Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r159-tall-177961079700010.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-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 2-5973
Executing tool gold2025
Input is FunctionPointer-PT-b008, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r159-tall-177961079700010
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 832K
-rw-r--r-- 1 mcc users 7.3K Mar 7 07:29 CTLCardinality.txt
-rw-r--r-- 1 mcc users 76K Mar 7 07:29 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K Mar 7 07:29 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K Mar 7 07:29 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 15 10:23 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 10:23 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 10:23 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 15 10:23 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.6K Mar 7 07:29 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 97K Mar 7 07:29 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.7K Mar 7 07:29 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 85K Mar 7 07:29 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 10:23 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 10:23 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 391K Mar 3 18:30 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

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME FunctionPointer-PT-b008-UpperBounds-00
FORMULA_NAME FunctionPointer-PT-b008-UpperBounds-01
FORMULA_NAME FunctionPointer-PT-b008-UpperBounds-02
FORMULA_NAME FunctionPointer-PT-b008-UpperBounds-03
FORMULA_NAME FunctionPointer-PT-b008-UpperBounds-04
FORMULA_NAME FunctionPointer-PT-b008-UpperBounds-05
FORMULA_NAME FunctionPointer-PT-b008-UpperBounds-06
FORMULA_NAME FunctionPointer-PT-b008-UpperBounds-07
FORMULA_NAME FunctionPointer-PT-b008-UpperBounds-08
FORMULA_NAME FunctionPointer-PT-b008-UpperBounds-09
FORMULA_NAME FunctionPointer-PT-b008-UpperBounds-10
FORMULA_NAME FunctionPointer-PT-b008-UpperBounds-11
FORMULA_NAME FunctionPointer-PT-b008-UpperBounds-12
FORMULA_NAME FunctionPointer-PT-b008-UpperBounds-13
FORMULA_NAME FunctionPointer-PT-b008-UpperBounds-14
FORMULA_NAME FunctionPointer-PT-b008-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779699915072

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FunctionPointer-PT-b008
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-25 09:05:16] [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]
[2026-05-25 09:05:16] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 09:05:16] [INFO ] Load time of PNML (sax parser for PT used): 108 ms
[2026-05-25 09:05:16] [INFO ] Transformed 306 places.
[2026-05-25 09:05:16] [INFO ] Transformed 840 transitions.
[2026-05-25 09:05:16] [INFO ] Parsed PT model containing 306 places and 840 transitions and 3392 arcs in 202 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 6 ms.
Deduced a syphon composed of 84 places in 5 ms
Reduce places removed 84 places and 192 transitions.
FORMULA FunctionPointer-PT-b008-UpperBounds-06 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-b008-UpperBounds-12 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-b008-UpperBounds-14 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2026-05-25 09:05:16] [INFO ] Flow matrix only has 414 transitions (discarded 234 similar events)
// Phase 1: matrix 414 rows 222 cols
[2026-05-25 09:05:16] [INFO ] Computed 4 invariants in 21 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:[8, 1, 1, +inf, +inf, 8, +inf, 1, 8, 8, +inf, 1, +inf]
RANDOM walk for 10000 steps (14 resets) in 82 ms. (120 steps per ms)
FORMULA FunctionPointer-PT-b008-UpperBounds-09 8 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FunctionPointer-PT-b008-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FunctionPointer-PT-b008-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FunctionPointer-PT-b008-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FunctionPointer-PT-b008-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 80007 steps (24 resets) in 107 ms. (740 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 10, 2, 7, 4, 3, 4, 2] Max Struct:[8, +inf, +inf, 8, +inf, 8, +inf, +inf]
[2026-05-25 09:05:16] [INFO ] Flow matrix only has 414 transitions (discarded 234 similar events)
[2026-05-25 09:05:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 09:05:17] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2026-05-25 09:05:17] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-25 09:05:17] [INFO ] [Real]Absence check using state equation in 105 ms returned sat
[2026-05-25 09:05:17] [INFO ] State equation strengthened by 65 read => feed constraints.
[2026-05-25 09:05:17] [INFO ] [Real]Added 65 Read/Feed constraints in 12 ms returned sat
[2026-05-25 09:05:17] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 09:05:17] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2026-05-25 09:05:17] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-25 09:05:17] [INFO ] [Nat]Absence check using state equation in 87 ms returned sat
[2026-05-25 09:05:17] [INFO ] [Nat]Added 65 Read/Feed constraints in 16 ms returned sat
[2026-05-25 09:05:17] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 65 ms.
[2026-05-25 09:05:17] [INFO ] Added : 1 causal constraints over 1 iterations in 148 ms. Result :sat
Minimization took 95 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 09:05:17] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2026-05-25 09:05:17] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2026-05-25 09:05:17] [INFO ] [Real]Absence check using state equation in 87 ms returned sat
[2026-05-25 09:05:17] [INFO ] [Real]Added 65 Read/Feed constraints in 9 ms returned sat
[2026-05-25 09:05:17] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 09:05:17] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-25 09:05:17] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2026-05-25 09:05:18] [INFO ] [Nat]Absence check using state equation in 82 ms returned sat
[2026-05-25 09:05:18] [INFO ] [Nat]Added 65 Read/Feed constraints in 10 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:05:18] [INFO ] Deduced a trap composed of 21 places in 138 ms of which 13 ms to minimize.
[2026-05-25 09:05:18] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 182 ms
[2026-05-25 09:05:18] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 51 ms.
[2026-05-25 09:05:18] [INFO ] Added : 2 causal constraints over 1 iterations in 99 ms. Result :sat
Minimization took 80 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 09:05:18] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2026-05-25 09:05:18] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-25 09:05:18] [INFO ] [Real]Absence check using state equation in 89 ms returned sat
[2026-05-25 09:05:18] [INFO ] [Real]Added 65 Read/Feed constraints in 10 ms returned sat
[2026-05-25 09:05:18] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 09:05:18] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2026-05-25 09:05:18] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-25 09:05:18] [INFO ] [Nat]Absence check using state equation in 82 ms returned sat
[2026-05-25 09:05:18] [INFO ] [Nat]Added 65 Read/Feed constraints in 18 ms returned sat
[2026-05-25 09:05:18] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 42 ms.
[2026-05-25 09:05:18] [INFO ] Added : 1 causal constraints over 1 iterations in 89 ms. Result :sat
Minimization took 88 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 09:05:19] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-25 09:05:19] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-25 09:05:19] [INFO ] [Real]Absence check using state equation in 88 ms returned sat
[2026-05-25 09:05:19] [INFO ] [Real]Added 65 Read/Feed constraints in 10 ms returned sat
[2026-05-25 09:05:19] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 09:05:19] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2026-05-25 09:05:19] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2026-05-25 09:05:19] [INFO ] [Nat]Absence check using state equation in 82 ms returned sat
[2026-05-25 09:05:19] [INFO ] [Nat]Added 65 Read/Feed constraints in 10 ms returned sat
[2026-05-25 09:05:19] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 40 ms.
[2026-05-25 09:05:19] [INFO ] Added : 1 causal constraints over 1 iterations in 93 ms. Result :sat
Minimization took 92 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 09:05:19] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2026-05-25 09:05:19] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-25 09:05:19] [INFO ] [Real]Absence check using state equation in 77 ms returned sat
[2026-05-25 09:05:19] [INFO ] [Real]Added 65 Read/Feed constraints in 8 ms returned sat
[2026-05-25 09:05:19] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 09:05:19] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-25 09:05:19] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2026-05-25 09:05:19] [INFO ] [Nat]Absence check using state equation in 103 ms returned sat
[2026-05-25 09:05:19] [INFO ] [Nat]Added 65 Read/Feed constraints in 14 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:05:19] [INFO ] Deduced a trap composed of 21 places in 111 ms of which 5 ms to minimize.
[2026-05-25 09:05:19] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 133 ms
[2026-05-25 09:05:20] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 38 ms.
[2026-05-25 09:05:20] [INFO ] Added : 2 causal constraints over 1 iterations in 89 ms. Result :sat
Minimization took 87 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 09:05:20] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2026-05-25 09:05:20] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-25 09:05:20] [INFO ] [Real]Absence check using state equation in 86 ms returned sat
[2026-05-25 09:05:20] [INFO ] [Real]Added 65 Read/Feed constraints in 8 ms returned sat
[2026-05-25 09:05:20] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 09:05:20] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2026-05-25 09:05:20] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-25 09:05:20] [INFO ] [Nat]Absence check using state equation in 74 ms returned sat
[2026-05-25 09:05:20] [INFO ] [Nat]Added 65 Read/Feed constraints in 9 ms returned sat
[2026-05-25 09:05:20] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 28 ms.
[2026-05-25 09:05:20] [INFO ] Added : 2 causal constraints over 1 iterations in 73 ms. Result :sat
Minimization took 87 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 09:05:20] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-25 09:05:20] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2026-05-25 09:05:20] [INFO ] [Real]Absence check using state equation in 67 ms returned sat
[2026-05-25 09:05:20] [INFO ] [Real]Added 65 Read/Feed constraints in 7 ms returned sat
[2026-05-25 09:05:20] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 09:05:20] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-25 09:05:20] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2026-05-25 09:05:20] [INFO ] [Nat]Absence check using state equation in 67 ms returned sat
[2026-05-25 09:05:20] [INFO ] [Nat]Added 65 Read/Feed constraints in 9 ms returned sat
[2026-05-25 09:05:20] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 28 ms.
[2026-05-25 09:05:20] [INFO ] Added : 2 causal constraints over 1 iterations in 70 ms. Result :sat
Minimization took 80 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 09:05:21] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2026-05-25 09:05:21] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2026-05-25 09:05:21] [INFO ] [Real]Absence check using state equation in 66 ms returned sat
[2026-05-25 09:05:21] [INFO ] [Real]Added 65 Read/Feed constraints in 8 ms returned sat
[2026-05-25 09:05:21] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 09:05:21] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-25 09:05:21] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-25 09:05:21] [INFO ] [Nat]Absence check using state equation in 66 ms returned sat
[2026-05-25 09:05:21] [INFO ] [Nat]Added 65 Read/Feed constraints in 10 ms returned sat
[2026-05-25 09:05:21] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 26 ms.
[2026-05-25 09:05:21] [INFO ] Added : 2 causal constraints over 1 iterations in 69 ms. Result :sat
Minimization took 78 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2, 10, 2, 7, 4, 3, 4, 2] Max Struct:[8, +inf, +inf, 8, +inf, 8, +inf, +inf]
FORMULA FunctionPointer-PT-b008-UpperBounds-05 8 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 10, 2, 4, 3, 4, 2] Max Struct:[8, +inf, +inf, +inf, 8, +inf, +inf]
Support contains 7 out of 222 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 222/222 places, 648/648 transitions.
Graph (complete) has 932 edges and 222 vertex of which 194 are kept as prefixes of interest. Removing 28 places using SCC suffix rule.2 ms
Discarding 28 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 38 transitions
Reduce isomorphic transitions removed 38 transitions.
Iterating post reduction 0 with 38 rules applied. Total rules applied 39 place count 194 transition count 610
Discarding 29 places :
Symmetric choice reduction at 1 with 29 rule applications. Total rules 68 place count 165 transition count 446
Iterating global reduction 1 with 29 rules applied. Total rules applied 97 place count 165 transition count 446
Ensure Unique test removed 30 transitions
Reduce isomorphic transitions removed 30 transitions.
Iterating post reduction 1 with 30 rules applied. Total rules applied 127 place count 165 transition count 416
Discarding 15 places :
Symmetric choice reduction at 2 with 15 rule applications. Total rules 142 place count 150 transition count 386
Iterating global reduction 2 with 15 rules applied. Total rules applied 157 place count 150 transition count 386
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 161 place count 150 transition count 382
Discarding 6 places :
Symmetric choice reduction at 3 with 6 rule applications. Total rules 167 place count 144 transition count 370
Iterating global reduction 3 with 6 rules applied. Total rules applied 173 place count 144 transition count 370
Discarding 6 places :
Symmetric choice reduction at 3 with 6 rule applications. Total rules 179 place count 138 transition count 346
Iterating global reduction 3 with 6 rules applied. Total rules applied 185 place count 138 transition count 346
Discarding 6 places :
Symmetric choice reduction at 3 with 6 rule applications. Total rules 191 place count 132 transition count 334
Iterating global reduction 3 with 6 rules applied. Total rules applied 197 place count 132 transition count 334
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 201 place count 128 transition count 318
Iterating global reduction 3 with 4 rules applied. Total rules applied 205 place count 128 transition count 318
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 209 place count 124 transition count 302
Iterating global reduction 3 with 4 rules applied. Total rules applied 213 place count 124 transition count 302
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 217 place count 120 transition count 294
Iterating global reduction 3 with 4 rules applied. Total rules applied 221 place count 120 transition count 294
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 225 place count 116 transition count 286
Iterating global reduction 3 with 4 rules applied. Total rules applied 229 place count 116 transition count 286
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 233 place count 112 transition count 278
Iterating global reduction 3 with 4 rules applied. Total rules applied 237 place count 112 transition count 278
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 241 place count 108 transition count 270
Iterating global reduction 3 with 4 rules applied. Total rules applied 245 place count 108 transition count 270
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 249 place count 104 transition count 262
Iterating global reduction 3 with 4 rules applied. Total rules applied 253 place count 104 transition count 262
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 261 place count 104 transition count 254
Applied a total of 261 rules in 143 ms. Remains 104 /222 variables (removed 118) and now considering 254/648 (removed 394) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 150 ms. Remains : 104/222 places, 254/648 transitions.
[2026-05-25 09:05:21] [INFO ] Flow matrix only has 165 transitions (discarded 89 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {31=1, 79=1, 115=1, 155=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {34=1, 82=1, 118=1, 154=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 75 ms. (steps per millisecond=133 ) properties (out of 7) seen :[1, 1, 4, 2, 2, 4, 3]
Current structural bounds on expressions (after cover walk) : Max Seen:[2, 10, 4, 4, 3, 4, 3] Max Struct:[8, +inf, +inf, +inf, 8, +inf, +inf]
[2026-05-25 09:05:22] [INFO ] Flow matrix only has 165 transitions (discarded 89 similar events)
// Phase 1: matrix 165 rows 104 cols
[2026-05-25 09:05:22] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2, 10, 4, 4, 3, 4, 3] Max Struct:[8, +inf, +inf, +inf, 8, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1656 ms. (603 steps per ms)
FORMULA FunctionPointer-PT-b008-UpperBounds-00 8 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 6000006 steps (12 resets) in 3907 ms. (1535 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10, 78, 5, 3, 261, 217] Max Struct:[+inf, +inf, +inf, 8, +inf, +inf]
[2026-05-25 09:05:27] [INFO ] Flow matrix only has 165 transitions (discarded 89 similar events)
[2026-05-25 09:05:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:05:27] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-25 09:05:27] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2026-05-25 09:05:27] [INFO ] State equation strengthened by 30 read => feed constraints.
[2026-05-25 09:05:27] [INFO ] [Real]Added 30 Read/Feed constraints in 14 ms returned sat
[2026-05-25 09:05:27] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:05:27] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-25 09:05:27] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2026-05-25 09:05:27] [INFO ] [Nat]Added 30 Read/Feed constraints in 6 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:05:27] [INFO ] Deduced a trap composed of 16 places in 66 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:05:28] [INFO ] Deduced a trap composed of 16 places in 59 ms of which 6 ms to minimize.
[2026-05-25 09:05:28] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 144 ms
[2026-05-25 09:05:28] [INFO ] Computed and/alt/rep : 69/376/65 causal constraints (skipped 98 transitions) in 7 ms.
[2026-05-25 09:05:28] [INFO ] Added : 11 causal constraints over 4 iterations in 60 ms. Result :sat
Minimization took 33 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:05:28] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-25 09:05:28] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2026-05-25 09:05:28] [INFO ] [Real]Added 30 Read/Feed constraints in 6 ms returned sat
[2026-05-25 09:05:28] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:05:28] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-25 09:05:28] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2026-05-25 09:05:28] [INFO ] [Nat]Added 30 Read/Feed constraints in 6 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:05:28] [INFO ] Deduced a trap composed of 16 places in 73 ms of which 4 ms to minimize.
[2026-05-25 09:05:28] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 84 ms
[2026-05-25 09:05:28] [INFO ] Computed and/alt/rep : 69/376/65 causal constraints (skipped 98 transitions) in 8 ms.
[2026-05-25 09:05:28] [INFO ] Added : 16 causal constraints over 4 iterations in 55 ms. Result :sat
Minimization took 32 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:05:28] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-25 09:05:28] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2026-05-25 09:05:28] [INFO ] [Real]Added 30 Read/Feed constraints in 5 ms returned sat
[2026-05-25 09:05:28] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:05:28] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-25 09:05:28] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2026-05-25 09:05:28] [INFO ] [Nat]Added 30 Read/Feed constraints in 7 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:05:28] [INFO ] Deduced a trap composed of 16 places in 64 ms of which 6 ms to minimize.
[2026-05-25 09:05:28] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 82 ms
[2026-05-25 09:05:28] [INFO ] Computed and/alt/rep : 69/376/65 causal constraints (skipped 98 transitions) in 11 ms.
[2026-05-25 09:05:28] [INFO ] Added : 7 causal constraints over 2 iterations in 36 ms. Result :sat
Minimization took 32 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:05:28] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-25 09:05:28] [INFO ] [Real]Absence check using state equation in 38 ms returned sat
[2026-05-25 09:05:28] [INFO ] [Real]Added 30 Read/Feed constraints in 5 ms returned sat
[2026-05-25 09:05:28] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:05:28] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-25 09:05:28] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2026-05-25 09:05:28] [INFO ] [Nat]Added 30 Read/Feed constraints in 5 ms returned sat
[2026-05-25 09:05:29] [INFO ] Computed and/alt/rep : 69/376/65 causal constraints (skipped 98 transitions) in 9 ms.
[2026-05-25 09:05:29] [INFO ] Added : 11 causal constraints over 4 iterations in 52 ms. Result :sat
Minimization took 47 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:05:29] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-25 09:05:29] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2026-05-25 09:05:29] [INFO ] [Real]Added 30 Read/Feed constraints in 4 ms returned sat
[2026-05-25 09:05:29] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:05:29] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-25 09:05:29] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2026-05-25 09:05:29] [INFO ] [Nat]Added 30 Read/Feed constraints in 4 ms returned sat
[2026-05-25 09:05:29] [INFO ] Computed and/alt/rep : 69/376/65 causal constraints (skipped 98 transitions) in 14 ms.
[2026-05-25 09:05:29] [INFO ] Added : 31 causal constraints over 9 iterations in 117 ms. Result :sat
Minimization took 35 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:05:29] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-25 09:05:29] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2026-05-25 09:05:29] [INFO ] [Real]Added 30 Read/Feed constraints in 3 ms returned sat
[2026-05-25 09:05:29] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:05:29] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-25 09:05:29] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2026-05-25 09:05:29] [INFO ] [Nat]Added 30 Read/Feed constraints in 12 ms returned sat
[2026-05-25 09:05:29] [INFO ] Computed and/alt/rep : 69/376/65 causal constraints (skipped 98 transitions) in 9 ms.
[2026-05-25 09:05:29] [INFO ] Added : 34 causal constraints over 9 iterations in 108 ms. Result :sat
Minimization took 37 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[10, 78, 5, 3, 261, 217] Max Struct:[+inf, +inf, +inf, 8, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10, 78, 12, 5, 261, 217] Max Struct:[+inf, +inf, +inf, 8, +inf, +inf]
Support contains 6 out of 104 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 104/104 places, 254/254 transitions.
Applied a total of 0 rules in 16 ms. Remains 104 /104 variables (removed 0) and now considering 254/254 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 16 ms. Remains : 104/104 places, 254/254 transitions.
[2026-05-25 09:05:31] [INFO ] Flow matrix only has 165 transitions (discarded 89 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {31=1, 79=1, 115=1, 155=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {34=1, 82=1, 118=1, 154=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 150 ms. (steps per millisecond=66 ) properties (out of 6) seen :[3, 4, 5, 3, 2147483647, 3]
Current structural bounds on expressions (after cover walk) : Max Seen:[10, 78, 12, 5, +inf, 217] Max Struct:[+inf, +inf, +inf, 8, +inf, +inf]
[2026-05-25 09:05:31] [INFO ] Flow matrix only has 165 transitions (discarded 89 similar events)
[2026-05-25 09:05:31] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[10, 78, 12, 5, +inf, 217] Max Struct:[+inf, +inf, +inf, 8, +inf, +inf]
RANDOM walk for 1000003 steps (2 resets) in 1212 ms. (824 steps per ms)
FORMULA FunctionPointer-PT-b008-UpperBounds-11 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FunctionPointer-PT-b008-UpperBounds-10 8 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 4000004 steps (8 resets) in 2542 ms. (1572 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10, 114, 12, 428] Max Struct:[+inf, +inf, +inf, +inf]
[2026-05-25 09:05:35] [INFO ] Flow matrix only has 165 transitions (discarded 89 similar events)
[2026-05-25 09:05:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:05:35] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-25 09:05:35] [INFO ] [Real]Absence check using state equation in 35 ms returned sat
[2026-05-25 09:05:35] [INFO ] State equation strengthened by 30 read => feed constraints.
[2026-05-25 09:05:35] [INFO ] [Real]Added 30 Read/Feed constraints in 10 ms returned sat
[2026-05-25 09:05:35] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:05:35] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-25 09:05:35] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2026-05-25 09:05:35] [INFO ] [Nat]Added 30 Read/Feed constraints in 6 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:05:35] [INFO ] Deduced a trap composed of 16 places in 80 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:05:35] [INFO ] Deduced a trap composed of 16 places in 67 ms of which 6 ms to minimize.
[2026-05-25 09:05:35] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 167 ms
[2026-05-25 09:05:35] [INFO ] Computed and/alt/rep : 69/376/65 causal constraints (skipped 98 transitions) in 8 ms.
[2026-05-25 09:05:36] [INFO ] Added : 11 causal constraints over 4 iterations in 47 ms. Result :sat
Minimization took 33 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:05:36] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-25 09:05:36] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2026-05-25 09:05:36] [INFO ] [Real]Added 30 Read/Feed constraints in 6 ms returned sat
[2026-05-25 09:05:36] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:05:36] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-25 09:05:36] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2026-05-25 09:05:36] [INFO ] [Nat]Added 30 Read/Feed constraints in 6 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:05:36] [INFO ] Deduced a trap composed of 16 places in 69 ms of which 4 ms to minimize.
[2026-05-25 09:05:36] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 85 ms
[2026-05-25 09:05:36] [INFO ] Computed and/alt/rep : 69/376/65 causal constraints (skipped 98 transitions) in 10 ms.
[2026-05-25 09:05:36] [INFO ] Added : 16 causal constraints over 4 iterations in 54 ms. Result :sat
Minimization took 32 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:05:36] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-25 09:05:36] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2026-05-25 09:05:36] [INFO ] [Real]Added 30 Read/Feed constraints in 5 ms returned sat
[2026-05-25 09:05:36] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:05:36] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-25 09:05:36] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2026-05-25 09:05:36] [INFO ] [Nat]Added 30 Read/Feed constraints in 7 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:05:36] [INFO ] Deduced a trap composed of 16 places in 61 ms of which 6 ms to minimize.
[2026-05-25 09:05:36] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 70 ms
[2026-05-25 09:05:36] [INFO ] Computed and/alt/rep : 69/376/65 causal constraints (skipped 98 transitions) in 7 ms.
[2026-05-25 09:05:36] [INFO ] Added : 14 causal constraints over 6 iterations in 66 ms. Result :sat
Minimization took 32 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:05:36] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-25 09:05:36] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2026-05-25 09:05:36] [INFO ] [Real]Added 30 Read/Feed constraints in 4 ms returned sat
[2026-05-25 09:05:36] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:05:36] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-25 09:05:36] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2026-05-25 09:05:36] [INFO ] [Nat]Added 30 Read/Feed constraints in 4 ms returned sat
[2026-05-25 09:05:36] [INFO ] Computed and/alt/rep : 69/376/65 causal constraints (skipped 98 transitions) in 8 ms.
[2026-05-25 09:05:36] [INFO ] Added : 34 causal constraints over 9 iterations in 105 ms. Result :sat
Minimization took 35 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[10, 114, 12, 428] Max Struct:[+inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10, 114, 12, 428] Max Struct:[+inf, +inf, +inf, +inf]
Support contains 4 out of 104 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 104/104 places, 254/254 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 103 transition count 252
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 103 transition count 252
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 102 transition count 248
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 102 transition count 248
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 101 transition count 246
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 101 transition count 246
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 100 transition count 244
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 100 transition count 244
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 99 transition count 242
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 99 transition count 242
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 11 place count 98 transition count 240
Iterating global reduction 0 with 1 rules applied. Total rules applied 12 place count 98 transition count 240
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 97 transition count 238
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 97 transition count 238
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 15 place count 96 transition count 236
Iterating global reduction 0 with 1 rules applied. Total rules applied 16 place count 96 transition count 236
Applied a total of 16 rules in 27 ms. Remains 96 /104 variables (removed 8) and now considering 236/254 (removed 18) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 27 ms. Remains : 96/104 places, 236/254 transitions.
[2026-05-25 09:05:38] [INFO ] Flow matrix only has 152 transitions (discarded 84 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {34=1, 75=1, 110=1, 142=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {32=1, 73=1, 124=1, 146=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 34 ms. (steps per millisecond=294 ) properties (out of 4) seen :[3, 3, 4, 5]
Current structural bounds on expressions (after cover walk) : Max Seen:[10, 114, 12, 428] Max Struct:[+inf, +inf, +inf, +inf]
[2026-05-25 09:05:38] [INFO ] Flow matrix only has 152 transitions (discarded 84 similar events)
// Phase 1: matrix 152 rows 96 cols
[2026-05-25 09:05:38] [INFO ] Computed 3 invariants in 11 ms
Current structural bounds on expressions (after invariants) : Max Seen:[10, 114, 12, 428] Max Struct:[+inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1320 ms. (757 steps per ms)
BEST_FIRST walk for 4000004 steps (8 resets) in 2519 ms. (1587 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10, 151, 12, 428] Max Struct:[+inf, +inf, +inf, +inf]
[2026-05-25 09:05:42] [INFO ] Flow matrix only has 152 transitions (discarded 84 similar events)
[2026-05-25 09:05:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:05:42] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-25 09:05:42] [INFO ] [Real]Absence check using state equation in 40 ms returned sat
[2026-05-25 09:05:42] [INFO ] State equation strengthened by 27 read => feed constraints.
[2026-05-25 09:05:42] [INFO ] [Real]Added 27 Read/Feed constraints in 4 ms returned sat
[2026-05-25 09:05:42] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:05:42] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-25 09:05:42] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2026-05-25 09:05:42] [INFO ] [Nat]Added 27 Read/Feed constraints in 4 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:05:42] [INFO ] Deduced a trap composed of 15 places in 67 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:05:43] [INFO ] Deduced a trap composed of 15 places in 60 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:05:43] [INFO ] Deduced a trap composed of 15 places in 62 ms of which 5 ms to minimize.
[2026-05-25 09:05:43] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 218 ms
[2026-05-25 09:05:43] [INFO ] Computed and/alt/rep : 66/321/61 causal constraints (skipped 89 transitions) in 7 ms.
[2026-05-25 09:05:43] [INFO ] Added : 8 causal constraints over 4 iterations in 61 ms. Result :sat
Minimization took 27 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:05:43] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-25 09:05:43] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2026-05-25 09:05:43] [INFO ] [Real]Added 27 Read/Feed constraints in 4 ms returned sat
[2026-05-25 09:05:43] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:05:43] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-25 09:05:43] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2026-05-25 09:05:43] [INFO ] [Nat]Added 27 Read/Feed constraints in 4 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:05:43] [INFO ] Deduced a trap composed of 15 places in 69 ms of which 3 ms to minimize.
[2026-05-25 09:05:43] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 80 ms
[2026-05-25 09:05:43] [INFO ] Computed and/alt/rep : 66/321/61 causal constraints (skipped 89 transitions) in 6 ms.
[2026-05-25 09:05:43] [INFO ] Added : 25 causal constraints over 6 iterations in 84 ms. Result :sat
Minimization took 37 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:05:43] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-25 09:05:43] [INFO ] [Real]Absence check using state equation in 38 ms returned sat
[2026-05-25 09:05:43] [INFO ] [Real]Added 27 Read/Feed constraints in 6 ms returned sat
[2026-05-25 09:05:43] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:05:43] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-25 09:05:43] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2026-05-25 09:05:43] [INFO ] [Nat]Added 27 Read/Feed constraints in 4 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:05:43] [INFO ] Deduced a trap composed of 15 places in 79 ms of which 6 ms to minimize.
[2026-05-25 09:05:43] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 88 ms
[2026-05-25 09:05:43] [INFO ] Computed and/alt/rep : 66/321/61 causal constraints (skipped 89 transitions) in 7 ms.
[2026-05-25 09:05:43] [INFO ] Added : 10 causal constraints over 4 iterations in 45 ms. Result :sat
Minimization took 26 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:05:43] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-25 09:05:43] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2026-05-25 09:05:43] [INFO ] [Real]Added 27 Read/Feed constraints in 5 ms returned sat
[2026-05-25 09:05:43] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:05:44] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-25 09:05:44] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2026-05-25 09:05:44] [INFO ] [Nat]Added 27 Read/Feed constraints in 5 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:05:44] [INFO ] Deduced a trap composed of 15 places in 67 ms of which 4 ms to minimize.
[2026-05-25 09:05:44] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 81 ms
[2026-05-25 09:05:44] [INFO ] Computed and/alt/rep : 66/321/61 causal constraints (skipped 89 transitions) in 10 ms.
[2026-05-25 09:05:44] [INFO ] Added : 15 causal constraints over 4 iterations in 55 ms. Result :sat
Minimization took 25 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[10, 151, 12, 428] Max Struct:[+inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10, 151, 12, 428] Max Struct:[+inf, +inf, +inf, +inf]
Support contains 4 out of 96 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 96/96 places, 236/236 transitions.
Applied a total of 0 rules in 11 ms. Remains 96 /96 variables (removed 0) and now considering 236/236 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 96/96 places, 236/236 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 96/96 places, 236/236 transitions.
Applied a total of 0 rules in 6 ms. Remains 96 /96 variables (removed 0) and now considering 236/236 (removed 0) transitions.
[2026-05-25 09:05:45] [INFO ] Flow matrix only has 152 transitions (discarded 84 similar events)
[2026-05-25 09:05:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 09:05:45] [INFO ] Implicit Places using invariants in 94 ms returned []
[2026-05-25 09:05:45] [INFO ] Flow matrix only has 152 transitions (discarded 84 similar events)
[2026-05-25 09:05:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 09:05:45] [INFO ] State equation strengthened by 27 read => feed constraints.
[2026-05-25 09:05:45] [INFO ] Implicit Places using invariants and state equation in 188 ms returned []
Implicit Place search using SMT with State Equation took 284 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 09:05:45] [INFO ] Redundant transitions in 8 ms returned []
Running 234 sub problems to find dead transitions.
[2026-05-25 09:05:45] [INFO ] Flow matrix only has 152 transitions (discarded 84 similar events)
[2026-05-25 09:05:45] [INFO ] Invariant cache hit.
[2026-05-25 09:05:45] [INFO ] State equation strengthened by 27 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/96 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/96 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (OVERLAPS) 152/248 variables, 96/99 constraints. Problems are: Problem set: 0 solved, 234 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/248 variables, 27/126 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/248 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (OVERLAPS) 0/248 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 234 unsolved
No progress, stopping.
After SMT solving in domain Real declared 248/248 variables, and 126 constraints, problems are : Problem set: 0 solved, 234 unsolved in 4018 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 96/96 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 234 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/96 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/96 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (OVERLAPS) 152/248 variables, 96/99 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/248 variables, 27/126 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/248 variables, 234/360 constraints. Problems are: Problem set: 0 solved, 234 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:05:55] [INFO ] Deduced a trap along path composed of 3 places in 29 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/248 variables, 1/361 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/248 variables, 0/361 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 7 (OVERLAPS) 0/248 variables, 0/361 constraints. Problems are: Problem set: 0 solved, 234 unsolved
No progress, stopping.
After SMT solving in domain Int declared 248/248 variables, and 361 constraints, problems are : Problem set: 0 solved, 234 unsolved in 23217 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 96/96 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 27394ms problems are : Problem set: 0 solved, 234 unsolved
Search for dead transitions found 0 dead transitions in 27403ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 27723 ms. Remains : 96/96 places, 236/236 transitions.
[2026-05-25 09:06:13] [INFO ] Flow matrix only has 152 transitions (discarded 84 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {34=1, 75=1, 110=1, 142=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {32=1, 73=1, 124=1, 146=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 35 ms. (steps per millisecond=285 ) properties (out of 4) seen :[7, 3, 2, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[10, 151, 12, 428] Max Struct:[+inf, +inf, +inf, +inf]
[2026-05-25 09:06:13] [INFO ] Flow matrix only has 152 transitions (discarded 84 similar events)
[2026-05-25 09:06:13] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[10, 151, 12, 428] Max Struct:[+inf, +inf, +inf, +inf]
RANDOM walk for 1000001 steps (2 resets) in 1449 ms. (689 steps per ms)
BEST_FIRST walk for 4000004 steps (8 resets) in 2559 ms. (1562 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10, 151, 12, 511] Max Struct:[+inf, +inf, +inf, +inf]
[2026-05-25 09:06:17] [INFO ] Flow matrix only has 152 transitions (discarded 84 similar events)
[2026-05-25 09:06:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:06:17] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-25 09:06:17] [INFO ] [Real]Absence check using state equation in 45 ms returned sat
[2026-05-25 09:06:17] [INFO ] State equation strengthened by 27 read => feed constraints.
[2026-05-25 09:06:17] [INFO ] [Real]Added 27 Read/Feed constraints in 6 ms returned sat
[2026-05-25 09:06:17] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:06:17] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-25 09:06:17] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2026-05-25 09:06:17] [INFO ] [Nat]Added 27 Read/Feed constraints in 5 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:06:17] [INFO ] Deduced a trap composed of 15 places in 82 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:06:17] [INFO ] Deduced a trap composed of 15 places in 65 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:06:17] [INFO ] Deduced a trap composed of 15 places in 65 ms of which 5 ms to minimize.
[2026-05-25 09:06:17] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 251 ms
[2026-05-25 09:06:17] [INFO ] Computed and/alt/rep : 66/321/61 causal constraints (skipped 89 transitions) in 8 ms.
[2026-05-25 09:06:17] [INFO ] Added : 8 causal constraints over 4 iterations in 46 ms. Result :sat
Minimization took 27 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:06:18] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-25 09:06:18] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2026-05-25 09:06:18] [INFO ] [Real]Added 27 Read/Feed constraints in 4 ms returned sat
[2026-05-25 09:06:18] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:06:18] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-25 09:06:18] [INFO ] [Nat]Absence check using state equation in 60 ms returned sat
[2026-05-25 09:06:18] [INFO ] [Nat]Added 27 Read/Feed constraints in 31 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:06:18] [INFO ] Deduced a trap composed of 15 places in 58 ms of which 3 ms to minimize.
[2026-05-25 09:06:18] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 72 ms
[2026-05-25 09:06:18] [INFO ] Computed and/alt/rep : 66/321/61 causal constraints (skipped 89 transitions) in 7 ms.
[2026-05-25 09:06:18] [INFO ] Added : 25 causal constraints over 6 iterations in 65 ms. Result :sat
Minimization took 29 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:06:18] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-25 09:06:18] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2026-05-25 09:06:18] [INFO ] [Real]Added 27 Read/Feed constraints in 5 ms returned sat
[2026-05-25 09:06:18] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:06:18] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-25 09:06:18] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2026-05-25 09:06:18] [INFO ] [Nat]Added 27 Read/Feed constraints in 4 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:06:18] [INFO ] Deduced a trap composed of 15 places in 68 ms of which 6 ms to minimize.
[2026-05-25 09:06:18] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 79 ms
[2026-05-25 09:06:18] [INFO ] Computed and/alt/rep : 66/321/61 causal constraints (skipped 89 transitions) in 7 ms.
[2026-05-25 09:06:18] [INFO ] Added : 10 causal constraints over 4 iterations in 45 ms. Result :sat
Minimization took 25 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:06:18] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-25 09:06:18] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2026-05-25 09:06:18] [INFO ] [Real]Added 27 Read/Feed constraints in 4 ms returned sat
[2026-05-25 09:06:18] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:06:18] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-25 09:06:18] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2026-05-25 09:06:18] [INFO ] [Nat]Added 27 Read/Feed constraints in 4 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:06:18] [INFO ] Deduced a trap composed of 15 places in 78 ms of which 4 ms to minimize.
[2026-05-25 09:06:18] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 95 ms
[2026-05-25 09:06:18] [INFO ] Computed and/alt/rep : 66/321/61 causal constraints (skipped 89 transitions) in 6 ms.
[2026-05-25 09:06:18] [INFO ] Added : 15 causal constraints over 4 iterations in 52 ms. Result :sat
Minimization took 26 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[10, 151, 12, 511] Max Struct:[+inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10, 151, 12, 511] Max Struct:[+inf, +inf, +inf, +inf]
Support contains 4 out of 96 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 96/96 places, 236/236 transitions.
Applied a total of 0 rules in 7 ms. Remains 96 /96 variables (removed 0) and now considering 236/236 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 96/96 places, 236/236 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 96/96 places, 236/236 transitions.
Applied a total of 0 rules in 5 ms. Remains 96 /96 variables (removed 0) and now considering 236/236 (removed 0) transitions.
[2026-05-25 09:06:20] [INFO ] Flow matrix only has 152 transitions (discarded 84 similar events)
[2026-05-25 09:06:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 09:06:21] [INFO ] Implicit Places using invariants in 68 ms returned []
[2026-05-25 09:06:21] [INFO ] Flow matrix only has 152 transitions (discarded 84 similar events)
[2026-05-25 09:06:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 09:06:21] [INFO ] State equation strengthened by 27 read => feed constraints.
[2026-05-25 09:06:21] [INFO ] Implicit Places using invariants and state equation in 195 ms returned []
Implicit Place search using SMT with State Equation took 292 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 09:06:21] [INFO ] Redundant transitions in 8 ms returned []
Running 234 sub problems to find dead transitions.
[2026-05-25 09:06:21] [INFO ] Flow matrix only has 152 transitions (discarded 84 similar events)
[2026-05-25 09:06:21] [INFO ] Invariant cache hit.
[2026-05-25 09:06:21] [INFO ] State equation strengthened by 27 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/96 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/96 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (OVERLAPS) 152/248 variables, 96/99 constraints. Problems are: Problem set: 0 solved, 234 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/248 variables, 27/126 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/248 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (OVERLAPS) 0/248 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 234 unsolved
No progress, stopping.
After SMT solving in domain Real declared 248/248 variables, and 126 constraints, problems are : Problem set: 0 solved, 234 unsolved in 3941 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 96/96 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 234 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/96 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/96 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (OVERLAPS) 152/248 variables, 96/99 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/248 variables, 27/126 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/248 variables, 234/360 constraints. Problems are: Problem set: 0 solved, 234 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:06:31] [INFO ] Deduced a trap along path composed of 3 places in 29 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/248 variables, 1/361 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/248 variables, 0/361 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 7 (OVERLAPS) 0/248 variables, 0/361 constraints. Problems are: Problem set: 0 solved, 234 unsolved
No progress, stopping.
After SMT solving in domain Int declared 248/248 variables, and 361 constraints, problems are : Problem set: 0 solved, 234 unsolved in 23693 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 96/96 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 27766ms problems are : Problem set: 0 solved, 234 unsolved
Search for dead transitions found 0 dead transitions in 27769ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28081 ms. Remains : 96/96 places, 236/236 transitions.
[2026-05-25 09:06:49] [INFO ] Flow matrix only has 152 transitions (discarded 84 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {34=1, 75=1, 110=1, 142=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {32=1, 73=1, 124=1, 146=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 61 ms. (steps per millisecond=163 ) properties (out of 4) seen :[5, 2, 4, 3]
Current structural bounds on expressions (after cover walk) : Max Seen:[10, 151, 12, 511] Max Struct:[+inf, +inf, +inf, +inf]
[2026-05-25 09:06:49] [INFO ] Flow matrix only has 152 transitions (discarded 84 similar events)
[2026-05-25 09:06:49] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[10, 151, 12, 511] Max Struct:[+inf, +inf, +inf, +inf]
RANDOM walk for 1000003 steps (2 resets) in 1136 ms. (879 steps per ms)
BEST_FIRST walk for 4000003 steps (8 resets) in 2525 ms. (1583 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10, 151, 12, 511] Max Struct:[+inf, +inf, +inf, +inf]
[2026-05-25 09:06:52] [INFO ] Flow matrix only has 152 transitions (discarded 84 similar events)
[2026-05-25 09:06:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:06:52] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-25 09:06:52] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2026-05-25 09:06:52] [INFO ] State equation strengthened by 27 read => feed constraints.
[2026-05-25 09:06:52] [INFO ] [Real]Added 27 Read/Feed constraints in 4 ms returned sat
[2026-05-25 09:06:52] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:06:52] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-25 09:06:52] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2026-05-25 09:06:53] [INFO ] [Nat]Added 27 Read/Feed constraints in 5 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:06:53] [INFO ] Deduced a trap composed of 15 places in 72 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:06:53] [INFO ] Deduced a trap composed of 15 places in 64 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:06:53] [INFO ] Deduced a trap composed of 15 places in 73 ms of which 6 ms to minimize.
[2026-05-25 09:06:53] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 240 ms
[2026-05-25 09:06:53] [INFO ] Computed and/alt/rep : 66/321/61 causal constraints (skipped 89 transitions) in 8 ms.
[2026-05-25 09:06:53] [INFO ] Added : 8 causal constraints over 4 iterations in 45 ms. Result :sat
Minimization took 27 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:06:53] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-25 09:06:53] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2026-05-25 09:06:53] [INFO ] [Real]Added 27 Read/Feed constraints in 4 ms returned sat
[2026-05-25 09:06:53] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:06:53] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-25 09:06:53] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2026-05-25 09:06:53] [INFO ] [Nat]Added 27 Read/Feed constraints in 4 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:06:53] [INFO ] Deduced a trap composed of 15 places in 67 ms of which 3 ms to minimize.
[2026-05-25 09:06:53] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 76 ms
[2026-05-25 09:06:53] [INFO ] Computed and/alt/rep : 66/321/61 causal constraints (skipped 89 transitions) in 7 ms.
[2026-05-25 09:06:53] [INFO ] Added : 25 causal constraints over 6 iterations in 66 ms. Result :sat
Minimization took 30 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:06:53] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-25 09:06:53] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2026-05-25 09:06:53] [INFO ] [Real]Added 27 Read/Feed constraints in 5 ms returned sat
[2026-05-25 09:06:53] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:06:53] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-25 09:06:53] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2026-05-25 09:06:53] [INFO ] [Nat]Added 27 Read/Feed constraints in 6 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:06:53] [INFO ] Deduced a trap composed of 15 places in 69 ms of which 6 ms to minimize.
[2026-05-25 09:06:53] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 86 ms
[2026-05-25 09:06:53] [INFO ] Computed and/alt/rep : 66/321/61 causal constraints (skipped 89 transitions) in 11 ms.
[2026-05-25 09:06:53] [INFO ] Added : 10 causal constraints over 4 iterations in 50 ms. Result :sat
Minimization took 26 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:06:53] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-25 09:06:54] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2026-05-25 09:06:54] [INFO ] [Real]Added 27 Read/Feed constraints in 4 ms returned sat
[2026-05-25 09:06:54] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:06:54] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-25 09:06:54] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2026-05-25 09:06:54] [INFO ] [Nat]Added 27 Read/Feed constraints in 4 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:06:54] [INFO ] Deduced a trap composed of 15 places in 65 ms of which 4 ms to minimize.
[2026-05-25 09:06:54] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 82 ms
[2026-05-25 09:06:54] [INFO ] Computed and/alt/rep : 66/321/61 causal constraints (skipped 89 transitions) in 9 ms.
[2026-05-25 09:06:54] [INFO ] Added : 15 causal constraints over 4 iterations in 55 ms. Result :sat
Minimization took 27 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[10, 151, 12, 511] Max Struct:[+inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10, 151, 12, 511] Max Struct:[+inf, +inf, +inf, +inf]
Support contains 4 out of 96 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 96/96 places, 236/236 transitions.
Applied a total of 0 rules in 9 ms. Remains 96 /96 variables (removed 0) and now considering 236/236 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 96/96 places, 236/236 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 96/96 places, 236/236 transitions.
Applied a total of 0 rules in 16 ms. Remains 96 /96 variables (removed 0) and now considering 236/236 (removed 0) transitions.
[2026-05-25 09:06:56] [INFO ] Flow matrix only has 152 transitions (discarded 84 similar events)
[2026-05-25 09:06:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 09:06:56] [INFO ] Implicit Places using invariants in 77 ms returned []
[2026-05-25 09:06:56] [INFO ] Flow matrix only has 152 transitions (discarded 84 similar events)
[2026-05-25 09:06:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 09:06:56] [INFO ] State equation strengthened by 27 read => feed constraints.
[2026-05-25 09:06:56] [INFO ] Implicit Places using invariants and state equation in 197 ms returned []
Implicit Place search using SMT with State Equation took 275 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 09:06:56] [INFO ] Redundant transitions in 5 ms returned []
Running 234 sub problems to find dead transitions.
[2026-05-25 09:06:56] [INFO ] Flow matrix only has 152 transitions (discarded 84 similar events)
[2026-05-25 09:06:56] [INFO ] Invariant cache hit.
[2026-05-25 09:06:56] [INFO ] State equation strengthened by 27 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/96 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/96 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (OVERLAPS) 152/248 variables, 96/99 constraints. Problems are: Problem set: 0 solved, 234 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/248 variables, 27/126 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/248 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (OVERLAPS) 0/248 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 234 unsolved
No progress, stopping.
After SMT solving in domain Real declared 248/248 variables, and 126 constraints, problems are : Problem set: 0 solved, 234 unsolved in 3915 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 96/96 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 234 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/96 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/96 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (OVERLAPS) 152/248 variables, 96/99 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/248 variables, 27/126 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/248 variables, 234/360 constraints. Problems are: Problem set: 0 solved, 234 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:07:06] [INFO ] Deduced a trap along path composed of 3 places in 26 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/248 variables, 1/361 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/248 variables, 0/361 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 7 (OVERLAPS) 0/248 variables, 0/361 constraints. Problems are: Problem set: 0 solved, 234 unsolved
No progress, stopping.
After SMT solving in domain Int declared 248/248 variables, and 361 constraints, problems are : Problem set: 0 solved, 234 unsolved in 23484 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 96/96 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 27474ms problems are : Problem set: 0 solved, 234 unsolved
Search for dead transitions found 0 dead transitions in 27475ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 27781 ms. Remains : 96/96 places, 236/236 transitions.
[2026-05-25 09:07:23] [INFO ] Flow matrix only has 152 transitions (discarded 84 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {34=1, 75=1, 110=1, 142=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {32=1, 73=1, 124=1, 146=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 102 ms. (steps per millisecond=98 ) properties (out of 4) seen :[4, 3, 2, 3]
Current structural bounds on expressions (after cover walk) : Max Seen:[10, 151, 12, 511] Max Struct:[+inf, +inf, +inf, +inf]
RANDOM walk for 40001 steps (8 resets) in 677 ms. (58 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 137 ms. (289 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 165 ms. (240 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 119 ms. (333 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 126 ms. (314 steps per ms) remains 4/4 properties
[2026-05-25 09:07:24] [INFO ] Flatten gal took : 89 ms
[2026-05-25 09:07:24] [INFO ] Flatten gal took : 45 ms
[2026-05-25 09:07:24] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13859580467908110531.gal : 19 ms
[2026-05-25 09:07:24] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13337472685559677000.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality13859580467908110531.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13337472685559677000.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality13337472685559677000.prop.
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :1 after 31
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :31 after 1053
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :1053 after 167598
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :167598 after 1.35174e+08
Interrupted probabilistic random walk after 340075 steps, run timeout after 3001 ms. (steps per millisecond=113 ) properties seen :0 out of 4
Probabilistic random walk after 340075 steps, saw 220090 distinct states, run finished after 3005 ms. (steps per millisecond=113 ) properties seen :0
[2026-05-25 09:07:27] [INFO ] Flow matrix only has 152 transitions (discarded 84 similar events)
[2026-05-25 09:07:27] [INFO ] Invariant cache hit.
[2026-05-25 09:07:27] [INFO ] State equation strengthened by 27 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
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) 14/18 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/18 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 95/113 variables, 15/19 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/113 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/113 variables, 3/23 constraints. Problems are: Problem set: 0 solved, 4 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/113 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 7/120 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/120 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/120 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (OVERLAPS) 110/230 variables, 64/89 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/230 variables, 24/113 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/230 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (OVERLAPS) 6/236 variables, 1/114 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/236 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 15 (OVERLAPS) 11/247 variables, 11/125 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/247 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 17 (OVERLAPS) 1/248 variables, 1/126 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/248 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 19 (OVERLAPS) 0/248 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 248/248 variables, and 126 constraints, problems are : Problem set: 0 solved, 4 unsolved in 201 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 96/96 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
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) 14/18 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/18 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 95/113 variables, 15/19 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/113 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/113 variables, 3/23 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/113 variables, 3/26 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/113 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 7/120 variables, 1/27 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/120 variables, 1/28 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/120 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (OVERLAPS) 110/230 variables, 64/92 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/230 variables, 24/116 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/230 variables, 1/117 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:07:27] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 1 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/230 variables, 1/118 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/230 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (OVERLAPS) 6/236 variables, 1/119 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/236 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 18 (OVERLAPS) 11/247 variables, 11/130 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/247 variables, 0/130 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 20 (OVERLAPS) 1/248 variables, 1/131 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/248 variables, 0/131 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 22 (OVERLAPS) 0/248 variables, 0/131 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 248/248 variables, and 131 constraints, problems are : Problem set: 0 solved, 4 unsolved in 380 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 96/96 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 586ms problems are : Problem set: 0 solved, 4 unsolved
Fused 4 Parikh solutions to 2 different solutions.
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :1.35174e+08 after 3.56593e+09
SDD proceeding with computation,4 properties remain. new max is 128
SDD size :3.56593e+09 after 6.93145e+09
SDD proceeding with computation,4 properties remain. new max is 256
SDD size :6.93145e+09 after 1.5143e+10
SDD proceeding with computation,4 properties remain. new max is 512
SDD size :1.5143e+10 after 2.79499e+10
Invariant property MIN0 does not hold.
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :2.79499e+10 after 5.47253e+10
Parikh walk visited 1 properties in 13837 ms.
Support contains 2 out of 96 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 96/96 places, 236/236 transitions.
Graph (complete) has 408 edges and 96 vertex of which 93 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 93 transition count 231
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 7 place count 92 transition count 227
Iterating global reduction 1 with 1 rules applied. Total rules applied 8 place count 92 transition count 227
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 9 place count 91 transition count 225
Iterating global reduction 1 with 1 rules applied. Total rules applied 10 place count 91 transition count 225
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 11 place count 90 transition count 223
Iterating global reduction 1 with 1 rules applied. Total rules applied 12 place count 90 transition count 223
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 13 place count 89 transition count 221
Iterating global reduction 1 with 1 rules applied. Total rules applied 14 place count 89 transition count 221
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 15 place count 88 transition count 219
Iterating global reduction 1 with 1 rules applied. Total rules applied 16 place count 88 transition count 219
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 17 place count 87 transition count 217
Iterating global reduction 1 with 1 rules applied. Total rules applied 18 place count 87 transition count 217
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 19 place count 86 transition count 215
Iterating global reduction 1 with 1 rules applied. Total rules applied 20 place count 86 transition count 215
Applied a total of 20 rules in 16 ms. Remains 86 /96 variables (removed 10) and now considering 215/236 (removed 21) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 16 ms. Remains : 86/96 places, 215/236 transitions.
RANDOM walk for 40000 steps (8 resets) in 164 ms. (242 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 57 ms. (689 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 120 ms. (330 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 531181 steps, run timeout after 3001 ms. (steps per millisecond=177 ) properties seen :0 out of 2
Probabilistic random walk after 531181 steps, saw 345724 distinct states, run finished after 3001 ms. (steps per millisecond=177 ) properties seen :0
[2026-05-25 09:07:45] [INFO ] Flow matrix only has 135 transitions (discarded 80 similar events)
// Phase 1: matrix 135 rows 86 cols
[2026-05-25 09:07:45] [INFO ] Computed 3 invariants in 7 ms
[2026-05-25 09:07:45] [INFO ] State equation strengthened by 21 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 9/11 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/11 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 76/87 variables, 10/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/87 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/87 variables, 2/15 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/87 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 5/92 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/92 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/92 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 102/194 variables, 57/74 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/194 variables, 19/93 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/194 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 6/200 variables, 1/94 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/200 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 14/214 variables, 12/106 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/214 variables, 0/106 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 4/218 variables, 2/108 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/218 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 3/221 variables, 2/110 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/221 variables, 0/110 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 0/221 variables, 0/110 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 221/221 variables, and 110 constraints, problems are : Problem set: 0 solved, 2 unsolved in 117 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 86/86 constraints, ReadFeed: 21/21 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 9/11 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/11 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 76/87 variables, 10/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/87 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/87 variables, 2/15 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/87 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/87 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 5/92 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/92 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/92 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 102/194 variables, 57/75 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/194 variables, 19/94 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/194 variables, 1/95 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/194 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 6/200 variables, 1/96 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:07:45] [INFO ] Deduced a trap along path composed of 3 places in 15 ms of which 0 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/200 variables, 1/97 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/200 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (OVERLAPS) 14/214 variables, 12/109 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/214 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (OVERLAPS) 4/218 variables, 2/111 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/218 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (OVERLAPS) 3/221 variables, 2/113 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/221 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 24 (OVERLAPS) 0/221 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 221/221 variables, and 113 constraints, problems are : Problem set: 0 solved, 2 unsolved in 229 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 86/86 constraints, ReadFeed: 21/21 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 361ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 2 out of 86 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 86/86 places, 215/215 transitions.
Applied a total of 0 rules in 4 ms. Remains 86 /86 variables (removed 0) and now considering 215/215 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 86/86 places, 215/215 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 86/86 places, 215/215 transitions.
Applied a total of 0 rules in 3 ms. Remains 86 /86 variables (removed 0) and now considering 215/215 (removed 0) transitions.
[2026-05-25 09:07:45] [INFO ] Flow matrix only has 135 transitions (discarded 80 similar events)
[2026-05-25 09:07:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 09:07:45] [INFO ] Implicit Places using invariants in 57 ms returned []
[2026-05-25 09:07:45] [INFO ] Flow matrix only has 135 transitions (discarded 80 similar events)
[2026-05-25 09:07:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 09:07:45] [INFO ] State equation strengthened by 21 read => feed constraints.
[2026-05-25 09:07:45] [INFO ] Implicit Places using invariants and state equation in 181 ms returned []
Implicit Place search using SMT with State Equation took 240 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 09:07:45] [INFO ] Redundant transitions in 2 ms returned []
Running 213 sub problems to find dead transitions.
[2026-05-25 09:07:45] [INFO ] Flow matrix only has 135 transitions (discarded 80 similar events)
[2026-05-25 09:07:45] [INFO ] Invariant cache hit.
[2026-05-25 09:07:45] [INFO ] State equation strengthened by 21 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/86 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 213 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/86 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 213 unsolved
At refinement iteration 2 (OVERLAPS) 135/221 variables, 86/89 constraints. Problems are: Problem set: 0 solved, 213 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/221 variables, 21/110 constraints. Problems are: Problem set: 0 solved, 213 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/221 variables, 0/110 constraints. Problems are: Problem set: 0 solved, 213 unsolved
Invariant property MIN2 does not hold.
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :5.47253e+10 after 1.21687e+11
At refinement iteration 5 (OVERLAPS) 0/221 variables, 0/110 constraints. Problems are: Problem set: 0 solved, 213 unsolved
No progress, stopping.
After SMT solving in domain Real declared 221/221 variables, and 110 constraints, problems are : Problem set: 0 solved, 213 unsolved in 4290 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 86/86 constraints, ReadFeed: 21/21 constraints, PredecessorRefiner: 213/213 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 213 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/86 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 213 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/86 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 213 unsolved
At refinement iteration 2 (OVERLAPS) 135/221 variables, 86/89 constraints. Problems are: Problem set: 0 solved, 213 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/221 variables, 21/110 constraints. Problems are: Problem set: 0 solved, 213 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/221 variables, 213/323 constraints. Problems are: Problem set: 0 solved, 213 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:07:54] [INFO ] Deduced a trap along path composed of 3 places in 26 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:07:54] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 1 ms to minimize.
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :1.21687e+11 after 2.81455e+11
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:07:55] [INFO ] Deduced a trap along path composed of 3 places in 24 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/221 variables, 3/326 constraints. Problems are: Problem set: 0 solved, 213 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:07:59] [INFO ] Deduced a trap along path composed of 3 places in 24 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/221 variables, 1/327 constraints. Problems are: Problem set: 0 solved, 213 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/221 variables, 0/327 constraints. Problems are: Problem set: 0 solved, 213 unsolved
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :2.81455e+11 after 1.19321e+12
At refinement iteration 8 (OVERLAPS) 0/221 variables, 0/327 constraints. Problems are: Problem set: 0 solved, 213 unsolved
No progress, stopping.
Detected timeout of ITS tools.
After SMT solving in domain Int declared 221/221 variables, and 327 constraints, problems are : Problem set: 0 solved, 213 unsolved in 24592 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 86/86 constraints, ReadFeed: 21/21 constraints, PredecessorRefiner: 213/213 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 4/4 constraints]
After SMT, in 28948ms problems are : Problem set: 0 solved, 213 unsolved
Search for dead transitions found 0 dead transitions in 28952ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 29204 ms. Remains : 86/86 places, 215/215 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 134 edges and 86 vertex of which 3 / 86 are part of one of the 1 SCC in 4 ms
Free SCC test removed 2 places
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Ensure Unique test removed 78 transitions
Reduce isomorphic transitions removed 83 transitions.
Graph (complete) has 219 edges and 84 vertex of which 83 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 0 with 10 rules applied. Total rules applied 12 place count 83 transition count 122
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 20 place count 75 transition count 122
[2026-05-25 09:08:14] [INFO ] Flatten gal took : 27 ms
[2026-05-25 09:08:14] [INFO ] Applying decomposition
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 16 Pre rules applied. Total rules applied 20 place count 75 transition count 106
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 52 place count 59 transition count 106
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: 15
Deduced a syphon composed of 15 places in 0 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 2 with 30 rules applied. Total rules applied 82 place count 44 transition count 91
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 89 place count 37 transition count 77
Iterating global reduction 2 with 7 rules applied. Total rules applied 96 place count 37 transition count 77
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 103 place count 30 transition count 63
Iterating global reduction 2 with 7 rules applied. Total rules applied 110 place count 30 transition count 63
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 117 place count 23 transition count 49
Iterating global reduction 2 with 7 rules applied. Total rules applied 124 place count 23 transition count 49
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 131 place count 23 transition count 42
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 131 place count 23 transition count 41
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 133 place count 22 transition count 41
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 137 place count 20 transition count 41
Applied a total of 137 rules in 30 ms. Remains 20 /86 variables (removed 66) and now considering 41/215 (removed 174) transitions.
Running SMT prover for 1 properties.
[2026-05-25 09:08:14] [INFO ] Flatten gal took : 16 ms
// Phase 1: matrix 41 rows 20 cols
[2026-05-25 09:08:14] [INFO ] Computed 3 invariants in 0 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-25 09:08:14] [INFO ] [Real]Absence check using 3 positive place invariants in 0 ms returned sat
[2026-05-25 09:08:14] [INFO ] After 51ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-25 09:08:14] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph13830323021352092173.txt' '-o' '/tmp/graph13830323021352092173.bin' '-w' '/tmp/graph13830323021352092173.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph13830323021352092173.bin' '-l' '-1' '-v' '-w' '/tmp/graph13830323021352092173.weights' '-q' '0' '-e' '0.001'
[2026-05-25 09:08:14] [INFO ] After 16ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2026-05-25 09:08:14] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-25 09:08:14] [INFO ] After 3ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-25 09:08:14] [INFO ] Decomposing Gal with order
[2026-05-25 09:08:14] [INFO ] After 14ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-25 09:08:14] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 09:08:14] [INFO ] After 77ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2026-05-25 09:08:14] [INFO ] Flatten gal took : 4 ms
[2026-05-25 09:08:14] [INFO ] Flatten gal took : 4 ms
[2026-05-25 09:08:14] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4709391180900071764.gal : 1 ms
[2026-05-25 09:08:14] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8081019693981964238.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality4709391180900071764.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8081019693981964238.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality8081019693981964238.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 17
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :17 after 288
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :288 after 14700
[2026-05-25 09:08:14] [INFO ] Removed a total of 403 redundant transitions.
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :14700 after 90900
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :90900 after 432180
[2026-05-25 09:08:14] [INFO ] Flatten gal took : 57 ms
[2026-05-25 09:08:15] [INFO ] Fuse similar labels procedure discarded/fused a total of 113 labels/synchronizations in 12 ms.
[2026-05-25 09:08:15] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10605862730371641513.gal : 4 ms
[2026-05-25 09:08:15] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12350177962330198082.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality10605862730371641513.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12350177962330198082.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...309
Loading property file /tmp/ReachabilityCardinality12350177962330198082.prop.
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :432180 after 1.86018e+06
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :1.86018e+06 after 7.68126e+06
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :7.68126e+06 after 3.1151e+07
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :3.1151e+07 after 1.25338e+08
Detected timeout of ITS tools.
[2026-05-25 09:08:29] [INFO ] Flatten gal took : 7 ms
[2026-05-25 09:08:29] [INFO ] Applying decomposition
[2026-05-25 09:08:29] [INFO ] Flatten gal took : 4 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph2589001836815795904.txt' '-o' '/tmp/graph2589001836815795904.bin' '-w' '/tmp/graph2589001836815795904.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph2589001836815795904.bin' '-l' '-1' '-v' '-w' '/tmp/graph2589001836815795904.weights' '-q' '0' '-e' '0.001'
[2026-05-25 09:08:30] [INFO ] Decomposing Gal with order
[2026-05-25 09:08:30] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 09:08:30] [INFO ] Removed a total of 47 redundant transitions.
[2026-05-25 09:08:30] [INFO ] Flatten gal took : 5 ms
[2026-05-25 09:08:30] [INFO ] Fuse similar labels procedure discarded/fused a total of 4 labels/synchronizations in 0 ms.
[2026-05-25 09:08:30] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15528563176889200753.gal : 1 ms
[2026-05-25 09:08:30] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6619000369540487628.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality15528563176889200753.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6619000369540487628.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality6619000369540487628.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 17
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :17 after 135
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :135 after 2655
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :2655 after 6495
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :6495 after 14175
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :14175 after 29535
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :29535 after 60255
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :60255 after 121695
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :121695 after 244575
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :244575 after 490335
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30319 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[10, 151, 12, 511] Max Struct:[+inf, +inf, +inf, +inf]
Starting property specific reduction for FunctionPointer-PT-b008-UpperBounds-03
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2026-05-25 09:08:45] [INFO ] Flow matrix only has 152 transitions (discarded 84 similar events)
// Phase 1: matrix 152 rows 96 cols
[2026-05-25 09:08:45] [INFO ] Computed 3 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 22 ms. (434 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3] Max Struct:[+inf]
[2026-05-25 09:08:45] [INFO ] Flow matrix only has 152 transitions (discarded 84 similar events)
[2026-05-25 09:08:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 09:08:45] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-25 09:08:45] [INFO ] [Real]Absence check using state equation in 36 ms returned sat
[2026-05-25 09:08:45] [INFO ] State equation strengthened by 27 read => feed constraints.
[2026-05-25 09:08:45] [INFO ] [Real]Added 27 Read/Feed constraints in 5 ms returned sat
[2026-05-25 09:08:45] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 09:08:45] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-25 09:08:45] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2026-05-25 09:08:45] [INFO ] [Nat]Added 27 Read/Feed constraints in 6 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:08:45] [INFO ] Deduced a trap composed of 15 places in 71 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:08:45] [INFO ] Deduced a trap composed of 15 places in 58 ms of which 5 ms to minimize.
[2026-05-25 09:08:45] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 154 ms
[2026-05-25 09:08:45] [INFO ] Computed and/alt/rep : 66/321/61 causal constraints (skipped 89 transitions) in 13 ms.
[2026-05-25 09:08:45] [INFO ] Added : 5 causal constraints over 2 iterations in 47 ms. Result :sat
Minimization took 31 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:[8] Max Struct:[+inf]
Support contains 1 out of 96 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 96/96 places, 236/236 transitions.
Graph (complete) has 408 edges and 96 vertex of which 93 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 93 transition count 231
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 8 place count 91 transition count 225
Iterating global reduction 1 with 2 rules applied. Total rules applied 10 place count 91 transition count 225
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 12 place count 89 transition count 219
Iterating global reduction 1 with 2 rules applied. Total rules applied 14 place count 89 transition count 219
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 16 place count 87 transition count 215
Iterating global reduction 1 with 2 rules applied. Total rules applied 18 place count 87 transition count 215
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 20 place count 85 transition count 209
Iterating global reduction 1 with 2 rules applied. Total rules applied 22 place count 85 transition count 209
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 24 place count 83 transition count 205
Iterating global reduction 1 with 2 rules applied. Total rules applied 26 place count 83 transition count 205
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 28 place count 81 transition count 201
Iterating global reduction 1 with 2 rules applied. Total rules applied 30 place count 81 transition count 201
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 32 place count 79 transition count 197
Iterating global reduction 1 with 2 rules applied. Total rules applied 34 place count 79 transition count 197
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 35 place count 78 transition count 195
Iterating global reduction 1 with 1 rules applied. Total rules applied 36 place count 78 transition count 195
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 37 place count 77 transition count 193
Iterating global reduction 1 with 1 rules applied. Total rules applied 38 place count 77 transition count 193
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 39 place count 76 transition count 191
Iterating global reduction 1 with 1 rules applied. Total rules applied 40 place count 76 transition count 191
Applied a total of 40 rules in 23 ms. Remains 76 /96 variables (removed 20) and now considering 191/236 (removed 45) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24 ms. Remains : 76/96 places, 191/236 transitions.
[2026-05-25 09:08:45] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {32=1, 57=1, 87=1, 113=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {30=1, 55=1, 101=1, 114=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 76 ms. (steps per millisecond=131 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[8] Max Struct:[+inf]
[2026-05-25 09:08:45] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
// Phase 1: matrix 117 rows 76 cols
[2026-05-25 09:08:45] [INFO ] Computed 3 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[8] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1076 ms. (928 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 513 ms. (1945 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[8] Max Struct:[+inf]
[2026-05-25 09:08:47] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2026-05-25 09:08:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:08:47] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2026-05-25 09:08:47] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2026-05-25 09:08:47] [INFO ] State equation strengthened by 18 read => feed constraints.
[2026-05-25 09:08:47] [INFO ] [Real]Added 18 Read/Feed constraints in 4 ms returned sat
[2026-05-25 09:08:47] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:08:47] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-25 09:08:47] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2026-05-25 09:08:47] [INFO ] [Nat]Added 18 Read/Feed constraints in 6 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:08:47] [INFO ] Deduced a trap composed of 13 places in 59 ms of which 4 ms to minimize.
[2026-05-25 09:08:47] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 69 ms
[2026-05-25 09:08:47] [INFO ] Computed and/alt/rep : 61/197/52 causal constraints (skipped 63 transitions) in 7 ms.
[2026-05-25 09:08:47] [INFO ] Added : 6 causal constraints over 3 iterations in 38 ms. Result :sat
Minimization took 19 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[8] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[8] Max Struct:[+inf]
Support contains 1 out of 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 3 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
[2026-05-25 09:08:47] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2026-05-25 09:08:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 09:08:47] [INFO ] Implicit Places using invariants in 61 ms returned []
[2026-05-25 09:08:47] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2026-05-25 09:08:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 09:08:47] [INFO ] State equation strengthened by 18 read => feed constraints.
[2026-05-25 09:08:47] [INFO ] Implicit Places using invariants and state equation in 146 ms returned []
Implicit Place search using SMT with State Equation took 209 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 09:08:47] [INFO ] Redundant transitions in 2 ms returned []
Running 189 sub problems to find dead transitions.
[2026-05-25 09:08:47] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2026-05-25 09:08:47] [INFO ] Invariant cache hit.
[2026-05-25 09:08:47] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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 3808 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, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 189 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:08:55] [INFO ] Deduced a trap along path composed of 3 places in 30 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:08:55] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:08:55] [INFO ] Deduced a trap along path composed of 3 places in 26 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 3/289 constraints. Problems are: Problem set: 0 solved, 189 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:09:01] [INFO ] Deduced a trap along path composed of 3 places in 25 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/193 variables, 1/290 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/193 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 8 (OVERLAPS) 0/193 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 189 unsolved
No progress, stopping.
After SMT solving in domain Int declared 193/193 variables, and 290 constraints, problems are : Problem set: 0 solved, 189 unsolved in 22115 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, Known Traps Along Path: 4/4 constraints]
After SMT, in 25977ms problems are : Problem set: 0 solved, 189 unsolved
Search for dead transitions found 0 dead transitions in 25978ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26197 ms. Remains : 76/76 places, 191/191 transitions.
[2026-05-25 09:09:13] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {32=1, 57=1, 87=1, 113=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {30=1, 55=1, 101=1, 114=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 23 ms. (steps per millisecond=434 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[8] Max Struct:[+inf]
[2026-05-25 09:09:13] [INFO ] Flatten gal took : 22 ms
[2026-05-25 09:09:13] [INFO ] Flatten gal took : 9 ms
[2026-05-25 09:09:13] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17463895661115119384.gal : 2 ms
[2026-05-25 09:09:13] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10241352941689352767.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality17463895661115119384.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10241352941689352767.prop' '--nowitness' '--gen-order' 'FOLLOW'
RANDOM walk for 40003 steps (8 resets) in 152 ms. (261 steps per ms) remains 1/1 properties

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality10241352941689352767.prop.
BEST_FIRST walk for 40004 steps (8 resets) in 40 ms. (975 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 31
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :31 after 922
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :922 after 95322
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :95322 after 7.35152e+06
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :7.35152e+06 after 6.56354e+08
Interrupted probabilistic random walk after 1920229 steps, run timeout after 3001 ms. (steps per millisecond=639 ) properties seen :0 out of 1
Probabilistic random walk after 1920229 steps, saw 1195247 distinct states, run finished after 3001 ms. (steps per millisecond=639 ) properties seen :0
[2026-05-25 09:09:16] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2026-05-25 09:09:16] [INFO ] Invariant cache hit.
[2026-05-25 09:09:16] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/8 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 61/69 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/69 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/69 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 6/75 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/75 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/75 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 94/169 variables, 53/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/169 variables, 17/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/169 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 6/175 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/175 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 11/186 variables, 10/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/186 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 4/190 variables, 2/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/190 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 3/193 variables, 2/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 193/193 variables, and 97 constraints, problems are : Problem set: 0 solved, 1 unsolved in 95 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/8 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 61/69 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/69 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/69 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/69 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 6/75 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/75 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/75 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 94/169 variables, 53/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/169 variables, 17/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/169 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 6/175 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/175 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 11/186 variables, 10/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/186 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 4/190 variables, 2/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/190 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 3/193 variables, 2/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/193 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/193 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 193/193 variables, and 98 constraints, problems are : Problem set: 0 solved, 1 unsolved in 111 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 212ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 1345 steps, including 19 resets, run visited all 1 properties in 3 ms. (steps per millisecond=448 )
Parikh walk visited 1 properties in 6 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[8] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b008-UpperBounds-03 in 32071 ms.
Starting property specific reduction for FunctionPointer-PT-b008-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]
[2026-05-25 09:09:17] [INFO ] Flow matrix only has 152 transitions (discarded 84 similar events)
// Phase 1: matrix 152 rows 96 cols
[2026-05-25 09:09:17] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 14 ms. (666 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 6 ms. (1428 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2026-05-25 09:09:17] [INFO ] Flow matrix only has 152 transitions (discarded 84 similar events)
[2026-05-25 09:09:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 09:09:17] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-25 09:09:17] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2026-05-25 09:09:17] [INFO ] State equation strengthened by 27 read => feed constraints.
[2026-05-25 09:09:17] [INFO ] [Real]Added 27 Read/Feed constraints in 6 ms returned sat
[2026-05-25 09:09:17] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 09:09:17] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-25 09:09:17] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2026-05-25 09:09:17] [INFO ] [Nat]Added 27 Read/Feed constraints in 4 ms returned sat
[2026-05-25 09:09:17] [INFO ] Computed and/alt/rep : 66/321/61 causal constraints (skipped 89 transitions) in 9 ms.
[2026-05-25 09:09:17] [INFO ] Added : 20 causal constraints over 5 iterations in 58 ms. Result :sat
Minimization took 30 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[+inf]
Support contains 1 out of 96 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 96/96 places, 236/236 transitions.
Graph (complete) has 408 edges and 96 vertex of which 90 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.1 ms
Discarding 6 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 0 with 10 rules applied. Total rules applied 11 place count 90 transition count 226
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 12 place count 89 transition count 222
Iterating global reduction 1 with 1 rules applied. Total rules applied 13 place count 89 transition count 222
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 14 place count 88 transition count 220
Iterating global reduction 1 with 1 rules applied. Total rules applied 15 place count 88 transition count 220
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 16 place count 87 transition count 218
Iterating global reduction 1 with 1 rules applied. Total rules applied 17 place count 87 transition count 218
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 18 place count 86 transition count 216
Iterating global reduction 1 with 1 rules applied. Total rules applied 19 place count 86 transition count 216
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 20 place count 85 transition count 214
Iterating global reduction 1 with 1 rules applied. Total rules applied 21 place count 85 transition count 214
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 22 place count 84 transition count 212
Iterating global reduction 1 with 1 rules applied. Total rules applied 23 place count 84 transition count 212
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 24 place count 83 transition count 210
Iterating global reduction 1 with 1 rules applied. Total rules applied 25 place count 83 transition count 210
Applied a total of 25 rules in 19 ms. Remains 83 /96 variables (removed 13) and now considering 210/236 (removed 26) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 20 ms. Remains : 83/96 places, 210/236 transitions.
[2026-05-25 09:09:17] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {26=1, 61=1, 93=1, 126=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {28=1, 63=1, 95=1, 125=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[3] Max Struct:[+inf]
[2026-05-25 09:09:17] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
// Phase 1: matrix 130 rows 83 cols
[2026-05-25 09:09:17] [INFO ] Computed 3 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[3] Max Struct:[+inf]
RANDOM walk for 1000005 steps (2 resets) in 1276 ms. (783 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 532 ms. (1876 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[214] Max Struct:[+inf]
[2026-05-25 09:09:19] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
[2026-05-25 09:09:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:09:19] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-25 09:09:19] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2026-05-25 09:09:19] [INFO ] State equation strengthened by 18 read => feed constraints.
[2026-05-25 09:09:19] [INFO ] [Real]Added 18 Read/Feed constraints in 4 ms returned sat
[2026-05-25 09:09:19] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:09:19] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-25 09:09:19] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2026-05-25 09:09:19] [INFO ] [Nat]Added 18 Read/Feed constraints in 3 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:09:19] [INFO ] Deduced a trap composed of 14 places in 84 ms of which 4 ms to minimize.
[2026-05-25 09:09:19] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 92 ms
[2026-05-25 09:09:19] [INFO ] Computed and/alt/rep : 61/202/55 causal constraints (skipped 73 transitions) in 6 ms.
[2026-05-25 09:09:19] [INFO ] Added : 10 causal constraints over 3 iterations in 31 ms. Result :sat
Minimization took 22 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[214] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[214] 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 19 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 19 ms. Remains : 83/83 places, 210/210 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 83/83 places, 210/210 transitions.
Applied a total of 0 rules in 3 ms. Remains 83 /83 variables (removed 0) and now considering 210/210 (removed 0) transitions.
[2026-05-25 09:09:19] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
[2026-05-25 09:09:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 09:09:19] [INFO ] Implicit Places using invariants in 65 ms returned []
[2026-05-25 09:09:19] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
[2026-05-25 09:09:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 09:09:19] [INFO ] State equation strengthened by 18 read => feed constraints.
[2026-05-25 09:09:19] [INFO ] Implicit Places using invariants and state equation in 163 ms returned []
Implicit Place search using SMT with State Equation took 229 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 09:09:19] [INFO ] Redundant transitions in 1 ms returned []
Running 208 sub problems to find dead transitions.
[2026-05-25 09:09:19] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
[2026-05-25 09:09:19] [INFO ] Invariant cache hit.
[2026-05-25 09:09:19] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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, 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 6965 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, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 208 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:09:31] [INFO ] Deduced a trap along path composed of 3 places in 52 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:09:31] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:09:32] [INFO ] Deduced a trap along path composed of 3 places in 25 ms of which 0 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/213 variables, 3/315 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/213 variables, 0/315 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 7 (OVERLAPS) 0/213 variables, 0/315 constraints. Problems are: Problem set: 0 solved, 208 unsolved
No progress, stopping.
After SMT solving in domain Int declared 213/213 variables, and 315 constraints, problems are : Problem set: 0 solved, 208 unsolved in 20874 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, Known Traps Along Path: 3/3 constraints]
After SMT, in 27900ms problems are : Problem set: 0 solved, 208 unsolved
Search for dead transitions found 0 dead transitions in 27901ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28154 ms. Remains : 83/83 places, 210/210 transitions.
[2026-05-25 09:09:47] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {26=1, 61=1, 93=1, 126=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {28=1, 63=1, 95=1, 125=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[214] Max Struct:[+inf]
[2026-05-25 09:09:47] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
[2026-05-25 09:09:47] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[214] Max Struct:[+inf]
RANDOM walk for 1000004 steps (2 resets) in 1197 ms. (834 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 538 ms. (1855 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[217] Max Struct:[+inf]
[2026-05-25 09:09:49] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
[2026-05-25 09:09:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:09:49] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-25 09:09:49] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2026-05-25 09:09:49] [INFO ] State equation strengthened by 18 read => feed constraints.
[2026-05-25 09:09:49] [INFO ] [Real]Added 18 Read/Feed constraints in 17 ms returned sat
[2026-05-25 09:09:49] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:09:49] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-25 09:09:49] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2026-05-25 09:09:49] [INFO ] [Nat]Added 18 Read/Feed constraints in 3 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:09:49] [INFO ] Deduced a trap composed of 14 places in 56 ms of which 5 ms to minimize.
[2026-05-25 09:09:49] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 65 ms
[2026-05-25 09:09:49] [INFO ] Computed and/alt/rep : 61/202/55 causal constraints (skipped 73 transitions) in 6 ms.
[2026-05-25 09:09:49] [INFO ] Added : 10 causal constraints over 3 iterations in 31 ms. Result :sat
Minimization took 22 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[217] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[217] Max Struct:[+inf]
Support contains 1 out of 83 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 83/83 places, 210/210 transitions.
Applied a total of 0 rules in 3 ms. Remains 83 /83 variables (removed 0) and now considering 210/210 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 83/83 places, 210/210 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 83/83 places, 210/210 transitions.
Applied a total of 0 rules in 3 ms. Remains 83 /83 variables (removed 0) and now considering 210/210 (removed 0) transitions.
[2026-05-25 09:09:49] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
[2026-05-25 09:09:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 09:09:50] [INFO ] Implicit Places using invariants in 62 ms returned []
[2026-05-25 09:09:50] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
[2026-05-25 09:09:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 09:09:50] [INFO ] State equation strengthened by 18 read => feed constraints.
[2026-05-25 09:09:50] [INFO ] Implicit Places using invariants and state equation in 176 ms returned []
Implicit Place search using SMT with State Equation took 261 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 09:09:50] [INFO ] Redundant transitions in 0 ms returned []
Running 208 sub problems to find dead transitions.
[2026-05-25 09:09:50] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
[2026-05-25 09:09:50] [INFO ] Invariant cache hit.
[2026-05-25 09:09:50] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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, 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 7084 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, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 208 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:10:01] [INFO ] Deduced a trap along path composed of 3 places in 37 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:10:01] [INFO ] Deduced a trap along path composed of 3 places in 14 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:10:03] [INFO ] Deduced a trap along path composed of 3 places in 39 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/213 variables, 3/315 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/213 variables, 0/315 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 7 (OVERLAPS) 0/213 variables, 0/315 constraints. Problems are: Problem set: 0 solved, 208 unsolved
No progress, stopping.
After SMT solving in domain Int declared 213/213 variables, and 315 constraints, problems are : Problem set: 0 solved, 208 unsolved in 20474 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, Known Traps Along Path: 3/3 constraints]
After SMT, in 27621ms problems are : Problem set: 0 solved, 208 unsolved
Search for dead transitions found 0 dead transitions in 27621ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 27893 ms. Remains : 83/83 places, 210/210 transitions.
[2026-05-25 09:10:17] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {26=1, 61=1, 93=1, 126=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {28=1, 63=1, 95=1, 125=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 28 ms. (steps per millisecond=357 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[217] Max Struct:[+inf]
[2026-05-25 09:10:17] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
[2026-05-25 09:10:17] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[217] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1240 ms. (805 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 557 ms. (1792 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[247] Max Struct:[+inf]
[2026-05-25 09:10:19] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
[2026-05-25 09:10:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:10:19] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-25 09:10:19] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2026-05-25 09:10:19] [INFO ] State equation strengthened by 18 read => feed constraints.
[2026-05-25 09:10:19] [INFO ] [Real]Added 18 Read/Feed constraints in 5 ms returned sat
[2026-05-25 09:10:19] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:10:19] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-25 09:10:19] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2026-05-25 09:10:19] [INFO ] [Nat]Added 18 Read/Feed constraints in 3 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:10:19] [INFO ] Deduced a trap composed of 14 places in 51 ms of which 5 ms to minimize.
[2026-05-25 09:10:19] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 66 ms
[2026-05-25 09:10:19] [INFO ] Computed and/alt/rep : 61/202/55 causal constraints (skipped 73 transitions) in 17 ms.
[2026-05-25 09:10:20] [INFO ] Added : 10 causal constraints over 3 iterations in 44 ms. Result :sat
Minimization took 22 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[247] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[247] Max Struct:[+inf]
Support contains 1 out of 83 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 83/83 places, 210/210 transitions.
Applied a total of 0 rules in 3 ms. Remains 83 /83 variables (removed 0) and now considering 210/210 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 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.
[2026-05-25 09:10:20] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
[2026-05-25 09:10:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 09:10:20] [INFO ] Implicit Places using invariants in 69 ms returned []
[2026-05-25 09:10:20] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
[2026-05-25 09:10:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 09:10:20] [INFO ] State equation strengthened by 18 read => feed constraints.
[2026-05-25 09:10:20] [INFO ] Implicit Places using invariants and state equation in 142 ms returned []
Implicit Place search using SMT with State Equation took 233 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 09:10:20] [INFO ] Redundant transitions in 1 ms returned []
Running 208 sub problems to find dead transitions.
[2026-05-25 09:10:20] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
[2026-05-25 09:10:20] [INFO ] Invariant cache hit.
[2026-05-25 09:10:20] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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, 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 7064 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, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 208 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:10:31] [INFO ] Deduced a trap along path composed of 3 places in 19 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:10:31] [INFO ] Deduced a trap along path composed of 3 places in 31 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:10:33] [INFO ] Deduced a trap along path composed of 3 places in 24 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/213 variables, 3/315 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/213 variables, 0/315 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 7 (OVERLAPS) 0/213 variables, 0/315 constraints. Problems are: Problem set: 0 solved, 208 unsolved
No progress, stopping.
After SMT solving in domain Int declared 213/213 variables, and 315 constraints, problems are : Problem set: 0 solved, 208 unsolved in 21155 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, Known Traps Along Path: 3/3 constraints]
After SMT, in 28277ms problems are : Problem set: 0 solved, 208 unsolved
Search for dead transitions found 0 dead transitions in 28279ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28523 ms. Remains : 83/83 places, 210/210 transitions.
[2026-05-25 09:10:48] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {26=1, 61=1, 93=1, 126=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {28=1, 63=1, 95=1, 125=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 26 ms. (steps per millisecond=384 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[247] Max Struct:[+inf]
[2026-05-25 09:10:48] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
[2026-05-25 09:10:48] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[247] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1147 ms. (871 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 571 ms. (1748 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[247] Max Struct:[+inf]
[2026-05-25 09:10:50] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
[2026-05-25 09:10:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:10:50] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-25 09:10:50] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2026-05-25 09:10:50] [INFO ] State equation strengthened by 18 read => feed constraints.
[2026-05-25 09:10:50] [INFO ] [Real]Added 18 Read/Feed constraints in 5 ms returned sat
[2026-05-25 09:10:50] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:10:50] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-25 09:10:50] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2026-05-25 09:10:50] [INFO ] [Nat]Added 18 Read/Feed constraints in 3 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:10:50] [INFO ] Deduced a trap composed of 14 places in 58 ms of which 4 ms to minimize.
[2026-05-25 09:10:50] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 66 ms
[2026-05-25 09:10:50] [INFO ] Computed and/alt/rep : 61/202/55 causal constraints (skipped 73 transitions) in 5 ms.
[2026-05-25 09:10:50] [INFO ] Added : 10 causal constraints over 3 iterations in 33 ms. Result :sat
Minimization took 22 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[247] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[247] Max Struct:[+inf]
Support contains 1 out of 83 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 83/83 places, 210/210 transitions.
Applied a total of 0 rules in 3 ms. Remains 83 /83 variables (removed 0) and now considering 210/210 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 83/83 places, 210/210 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 83/83 places, 210/210 transitions.
Applied a total of 0 rules in 2 ms. Remains 83 /83 variables (removed 0) and now considering 210/210 (removed 0) transitions.
[2026-05-25 09:10:50] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
[2026-05-25 09:10:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 09:10:50] [INFO ] Implicit Places using invariants in 63 ms returned []
[2026-05-25 09:10:50] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
[2026-05-25 09:10:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 09:10:50] [INFO ] State equation strengthened by 18 read => feed constraints.
[2026-05-25 09:10:50] [INFO ] Implicit Places using invariants and state equation in 144 ms returned []
Implicit Place search using SMT with State Equation took 240 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 09:10:50] [INFO ] Redundant transitions in 1 ms returned []
Running 208 sub problems to find dead transitions.
[2026-05-25 09:10:50] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
[2026-05-25 09:10:50] [INFO ] Invariant cache hit.
[2026-05-25 09:10:50] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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, 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 7096 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, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 208 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:11:02] [INFO ] Deduced a trap along path composed of 3 places in 25 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:11:02] [INFO ] Deduced a trap along path composed of 3 places in 12 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:11:03] [INFO ] Deduced a trap along path composed of 3 places in 25 ms of which 0 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/213 variables, 3/315 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/213 variables, 0/315 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 7 (OVERLAPS) 0/213 variables, 0/315 constraints. Problems are: Problem set: 0 solved, 208 unsolved
No progress, stopping.
After SMT solving in domain Int declared 213/213 variables, and 315 constraints, problems are : Problem set: 0 solved, 208 unsolved in 20839 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, Known Traps Along Path: 3/3 constraints]
After SMT, in 28011ms problems are : Problem set: 0 solved, 208 unsolved
Search for dead transitions found 0 dead transitions in 28013ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28262 ms. Remains : 83/83 places, 210/210 transitions.
[2026-05-25 09:11:18] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {26=1, 61=1, 93=1, 126=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {28=1, 63=1, 95=1, 125=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 1) seen :[2147483647]
Current structural bounds on expressions (after cover walk) : Max Seen:[+inf] Max Struct:[+inf]
[2026-05-25 09:11:19] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
[2026-05-25 09:11:19] [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 1232 ms. (811 steps per ms)
FORMULA FunctionPointer-PT-b008-UpperBounds-04 +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 )
[2026-05-25 09:11:20] [INFO ] Flatten gal took : 9 ms
[2026-05-25 09:11:20] [INFO ] Flatten gal took : 9 ms
[2026-05-25 09:11:20] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11168059452987805874.gal : 2 ms
[2026-05-25 09:11:20] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3775745371751094224.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality11168059452987805874.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3775745371751094224.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
ITS runner timed out or was interrupted.
java.io.IOException: Stream closed
at java.base/java.io.BufferedInputStream.getBufIfOpen(BufferedInputStream.java:188)
at java.base/java.io.BufferedInputStream.read1(BufferedInputStream.java:343)
at java.base/java.io.BufferedInputStream.implRead(BufferedInputStream.java:420)
at java.base/java.io.BufferedInputStream.read(BufferedInputStream.java:405)
at java.base/sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:350)
at java.base/sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:393)
at java.base/sun.nio.cs.StreamDecoder.lockedRead(StreamDecoder.java:217)
at java.base/sun.nio.cs.StreamDecoder.read(StreamDecoder.java:171)
at java.base/java.io.InputStreamReader.read(InputStreamReader.java:188)
at java.base/java.io.BufferedReader.fill(BufferedReader.java:160)
at java.base/java.io.BufferedReader.implReadLine(BufferedReader.java:370)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:347)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:436)
at fr.lip6.move.gal.application.runner.its.ITSRunner$ITSInterpreter.run(ITSRunner.java:211)
at java.base/java.lang.Thread.run(Thread.java:1583)
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[] Max Struct:[]
Ending property specific reduction for FunctionPointer-PT-b008-UpperBounds-04 in 123230 ms.
Starting property specific reduction for FunctionPointer-PT-b008-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]
[2026-05-25 09:11:20] [INFO ] Flow matrix only has 152 transitions (discarded 84 similar events)
// Phase 1: matrix 152 rows 96 cols
[2026-05-25 09:11:20] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 12 ms. (769 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[8] Max Struct:[+inf]
[2026-05-25 09:11:20] [INFO ] Flow matrix only has 152 transitions (discarded 84 similar events)
[2026-05-25 09:11:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 09:11:20] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-25 09:11:20] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2026-05-25 09:11:20] [INFO ] State equation strengthened by 27 read => feed constraints.
[2026-05-25 09:11:20] [INFO ] [Real]Added 27 Read/Feed constraints in 4 ms returned sat
[2026-05-25 09:11:20] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 09:11:20] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-25 09:11:20] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2026-05-25 09:11:20] [INFO ] [Nat]Added 27 Read/Feed constraints in 7 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:11:20] [INFO ] Deduced a trap composed of 15 places in 73 ms of which 5 ms to minimize.
[2026-05-25 09:11:20] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 84 ms
[2026-05-25 09:11:20] [INFO ] Computed and/alt/rep : 66/321/61 causal constraints (skipped 89 transitions) in 6 ms.
[2026-05-25 09:11:20] [INFO ] Added : 9 causal constraints over 2 iterations in 31 ms. Result :sat
Minimization took 25 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[8] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[8] Max Struct:[+inf]
Support contains 1 out of 96 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 96/96 places, 236/236 transitions.
Graph (complete) has 408 edges and 96 vertex of which 93 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 93 transition count 231
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 8 place count 91 transition count 225
Iterating global reduction 1 with 2 rules applied. Total rules applied 10 place count 91 transition count 225
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 12 place count 89 transition count 219
Iterating global reduction 1 with 2 rules applied. Total rules applied 14 place count 89 transition count 219
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 16 place count 87 transition count 215
Iterating global reduction 1 with 2 rules applied. Total rules applied 18 place count 87 transition count 215
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 20 place count 85 transition count 209
Iterating global reduction 1 with 2 rules applied. Total rules applied 22 place count 85 transition count 209
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 24 place count 83 transition count 205
Iterating global reduction 1 with 2 rules applied. Total rules applied 26 place count 83 transition count 205
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 28 place count 81 transition count 201
Iterating global reduction 1 with 2 rules applied. Total rules applied 30 place count 81 transition count 201
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 32 place count 79 transition count 197
Iterating global reduction 1 with 2 rules applied. Total rules applied 34 place count 79 transition count 197
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 35 place count 78 transition count 195
Iterating global reduction 1 with 1 rules applied. Total rules applied 36 place count 78 transition count 195
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 37 place count 77 transition count 193
Iterating global reduction 1 with 1 rules applied. Total rules applied 38 place count 77 transition count 193
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 39 place count 76 transition count 191
Iterating global reduction 1 with 1 rules applied. Total rules applied 40 place count 76 transition count 191
Applied a total of 40 rules in 15 ms. Remains 76 /96 variables (removed 20) and now considering 191/236 (removed 45) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15 ms. Remains : 76/96 places, 191/236 transitions.
[2026-05-25 09:11:20] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {31=1, 56=1, 102=1, 115=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {31=1, 56=1, 86=1, 112=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[8] Max Struct:[+inf]
[2026-05-25 09:11:20] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
// Phase 1: matrix 117 rows 76 cols
[2026-05-25 09:11:20] [INFO ] Computed 3 invariants in 0 ms
Current structural bounds on expressions (after invariants) : Max Seen:[8] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1086 ms. (919 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 493 ms. (2024 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[8] Max Struct:[+inf]
[2026-05-25 09:11:22] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2026-05-25 09:11:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:11:22] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-25 09:11:22] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2026-05-25 09:11:22] [INFO ] State equation strengthened by 18 read => feed constraints.
[2026-05-25 09:11:22] [INFO ] [Real]Added 18 Read/Feed constraints in 4 ms returned sat
[2026-05-25 09:11:22] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:11:22] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-25 09:11:22] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2026-05-25 09:11:22] [INFO ] [Nat]Added 18 Read/Feed constraints in 5 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:11:22] [INFO ] Deduced a trap composed of 13 places in 54 ms of which 5 ms to minimize.
[2026-05-25 09:11:22] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 61 ms
[2026-05-25 09:11:22] [INFO ] Computed and/alt/rep : 61/197/52 causal constraints (skipped 63 transitions) in 4 ms.
[2026-05-25 09:11:22] [INFO ] Added : 8 causal constraints over 3 iterations in 27 ms. Result :sat
Minimization took 20 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[8] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[8] Max Struct:[+inf]
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 76/76 places, 191/191 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
[2026-05-25 09:11:22] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2026-05-25 09:11:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 09:11:22] [INFO ] Implicit Places using invariants in 140 ms returned []
[2026-05-25 09:11:22] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2026-05-25 09:11:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 09:11:22] [INFO ] State equation strengthened by 18 read => feed constraints.
[2026-05-25 09:11:23] [INFO ] Implicit Places using invariants and state equation in 198 ms returned []
Implicit Place search using SMT with State Equation took 357 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 09:11:23] [INFO ] Redundant transitions in 1 ms returned []
Running 189 sub problems to find dead transitions.
[2026-05-25 09:11:23] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2026-05-25 09:11:23] [INFO ] Invariant cache hit.
[2026-05-25 09:11:23] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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 2841 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, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 189 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:11:29] [INFO ] Deduced a trap along path composed of 3 places in 30 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:11:29] [INFO ] Deduced a trap along path composed of 3 places in 13 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:11:30] [INFO ] Deduced a trap along path composed of 3 places in 24 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:11:30] [INFO ] Deduced a trap along path composed of 3 places in 13 ms of which 0 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 4/290 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/193 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 7 (OVERLAPS) 0/193 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 189 unsolved
No progress, stopping.
After SMT solving in domain Int declared 193/193 variables, and 290 constraints, problems are : Problem set: 0 solved, 189 unsolved in 14985 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, Known Traps Along Path: 4/4 constraints]
After SMT, in 17882ms problems are : Problem set: 0 solved, 189 unsolved
Search for dead transitions found 0 dead transitions in 17883ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18262 ms. Remains : 76/76 places, 191/191 transitions.
[2026-05-25 09:11:40] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
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 :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[8] Max Struct:[+inf]
[2026-05-25 09:11:41] [INFO ] Flatten gal took : 20 ms
[2026-05-25 09:11:41] [INFO ] Flatten gal took : 40 ms
[2026-05-25 09:11:41] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17602178021422210540.gal : 1 ms
[2026-05-25 09:11:41] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6456511838807519045.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality17602178021422210540.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6456511838807519045.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality6456511838807519045.prop.
RANDOM walk for 30125 steps (6 resets) in 117 ms. (255 steps per ms) remains 0/1 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[8] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b008-UpperBounds-07 in 20782 ms.
Starting property specific reduction for FunctionPointer-PT-b008-UpperBounds-15
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2026-05-25 09:11:41] [INFO ] Flow matrix only has 152 transitions (discarded 84 similar events)
// Phase 1: matrix 152 rows 96 cols
[2026-05-25 09:11:41] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 14 ms. (666 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 6 ms. (1428 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[7] Max Struct:[+inf]
[2026-05-25 09:11:41] [INFO ] Flow matrix only has 152 transitions (discarded 84 similar events)
[2026-05-25 09:11:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 09:11:41] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-25 09:11:41] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2026-05-25 09:11:41] [INFO ] State equation strengthened by 27 read => feed constraints.
[2026-05-25 09:11:41] [INFO ] [Real]Added 27 Read/Feed constraints in 5 ms returned sat
[2026-05-25 09:11:41] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 09:11:41] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-25 09:11:41] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2026-05-25 09:11:41] [INFO ] [Nat]Added 27 Read/Feed constraints in 5 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:11:41] [INFO ] Deduced a trap composed of 15 places in 65 ms of which 4 ms to minimize.
[2026-05-25 09:11:41] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 74 ms
[2026-05-25 09:11:41] [INFO ] Computed and/alt/rep : 66/321/61 causal constraints (skipped 89 transitions) in 8 ms.
[2026-05-25 09:11:41] [INFO ] Added : 25 causal constraints over 6 iterations in 67 ms. Result :sat
Minimization took 31 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[7] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[7] Max Struct:[+inf]
Support contains 1 out of 96 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 96/96 places, 236/236 transitions.
Graph (complete) has 408 edges and 96 vertex of which 90 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.0 ms
Discarding 6 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 0 with 10 rules applied. Total rules applied 11 place count 90 transition count 226
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 12 place count 89 transition count 224
Iterating global reduction 1 with 1 rules applied. Total rules applied 13 place count 89 transition count 224
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 14 place count 88 transition count 220
Iterating global reduction 1 with 1 rules applied. Total rules applied 15 place count 88 transition count 220
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 16 place count 87 transition count 218
Iterating global reduction 1 with 1 rules applied. Total rules applied 17 place count 87 transition count 218
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 18 place count 86 transition count 214
Iterating global reduction 1 with 1 rules applied. Total rules applied 19 place count 86 transition count 214
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 20 place count 85 transition count 212
Iterating global reduction 1 with 1 rules applied. Total rules applied 21 place count 85 transition count 212
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 22 place count 84 transition count 210
Iterating global reduction 1 with 1 rules applied. Total rules applied 23 place count 84 transition count 210
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 24 place count 83 transition count 208
Iterating global reduction 1 with 1 rules applied. Total rules applied 25 place count 83 transition count 208
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 26 place count 82 transition count 206
Iterating global reduction 1 with 1 rules applied. Total rules applied 27 place count 82 transition count 206
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 28 place count 81 transition count 204
Iterating global reduction 1 with 1 rules applied. Total rules applied 29 place count 81 transition count 204
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 30 place count 80 transition count 202
Iterating global reduction 1 with 1 rules applied. Total rules applied 31 place count 80 transition count 202
Applied a total of 31 rules in 13 ms. Remains 80 /96 variables (removed 16) and now considering 202/236 (removed 34) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 80/96 places, 202/236 transitions.
[2026-05-25 09:11:41] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
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 25 ms. (steps per millisecond=400 ) properties (out of 1) seen :[2147483647]
Current structural bounds on expressions (after cover walk) : Max Seen:[+inf] Max Struct:[+inf]
[2026-05-25 09:11:41] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
// Phase 1: matrix 124 rows 80 cols
[2026-05-25 09:11:41] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[+inf] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1135 ms. (880 steps per ms)
FORMULA FunctionPointer-PT-b008-UpperBounds-15 +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 )
[2026-05-25 09:11:42] [INFO ] Flatten gal took : 18 ms
[2026-05-25 09:11:42] [INFO ] Flatten gal took : 8 ms
[2026-05-25 09:11:42] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5061334983421960035.gal : 1 ms
[2026-05-25 09:11:42] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2561566085394424427.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality5061334983421960035.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2561566085394424427.prop' '--nowitness' '--gen-order' 'FOLLOW'
ITS runner timed out or was interrupted.

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[] Max Struct:[]
Ending property specific reduction for FunctionPointer-PT-b008-UpperBounds-15 in 1667 ms.
[2026-05-25 09:11:42] [INFO ] Flatten gal took : 12 ms
[2026-05-25 09:11:42] [INFO ] Applying decomposition
[2026-05-25 09:11:42] [INFO ] Flatten gal took : 9 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph10563111229904278189.txt' '-o' '/tmp/graph10563111229904278189.bin' '-w' '/tmp/graph10563111229904278189.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph10563111229904278189.bin' '-l' '-1' '-v' '-w' '/tmp/graph10563111229904278189.weights' '-q' '0' '-e' '0.001'
[2026-05-25 09:11:42] [INFO ] Decomposing Gal with order
[2026-05-25 09:11:42] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 09:11:42] [INFO ] Removed a total of 403 redundant transitions.
[2026-05-25 09:11:42] [INFO ] Flatten gal took : 19 ms
[2026-05-25 09:11:42] [INFO ] Fuse similar labels procedure discarded/fused a total of 110 labels/synchronizations in 6 ms.
[2026-05-25 09:11:42] [INFO ] Time to serialize gal into /tmp/UpperBounds6050123216492897193.gal : 3 ms
[2026-05-25 09:11:42] [INFO ] Time to serialize properties into /tmp/UpperBounds15359256278846355941.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/UpperBounds6050123216492897193.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds15359256278846355941.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...284
Loading property file /tmp/UpperBounds15359256278846355941.prop.
Detected timeout of ITS tools.
[2026-05-25 09:33:51] [INFO ] Flatten gal took : 9 ms
[2026-05-25 09:33:51] [INFO ] Time to serialize gal into /tmp/UpperBounds11690492965926591373.gal : 1 ms
[2026-05-25 09:33:51] [INFO ] Time to serialize properties into /tmp/UpperBounds15368478589573382038.prop : 8 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/UpperBounds11690492965926591373.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds15368478589573382038.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...306
Loading property file /tmp/UpperBounds15368478589573382038.prop.
Detected timeout of ITS tools.
[2026-05-25 09:56:00] [INFO ] Flatten gal took : 14 ms
[2026-05-25 09:56:00] [INFO ] Input system was already deterministic with 236 transitions.
[2026-05-25 09:56:00] [INFO ] Transformed 96 places.
[2026-05-25 09:56:00] [INFO ] Transformed 236 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
[2026-05-25 09:56:00] [INFO ] Time to serialize gal into /tmp/UpperBounds12060930836086944072.gal : 3 ms
[2026-05-25 09:56:00] [INFO ] Time to serialize properties into /tmp/UpperBounds5440643204048028976.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/UpperBounds12060930836086944072.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds5440643204048028976.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_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...350
Successfully loaded order from file /home/mcc/execution/model.ord
Loading property file /tmp/UpperBounds5440643204048028976.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
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /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-b008"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="gold2025"
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 2-5973"
echo " Executing tool gold2025"
echo " Input is FunctionPointer-PT-b008, 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 r159-tall-177961079700010"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FunctionPointer-PT-b008.tgz
mv FunctionPointer-PT-b008 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.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 ;