/102 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 251/251 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 251 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/102 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 251 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/102 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 251 unsolved
At refinement iteration 2 (OVERLAPS) 162/264 variables, 102/105 constraints. Problems are: Problem set: 0 solved, 251 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/264 variables, 27/132 constraints. Problems are: Problem set: 0 solved, 251 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/264 variables, 251/383 constraints. Problems are: Problem set: 0 solved, 251 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/264 variables, 0/383 constraints. Problems are: Problem set: 0 solved, 251 unsolved
At refinement iteration 6 (OVERLAPS) 0/264 variables, 0/383 constraints. Problems are: Problem set: 0 solved, 251 unsolved
No progress, stopping.
After SMT solving in domain Int declared 264/264 variables, and 383 constraints, problems are : Problem set: 0 solved, 251 unsolved in 6431 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 102/102 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 251/251 constraints, Known Traps: 0/0 constraints]
After SMT, in 11436ms problems are : Problem set: 0 solved, 251 unsolved
Search for dead transitions found 0 dead transitions in 11447ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11702 ms. Remains : 102/102 places, 253/253 transitions.
[2024-05-23 09:01:10] [INFO ] Flow matrix only has 162 transitions (discarded 91 similar events)
Found an invariant !
This invariant on transitions {24=1, 26=1, 76=1, 93=1, 127=1, 157=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {27=1, 77=1, 112=1, 153=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 18 ms. (steps per millisecond=555 ) properties (out of 6) seen :[0, 3, 0, 0, 4, 3]
Current structural bounds on expressions (after cover walk) : Max Seen:[3, 4424, 2268, 1613, 1592, 569] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 09:01:10] [INFO ] Flow matrix only has 162 transitions (discarded 91 similar events)
[2024-05-23 09:01:10] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[3, 4424, 2268, 1613, 1592, 569] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1046 ms. (955 steps per ms)
BEST_FIRST walk for 6000006 steps (12 resets) in 2314 ms. (2591 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3, 4424, 8555, 1613, 1592, 569] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 09:01:13] [INFO ] Flow matrix only has 162 transitions (discarded 91 similar events)
[2024-05-23 09:01:13] [INFO ] Invariant cache hit.
[2024-05-23 09:01:13] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 09:01:13] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-23 09:01:13] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-23 09:01:13] [INFO ] [Real]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-23 09:01:13] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 09:01:13] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 09:01:13] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-23 09:01:13] [INFO ] [Nat]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-23 09:01:14] [INFO ] Deduced a trap composed of 29 places in 50 ms of which 1 ms to minimize.
[2024-05-23 09:01:14] [INFO ] Deduced a trap composed of 22 places in 48 ms of which 1 ms to minimize.
[2024-05-23 09:01:14] [INFO ] Deduced a trap composed of 16 places in 41 ms of which 1 ms to minimize.
[2024-05-23 09:01:14] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 157 ms
[2024-05-23 09:01:14] [INFO ] Computed and/alt/rep : 68/344/64 causal constraints (skipped 96 transitions) in 8 ms.
[2024-05-23 09:01:14] [INFO ] Added : 7 causal constraints over 2 iterations in 38 ms. Result :sat
Minimization took 33 ms.
[2024-05-23 09:01:14] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 09:01:14] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-23 09:01:14] [INFO ] [Real]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-23 09:01:14] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 09:01:14] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 09:01:14] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-23 09:01:14] [INFO ] [Nat]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-05-23 09:01:14] [INFO ] Computed and/alt/rep : 68/344/64 causal constraints (skipped 96 transitions) in 9 ms.
[2024-05-23 09:01:14] [INFO ] Deduced a trap composed of 30 places in 53 ms of which 1 ms to minimize.
[2024-05-23 09:01:14] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 66 ms
[2024-05-23 09:01:14] [INFO ] Added : 13 causal constraints over 5 iterations in 132 ms. Result :sat
Minimization took 28 ms.
[2024-05-23 09:01:14] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 09:01:14] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-23 09:01:14] [INFO ] [Real]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-23 09:01:14] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 09:01:14] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 09:01:14] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-23 09:01:14] [INFO ] [Nat]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-23 09:01:14] [INFO ] Deduced a trap composed of 28 places in 53 ms of which 1 ms to minimize.
[2024-05-23 09:01:14] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 64 ms
[2024-05-23 09:01:14] [INFO ] Computed and/alt/rep : 68/344/64 causal constraints (skipped 96 transitions) in 12 ms.
[2024-05-23 09:01:14] [INFO ] Added : 10 causal constraints over 4 iterations in 55 ms. Result :sat
Minimization took 27 ms.
[2024-05-23 09:01:14] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 09:01:14] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-23 09:01:14] [INFO ] [Real]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-23 09:01:14] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 09:01:14] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 09:01:14] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-23 09:01:14] [INFO ] [Nat]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-23 09:01:14] [INFO ] Computed and/alt/rep : 68/344/64 causal constraints (skipped 96 transitions) in 9 ms.
[2024-05-23 09:01:15] [INFO ] Added : 26 causal constraints over 7 iterations in 81 ms. Result :sat
Minimization took 29 ms.
[2024-05-23 09:01:15] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 09:01:15] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-23 09:01:15] [INFO ] [Real]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-23 09:01:15] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 09:01:15] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 09:01:15] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-23 09:01:15] [INFO ] [Nat]Added 27 Read/Feed constraints in 7 ms returned sat
[2024-05-23 09:01:15] [INFO ] Deduced a trap composed of 28 places in 46 ms of which 1 ms to minimize.
[2024-05-23 09:01:15] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 56 ms
[2024-05-23 09:01:15] [INFO ] Computed and/alt/rep : 68/344/64 causal constraints (skipped 96 transitions) in 8 ms.
[2024-05-23 09:01:15] [INFO ] Added : 19 causal constraints over 5 iterations in 67 ms. Result :sat
Minimization took 29 ms.
[2024-05-23 09:01:15] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 09:01:15] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-23 09:01:15] [INFO ] [Real]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-23 09:01:15] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 09:01:15] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 09:01:15] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-23 09:01:15] [INFO ] [Nat]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-23 09:01:15] [INFO ] Computed and/alt/rep : 68/344/64 causal constraints (skipped 96 transitions) in 8 ms.
[2024-05-23 09:01:15] [INFO ] Added : 14 causal constraints over 4 iterations in 56 ms. Result :sat
Minimization took 27 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3, 4424, 8555, 1613, 1592, 569] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3, 4424, 8555, 1613, 1592, 569] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
Support contains 6 out of 102 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 102/102 places, 253/253 transitions.
Applied a total of 0 rules in 23 ms. Remains 102 /102 variables (removed 0) and now considering 253/253 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23 ms. Remains : 102/102 places, 253/253 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 102/102 places, 253/253 transitions.
Applied a total of 0 rules in 6 ms. Remains 102 /102 variables (removed 0) and now considering 253/253 (removed 0) transitions.
[2024-05-23 09:01:32] [INFO ] Flow matrix only has 162 transitions (discarded 91 similar events)
[2024-05-23 09:01:32] [INFO ] Invariant cache hit.
[2024-05-23 09:01:32] [INFO ] Implicit Places using invariants in 70 ms returned []
[2024-05-23 09:01:32] [INFO ] Flow matrix only has 162 transitions (discarded 91 similar events)
[2024-05-23 09:01:32] [INFO ] Invariant cache hit.
[2024-05-23 09:01:32] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-23 09:01:32] [INFO ] Implicit Places using invariants and state equation in 143 ms returned []
Implicit Place search using SMT with State Equation took 227 ms to find 0 implicit places.
[2024-05-23 09:01:32] [INFO ] Redundant transitions in 4 ms returned []
Running 251 sub problems to find dead transitions.
[2024-05-23 09:01:32] [INFO ] Flow matrix only has 162 transitions (discarded 91 similar events)
[2024-05-23 09:01:32] [INFO ] Invariant cache hit.
[2024-05-23 09:01:32] [INFO ] State equation strengthened by 27 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/102 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 251 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/102 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 251 unsolved
At refinement iteration 2 (OVERLAPS) 162/264 variables, 102/105 constraints. Problems are: Problem set: 0 solved, 251 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/264 variables, 27/132 constraints. Problems are: Problem set: 0 solved, 251 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/264 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 251 unsolved
At refinement iteration 5 (OVERLAPS) 0/264 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 251 unsolved
No progress, stopping.
After SMT solving in domain Real declared 264/264 variables, and 132 constraints, problems are : Problem set: 0 solved, 251 unsolved in 4571 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 102/102 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 251/251 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 251 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/102 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 251 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/102 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 251 unsolved
At refinement iteration 2 (OVERLAPS) 162/264 variables, 102/105 constraints. Problems are: Problem set: 0 solved, 251 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/264 variables, 27/132 constraints. Problems are: Problem set: 0 solved, 251 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/264 variables, 251/383 constraints. Problems are: Problem set: 0 solved, 251 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/264 variables, 0/383 constraints. Problems are: Problem set: 0 solved, 251 unsolved
At refinement iteration 6 (OVERLAPS) 0/264 variables, 0/383 constraints. Problems are: Problem set: 0 solved, 251 unsolved
No progress, stopping.
After SMT solving in domain Int declared 264/264 variables, and 383 constraints, problems are : Problem set: 0 solved, 251 unsolved in 6245 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 102/102 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 251/251 constraints, Known Traps: 0/0 constraints]
After SMT, in 11003ms problems are : Problem set: 0 solved, 251 unsolved
Search for dead transitions found 0 dead transitions in 11006ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11247 ms. Remains : 102/102 places, 253/253 transitions.
[2024-05-23 09:01:43] [INFO ] Flow matrix only has 162 transitions (discarded 91 similar events)
Found an invariant !
This invariant on transitions {24=1, 26=1, 76=1, 93=1, 127=1, 157=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {27=1, 77=1, 112=1, 153=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 :[1, 3, 3, 2, 0, 3]
Current structural bounds on expressions (after cover walk) : Max Seen:[3, 4424, 8555, 1613, 1592, 569] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 09:01:43] [INFO ] Flow matrix only has 162 transitions (discarded 91 similar events)
[2024-05-23 09:01:43] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[3, 4424, 8555, 1613, 1592, 569] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1076 ms. (928 steps per ms)
BEST_FIRST walk for 6000003 steps (12 resets) in 2433 ms. (2465 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3, 4424, 8555, 1613, 1592, 569] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 09:01:47] [INFO ] Flow matrix only has 162 transitions (discarded 91 similar events)
[2024-05-23 09:01:47] [INFO ] Invariant cache hit.
[2024-05-23 09:01:47] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 09:01:47] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-23 09:01:47] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-23 09:01:47] [INFO ] [Real]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-23 09:01:47] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 09:01:47] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 09:01:47] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-23 09:01:47] [INFO ] [Nat]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-05-23 09:01:47] [INFO ] Deduced a trap composed of 29 places in 42 ms of which 1 ms to minimize.
[2024-05-23 09:01:47] [INFO ] Deduced a trap composed of 22 places in 41 ms of which 1 ms to minimize.
[2024-05-23 09:01:47] [INFO ] Deduced a trap composed of 16 places in 46 ms of which 0 ms to minimize.
[2024-05-23 09:01:47] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 148 ms
[2024-05-23 09:01:47] [INFO ] Computed and/alt/rep : 68/344/64 causal constraints (skipped 96 transitions) in 9 ms.
[2024-05-23 09:01:47] [INFO ] Added : 7 causal constraints over 2 iterations in 41 ms. Result :sat
Minimization took 32 ms.
[2024-05-23 09:01:47] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 09:01:47] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-23 09:01:47] [INFO ] [Real]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-23 09:01:47] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 09:01:47] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 09:01:47] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-23 09:01:47] [INFO ] [Nat]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-23 09:01:47] [INFO ] Computed and/alt/rep : 68/344/64 causal constraints (skipped 96 transitions) in 8 ms.
[2024-05-23 09:01:47] [INFO ] Deduced a trap composed of 30 places in 50 ms of which 1 ms to minimize.
[2024-05-23 09:01:48] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 62 ms
[2024-05-23 09:01:48] [INFO ] Added : 13 causal constraints over 5 iterations in 122 ms. Result :sat
Minimization took 26 ms.
[2024-05-23 09:01:48] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 09:01:48] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-23 09:01:48] [INFO ] [Real]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-23 09:01:48] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 09:01:48] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 09:01:48] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2024-05-23 09:01:48] [INFO ] [Nat]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-23 09:01:48] [INFO ] Deduced a trap composed of 28 places in 44 ms of which 1 ms to minimize.
[2024-05-23 09:01:48] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 62 ms
[2024-05-23 09:01:48] [INFO ] Computed and/alt/rep : 68/344/64 causal constraints (skipped 96 transitions) in 9 ms.
[2024-05-23 09:01:48] [INFO ] Added : 10 causal constraints over 4 iterations in 53 ms. Result :sat
Minimization took 29 ms.
[2024-05-23 09:01:48] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 09:01:48] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 09:01:48] [INFO ] [Real]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-23 09:01:48] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 09:01:48] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 09:01:48] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-23 09:01:48] [INFO ] [Nat]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-05-23 09:01:48] [INFO ] Computed and/alt/rep : 68/344/64 causal constraints (skipped 96 transitions) in 10 ms.
[2024-05-23 09:01:48] [INFO ] Added : 26 causal constraints over 7 iterations in 82 ms. Result :sat
Minimization took 30 ms.
[2024-05-23 09:01:48] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 09:01:48] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-23 09:01:48] [INFO ] [Real]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-23 09:01:48] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 09:01:48] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 09:01:48] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-23 09:01:48] [INFO ] [Nat]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-23 09:01:48] [INFO ] Deduced a trap composed of 28 places in 48 ms of which 1 ms to minimize.
[2024-05-23 09:01:48] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 60 ms
[2024-05-23 09:01:48] [INFO ] Computed and/alt/rep : 68/344/64 causal constraints (skipped 96 transitions) in 11 ms.
[2024-05-23 09:01:48] [INFO ] Added : 19 causal constraints over 5 iterations in 63 ms. Result :sat
Minimization took 28 ms.
[2024-05-23 09:01:48] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 09:01:48] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-23 09:01:48] [INFO ] [Real]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-23 09:01:48] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 09:01:48] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 09:01:48] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-23 09:01:48] [INFO ] [Nat]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-23 09:01:49] [INFO ] Computed and/alt/rep : 68/344/64 causal constraints (skipped 96 transitions) in 8 ms.
[2024-05-23 09:01:49] [INFO ] Added : 14 causal constraints over 4 iterations in 52 ms. Result :sat
Minimization took 28 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3, 4424, 8555, 1613, 1592, 569] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3, 4424, 8555, 1613, 1592, 569] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
Support contains 6 out of 102 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 102/102 places, 253/253 transitions.
Applied a total of 0 rules in 6 ms. Remains 102 /102 variables (removed 0) and now considering 253/253 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 102/102 places, 253/253 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 102/102 places, 253/253 transitions.
Applied a total of 0 rules in 6 ms. Remains 102 /102 variables (removed 0) and now considering 253/253 (removed 0) transitions.
[2024-05-23 09:02:06] [INFO ] Flow matrix only has 162 transitions (discarded 91 similar events)
[2024-05-23 09:02:06] [INFO ] Invariant cache hit.
[2024-05-23 09:02:06] [INFO ] Implicit Places using invariants in 73 ms returned []
[2024-05-23 09:02:06] [INFO ] Flow matrix only has 162 transitions (discarded 91 similar events)
[2024-05-23 09:02:06] [INFO ] Invariant cache hit.
[2024-05-23 09:02:06] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-23 09:02:06] [INFO ] Implicit Places using invariants and state equation in 139 ms returned []
Implicit Place search using SMT with State Equation took 215 ms to find 0 implicit places.
[2024-05-23 09:02:06] [INFO ] Redundant transitions in 3 ms returned []
Running 251 sub problems to find dead transitions.
[2024-05-23 09:02:06] [INFO ] Flow matrix only has 162 transitions (discarded 91 similar events)
[2024-05-23 09:02:06] [INFO ] Invariant cache hit.
[2024-05-23 09:02:06] [INFO ] State equation strengthened by 27 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/102 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 251 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/102 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 251 unsolved
At refinement iteration 2 (OVERLAPS) 162/264 variables, 102/105 constraints. Problems are: Problem set: 0 solved, 251 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/264 variables, 27/132 constraints. Problems are: Problem set: 0 solved, 251 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/264 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 251 unsolved
At refinement iteration 5 (OVERLAPS) 0/264 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 251 unsolved
No progress, stopping.
After SMT solving in domain Real declared 264/264 variables, and 132 constraints, problems are : Problem set: 0 solved, 251 unsolved in 4578 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 102/102 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 251/251 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 251 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/102 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 251 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/102 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 251 unsolved
At refinement iteration 2 (OVERLAPS) 162/264 variables, 102/105 constraints. Problems are: Problem set: 0 solved, 251 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/264 variables, 27/132 constraints. Problems are: Problem set: 0 solved, 251 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/264 variables, 251/383 constraints. Problems are: Problem set: 0 solved, 251 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/264 variables, 0/383 constraints. Problems are: Problem set: 0 solved, 251 unsolved
At refinement iteration 6 (OVERLAPS) 0/264 variables, 0/383 constraints. Problems are: Problem set: 0 solved, 251 unsolved
No progress, stopping.
After SMT solving in domain Int declared 264/264 variables, and 383 constraints, problems are : Problem set: 0 solved, 251 unsolved in 6217 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 102/102 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 251/251 constraints, Known Traps: 0/0 constraints]
After SMT, in 10974ms problems are : Problem set: 0 solved, 251 unsolved
Search for dead transitions found 0 dead transitions in 10986ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11215 ms. Remains : 102/102 places, 253/253 transitions.
[2024-05-23 09:02:17] [INFO ] Flow matrix only has 162 transitions (discarded 91 similar events)
Found an invariant !
This invariant on transitions {24=1, 26=1, 76=1, 93=1, 127=1, 157=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {27=1, 77=1, 112=1, 153=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 6) seen :[0, 3, 0, 0, 3, 3]
Current structural bounds on expressions (after cover walk) : Max Seen:[3, 4424, 8555, 1613, 1592, 569] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 40000 steps (8 resets) in 886 ms. (45 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (8 resets) in 173 ms. (229 steps per ms) remains 6/6 properties
[2024-05-23 09:02:18] [INFO ] Flatten gal took : 108 ms
BEST_FIRST walk for 40004 steps (8 resets) in 139 ms. (285 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 121 ms. (327 steps per ms) remains 6/6 properties
[2024-05-23 09:02:18] [INFO ] Flatten gal took : 48 ms
BEST_FIRST walk for 40002 steps (8 resets) in 84 ms. (470 steps per ms) remains 6/6 properties
[2024-05-23 09:02:18] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5264609875140968198.gal : 30 ms
BEST_FIRST walk for 40004 steps (8 resets) in 93 ms. (425 steps per ms) remains 6/6 properties
[2024-05-23 09:02:18] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14557364975072731595.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality5264609875140968198.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14557364975072731595.prop' '--nowitness' '--gen-order' 'FOLLOW'

BEST_FIRST walk for 40004 steps (8 resets) in 99 ms. (400 steps per ms) remains 6/6 properties
its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality14557364975072731595.prop.
SDD proceeding with computation,6 properties remain. new max is 4
SDD size :1 after 27
SDD proceeding with computation,6 properties remain. new max is 8
SDD size :27 after 370
SDD proceeding with computation,6 properties remain. new max is 16
SDD size :370 after 2457
Invariant property MIN0 does not hold.
SDD proceeding with computation,5 properties remain. new max is 16
SDD size :2457 after 11725
SDD proceeding with computation,5 properties remain. new max is 32
SDD size :11725 after 39265
Interrupted probabilistic random walk after 376067 steps, run timeout after 3001 ms. (steps per millisecond=125 ) properties seen :1 out of 6
Probabilistic random walk after 376067 steps, saw 235472 distinct states, run finished after 3004 ms. (steps per millisecond=125 ) properties seen :1
[2024-05-23 09:02:21] [INFO ] Flow matrix only has 162 transitions (discarded 91 similar events)
[2024-05-23 09:02:21] [INFO ] Invariant cache hit.
[2024-05-23 09:02:21] [INFO ] State equation strengthened by 27 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 10/14 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/14 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 102/116 variables, 12/16 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/116 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 12/128 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/128 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/128 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 115/243 variables, 70/90 constraints. Problems are: Problem set: 0 solved, 4 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/243 variables, 26/116 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/243 variables, 0/116 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (OVERLAPS) 6/249 variables, 1/117 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/249 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (OVERLAPS) 14/263 variables, 13/130 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/263 variables, 1/131 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/263 variables, 0/131 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (OVERLAPS) 1/264 variables, 1/132 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/264 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 18 (OVERLAPS) 0/264 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 264/264 variables, and 132 constraints, problems are : Problem set: 0 solved, 4 unsolved in 283 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 102/102 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 10/14 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/14 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 102/116 variables, 12/16 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/116 variables, 3/19 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/116 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 12/128 variables, 2/21 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/128 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/128 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 115/243 variables, 70/93 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/243 variables, 26/119 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/243 variables, 1/120 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/243 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (OVERLAPS) 6/249 variables, 1/121 constraints. Problems are: Problem set: 0 solved, 4 unsolved
SDD proceeding with computation,5 properties remain. new max is 64
SDD size :39265 after 223556
At refinement iteration 14 (INCLUDED_ONLY) 0/249 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 15 (OVERLAPS) 14/263 variables, 13/134 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/263 variables, 1/135 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/263 variables, 0/135 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 18 (OVERLAPS) 1/264 variables, 1/136 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/264 variables, 0/136 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 20 (OVERLAPS) 0/264 variables, 0/136 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 264/264 variables, and 136 constraints, problems are : Problem set: 0 solved, 4 unsolved in 350 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 102/102 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
After SMT, in 636ms problems are : Problem set: 0 solved, 4 unsolved
Fused 4 Parikh solutions to 2 different solutions.
SDD proceeding with computation,5 properties remain. new max is 128
SDD size :223556 after 1.94724e+06
SDD proceeding with computation,5 properties remain. new max is 256
SDD size :1.94724e+06 after 2.21627e+07
Parikh walk visited 0 properties in 30000 ms.
Support contains 4 out of 102 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 102/102 places, 253/253 transitions.
Graph (complete) has 432 edges and 102 vertex of which 99 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.2 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 99 transition count 248
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 7 place count 98 transition count 246
Iterating global reduction 1 with 1 rules applied. Total rules applied 8 place count 98 transition count 246
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 9 place count 97 transition count 242
Iterating global reduction 1 with 1 rules applied. Total rules applied 10 place count 97 transition count 242
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 11 place count 96 transition count 240
Iterating global reduction 1 with 1 rules applied. Total rules applied 12 place count 96 transition count 240
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 13 place count 95 transition count 236
Iterating global reduction 1 with 1 rules applied. Total rules applied 14 place count 95 transition count 236
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 15 place count 94 transition count 234
Iterating global reduction 1 with 1 rules applied. Total rules applied 16 place count 94 transition count 234
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 17 place count 93 transition count 232
Iterating global reduction 1 with 1 rules applied. Total rules applied 18 place count 93 transition count 232
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 19 place count 92 transition count 230
Iterating global reduction 1 with 1 rules applied. Total rules applied 20 place count 92 transition count 230
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 21 place count 91 transition count 228
Iterating global reduction 1 with 1 rules applied. Total rules applied 22 place count 91 transition count 228
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 23 place count 90 transition count 226
Iterating global reduction 1 with 1 rules applied. Total rules applied 24 place count 90 transition count 226
Applied a total of 24 rules in 37 ms. Remains 90 /102 variables (removed 12) and now considering 226/253 (removed 27) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37 ms. Remains : 90/102 places, 226/253 transitions.
RANDOM walk for 40001 steps (8 resets) in 257 ms. (155 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 70 ms. (563 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 51 ms. (769 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 57 ms. (689 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 75 ms. (526 steps per ms) remains 4/4 properties
Interrupted probabilistic random walk after 448663 steps, run timeout after 3001 ms. (steps per millisecond=149 ) properties seen :0 out of 4
Probabilistic random walk after 448663 steps, saw 279287 distinct states, run finished after 3001 ms. (steps per millisecond=149 ) properties seen :0
[2024-05-23 09:02:55] [INFO ] Flow matrix only has 142 transitions (discarded 84 similar events)
// Phase 1: matrix 142 rows 90 cols
[2024-05-23 09:02:55] [INFO ] Computed 3 invariants in 0 ms
[2024-05-23 09:02:55] [INFO ] State equation strengthened by 23 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 10/14 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/14 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 92/106 variables, 12/16 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/106 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 10/116 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/116 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/116 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 100/216 variables, 62/82 constraints. Problems are: Problem set: 0 solved, 4 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/216 variables, 23/105 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/216 variables, 0/105 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (OVERLAPS) 6/222 variables, 1/106 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/222 variables, 0/106 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (OVERLAPS) 9/231 variables, 9/115 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/231 variables, 0/115 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 15 (OVERLAPS) 1/232 variables, 1/116 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/232 variables, 0/116 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 17 (OVERLAPS) 0/232 variables, 0/116 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 232/232 variables, and 116 constraints, problems are : Problem set: 0 solved, 4 unsolved in 142 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 90/90 constraints, ReadFeed: 23/23 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 10/14 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/14 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 92/106 variables, 12/16 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/106 variables, 3/19 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/106 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 10/116 variables, 2/21 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/116 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/116 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 100/216 variables, 62/85 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/216 variables, 23/108 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/216 variables, 1/109 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/216 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (OVERLAPS) 6/222 variables, 1/110 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/222 variables, 0/110 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 15 (OVERLAPS) 9/231 variables, 9/119 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/231 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 17 (OVERLAPS) 1/232 variables, 1/120 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/232 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 19 (OVERLAPS) 0/232 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 232/232 variables, and 120 constraints, problems are : Problem set: 0 solved, 4 unsolved in 171 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 90/90 constraints, ReadFeed: 23/23 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
After SMT, in 318ms problems are : Problem set: 0 solved, 4 unsolved
Fused 4 Parikh solutions to 2 different solutions.
SDD proceeding with computation,5 properties remain. new max is 512
SDD size :2.21627e+07 after 2.94362e+08
Detected timeout of ITS tools.
[2024-05-23 09:03:08] [INFO ] Flatten gal took : 68 ms
[2024-05-23 09:03:08] [INFO ] Applying decomposition
[2024-05-23 09:03:08] [INFO ] Flatten gal took : 31 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph9869720444291240348.txt' '-o' '/tmp/graph9869720444291240348.bin' '-w' '/tmp/graph9869720444291240348.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph9869720444291240348.bin' '-l' '-1' '-v' '-w' '/tmp/graph9869720444291240348.weights' '-q' '0' '-e' '0.001'
[2024-05-23 09:03:08] [INFO ] Decomposing Gal with order
[2024-05-23 09:03:08] [INFO ] Rewriting arrays to variables to allow decomposition.
[2024-05-23 09:03:09] [INFO ] Removed a total of 434 redundant transitions.
[2024-05-23 09:03:09] [INFO ] Flatten gal took : 153 ms
[2024-05-23 09:03:09] [INFO ] Fuse similar labels procedure discarded/fused a total of 156 labels/synchronizations in 49 ms.
[2024-05-23 09:03:09] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality447542740647720354.gal : 5 ms
[2024-05-23 09:03:09] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13985179186942229682.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality447542740647720354.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13985179186942229682.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...307
Loading property file /tmp/ReachabilityCardinality13985179186942229682.prop.
Parikh walk visited 0 properties in 30001 ms.
Support contains 4 out of 90 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 90/90 places, 226/226 transitions.
Applied a total of 0 rules in 5 ms. Remains 90 /90 variables (removed 0) and now considering 226/226 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 90/90 places, 226/226 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 90/90 places, 226/226 transitions.
Applied a total of 0 rules in 4 ms. Remains 90 /90 variables (removed 0) and now considering 226/226 (removed 0) transitions.
[2024-05-23 09:03:25] [INFO ] Flow matrix only has 142 transitions (discarded 84 similar events)
[2024-05-23 09:03:25] [INFO ] Invariant cache hit.
[2024-05-23 09:03:25] [INFO ] Implicit Places using invariants in 61 ms returned []
[2024-05-23 09:03:25] [INFO ] Flow matrix only has 142 transitions (discarded 84 similar events)
[2024-05-23 09:03:25] [INFO ] Invariant cache hit.
[2024-05-23 09:03:25] [INFO ] State equation strengthened by 23 read => feed constraints.
[2024-05-23 09:03:26] [INFO ] Implicit Places using invariants and state equation in 115 ms returned []
Implicit Place search using SMT with State Equation took 178 ms to find 0 implicit places.
[2024-05-23 09:03:26] [INFO ] Redundant transitions in 1 ms returned []
Running 224 sub problems to find dead transitions.
[2024-05-23 09:03:26] [INFO ] Flow matrix only has 142 transitions (discarded 84 similar events)
[2024-05-23 09:03:26] [INFO ] Invariant cache hit.
[2024-05-23 09:03:26] [INFO ] State equation strengthened by 23 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/90 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/90 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 2 (OVERLAPS) 142/232 variables, 90/93 constraints. Problems are: Problem set: 0 solved, 224 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/232 variables, 23/116 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/232 variables, 0/116 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 5 (OVERLAPS) 0/232 variables, 0/116 constraints. Problems are: Problem set: 0 solved, 224 unsolved
No progress, stopping.
After SMT solving in domain Real declared 232/232 variables, and 116 constraints, problems are : Problem set: 0 solved, 224 unsolved in 3201 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 90/90 constraints, ReadFeed: 23/23 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) 0/90 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/90 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 2 (OVERLAPS) 142/232 variables, 90/93 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/232 variables, 23/116 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/232 variables, 224/340 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/232 variables, 0/340 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 6 (OVERLAPS) 0/232 variables, 0/340 constraints. Problems are: Problem set: 0 solved, 224 unsolved
No progress, stopping.
After SMT solving in domain Int declared 232/232 variables, and 340 constraints, problems are : Problem set: 0 solved, 224 unsolved in 5199 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 90/90 constraints, ReadFeed: 23/23 constraints, PredecessorRefiner: 224/224 constraints, Known Traps: 0/0 constraints]
After SMT, in 8559ms problems are : Problem set: 0 solved, 224 unsolved
Search for dead transitions found 0 dead transitions in 8563ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8752 ms. Remains : 90/90 places, 226/226 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 84 transitions
Reduce isomorphic transitions removed 84 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 0 with 90 rules applied. Total rules applied 90 place count 90 transition count 136
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 96 place count 84 transition count 136
Performed 17 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 17 Pre rules applied. Total rules applied 96 place count 84 transition count 119
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 130 place count 67 transition count 119
Performed 17 Post agglomeration using F-continuation condition.Transition count delta: 17
Deduced a syphon composed of 17 places in 0 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 2 with 34 rules applied. Total rules applied 164 place count 50 transition count 102
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 171 place count 43 transition count 88
Iterating global reduction 2 with 7 rules applied. Total rules applied 178 place count 43 transition count 88
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 185 place count 36 transition count 74
Iterating global reduction 2 with 7 rules applied. Total rules applied 192 place count 36 transition count 74
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 199 place count 29 transition count 60
Iterating global reduction 2 with 7 rules applied. Total rules applied 206 place count 29 transition count 60
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 213 place count 29 transition count 53
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 213 place count 29 transition count 52
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 215 place count 28 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 3 with 2 rules applied. Total rules applied 217 place count 27 transition count 52
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 3 with 3 rules applied. Total rules applied 220 place count 27 transition count 49
Applied a total of 220 rules in 37 ms. Remains 27 /90 variables (removed 63) and now considering 49/226 (removed 177) transitions.
Running SMT prover for 4 properties.
// Phase 1: matrix 49 rows 27 cols
[2024-05-23 09:03:34] [INFO ] Computed 3 invariants in 1 ms
[2024-05-23 09:03:34] [INFO ] [Real]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-23 09:03:34] [INFO ] After 44ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
[2024-05-23 09:03:34] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 09:03:34] [INFO ] After 14ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
[2024-05-23 09:03:34] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-23 09:03:34] [INFO ] After 7ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :4
TRAPS : Iteration 0
[2024-05-23 09:03:34] [INFO ] After 17ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :4
[2024-05-23 09:03:34] [INFO ] After 74ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :4
[2024-05-23 09:03:34] [INFO ] Flatten gal took : 3 ms
[2024-05-23 09:03:34] [INFO ] Flatten gal took : 2 ms
[2024-05-23 09:03:34] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6012718243792396016.gal : 2 ms
[2024-05-23 09:03:34] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality18132068062571863725.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality6012718243792396016.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality18132068062571863725.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality18132068062571863725.prop.
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :1 after 6
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :6 after 150
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :150 after 990
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :990 after 7170
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :7170 after 52390
SDD proceeding with computation,4 properties remain. new max is 128
SDD size :52390 after 392114
SDD proceeding with computation,4 properties remain. new max is 256
SDD size :392114 after 2.99731e+06
SDD proceeding with computation,4 properties remain. new max is 512
SDD size :2.99731e+06 after 2.32997e+07
SDD proceeding with computation,4 properties remain. new max is 1024
SDD size :2.32997e+07 after 1.83183e+08
Detected timeout of ITS tools.
[2024-05-23 09:03:49] [INFO ] Flatten gal took : 2 ms
[2024-05-23 09:03:49] [INFO ] Applying decomposition
[2024-05-23 09:03:49] [INFO ] Flatten gal took : 3 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph18052686064363740515.txt' '-o' '/tmp/graph18052686064363740515.bin' '-w' '/tmp/graph18052686064363740515.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph18052686064363740515.bin' '-l' '-1' '-v' '-w' '/tmp/graph18052686064363740515.weights' '-q' '0' '-e' '0.001'
[2024-05-23 09:03:49] [INFO ] Decomposing Gal with order
[2024-05-23 09:03:49] [INFO ] Rewriting arrays to variables to allow decomposition.
[2024-05-23 09:03:49] [INFO ] Removed a total of 44 redundant transitions.
[2024-05-23 09:03:49] [INFO ] Flatten gal took : 5 ms
[2024-05-23 09:03:49] [INFO ] Fuse similar labels procedure discarded/fused a total of 7 labels/synchronizations in 1 ms.
[2024-05-23 09:03:49] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6942958622958444683.gal : 1 ms
[2024-05-23 09:03:49] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6071811089142128084.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality6942958622958444683.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6071811089142128084.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...307
Loading property file /tmp/ReachabilityCardinality6071811089142128084.prop.
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :1 after 6
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :6 after 85
Detected timeout of ITS tools.
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30288 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[3, 4424, 8555, 1613, 1592, 569] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
Starting property specific reduction for FunctionPointer-PT-b002-UpperBounds-00
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-23 09:04:04] [INFO ] Flow matrix only has 162 transitions (discarded 91 similar events)
// Phase 1: matrix 162 rows 102 cols
[2024-05-23 09:04:04] [INFO ] Computed 3 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 13 ms. (714 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2024-05-23 09:04:04] [INFO ] Flow matrix only has 162 transitions (discarded 91 similar events)
[2024-05-23 09:04:04] [INFO ] Invariant cache hit.
[2024-05-23 09:04:04] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 09:04:04] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-23 09:04:04] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-23 09:04:04] [INFO ] [Real]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-23 09:04:04] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 09:04:05] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 09:04:05] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-23 09:04:05] [INFO ] [Nat]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-23 09:04:05] [INFO ] Computed and/alt/rep : 68/344/64 causal constraints (skipped 96 transitions) in 8 ms.
[2024-05-23 09:04:05] [INFO ] Added : 2 causal constraints over 1 iterations in 28 ms. Result :sat
Minimization took 24 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:[1] Max Struct:[+inf]
Support contains 1 out of 102 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 102/102 places, 253/253 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 98 transition count 243
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 98 transition count 243
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 10 place count 98 transition count 241
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 13 place count 95 transition count 231
Iterating global reduction 1 with 3 rules applied. Total rules applied 16 place count 95 transition count 231
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 19 place count 92 transition count 225
Iterating global reduction 1 with 3 rules applied. Total rules applied 22 place count 92 transition count 225
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 25 place count 89 transition count 217
Iterating global reduction 1 with 3 rules applied. Total rules applied 28 place count 89 transition count 217
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 31 place count 86 transition count 211
Iterating global reduction 1 with 3 rules applied. Total rules applied 34 place count 86 transition count 211
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 37 place count 83 transition count 205
Iterating global reduction 1 with 3 rules applied. Total rules applied 40 place count 83 transition count 205
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 43 place count 80 transition count 199
Iterating global reduction 1 with 3 rules applied. Total rules applied 46 place count 80 transition count 199
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 48 place count 78 transition count 195
Iterating global reduction 1 with 2 rules applied. Total rules applied 50 place count 78 transition count 195
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 51 place count 77 transition count 193
Iterating global reduction 1 with 1 rules applied. Total rules applied 52 place count 77 transition count 193
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 53 place count 76 transition count 191
Iterating global reduction 1 with 1 rules applied. Total rules applied 54 place count 76 transition count 191
Applied a total of 54 rules in 20 ms. Remains 76 /102 variables (removed 26) and now considering 191/253 (removed 62) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 20 ms. Remains : 76/102 places, 191/253 transitions.
[2024-05-23 09:04:05] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
Found an invariant !
This invariant on transitions {31=1, 56=1, 102=1, 115=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {31=1, 56=1, 86=1, 112=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=526 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[1] Max Struct:[+inf]
[2024-05-23 09:04:05] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
// Phase 1: matrix 117 rows 76 cols
[2024-05-23 09:04:05] [INFO ] Computed 3 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 1000002 steps (2 resets) in 853 ms. (1170 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 379 ms. (2631 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3] Max Struct:[+inf]
[2024-05-23 09:04:06] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 09:04:06] [INFO ] Invariant cache hit.
[2024-05-23 09:04:06] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 09:04:06] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2024-05-23 09:04:06] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 09:04:06] [INFO ] [Real]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-23 09:04:06] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 09:04:06] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 09:04:06] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2024-05-23 09:04:06] [INFO ] [Nat]Added 18 Read/Feed constraints in 4 ms returned sat
[2024-05-23 09:04:06] [INFO ] Deduced a trap composed of 25 places in 55 ms of which 1 ms to minimize.
[2024-05-23 09:04:06] [INFO ] Deduced a trap composed of 18 places in 37 ms of which 1 ms to minimize.
[2024-05-23 09:04:06] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 109 ms
[2024-05-23 09:04:06] [INFO ] Computed and/alt/rep : 61/197/52 causal constraints (skipped 63 transitions) in 5 ms.
[2024-05-23 09:04:06] [INFO ] Added : 7 causal constraints over 2 iterations in 23 ms. Result :sat
Minimization took 21 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3] 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 5 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 76/76 places, 191/191 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 4 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
[2024-05-23 09:04:06] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 09:04:06] [INFO ] Invariant cache hit.
[2024-05-23 09:04:06] [INFO ] Implicit Places using invariants in 54 ms returned []
[2024-05-23 09:04:06] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 09:04:06] [INFO ] Invariant cache hit.
[2024-05-23 09:04:06] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 09:04:06] [INFO ] Implicit Places using invariants and state equation in 94 ms returned []
Implicit Place search using SMT with State Equation took 150 ms to find 0 implicit places.
[2024-05-23 09:04:06] [INFO ] Redundant transitions in 0 ms returned []
Running 189 sub problems to find dead transitions.
[2024-05-23 09:04:06] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 09:04:06] [INFO ] Invariant cache hit.
[2024-05-23 09:04:06] [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 2516 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 4045 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 6656ms problems are : Problem set: 0 solved, 189 unsolved
Search for dead transitions found 0 dead transitions in 6658ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6816 ms. Remains : 76/76 places, 191/191 transitions.
[2024-05-23 09:04:13] [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 19 ms. (steps per millisecond=526 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[3] Max Struct:[+inf]
[2024-05-23 09:04:13] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 09:04:13] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[3] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 899 ms. (1111 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 383 ms. (2604 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3] Max Struct:[+inf]
[2024-05-23 09:04:14] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 09:04:14] [INFO ] Invariant cache hit.
[2024-05-23 09:04:14] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 09:04:14] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2024-05-23 09:04:14] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 09:04:14] [INFO ] [Real]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-23 09:04:14] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 09:04:14] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 09:04:14] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2024-05-23 09:04:14] [INFO ] [Nat]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-23 09:04:15] [INFO ] Deduced a trap composed of 25 places in 44 ms of which 0 ms to minimize.
[2024-05-23 09:04:15] [INFO ] Deduced a trap composed of 18 places in 40 ms of which 1 ms to minimize.
[2024-05-23 09:04:15] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 96 ms
[2024-05-23 09:04:15] [INFO ] Computed and/alt/rep : 61/197/52 causal constraints (skipped 63 transitions) in 6 ms.
[2024-05-23 09:04:15] [INFO ] Added : 7 causal constraints over 2 iterations in 23 ms. Result :sat
Minimization took 20 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3] 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 7 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 7 ms. Remains : 76/76 places, 191/191 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 3 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
[2024-05-23 09:04:15] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 09:04:15] [INFO ] Invariant cache hit.
[2024-05-23 09:04:15] [INFO ] Implicit Places using invariants in 57 ms returned []
[2024-05-23 09:04:15] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 09:04:15] [INFO ] Invariant cache hit.
[2024-05-23 09:04:15] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 09:04:15] [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.
[2024-05-23 09:04:15] [INFO ] Redundant transitions in 0 ms returned []
Running 189 sub problems to find dead transitions.
[2024-05-23 09:04:15] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 09:04:15] [INFO ] Invariant cache hit.
[2024-05-23 09:04:15] [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 2483 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 4136 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 6714ms problems are : Problem set: 0 solved, 189 unsolved
Search for dead transitions found 0 dead transitions in 6716ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6880 ms. Remains : 76/76 places, 191/191 transitions.
[2024-05-23 09:04:22] [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 18 ms. (steps per millisecond=555 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[3] Max Struct:[+inf]
[2024-05-23 09:04:22] [INFO ] Flatten gal took : 13 ms
RANDOM walk for 40001 steps (8 resets) in 68 ms. (579 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 24 ms. (1600 steps per ms) remains 1/1 properties
[2024-05-23 09:04:22] [INFO ] Flatten gal took : 15 ms
[2024-05-23 09:04:22] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5664843085165214577.gal : 1 ms
[2024-05-23 09:04:22] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8813695842009374995.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality5664843085165214577.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8813695842009374995.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality8813695842009374995.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 27
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :27 after 339
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :339 after 633
Invariant property MIN0 does not hold.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 17 fixpoint passes
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,928,0.075773,6644,2,312,9,11239,6,0,497,4136,0
Total reachable state count : 928

Verifying 1 reachability properties.
Invariant property MIN0 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,6,0.076487,6644,2,79,9,11239,7,0,500,4136,0
Interrupted probabilistic random walk after 2106727 steps, run timeout after 3002 ms. (steps per millisecond=701 ) properties seen :0 out of 1
Probabilistic random walk after 2106727 steps, saw 1255780 distinct states, run finished after 3002 ms. (steps per millisecond=701 ) properties seen :0
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[3] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b002-UpperBounds-00 in 20246 ms.
Starting property specific reduction for FunctionPointer-PT-b002-UpperBounds-02
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-23 09:04:25] [INFO ] Flow matrix only has 162 transitions (discarded 91 similar events)
// Phase 1: matrix 162 rows 102 cols
[2024-05-23 09:04:25] [INFO ] Computed 3 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 12 ms. (769 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 5 ms. (1666 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[31] Max Struct:[+inf]
[2024-05-23 09:04:25] [INFO ] Flow matrix only has 162 transitions (discarded 91 similar events)
[2024-05-23 09:04:25] [INFO ] Invariant cache hit.
[2024-05-23 09:04:25] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 09:04:25] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-23 09:04:25] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-23 09:04:25] [INFO ] [Real]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-23 09:04:25] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 09:04:25] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 09:04:25] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-23 09:04:25] [INFO ] [Nat]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-23 09:04:25] [INFO ] Computed and/alt/rep : 68/344/64 causal constraints (skipped 96 transitions) in 9 ms.
[2024-05-23 09:04:25] [INFO ] Deduced a trap composed of 30 places in 57 ms of which 1 ms to minimize.
[2024-05-23 09:04:25] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 74 ms
[2024-05-23 09:04:25] [INFO ] Added : 13 causal constraints over 5 iterations in 135 ms. Result :sat
Minimization took 30 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[31] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[31] Max Struct:[+inf]
Support contains 1 out of 102 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 102/102 places, 253/253 transitions.
Graph (complete) has 432 edges and 102 vertex of which 99 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 99 transition count 248
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 10 place count 95 transition count 238
Iterating global reduction 1 with 4 rules applied. Total rules applied 14 place count 95 transition count 238
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 16 place count 95 transition count 236
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 19 place count 92 transition count 226
Iterating global reduction 2 with 3 rules applied. Total rules applied 22 place count 92 transition count 226
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 25 place count 89 transition count 220
Iterating global reduction 2 with 3 rules applied. Total rules applied 28 place count 89 transition count 220
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 31 place count 86 transition count 212
Iterating global reduction 2 with 3 rules applied. Total rules applied 34 place count 86 transition count 212
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 37 place count 83 transition count 206
Iterating global reduction 2 with 3 rules applied. Total rules applied 40 place count 83 transition count 206
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 43 place count 80 transition count 200
Iterating global reduction 2 with 3 rules applied. Total rules applied 46 place count 80 transition count 200
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 49 place count 77 transition count 194
Iterating global reduction 2 with 3 rules applied. Total rules applied 52 place count 77 transition count 194
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 54 place count 75 transition count 190
Iterating global reduction 2 with 2 rules applied. Total rules applied 56 place count 75 transition count 190
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 57 place count 74 transition count 188
Iterating global reduction 2 with 1 rules applied. Total rules applied 58 place count 74 transition count 188
Applied a total of 58 rules in 14 ms. Remains 74 /102 variables (removed 28) and now considering 188/253 (removed 65) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 74/102 places, 188/253 transitions.
[2024-05-23 09:04:25] [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 16 ms. (steps per millisecond=625 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[31] Max Struct:[+inf]
[2024-05-23 09:04:25] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
// Phase 1: matrix 115 rows 74 cols
[2024-05-23 09:04:25] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[31] Max Struct:[+inf]
RANDOM walk for 1000005 steps (2 resets) in 856 ms. (1166 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 386 ms. (2583 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[31] Max Struct:[+inf]
[2024-05-23 09:04:26] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 09:04:26] [INFO ] Invariant cache hit.
[2024-05-23 09:04:26] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 09:04:26] [INFO ] [Real]Absence check using state equation in 19 ms returned sat
[2024-05-23 09:04:26] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-23 09:04:26] [INFO ] [Real]Added 17 Read/Feed constraints in 2 ms returned sat
[2024-05-23 09:04:26] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 09:04:26] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 09:04:26] [INFO ] [Nat]Absence check using state equation in 19 ms returned sat
[2024-05-23 09:04:26] [INFO ] [Nat]Added 17 Read/Feed constraints in 4 ms returned sat
[2024-05-23 09:04:26] [INFO ] Deduced a trap composed of 20 places in 40 ms of which 1 ms to minimize.
[2024-05-23 09:04:26] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 48 ms
[2024-05-23 09:04:26] [INFO ] Computed and/alt/rep : 60/195/52 causal constraints (skipped 61 transitions) in 6 ms.
[2024-05-23 09:04:27] [INFO ] Added : 4 causal constraints over 3 iterations in 27 ms. Result :sat
Minimization took 22 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[31] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[31] Max Struct:[+inf]
Support contains 1 out of 74 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 188/188 transitions.
Applied a total of 0 rules in 2 ms. Remains 74 /74 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 74/74 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 188/188 transitions.
Applied a total of 0 rules in 2 ms. Remains 74 /74 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2024-05-23 09:04:27] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 09:04:27] [INFO ] Invariant cache hit.
[2024-05-23 09:04:27] [INFO ] Implicit Places using invariants in 52 ms returned []
[2024-05-23 09:04:27] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 09:04:27] [INFO ] Invariant cache hit.
[2024-05-23 09:04:27] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-23 09:04:27] [INFO ] Implicit Places using invariants and state equation in 106 ms returned []
Implicit Place search using SMT with State Equation took 161 ms to find 0 implicit places.
[2024-05-23 09:04:27] [INFO ] Redundant transitions in 1 ms returned []
Running 186 sub problems to find dead transitions.
[2024-05-23 09:04:27] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 09:04:27] [INFO ] Invariant cache hit.
[2024-05-23 09:04:27] [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
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 2351 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 3970 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 6413ms problems are : Problem set: 0 solved, 186 unsolved
Search for dead transitions found 0 dead transitions in 6416ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6583 ms. Remains : 74/74 places, 188/188 transitions.
[2024-05-23 09:04:33] [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 24 ms. (steps per millisecond=416 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[31] Max Struct:[+inf]
[2024-05-23 09:04:33] [INFO ] Flatten gal took : 20 ms
RANDOM walk for 40000 steps (8 resets) in 77 ms. (512 steps per ms) remains 1/1 properties
[2024-05-23 09:04:33] [INFO ] Flatten gal took : 7 ms
[2024-05-23 09:04:33] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1719150224002305624.gal : 2 ms
[2024-05-23 09:04:33] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17792305406483489156.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality1719150224002305624.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17792305406483489156.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 32023 steps (7 resets) in 35 ms. (889 steps per ms) remains 0/1 properties

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
java.io.IOException: Stream closed
at java.base/java.io.BufferedInputStream.getBufIfOpen(BufferedInputStream.java:168)
at java.base/java.io.BufferedInputStream.read1(BufferedInputStream.java:281)
at java.base/java.io.BufferedInputStream.read(BufferedInputStream.java:343)
at java.base/sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:270)
at java.base/sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:313)
at java.base/sun.nio.cs.StreamDecoder.read(StreamDecoder.java:188)
at java.base/java.io.InputStreamReader.read(InputStreamReader.java:177)
at java.base/java.io.BufferedReader.fill(BufferedReader.java:162)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:329)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:396)
at fr.lip6.move.gal.application.runner.its.ITSRunner$ITSInterpreter.run(ITSRunner.java:211)
at java.base/java.lang.Thread.run(Thread.java:840)
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[31] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b002-UpperBounds-02 in 8648 ms.
Starting property specific reduction for FunctionPointer-PT-b002-UpperBounds-04
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-23 09:04:33] [INFO ] Flow matrix only has 162 transitions (discarded 91 similar events)
// Phase 1: matrix 162 rows 102 cols
[2024-05-23 09:04:33] [INFO ] Computed 3 invariants in 0 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 12 ms. (769 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 6 ms. (1428 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[16] Max Struct:[+inf]
[2024-05-23 09:04:33] [INFO ] Flow matrix only has 162 transitions (discarded 91 similar events)
[2024-05-23 09:04:33] [INFO ] Invariant cache hit.
[2024-05-23 09:04:33] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 09:04:33] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-23 09:04:33] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-23 09:04:33] [INFO ] [Real]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-23 09:04:33] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 09:04:33] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 09:04:33] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-23 09:04:33] [INFO ] [Nat]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-23 09:04:34] [INFO ] Deduced a trap composed of 28 places in 56 ms of which 3 ms to minimize.
[2024-05-23 09:04:34] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 63 ms
[2024-05-23 09:04:34] [INFO ] Computed and/alt/rep : 68/344/64 causal constraints (skipped 96 transitions) in 8 ms.
[2024-05-23 09:04:34] [INFO ] Added : 10 causal constraints over 4 iterations in 47 ms. Result :sat
Minimization took 26 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[16] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[16] Max Struct:[+inf]
Support contains 1 out of 102 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 102/102 places, 253/253 transitions.
Graph (complete) has 432 edges and 102 vertex of which 99 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 99 transition count 248
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 9 place count 96 transition count 240
Iterating global reduction 1 with 3 rules applied. Total rules applied 12 place count 96 transition count 240
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 15 place count 93 transition count 230
Iterating global reduction 1 with 3 rules applied. Total rules applied 18 place count 93 transition count 230
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 21 place count 90 transition count 224
Iterating global reduction 1 with 3 rules applied. Total rules applied 24 place count 90 transition count 224
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 27 place count 87 transition count 216
Iterating global reduction 1 with 3 rules applied. Total rules applied 30 place count 87 transition count 216
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 33 place count 84 transition count 210
Iterating global reduction 1 with 3 rules applied. Total rules applied 36 place count 84 transition count 210
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 39 place count 81 transition count 204
Iterating global reduction 1 with 3 rules applied. Total rules applied 42 place count 81 transition count 204
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 45 place count 78 transition count 198
Iterating global reduction 1 with 3 rules applied. Total rules applied 48 place count 78 transition count 198
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 49 place count 77 transition count 196
Iterating global reduction 1 with 1 rules applied. Total rules applied 50 place count 77 transition count 196
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 51 place count 76 transition count 194
Iterating global reduction 1 with 1 rules applied. Total rules applied 52 place count 76 transition count 194
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 53 place count 75 transition count 192
Iterating global reduction 1 with 1 rules applied. Total rules applied 54 place count 75 transition count 192
Applied a total of 54 rules in 11 ms. Remains 75 /102 variables (removed 27) and now considering 192/253 (removed 61) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 75/102 places, 192/253 transitions.
[2024-05-23 09:04:34] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
Found an invariant !
This invariant on transitions {27=1, 55=1, 100=1, 116=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {25=1, 53=1, 98=1, 115=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[16] Max Struct:[+inf]
[2024-05-23 09:04:34] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
// Phase 1: matrix 117 rows 75 cols
[2024-05-23 09:04:34] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[16] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 867 ms. (1152 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 392 ms. (2544 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2179] Max Struct:[+inf]
[2024-05-23 09:04:35] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-23 09:04:35] [INFO ] Invariant cache hit.
[2024-05-23 09:04:35] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 09:04:35] [INFO ] [Real]Absence check using state equation in 19 ms returned sat
[2024-05-23 09:04:35] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-23 09:04:35] [INFO ] [Real]Added 17 Read/Feed constraints in 2 ms returned sat
[2024-05-23 09:04:35] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 09:04:35] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 09:04:35] [INFO ] [Nat]Absence check using state equation in 19 ms returned sat
[2024-05-23 09:04:35] [INFO ] [Nat]Added 17 Read/Feed constraints in 2 ms returned sat
[2024-05-23 09:04:35] [INFO ] Computed and/alt/rep : 60/196/52 causal constraints (skipped 63 transitions) in 6 ms.
[2024-05-23 09:04:35] [INFO ] Added : 7 causal constraints over 4 iterations in 38 ms. Result :sat
Minimization took 21 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2179] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2179] Max Struct:[+inf]
Support contains 1 out of 75 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 75/75 places, 192/192 transitions.
Applied a total of 0 rules in 5 ms. Remains 75 /75 variables (removed 0) and now considering 192/192 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 75/75 places, 192/192 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 75/75 places, 192/192 transitions.
Applied a total of 0 rules in 4 ms. Remains 75 /75 variables (removed 0) and now considering 192/192 (removed 0) transitions.
[2024-05-23 09:04:37] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-23 09:04:37] [INFO ] Invariant cache hit.
[2024-05-23 09:04:37] [INFO ] Implicit Places using invariants in 54 ms returned []
[2024-05-23 09:04:37] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-23 09:04:37] [INFO ] Invariant cache hit.
[2024-05-23 09:04:37] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-23 09:04:37] [INFO ] Implicit Places using invariants and state equation in 96 ms returned []
Implicit Place search using SMT with State Equation took 151 ms to find 0 implicit places.
[2024-05-23 09:04:37] [INFO ] Redundant transitions in 0 ms returned []
Running 190 sub problems to find dead transitions.
[2024-05-23 09:04:37] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-23 09:04:37] [INFO ] Invariant cache hit.
[2024-05-23 09:04:37] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 117/192 variables, 75/78 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/192 variables, 17/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (OVERLAPS) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 95 constraints, problems are : Problem set: 0 solved, 190 unsolved in 2445 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 75/75 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 190 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 117/192 variables, 75/78 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/192 variables, 17/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/192 variables, 190/285 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 0/285 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (OVERLAPS) 0/192 variables, 0/285 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Int declared 192/192 variables, and 285 constraints, problems are : Problem set: 0 solved, 190 unsolved in 3936 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 75/75 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints]
After SMT, in 6483ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 6487ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6654 ms. Remains : 75/75 places, 192/192 transitions.
[2024-05-23 09:04:43] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
Found an invariant !
This invariant on transitions {27=1, 55=1, 100=1, 116=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {25=1, 53=1, 98=1, 115=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 18 ms. (steps per millisecond=555 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[2179] Max Struct:[+inf]
[2024-05-23 09:04:43] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-23 09:04:43] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2179] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 870 ms. (1148 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 368 ms. (2710 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2347] Max Struct:[+inf]
[2024-05-23 09:04:45] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-23 09:04:45] [INFO ] Invariant cache hit.
[2024-05-23 09:04:45] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 09:04:45] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-05-23 09:04:45] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-23 09:04:45] [INFO ] [Real]Added 17 Read/Feed constraints in 2 ms returned sat
[2024-05-23 09:04:45] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 09:04:45] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 09:04:45] [INFO ] [Nat]Absence check using state equation in 19 ms returned sat
[2024-05-23 09:04:45] [INFO ] [Nat]Added 17 Read/Feed constraints in 1 ms returned sat
[2024-05-23 09:04:45] [INFO ] Computed and/alt/rep : 60/196/52 causal constraints (skipped 63 transitions) in 6 ms.
[2024-05-23 09:04:45] [INFO ] Added : 7 causal constraints over 4 iterations in 32 ms. Result :sat
Minimization took 18 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2347] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2347] Max Struct:[+inf]
Support contains 1 out of 75 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 75/75 places, 192/192 transitions.
Applied a total of 0 rules in 2 ms. Remains 75 /75 variables (removed 0) and now considering 192/192 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 75/75 places, 192/192 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 75/75 places, 192/192 transitions.
Applied a total of 0 rules in 2 ms. Remains 75 /75 variables (removed 0) and now considering 192/192 (removed 0) transitions.
[2024-05-23 09:04:47] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-23 09:04:47] [INFO ] Invariant cache hit.
[2024-05-23 09:04:47] [INFO ] Implicit Places using invariants in 58 ms returned []
[2024-05-23 09:04:47] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-23 09:04:47] [INFO ] Invariant cache hit.
[2024-05-23 09:04:47] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-23 09:04:47] [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.
[2024-05-23 09:04:47] [INFO ] Redundant transitions in 1 ms returned []
Running 190 sub problems to find dead transitions.
[2024-05-23 09:04:47] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-23 09:04:47] [INFO ] Invariant cache hit.
[2024-05-23 09:04:47] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 117/192 variables, 75/78 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/192 variables, 17/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (OVERLAPS) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 95 constraints, problems are : Problem set: 0 solved, 190 unsolved in 2431 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 75/75 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 190 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 117/192 variables, 75/78 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/192 variables, 17/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/192 variables, 190/285 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 0/285 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (OVERLAPS) 0/192 variables, 0/285 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Int declared 192/192 variables, and 285 constraints, problems are : Problem set: 0 solved, 190 unsolved in 3989 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 75/75 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints]
After SMT, in 6528ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 6530ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6692 ms. Remains : 75/75 places, 192/192 transitions.
[2024-05-23 09:04:53] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
Found an invariant !
This invariant on transitions {27=1, 55=1, 100=1, 116=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {25=1, 53=1, 98=1, 115=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 18 ms. (steps per millisecond=555 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[2347] Max Struct:[+inf]
[2024-05-23 09:04:53] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-23 09:04:53] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2347] Max Struct:[+inf]
RANDOM walk for 1000001 steps (2 resets) in 888 ms. (1124 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 352 ms. (2832 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2347] Max Struct:[+inf]
[2024-05-23 09:04:55] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-23 09:04:55] [INFO ] Invariant cache hit.
[2024-05-23 09:04:55] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 09:04:55] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2024-05-23 09:04:55] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-23 09:04:55] [INFO ] [Real]Added 17 Read/Feed constraints in 2 ms returned sat
[2024-05-23 09:04:55] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 09:04:55] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 09:04:55] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2024-05-23 09:04:55] [INFO ] [Nat]Added 17 Read/Feed constraints in 2 ms returned sat
[2024-05-23 09:04:55] [INFO ] Computed and/alt/rep : 60/196/52 causal constraints (skipped 63 transitions) in 6 ms.
[2024-05-23 09:04:55] [INFO ] Added : 7 causal constraints over 4 iterations in 32 ms. Result :sat
Minimization took 18 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2347] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2347] Max Struct:[+inf]
Support contains 1 out of 75 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 75/75 places, 192/192 transitions.
Applied a total of 0 rules in 7 ms. Remains 75 /75 variables (removed 0) and now considering 192/192 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 75/75 places, 192/192 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 75/75 places, 192/192 transitions.
Applied a total of 0 rules in 6 ms. Remains 75 /75 variables (removed 0) and now considering 192/192 (removed 0) transitions.
[2024-05-23 09:04:56] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-23 09:04:56] [INFO ] Invariant cache hit.
[2024-05-23 09:04:56] [INFO ] Implicit Places using invariants in 56 ms returned []
[2024-05-23 09:04:56] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-23 09:04:56] [INFO ] Invariant cache hit.
[2024-05-23 09:04:56] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-23 09:04:56] [INFO ] Implicit Places using invariants and state equation in 97 ms returned []
Implicit Place search using SMT with State Equation took 153 ms to find 0 implicit places.
[2024-05-23 09:04:56] [INFO ] Redundant transitions in 0 ms returned []
Running 190 sub problems to find dead transitions.
[2024-05-23 09:04:56] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-23 09:04:56] [INFO ] Invariant cache hit.
[2024-05-23 09:04:56] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 117/192 variables, 75/78 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/192 variables, 17/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (OVERLAPS) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 95 constraints, problems are : Problem set: 0 solved, 190 unsolved in 2442 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 75/75 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 190 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 117/192 variables, 75/78 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/192 variables, 17/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/192 variables, 190/285 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 0/285 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (OVERLAPS) 0/192 variables, 0/285 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Int declared 192/192 variables, and 285 constraints, problems are : Problem set: 0 solved, 190 unsolved in 3973 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 75/75 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints]
After SMT, in 6510ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 6514ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6678 ms. Remains : 75/75 places, 192/192 transitions.
[2024-05-23 09:05:03] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
Found an invariant !
This invariant on transitions {27=1, 55=1, 100=1, 116=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {25=1, 53=1, 98=1, 115=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=714 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[2347] Max Struct:[+inf]
[2024-05-23 09:05:03] [INFO ] Flatten gal took : 10 ms
[2024-05-23 09:05:03] [INFO ] Flatten gal took : 7 ms
[2024-05-23 09:05:03] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8563947555378828073.gal : 7 ms
[2024-05-23 09:05:03] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13540572210574341018.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality8563947555378828073.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13540572210574341018.prop' '--nowitness' '--gen-order' 'FOLLOW'
RANDOM walk for 40000 steps (8 resets) in 95 ms. (416 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 23 ms. (1666 steps per ms) remains 1/1 properties

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality13540572210574341018.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 27
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :27 after 345
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :345 after 682
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :682 after 1314
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :1314 after 2016
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :2016 after 34673
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :34673 after 138905
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :138905 after 346561
Interrupted probabilistic random walk after 2096065 steps, run timeout after 3001 ms. (steps per millisecond=698 ) properties seen :0 out of 1
Probabilistic random walk after 2096065 steps, saw 1304702 distinct states, run finished after 3001 ms. (steps per millisecond=698 ) properties seen :0
[2024-05-23 09:05:06] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-23 09:05:06] [INFO ] Invariant cache hit.
[2024-05-23 09:05:06] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 65/76 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/76 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/76 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/76 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 3/79 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/79 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/79 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 90/169 variables, 50/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/169 variables, 16/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/169 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (OVERLAPS) 6/175 variables, 1/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/175 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 10/185 variables, 9/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/185 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 4/189 variables, 2/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/189 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 3/192 variables, 2/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 95 constraints, problems are : Problem set: 0 solved, 1 unsolved in 96 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 75/75 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 65/76 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/76 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/76 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/76 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/76 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 3/79 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/79 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/79 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 90/169 variables, 50/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/169 variables, 16/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/169 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 6/175 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/175 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 10/185 variables, 9/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/185 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 4/189 variables, 2/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 3/192 variables, 2/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/192 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/192 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 192/192 variables, and 96 constraints, problems are : Problem set: 0 solved, 1 unsolved in 84 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 75/75 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 195ms problems are : Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :346561 after 761065
Parikh walk visited 0 properties in 1412 ms.
Support contains 1 out of 75 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 75/75 places, 192/192 transitions.
Applied a total of 0 rules in 3 ms. Remains 75 /75 variables (removed 0) and now considering 192/192 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 75/75 places, 192/192 transitions.
RANDOM walk for 40000 steps (8 resets) in 62 ms. (634 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 22 ms. (1739 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2107174 steps, run timeout after 3001 ms. (steps per millisecond=702 ) properties seen :0 out of 1
Probabilistic random walk after 2107174 steps, saw 1311616 distinct states, run finished after 3001 ms. (steps per millisecond=702 ) properties seen :0
[2024-05-23 09:05:11] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-23 09:05:11] [INFO ] Invariant cache hit.
[2024-05-23 09:05:11] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 65/76 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/76 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/76 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/76 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 3/79 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/79 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/79 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 90/169 variables, 50/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/169 variables, 16/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/169 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (OVERLAPS) 6/175 variables, 1/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/175 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 10/185 variables, 9/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/185 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 4/189 variables, 2/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/189 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 3/192 variables, 2/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 95 constraints, problems are : Problem set: 0 solved, 1 unsolved in 81 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 75/75 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 65/76 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/76 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/76 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/76 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/76 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 3/79 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/79 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/79 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 90/169 variables, 50/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/169 variables, 16/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/169 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 6/175 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/175 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 10/185 variables, 9/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/185 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 4/189 variables, 2/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 3/192 variables, 2/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/192 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/192 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 192/192 variables, and 96 constraints, problems are : Problem set: 0 solved, 1 unsolved in 68 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 75/75 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 169ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 1420 ms.
Support contains 1 out of 75 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 75/75 places, 192/192 transitions.
Applied a total of 0 rules in 13 ms. Remains 75 /75 variables (removed 0) and now considering 192/192 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 75/75 places, 192/192 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 75/75 places, 192/192 transitions.
Applied a total of 0 rules in 2 ms. Remains 75 /75 variables (removed 0) and now considering 192/192 (removed 0) transitions.
[2024-05-23 09:05:12] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-23 09:05:12] [INFO ] Invariant cache hit.
[2024-05-23 09:05:12] [INFO ] Implicit Places using invariants in 62 ms returned []
[2024-05-23 09:05:12] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-23 09:05:12] [INFO ] Invariant cache hit.
[2024-05-23 09:05:12] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-23 09:05:12] [INFO ] Implicit Places using invariants and state equation in 98 ms returned []
Implicit Place search using SMT with State Equation took 186 ms to find 0 implicit places.
[2024-05-23 09:05:13] [INFO ] Redundant transitions in 0 ms returned []
Running 190 sub problems to find dead transitions.
[2024-05-23 09:05:13] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-23 09:05:13] [INFO ] Invariant cache hit.
[2024-05-23 09:05:13] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 117/192 variables, 75/78 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/192 variables, 17/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (OVERLAPS) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 95 constraints, problems are : Problem set: 0 solved, 190 unsolved in 2421 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 75/75 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 190 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 117/192 variables, 75/78 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/192 variables, 17/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/192 variables, 190/285 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 0/285 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (OVERLAPS) 0/192 variables, 0/285 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Int declared 192/192 variables, and 285 constraints, problems are : Problem set: 0 solved, 190 unsolved in 4070 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 75/75 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints]
After SMT, in 6599ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 6600ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6792 ms. Remains : 75/75 places, 192/192 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 75 transitions
Reduce isomorphic transitions removed 75 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 0 with 81 rules applied. Total rules applied 81 place count 75 transition count 111
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 87 place count 69 transition count 111
Performed 11 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 11 Pre rules applied. Total rules applied 87 place count 69 transition count 100
Deduced a syphon composed of 11 places in 0 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 2 with 22 rules applied. Total rules applied 109 place count 58 transition count 100
Performed 17 Post agglomeration using F-continuation condition.Transition count delta: 17
Deduced a syphon composed of 17 places in 0 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 2 with 34 rules applied. Total rules applied 143 place count 41 transition count 83
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 150 place count 34 transition count 69
Iterating global reduction 2 with 7 rules applied. Total rules applied 157 place count 34 transition count 69
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 164 place count 27 transition count 55
Iterating global reduction 2 with 7 rules applied. Total rules applied 171 place count 27 transition count 55
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 178 place count 20 transition count 41
Iterating global reduction 2 with 7 rules applied. Total rules applied 185 place count 20 transition count 41
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 192 place count 20 transition count 34
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 192 place count 20 transition count 33
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 194 place count 19 transition count 33
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 196 place count 18 transition count 33
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 3 with 3 rules applied. Total rules applied 199 place count 18 transition count 30
Applied a total of 199 rules in 11 ms. Remains 18 /75 variables (removed 57) and now considering 30/192 (removed 162) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 30 rows 18 cols
[2024-05-23 09:05:19] [INFO ] Computed 3 invariants in 0 ms
[2024-05-23 09:05:19] [INFO ] [Real]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-23 09:05:19] [INFO ] After 7ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2024-05-23 09:05:19] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-23 09:05:19] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-23 09:05:19] [INFO ] After 36ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-23 09:05:19] [INFO ] [Nat]Absence check using 3 positive place invariants in 22 ms returned sat
[2024-05-23 09:05:19] [INFO ] After 7ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-23 09:05:19] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-23 09:05:19] [INFO ] After 4ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-23 09:05:19] [INFO ] After 87ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2024-05-23 09:05:19] [INFO ] Flatten gal took : 1 ms
[2024-05-23 09:05:19] [INFO ] Flatten gal took : 2 ms
[2024-05-23 09:05:19] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality943529312125803167.gal : 1 ms
[2024-05-23 09:05:19] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15791997299275217068.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality943529312125803167.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15791997299275217068.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality15791997299275217068.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 6
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :6 after 20
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :20 after 78
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :78 after 214
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :214 after 478
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :478 after 998
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :998 after 2030
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :2030 after 4086
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :4086 after 8190
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :8190 after 16390
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :761065 after 1.58926e+06
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :16390 after 32782
Detected timeout of ITS tools.
[2024-05-23 09:05:34] [INFO ] Flatten gal took : 4 ms
[2024-05-23 09:05:34] [INFO ] Applying decomposition
[2024-05-23 09:05:34] [INFO ] Flatten gal took : 1 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph5139974817322267771.txt' '-o' '/tmp/graph5139974817322267771.bin' '-w' '/tmp/graph5139974817322267771.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph5139974817322267771.bin' '-l' '-1' '-v' '-w' '/tmp/graph5139974817322267771.weights' '-q' '0' '-e' '0.001'
[2024-05-23 09:05:34] [INFO ] Decomposing Gal with order
[2024-05-23 09:05:34] [INFO ] Rewriting arrays to variables to allow decomposition.
[2024-05-23 09:05:34] [INFO ] Removed a total of 22 redundant transitions.
[2024-05-23 09:05:34] [INFO ] Flatten gal took : 3 ms
[2024-05-23 09:05:34] [INFO ] Fuse similar labels procedure discarded/fused a total of 2 labels/synchronizations in 0 ms.
[2024-05-23 09:05:34] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10159970555566709274.gal : 1 ms
[2024-05-23 09:05:34] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10965530231846159144.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality10159970555566709274.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10965530231846159144.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...309
Loading property file /tmp/ReachabilityCardinality10965530231846159144.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 6
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :6 after 20
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :20 after 119
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :119 after 783
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :783 after 9951
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :9951 after 83359
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :83359 after 682783
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :682783 after 5.52707e+06
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :5.52707e+06 after 4.44775e+07
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :4.44775e+07 after 3.56866e+08
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30262 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2024-05-23 09:05:49] [INFO ] Flatten gal took : 7 ms
[2024-05-23 09:05:49] [INFO ] Applying decomposition
[2024-05-23 09:05:49] [INFO ] Flatten gal took : 10 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph7010919309616804.txt' '-o' '/tmp/graph7010919309616804.bin' '-w' '/tmp/graph7010919309616804.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph7010919309616804.bin' '-l' '-1' '-v' '-w' '/tmp/graph7010919309616804.weights' '-q' '0' '-e' '0.001'
[2024-05-23 09:05:49] [INFO ] Decomposing Gal with order
[2024-05-23 09:05:49] [INFO ] Rewriting arrays to variables to allow decomposition.
[2024-05-23 09:05:49] [INFO ] Removed a total of 322 redundant transitions.
[2024-05-23 09:05:49] [INFO ] Flatten gal took : 14 ms
[2024-05-23 09:05:49] [INFO ] Fuse similar labels procedure discarded/fused a total of 97 labels/synchronizations in 5 ms.
[2024-05-23 09:05:49] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7584261733922145276.gal : 2 ms
[2024-05-23 09:05:49] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3776752008410184853.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality7584261733922145276.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3776752008410184853.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...307
Loading property file /tmp/ReachabilityCardinality3776752008410184853.prop.
Detected timeout of ITS tools.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2347] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b002-UpperBounds-04 in 126256 ms.
Starting property specific reduction for FunctionPointer-PT-b002-UpperBounds-05
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-23 09:06:40] [INFO ] Flow matrix only has 162 transitions (discarded 91 similar events)
// Phase 1: matrix 162 rows 102 cols
[2024-05-23 09:06:40] [INFO ] Computed 3 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 11 ms. (833 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 5 ms. (1666 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[4] Max Struct:[+inf]
[2024-05-23 09:06:40] [INFO ] Flow matrix only has 162 transitions (discarded 91 similar events)
[2024-05-23 09:06:40] [INFO ] Invariant cache hit.
[2024-05-23 09:06:40] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 09:06:40] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-23 09:06:40] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-23 09:06:40] [INFO ] [Real]Added 27 Read/Feed constraints in 6 ms returned sat
[2024-05-23 09:06:40] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 09:06:40] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 09:06:40] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 09:06:40] [INFO ] [Nat]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-23 09:06:40] [INFO ] Computed and/alt/rep : 68/344/64 causal constraints (skipped 96 transitions) in 10 ms.
[2024-05-23 09:06:40] [INFO ] Deduced a trap composed of 22 places in 47 ms of which 1 ms to minimize.
[2024-05-23 09:06:40] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 67 ms
[2024-05-23 09:06:40] [INFO ] Added : 22 causal constraints over 7 iterations in 156 ms. Result :sat
Minimization took 30 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[4] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[4] Max Struct:[+inf]
Support contains 1 out of 102 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 102/102 places, 253/253 transitions.
Graph (complete) has 432 edges and 102 vertex of which 99 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 99 transition count 248
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 9 place count 96 transition count 240
Iterating global reduction 1 with 3 rules applied. Total rules applied 12 place count 96 transition count 240
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 14 place count 96 transition count 238
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 16 place count 94 transition count 232
Iterating global reduction 2 with 2 rules applied. Total rules applied 18 place count 94 transition count 232
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 20 place count 92 transition count 228
Iterating global reduction 2 with 2 rules applied. Total rules applied 22 place count 92 transition count 228
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 24 place count 90 transition count 222
Iterating global reduction 2 with 2 rules applied. Total rules applied 26 place count 90 transition count 222
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 28 place count 88 transition count 218
Iterating global reduction 2 with 2 rules applied. Total rules applied 30 place count 88 transition count 218
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 32 place count 86 transition count 214
Iterating global reduction 2 with 2 rules applied. Total rules applied 34 place count 86 transition count 214
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 36 place count 84 transition count 210
Iterating global reduction 2 with 2 rules applied. Total rules applied 38 place count 84 transition count 210
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 39 place count 83 transition count 208
Iterating global reduction 2 with 1 rules applied. Total rules applied 40 place count 83 transition count 208
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 41 place count 82 transition count 206
Iterating global reduction 2 with 1 rules applied. Total rules applied 42 place count 82 transition count 206
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 43 place count 81 transition count 204
Iterating global reduction 2 with 1 rules applied. Total rules applied 44 place count 81 transition count 204
Applied a total of 44 rules in 14 ms. Remains 81 /102 variables (removed 21) and now considering 204/253 (removed 49) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 81/102 places, 204/253 transitions.
[2024-05-23 09:06:40] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
Found an invariant !
This invariant on transitions {31=1, 63=1, 109=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {31=1, 63=1, 109=1, 123=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[4] Max Struct:[+inf]
[2024-05-23 09:06:40] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
// Phase 1: matrix 125 rows 81 cols
[2024-05-23 09:06:40] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[4] Max Struct:[+inf]
RANDOM walk for 1000001 steps (2 resets) in 869 ms. (1149 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 362 ms. (2754 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1562] Max Struct:[+inf]
[2024-05-23 09:06:41] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 09:06:41] [INFO ] Invariant cache hit.
[2024-05-23 09:06:41] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 09:06:41] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-05-23 09:06:41] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 09:06:41] [INFO ] [Real]Added 18 Read/Feed constraints in 4 ms returned sat
[2024-05-23 09:06:41] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 09:06:41] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 09:06:41] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2024-05-23 09:06:41] [INFO ] [Nat]Added 18 Read/Feed constraints in 2 ms returned sat
[2024-05-23 09:06:41] [INFO ] Deduced a trap composed of 15 places in 41 ms of which 0 ms to minimize.
[2024-05-23 09:06:41] [INFO ] Deduced a trap composed of 18 places in 37 ms of which 1 ms to minimize.
[2024-05-23 09:06:41] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 89 ms
[2024-05-23 09:06:41] [INFO ] Computed and/alt/rep : 59/193/53 causal constraints (skipped 70 transitions) in 6 ms.
[2024-05-23 09:06:42] [INFO ] Added : 19 causal constraints over 6 iterations in 59 ms. Result :sat
Minimization took 22 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1562] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1562] Max Struct:[+inf]
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 204/204 transitions.
Applied a total of 0 rules in 3 ms. Remains 81 /81 variables (removed 0) and now considering 204/204 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 81/81 places, 204/204 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 204/204 transitions.
Applied a total of 0 rules in 2 ms. Remains 81 /81 variables (removed 0) and now considering 204/204 (removed 0) transitions.
[2024-05-23 09:06:44] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 09:06:44] [INFO ] Invariant cache hit.
[2024-05-23 09:06:44] [INFO ] Implicit Places using invariants in 55 ms returned []
[2024-05-23 09:06:44] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 09:06:44] [INFO ] Invariant cache hit.
[2024-05-23 09:06:44] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 09:06:44] [INFO ] Implicit Places using invariants and state equation in 105 ms returned []
Implicit Place search using SMT with State Equation took 163 ms to find 0 implicit places.
[2024-05-23 09:06:44] [INFO ] Redundant transitions in 1 ms returned []
Running 202 sub problems to find dead transitions.
[2024-05-23 09:06:44] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 09:06:44] [INFO ] Invariant cache hit.
[2024-05-23 09:06:44] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 2 (OVERLAPS) 125/206 variables, 81/84 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/206 variables, 18/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 5 (OVERLAPS) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
No progress, stopping.
After SMT solving in domain Real declared 206/206 variables, and 102 constraints, problems are : Problem set: 0 solved, 202 unsolved in 3351 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 202/202 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 202 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 2 (OVERLAPS) 125/206 variables, 81/84 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/206 variables, 18/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/206 variables, 202/304 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/206 variables, 0/304 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 6 (OVERLAPS) 0/206 variables, 0/304 constraints. Problems are: Problem set: 0 solved, 202 unsolved
No progress, stopping.
After SMT solving in domain Int declared 206/206 variables, and 304 constraints, problems are : Problem set: 0 solved, 202 unsolved in 4339 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 202/202 constraints, Known Traps: 0/0 constraints]
After SMT, in 7787ms problems are : Problem set: 0 solved, 202 unsolved
Search for dead transitions found 0 dead transitions in 7788ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7959 ms. Remains : 81/81 places, 204/204 transitions.
[2024-05-23 09:06:52] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
Found an invariant !
This invariant on transitions {31=1, 63=1, 109=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {31=1, 63=1, 109=1, 123=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=526 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[1562] Max Struct:[+inf]
[2024-05-23 09:06:52] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 09:06:52] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1562] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 871 ms. (1146 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 365 ms. (2732 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1562] Max Struct:[+inf]
[2024-05-23 09:06:53] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 09:06:53] [INFO ] Invariant cache hit.
[2024-05-23 09:06:53] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 09:06:53] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2024-05-23 09:06:53] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 09:06:53] [INFO ] [Real]Added 18 Read/Feed constraints in 6 ms returned sat
[2024-05-23 09:06:53] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 09:06:53] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 09:06:53] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-23 09:06:53] [INFO ] [Nat]Added 18 Read/Feed constraints in 2 ms returned sat
[2024-05-23 09:06:53] [INFO ] Deduced a trap composed of 15 places in 44 ms of which 0 ms to minimize.
[2024-05-23 09:06:53] [INFO ] Deduced a trap composed of 18 places in 36 ms of which 1 ms to minimize.
[2024-05-23 09:06:53] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 92 ms
[2024-05-23 09:06:53] [INFO ] Computed and/alt/rep : 59/193/53 causal constraints (skipped 70 transitions) in 8 ms.
[2024-05-23 09:06:53] [INFO ] Added : 19 causal constraints over 6 iterations in 55 ms. Result :sat
Minimization took 25 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1562] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1562] Max Struct:[+inf]
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 204/204 transitions.
Applied a total of 0 rules in 2 ms. Remains 81 /81 variables (removed 0) and now considering 204/204 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 81/81 places, 204/204 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 204/204 transitions.
Applied a total of 0 rules in 3 ms. Remains 81 /81 variables (removed 0) and now considering 204/204 (removed 0) transitions.
[2024-05-23 09:06:56] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 09:06:56] [INFO ] Invariant cache hit.
[2024-05-23 09:06:56] [INFO ] Implicit Places using invariants in 56 ms returned []
[2024-05-23 09:06:56] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 09:06:56] [INFO ] Invariant cache hit.
[2024-05-23 09:06:56] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 09:06:56] [INFO ] Implicit Places using invariants and state equation in 104 ms returned []
Implicit Place search using SMT with State Equation took 162 ms to find 0 implicit places.
[2024-05-23 09:06:56] [INFO ] Redundant transitions in 1 ms returned []
Running 202 sub problems to find dead transitions.
[2024-05-23 09:06:56] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 09:06:56] [INFO ] Invariant cache hit.
[2024-05-23 09:06:56] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 2 (OVERLAPS) 125/206 variables, 81/84 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/206 variables, 18/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 5 (OVERLAPS) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
No progress, stopping.
After SMT solving in domain Real declared 206/206 variables, and 102 constraints, problems are : Problem set: 0 solved, 202 unsolved in 3301 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 202/202 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 202 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 2 (OVERLAPS) 125/206 variables, 81/84 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/206 variables, 18/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/206 variables, 202/304 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/206 variables, 0/304 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 6 (OVERLAPS) 0/206 variables, 0/304 constraints. Problems are: Problem set: 0 solved, 202 unsolved
No progress, stopping.
After SMT solving in domain Int declared 206/206 variables, and 304 constraints, problems are : Problem set: 0 solved, 202 unsolved in 4427 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 202/202 constraints, Known Traps: 0/0 constraints]
After SMT, in 7834ms problems are : Problem set: 0 solved, 202 unsolved
Search for dead transitions found 0 dead transitions in 7836ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8007 ms. Remains : 81/81 places, 204/204 transitions.
[2024-05-23 09:07:04] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
Found an invariant !
This invariant on transitions {31=1, 63=1, 109=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {31=1, 63=1, 109=1, 123=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[1562] Max Struct:[+inf]
RANDOM walk for 40002 steps (8 resets) in 52 ms. (754 steps per ms) remains 1/1 properties
[2024-05-23 09:07:04] [INFO ] Flatten gal took : 22 ms
BEST_FIRST walk for 40004 steps (8 resets) in 30 ms. (1290 steps per ms) remains 1/1 properties
[2024-05-23 09:07:04] [INFO ] Flatten gal took : 8 ms
[2024-05-23 09:07:04] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality570132745052061180.gal : 2 ms
[2024-05-23 09:07:04] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9927448416130627919.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality570132745052061180.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9927448416130627919.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...327
Loading property file /tmp/ReachabilityCardinality9927448416130627919.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 27
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :27 after 351
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :351 after 786
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :786 after 1323
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :1323 after 10079
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :10079 after 46999
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :46999 after 120271
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :120271 after 266247
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :266247 after 557631
Interrupted probabilistic random walk after 2013249 steps, run timeout after 3001 ms. (steps per millisecond=670 ) properties seen :0 out of 1
Probabilistic random walk after 2013249 steps, saw 1253152 distinct states, run finished after 3001 ms. (steps per millisecond=670 ) properties seen :0
[2024-05-23 09:07:07] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 09:07:07] [INFO ] Invariant cache hit.
[2024-05-23 09:07:07] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 71/82 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/82 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/92 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/92 variables, 4/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/92 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 97/189 variables, 57/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/189 variables, 18/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/189 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 6/195 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/195 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 10/205 variables, 10/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/205 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/206 variables, 1/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 206/206 variables, and 102 constraints, problems are : Problem set: 0 solved, 1 unsolved in 113 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 71/82 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/82 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/82 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 10/92 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/92 variables, 4/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/92 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 97/189 variables, 57/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/189 variables, 18/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/189 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 6/195 variables, 1/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/195 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 10/205 variables, 10/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/205 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/206 variables, 1/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/206 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/206 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 206/206 variables, and 103 constraints, problems are : Problem set: 0 solved, 1 unsolved in 70 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 205ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 2167 ms.
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 204/204 transitions.
Applied a total of 0 rules in 2 ms. Remains 81 /81 variables (removed 0) and now considering 204/204 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 81/81 places, 204/204 transitions.
RANDOM walk for 40006 steps (8 resets) in 69 ms. (571 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 26 ms. (1481 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1859091 steps, run timeout after 3001 ms. (steps per millisecond=619 ) properties seen :0 out of 1
Probabilistic random walk after 1859091 steps, saw 1157202 distinct states, run finished after 3001 ms. (steps per millisecond=619 ) properties seen :0
[2024-05-23 09:07:12] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 09:07:12] [INFO ] Invariant cache hit.
[2024-05-23 09:07:12] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 71/82 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/82 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/92 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/92 variables, 4/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/92 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 97/189 variables, 57/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/189 variables, 18/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/189 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 6/195 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/195 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 10/205 variables, 10/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/205 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/206 variables, 1/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 206/206 variables, and 102 constraints, problems are : Problem set: 0 solved, 1 unsolved in 83 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 71/82 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/82 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/82 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 10/92 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/92 variables, 4/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/92 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 97/189 variables, 57/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/189 variables, 18/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/189 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 6/195 variables, 1/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/195 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 10/205 variables, 10/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/205 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/206 variables, 1/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/206 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/206 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 206/206 variables, and 103 constraints, problems are : Problem set: 0 solved, 1 unsolved in 72 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 180ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 2153 ms.
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 204/204 transitions.
Applied a total of 0 rules in 3 ms. Remains 81 /81 variables (removed 0) and now considering 204/204 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 81/81 places, 204/204 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 204/204 transitions.
Applied a total of 0 rules in 3 ms. Remains 81 /81 variables (removed 0) and now considering 204/204 (removed 0) transitions.
[2024-05-23 09:07:15] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 09:07:15] [INFO ] Invariant cache hit.
[2024-05-23 09:07:15] [INFO ] Implicit Places using invariants in 81 ms returned []
[2024-05-23 09:07:15] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 09:07:15] [INFO ] Invariant cache hit.
[2024-05-23 09:07:15] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 09:07:15] [INFO ] Implicit Places using invariants and state equation in 103 ms returned []
Implicit Place search using SMT with State Equation took 209 ms to find 0 implicit places.
[2024-05-23 09:07:15] [INFO ] Redundant transitions in 0 ms returned []
Running 202 sub problems to find dead transitions.
[2024-05-23 09:07:15] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 09:07:15] [INFO ] Invariant cache hit.
[2024-05-23 09:07:15] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :557631 after 1.13983e+06
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 2 (OVERLAPS) 125/206 variables, 81/84 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/206 variables, 18/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 5 (OVERLAPS) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
No progress, stopping.
After SMT solving in domain Real declared 206/206 variables, and 102 constraints, problems are : Problem set: 0 solved, 202 unsolved in 3280 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 202/202 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 202 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 2 (OVERLAPS) 125/206 variables, 81/84 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/206 variables, 18/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/206 variables, 202/304 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/206 variables, 0/304 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 6 (OVERLAPS) 0/206 variables, 0/304 constraints. Problems are: Problem set: 0 solved, 202 unsolved
No progress, stopping.
After SMT solving in domain Int declared 206/206 variables, and 304 constraints, problems are : Problem set: 0 solved, 202 unsolved in 4350 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 202/202 constraints, Known Traps: 0/0 constraints]
After SMT, in 7747ms problems are : Problem set: 0 solved, 202 unsolved
Search for dead transitions found 0 dead transitions in 7749ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7967 ms. Remains : 81/81 places, 204/204 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 79 transitions
Reduce isomorphic transitions removed 79 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 7 transitions
Trivial Post-agglo rules discarded 7 transitions
Performed 7 trivial Post agglomeration. Transition count delta: 7
Iterating post reduction 0 with 86 rules applied. Total rules applied 86 place count 81 transition count 118
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 93 place count 74 transition count 118
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 16 Pre rules applied. Total rules applied 93 place count 74 transition count 102
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 125 place count 58 transition count 102
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: 15
Deduced a syphon composed of 15 places in 0 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 2 with 30 rules applied. Total rules applied 155 place count 43 transition count 87
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 162 place count 36 transition count 73
Iterating global reduction 2 with 7 rules applied. Total rules applied 169 place count 36 transition count 73
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 176 place count 29 transition count 59
Iterating global reduction 2 with 7 rules applied. Total rules applied 183 place count 29 transition count 59
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 190 place count 22 transition count 45
Iterating global reduction 2 with 7 rules applied. Total rules applied 197 place count 22 transition count 45
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 204 place count 22 transition count 38
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 204 place count 22 transition count 37
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 206 place count 21 transition count 37
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 208 place count 20 transition count 37
Applied a total of 208 rules in 11 ms. Remains 20 /81 variables (removed 61) and now considering 37/204 (removed 167) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 37 rows 20 cols
[2024-05-23 09:07:23] [INFO ] Computed 3 invariants in 0 ms
[2024-05-23 09:07:23] [INFO ] [Real]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-23 09:07:23] [INFO ] After 9ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2024-05-23 09:07:23] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-23 09:07:23] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-23 09:07:23] [INFO ] After 38ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-23 09:07:23] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 09:07:23] [INFO ] After 8ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-23 09:07:23] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-23 09:07:23] [INFO ] After 4ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-23 09:07:23] [INFO ] After 38ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2024-05-23 09:07:23] [INFO ] Flatten gal took : 2 ms
[2024-05-23 09:07:23] [INFO ] Flatten gal took : 1 ms
[2024-05-23 09:07:23] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16981442928796555061.gal : 1 ms
[2024-05-23 09:07:23] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12275090718198350992.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality16981442928796555061.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12275090718198350992.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality12275090718198350992.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 6
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :6 after 88
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :88 after 312
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :312 after 1180
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :1180 after 4512
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :4512 after 17448
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :17448 after 68144
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :68144 after 268348
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :268348 after 1.06298e+06
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :1.06298e+06 after 4.22716e+06
Detected timeout of ITS tools.
[2024-05-23 09:07:38] [INFO ] Flatten gal took : 4 ms
[2024-05-23 09:07:38] [INFO ] Applying decomposition
[2024-05-23 09:07:38] [INFO ] Flatten gal took : 4 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph15581998122337339279.txt' '-o' '/tmp/graph15581998122337339279.bin' '-w' '/tmp/graph15581998122337339279.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph15581998122337339279.bin' '-l' '-1' '-v' '-w' '/tmp/graph15581998122337339279.weights' '-q' '0' '-e' '0.001'
[2024-05-23 09:07:38] [INFO ] Decomposing Gal with order
[2024-05-23 09:07:38] [INFO ] Rewriting arrays to variables to allow decomposition.
[2024-05-23 09:07:38] [INFO ] Removed a total of 30 redundant transitions.
[2024-05-23 09:07:38] [INFO ] Flatten gal took : 3 ms
[2024-05-23 09:07:38] [INFO ] Fuse similar labels procedure discarded/fused a total of 6 labels/synchronizations in 1 ms.
[2024-05-23 09:07:38] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8933260105333228757.gal : 1 ms
[2024-05-23 09:07:38] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5104628241737057731.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality8933260105333228757.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5104628241737057731.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...307
Loading property file /tmp/ReachabilityCardinality5104628241737057731.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 6
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30226 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2024-05-23 09:07:53] [INFO ] Flatten gal took : 11 ms
[2024-05-23 09:07:53] [INFO ] Applying decomposition
[2024-05-23 09:07:53] [INFO ] Flatten gal took : 6 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph8117877338354280706.txt' '-o' '/tmp/graph8117877338354280706.bin' '-w' '/tmp/graph8117877338354280706.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph8117877338354280706.bin' '-l' '-1' '-v' '-w' '/tmp/graph8117877338354280706.weights' '-q' '0' '-e' '0.001'
[2024-05-23 09:07:53] [INFO ] Decomposing Gal with order
[2024-05-23 09:07:53] [INFO ] Rewriting arrays to variables to allow decomposition.
[2024-05-23 09:07:53] [INFO ] Removed a total of 347 redundant transitions.
[2024-05-23 09:07:53] [INFO ] Flatten gal took : 28 ms
[2024-05-23 09:07:53] [INFO ] Fuse similar labels procedure discarded/fused a total of 108 labels/synchronizations in 11 ms.
[2024-05-23 09:07:53] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5227586848800901814.gal : 1 ms
[2024-05-23 09:07:53] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17999328816581949520.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality5227586848800901814.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17999328816581949520.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality17999328816581949520.prop.
Detected timeout of ITS tools.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[1562] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b002-UpperBounds-05 in 123377 ms.
Starting property specific reduction for FunctionPointer-PT-b002-UpperBounds-07
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-23 09:08:43] [INFO ] Flow matrix only has 162 transitions (discarded 91 similar events)
// Phase 1: matrix 162 rows 102 cols
[2024-05-23 09:08:43] [INFO ] Computed 3 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 14 ms. (666 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 5 ms. (1666 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[13] Max Struct:[+inf]
[2024-05-23 09:08:43] [INFO ] Flow matrix only has 162 transitions (discarded 91 similar events)
[2024-05-23 09:08:43] [INFO ] Invariant cache hit.
[2024-05-23 09:08:43] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 09:08:43] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-23 09:08:43] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-23 09:08:43] [INFO ] [Real]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-23 09:08:43] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 09:08:43] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 09:08:43] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-23 09:08:43] [INFO ] [Nat]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-23 09:08:43] [INFO ] Deduced a trap composed of 28 places in 49 ms of which 2 ms to minimize.
[2024-05-23 09:08:43] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 58 ms
[2024-05-23 09:08:43] [INFO ] Computed and/alt/rep : 68/344/64 causal constraints (skipped 96 transitions) in 8 ms.
[2024-05-23 09:08:43] [INFO ] Added : 19 causal constraints over 5 iterations in 64 ms. Result :sat
Minimization took 28 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[13] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[13] Max Struct:[+inf]
Support contains 1 out of 102 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 102/102 places, 253/253 transitions.
Graph (complete) has 432 edges and 102 vertex of which 99 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 99 transition count 248
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 9 place count 96 transition count 242
Iterating global reduction 1 with 3 rules applied. Total rules applied 12 place count 96 transition count 242
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 14 place count 96 transition count 240
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 16 place count 94 transition count 232
Iterating global reduction 2 with 2 rules applied. Total rules applied 18 place count 94 transition count 232
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 20 place count 92 transition count 228
Iterating global reduction 2 with 2 rules applied. Total rules applied 22 place count 92 transition count 228
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 24 place count 90 transition count 222
Iterating global reduction 2 with 2 rules applied. Total rules applied 26 place count 90 transition count 222
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 28 place count 88 transition count 218
Iterating global reduction 2 with 2 rules applied. Total rules applied 30 place count 88 transition count 218
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 32 place count 86 transition count 214
Iterating global reduction 2 with 2 rules applied. Total rules applied 34 place count 86 transition count 214
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 36 place count 84 transition count 210
Iterating global reduction 2 with 2 rules applied. Total rules applied 38 place count 84 transition count 210
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 40 place count 82 transition count 206
Iterating global reduction 2 with 2 rules applied. Total rules applied 42 place count 82 transition count 206
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 43 place count 81 transition count 204
Iterating global reduction 2 with 1 rules applied. Total rules applied 44 place count 81 transition count 204
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 45 place count 80 transition count 202
Iterating global reduction 2 with 1 rules applied. Total rules applied 46 place count 80 transition count 202
Applied a total of 46 rules in 14 ms. Remains 80 /102 variables (removed 22) and now considering 202/253 (removed 51) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 80/102 places, 202/253 transitions.
[2024-05-23 09:08:43] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
Found an invariant !
This invariant on transitions {27=1, 58=1, 104=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {29=1, 60=1, 90=1, 119=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=714 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[13] Max Struct:[+inf]
[2024-05-23 09:08:43] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
// Phase 1: matrix 124 rows 80 cols
[2024-05-23 09:08:43] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[13] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 901 ms. (1108 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 367 ms. (2717 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[13] Max Struct:[+inf]
[2024-05-23 09:08:45] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
[2024-05-23 09:08:45] [INFO ] Invariant cache hit.
[2024-05-23 09:08:45] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 09:08:45] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2024-05-23 09:08:45] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 09:08:45] [INFO ] [Real]Added 18 Read/Feed constraints in 4 ms returned sat
[2024-05-23 09:08:45] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 09:08:45] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 09:08:45] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2024-05-23 09:08:45] [INFO ] [Nat]Added 18 Read/Feed constraints in 4 ms returned sat
[2024-05-23 09:08:45] [INFO ] Deduced a trap composed of 15 places in 42 ms of which 1 ms to minimize.
[2024-05-23 09:08:45] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 55 ms
[2024-05-23 09:08:45] [INFO ] Computed and/alt/rep : 59/192/53 causal constraints (skipped 69 transitions) in 8 ms.
[2024-05-23 09:08:45] [INFO ] Added : 8 causal constraints over 3 iterations in 38 ms. Result :sat
Minimization took 22 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[13] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[13] Max Struct:[+inf]
Support contains 1 out of 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 7 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 7 ms. Remains : 80/80 places, 202/202 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 80/80 places, 202/202 transitions.
Applied a total of 0 rules in 2 ms. Remains 80 /80 variables (removed 0) and now considering 202/202 (removed 0) transitions.
[2024-05-23 09:08:45] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
[2024-05-23 09:08:45] [INFO ] Invariant cache hit.
[2024-05-23 09:08:45] [INFO ] Implicit Places using invariants in 63 ms returned []
[2024-05-23 09:08:45] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
[2024-05-23 09:08:45] [INFO ] Invariant cache hit.
[2024-05-23 09:08:45] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 09:08:45] [INFO ] Implicit Places using invariants and state equation in 116 ms returned []
Implicit Place search using SMT with State Equation took 180 ms to find 0 implicit places.
[2024-05-23 09:08:45] [INFO ] Redundant transitions in 1 ms returned []
Running 200 sub problems to find dead transitions.
[2024-05-23 09:08:45] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
[2024-05-23 09:08:45] [INFO ] Invariant cache hit.
[2024-05-23 09:08:45] [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
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 3048 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 4507 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 7673ms problems are : Problem set: 0 solved, 200 unsolved
Search for dead transitions found 0 dead transitions in 7677ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7864 ms. Remains : 80/80 places, 202/202 transitions.
[2024-05-23 09:08:53] [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 1 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 14 ms. (steps per millisecond=714 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[13] Max Struct:[+inf]
[2024-05-23 09:08:53] [INFO ] Flatten gal took : 13 ms
[2024-05-23 09:08:53] [INFO ] Flatten gal took : 5 ms
[2024-05-23 09:08:53] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13512541079570255293.gal : 1 ms
[2024-05-23 09:08:53] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1839804999037191696.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality13512541079570255293.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1839804999037191696.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality1839804999037191696.prop.
RANDOM walk for 40001 steps (8 resets) in 72 ms. (547 steps per ms) remains 1/1 properties
BEST_FIRST walk for 32536 steps (6 resets) in 21 ms. (1478 steps per ms) remains 0/1 properties
ITS runner timed out or was interrupted.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 27
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[13] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b002-UpperBounds-07 in 9950 ms.
Starting property specific reduction for FunctionPointer-PT-b002-UpperBounds-08
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-23 09:08:53] [INFO ] Flow matrix only has 162 transitions (discarded 91 similar events)
// Phase 1: matrix 162 rows 102 cols
[2024-05-23 09:08:53] [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 14 ms. (666 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[4] Max Struct:[+inf]
[2024-05-23 09:08:53] [INFO ] Flow matrix only has 162 transitions (discarded 91 similar events)
[2024-05-23 09:08:53] [INFO ] Invariant cache hit.
[2024-05-23 09:08:53] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 09:08:53] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-23 09:08:53] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-23 09:08:53] [INFO ] [Real]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-23 09:08:53] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 09:08:53] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 09:08:53] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-23 09:08:53] [INFO ] [Nat]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-23 09:08:53] [INFO ] Computed and/alt/rep : 68/344/64 causal constraints (skipped 96 transitions) in 9 ms.
[2024-05-23 09:08:53] [INFO ] Added : 14 causal constraints over 4 iterations in 50 ms. Result :sat
Minimization took 27 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[4] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[4] Max Struct:[+inf]
Support contains 1 out of 102 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 102/102 places, 253/253 transitions.
Graph (complete) has 432 edges and 102 vertex of which 99 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 99 transition count 248
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 9 place count 96 transition count 240
Iterating global reduction 1 with 3 rules applied. Total rules applied 12 place count 96 transition count 240
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 14 place count 96 transition count 238
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 16 place count 94 transition count 232
Iterating global reduction 2 with 2 rules applied. Total rules applied 18 place count 94 transition count 232
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 20 place count 92 transition count 228
Iterating global reduction 2 with 2 rules applied. Total rules applied 22 place count 92 transition count 228
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 24 place count 90 transition count 224
Iterating global reduction 2 with 2 rules applied. Total rules applied 26 place count 90 transition count 224
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 28 place count 88 transition count 220
Iterating global reduction 2 with 2 rules applied. Total rules applied 30 place count 88 transition count 220
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 32 place count 86 transition count 216
Iterating global reduction 2 with 2 rules applied. Total rules applied 34 place count 86 transition count 216
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 36 place count 84 transition count 212
Iterating global reduction 2 with 2 rules applied. Total rules applied 38 place count 84 transition count 212
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 39 place count 83 transition count 210
Iterating global reduction 2 with 1 rules applied. Total rules applied 40 place count 83 transition count 210
Applied a total of 40 rules in 14 ms. Remains 83 /102 variables (removed 19) and now considering 210/253 (removed 43) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 83/102 places, 210/253 transitions.
[2024-05-23 09:08:53] [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 16 ms. (steps per millisecond=625 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[4] Max Struct:[+inf]
[2024-05-23 09:08:53] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
// Phase 1: matrix 130 rows 83 cols
[2024-05-23 09:08:53] [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 945 ms. (1057 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 374 ms. (2666 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[583] Max Struct:[+inf]
[2024-05-23 09:08:55] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
[2024-05-23 09:08:55] [INFO ] Invariant cache hit.
[2024-05-23 09:08:55] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 09:08:55] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-23 09:08:55] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 09:08:55] [INFO ] [Real]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-23 09:08:55] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 09:08:55] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 09:08:55] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2024-05-23 09:08:55] [INFO ] [Nat]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-23 09:08:55] [INFO ] Deduced a trap composed of 25 places in 37 ms of which 0 ms to minimize.
[2024-05-23 09:08:55] [INFO ] Deduced a trap composed of 21 places in 38 ms of which 1 ms to minimize.
[2024-05-23 09:08:55] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 87 ms
[2024-05-23 09:08:55] [INFO ] Computed and/alt/rep : 61/202/55 causal constraints (skipped 73 transitions) in 6 ms.
[2024-05-23 09:08:55] [INFO ] Added : 13 causal constraints over 4 iterations in 39 ms. Result :sat
Minimization took 23 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[583] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[583] 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 5 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 5 ms. Remains : 83/83 places, 210/210 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 83/83 places, 210/210 transitions.
Applied a total of 0 rules in 2 ms. Remains 83 /83 variables (removed 0) and now considering 210/210 (removed 0) transitions.
[2024-05-23 09:08:55] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
[2024-05-23 09:08:55] [INFO ] Invariant cache hit.
[2024-05-23 09:08:55] [INFO ] Implicit Places using invariants in 62 ms returned []
[2024-05-23 09:08:55] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
[2024-05-23 09:08:55] [INFO ] Invariant cache hit.
[2024-05-23 09:08:55] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 09:08:55] [INFO ] Implicit Places using invariants and state equation in 105 ms returned []
Implicit Place search using SMT with State Equation took 167 ms to find 0 implicit places.
[2024-05-23 09:08:55] [INFO ] Redundant transitions in 0 ms returned []
Running 208 sub problems to find dead transitions.
[2024-05-23 09:08:55] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
[2024-05-23 09:08:55] [INFO ] Invariant cache hit.
[2024-05-23 09:08:55] [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 2857 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 4786 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 7753ms problems are : Problem set: 0 solved, 208 unsolved
Search for dead transitions found 0 dead transitions in 7755ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7931 ms. Remains : 83/83 places, 210/210 transitions.
[2024-05-23 09:09:03] [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 1 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 23 ms. (steps per millisecond=434 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[583] Max Struct:[+inf]
[2024-05-23 09:09:03] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
[2024-05-23 09:09:03] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[583] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 987 ms. (1012 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 371 ms. (2688 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[583] Max Struct:[+inf]
[2024-05-23 09:09:04] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
[2024-05-23 09:09:04] [INFO ] Invariant cache hit.
[2024-05-23 09:09:04] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 09:09:04] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2024-05-23 09:09:04] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 09:09:04] [INFO ] [Real]Added 18 Read/Feed constraints in 2 ms returned sat
[2024-05-23 09:09:04] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 09:09:04] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 09:09:04] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2024-05-23 09:09:04] [INFO ] [Nat]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-23 09:09:04] [INFO ] Deduced a trap composed of 25 places in 40 ms of which 0 ms to minimize.
[2024-05-23 09:09:04] [INFO ] Deduced a trap composed of 21 places in 36 ms of which 1 ms to minimize.
[2024-05-23 09:09:04] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 93 ms
[2024-05-23 09:09:04] [INFO ] Computed and/alt/rep : 61/202/55 causal constraints (skipped 73 transitions) in 7 ms.
[2024-05-23 09:09:04] [INFO ] Added : 13 causal constraints over 4 iterations in 43 ms. Result :sat
Minimization took 25 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[583] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[583] 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 4 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 6 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 4 ms. Remains 83 /83 variables (removed 0) and now considering 210/210 (removed 0) transitions.
[2024-05-23 09:09:04] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
[2024-05-23 09:09:04] [INFO ] Invariant cache hit.
[2024-05-23 09:09:05] [INFO ] Implicit Places using invariants in 55 ms returned []
[2024-05-23 09:09:05] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
[2024-05-23 09:09:05] [INFO ] Invariant cache hit.
[2024-05-23 09:09:05] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 09:09:05] [INFO ] Implicit Places using invariants and state equation in 93 ms returned []
Implicit Place search using SMT with State Equation took 178 ms to find 0 implicit places.
[2024-05-23 09:09:05] [INFO ] Redundant transitions in 1 ms returned []
Running 208 sub problems to find dead transitions.
[2024-05-23 09:09:05] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
[2024-05-23 09:09:05] [INFO ] Invariant cache hit.
[2024-05-23 09:09:05] [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 2783 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 4812 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 7726ms problems are : Problem set: 0 solved, 208 unsolved
Search for dead transitions found 0 dead transitions in 7728ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7915 ms. Remains : 83/83 places, 210/210 transitions.
[2024-05-23 09:09:12] [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 24 ms. (steps per millisecond=416 ) properties (out of 1) seen :[2147483647]
Current structural bounds on expressions (after cover walk) : Max Seen:[+inf] Max Struct:[+inf]
[2024-05-23 09:09:12] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
[2024-05-23 09:09:12] [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 961 ms. (1039 steps per ms)
FORMULA FunctionPointer-PT-b002-UpperBounds-08 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 0 steps (0 resets) in 0 ms. (0 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
RANDOM walk for 0 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/0 properties
Finished probabilistic random walk after 0 steps, run visited all 0 properties in 0 ms. (steps per millisecond=0 )
[2024-05-23 09:09:13] [INFO ] Flatten gal took : 8 ms
[2024-05-23 09:09:13] [INFO ] Flatten gal took : 6 ms
[2024-05-23 09:09:13] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10550486118342480838.gal : 1 ms
[2024-05-23 09:09:13] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7970767077737947475.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality10550486118342480838.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7970767077737947475.prop' '--nowitness' '--gen-order' 'FOLLOW'
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.

java.io.IOException: Stream closed
at java.base/java.io.BufferedInputStream.getBufIfOpen(BufferedInputStream.java:168)
at java.base/java.io.BufferedInputStream.read(BufferedInputStream.java:334)
at java.base/sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:270)
at java.base/sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:313)
at java.base/sun.nio.cs.StreamDecoder.read(StreamDecoder.java:188)
at java.base/java.io.InputStreamReader.read(InputStreamReader.java:177)
at java.base/java.io.BufferedReader.fill(BufferedReader.java:162)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:329)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:396)
at fr.lip6.move.gal.application.runner.its.ITSRunner$ITSInterpreter.run(ITSRunner.java:211)
at java.base/java.lang.Thread.run(Thread.java:840)
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[] Max Struct:[]
Ending property specific reduction for FunctionPointer-PT-b002-UpperBounds-08 in 20593 ms.
[2024-05-23 09:09:13] [INFO ] Flatten gal took : 7 ms
[2024-05-23 09:09:13] [INFO ] Applying decomposition
[2024-05-23 09:09:13] [INFO ] Flatten gal took : 6 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph4168273492608428721.txt' '-o' '/tmp/graph4168273492608428721.bin' '-w' '/tmp/graph4168273492608428721.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph4168273492608428721.bin' '-l' '-1' '-v' '-w' '/tmp/graph4168273492608428721.weights' '-q' '0' '-e' '0.001'
[2024-05-23 09:09:14] [INFO ] Decomposing Gal with order
[2024-05-23 09:09:14] [INFO ] Rewriting arrays to variables to allow decomposition.
[2024-05-23 09:09:14] [INFO ] Removed a total of 434 redundant transitions.
[2024-05-23 09:09:14] [INFO ] Flatten gal took : 13 ms
[2024-05-23 09:09:14] [INFO ] Fuse similar labels procedure discarded/fused a total of 152 labels/synchronizations in 5 ms.
[2024-05-23 09:09:14] [INFO ] Time to serialize gal into /tmp/UpperBounds5902168987410993254.gal : 2 ms
[2024-05-23 09:09:14] [INFO ] Time to serialize properties into /tmp/UpperBounds18215757136475839561.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/UpperBounds5902168987410993254.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds18215757136475839561.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...284
Loading property file /tmp/UpperBounds18215757136475839561.prop.
Detected timeout of ITS tools.
[2024-05-23 09:32:12] [INFO ] Flatten gal took : 7 ms
[2024-05-23 09:32:12] [INFO ] Time to serialize gal into /tmp/UpperBounds5417637584479634367.gal : 2 ms
[2024-05-23 09:32:12] [INFO ] Time to serialize properties into /tmp/UpperBounds4420916667008032058.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/UpperBounds5417637584479634367.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds4420916667008032058.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...304
Loading property file /tmp/UpperBounds4420916667008032058.prop.
Detected timeout of ITS tools.
[2024-05-23 09:55:10] [INFO ] Flatten gal took : 7 ms
[2024-05-23 09:55:10] [INFO ] Input system was already deterministic with 253 transitions.
[2024-05-23 09:55:10] [INFO ] Transformed 102 places.
[2024-05-23 09:55:10] [INFO ] Transformed 253 transitions.
Running greatSPN : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//../itstools/bin//..//greatspn//bin/pinvar' '/home/mcc/execution/gspn'
Run of greatSPN captured in /home/mcc/execution/outPut.txt
Running greatSPN : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//../itstools/bin//..//greatspn//bin/RGMEDD2' '/home/mcc/execution/gspn' '-META' '-varord-only'
Run of greatSPN captured in /home/mcc/execution/outPut.txt
Using order generated by GreatSPN with heuristic : META
[2024-05-23 09:55:11] [INFO ] Time to serialize gal into /tmp/UpperBounds4403648678244901062.gal : 2 ms
[2024-05-23 09:55:11] [INFO ] Time to serialize properties into /tmp/UpperBounds8841489621719878428.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/UpperBounds4403648678244901062.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds8841489621719878428.prop' '--nowitness' '--load-order' '/home/mcc/execution/model.ord' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...349
Successfully loaded order from file /home/mcc/execution/model.ord
Loading property file /tmp/UpperBounds8841489621719878428.prop.

BK_TIME_CONFINEMENT_REACHED

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

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-b002"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="itstools"
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 itstools"
echo " Input is FunctionPointer-PT-b002, 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 r180-tall-171640602900221"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FunctionPointer-PT-b002.tgz
mv FunctionPointer-PT-b002 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

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