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-177961079700008.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)
.........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5973
Executing tool gold2025
Input is FunctionPointer-PT-b002, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r159-tall-177961079700008
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 844K
-rw-r--r-- 1 mcc users 7.9K Mar 7 07:27 CTLCardinality.txt
-rw-r--r-- 1 mcc users 86K Mar 7 07:27 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.5K Mar 7 07:27 CTLFireability.txt
-rw-r--r-- 1 mcc users 62K Mar 7 07:27 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K Mar 15 10:22 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 10:22 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 10:23 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 10:23 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 7 07:27 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 120K Mar 7 07:27 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.7K Mar 7 07:27 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 63K Mar 7 07:27 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-b002-UpperBounds-00
FORMULA_NAME FunctionPointer-PT-b002-UpperBounds-01
FORMULA_NAME FunctionPointer-PT-b002-UpperBounds-02
FORMULA_NAME FunctionPointer-PT-b002-UpperBounds-03
FORMULA_NAME FunctionPointer-PT-b002-UpperBounds-04
FORMULA_NAME FunctionPointer-PT-b002-UpperBounds-05
FORMULA_NAME FunctionPointer-PT-b002-UpperBounds-06
FORMULA_NAME FunctionPointer-PT-b002-UpperBounds-07
FORMULA_NAME FunctionPointer-PT-b002-UpperBounds-08
FORMULA_NAME FunctionPointer-PT-b002-UpperBounds-09
FORMULA_NAME FunctionPointer-PT-b002-UpperBounds-10
FORMULA_NAME FunctionPointer-PT-b002-UpperBounds-11
FORMULA_NAME FunctionPointer-PT-b002-UpperBounds-12
FORMULA_NAME FunctionPointer-PT-b002-UpperBounds-13
FORMULA_NAME FunctionPointer-PT-b002-UpperBounds-14
FORMULA_NAME FunctionPointer-PT-b002-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779699866895

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FunctionPointer-PT-b002
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-25 09:04:28] [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 09:04:28] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 09:04:28] [INFO ] Load time of PNML (sax parser for PT used): 109 ms
[2026-05-25 09:04:28] [INFO ] Transformed 306 places.
[2026-05-25 09:04:28] [INFO ] Transformed 840 transitions.
[2026-05-25 09:04:28] [INFO ] Parsed PT model containing 306 places and 840 transitions and 3392 arcs in 198 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 7 ms.
Deduced a syphon composed of 84 places in 6 ms
Reduce places removed 84 places and 192 transitions.
FORMULA FunctionPointer-PT-b002-UpperBounds-00 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-b002-UpperBounds-02 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-b002-UpperBounds-08 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-b002-UpperBounds-10 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-b002-UpperBounds-11 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-b002-UpperBounds-12 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-b002-UpperBounds-14 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+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] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2026-05-25 09:04:28] [INFO ] Flow matrix only has 414 transitions (discarded 234 similar events)
// Phase 1: matrix 414 rows 222 cols
[2026-05-25 09:04:28] [INFO ] Computed 4 invariants in 22 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[2, 1, 1, 2, +inf, +inf, 2, +inf, +inf]
RANDOM walk for 10000 steps (26 resets) in 111 ms. (89 steps per ms)
FORMULA FunctionPointer-PT-b002-UpperBounds-09 2 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FunctionPointer-PT-b002-UpperBounds-05 2 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FunctionPointer-PT-b002-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FunctionPointer-PT-b002-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FunctionPointer-PT-b002-UpperBounds-01 2 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (16 resets) in 48 ms. (816 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3, 5, 17, 3] Max Struct:[+inf, +inf, +inf, +inf]
[2026-05-25 09:04:28] [INFO ] Flow matrix only has 414 transitions (discarded 234 similar events)
[2026-05-25 09:04:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 09:04:29] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2026-05-25 09:04:29] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2026-05-25 09:04:29] [INFO ] [Real]Absence check using state equation in 115 ms returned sat
[2026-05-25 09:04:29] [INFO ] State equation strengthened by 65 read => feed constraints.
[2026-05-25 09:04:29] [INFO ] [Real]Added 65 Read/Feed constraints in 15 ms returned sat
[2026-05-25 09:04:29] [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 09:04:29] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2026-05-25 09:04:29] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2026-05-25 09:04:29] [INFO ] [Nat]Absence check using state equation in 89 ms returned sat
[2026-05-25 09:04:29] [INFO ] [Nat]Added 65 Read/Feed constraints in 15 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:04:29] [INFO ] Deduced a trap composed of 21 places in 131 ms of which 8 ms to minimize.
[2026-05-25 09:04:29] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 176 ms
[2026-05-25 09:04:29] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 49 ms.
[2026-05-25 09:04:29] [INFO ] Added : 1 causal constraints over 1 iterations in 113 ms. Result :sat
Minimization took 77 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 09:04:29] [INFO ] [Real]Absence check using 3 positive place invariants in 8 ms returned sat
[2026-05-25 09:04:29] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2026-05-25 09:04:29] [INFO ] [Real]Absence check using state equation in 71 ms returned sat
[2026-05-25 09:04:29] [INFO ] [Real]Added 65 Read/Feed constraints in 9 ms returned sat
[2026-05-25 09:04:29] [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 09:04:29] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-25 09:04:29] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-25 09:04:30] [INFO ] [Nat]Absence check using state equation in 70 ms returned sat
[2026-05-25 09:04:30] [INFO ] [Nat]Added 65 Read/Feed constraints in 11 ms returned sat
[2026-05-25 09:04:30] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 46 ms.
[2026-05-25 09:04:30] [INFO ] Added : 2 causal constraints over 1 iterations in 89 ms. Result :sat
Minimization took 75 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 09:04:30] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-25 09:04:30] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-25 09:04:30] [INFO ] [Real]Absence check using state equation in 73 ms returned sat
[2026-05-25 09:04:30] [INFO ] [Real]Added 65 Read/Feed constraints in 20 ms returned sat
[2026-05-25 09:04:30] [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 09:04:30] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-25 09:04:30] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-25 09:04:30] [INFO ] [Nat]Absence check using state equation in 81 ms returned sat
[2026-05-25 09:04:30] [INFO ] [Nat]Added 65 Read/Feed constraints in 18 ms returned sat
[2026-05-25 09:04:30] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 40 ms.
[2026-05-25 09:04:30] [INFO ] Added : 3 causal constraints over 1 iterations in 94 ms. Result :sat
Minimization took 82 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 09:04:30] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-25 09:04:30] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2026-05-25 09:04:30] [INFO ] [Real]Absence check using state equation in 79 ms returned sat
[2026-05-25 09:04:30] [INFO ] [Real]Added 65 Read/Feed constraints in 11 ms returned sat
[2026-05-25 09:04:30] [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 09:04:31] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-25 09:04:31] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2026-05-25 09:04:31] [INFO ] [Nat]Absence check using state equation in 84 ms returned sat
[2026-05-25 09:04:31] [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 09:04:31] [INFO ] Deduced a trap composed of 21 places in 150 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:04:31] [INFO ] Deduced a trap composed of 21 places in 117 ms of which 11 ms to minimize.
[2026-05-25 09:04:31] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 317 ms
[2026-05-25 09:04:31] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 36 ms.
[2026-05-25 09:04:31] [INFO ] Added : 2 causal constraints over 1 iterations in 91 ms. Result :sat
Minimization took 80 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3, 5, 17, 3] Max Struct:[+inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3, 5, 17, 3] Max Struct:[+inf, +inf, +inf, +inf]
Support contains 4 out of 222 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 222/222 places, 648/648 transitions.
Graph (complete) has 932 edges and 222 vertex of which 191 are kept as prefixes of interest. Removing 31 places using SCC suffix rule.3 ms
Discarding 31 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 42 transitions
Reduce isomorphic transitions removed 42 transitions.
Iterating post reduction 0 with 42 rules applied. Total rules applied 43 place count 191 transition count 606
Discarding 28 places :
Symmetric choice reduction at 1 with 28 rule applications. Total rules 71 place count 163 transition count 444
Iterating global reduction 1 with 28 rules applied. Total rules applied 99 place count 163 transition count 444
Ensure Unique test removed 28 transitions
Reduce isomorphic transitions removed 28 transitions.
Iterating post reduction 1 with 28 rules applied. Total rules applied 127 place count 163 transition count 416
Discarding 16 places :
Symmetric choice reduction at 2 with 16 rule applications. Total rules 143 place count 147 transition count 384
Iterating global reduction 2 with 16 rules applied. Total rules applied 159 place count 147 transition count 384
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 163 place count 147 transition count 380
Discarding 6 places :
Symmetric choice reduction at 3 with 6 rule applications. Total rules 169 place count 141 transition count 368
Iterating global reduction 3 with 6 rules applied. Total rules applied 175 place count 141 transition count 368
Discarding 6 places :
Symmetric choice reduction at 3 with 6 rule applications. Total rules 181 place count 135 transition count 344
Iterating global reduction 3 with 6 rules applied. Total rules applied 187 place count 135 transition count 344
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 192 place count 130 transition count 334
Iterating global reduction 3 with 5 rules applied. Total rules applied 197 place count 130 transition count 334
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 202 place count 125 transition count 314
Iterating global reduction 3 with 5 rules applied. Total rules applied 207 place count 125 transition count 314
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 212 place count 120 transition count 294
Iterating global reduction 3 with 5 rules applied. Total rules applied 217 place count 120 transition count 294
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 222 place count 115 transition count 284
Iterating global reduction 3 with 5 rules applied. Total rules applied 227 place count 115 transition count 284
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 232 place count 110 transition count 274
Iterating global reduction 3 with 5 rules applied. Total rules applied 237 place count 110 transition count 274
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 242 place count 105 transition count 264
Iterating global reduction 3 with 5 rules applied. Total rules applied 247 place count 105 transition count 264
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 252 place count 100 transition count 254
Iterating global reduction 3 with 5 rules applied. Total rules applied 257 place count 100 transition count 254
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 262 place count 95 transition count 244
Iterating global reduction 3 with 5 rules applied. Total rules applied 267 place count 95 transition count 244
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 3 with 6 rules applied. Total rules applied 273 place count 95 transition count 238
Applied a total of 273 rules in 128 ms. Remains 95 /222 variables (removed 127) and now considering 238/648 (removed 410) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 135 ms. Remains : 95/222 places, 238/648 transitions.
[2026-05-25 09:04:31] [INFO ] Flow matrix only has 151 transitions (discarded 87 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {33=1, 77=1, 127=1, 148=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {27=1, 71=1, 105=1, 145=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 67 ms. (steps per millisecond=149 ) properties (out of 4) seen :[2, 3, 2147483647, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[3, 5, +inf, 3] Max Struct:[+inf, +inf, +inf, +inf]
[2026-05-25 09:04:31] [INFO ] Flow matrix only has 151 transitions (discarded 87 similar events)
// Phase 1: matrix 151 rows 95 cols
[2026-05-25 09:04:31] [INFO ] Computed 2 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[3, 5, +inf, 3] Max Struct:[+inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1337 ms. (747 steps per ms)
FORMULA FunctionPointer-PT-b002-UpperBounds-13 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 3000003 steps (6 resets) in 1285 ms. (2332 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2230, 1662, 3] Max Struct:[+inf, +inf, +inf]
[2026-05-25 09:04:34] [INFO ] Flow matrix only has 151 transitions (discarded 87 similar events)
[2026-05-25 09:04:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:04:34] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 09:04:34] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2026-05-25 09:04:34] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2026-05-25 09:04:34] [INFO ] State equation strengthened by 24 read => feed constraints.
[2026-05-25 09:04:34] [INFO ] [Real]Added 24 Read/Feed constraints in 5 ms returned sat
[2026-05-25 09:04:34] [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 09:04:34] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 09:04:34] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-25 09:04:34] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2026-05-25 09:04:34] [INFO ] [Nat]Added 24 Read/Feed constraints in 3 ms returned sat
[2026-05-25 09:04:34] [INFO ] Computed and/alt/rep : 66/290/61 causal constraints (skipped 88 transitions) in 12 ms.
[2026-05-25 09:04:34] [INFO ] Added : 12 causal constraints over 5 iterations in 73 ms. Result :sat
Minimization took 28 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:04:34] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 09:04:34] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-25 09:04:34] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2026-05-25 09:04:34] [INFO ] [Real]Added 24 Read/Feed constraints in 3 ms returned sat
[2026-05-25 09:04:34] [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 09:04:34] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 09:04:34] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-25 09:04:34] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2026-05-25 09:04:34] [INFO ] [Nat]Added 24 Read/Feed constraints in 5 ms returned sat
[2026-05-25 09:04:34] [INFO ] Computed and/alt/rep : 66/290/61 causal constraints (skipped 88 transitions) in 9 ms.
[2026-05-25 09:04:35] [INFO ] Added : 14 causal constraints over 4 iterations in 64 ms. Result :sat
Minimization took 27 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:04:35] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 09:04:35] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 3 ms returned sat
[2026-05-25 09:04:35] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2026-05-25 09:04:35] [INFO ] [Real]Added 24 Read/Feed constraints in 3 ms returned sat
[2026-05-25 09:04:35] [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 09:04:35] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 09:04:35] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2026-05-25 09:04:35] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2026-05-25 09:04:35] [INFO ] [Nat]Added 24 Read/Feed constraints in 7 ms returned sat
[2026-05-25 09:04:35] [INFO ] Computed and/alt/rep : 66/290/61 causal constraints (skipped 88 transitions) in 10 ms.
[2026-05-25 09:04:35] [INFO ] Added : 7 causal constraints over 2 iterations in 41 ms. Result :sat
Minimization took 23 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2230, 1662, 3] Max Struct:[+inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2230, 1662, 3] Max Struct:[+inf, +inf, +inf]
Support contains 3 out of 95 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 95/95 places, 238/238 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 94 transition count 236
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 94 transition count 236
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 93 transition count 232
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 93 transition count 232
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 92 transition count 230
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 92 transition count 230
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 91 transition count 226
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 91 transition count 226
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 90 transition count 224
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 90 transition count 224
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 11 place count 89 transition count 222
Iterating global reduction 0 with 1 rules applied. Total rules applied 12 place count 89 transition count 222
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 88 transition count 220
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 88 transition count 220
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 15 place count 87 transition count 218
Iterating global reduction 0 with 1 rules applied. Total rules applied 16 place count 87 transition count 218
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 17 place count 86 transition count 216
Iterating global reduction 0 with 1 rules applied. Total rules applied 18 place count 86 transition count 216
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 19 place count 85 transition count 214
Iterating global reduction 0 with 1 rules applied. Total rules applied 20 place count 85 transition count 214
Applied a total of 20 rules in 29 ms. Remains 85 /95 variables (removed 10) and now considering 214/238 (removed 24) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 29 ms. Remains : 85/95 places, 214/238 transitions.
[2026-05-25 09:04:36] [INFO ] Flow matrix only has 133 transitions (discarded 81 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {30=1, 64=1, 95=1, 128=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {28=1, 62=1, 109=1, 131=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 5 resets, run finished after 71 ms. (steps per millisecond=140 ) properties (out of 3) seen :[0, 0, 1]
Current structural bounds on expressions (after cover walk) : Max Seen:[2230, 1662, 3] Max Struct:[+inf, +inf, +inf]
[2026-05-25 09:04:36] [INFO ] Flow matrix only has 133 transitions (discarded 81 similar events)
// Phase 1: matrix 133 rows 85 cols
[2026-05-25 09:04:36] [INFO ] Computed 2 invariants in 6 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2230, 1662, 3] Max Struct:[+inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 978 ms. (1021 steps per ms)
BEST_FIRST walk for 3000003 steps (7 resets) in 1185 ms. (2529 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2230, 3203, 3] Max Struct:[+inf, +inf, +inf]
[2026-05-25 09:04:39] [INFO ] Flow matrix only has 133 transitions (discarded 81 similar events)
[2026-05-25 09:04:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:04:39] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 09:04:39] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-25 09:04:39] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2026-05-25 09:04:39] [INFO ] State equation strengthened by 21 read => feed constraints.
[2026-05-25 09:04:39] [INFO ] [Real]Added 21 Read/Feed constraints in 3 ms returned sat
[2026-05-25 09:04:39] [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 09:04:39] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 09:04:39] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2026-05-25 09:04:39] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2026-05-25 09:04:39] [INFO ] [Nat]Added 21 Read/Feed constraints in 2 ms returned sat
[2026-05-25 09:04:39] [INFO ] Computed and/alt/rep : 61/229/55 causal constraints (skipped 76 transitions) in 11 ms.
[2026-05-25 09:04:39] [INFO ] Added : 10 causal constraints over 4 iterations in 61 ms. Result :sat
Minimization took 21 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:04:39] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2026-05-25 09:04:39] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2026-05-25 09:04:39] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2026-05-25 09:04:39] [INFO ] [Real]Added 21 Read/Feed constraints in 3 ms returned sat
[2026-05-25 09:04:39] [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 09:04:39] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 09:04:39] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-25 09:04:39] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2026-05-25 09:04:39] [INFO ] [Nat]Added 21 Read/Feed constraints in 3 ms returned sat
[2026-05-25 09:04:39] [INFO ] Computed and/alt/rep : 61/229/55 causal constraints (skipped 76 transitions) in 8 ms.
[2026-05-25 09:04:39] [INFO ] Added : 18 causal constraints over 5 iterations in 60 ms. Result :sat
Minimization took 24 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:04:39] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 09:04:39] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-25 09:04:39] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2026-05-25 09:04:39] [INFO ] [Real]Added 21 Read/Feed constraints in 4 ms returned sat
[2026-05-25 09:04:39] [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 09:04:39] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 09:04:39] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-25 09:04:39] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2026-05-25 09:04:39] [INFO ] [Nat]Added 21 Read/Feed constraints in 5 ms returned sat
[2026-05-25 09:04:39] [INFO ] Computed and/alt/rep : 61/229/55 causal constraints (skipped 76 transitions) in 9 ms.
[2026-05-25 09:04:39] [INFO ] Added : 8 causal constraints over 3 iterations in 46 ms. Result :sat
Minimization took 24 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2230, 3203, 3] Max Struct:[+inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2230, 3203, 3] Max Struct:[+inf, +inf, +inf]
Support contains 3 out of 85 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 85/85 places, 214/214 transitions.
Applied a total of 0 rules in 5 ms. Remains 85 /85 variables (removed 0) and now considering 214/214 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 85/85 places, 214/214 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 85/85 places, 214/214 transitions.
Applied a total of 0 rules in 5 ms. Remains 85 /85 variables (removed 0) and now considering 214/214 (removed 0) transitions.
[2026-05-25 09:04:41] [INFO ] Flow matrix only has 133 transitions (discarded 81 similar events)
[2026-05-25 09:04:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 09:04:41] [INFO ] Implicit Places using invariants in 103 ms returned []
[2026-05-25 09:04:41] [INFO ] Flow matrix only has 133 transitions (discarded 81 similar events)
[2026-05-25 09:04:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 09:04:41] [INFO ] State equation strengthened by 21 read => feed constraints.
[2026-05-25 09:04:41] [INFO ] Implicit Places using invariants and state equation in 201 ms returned []
Implicit Place search using SMT with State Equation took 307 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 09:04:41] [INFO ] Redundant transitions in 8 ms returned []
Running 212 sub problems to find dead transitions.
[2026-05-25 09:04:41] [INFO ] Flow matrix only has 133 transitions (discarded 81 similar events)
[2026-05-25 09:04:41] [INFO ] Invariant cache hit.
[2026-05-25 09:04:41] [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) 0/85 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/85 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/85 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 3 (OVERLAPS) 133/218 variables, 85/87 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/218 variables, 21/108 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/218 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 212 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/218 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 212 unsolved
No progress, stopping.
After SMT solving in domain Real declared 218/218 variables, and 108 constraints, problems are : Problem set: 0 solved, 212 unsolved in 5477 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 85/85 constraints, ReadFeed: 21/21 constraints, PredecessorRefiner: 212/212 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 212 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/85 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/85 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/85 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 3 (OVERLAPS) 133/218 variables, 85/87 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/218 variables, 21/108 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/218 variables, 212/320 constraints. Problems are: Problem set: 0 solved, 212 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:04:51] [INFO ] Deduced a trap along path composed of 3 places in 38 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:04:51] [INFO ] Deduced a trap along path composed of 3 places in 43 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:04:51] [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 09:04:51] [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 09:04:51] [INFO ] Deduced a trap along path composed of 3 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:04:51] [INFO ] Deduced a trap along path composed of 3 places in 27 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:04:51] [INFO ] Deduced a trap along path composed of 3 places in 27 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:04:52] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/218 variables, 8/328 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/218 variables, 0/328 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 8 (OVERLAPS) 0/218 variables, 0/328 constraints. Problems are: Problem set: 0 solved, 212 unsolved
No progress, stopping.
After SMT solving in domain Int declared 218/218 variables, and 328 constraints, problems are : Problem set: 0 solved, 212 unsolved in 19909 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 85/85 constraints, ReadFeed: 21/21 constraints, PredecessorRefiner: 212/212 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 8/8 constraints]
After SMT, in 25527ms problems are : Problem set: 0 solved, 212 unsolved
Search for dead transitions found 0 dead transitions in 25538ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25884 ms. Remains : 85/85 places, 214/214 transitions.
[2026-05-25 09:05:07] [INFO ] Flow matrix only has 133 transitions (discarded 81 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {30=1, 64=1, 95=1, 128=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {28=1, 62=1, 109=1, 131=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 29 ms. (steps per millisecond=344 ) properties (out of 3) seen :[0, 0, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[2230, 3203, 3] Max Struct:[+inf, +inf, +inf]
[2026-05-25 09:05:07] [INFO ] Flow matrix only has 133 transitions (discarded 81 similar events)
[2026-05-25 09:05:07] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2230, 3203, 3] Max Struct:[+inf, +inf, +inf]
RANDOM walk for 1000000 steps (3 resets) in 971 ms. (1028 steps per ms)
BEST_FIRST walk for 3000003 steps (7 resets) in 1147 ms. (2613 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2230, 3203, 3] Max Struct:[+inf, +inf, +inf]
[2026-05-25 09:05:09] [INFO ] Flow matrix only has 133 transitions (discarded 81 similar events)
[2026-05-25 09:05:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:05:09] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 09:05:09] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-25 09:05:09] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2026-05-25 09:05:09] [INFO ] State equation strengthened by 21 read => feed constraints.
[2026-05-25 09:05:09] [INFO ] [Real]Added 21 Read/Feed constraints in 3 ms returned sat
[2026-05-25 09:05:09] [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 09:05:09] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 09:05:09] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-25 09:05:09] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2026-05-25 09:05:09] [INFO ] [Nat]Added 21 Read/Feed constraints in 3 ms returned sat
[2026-05-25 09:05:09] [INFO ] Computed and/alt/rep : 61/229/55 causal constraints (skipped 76 transitions) in 5 ms.
[2026-05-25 09:05:09] [INFO ] Added : 10 causal constraints over 4 iterations in 40 ms. Result :sat
Minimization took 21 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:05:09] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 09:05:09] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-25 09:05:09] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2026-05-25 09:05:09] [INFO ] [Real]Added 21 Read/Feed constraints in 3 ms returned sat
[2026-05-25 09:05:09] [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 09:05:09] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 09:05:09] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-25 09:05:09] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2026-05-25 09:05:09] [INFO ] [Nat]Added 21 Read/Feed constraints in 3 ms returned sat
[2026-05-25 09:05:09] [INFO ] Computed and/alt/rep : 61/229/55 causal constraints (skipped 76 transitions) in 5 ms.
[2026-05-25 09:05:10] [INFO ] Added : 18 causal constraints over 5 iterations in 54 ms. Result :sat
Minimization took 23 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:05:10] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2026-05-25 09:05:10] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2026-05-25 09:05:10] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2026-05-25 09:05:10] [INFO ] [Real]Added 21 Read/Feed constraints in 2 ms returned sat
[2026-05-25 09:05:10] [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 09:05:10] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 09:05:10] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-25 09:05:10] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2026-05-25 09:05:10] [INFO ] [Nat]Added 21 Read/Feed constraints in 5 ms returned sat
[2026-05-25 09:05:10] [INFO ] Computed and/alt/rep : 61/229/55 causal constraints (skipped 76 transitions) in 6 ms.
[2026-05-25 09:05:10] [INFO ] Added : 8 causal constraints over 3 iterations in 38 ms. Result :sat
Minimization took 20 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2230, 3203, 3] Max Struct:[+inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2230, 3203, 3] Max Struct:[+inf, +inf, +inf]
Support contains 3 out of 85 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 85/85 places, 214/214 transitions.
Applied a total of 0 rules in 5 ms. Remains 85 /85 variables (removed 0) and now considering 214/214 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 85/85 places, 214/214 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 85/85 places, 214/214 transitions.
Applied a total of 0 rules in 5 ms. Remains 85 /85 variables (removed 0) and now considering 214/214 (removed 0) transitions.
[2026-05-25 09:05:11] [INFO ] Flow matrix only has 133 transitions (discarded 81 similar events)
[2026-05-25 09:05:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 09:05:11] [INFO ] Implicit Places using invariants in 97 ms returned []
[2026-05-25 09:05:11] [INFO ] Flow matrix only has 133 transitions (discarded 81 similar events)
[2026-05-25 09:05:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 09:05:11] [INFO ] State equation strengthened by 21 read => feed constraints.
[2026-05-25 09:05:11] [INFO ] Implicit Places using invariants and state equation in 180 ms returned []
Implicit Place search using SMT with State Equation took 293 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 09:05:11] [INFO ] Redundant transitions in 6 ms returned []
Running 212 sub problems to find dead transitions.
[2026-05-25 09:05:11] [INFO ] Flow matrix only has 133 transitions (discarded 81 similar events)
[2026-05-25 09:05:11] [INFO ] Invariant cache hit.
[2026-05-25 09:05:11] [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) 0/85 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/85 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/85 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 3 (OVERLAPS) 133/218 variables, 85/87 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/218 variables, 21/108 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/218 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 212 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/218 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 212 unsolved
No progress, stopping.
After SMT solving in domain Real declared 218/218 variables, and 108 constraints, problems are : Problem set: 0 solved, 212 unsolved in 5421 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 85/85 constraints, ReadFeed: 21/21 constraints, PredecessorRefiner: 212/212 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 212 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/85 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/85 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/85 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 3 (OVERLAPS) 133/218 variables, 85/87 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/218 variables, 21/108 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/218 variables, 212/320 constraints. Problems are: Problem set: 0 solved, 212 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:05:21] [INFO ] Deduced a trap along path composed of 3 places in 32 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:05:21] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:05:21] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:05:21] [INFO ] Deduced a trap along path composed of 3 places in 19 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:05:21] [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 09:05:21] [INFO ] Deduced a trap along path composed of 3 places in 21 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:05:21] [INFO ] Deduced a trap along path composed of 3 places in 19 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:05:22] [INFO ] Deduced a trap along path composed of 3 places in 25 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/218 variables, 8/328 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/218 variables, 0/328 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 8 (OVERLAPS) 0/218 variables, 0/328 constraints. Problems are: Problem set: 0 solved, 212 unsolved
No progress, stopping.
After SMT solving in domain Int declared 218/218 variables, and 328 constraints, problems are : Problem set: 0 solved, 212 unsolved in 19974 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 85/85 constraints, ReadFeed: 21/21 constraints, PredecessorRefiner: 212/212 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 8/8 constraints]
After SMT, in 25472ms problems are : Problem set: 0 solved, 212 unsolved
Search for dead transitions found 0 dead transitions in 25474ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25785 ms. Remains : 85/85 places, 214/214 transitions.
[2026-05-25 09:05:37] [INFO ] Flow matrix only has 133 transitions (discarded 81 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {30=1, 64=1, 95=1, 128=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {28=1, 62=1, 109=1, 131=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 3 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 3) seen :[2147483647, 2147483647, 2]
Current structural bounds on expressions (after cover walk) : Max Seen:[+inf, +inf, 3] Max Struct:[+inf, +inf, +inf]
[2026-05-25 09:05:37] [INFO ] Flow matrix only has 133 transitions (discarded 81 similar events)
[2026-05-25 09:05:37] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[+inf, +inf, 3] Max Struct:[+inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 950 ms. (1051 steps per ms)
FORMULA FunctionPointer-PT-b002-UpperBounds-07 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FunctionPointer-PT-b002-UpperBounds-06 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 1000001 steps (2 resets) in 379 ms. (2631 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3] Max Struct:[+inf]
[2026-05-25 09:05:38] [INFO ] Flow matrix only has 133 transitions (discarded 81 similar events)
[2026-05-25 09:05:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:05:38] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2026-05-25 09:05:38] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2026-05-25 09:05:38] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2026-05-25 09:05:38] [INFO ] State equation strengthened by 21 read => feed constraints.
[2026-05-25 09:05:38] [INFO ] [Real]Added 21 Read/Feed constraints in 3 ms returned sat
[2026-05-25 09:05:38] [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 09:05:38] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 09:05:38] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-25 09:05:38] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2026-05-25 09:05:38] [INFO ] [Nat]Added 21 Read/Feed constraints in 5 ms returned sat
[2026-05-25 09:05:38] [INFO ] Computed and/alt/rep : 61/229/55 causal constraints (skipped 76 transitions) in 11 ms.
[2026-05-25 09:05:38] [INFO ] Added : 8 causal constraints over 3 iterations in 45 ms. Result :sat
Minimization took 21 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3] Max Struct:[+inf]
Support contains 1 out of 85 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 85/85 places, 214/214 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 83 transition count 210
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 83 transition count 210
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 6 place count 83 transition count 208
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 7 place count 82 transition count 204
Iterating global reduction 1 with 1 rules applied. Total rules applied 8 place count 82 transition count 204
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 9 place count 81 transition count 202
Iterating global reduction 1 with 1 rules applied. Total rules applied 10 place count 81 transition count 202
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 11 place count 80 transition count 200
Iterating global reduction 1 with 1 rules applied. Total rules applied 12 place count 80 transition count 200
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 13 place count 79 transition count 198
Iterating global reduction 1 with 1 rules applied. Total rules applied 14 place count 79 transition count 198
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 15 place count 78 transition count 196
Iterating global reduction 1 with 1 rules applied. Total rules applied 16 place count 78 transition count 196
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 17 place count 77 transition count 194
Iterating global reduction 1 with 1 rules applied. Total rules applied 18 place count 77 transition count 194
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 19 place count 76 transition count 192
Iterating global reduction 1 with 1 rules applied. Total rules applied 20 place count 76 transition count 192
Applied a total of 20 rules in 33 ms. Remains 76 /85 variables (removed 9) and now considering 192/214 (removed 22) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34 ms. Remains : 76/85 places, 192/214 transitions.
[2026-05-25 09:05:39] [INFO ] Flow matrix only has 118 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, 103=1, 116=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {29=1, 54=1, 84=1, 113=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 3 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[3] Max Struct:[+inf]
[2026-05-25 09:05:39] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
// Phase 1: matrix 118 rows 76 cols
[2026-05-25 09:05:39] [INFO ] Computed 2 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[3] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 885 ms. (1128 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 357 ms. (2793 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3] Max Struct:[+inf]
[2026-05-25 09:05:40] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2026-05-25 09:05:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:05:40] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 09:05:40] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2026-05-25 09:05:40] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2026-05-25 09:05:40] [INFO ] State equation strengthened by 18 read => feed constraints.
[2026-05-25 09:05:40] [INFO ] [Real]Added 18 Read/Feed constraints in 4 ms returned sat
[2026-05-25 09:05:40] [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 09:05:40] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 09:05:40] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2026-05-25 09:05:40] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2026-05-25 09:05:40] [INFO ] [Nat]Added 18 Read/Feed constraints in 3 ms returned sat
[2026-05-25 09:05:40] [INFO ] Computed and/alt/rep : 62/198/53 causal constraints (skipped 63 transitions) in 5 ms.
[2026-05-25 09:05:40] [INFO ] Added : 7 causal constraints over 3 iterations in 28 ms. Result :sat
Minimization took 19 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3] Max Struct:[+inf]
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 192/192 transitions.
Applied a total of 0 rules in 6 ms. Remains 76 /76 variables (removed 0) and now considering 192/192 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 76/76 places, 192/192 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 192/192 transitions.
Applied a total of 0 rules in 3 ms. Remains 76 /76 variables (removed 0) and now considering 192/192 (removed 0) transitions.
[2026-05-25 09:05:40] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2026-05-25 09:05:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 09:05:40] [INFO ] Implicit Places using invariants in 52 ms returned []
[2026-05-25 09:05:40] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2026-05-25 09:05:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 09:05:40] [INFO ] State equation strengthened by 18 read => feed constraints.
[2026-05-25 09:05:40] [INFO ] Implicit Places using invariants and state equation in 135 ms returned []
Implicit Place search using SMT with State Equation took 189 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 09:05:40] [INFO ] Redundant transitions in 12 ms returned []
Running 190 sub problems to find dead transitions.
[2026-05-25 09:05:40] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2026-05-25 09:05:40] [INFO ] Invariant cache hit.
[2026-05-25 09:05:40] [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, 1/1 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (OVERLAPS) 118/194 variables, 76/78 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 18/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/194 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Real declared 194/194 variables, and 96 constraints, problems are : Problem set: 0 solved, 190 unsolved in 4523 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 190 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (OVERLAPS) 118/194 variables, 76/78 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 18/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 190/286 constraints. Problems are: Problem set: 0 solved, 190 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:05:48] [INFO ] Deduced a trap along path composed of 3 places in 31 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:05:48] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:05:48] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:05:48] [INFO ] Deduced a trap along path composed of 3 places in 16 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:05:48] [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 09:05:48] [INFO ] Deduced a trap along path composed of 3 places in 21 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:05:48] [INFO ] Deduced a trap along path composed of 3 places in 16 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/194 variables, 7/293 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/194 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 8 (OVERLAPS) 0/194 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Int declared 194/194 variables, and 293 constraints, problems are : Problem set: 0 solved, 190 unsolved in 14447 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 7/7 constraints]
After SMT, in 19026ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 19027ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19237 ms. Remains : 76/76 places, 192/192 transitions.
[2026-05-25 09:05:59] [INFO ] Flow matrix only has 118 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, 103=1, 116=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {29=1, 54=1, 84=1, 113=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 :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[3] Max Struct:[+inf]
RANDOM walk for 40000 steps (8 resets) in 368 ms. (108 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 113 ms. (350 steps per ms) remains 1/1 properties
[2026-05-25 09:06:00] [INFO ] Flatten gal took : 84 ms
[2026-05-25 09:06:00] [INFO ] Flatten gal took : 29 ms
[2026-05-25 09:06:00] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15218968945030149569.gal : 12 ms
[2026-05-25 09:06:00] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6889704556117288610.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/ReachabilityCardinality15218968945030149569.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6889704556117288610.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/ReachabilityCardinality6889704556117288610.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 27
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :27 after 265
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :265 after 662
Invariant property MIN0 does not hold.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 17 fixpoint passes
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,1009,0.064786,5976,2,335,9,8022,6,0,498,3098,0
Total reachable state count : 1009

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

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,1,0.065406,6104,2,77,9,8022,7,0,501,3098,0
ITS tools runner thread asked to quit. Dying gracefully.
Interrupted probabilistic random walk after 1856037 steps, run timeout after 3001 ms. (steps per millisecond=618 ) properties seen :0 out of 1
Probabilistic random walk after 1856037 steps, saw 1110493 distinct states, run finished after 3010 ms. (steps per millisecond=616 ) properties seen :0
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[3] Max Struct:[+inf]
Starting property specific reduction for FunctionPointer-PT-b002-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 09:06:03] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2026-05-25 09:06:03] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (3 resets) in 11 ms. (833 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 5 ms. (1666 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2026-05-25 09:06:03] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2026-05-25 09:06:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 09:06:03] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2026-05-25 09:06:03] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2026-05-25 09:06:03] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2026-05-25 09:06:03] [INFO ] State equation strengthened by 18 read => feed constraints.
[2026-05-25 09:06:03] [INFO ] [Real]Added 18 Read/Feed constraints in 6 ms returned sat
[2026-05-25 09:06:03] [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 09:06:03] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 09:06:03] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2026-05-25 09:06:03] [INFO ] [Nat]Absence check using state equation in 19 ms returned sat
[2026-05-25 09:06:03] [INFO ] [Nat]Added 18 Read/Feed constraints in 5 ms returned sat
[2026-05-25 09:06:03] [INFO ] Computed and/alt/rep : 62/198/53 causal constraints (skipped 63 transitions) in 5 ms.
[2026-05-25 09:06:03] [INFO ] Added : 3 causal constraints over 1 iterations in 22 ms. Result :sat
Minimization took 18 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 192/192 transitions.
Applied a total of 0 rules in 5 ms. Remains 76 /76 variables (removed 0) and now considering 192/192 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 76/76 places, 192/192 transitions.
[2026-05-25 09:06:03] [INFO ] Flow matrix only has 118 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, 103=1, 116=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {29=1, 54=1, 84=1, 113=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 :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[2] Max Struct:[+inf]
[2026-05-25 09:06:03] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2026-05-25 09:06:03] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 943 ms. (1059 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 382 ms. (2610 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2026-05-25 09:06:04] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2026-05-25 09:06:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:06:04] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 09:06:04] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2026-05-25 09:06:04] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2026-05-25 09:06:04] [INFO ] State equation strengthened by 18 read => feed constraints.
[2026-05-25 09:06:04] [INFO ] [Real]Added 18 Read/Feed constraints in 4 ms returned sat
[2026-05-25 09:06:04] [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 09:06:04] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 09:06:04] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2026-05-25 09:06:04] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2026-05-25 09:06:04] [INFO ] [Nat]Added 18 Read/Feed constraints in 4 ms returned sat
[2026-05-25 09:06:04] [INFO ] Computed and/alt/rep : 62/198/53 causal constraints (skipped 63 transitions) in 7 ms.
[2026-05-25 09:06:04] [INFO ] Added : 3 causal constraints over 1 iterations in 32 ms. Result :sat
Minimization took 20 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 192/192 transitions.
Applied a total of 0 rules in 5 ms. Remains 76 /76 variables (removed 0) and now considering 192/192 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 76/76 places, 192/192 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 192/192 transitions.
Applied a total of 0 rules in 4 ms. Remains 76 /76 variables (removed 0) and now considering 192/192 (removed 0) transitions.
[2026-05-25 09:06:04] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2026-05-25 09:06:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 09:06:04] [INFO ] Implicit Places using invariants in 59 ms returned []
[2026-05-25 09:06:04] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2026-05-25 09:06:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 09:06:04] [INFO ] State equation strengthened by 18 read => feed constraints.
[2026-05-25 09:06:05] [INFO ] Implicit Places using invariants and state equation in 148 ms returned []
Implicit Place search using SMT with State Equation took 208 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 09:06:05] [INFO ] Redundant transitions in 5 ms returned []
Running 190 sub problems to find dead transitions.
[2026-05-25 09:06:05] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2026-05-25 09:06:05] [INFO ] Invariant cache hit.
[2026-05-25 09:06:05] [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, 1/1 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (OVERLAPS) 118/194 variables, 76/78 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 18/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/194 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Real declared 194/194 variables, and 96 constraints, problems are : Problem set: 0 solved, 190 unsolved in 4493 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 190 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (OVERLAPS) 118/194 variables, 76/78 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 18/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 190/286 constraints. Problems are: Problem set: 0 solved, 190 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:06:12] [INFO ] Deduced a trap along path composed of 3 places in 35 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:06:12] [INFO ] Deduced a trap along path composed of 3 places in 27 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:06:12] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:06:12] [INFO ] Deduced a trap along path composed of 3 places in 25 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:06:12] [INFO ] Deduced a trap along path composed of 3 places in 19 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:06:12] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:06:13] [INFO ] Deduced a trap along path composed of 3 places in 16 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/194 variables, 7/293 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/194 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 8 (OVERLAPS) 0/194 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Int declared 194/194 variables, and 293 constraints, problems are : Problem set: 0 solved, 190 unsolved in 14185 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 7/7 constraints]
After SMT, in 18726ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 18729ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18959 ms. Remains : 76/76 places, 192/192 transitions.
[2026-05-25 09:06:23] [INFO ] Flow matrix only has 118 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, 103=1, 116=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {29=1, 54=1, 84=1, 113=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 3 resets, run finished after 16 ms. (steps per millisecond=625 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 40001 steps (8 resets) in 114 ms. (347 steps per ms) remains 1/1 properties
[2026-05-25 09:06:23] [INFO ] Flatten gal took : 24 ms
[2026-05-25 09:06:23] [INFO ] Flatten gal took : 22 ms
[2026-05-25 09:06:23] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13471722122016654403.gal : 4 ms
BEST_FIRST walk for 40004 steps (8 resets) in 78 ms. (506 steps per ms) remains 1/1 properties
[2026-05-25 09:06:23] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8529622192194817347.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/ReachabilityCardinality13471722122016654403.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8529622192194817347.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/ReachabilityCardinality8529622192194817347.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 27
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :27 after 265
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :265 after 662
Invariant property MIN0 does not hold.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 17 fixpoint passes
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,1009,0.057629,6124,2,335,9,8022,6,0,498,3098,0
Total reachable state count : 1009

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

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,2,0.058287,6252,2,77,9,8022,7,0,501,3098,0
ITS tools runner thread asked to quit. Dying gracefully.
Interrupted probabilistic random walk after 1964226 steps, run timeout after 3001 ms. (steps per millisecond=654 ) properties seen :0 out of 1
Probabilistic random walk after 1964226 steps, saw 1173193 distinct states, run finished after 3001 ms. (steps per millisecond=654 ) properties seen :0
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b002-UpperBounds-15 in 23902 ms.
[2026-05-25 09:06:26] [INFO ] Flatten gal took : 11 ms
[2026-05-25 09:06:26] [INFO ] Applying decomposition
[2026-05-25 09:06:26] [INFO ] Flatten gal took : 10 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph4288876159390220350.txt' '-o' '/tmp/graph4288876159390220350.bin' '-w' '/tmp/graph4288876159390220350.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph4288876159390220350.bin' '-l' '-1' '-v' '-w' '/tmp/graph4288876159390220350.weights' '-q' '0' '-e' '0.001'
[2026-05-25 09:06:27] [INFO ] Decomposing Gal with order
[2026-05-25 09:06:27] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 09:06:27] [INFO ] Removed a total of 324 redundant transitions.
[2026-05-25 09:06:27] [INFO ] Flatten gal took : 46 ms
[2026-05-25 09:06:27] [INFO ] Fuse similar labels procedure discarded/fused a total of 92 labels/synchronizations in 10 ms.
[2026-05-25 09:06:27] [INFO ] Time to serialize gal into /tmp/UpperBounds11167528372734916426.gal : 3 ms
[2026-05-25 09:06:27] [INFO ] Time to serialize properties into /tmp/UpperBounds9709259865332869894.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/UpperBounds11167528372734916426.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds9709259865332869894.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/UpperBounds9709259865332869894.prop.
Detected timeout of ITS tools.
[2026-05-25 09:27:06] [INFO ] Flatten gal took : 11 ms
[2026-05-25 09:27:06] [INFO ] Time to serialize gal into /tmp/UpperBounds10787397439827683759.gal : 2 ms
[2026-05-25 09:27:06] [INFO ] Time to serialize properties into /tmp/UpperBounds3851438003006032539.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/UpperBounds10787397439827683759.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds3851438003006032539.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 ...305
Loading property file /tmp/UpperBounds3851438003006032539.prop.
Detected timeout of ITS tools.
[2026-05-25 09:47:45] [INFO ] Flatten gal took : 12 ms
[2026-05-25 09:47:45] [INFO ] Input system was already deterministic with 192 transitions.
[2026-05-25 09:47:45] [INFO ] Transformed 76 places.
[2026-05-25 09:47:45] [INFO ] Transformed 192 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 09:47:46] [INFO ] Time to serialize gal into /tmp/UpperBounds398202936614093361.gal : 2 ms
[2026-05-25 09:47:46] [INFO ] Time to serialize properties into /tmp/UpperBounds2032964445367446912.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/UpperBounds398202936614093361.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds2032964445367446912.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 ...348
Successfully loaded order from file /home/mcc/execution/model.ord
Loading property file /tmp/UpperBounds2032964445367446912.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-b002"
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-b002, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r159-tall-177961079700008"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

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

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "UpperBounds.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 ;