About the Execution of ITS-Tools for FunctionPointer-PT-b032
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 0.000 | 3600000.00 | 0.00 | 0.00 | 1 inf ? ? ? 0 0 0 ? ? 1 0 inf 32 ? inf | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r100-smll-174867007400093.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is FunctionPointer-PT-b032, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r100-smll-174867007400093
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 848K
-rw-r--r-- 1 mcc users 7.4K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 80K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.3K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 61K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 138K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.6K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 51K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.1K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 5 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 391K May 29 14:32 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-b032-UpperBounds-00
FORMULA_NAME FunctionPointer-PT-b032-UpperBounds-01
FORMULA_NAME FunctionPointer-PT-b032-UpperBounds-02
FORMULA_NAME FunctionPointer-PT-b032-UpperBounds-03
FORMULA_NAME FunctionPointer-PT-b032-UpperBounds-04
FORMULA_NAME FunctionPointer-PT-b032-UpperBounds-05
FORMULA_NAME FunctionPointer-PT-b032-UpperBounds-06
FORMULA_NAME FunctionPointer-PT-b032-UpperBounds-07
FORMULA_NAME FunctionPointer-PT-b032-UpperBounds-08
FORMULA_NAME FunctionPointer-PT-b032-UpperBounds-09
FORMULA_NAME FunctionPointer-PT-b032-UpperBounds-10
FORMULA_NAME FunctionPointer-PT-b032-UpperBounds-11
FORMULA_NAME FunctionPointer-PT-b032-UpperBounds-12
FORMULA_NAME FunctionPointer-PT-b032-UpperBounds-13
FORMULA_NAME FunctionPointer-PT-b032-UpperBounds-14
FORMULA_NAME FunctionPointer-PT-b032-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1748784523045
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FunctionPointer-PT-b032
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2025-06-01 13:28:45] [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]
[2025-06-01 13:28:45] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-01 13:28:46] [INFO ] Load time of PNML (sax parser for PT used): 325 ms
[2025-06-01 13:28:46] [INFO ] Transformed 306 places.
[2025-06-01 13:28:46] [INFO ] Transformed 840 transitions.
[2025-06-01 13:28:46] [INFO ] Parsed PT model containing 306 places and 840 transitions and 3392 arcs in 565 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 17 ms.
Reduction of identical properties reduced properties to check from 16 to 15
Deduced a syphon composed of 84 places in 12 ms
Reduce places removed 84 places and 192 transitions.
FORMULA FunctionPointer-PT-b032-UpperBounds-05 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-b032-UpperBounds-06 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-b032-UpperBounds-07 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-b032-UpperBounds-11 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 13:28:46] [INFO ] Flow matrix only has 414 transitions (discarded 234 similar events)
// Phase 1: matrix 414 rows 222 cols
[2025-06-01 13:28:46] [INFO ] Computed 4 invariants in 47 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, +inf, +inf, +inf, +inf, +inf, +inf, 1, 32, +inf, +inf]
RANDOM walk for 10000 steps (6 resets) in 96 ms. (103 steps per ms)
FORMULA FunctionPointer-PT-b032-UpperBounds-13 32 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FunctionPointer-PT-b032-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FunctionPointer-PT-b032-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 80008 steps (46 resets) in 200 ms. (398 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3, 1, 1, 6, 8, 1, 5, 24] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 13:28:46] [INFO ] Flow matrix only has 414 transitions (discarded 234 similar events)
[2025-06-01 13:28:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 13:28:47] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 13:28:47] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:28:47] [INFO ] [Real]Absence check using state equation in 371 ms returned sat
[2025-06-01 13:28:47] [INFO ] State equation strengthened by 65 read => feed constraints.
[2025-06-01 13:28:47] [INFO ] [Real]Added 65 Read/Feed constraints in 33 ms returned sat
[2025-06-01 13:28:47] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 13:28:48] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 13:28:48] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:28:48] [INFO ] [Nat]Absence check using state equation in 296 ms returned sat
[2025-06-01 13:28:48] [INFO ] [Nat]Added 65 Read/Feed constraints in 40 ms returned sat
[2025-06-01 13:28:48] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 156 ms.
[2025-06-01 13:28:48] [INFO ] Added : 1 causal constraints over 1 iterations in 285 ms. Result :sat
Minimization took 173 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 13:28:49] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 13:28:49] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:28:49] [INFO ] [Real]Absence check using state equation in 250 ms returned sat
[2025-06-01 13:28:49] [INFO ] [Real]Added 65 Read/Feed constraints in 23 ms returned sat
[2025-06-01 13:28:49] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 13:28:49] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 13:28:49] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:28:49] [INFO ] [Nat]Absence check using state equation in 225 ms returned sat
[2025-06-01 13:28:49] [INFO ] [Nat]Added 65 Read/Feed constraints in 29 ms returned sat
[2025-06-01 13:28:49] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 124 ms.
[2025-06-01 13:28:50] [INFO ] Added : 2 causal constraints over 1 iterations in 232 ms. Result :sat
Minimization took 166 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 13:28:50] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 13:28:50] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:28:50] [INFO ] [Real]Absence check using state equation in 244 ms returned sat
[2025-06-01 13:28:50] [INFO ] [Real]Added 65 Read/Feed constraints in 35 ms returned sat
[2025-06-01 13:28:50] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 13:28:50] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 13:28:50] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-01 13:28:51] [INFO ] [Nat]Absence check using state equation in 240 ms returned sat
[2025-06-01 13:28:51] [INFO ] [Nat]Added 65 Read/Feed constraints in 22 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:28:51] [INFO ] Deduced a trap composed of 21 places in 363 ms of which 18 ms to minimize.
[2025-06-01 13:28:51] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 422 ms
[2025-06-01 13:28:51] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 84 ms.
[2025-06-01 13:28:51] [INFO ] Added : 4 causal constraints over 2 iterations in 235 ms. Result :sat
Minimization took 165 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 13:28:52] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 13:28:52] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:28:52] [INFO ] [Real]Absence check using state equation in 271 ms returned sat
[2025-06-01 13:28:52] [INFO ] [Real]Added 65 Read/Feed constraints in 27 ms returned sat
[2025-06-01 13:28:52] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 13:28:52] [INFO ] [Nat]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-01 13:28:52] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:28:52] [INFO ] [Nat]Absence check using state equation in 209 ms returned sat
[2025-06-01 13:28:52] [INFO ] [Nat]Added 65 Read/Feed constraints in 22 ms returned sat
[2025-06-01 13:28:52] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 88 ms.
[2025-06-01 13:28:52] [INFO ] Added : 2 causal constraints over 1 iterations in 189 ms. Result :sat
Minimization took 161 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 13:28:53] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 13:28:53] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:28:53] [INFO ] [Real]Absence check using state equation in 236 ms returned sat
[2025-06-01 13:28:53] [INFO ] [Real]Added 65 Read/Feed constraints in 24 ms returned sat
[2025-06-01 13:28:53] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 13:28:53] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 13:28:53] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 9 ms returned sat
[2025-06-01 13:28:53] [INFO ] [Nat]Absence check using state equation in 208 ms returned sat
[2025-06-01 13:28:53] [INFO ] [Nat]Added 65 Read/Feed constraints in 19 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:28:54] [INFO ] Deduced a trap composed of 21 places in 225 ms of which 9 ms to minimize.
[2025-06-01 13:28:54] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 266 ms
[2025-06-01 13:28:54] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 53 ms.
[2025-06-01 13:28:54] [INFO ] Added : 1 causal constraints over 1 iterations in 118 ms. Result :sat
Minimization took 101 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 13:28:54] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 13:28:54] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:28:54] [INFO ] [Real]Absence check using state equation in 194 ms returned sat
[2025-06-01 13:28:54] [INFO ] [Real]Added 65 Read/Feed constraints in 21 ms returned sat
[2025-06-01 13:28:54] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 13:28:54] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2025-06-01 13:28:54] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-01 13:28:54] [INFO ] [Nat]Absence check using state equation in 201 ms returned sat
[2025-06-01 13:28:55] [INFO ] [Nat]Added 65 Read/Feed constraints in 27 ms returned sat
[2025-06-01 13:28:55] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 64 ms.
[2025-06-01 13:28:55] [INFO ] Added : 2 causal constraints over 1 iterations in 167 ms. Result :sat
Minimization took 158 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 13:28:55] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 13:28:55] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:28:55] [INFO ] [Real]Absence check using state equation in 215 ms returned sat
[2025-06-01 13:28:55] [INFO ] [Real]Added 65 Read/Feed constraints in 23 ms returned sat
[2025-06-01 13:28:55] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 13:28:55] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 13:28:55] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:28:56] [INFO ] [Nat]Absence check using state equation in 160 ms returned sat
[2025-06-01 13:28:56] [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
[2025-06-01 13:28:56] [INFO ] Deduced a trap composed of 21 places in 202 ms of which 8 ms to minimize.
[2025-06-01 13:28:56] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 234 ms
[2025-06-01 13:28:56] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 41 ms.
[2025-06-01 13:28:56] [INFO ] Added : 1 causal constraints over 1 iterations in 100 ms. Result :sat
Minimization took 104 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 13:28:56] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 13:28:56] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 3 ms returned sat
[2025-06-01 13:28:56] [INFO ] [Real]Absence check using state equation in 138 ms returned sat
[2025-06-01 13:28:56] [INFO ] [Real]Added 65 Read/Feed constraints in 12 ms returned sat
[2025-06-01 13:28:56] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 13:28:56] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:28:56] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:28:56] [INFO ] [Nat]Absence check using state equation in 135 ms returned sat
[2025-06-01 13:28:56] [INFO ] [Nat]Added 65 Read/Feed constraints in 15 ms returned sat
[2025-06-01 13:28:57] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 53 ms.
[2025-06-01 13:28:57] [INFO ] Added : 1 causal constraints over 1 iterations in 150 ms. Result :sat
Minimization took 159 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3, 1, 1, 6, 8, 1, 5, 24] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3, 1, 1, 6, 8, 1, 5, 24] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 8 out of 222 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 222/222 places, 648/648 transitions.
Graph (complete) has 932 edges and 222 vertex of which 189 are kept as prefixes of interest. Removing 33 places using SCC suffix rule.6 ms
Discarding 33 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 48 transitions
Reduce isomorphic transitions removed 48 transitions.
Iterating post reduction 0 with 48 rules applied. Total rules applied 49 place count 189 transition count 600
Discarding 27 places :
Symmetric choice reduction at 1 with 27 rule applications. Total rules 76 place count 162 transition count 454
Iterating global reduction 1 with 27 rules applied. Total rules applied 103 place count 162 transition count 454
Ensure Unique test removed 40 transitions
Reduce isomorphic transitions removed 40 transitions.
Iterating post reduction 1 with 40 rules applied. Total rules applied 143 place count 162 transition count 414
Discarding 14 places :
Symmetric choice reduction at 2 with 14 rule applications. Total rules 157 place count 148 transition count 386
Iterating global reduction 2 with 14 rules applied. Total rules applied 171 place count 148 transition count 386
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 2 with 8 rules applied. Total rules applied 179 place count 148 transition count 378
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 184 place count 143 transition count 368
Iterating global reduction 3 with 5 rules applied. Total rules applied 189 place count 143 transition count 368
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 193 place count 139 transition count 352
Iterating global reduction 3 with 4 rules applied. Total rules applied 197 place count 139 transition count 352
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 201 place count 135 transition count 344
Iterating global reduction 3 with 4 rules applied. Total rules applied 205 place count 135 transition count 344
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 208 place count 132 transition count 332
Iterating global reduction 3 with 3 rules applied. Total rules applied 211 place count 132 transition count 332
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 213 place count 130 transition count 324
Iterating global reduction 3 with 2 rules applied. Total rules applied 215 place count 130 transition count 324
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 217 place count 128 transition count 320
Iterating global reduction 3 with 2 rules applied. Total rules applied 219 place count 128 transition count 320
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 221 place count 126 transition count 316
Iterating global reduction 3 with 2 rules applied. Total rules applied 223 place count 126 transition count 316
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 225 place count 124 transition count 312
Iterating global reduction 3 with 2 rules applied. Total rules applied 227 place count 124 transition count 312
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 229 place count 122 transition count 308
Iterating global reduction 3 with 2 rules applied. Total rules applied 231 place count 122 transition count 308
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 232 place count 121 transition count 306
Iterating global reduction 3 with 1 rules applied. Total rules applied 233 place count 121 transition count 306
Drop transitions (Redundant composition of simpler transitions.) removed 12 transitions
Redundant transition composition rules discarded 12 transitions
Iterating global reduction 3 with 12 rules applied. Total rules applied 245 place count 121 transition count 294
Applied a total of 245 rules in 315 ms. Remains 121 /222 variables (removed 101) and now considering 294/648 (removed 354) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 329 ms. Remains : 121/222 places, 294/648 transitions.
[2025-06-01 13:28:57] [INFO ] Flow matrix only has 194 transitions (discarded 100 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {25=1, 34=1, 92=1, 147=1, 189=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {31=1, 98=1, 153=1, 189=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 227 ms. (steps per millisecond=44 ) properties (out of 8) seen :[11, 4, 14, 8, 10, 4, 2, 5]
Current structural bounds on expressions (after cover walk) : Max Seen:[11, 4, 14, 8, 10, 4, 5, 24] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 13:28:58] [INFO ] Flow matrix only has 194 transitions (discarded 100 similar events)
// Phase 1: matrix 194 rows 121 cols
[2025-06-01 13:28:58] [INFO ] Computed 3 invariants in 5 ms
Current structural bounds on expressions (after invariants) : Max Seen:[11, 4, 14, 8, 10, 4, 5, 24] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000003 steps (2 resets) in 2305 ms. (433 steps per ms)
BEST_FIRST walk for 8000008 steps (16 resets) in 8414 ms. (950 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[525, 58, 75, 102, 205, 56, 43, 538] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 13:29:08] [INFO ] Flow matrix only has 194 transitions (discarded 100 similar events)
[2025-06-01 13:29:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:29:08] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 13:29:08] [INFO ] [Real]Absence check using state equation in 67 ms returned sat
[2025-06-01 13:29:08] [INFO ] State equation strengthened by 33 read => feed constraints.
[2025-06-01 13:29:08] [INFO ] [Real]Added 33 Read/Feed constraints in 9 ms returned sat
[2025-06-01 13:29:08] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:29:08] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:29:09] [INFO ] [Nat]Absence check using state equation in 104 ms returned sat
[2025-06-01 13:29:09] [INFO ] [Nat]Added 33 Read/Feed constraints in 15 ms returned sat
[2025-06-01 13:29:09] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 24 ms.
[2025-06-01 13:29:09] [INFO ] Added : 5 causal constraints over 3 iterations in 122 ms. Result :sat
Minimization took 73 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:29:09] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:29:09] [INFO ] [Real]Absence check using state equation in 107 ms returned sat
[2025-06-01 13:29:09] [INFO ] [Real]Added 33 Read/Feed constraints in 12 ms returned sat
[2025-06-01 13:29:09] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:29:09] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:29:09] [INFO ] [Nat]Absence check using state equation in 106 ms returned sat
[2025-06-01 13:29:09] [INFO ] [Nat]Added 33 Read/Feed constraints in 32 ms returned sat
[2025-06-01 13:29:09] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 56 ms.
[2025-06-01 13:29:09] [INFO ] Added : 9 causal constraints over 3 iterations in 180 ms. Result :sat
Minimization took 78 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:29:10] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:29:10] [INFO ] [Real]Absence check using state equation in 107 ms returned sat
[2025-06-01 13:29:10] [INFO ] [Real]Added 33 Read/Feed constraints in 13 ms returned sat
[2025-06-01 13:29:10] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:29:10] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:29:10] [INFO ] [Nat]Absence check using state equation in 106 ms returned sat
[2025-06-01 13:29:10] [INFO ] [Nat]Added 33 Read/Feed constraints in 13 ms returned sat
[2025-06-01 13:29:10] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 24 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:29:10] [INFO ] Deduced a trap composed of 19 places in 175 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:29:10] [INFO ] Deduced a trap composed of 20 places in 172 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:29:11] [INFO ] Deduced a trap composed of 20 places in 169 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:29:11] [INFO ] Deduced a trap composed of 20 places in 177 ms of which 15 ms to minimize.
[2025-06-01 13:29:11] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 786 ms
[2025-06-01 13:29:11] [INFO ] Added : 15 causal constraints over 4 iterations in 952 ms. Result :sat
Minimization took 75 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:29:11] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:29:11] [INFO ] [Real]Absence check using state equation in 103 ms returned sat
[2025-06-01 13:29:11] [INFO ] [Real]Added 33 Read/Feed constraints in 17 ms returned sat
[2025-06-01 13:29:11] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:29:11] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2025-06-01 13:29:11] [INFO ] [Nat]Absence check using state equation in 104 ms returned sat
[2025-06-01 13:29:11] [INFO ] [Nat]Added 33 Read/Feed constraints in 18 ms returned sat
[2025-06-01 13:29:11] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 24 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:29:12] [INFO ] Deduced a trap composed of 19 places in 172 ms of which 19 ms to minimize.
[2025-06-01 13:29:12] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 207 ms
[2025-06-01 13:29:12] [INFO ] Added : 6 causal constraints over 3 iterations in 337 ms. Result :sat
Minimization took 73 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:29:12] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2025-06-01 13:29:12] [INFO ] [Real]Absence check using state equation in 107 ms returned sat
[2025-06-01 13:29:12] [INFO ] [Real]Added 33 Read/Feed constraints in 14 ms returned sat
[2025-06-01 13:29:12] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:29:12] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:29:12] [INFO ] [Nat]Absence check using state equation in 110 ms returned sat
[2025-06-01 13:29:12] [INFO ] [Nat]Added 33 Read/Feed constraints in 12 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:29:12] [INFO ] Deduced a trap composed of 19 places in 172 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:29:13] [INFO ] Deduced a trap composed of 19 places in 163 ms of which 9 ms to minimize.
[2025-06-01 13:29:13] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 376 ms
[2025-06-01 13:29:13] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 19 ms.
[2025-06-01 13:29:13] [INFO ] Added : 23 causal constraints over 7 iterations in 199 ms. Result :sat
Minimization took 90 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:29:13] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:29:13] [INFO ] [Real]Absence check using state equation in 107 ms returned sat
[2025-06-01 13:29:13] [INFO ] [Real]Added 33 Read/Feed constraints in 11 ms returned sat
[2025-06-01 13:29:13] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:29:13] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:29:13] [INFO ] [Nat]Absence check using state equation in 105 ms returned sat
[2025-06-01 13:29:13] [INFO ] [Nat]Added 33 Read/Feed constraints in 14 ms returned sat
[2025-06-01 13:29:13] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 23 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:29:13] [INFO ] Deduced a trap composed of 19 places in 146 ms of which 8 ms to minimize.
[2025-06-01 13:29:14] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 178 ms
[2025-06-01 13:29:14] [INFO ] Added : 5 causal constraints over 2 iterations in 287 ms. Result :sat
Minimization took 71 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:29:14] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:29:14] [INFO ] [Real]Absence check using state equation in 101 ms returned sat
[2025-06-01 13:29:14] [INFO ] [Real]Added 33 Read/Feed constraints in 14 ms returned sat
[2025-06-01 13:29:14] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:29:14] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:29:14] [INFO ] [Nat]Absence check using state equation in 102 ms returned sat
[2025-06-01 13:29:14] [INFO ] [Nat]Added 33 Read/Feed constraints in 14 ms returned sat
[2025-06-01 13:29:14] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 23 ms.
[2025-06-01 13:29:14] [INFO ] Added : 13 causal constraints over 5 iterations in 163 ms. Result :sat
Minimization took 81 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:29:14] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:29:14] [INFO ] [Real]Absence check using state equation in 106 ms returned sat
[2025-06-01 13:29:14] [INFO ] [Real]Added 33 Read/Feed constraints in 13 ms returned sat
[2025-06-01 13:29:14] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:29:15] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:29:15] [INFO ] [Nat]Absence check using state equation in 120 ms returned sat
[2025-06-01 13:29:15] [INFO ] [Nat]Added 33 Read/Feed constraints in 12 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:29:15] [INFO ] Deduced a trap composed of 19 places in 185 ms of which 15 ms to minimize.
[2025-06-01 13:29:15] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 210 ms
[2025-06-01 13:29:15] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 23 ms.
[2025-06-01 13:29:15] [INFO ] Added : 12 causal constraints over 5 iterations in 162 ms. Result :sat
Minimization took 92 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[525, 58, 75, 102, 205, 56, 43, 538] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[525, 58, 429, 102, 205, 56, 43, 538] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 8 out of 121 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 121/121 places, 294/294 transitions.
Applied a total of 0 rules in 12 ms. Remains 121 /121 variables (removed 0) and now considering 294/294 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 121/121 places, 294/294 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 121/121 places, 294/294 transitions.
Applied a total of 0 rules in 12 ms. Remains 121 /121 variables (removed 0) and now considering 294/294 (removed 0) transitions.
[2025-06-01 13:29:17] [INFO ] Flow matrix only has 194 transitions (discarded 100 similar events)
[2025-06-01 13:29:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:29:17] [INFO ] Implicit Places using invariants in 244 ms returned []
[2025-06-01 13:29:17] [INFO ] Flow matrix only has 194 transitions (discarded 100 similar events)
[2025-06-01 13:29:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:29:17] [INFO ] State equation strengthened by 33 read => feed constraints.
[2025-06-01 13:29:17] [INFO ] Implicit Places using invariants and state equation in 372 ms returned []
Implicit Place search using SMT with State Equation took 617 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 13:29:17] [INFO ] Redundant transitions in 19 ms returned []
Running 292 sub problems to find dead transitions.
[2025-06-01 13:29:17] [INFO ] Flow matrix only has 194 transitions (discarded 100 similar events)
[2025-06-01 13:29:17] [INFO ] Invariant cache hit.
[2025-06-01 13:29:17] [INFO ] State equation strengthened by 33 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/120 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/120 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 2 (OVERLAPS) 194/314 variables, 120/123 constraints. Problems are: Problem set: 0 solved, 292 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/314 variables, 33/156 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/314 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 5 (OVERLAPS) 1/315 variables, 1/157 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/315 variables, 0/157 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 7 (OVERLAPS) 0/315 variables, 0/157 constraints. Problems are: Problem set: 0 solved, 292 unsolved
No progress, stopping.
After SMT solving in domain Real declared 315/315 variables, and 157 constraints, problems are : Problem set: 0 solved, 292 unsolved in 14277 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 121/121 constraints, ReadFeed: 33/33 constraints, PredecessorRefiner: 292/292 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/120 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/120 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 2 (OVERLAPS) 194/314 variables, 120/123 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/314 variables, 33/156 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/314 variables, 32/188 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:29:43] [INFO ] Deduced a trap along path composed of 3 places in 40 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:29:43] [INFO ] Deduced a trap along path composed of 3 places in 42 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:29:43] [INFO ] Deduced a trap along path composed of 3 places in 34 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/314 variables, 3/191 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/314 variables, 0/191 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 7 (OVERLAPS) 1/315 variables, 1/192 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/315 variables, 260/452 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 315/315 variables, and 452 constraints, problems are : Problem set: 0 solved, 292 unsolved in 30040 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 121/121 constraints, ReadFeed: 33/33 constraints, PredecessorRefiner: 292/292 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 44798ms problems are : Problem set: 0 solved, 292 unsolved
Search for dead transitions found 0 dead transitions in 44812ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 45485 ms. Remains : 121/121 places, 294/294 transitions.
[2025-06-01 13:30:02] [INFO ] Flow matrix only has 194 transitions (discarded 100 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {25=1, 34=1, 92=1, 147=1, 189=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {31=1, 98=1, 153=1, 189=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 180 ms. (steps per millisecond=55 ) properties (out of 8) seen :[8, 3, 14, 5, 8, 4, 3, 6]
Current structural bounds on expressions (after cover walk) : Max Seen:[525, 58, 429, 102, 205, 56, 43, 538] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 13:30:03] [INFO ] Flow matrix only has 194 transitions (discarded 100 similar events)
[2025-06-01 13:30:03] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[525, 58, 429, 102, 205, 56, 43, 538] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1504 ms. (664 steps per ms)
BEST_FIRST walk for 8000008 steps (16 resets) in 9300 ms. (860 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[525, 58, 429, 113, 205, 56, 50, 538] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 13:30:13] [INFO ] Flow matrix only has 194 transitions (discarded 100 similar events)
[2025-06-01 13:30:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:30:14] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:30:14] [INFO ] [Real]Absence check using state equation in 109 ms returned sat
[2025-06-01 13:30:14] [INFO ] State equation strengthened by 33 read => feed constraints.
[2025-06-01 13:30:14] [INFO ] [Real]Added 33 Read/Feed constraints in 13 ms returned sat
[2025-06-01 13:30:14] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:30:14] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:30:14] [INFO ] [Nat]Absence check using state equation in 103 ms returned sat
[2025-06-01 13:30:14] [INFO ] [Nat]Added 33 Read/Feed constraints in 16 ms returned sat
[2025-06-01 13:30:14] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 24 ms.
[2025-06-01 13:30:14] [INFO ] Added : 5 causal constraints over 3 iterations in 112 ms. Result :sat
Minimization took 74 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:30:14] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:30:14] [INFO ] [Real]Absence check using state equation in 111 ms returned sat
[2025-06-01 13:30:14] [INFO ] [Real]Added 33 Read/Feed constraints in 13 ms returned sat
[2025-06-01 13:30:14] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:30:14] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2025-06-01 13:30:14] [INFO ] [Nat]Absence check using state equation in 109 ms returned sat
[2025-06-01 13:30:14] [INFO ] [Nat]Added 33 Read/Feed constraints in 15 ms returned sat
[2025-06-01 13:30:14] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 25 ms.
[2025-06-01 13:30:15] [INFO ] Added : 9 causal constraints over 3 iterations in 121 ms. Result :sat
Minimization took 72 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:30:15] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:30:15] [INFO ] [Real]Absence check using state equation in 132 ms returned sat
[2025-06-01 13:30:15] [INFO ] [Real]Added 33 Read/Feed constraints in 14 ms returned sat
[2025-06-01 13:30:15] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:30:15] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:30:15] [INFO ] [Nat]Absence check using state equation in 107 ms returned sat
[2025-06-01 13:30:15] [INFO ] [Nat]Added 33 Read/Feed constraints in 15 ms returned sat
[2025-06-01 13:30:15] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 23 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:30:15] [INFO ] Deduced a trap composed of 19 places in 190 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:30:16] [INFO ] Deduced a trap composed of 20 places in 174 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:30:16] [INFO ] Deduced a trap composed of 20 places in 178 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:30:16] [INFO ] Deduced a trap composed of 20 places in 174 ms of which 16 ms to minimize.
[2025-06-01 13:30:16] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 818 ms
[2025-06-01 13:30:16] [INFO ] Added : 15 causal constraints over 4 iterations in 984 ms. Result :sat
Minimization took 78 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:30:16] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2025-06-01 13:30:16] [INFO ] [Real]Absence check using state equation in 109 ms returned sat
[2025-06-01 13:30:16] [INFO ] [Real]Added 33 Read/Feed constraints in 15 ms returned sat
[2025-06-01 13:30:16] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:30:16] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:30:17] [INFO ] [Nat]Absence check using state equation in 108 ms returned sat
[2025-06-01 13:30:17] [INFO ] [Nat]Added 33 Read/Feed constraints in 17 ms returned sat
[2025-06-01 13:30:17] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 26 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:30:17] [INFO ] Deduced a trap composed of 19 places in 181 ms of which 19 ms to minimize.
[2025-06-01 13:30:17] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 213 ms
[2025-06-01 13:30:17] [INFO ] Added : 6 causal constraints over 3 iterations in 345 ms. Result :sat
Minimization took 75 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:30:17] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:30:17] [INFO ] [Real]Absence check using state equation in 105 ms returned sat
[2025-06-01 13:30:17] [INFO ] [Real]Added 33 Read/Feed constraints in 16 ms returned sat
[2025-06-01 13:30:17] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:30:17] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:30:17] [INFO ] [Nat]Absence check using state equation in 108 ms returned sat
[2025-06-01 13:30:17] [INFO ] [Nat]Added 33 Read/Feed constraints in 11 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:30:18] [INFO ] Deduced a trap composed of 19 places in 172 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:30:18] [INFO ] Deduced a trap composed of 19 places in 173 ms of which 9 ms to minimize.
[2025-06-01 13:30:18] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 390 ms
[2025-06-01 13:30:18] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 20 ms.
[2025-06-01 13:30:18] [INFO ] Added : 23 causal constraints over 7 iterations in 200 ms. Result :sat
Minimization took 85 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:30:18] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:30:18] [INFO ] [Real]Absence check using state equation in 111 ms returned sat
[2025-06-01 13:30:18] [INFO ] [Real]Added 33 Read/Feed constraints in 13 ms returned sat
[2025-06-01 13:30:18] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:30:18] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:30:18] [INFO ] [Nat]Absence check using state equation in 112 ms returned sat
[2025-06-01 13:30:19] [INFO ] [Nat]Added 33 Read/Feed constraints in 14 ms returned sat
[2025-06-01 13:30:19] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 24 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:30:19] [INFO ] Deduced a trap composed of 19 places in 172 ms of which 8 ms to minimize.
[2025-06-01 13:30:19] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 206 ms
[2025-06-01 13:30:19] [INFO ] Added : 5 causal constraints over 2 iterations in 322 ms. Result :sat
Minimization took 72 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:30:19] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:30:19] [INFO ] [Real]Absence check using state equation in 108 ms returned sat
[2025-06-01 13:30:19] [INFO ] [Real]Added 33 Read/Feed constraints in 15 ms returned sat
[2025-06-01 13:30:19] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:30:19] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:30:19] [INFO ] [Nat]Absence check using state equation in 107 ms returned sat
[2025-06-01 13:30:19] [INFO ] [Nat]Added 33 Read/Feed constraints in 15 ms returned sat
[2025-06-01 13:30:19] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 22 ms.
[2025-06-01 13:30:19] [INFO ] Added : 13 causal constraints over 5 iterations in 167 ms. Result :sat
Minimization took 79 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:30:20] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:30:20] [INFO ] [Real]Absence check using state equation in 107 ms returned sat
[2025-06-01 13:30:20] [INFO ] [Real]Added 33 Read/Feed constraints in 12 ms returned sat
[2025-06-01 13:30:20] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:30:20] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:30:20] [INFO ] [Nat]Absence check using state equation in 104 ms returned sat
[2025-06-01 13:30:20] [INFO ] [Nat]Added 33 Read/Feed constraints in 13 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:30:20] [INFO ] Deduced a trap composed of 19 places in 176 ms of which 15 ms to minimize.
[2025-06-01 13:30:20] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 206 ms
[2025-06-01 13:30:20] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 22 ms.
[2025-06-01 13:30:20] [INFO ] Added : 12 causal constraints over 5 iterations in 158 ms. Result :sat
Minimization took 91 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[525, 58, 429, 113, 205, 56, 50, 538] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[525, 58, 459, 113, 205, 56, 50, 538] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 8 out of 121 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 121/121 places, 294/294 transitions.
Applied a total of 0 rules in 12 ms. Remains 121 /121 variables (removed 0) and now considering 294/294 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 121/121 places, 294/294 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 121/121 places, 294/294 transitions.
Applied a total of 0 rules in 9 ms. Remains 121 /121 variables (removed 0) and now considering 294/294 (removed 0) transitions.
[2025-06-01 13:30:22] [INFO ] Flow matrix only has 194 transitions (discarded 100 similar events)
[2025-06-01 13:30:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:30:22] [INFO ] Implicit Places using invariants in 146 ms returned []
[2025-06-01 13:30:22] [INFO ] Flow matrix only has 194 transitions (discarded 100 similar events)
[2025-06-01 13:30:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:30:22] [INFO ] State equation strengthened by 33 read => feed constraints.
[2025-06-01 13:30:23] [INFO ] Implicit Places using invariants and state equation in 447 ms returned []
Implicit Place search using SMT with State Equation took 619 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 13:30:23] [INFO ] Redundant transitions in 8 ms returned []
Running 292 sub problems to find dead transitions.
[2025-06-01 13:30:23] [INFO ] Flow matrix only has 194 transitions (discarded 100 similar events)
[2025-06-01 13:30:23] [INFO ] Invariant cache hit.
[2025-06-01 13:30:23] [INFO ] State equation strengthened by 33 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/120 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/120 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 2 (OVERLAPS) 194/314 variables, 120/123 constraints. Problems are: Problem set: 0 solved, 292 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/314 variables, 33/156 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/314 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 5 (OVERLAPS) 1/315 variables, 1/157 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/315 variables, 0/157 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 7 (OVERLAPS) 0/315 variables, 0/157 constraints. Problems are: Problem set: 0 solved, 292 unsolved
No progress, stopping.
After SMT solving in domain Real declared 315/315 variables, and 157 constraints, problems are : Problem set: 0 solved, 292 unsolved in 13773 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 121/121 constraints, ReadFeed: 33/33 constraints, PredecessorRefiner: 292/292 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/120 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/120 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 2 (OVERLAPS) 194/314 variables, 120/123 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/314 variables, 33/156 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/314 variables, 32/188 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:30:47] [INFO ] Deduced a trap along path composed of 3 places in 44 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:30:47] [INFO ] Deduced a trap along path composed of 3 places in 30 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:30:47] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 0 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/314 variables, 3/191 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/314 variables, 0/191 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 7 (OVERLAPS) 1/315 variables, 1/192 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/315 variables, 260/452 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 315/315 variables, and 452 constraints, problems are : Problem set: 0 solved, 292 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 121/121 constraints, ReadFeed: 33/33 constraints, PredecessorRefiner: 292/292 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 44021ms problems are : Problem set: 0 solved, 292 unsolved
Search for dead transitions found 0 dead transitions in 44025ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44679 ms. Remains : 121/121 places, 294/294 transitions.
[2025-06-01 13:31:07] [INFO ] Flow matrix only has 194 transitions (discarded 100 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {25=1, 34=1, 92=1, 147=1, 189=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {31=1, 98=1, 153=1, 189=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 71 ms. (steps per millisecond=140 ) properties (out of 8) seen :[4, 4, 15, 5, 5, 3, 2, 2147483647]
Current structural bounds on expressions (after cover walk) : Max Seen:[525, 58, 459, 113, 205, 56, 50, +inf] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 13:31:07] [INFO ] Flow matrix only has 194 transitions (discarded 100 similar events)
[2025-06-01 13:31:07] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[525, 58, 459, 113, 205, 56, 50, +inf] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000002 steps (2 resets) in 1913 ms. (522 steps per ms)
FORMULA FunctionPointer-PT-b032-UpperBounds-15 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 7000007 steps (14 resets) in 8206 ms. (852 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[525, 58, 8244, 113, 205, 58, 51] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 13:31:17] [INFO ] Flow matrix only has 194 transitions (discarded 100 similar events)
[2025-06-01 13:31:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:31:17] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 13:31:17] [INFO ] [Real]Absence check using state equation in 69 ms returned sat
[2025-06-01 13:31:17] [INFO ] State equation strengthened by 33 read => feed constraints.
[2025-06-01 13:31:17] [INFO ] [Real]Added 33 Read/Feed constraints in 8 ms returned sat
[2025-06-01 13:31:17] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:31:17] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 13:31:17] [INFO ] [Nat]Absence check using state equation in 68 ms returned sat
[2025-06-01 13:31:17] [INFO ] [Nat]Added 33 Read/Feed constraints in 11 ms returned sat
[2025-06-01 13:31:17] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 16 ms.
[2025-06-01 13:31:17] [INFO ] Added : 5 causal constraints over 3 iterations in 83 ms. Result :sat
Minimization took 73 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:31:18] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:31:18] [INFO ] [Real]Absence check using state equation in 104 ms returned sat
[2025-06-01 13:31:18] [INFO ] [Real]Added 33 Read/Feed constraints in 11 ms returned sat
[2025-06-01 13:31:18] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:31:18] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:31:18] [INFO ] [Nat]Absence check using state equation in 98 ms returned sat
[2025-06-01 13:31:18] [INFO ] [Nat]Added 33 Read/Feed constraints in 13 ms returned sat
[2025-06-01 13:31:18] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 22 ms.
[2025-06-01 13:31:18] [INFO ] Added : 9 causal constraints over 3 iterations in 115 ms. Result :sat
Minimization took 72 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:31:18] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 13:31:18] [INFO ] [Real]Absence check using state equation in 108 ms returned sat
[2025-06-01 13:31:18] [INFO ] [Real]Added 33 Read/Feed constraints in 14 ms returned sat
[2025-06-01 13:31:18] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:31:18] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:31:19] [INFO ] [Nat]Absence check using state equation in 123 ms returned sat
[2025-06-01 13:31:19] [INFO ] [Nat]Added 33 Read/Feed constraints in 16 ms returned sat
[2025-06-01 13:31:19] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 22 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:31:19] [INFO ] Deduced a trap composed of 19 places in 181 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:31:19] [INFO ] Deduced a trap composed of 20 places in 182 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:31:19] [INFO ] Deduced a trap composed of 20 places in 168 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:31:19] [INFO ] Deduced a trap composed of 20 places in 173 ms of which 16 ms to minimize.
[2025-06-01 13:31:19] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 801 ms
[2025-06-01 13:31:20] [INFO ] Added : 15 causal constraints over 4 iterations in 965 ms. Result :sat
Minimization took 77 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:31:20] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:31:20] [INFO ] [Real]Absence check using state equation in 105 ms returned sat
[2025-06-01 13:31:20] [INFO ] [Real]Added 33 Read/Feed constraints in 15 ms returned sat
[2025-06-01 13:31:20] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:31:20] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:31:20] [INFO ] [Nat]Absence check using state equation in 100 ms returned sat
[2025-06-01 13:31:20] [INFO ] [Nat]Added 33 Read/Feed constraints in 17 ms returned sat
[2025-06-01 13:31:20] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 25 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:31:20] [INFO ] Deduced a trap composed of 19 places in 177 ms of which 20 ms to minimize.
[2025-06-01 13:31:20] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 209 ms
[2025-06-01 13:31:20] [INFO ] Added : 6 causal constraints over 3 iterations in 338 ms. Result :sat
Minimization took 73 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:31:20] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:31:21] [INFO ] [Real]Absence check using state equation in 107 ms returned sat
[2025-06-01 13:31:21] [INFO ] [Real]Added 33 Read/Feed constraints in 15 ms returned sat
[2025-06-01 13:31:21] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:31:21] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:31:21] [INFO ] [Nat]Absence check using state equation in 97 ms returned sat
[2025-06-01 13:31:21] [INFO ] [Nat]Added 33 Read/Feed constraints in 12 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:31:21] [INFO ] Deduced a trap composed of 19 places in 183 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:31:21] [INFO ] Deduced a trap composed of 19 places in 166 ms of which 9 ms to minimize.
[2025-06-01 13:31:21] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 387 ms
[2025-06-01 13:31:21] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 22 ms.
[2025-06-01 13:31:21] [INFO ] Added : 23 causal constraints over 7 iterations in 200 ms. Result :sat
Minimization took 84 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:31:22] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:31:22] [INFO ] [Real]Absence check using state equation in 111 ms returned sat
[2025-06-01 13:31:22] [INFO ] [Real]Added 33 Read/Feed constraints in 13 ms returned sat
[2025-06-01 13:31:22] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:31:22] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:31:22] [INFO ] [Nat]Absence check using state equation in 104 ms returned sat
[2025-06-01 13:31:22] [INFO ] [Nat]Added 33 Read/Feed constraints in 13 ms returned sat
[2025-06-01 13:31:22] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 22 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:31:22] [INFO ] Deduced a trap composed of 19 places in 169 ms of which 8 ms to minimize.
[2025-06-01 13:31:22] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 200 ms
[2025-06-01 13:31:22] [INFO ] Added : 5 causal constraints over 2 iterations in 310 ms. Result :sat
Minimization took 71 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:31:22] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:31:22] [INFO ] [Real]Absence check using state equation in 106 ms returned sat
[2025-06-01 13:31:22] [INFO ] [Real]Added 33 Read/Feed constraints in 16 ms returned sat
[2025-06-01 13:31:22] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:31:23] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:31:23] [INFO ] [Nat]Absence check using state equation in 106 ms returned sat
[2025-06-01 13:31:23] [INFO ] [Nat]Added 33 Read/Feed constraints in 15 ms returned sat
[2025-06-01 13:31:23] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 23 ms.
[2025-06-01 13:31:23] [INFO ] Added : 13 causal constraints over 5 iterations in 167 ms. Result :sat
Minimization took 79 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[525, 58, 8244, 113, 205, 58, 51] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[525, 58, 8244, 113, 205, 58, 51] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 7 out of 121 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 121/121 places, 294/294 transitions.
Applied a total of 0 rules in 18 ms. Remains 121 /121 variables (removed 0) and now considering 294/294 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18 ms. Remains : 121/121 places, 294/294 transitions.
[2025-06-01 13:31:24] [INFO ] Flow matrix only has 194 transitions (discarded 100 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {25=1, 34=1, 92=1, 147=1, 189=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {31=1, 98=1, 153=1, 189=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 92 ms. (steps per millisecond=108 ) properties (out of 7) seen :[10, 3, 9, 8, 7, 4, 2]
Current structural bounds on expressions (after cover walk) : Max Seen:[525, 58, 8244, 113, 205, 58, 51] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 13:31:24] [INFO ] Flow matrix only has 194 transitions (discarded 100 similar events)
[2025-06-01 13:31:24] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[525, 58, 8244, 113, 205, 58, 51] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1631 ms. (612 steps per ms)
BEST_FIRST walk for 7000006 steps (14 resets) in 6742 ms. (1038 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[525, 59, 8244, 113, 205, 63, 51] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 13:31:32] [INFO ] Flow matrix only has 194 transitions (discarded 100 similar events)
[2025-06-01 13:31:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:31:32] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 13:31:32] [INFO ] [Real]Absence check using state equation in 77 ms returned sat
[2025-06-01 13:31:32] [INFO ] State equation strengthened by 33 read => feed constraints.
[2025-06-01 13:31:32] [INFO ] [Real]Added 33 Read/Feed constraints in 10 ms returned sat
[2025-06-01 13:31:32] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:31:32] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 13:31:33] [INFO ] [Nat]Absence check using state equation in 109 ms returned sat
[2025-06-01 13:31:33] [INFO ] [Nat]Added 33 Read/Feed constraints in 17 ms returned sat
[2025-06-01 13:31:33] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 25 ms.
[2025-06-01 13:31:33] [INFO ] Added : 5 causal constraints over 3 iterations in 117 ms. Result :sat
Minimization took 73 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:31:33] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:31:33] [INFO ] [Real]Absence check using state equation in 107 ms returned sat
[2025-06-01 13:31:33] [INFO ] [Real]Added 33 Read/Feed constraints in 13 ms returned sat
[2025-06-01 13:31:33] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:31:33] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:31:33] [INFO ] [Nat]Absence check using state equation in 105 ms returned sat
[2025-06-01 13:31:33] [INFO ] [Nat]Added 33 Read/Feed constraints in 14 ms returned sat
[2025-06-01 13:31:33] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 24 ms.
[2025-06-01 13:31:33] [INFO ] Added : 9 causal constraints over 3 iterations in 120 ms. Result :sat
Minimization took 72 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:31:33] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:31:34] [INFO ] [Real]Absence check using state equation in 106 ms returned sat
[2025-06-01 13:31:34] [INFO ] [Real]Added 33 Read/Feed constraints in 13 ms returned sat
[2025-06-01 13:31:34] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:31:34] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:31:34] [INFO ] [Nat]Absence check using state equation in 103 ms returned sat
[2025-06-01 13:31:34] [INFO ] [Nat]Added 33 Read/Feed constraints in 13 ms returned sat
[2025-06-01 13:31:34] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 22 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:31:34] [INFO ] Deduced a trap composed of 19 places in 173 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:31:34] [INFO ] Deduced a trap composed of 20 places in 173 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:31:34] [INFO ] Deduced a trap composed of 20 places in 167 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:31:35] [INFO ] Deduced a trap composed of 20 places in 175 ms of which 16 ms to minimize.
[2025-06-01 13:31:35] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 780 ms
[2025-06-01 13:31:35] [INFO ] Added : 15 causal constraints over 4 iterations in 941 ms. Result :sat
Minimization took 76 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:31:35] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2025-06-01 13:31:35] [INFO ] [Real]Absence check using state equation in 110 ms returned sat
[2025-06-01 13:31:35] [INFO ] [Real]Added 33 Read/Feed constraints in 16 ms returned sat
[2025-06-01 13:31:35] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:31:35] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:31:35] [INFO ] [Nat]Absence check using state equation in 106 ms returned sat
[2025-06-01 13:31:35] [INFO ] [Nat]Added 33 Read/Feed constraints in 18 ms returned sat
[2025-06-01 13:31:35] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 24 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:31:36] [INFO ] Deduced a trap composed of 19 places in 178 ms of which 19 ms to minimize.
[2025-06-01 13:31:36] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 210 ms
[2025-06-01 13:31:36] [INFO ] Added : 6 causal constraints over 3 iterations in 337 ms. Result :sat
Minimization took 74 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:31:36] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:31:36] [INFO ] [Real]Absence check using state equation in 110 ms returned sat
[2025-06-01 13:31:36] [INFO ] [Real]Added 33 Read/Feed constraints in 15 ms returned sat
[2025-06-01 13:31:36] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:31:36] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:31:36] [INFO ] [Nat]Absence check using state equation in 107 ms returned sat
[2025-06-01 13:31:36] [INFO ] [Nat]Added 33 Read/Feed constraints in 12 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:31:36] [INFO ] Deduced a trap composed of 19 places in 154 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:31:36] [INFO ] Deduced a trap composed of 19 places in 173 ms of which 9 ms to minimize.
[2025-06-01 13:31:36] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 366 ms
[2025-06-01 13:31:36] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 21 ms.
[2025-06-01 13:31:37] [INFO ] Added : 23 causal constraints over 7 iterations in 198 ms. Result :sat
Minimization took 85 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:31:37] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:31:37] [INFO ] [Real]Absence check using state equation in 107 ms returned sat
[2025-06-01 13:31:37] [INFO ] [Real]Added 33 Read/Feed constraints in 13 ms returned sat
[2025-06-01 13:31:37] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:31:37] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:31:37] [INFO ] [Nat]Absence check using state equation in 106 ms returned sat
[2025-06-01 13:31:37] [INFO ] [Nat]Added 33 Read/Feed constraints in 13 ms returned sat
[2025-06-01 13:31:37] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 22 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:31:37] [INFO ] Deduced a trap composed of 19 places in 165 ms of which 8 ms to minimize.
[2025-06-01 13:31:37] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 200 ms
[2025-06-01 13:31:37] [INFO ] Added : 5 causal constraints over 2 iterations in 310 ms. Result :sat
Minimization took 71 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:31:38] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:31:38] [INFO ] [Real]Absence check using state equation in 107 ms returned sat
[2025-06-01 13:31:38] [INFO ] [Real]Added 33 Read/Feed constraints in 15 ms returned sat
[2025-06-01 13:31:38] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:31:38] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:31:38] [INFO ] [Nat]Absence check using state equation in 105 ms returned sat
[2025-06-01 13:31:38] [INFO ] [Nat]Added 33 Read/Feed constraints in 13 ms returned sat
[2025-06-01 13:31:38] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 23 ms.
[2025-06-01 13:31:38] [INFO ] Added : 13 causal constraints over 5 iterations in 168 ms. Result :sat
Minimization took 85 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[525, 59, 8244, 113, 205, 63, 51] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[525, 59, 8244, 113, 205, 63, 51] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 7 out of 121 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 121/121 places, 294/294 transitions.
Applied a total of 0 rules in 14 ms. Remains 121 /121 variables (removed 0) and now considering 294/294 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15 ms. Remains : 121/121 places, 294/294 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 121/121 places, 294/294 transitions.
Applied a total of 0 rules in 11 ms. Remains 121 /121 variables (removed 0) and now considering 294/294 (removed 0) transitions.
[2025-06-01 13:31:39] [INFO ] Flow matrix only has 194 transitions (discarded 100 similar events)
[2025-06-01 13:31:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:31:39] [INFO ] Implicit Places using invariants in 236 ms returned []
[2025-06-01 13:31:39] [INFO ] Flow matrix only has 194 transitions (discarded 100 similar events)
[2025-06-01 13:31:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:31:39] [INFO ] State equation strengthened by 33 read => feed constraints.
[2025-06-01 13:31:40] [INFO ] Implicit Places using invariants and state equation in 537 ms returned []
Implicit Place search using SMT with State Equation took 775 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 13:31:40] [INFO ] Redundant transitions in 7 ms returned []
Running 292 sub problems to find dead transitions.
[2025-06-01 13:31:40] [INFO ] Flow matrix only has 194 transitions (discarded 100 similar events)
[2025-06-01 13:31:40] [INFO ] Invariant cache hit.
[2025-06-01 13:31:40] [INFO ] State equation strengthened by 33 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/120 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/120 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 2 (OVERLAPS) 194/314 variables, 120/123 constraints. Problems are: Problem set: 0 solved, 292 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/314 variables, 33/156 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/314 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 5 (OVERLAPS) 1/315 variables, 1/157 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/315 variables, 0/157 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 7 (OVERLAPS) 0/315 variables, 0/157 constraints. Problems are: Problem set: 0 solved, 292 unsolved
No progress, stopping.
After SMT solving in domain Real declared 315/315 variables, and 157 constraints, problems are : Problem set: 0 solved, 292 unsolved in 15372 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 121/121 constraints, ReadFeed: 33/33 constraints, PredecessorRefiner: 292/292 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/120 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/120 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 2 (OVERLAPS) 194/314 variables, 120/123 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/314 variables, 33/156 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/314 variables, 32/188 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:32:06] [INFO ] Deduced a trap along path composed of 3 places in 31 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:32:06] [INFO ] Deduced a trap along path composed of 3 places in 26 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:32:06] [INFO ] Deduced a trap along path composed of 3 places in 24 ms of which 0 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/314 variables, 3/191 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/314 variables, 0/191 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 7 (OVERLAPS) 1/315 variables, 1/192 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/315 variables, 260/452 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 315/315 variables, and 452 constraints, problems are : Problem set: 0 solved, 292 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 121/121 constraints, ReadFeed: 33/33 constraints, PredecessorRefiner: 292/292 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 45574ms problems are : Problem set: 0 solved, 292 unsolved
Search for dead transitions found 0 dead transitions in 45578ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 46380 ms. Remains : 121/121 places, 294/294 transitions.
[2025-06-01 13:32:25] [INFO ] Flow matrix only has 194 transitions (discarded 100 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {25=1, 34=1, 92=1, 147=1, 189=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {31=1, 98=1, 153=1, 189=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 81 ms. (steps per millisecond=123 ) properties (out of 7) seen :[9, 3, 13, 5, 12, 3, 3]
Current structural bounds on expressions (after cover walk) : Max Seen:[525, 59, 8244, 113, 205, 63, 51] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 13:32:26] [INFO ] Flow matrix only has 194 transitions (discarded 100 similar events)
[2025-06-01 13:32:26] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[525, 59, 8244, 113, 205, 63, 51] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1674 ms. (597 steps per ms)
BEST_FIRST walk for 7000007 steps (14 resets) in 7620 ms. (918 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[525, 59, 8244, 113, 205, 63, 56] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 13:32:35] [INFO ] Flow matrix only has 194 transitions (discarded 100 similar events)
[2025-06-01 13:32:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:32:35] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 13:32:35] [INFO ] [Real]Absence check using state equation in 69 ms returned sat
[2025-06-01 13:32:35] [INFO ] State equation strengthened by 33 read => feed constraints.
[2025-06-01 13:32:35] [INFO ] [Real]Added 33 Read/Feed constraints in 8 ms returned sat
[2025-06-01 13:32:35] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:32:35] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 13:32:35] [INFO ] [Nat]Absence check using state equation in 106 ms returned sat
[2025-06-01 13:32:35] [INFO ] [Nat]Added 33 Read/Feed constraints in 14 ms returned sat
[2025-06-01 13:32:35] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 25 ms.
[2025-06-01 13:32:35] [INFO ] Added : 5 causal constraints over 3 iterations in 117 ms. Result :sat
Minimization took 73 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:32:35] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2025-06-01 13:32:35] [INFO ] [Real]Absence check using state equation in 109 ms returned sat
[2025-06-01 13:32:35] [INFO ] [Real]Added 33 Read/Feed constraints in 12 ms returned sat
[2025-06-01 13:32:36] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:32:36] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:32:36] [INFO ] [Nat]Absence check using state equation in 105 ms returned sat
[2025-06-01 13:32:36] [INFO ] [Nat]Added 33 Read/Feed constraints in 15 ms returned sat
[2025-06-01 13:32:36] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 25 ms.
[2025-06-01 13:32:36] [INFO ] Added : 9 causal constraints over 3 iterations in 119 ms. Result :sat
Minimization took 72 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:32:36] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:32:36] [INFO ] [Real]Absence check using state equation in 124 ms returned sat
[2025-06-01 13:32:36] [INFO ] [Real]Added 33 Read/Feed constraints in 14 ms returned sat
[2025-06-01 13:32:36] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:32:36] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:32:36] [INFO ] [Nat]Absence check using state equation in 105 ms returned sat
[2025-06-01 13:32:36] [INFO ] [Nat]Added 33 Read/Feed constraints in 14 ms returned sat
[2025-06-01 13:32:36] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 23 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:32:37] [INFO ] Deduced a trap composed of 19 places in 150 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:32:37] [INFO ] Deduced a trap composed of 20 places in 180 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:32:37] [INFO ] Deduced a trap composed of 20 places in 176 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:32:37] [INFO ] Deduced a trap composed of 20 places in 182 ms of which 16 ms to minimize.
[2025-06-01 13:32:37] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 778 ms
[2025-06-01 13:32:37] [INFO ] Added : 15 causal constraints over 4 iterations in 941 ms. Result :sat
Minimization took 76 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:32:37] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2025-06-01 13:32:38] [INFO ] [Real]Absence check using state equation in 110 ms returned sat
[2025-06-01 13:32:38] [INFO ] [Real]Added 33 Read/Feed constraints in 17 ms returned sat
[2025-06-01 13:32:38] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:32:38] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:32:38] [INFO ] [Nat]Absence check using state equation in 104 ms returned sat
[2025-06-01 13:32:38] [INFO ] [Nat]Added 33 Read/Feed constraints in 17 ms returned sat
[2025-06-01 13:32:38] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 25 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:32:38] [INFO ] Deduced a trap composed of 19 places in 180 ms of which 20 ms to minimize.
[2025-06-01 13:32:38] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 212 ms
[2025-06-01 13:32:38] [INFO ] Added : 6 causal constraints over 3 iterations in 340 ms. Result :sat
Minimization took 74 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:32:38] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:32:38] [INFO ] [Real]Absence check using state equation in 107 ms returned sat
[2025-06-01 13:32:38] [INFO ] [Real]Added 33 Read/Feed constraints in 15 ms returned sat
[2025-06-01 13:32:38] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:32:38] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:32:39] [INFO ] [Nat]Absence check using state equation in 107 ms returned sat
[2025-06-01 13:32:39] [INFO ] [Nat]Added 33 Read/Feed constraints in 20 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:32:39] [INFO ] Deduced a trap composed of 19 places in 189 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:32:39] [INFO ] Deduced a trap composed of 19 places in 176 ms of which 10 ms to minimize.
[2025-06-01 13:32:39] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 402 ms
[2025-06-01 13:32:39] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 23 ms.
[2025-06-01 13:32:39] [INFO ] Added : 23 causal constraints over 7 iterations in 201 ms. Result :sat
Minimization took 89 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:32:39] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:32:39] [INFO ] [Real]Absence check using state equation in 108 ms returned sat
[2025-06-01 13:32:39] [INFO ] [Real]Added 33 Read/Feed constraints in 12 ms returned sat
[2025-06-01 13:32:39] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:32:40] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:32:40] [INFO ] [Nat]Absence check using state equation in 105 ms returned sat
[2025-06-01 13:32:40] [INFO ] [Nat]Added 33 Read/Feed constraints in 13 ms returned sat
[2025-06-01 13:32:40] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 22 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:32:40] [INFO ] Deduced a trap composed of 19 places in 170 ms of which 8 ms to minimize.
[2025-06-01 13:32:40] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 208 ms
[2025-06-01 13:32:40] [INFO ] Added : 5 causal constraints over 2 iterations in 319 ms. Result :sat
Minimization took 72 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:32:40] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:32:40] [INFO ] [Real]Absence check using state equation in 112 ms returned sat
[2025-06-01 13:32:40] [INFO ] [Real]Added 33 Read/Feed constraints in 15 ms returned sat
[2025-06-01 13:32:40] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:32:40] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:32:40] [INFO ] [Nat]Absence check using state equation in 108 ms returned sat
[2025-06-01 13:32:40] [INFO ] [Nat]Added 33 Read/Feed constraints in 15 ms returned sat
[2025-06-01 13:32:41] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 25 ms.
[2025-06-01 13:32:41] [INFO ] Added : 13 causal constraints over 5 iterations in 167 ms. Result :sat
Minimization took 79 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[525, 59, 8244, 113, 205, 63, 56] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[525, 59, 8244, 113, 205, 63, 56] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 7 out of 121 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 121/121 places, 294/294 transitions.
Applied a total of 0 rules in 8 ms. Remains 121 /121 variables (removed 0) and now considering 294/294 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 121/121 places, 294/294 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 121/121 places, 294/294 transitions.
Applied a total of 0 rules in 6 ms. Remains 121 /121 variables (removed 0) and now considering 294/294 (removed 0) transitions.
[2025-06-01 13:32:41] [INFO ] Flow matrix only has 194 transitions (discarded 100 similar events)
[2025-06-01 13:32:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:32:42] [INFO ] Implicit Places using invariants in 160 ms returned []
[2025-06-01 13:32:42] [INFO ] Flow matrix only has 194 transitions (discarded 100 similar events)
[2025-06-01 13:32:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:32:42] [INFO ] State equation strengthened by 33 read => feed constraints.
[2025-06-01 13:32:42] [INFO ] Implicit Places using invariants and state equation in 372 ms returned []
Implicit Place search using SMT with State Equation took 534 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 13:32:42] [INFO ] Redundant transitions in 3 ms returned []
Running 292 sub problems to find dead transitions.
[2025-06-01 13:32:42] [INFO ] Flow matrix only has 194 transitions (discarded 100 similar events)
[2025-06-01 13:32:42] [INFO ] Invariant cache hit.
[2025-06-01 13:32:42] [INFO ] State equation strengthened by 33 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/120 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/120 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 2 (OVERLAPS) 194/314 variables, 120/123 constraints. Problems are: Problem set: 0 solved, 292 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/314 variables, 33/156 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/314 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 5 (OVERLAPS) 1/315 variables, 1/157 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/315 variables, 0/157 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 7 (OVERLAPS) 0/315 variables, 0/157 constraints. Problems are: Problem set: 0 solved, 292 unsolved
No progress, stopping.
After SMT solving in domain Real declared 315/315 variables, and 157 constraints, problems are : Problem set: 0 solved, 292 unsolved in 15137 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 121/121 constraints, ReadFeed: 33/33 constraints, PredecessorRefiner: 292/292 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/120 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/120 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 2 (OVERLAPS) 194/314 variables, 120/123 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/314 variables, 33/156 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/314 variables, 32/188 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:33:09] [INFO ] Deduced a trap along path composed of 3 places in 35 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:33:09] [INFO ] Deduced a trap along path composed of 3 places in 29 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:33:09] [INFO ] Deduced a trap along path composed of 3 places in 29 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/314 variables, 3/191 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/314 variables, 0/191 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 7 (OVERLAPS) 1/315 variables, 1/192 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/315 variables, 260/452 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 315/315 variables, and 452 constraints, problems are : Problem set: 0 solved, 292 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 121/121 constraints, ReadFeed: 33/33 constraints, PredecessorRefiner: 292/292 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 45350ms problems are : Problem set: 0 solved, 292 unsolved
Search for dead transitions found 0 dead transitions in 45352ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 45904 ms. Remains : 121/121 places, 294/294 transitions.
[2025-06-01 13:33:27] [INFO ] Flow matrix only has 194 transitions (discarded 100 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {25=1, 34=1, 92=1, 147=1, 189=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {31=1, 98=1, 153=1, 189=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 69 ms. (steps per millisecond=144 ) properties (out of 7) seen :[11, 3, 17, 7, 6, 5, 3]
Current structural bounds on expressions (after cover walk) : Max Seen:[525, 59, 8244, 113, 205, 63, 56] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 13:33:28] [INFO ] Flow matrix only has 194 transitions (discarded 100 similar events)
[2025-06-01 13:33:28] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[525, 59, 8244, 113, 205, 63, 56] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1734 ms. (576 steps per ms)
BEST_FIRST walk for 7000007 steps (14 resets) in 8068 ms. (867 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[525, 59, 8244, 132, 205, 63, 58] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 13:33:37] [INFO ] Flow matrix only has 194 transitions (discarded 100 similar events)
[2025-06-01 13:33:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:33:37] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 13:33:38] [INFO ] [Real]Absence check using state equation in 71 ms returned sat
[2025-06-01 13:33:38] [INFO ] State equation strengthened by 33 read => feed constraints.
[2025-06-01 13:33:38] [INFO ] [Real]Added 33 Read/Feed constraints in 9 ms returned sat
[2025-06-01 13:33:38] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:33:38] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 13:33:38] [INFO ] [Nat]Absence check using state equation in 68 ms returned sat
[2025-06-01 13:33:38] [INFO ] [Nat]Added 33 Read/Feed constraints in 10 ms returned sat
[2025-06-01 13:33:38] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 16 ms.
[2025-06-01 13:33:38] [INFO ] Added : 5 causal constraints over 3 iterations in 72 ms. Result :sat
Minimization took 44 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:33:38] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 13:33:38] [INFO ] [Real]Absence check using state equation in 69 ms returned sat
[2025-06-01 13:33:38] [INFO ] [Real]Added 33 Read/Feed constraints in 7 ms returned sat
[2025-06-01 13:33:38] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:33:38] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 13:33:38] [INFO ] [Nat]Absence check using state equation in 96 ms returned sat
[2025-06-01 13:33:38] [INFO ] [Nat]Added 33 Read/Feed constraints in 16 ms returned sat
[2025-06-01 13:33:38] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 24 ms.
[2025-06-01 13:33:38] [INFO ] Added : 9 causal constraints over 3 iterations in 120 ms. Result :sat
Minimization took 73 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:33:38] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:33:38] [INFO ] [Real]Absence check using state equation in 115 ms returned sat
[2025-06-01 13:33:38] [INFO ] [Real]Added 33 Read/Feed constraints in 15 ms returned sat
[2025-06-01 13:33:38] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:33:39] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:33:39] [INFO ] [Nat]Absence check using state equation in 106 ms returned sat
[2025-06-01 13:33:39] [INFO ] [Nat]Added 33 Read/Feed constraints in 14 ms returned sat
[2025-06-01 13:33:39] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 24 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:33:39] [INFO ] Deduced a trap composed of 19 places in 171 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:33:39] [INFO ] Deduced a trap composed of 20 places in 171 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:33:39] [INFO ] Deduced a trap composed of 20 places in 183 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:33:40] [INFO ] Deduced a trap composed of 20 places in 193 ms of which 16 ms to minimize.
[2025-06-01 13:33:40] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 813 ms
[2025-06-01 13:33:40] [INFO ] Added : 15 causal constraints over 4 iterations in 976 ms. Result :sat
Minimization took 76 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:33:40] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:33:40] [INFO ] [Real]Absence check using state equation in 109 ms returned sat
[2025-06-01 13:33:40] [INFO ] [Real]Added 33 Read/Feed constraints in 16 ms returned sat
[2025-06-01 13:33:40] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:33:40] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:33:40] [INFO ] [Nat]Absence check using state equation in 107 ms returned sat
[2025-06-01 13:33:40] [INFO ] [Nat]Added 33 Read/Feed constraints in 17 ms returned sat
[2025-06-01 13:33:40] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 24 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:33:40] [INFO ] Deduced a trap composed of 19 places in 177 ms of which 20 ms to minimize.
[2025-06-01 13:33:40] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 209 ms
[2025-06-01 13:33:40] [INFO ] Added : 6 causal constraints over 3 iterations in 338 ms. Result :sat
Minimization took 74 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:33:41] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:33:41] [INFO ] [Real]Absence check using state equation in 105 ms returned sat
[2025-06-01 13:33:41] [INFO ] [Real]Added 33 Read/Feed constraints in 15 ms returned sat
[2025-06-01 13:33:41] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:33:41] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:33:41] [INFO ] [Nat]Absence check using state equation in 108 ms returned sat
[2025-06-01 13:33:41] [INFO ] [Nat]Added 33 Read/Feed constraints in 12 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:33:41] [INFO ] Deduced a trap composed of 19 places in 166 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:33:41] [INFO ] Deduced a trap composed of 19 places in 167 ms of which 9 ms to minimize.
[2025-06-01 13:33:41] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 370 ms
[2025-06-01 13:33:41] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 23 ms.
[2025-06-01 13:33:42] [INFO ] Added : 23 causal constraints over 7 iterations in 199 ms. Result :sat
Minimization took 85 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:33:42] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:33:42] [INFO ] [Real]Absence check using state equation in 109 ms returned sat
[2025-06-01 13:33:42] [INFO ] [Real]Added 33 Read/Feed constraints in 13 ms returned sat
[2025-06-01 13:33:42] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:33:42] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:33:42] [INFO ] [Nat]Absence check using state equation in 105 ms returned sat
[2025-06-01 13:33:42] [INFO ] [Nat]Added 33 Read/Feed constraints in 14 ms returned sat
[2025-06-01 13:33:42] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 22 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:33:42] [INFO ] Deduced a trap composed of 19 places in 167 ms of which 8 ms to minimize.
[2025-06-01 13:33:42] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 197 ms
[2025-06-01 13:33:42] [INFO ] Added : 5 causal constraints over 2 iterations in 307 ms. Result :sat
Minimization took 71 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:33:42] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:33:43] [INFO ] [Real]Absence check using state equation in 104 ms returned sat
[2025-06-01 13:33:43] [INFO ] [Real]Added 33 Read/Feed constraints in 16 ms returned sat
[2025-06-01 13:33:43] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:33:43] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:33:43] [INFO ] [Nat]Absence check using state equation in 111 ms returned sat
[2025-06-01 13:33:43] [INFO ] [Nat]Added 33 Read/Feed constraints in 15 ms returned sat
[2025-06-01 13:33:43] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 24 ms.
[2025-06-01 13:33:43] [INFO ] Added : 13 causal constraints over 5 iterations in 168 ms. Result :sat
Minimization took 80 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[525, 59, 8244, 132, 205, 63, 58] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[525, 59, 8244, 132, 205, 63, 58] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 7 out of 121 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 121/121 places, 294/294 transitions.
Applied a total of 0 rules in 11 ms. Remains 121 /121 variables (removed 0) and now considering 294/294 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 121/121 places, 294/294 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 121/121 places, 294/294 transitions.
Applied a total of 0 rules in 11 ms. Remains 121 /121 variables (removed 0) and now considering 294/294 (removed 0) transitions.
[2025-06-01 13:33:44] [INFO ] Flow matrix only has 194 transitions (discarded 100 similar events)
[2025-06-01 13:33:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:33:44] [INFO ] Implicit Places using invariants in 228 ms returned []
[2025-06-01 13:33:44] [INFO ] Flow matrix only has 194 transitions (discarded 100 similar events)
[2025-06-01 13:33:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:33:44] [INFO ] State equation strengthened by 33 read => feed constraints.
[2025-06-01 13:33:44] [INFO ] Implicit Places using invariants and state equation in 357 ms returned []
Implicit Place search using SMT with State Equation took 596 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 13:33:44] [INFO ] Redundant transitions in 1 ms returned []
Running 292 sub problems to find dead transitions.
[2025-06-01 13:33:44] [INFO ] Flow matrix only has 194 transitions (discarded 100 similar events)
[2025-06-01 13:33:44] [INFO ] Invariant cache hit.
[2025-06-01 13:33:44] [INFO ] State equation strengthened by 33 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/120 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/120 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 2 (OVERLAPS) 194/314 variables, 120/123 constraints. Problems are: Problem set: 0 solved, 292 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/314 variables, 33/156 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/314 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 5 (OVERLAPS) 1/315 variables, 1/157 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/315 variables, 0/157 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 7 (OVERLAPS) 0/315 variables, 0/157 constraints. Problems are: Problem set: 0 solved, 292 unsolved
No progress, stopping.
After SMT solving in domain Real declared 315/315 variables, and 157 constraints, problems are : Problem set: 0 solved, 292 unsolved in 15478 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 121/121 constraints, ReadFeed: 33/33 constraints, PredecessorRefiner: 292/292 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/120 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/120 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 2 (OVERLAPS) 194/314 variables, 120/123 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/314 variables, 33/156 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/314 variables, 32/188 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:34:11] [INFO ] Deduced a trap along path composed of 3 places in 28 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:34:11] [INFO ] Deduced a trap along path composed of 3 places in 28 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:34:11] [INFO ] Deduced a trap along path composed of 3 places in 24 ms of which 0 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/314 variables, 3/191 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/314 variables, 0/191 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 7 (OVERLAPS) 1/315 variables, 1/192 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/315 variables, 260/452 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 315/315 variables, and 452 constraints, problems are : Problem set: 0 solved, 292 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 121/121 constraints, ReadFeed: 33/33 constraints, PredecessorRefiner: 292/292 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 45599ms problems are : Problem set: 0 solved, 292 unsolved
Search for dead transitions found 0 dead transitions in 45600ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 46217 ms. Remains : 121/121 places, 294/294 transitions.
[2025-06-01 13:34:30] [INFO ] Flow matrix only has 194 transitions (discarded 100 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {25=1, 34=1, 92=1, 147=1, 189=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {31=1, 98=1, 153=1, 189=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 58 ms. (steps per millisecond=172 ) properties (out of 7) seen :[15, 3, 13, 11, 6, 2, 2]
Current structural bounds on expressions (after cover walk) : Max Seen:[525, 59, 8244, 132, 205, 63, 58] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 13:34:30] [INFO ] Flow matrix only has 194 transitions (discarded 100 similar events)
[2025-06-01 13:34:30] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[525, 59, 8244, 132, 205, 63, 58] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000002 steps (2 resets) in 1833 ms. (545 steps per ms)
BEST_FIRST walk for 7000006 steps (14 resets) in 8104 ms. (863 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[525, 59, 8244, 132, 205, 63, 58] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 13:34:40] [INFO ] Flow matrix only has 194 transitions (discarded 100 similar events)
[2025-06-01 13:34:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:34:40] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 13:34:40] [INFO ] [Real]Absence check using state equation in 66 ms returned sat
[2025-06-01 13:34:40] [INFO ] State equation strengthened by 33 read => feed constraints.
[2025-06-01 13:34:40] [INFO ] [Real]Added 33 Read/Feed constraints in 9 ms returned sat
[2025-06-01 13:34:40] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:34:40] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 13:34:40] [INFO ] [Nat]Absence check using state equation in 70 ms returned sat
[2025-06-01 13:34:40] [INFO ] [Nat]Added 33 Read/Feed constraints in 9 ms returned sat
[2025-06-01 13:34:40] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 16 ms.
[2025-06-01 13:34:40] [INFO ] Added : 5 causal constraints over 3 iterations in 72 ms. Result :sat
Minimization took 45 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:34:41] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 13:34:41] [INFO ] [Real]Absence check using state equation in 68 ms returned sat
[2025-06-01 13:34:41] [INFO ] [Real]Added 33 Read/Feed constraints in 8 ms returned sat
[2025-06-01 13:34:41] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:34:41] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 13:34:41] [INFO ] [Nat]Absence check using state equation in 69 ms returned sat
[2025-06-01 13:34:41] [INFO ] [Nat]Added 33 Read/Feed constraints in 10 ms returned sat
[2025-06-01 13:34:41] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 16 ms.
[2025-06-01 13:34:41] [INFO ] Added : 9 causal constraints over 3 iterations in 73 ms. Result :sat
Minimization took 43 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:34:41] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 13:34:41] [INFO ] [Real]Absence check using state equation in 70 ms returned sat
[2025-06-01 13:34:41] [INFO ] [Real]Added 33 Read/Feed constraints in 13 ms returned sat
[2025-06-01 13:34:41] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:34:41] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:34:41] [INFO ] [Nat]Absence check using state equation in 105 ms returned sat
[2025-06-01 13:34:41] [INFO ] [Nat]Added 33 Read/Feed constraints in 13 ms returned sat
[2025-06-01 13:34:41] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 22 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:34:42] [INFO ] Deduced a trap composed of 19 places in 186 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:34:42] [INFO ] Deduced a trap composed of 20 places in 168 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:34:42] [INFO ] Deduced a trap composed of 20 places in 165 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:34:42] [INFO ] Deduced a trap composed of 20 places in 166 ms of which 16 ms to minimize.
[2025-06-01 13:34:42] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 791 ms
[2025-06-01 13:34:42] [INFO ] Added : 15 causal constraints over 4 iterations in 963 ms. Result :sat
Minimization took 77 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:34:42] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:34:42] [INFO ] [Real]Absence check using state equation in 106 ms returned sat
[2025-06-01 13:34:42] [INFO ] [Real]Added 33 Read/Feed constraints in 15 ms returned sat
[2025-06-01 13:34:42] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:34:43] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 13:34:43] [INFO ] [Nat]Absence check using state equation in 103 ms returned sat
[2025-06-01 13:34:43] [INFO ] [Nat]Added 33 Read/Feed constraints in 18 ms returned sat
[2025-06-01 13:34:43] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 23 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:34:43] [INFO ] Deduced a trap composed of 19 places in 188 ms of which 20 ms to minimize.
[2025-06-01 13:34:43] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 220 ms
[2025-06-01 13:34:43] [INFO ] Added : 6 causal constraints over 3 iterations in 346 ms. Result :sat
Minimization took 73 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:34:43] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:34:43] [INFO ] [Real]Absence check using state equation in 107 ms returned sat
[2025-06-01 13:34:43] [INFO ] [Real]Added 33 Read/Feed constraints in 15 ms returned sat
[2025-06-01 13:34:43] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:34:43] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:34:43] [INFO ] [Nat]Absence check using state equation in 104 ms returned sat
[2025-06-01 13:34:43] [INFO ] [Nat]Added 33 Read/Feed constraints in 12 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:34:44] [INFO ] Deduced a trap composed of 19 places in 166 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:34:44] [INFO ] Deduced a trap composed of 19 places in 183 ms of which 9 ms to minimize.
[2025-06-01 13:34:44] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 389 ms
[2025-06-01 13:34:44] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 33 ms.
[2025-06-01 13:34:44] [INFO ] Added : 23 causal constraints over 7 iterations in 208 ms. Result :sat
Minimization took 79 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:34:44] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:34:44] [INFO ] [Real]Absence check using state equation in 101 ms returned sat
[2025-06-01 13:34:44] [INFO ] [Real]Added 33 Read/Feed constraints in 11 ms returned sat
[2025-06-01 13:34:44] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:34:44] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:34:44] [INFO ] [Nat]Absence check using state equation in 103 ms returned sat
[2025-06-01 13:34:45] [INFO ] [Nat]Added 33 Read/Feed constraints in 14 ms returned sat
[2025-06-01 13:34:45] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 24 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:34:45] [INFO ] Deduced a trap composed of 19 places in 167 ms of which 8 ms to minimize.
[2025-06-01 13:34:45] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 200 ms
[2025-06-01 13:34:45] [INFO ] Added : 5 causal constraints over 2 iterations in 314 ms. Result :sat
Minimization took 71 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:34:45] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:34:45] [INFO ] [Real]Absence check using state equation in 109 ms returned sat
[2025-06-01 13:34:45] [INFO ] [Real]Added 33 Read/Feed constraints in 15 ms returned sat
[2025-06-01 13:34:45] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:34:45] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:34:45] [INFO ] [Nat]Absence check using state equation in 103 ms returned sat
[2025-06-01 13:34:45] [INFO ] [Nat]Added 33 Read/Feed constraints in 13 ms returned sat
[2025-06-01 13:34:45] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 22 ms.
[2025-06-01 13:34:45] [INFO ] Added : 13 causal constraints over 5 iterations in 162 ms. Result :sat
Minimization took 78 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[525, 59, 8244, 132, 205, 63, 58] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[712, 59, 8244, 132, 205, 63, 58] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 7 out of 121 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 121/121 places, 294/294 transitions.
Applied a total of 0 rules in 16 ms. Remains 121 /121 variables (removed 0) and now considering 294/294 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18 ms. Remains : 121/121 places, 294/294 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 121/121 places, 294/294 transitions.
Applied a total of 0 rules in 11 ms. Remains 121 /121 variables (removed 0) and now considering 294/294 (removed 0) transitions.
[2025-06-01 13:34:46] [INFO ] Flow matrix only has 194 transitions (discarded 100 similar events)
[2025-06-01 13:34:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:34:46] [INFO ] Implicit Places using invariants in 210 ms returned []
[2025-06-01 13:34:46] [INFO ] Flow matrix only has 194 transitions (discarded 100 similar events)
[2025-06-01 13:34:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:34:47] [INFO ] State equation strengthened by 33 read => feed constraints.
[2025-06-01 13:34:47] [INFO ] Implicit Places using invariants and state equation in 548 ms returned []
Implicit Place search using SMT with State Equation took 773 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 13:34:47] [INFO ] Redundant transitions in 2 ms returned []
Running 292 sub problems to find dead transitions.
[2025-06-01 13:34:47] [INFO ] Flow matrix only has 194 transitions (discarded 100 similar events)
[2025-06-01 13:34:47] [INFO ] Invariant cache hit.
[2025-06-01 13:34:47] [INFO ] State equation strengthened by 33 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/120 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/120 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 2 (OVERLAPS) 194/314 variables, 120/123 constraints. Problems are: Problem set: 0 solved, 292 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/314 variables, 33/156 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/314 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 5 (OVERLAPS) 1/315 variables, 1/157 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/315 variables, 0/157 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 7 (OVERLAPS) 0/315 variables, 0/157 constraints. Problems are: Problem set: 0 solved, 292 unsolved
No progress, stopping.
After SMT solving in domain Real declared 315/315 variables, and 157 constraints, problems are : Problem set: 0 solved, 292 unsolved in 15550 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 121/121 constraints, ReadFeed: 33/33 constraints, PredecessorRefiner: 292/292 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/120 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/120 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 2 (OVERLAPS) 194/314 variables, 120/123 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/314 variables, 33/156 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/314 variables, 32/188 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:35:14] [INFO ] Deduced a trap along path composed of 3 places in 34 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:35:14] [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
[2025-06-01 13:35:14] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/314 variables, 3/191 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/314 variables, 0/191 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 7 (OVERLAPS) 1/315 variables, 1/192 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/315 variables, 260/452 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 315/315 variables, and 452 constraints, problems are : Problem set: 0 solved, 292 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 121/121 constraints, ReadFeed: 33/33 constraints, PredecessorRefiner: 292/292 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 45703ms problems are : Problem set: 0 solved, 292 unsolved
Search for dead transitions found 0 dead transitions in 45705ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 46497 ms. Remains : 121/121 places, 294/294 transitions.
[2025-06-01 13:35:33] [INFO ] Flow matrix only has 194 transitions (discarded 100 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {25=1, 34=1, 92=1, 147=1, 189=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {31=1, 98=1, 153=1, 189=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 55 ms. (steps per millisecond=181 ) properties (out of 7) seen :[9, 3, 24, 5, 9, 4, 3]
Current structural bounds on expressions (after cover walk) : Max Seen:[712, 59, 8244, 132, 205, 63, 58] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 13:35:33] [INFO ] Flow matrix only has 194 transitions (discarded 100 similar events)
[2025-06-01 13:35:33] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[712, 59, 8244, 132, 205, 63, 58] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 2119 ms. (471 steps per ms)
BEST_FIRST walk for 7000007 steps (14 resets) in 7151 ms. (978 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[712, 59, 8244, 132, 236, 63, 58] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 13:35:42] [INFO ] Flow matrix only has 194 transitions (discarded 100 similar events)
[2025-06-01 13:35:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:35:42] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 13:35:42] [INFO ] [Real]Absence check using state equation in 66 ms returned sat
[2025-06-01 13:35:42] [INFO ] State equation strengthened by 33 read => feed constraints.
[2025-06-01 13:35:42] [INFO ] [Real]Added 33 Read/Feed constraints in 8 ms returned sat
[2025-06-01 13:35:42] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:35:42] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 13:35:42] [INFO ] [Nat]Absence check using state equation in 72 ms returned sat
[2025-06-01 13:35:42] [INFO ] [Nat]Added 33 Read/Feed constraints in 9 ms returned sat
[2025-06-01 13:35:42] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 18 ms.
[2025-06-01 13:35:43] [INFO ] Added : 5 causal constraints over 3 iterations in 110 ms. Result :sat
Minimization took 75 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:35:43] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:35:43] [INFO ] [Real]Absence check using state equation in 110 ms returned sat
[2025-06-01 13:35:43] [INFO ] [Real]Added 33 Read/Feed constraints in 12 ms returned sat
[2025-06-01 13:35:43] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:35:43] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2025-06-01 13:35:43] [INFO ] [Nat]Absence check using state equation in 111 ms returned sat
[2025-06-01 13:35:43] [INFO ] [Nat]Added 33 Read/Feed constraints in 16 ms returned sat
[2025-06-01 13:35:43] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 25 ms.
[2025-06-01 13:35:43] [INFO ] Added : 9 causal constraints over 3 iterations in 122 ms. Result :sat
Minimization took 78 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:35:43] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:35:43] [INFO ] [Real]Absence check using state equation in 108 ms returned sat
[2025-06-01 13:35:43] [INFO ] [Real]Added 33 Read/Feed constraints in 15 ms returned sat
[2025-06-01 13:35:43] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:35:44] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:35:44] [INFO ] [Nat]Absence check using state equation in 111 ms returned sat
[2025-06-01 13:35:44] [INFO ] [Nat]Added 33 Read/Feed constraints in 15 ms returned sat
[2025-06-01 13:35:44] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 23 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:35:44] [INFO ] Deduced a trap composed of 19 places in 174 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:35:44] [INFO ] Deduced a trap composed of 20 places in 171 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:35:44] [INFO ] Deduced a trap composed of 20 places in 170 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:35:45] [INFO ] Deduced a trap composed of 20 places in 163 ms of which 16 ms to minimize.
[2025-06-01 13:35:45] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 771 ms
[2025-06-01 13:35:45] [INFO ] Added : 15 causal constraints over 4 iterations in 932 ms. Result :sat
Minimization took 77 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:35:45] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:35:45] [INFO ] [Real]Absence check using state equation in 109 ms returned sat
[2025-06-01 13:35:45] [INFO ] [Real]Added 33 Read/Feed constraints in 16 ms returned sat
[2025-06-01 13:35:45] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:35:45] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:35:45] [INFO ] [Nat]Absence check using state equation in 110 ms returned sat
[2025-06-01 13:35:45] [INFO ] [Nat]Added 33 Read/Feed constraints in 20 ms returned sat
[2025-06-01 13:35:45] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 24 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:35:45] [INFO ] Deduced a trap composed of 19 places in 174 ms of which 19 ms to minimize.
[2025-06-01 13:35:45] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 207 ms
[2025-06-01 13:35:45] [INFO ] Added : 6 causal constraints over 3 iterations in 336 ms. Result :sat
Minimization took 74 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:35:46] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:35:46] [INFO ] [Real]Absence check using state equation in 113 ms returned sat
[2025-06-01 13:35:46] [INFO ] [Real]Added 33 Read/Feed constraints in 14 ms returned sat
[2025-06-01 13:35:46] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:35:46] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:35:46] [INFO ] [Nat]Absence check using state equation in 110 ms returned sat
[2025-06-01 13:35:46] [INFO ] [Nat]Added 33 Read/Feed constraints in 14 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:35:46] [INFO ] Deduced a trap composed of 19 places in 162 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:35:46] [INFO ] Deduced a trap composed of 19 places in 174 ms of which 9 ms to minimize.
[2025-06-01 13:35:46] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 375 ms
[2025-06-01 13:35:46] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 21 ms.
[2025-06-01 13:35:46] [INFO ] Added : 23 causal constraints over 7 iterations in 201 ms. Result :sat
Minimization took 85 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:35:47] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:35:47] [INFO ] [Real]Absence check using state equation in 109 ms returned sat
[2025-06-01 13:35:47] [INFO ] [Real]Added 33 Read/Feed constraints in 13 ms returned sat
[2025-06-01 13:35:47] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:35:47] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:35:47] [INFO ] [Nat]Absence check using state equation in 101 ms returned sat
[2025-06-01 13:35:47] [INFO ] [Nat]Added 33 Read/Feed constraints in 14 ms returned sat
[2025-06-01 13:35:47] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 23 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:35:47] [INFO ] Deduced a trap composed of 19 places in 169 ms of which 9 ms to minimize.
[2025-06-01 13:35:47] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 202 ms
[2025-06-01 13:35:47] [INFO ] Added : 5 causal constraints over 2 iterations in 315 ms. Result :sat
Minimization took 72 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:35:47] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:35:48] [INFO ] [Real]Absence check using state equation in 109 ms returned sat
[2025-06-01 13:35:48] [INFO ] [Real]Added 33 Read/Feed constraints in 15 ms returned sat
[2025-06-01 13:35:48] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:35:48] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:35:48] [INFO ] [Nat]Absence check using state equation in 108 ms returned sat
[2025-06-01 13:35:48] [INFO ] [Nat]Added 33 Read/Feed constraints in 14 ms returned sat
[2025-06-01 13:35:48] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 23 ms.
[2025-06-01 13:35:48] [INFO ] Added : 13 causal constraints over 5 iterations in 168 ms. Result :sat
Minimization took 83 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[712, 59, 8244, 132, 236, 63, 58] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[712, 59, 8244, 132, 236, 63, 58] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 7 out of 121 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 121/121 places, 294/294 transitions.
Applied a total of 0 rules in 12 ms. Remains 121 /121 variables (removed 0) and now considering 294/294 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 121/121 places, 294/294 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 121/121 places, 294/294 transitions.
Applied a total of 0 rules in 11 ms. Remains 121 /121 variables (removed 0) and now considering 294/294 (removed 0) transitions.
[2025-06-01 13:35:49] [INFO ] Flow matrix only has 194 transitions (discarded 100 similar events)
[2025-06-01 13:35:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:35:49] [INFO ] Implicit Places using invariants in 242 ms returned []
[2025-06-01 13:35:49] [INFO ] Flow matrix only has 194 transitions (discarded 100 similar events)
[2025-06-01 13:35:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:35:49] [INFO ] State equation strengthened by 33 read => feed constraints.
[2025-06-01 13:35:50] [INFO ] Implicit Places using invariants and state equation in 543 ms returned []
Implicit Place search using SMT with State Equation took 786 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 13:35:50] [INFO ] Redundant transitions in 1 ms returned []
Running 292 sub problems to find dead transitions.
[2025-06-01 13:35:50] [INFO ] Flow matrix only has 194 transitions (discarded 100 similar events)
[2025-06-01 13:35:50] [INFO ] Invariant cache hit.
[2025-06-01 13:35:50] [INFO ] State equation strengthened by 33 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/120 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/120 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 2 (OVERLAPS) 194/314 variables, 120/123 constraints. Problems are: Problem set: 0 solved, 292 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/314 variables, 33/156 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/314 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 5 (OVERLAPS) 1/315 variables, 1/157 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/315 variables, 0/157 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 7 (OVERLAPS) 0/315 variables, 0/157 constraints. Problems are: Problem set: 0 solved, 292 unsolved
No progress, stopping.
After SMT solving in domain Real declared 315/315 variables, and 157 constraints, problems are : Problem set: 0 solved, 292 unsolved in 15675 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 121/121 constraints, ReadFeed: 33/33 constraints, PredecessorRefiner: 292/292 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/120 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/120 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 2 (OVERLAPS) 194/314 variables, 120/123 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/314 variables, 33/156 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/314 variables, 32/188 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:36:17] [INFO ] Deduced a trap along path composed of 3 places in 29 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:36:17] [INFO ] Deduced a trap along path composed of 3 places in 25 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:36:17] [INFO ] Deduced a trap along path composed of 3 places in 24 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/314 variables, 3/191 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/314 variables, 0/191 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 7 (OVERLAPS) 1/315 variables, 1/192 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/315 variables, 260/452 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 315/315 variables, and 452 constraints, problems are : Problem set: 0 solved, 292 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 121/121 constraints, ReadFeed: 33/33 constraints, PredecessorRefiner: 292/292 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 45831ms problems are : Problem set: 0 solved, 292 unsolved
Search for dead transitions found 0 dead transitions in 45832ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 46638 ms. Remains : 121/121 places, 294/294 transitions.
[2025-06-01 13:36:35] [INFO ] Flow matrix only has 194 transitions (discarded 100 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {25=1, 34=1, 92=1, 147=1, 189=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {31=1, 98=1, 153=1, 189=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 61 ms. (steps per millisecond=163 ) properties (out of 7) seen :[7, 3, 23, 6, 5, 3, 3]
Current structural bounds on expressions (after cover walk) : Max Seen:[712, 59, 8244, 132, 236, 63, 58] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 13:36:36] [INFO ] Flow matrix only has 194 transitions (discarded 100 similar events)
[2025-06-01 13:36:36] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[712, 59, 8244, 132, 236, 63, 58] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1751 ms. (570 steps per ms)
BEST_FIRST walk for 7000007 steps (14 resets) in 6685 ms. (1046 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[712, 59, 8244, 132, 236, 63, 58] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 13:36:44] [INFO ] Flow matrix only has 194 transitions (discarded 100 similar events)
[2025-06-01 13:36:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:36:44] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:36:44] [INFO ] [Real]Absence check using state equation in 107 ms returned sat
[2025-06-01 13:36:44] [INFO ] State equation strengthened by 33 read => feed constraints.
[2025-06-01 13:36:44] [INFO ] [Real]Added 33 Read/Feed constraints in 14 ms returned sat
[2025-06-01 13:36:44] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:36:44] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:36:44] [INFO ] [Nat]Absence check using state equation in 106 ms returned sat
[2025-06-01 13:36:44] [INFO ] [Nat]Added 33 Read/Feed constraints in 15 ms returned sat
[2025-06-01 13:36:44] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 24 ms.
[2025-06-01 13:36:45] [INFO ] Added : 5 causal constraints over 3 iterations in 116 ms. Result :sat
Minimization took 73 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:36:45] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2025-06-01 13:36:45] [INFO ] [Real]Absence check using state equation in 106 ms returned sat
[2025-06-01 13:36:45] [INFO ] [Real]Added 33 Read/Feed constraints in 12 ms returned sat
[2025-06-01 13:36:45] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:36:45] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:36:45] [INFO ] [Nat]Absence check using state equation in 105 ms returned sat
[2025-06-01 13:36:45] [INFO ] [Nat]Added 33 Read/Feed constraints in 15 ms returned sat
[2025-06-01 13:36:45] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 23 ms.
[2025-06-01 13:36:45] [INFO ] Added : 9 causal constraints over 3 iterations in 120 ms. Result :sat
Minimization took 72 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:36:45] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:36:45] [INFO ] [Real]Absence check using state equation in 103 ms returned sat
[2025-06-01 13:36:45] [INFO ] [Real]Added 33 Read/Feed constraints in 14 ms returned sat
[2025-06-01 13:36:45] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:36:45] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2025-06-01 13:36:46] [INFO ] [Nat]Absence check using state equation in 114 ms returned sat
[2025-06-01 13:36:46] [INFO ] [Nat]Added 33 Read/Feed constraints in 14 ms returned sat
[2025-06-01 13:36:46] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 23 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:36:46] [INFO ] Deduced a trap composed of 19 places in 165 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:36:46] [INFO ] Deduced a trap composed of 20 places in 165 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:36:46] [INFO ] Deduced a trap composed of 20 places in 160 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:36:46] [INFO ] Deduced a trap composed of 20 places in 156 ms of which 16 ms to minimize.
[2025-06-01 13:36:46] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 738 ms
[2025-06-01 13:36:47] [INFO ] Added : 15 causal constraints over 4 iterations in 901 ms. Result :sat
Minimization took 78 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:36:47] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:36:47] [INFO ] [Real]Absence check using state equation in 106 ms returned sat
[2025-06-01 13:36:47] [INFO ] [Real]Added 33 Read/Feed constraints in 15 ms returned sat
[2025-06-01 13:36:47] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:36:47] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:36:47] [INFO ] [Nat]Absence check using state equation in 104 ms returned sat
[2025-06-01 13:36:47] [INFO ] [Nat]Added 33 Read/Feed constraints in 19 ms returned sat
[2025-06-01 13:36:47] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 24 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:36:47] [INFO ] Deduced a trap composed of 19 places in 168 ms of which 20 ms to minimize.
[2025-06-01 13:36:47] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 200 ms
[2025-06-01 13:36:47] [INFO ] Added : 6 causal constraints over 3 iterations in 327 ms. Result :sat
Minimization took 73 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:36:47] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2025-06-01 13:36:48] [INFO ] [Real]Absence check using state equation in 106 ms returned sat
[2025-06-01 13:36:48] [INFO ] [Real]Added 33 Read/Feed constraints in 15 ms returned sat
[2025-06-01 13:36:48] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:36:48] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:36:48] [INFO ] [Nat]Absence check using state equation in 109 ms returned sat
[2025-06-01 13:36:48] [INFO ] [Nat]Added 33 Read/Feed constraints in 10 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:36:48] [INFO ] Deduced a trap composed of 19 places in 142 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:36:48] [INFO ] Deduced a trap composed of 19 places in 166 ms of which 8 ms to minimize.
[2025-06-01 13:36:48] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 348 ms
[2025-06-01 13:36:48] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 21 ms.
[2025-06-01 13:36:48] [INFO ] Added : 23 causal constraints over 7 iterations in 198 ms. Result :sat
Minimization took 85 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:36:48] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:36:49] [INFO ] [Real]Absence check using state equation in 111 ms returned sat
[2025-06-01 13:36:49] [INFO ] [Real]Added 33 Read/Feed constraints in 13 ms returned sat
[2025-06-01 13:36:49] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:36:49] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:36:49] [INFO ] [Nat]Absence check using state equation in 102 ms returned sat
[2025-06-01 13:36:49] [INFO ] [Nat]Added 33 Read/Feed constraints in 14 ms returned sat
[2025-06-01 13:36:49] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 21 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:36:49] [INFO ] Deduced a trap composed of 19 places in 164 ms of which 8 ms to minimize.
[2025-06-01 13:36:49] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 197 ms
[2025-06-01 13:36:49] [INFO ] Added : 5 causal constraints over 2 iterations in 306 ms. Result :sat
Minimization took 71 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:36:49] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:36:49] [INFO ] [Real]Absence check using state equation in 115 ms returned sat
[2025-06-01 13:36:49] [INFO ] [Real]Added 33 Read/Feed constraints in 16 ms returned sat
[2025-06-01 13:36:49] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:36:49] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:36:50] [INFO ] [Nat]Absence check using state equation in 103 ms returned sat
[2025-06-01 13:36:50] [INFO ] [Nat]Added 33 Read/Feed constraints in 14 ms returned sat
[2025-06-01 13:36:50] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 21 ms.
[2025-06-01 13:36:50] [INFO ] Added : 13 causal constraints over 5 iterations in 163 ms. Result :sat
Minimization took 79 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[712, 59, 8244, 132, 236, 63, 58] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[712, 59, 8244, 132, 236, 63, 58] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 7 out of 121 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 121/121 places, 294/294 transitions.
Applied a total of 0 rules in 8 ms. Remains 121 /121 variables (removed 0) and now considering 294/294 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 121/121 places, 294/294 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 121/121 places, 294/294 transitions.
Applied a total of 0 rules in 6 ms. Remains 121 /121 variables (removed 0) and now considering 294/294 (removed 0) transitions.
[2025-06-01 13:36:51] [INFO ] Flow matrix only has 194 transitions (discarded 100 similar events)
[2025-06-01 13:36:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:36:51] [INFO ] Implicit Places using invariants in 151 ms returned []
[2025-06-01 13:36:51] [INFO ] Flow matrix only has 194 transitions (discarded 100 similar events)
[2025-06-01 13:36:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:36:51] [INFO ] State equation strengthened by 33 read => feed constraints.
[2025-06-01 13:36:51] [INFO ] Implicit Places using invariants and state equation in 414 ms returned []
Implicit Place search using SMT with State Equation took 569 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 13:36:51] [INFO ] Redundant transitions in 2 ms returned []
Running 292 sub problems to find dead transitions.
[2025-06-01 13:36:51] [INFO ] Flow matrix only has 194 transitions (discarded 100 similar events)
[2025-06-01 13:36:51] [INFO ] Invariant cache hit.
[2025-06-01 13:36:51] [INFO ] State equation strengthened by 33 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/120 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/120 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 2 (OVERLAPS) 194/314 variables, 120/123 constraints. Problems are: Problem set: 0 solved, 292 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/314 variables, 33/156 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/314 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 5 (OVERLAPS) 1/315 variables, 1/157 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/315 variables, 0/157 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 7 (OVERLAPS) 0/315 variables, 0/157 constraints. Problems are: Problem set: 0 solved, 292 unsolved
No progress, stopping.
After SMT solving in domain Real declared 315/315 variables, and 157 constraints, problems are : Problem set: 0 solved, 292 unsolved in 15262 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 121/121 constraints, ReadFeed: 33/33 constraints, PredecessorRefiner: 292/292 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/120 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/120 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 2 (OVERLAPS) 194/314 variables, 120/123 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/314 variables, 33/156 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/314 variables, 32/188 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:37:17] [INFO ] Deduced a trap along path composed of 3 places in 28 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:37:17] [INFO ] Deduced a trap along path composed of 3 places in 26 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:37:17] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/314 variables, 3/191 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/314 variables, 0/191 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 7 (OVERLAPS) 1/315 variables, 1/192 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/315 variables, 260/452 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 315/315 variables, and 452 constraints, problems are : Problem set: 0 solved, 292 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 121/121 constraints, ReadFeed: 33/33 constraints, PredecessorRefiner: 292/292 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 45442ms problems are : Problem set: 0 solved, 292 unsolved
Search for dead transitions found 0 dead transitions in 45443ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 46028 ms. Remains : 121/121 places, 294/294 transitions.
[2025-06-01 13:37:37] [INFO ] Flow matrix only has 194 transitions (discarded 100 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {25=1, 34=1, 92=1, 147=1, 189=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {31=1, 98=1, 153=1, 189=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 64 ms. (steps per millisecond=156 ) properties (out of 7) seen :[9, 2, 11, 8, 5, 3, 3]
Current structural bounds on expressions (after cover walk) : Max Seen:[712, 59, 8244, 132, 236, 63, 58] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 40000 steps (8 resets) in 1040 ms. (38 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (8 resets) in 210 ms. (189 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 248 ms. (160 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (8 resets) in 203 ms. (196 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 203 ms. (196 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 192 ms. (207 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 157 ms. (253 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 160 ms. (248 steps per ms) remains 7/7 properties
[2025-06-01 13:37:38] [INFO ] Flatten gal took : 178 ms
[2025-06-01 13:37:38] [INFO ] Flatten gal took : 53 ms
[2025-06-01 13:37:38] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17743585107656531325.gal : 21 ms
[2025-06-01 13:37:38] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13593083668231691602.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/ReachabilityCardinality17743585107656531325.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13593083668231691602.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality13593083668231691602.prop.
SDD proceeding with computation,7 properties remain. new max is 4
SDD size :1 after 31
SDD proceeding with computation,7 properties remain. new max is 8
SDD size :31 after 1082
SDD proceeding with computation,7 properties remain. new max is 16
SDD size :1082 after 200676
Interrupted probabilistic random walk after 223655 steps, run timeout after 3001 ms. (steps per millisecond=74 ) properties seen :0 out of 7
Probabilistic random walk after 223655 steps, saw 139233 distinct states, run finished after 3007 ms. (steps per millisecond=74 ) properties seen :0
[2025-06-01 13:37:41] [INFO ] Flow matrix only has 194 transitions (discarded 100 similar events)
[2025-06-01 13:37:41] [INFO ] Invariant cache hit.
[2025-06-01 13:37:41] [INFO ] State equation strengthened by 33 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 22/29 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/29 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (OVERLAPS) 122/151 variables, 18/25 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/151 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/151 variables, 4/30 constraints. Problems are: Problem set: 0 solved, 7 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/151 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (OVERLAPS) 12/163 variables, 1/31 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/163 variables, 4/35 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/163 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 10 (OVERLAPS) 133/296 variables, 78/113 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/296 variables, 29/142 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/296 variables, 0/142 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 13 (OVERLAPS) 6/302 variables, 1/143 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/302 variables, 0/143 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 15 (OVERLAPS) 13/315 variables, 14/157 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/315 variables, 0/157 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 17 (OVERLAPS) 0/315 variables, 0/157 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Real declared 315/315 variables, and 157 constraints, problems are : Problem set: 0 solved, 7 unsolved in 422 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 121/121 constraints, ReadFeed: 33/33 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 22/29 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/29 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (OVERLAPS) 122/151 variables, 18/25 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/151 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/151 variables, 4/30 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/151 variables, 6/36 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/151 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 8 (OVERLAPS) 12/163 variables, 1/37 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/163 variables, 4/41 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/163 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 11 (OVERLAPS) 133/296 variables, 78/119 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/296 variables, 29/148 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/296 variables, 1/149 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:37:41] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:37:41] [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
[2025-06-01 13:37:41] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 1 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/296 variables, 3/152 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/296 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 16 (OVERLAPS) 6/302 variables, 1/153 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/302 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 18 (OVERLAPS) 13/315 variables, 14/167 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:37:42] [INFO ] Deduced a trap along path composed of 3 places in 30 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:37:42] [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
[2025-06-01 13:37:42] [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
[2025-06-01 13:37:42] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 0 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/315 variables, 4/171 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/315 variables, 0/171 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 21 (OVERLAPS) 0/315 variables, 0/171 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Int declared 315/315 variables, and 171 constraints, problems are : Problem set: 0 solved, 7 unsolved in 1237 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 121/121 constraints, ReadFeed: 33/33 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 7/7 constraints]
After SMT, in 1665ms problems are : Problem set: 0 solved, 7 unsolved
Fused 7 Parikh solutions to 3 different solutions.
SDD proceeding with computation,7 properties remain. new max is 32
SDD size :200676 after 6.11664e+08
Parikh walk visited 1 properties in 30000 ms.
Support contains 6 out of 121 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 121/121 places, 294/294 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 120 transition count 292
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 120 transition count 292
Applied a total of 2 rules in 10 ms. Remains 120 /121 variables (removed 1) and now considering 292/294 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 120/121 places, 292/294 transitions.
RANDOM walk for 40000 steps (8 resets) in 178 ms. (223 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 75 ms. (526 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 71 ms. (555 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 70 ms. (563 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 79 ms. (500 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 82 ms. (481 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (8 resets) in 77 ms. (512 steps per ms) remains 6/6 properties
Interrupted probabilistic random walk after 209546 steps, run timeout after 3001 ms. (steps per millisecond=69 ) properties seen :0 out of 6
Probabilistic random walk after 209546 steps, saw 130451 distinct states, run finished after 3001 ms. (steps per millisecond=69 ) properties seen :0
[2025-06-01 13:38:15] [INFO ] Flow matrix only has 191 transitions (discarded 101 similar events)
// Phase 1: matrix 191 rows 120 cols
[2025-06-01 13:38:15] [INFO ] Computed 3 invariants in 1 ms
[2025-06-01 13:38:15] [INFO ] State equation strengthened by 31 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 19/25 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 117/142 variables, 15/21 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/142 variables, 4/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/142 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 14/156 variables, 2/27 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/156 variables, 6/33 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/156 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (OVERLAPS) 135/291 variables, 78/111 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/291 variables, 27/138 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/291 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 12 (OVERLAPS) 6/297 variables, 1/139 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/297 variables, 0/139 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 14 (OVERLAPS) 14/311 variables, 15/154 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/311 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 16 (OVERLAPS) 0/311 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 311/311 variables, and 154 constraints, problems are : Problem set: 0 solved, 6 unsolved in 348 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 120/120 constraints, ReadFeed: 31/31 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 19/25 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 117/142 variables, 15/21 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/142 variables, 4/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/142 variables, 6/31 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/142 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 14/156 variables, 2/33 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/156 variables, 6/39 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/156 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (OVERLAPS) 135/291 variables, 78/117 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/291 variables, 27/144 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:38:16] [INFO ] Deduced a trap along path composed of 3 places in 19 ms of which 0 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/291 variables, 1/145 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/291 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 14 (OVERLAPS) 6/297 variables, 1/146 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/297 variables, 0/146 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 16 (OVERLAPS) 14/311 variables, 15/161 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:38:17] [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
[2025-06-01 13:38:17] [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
[2025-06-01 13:38:17] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:38:17] [INFO ] Deduced a trap along path composed of 3 places in 83 ms of which 0 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/311 variables, 4/165 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/311 variables, 0/165 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 19 (OVERLAPS) 0/311 variables, 0/165 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 311/311 variables, and 165 constraints, problems are : Problem set: 0 solved, 6 unsolved in 1108 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 120/120 constraints, ReadFeed: 31/31 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 5/5 constraints]
After SMT, in 1465ms problems are : Problem set: 0 solved, 6 unsolved
Fused 6 Parikh solutions to 1 different solutions.
Detected timeout of ITS tools.
[2025-06-01 13:38:28] [INFO ] Flatten gal took : 75 ms
[2025-06-01 13:38:28] [INFO ] Applying decomposition
[2025-06-01 13:38:28] [INFO ] Flatten gal took : 64 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/graph15442119087246390179.txt' '-o' '/tmp/graph15442119087246390179.bin' '-w' '/tmp/graph15442119087246390179.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph15442119087246390179.bin' '-l' '-1' '-v' '-w' '/tmp/graph15442119087246390179.weights' '-q' '0' '-e' '0.001'
[2025-06-01 13:38:28] [INFO ] Decomposing Gal with order
[2025-06-01 13:38:28] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 13:38:29] [INFO ] Removed a total of 504 redundant transitions.
[2025-06-01 13:38:29] [INFO ] Flatten gal took : 130 ms
[2025-06-01 13:38:29] [INFO ] Fuse similar labels procedure discarded/fused a total of 178 labels/synchronizations in 42 ms.
[2025-06-01 13:38:29] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16640214425422988614.gal : 19 ms
[2025-06-01 13:38:29] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality940240050345450662.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/ReachabilityCardinality16640214425422988614.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality940240050345450662.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 ...307
Loading property file /tmp/ReachabilityCardinality940240050345450662.prop.
Parikh walk visited 0 properties in 30000 ms.
Support contains 6 out of 120 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 120/120 places, 292/292 transitions.
Applied a total of 0 rules in 9 ms. Remains 120 /120 variables (removed 0) and now considering 292/292 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 120/120 places, 292/292 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 120/120 places, 292/292 transitions.
Applied a total of 0 rules in 6 ms. Remains 120 /120 variables (removed 0) and now considering 292/292 (removed 0) transitions.
[2025-06-01 13:38:47] [INFO ] Flow matrix only has 191 transitions (discarded 101 similar events)
[2025-06-01 13:38:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:38:47] [INFO ] Implicit Places using invariants in 173 ms returned []
[2025-06-01 13:38:47] [INFO ] Flow matrix only has 191 transitions (discarded 101 similar events)
[2025-06-01 13:38:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:38:47] [INFO ] State equation strengthened by 31 read => feed constraints.
[2025-06-01 13:38:47] [INFO ] Implicit Places using invariants and state equation in 351 ms returned []
Implicit Place search using SMT with State Equation took 526 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 13:38:47] [INFO ] Redundant transitions in 2 ms returned []
Running 290 sub problems to find dead transitions.
[2025-06-01 13:38:47] [INFO ] Flow matrix only has 191 transitions (discarded 101 similar events)
[2025-06-01 13:38:47] [INFO ] Invariant cache hit.
[2025-06-01 13:38:47] [INFO ] State equation strengthened by 31 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/119 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/119 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 2 (OVERLAPS) 191/310 variables, 119/122 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/310 variables, 31/153 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/310 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 5 (OVERLAPS) 1/311 variables, 1/154 constraints. Problems are: Problem set: 0 solved, 290 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/311 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 7 (OVERLAPS) 0/311 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 290 unsolved
No progress, stopping.
After SMT solving in domain Real declared 311/311 variables, and 154 constraints, problems are : Problem set: 0 solved, 290 unsolved in 10197 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 120/120 constraints, ReadFeed: 31/31 constraints, PredecessorRefiner: 290/290 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 290 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/119 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/119 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 2 (OVERLAPS) 191/310 variables, 119/122 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/310 variables, 31/153 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/310 variables, 32/185 constraints. Problems are: Problem set: 0 solved, 290 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:39:05] [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
[2025-06-01 13:39:05] [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
[2025-06-01 13:39:05] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:39:05] [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
[2025-06-01 13:39:05] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:39:05] [INFO ] Deduced a trap along path composed of 3 places in 19 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/310 variables, 6/191 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/310 variables, 0/191 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 7 (OVERLAPS) 1/311 variables, 1/192 constraints. Problems are: Problem set: 0 solved, 290 unsolved
Detected timeout of ITS tools.
At refinement iteration 8 (INCLUDED_ONLY) 0/311 variables, 258/450 constraints. Problems are: Problem set: 0 solved, 290 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:39:26] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 311/311 variables, and 451 constraints, problems are : Problem set: 0 solved, 290 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 120/120 constraints, ReadFeed: 31/31 constraints, PredecessorRefiner: 290/290 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 7/7 constraints]
After SMT, in 40360ms problems are : Problem set: 0 solved, 290 unsolved
Search for dead transitions found 0 dead transitions in 40362ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40903 ms. Remains : 120/120 places, 292/292 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[712, 59, 8244, 132, 236, 63, 58] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Starting property specific reduction for FunctionPointer-PT-b032-UpperBounds-01
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]
[2025-06-01 13:39:28] [INFO ] Flow matrix only has 194 transitions (discarded 100 similar events)
// Phase 1: matrix 194 rows 121 cols
[2025-06-01 13:39:28] [INFO ] Computed 3 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 25 ms. (384 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 11 ms. (833 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[13] Max Struct:[+inf]
[2025-06-01 13:39:28] [INFO ] Flow matrix only has 194 transitions (discarded 100 similar events)
[2025-06-01 13:39:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 13:39:28] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:39:28] [INFO ] [Real]Absence check using state equation in 105 ms returned sat
[2025-06-01 13:39:28] [INFO ] State equation strengthened by 33 read => feed constraints.
[2025-06-01 13:39:28] [INFO ] [Real]Added 33 Read/Feed constraints in 15 ms returned sat
[2025-06-01 13:39:28] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 13:39:28] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:39:28] [INFO ] [Nat]Absence check using state equation in 102 ms returned sat
[2025-06-01 13:39:28] [INFO ] [Nat]Added 33 Read/Feed constraints in 14 ms returned sat
[2025-06-01 13:39:28] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 28 ms.
[2025-06-01 13:39:28] [INFO ] Added : 4 causal constraints over 3 iterations in 128 ms. Result :sat
Minimization took 53 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[13] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[13] Max Struct:[+inf]
Support contains 1 out of 121 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 121/121 places, 294/294 transitions.
Graph (complete) has 504 edges and 121 vertex of which 120 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 6 place count 115 transition count 282
Iterating global reduction 0 with 5 rules applied. Total rules applied 11 place count 115 transition count 282
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 16 place count 110 transition count 270
Iterating global reduction 0 with 5 rules applied. Total rules applied 21 place count 110 transition count 270
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 26 place count 105 transition count 256
Iterating global reduction 0 with 5 rules applied. Total rules applied 31 place count 105 transition count 256
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 36 place count 100 transition count 242
Iterating global reduction 0 with 5 rules applied. Total rules applied 41 place count 100 transition count 242
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 46 place count 95 transition count 232
Iterating global reduction 0 with 5 rules applied. Total rules applied 51 place count 95 transition count 232
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 56 place count 90 transition count 220
Iterating global reduction 0 with 5 rules applied. Total rules applied 61 place count 90 transition count 220
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 65 place count 86 transition count 212
Iterating global reduction 0 with 4 rules applied. Total rules applied 69 place count 86 transition count 212
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 73 place count 82 transition count 204
Iterating global reduction 0 with 4 rules applied. Total rules applied 77 place count 82 transition count 204
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 81 place count 78 transition count 196
Iterating global reduction 0 with 4 rules applied. Total rules applied 85 place count 78 transition count 196
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 87 place count 76 transition count 192
Iterating global reduction 0 with 2 rules applied. Total rules applied 89 place count 76 transition count 192
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 90 place count 75 transition count 190
Iterating global reduction 0 with 1 rules applied. Total rules applied 91 place count 75 transition count 190
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 92 place count 74 transition count 188
Iterating global reduction 0 with 1 rules applied. Total rules applied 93 place count 74 transition count 188
Applied a total of 93 rules in 38 ms. Remains 74 /121 variables (removed 47) and now considering 188/294 (removed 106) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 38 ms. Remains : 74/121 places, 188/294 transitions.
[2025-06-01 13:39:29] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {24=1, 50=1, 95=1, 113=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {29=1, 55=1, 100=1, 114=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 1) seen :[2147483647]
Current structural bounds on expressions (after cover walk) : Max Seen:[+inf] Max Struct:[+inf]
[2025-06-01 13:39:29] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
// Phase 1: matrix 115 rows 74 cols
[2025-06-01 13:39:29] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[+inf] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1360 ms. (734 steps per ms)
FORMULA FunctionPointer-PT-b032-UpperBounds-12 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FunctionPointer-PT-b032-UpperBounds-01 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 0 steps (0 resets) in 0 ms. (0 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
RANDOM walk for 0 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/0 properties
Finished probabilistic random walk after 0 steps, run visited all 0 properties in 0 ms. (steps per millisecond=0 )
[2025-06-01 13:39:30] [INFO ] Flatten gal took : 30 ms
[2025-06-01 13:39:30] [INFO ] Flatten gal took : 17 ms
[2025-06-01 13:39:30] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12577165159026146101.gal : 3 ms
[2025-06-01 13:39:30] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8615863292769917291.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/ReachabilityCardinality12577165159026146101.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8615863292769917291.prop' '--nowitness' '--gen-order' 'FOLLOW'
ITS runner timed out or was interrupted.
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
ITS tools runner thread asked to quit. Dying gracefully.
java.io.IOException: Stream closed
at java.base/java.io.BufferedInputStream.getBufIfOpen(BufferedInputStream.java:188)
at java.base/java.io.BufferedInputStream.read1(BufferedInputStream.java:343)
at java.base/java.io.BufferedInputStream.implRead(BufferedInputStream.java:420)
at java.base/java.io.BufferedInputStream.read(BufferedInputStream.java:405)
at java.base/sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:350)
at java.base/sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:393)
at java.base/sun.nio.cs.StreamDecoder.lockedRead(StreamDecoder.java:217)
at java.base/sun.nio.cs.StreamDecoder.read(StreamDecoder.java:171)
at java.base/java.io.InputStreamReader.read(InputStreamReader.java:188)
at java.base/java.io.BufferedReader.fill(BufferedReader.java:160)
at java.base/java.io.BufferedReader.implReadLine(BufferedReader.java:370)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:347)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:436)
at fr.lip6.move.gal.application.runner.its.ITSRunner$ITSInterpreter.run(ITSRunner.java:211)
at java.base/java.lang.Thread.run(Thread.java:1583)
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[] Max Struct:[]
Ending property specific reduction for FunctionPointer-PT-b032-UpperBounds-01 in 2303 ms.
Starting property specific reduction for FunctionPointer-PT-b032-UpperBounds-02
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 13:39:30] [INFO ] Flow matrix only has 194 transitions (discarded 100 similar events)
// Phase 1: matrix 194 rows 121 cols
[2025-06-01 13:39:30] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 16 ms. (588 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 13:39:30] [INFO ] Flow matrix only has 194 transitions (discarded 100 similar events)
[2025-06-01 13:39:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 13:39:30] [INFO ] [Real]Absence check using 3 positive place invariants in 32 ms returned sat
[2025-06-01 13:39:30] [INFO ] [Real]Absence check using state equation in 175 ms returned sat
[2025-06-01 13:39:30] [INFO ] State equation strengthened by 33 read => feed constraints.
[2025-06-01 13:39:31] [INFO ] [Real]Added 33 Read/Feed constraints in 8 ms returned sat
[2025-06-01 13:39:31] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 13:39:31] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 13:39:31] [INFO ] [Nat]Absence check using state equation in 75 ms returned sat
[2025-06-01 13:39:31] [INFO ] [Nat]Added 33 Read/Feed constraints in 9 ms returned sat
[2025-06-01 13:39:31] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 15 ms.
[2025-06-01 13:39:31] [INFO ] Added : 9 causal constraints over 3 iterations in 93 ms. Result :sat
Minimization took 50 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[+inf]
Support contains 1 out of 121 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 121/121 places, 294/294 transitions.
Graph (complete) has 504 edges and 121 vertex of which 120 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.5 ms
Discarding 1 places :
Also discarding 0 output transitions
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 6 place count 115 transition count 282
Iterating global reduction 0 with 5 rules applied. Total rules applied 11 place count 115 transition count 282
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 15 place count 111 transition count 272
Iterating global reduction 0 with 4 rules applied. Total rules applied 19 place count 111 transition count 272
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 23 place count 107 transition count 262
Iterating global reduction 0 with 4 rules applied. Total rules applied 27 place count 107 transition count 262
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 31 place count 103 transition count 250
Iterating global reduction 0 with 4 rules applied. Total rules applied 35 place count 103 transition count 250
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 39 place count 99 transition count 242
Iterating global reduction 0 with 4 rules applied. Total rules applied 43 place count 99 transition count 242
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 47 place count 95 transition count 232
Iterating global reduction 0 with 4 rules applied. Total rules applied 51 place count 95 transition count 232
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 54 place count 92 transition count 226
Iterating global reduction 0 with 3 rules applied. Total rules applied 57 place count 92 transition count 226
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 60 place count 89 transition count 220
Iterating global reduction 0 with 3 rules applied. Total rules applied 63 place count 89 transition count 220
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 66 place count 86 transition count 214
Iterating global reduction 0 with 3 rules applied. Total rules applied 69 place count 86 transition count 214
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 71 place count 84 transition count 210
Iterating global reduction 0 with 2 rules applied. Total rules applied 73 place count 84 transition count 210
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 74 place count 83 transition count 208
Iterating global reduction 0 with 1 rules applied. Total rules applied 75 place count 83 transition count 208
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 76 place count 82 transition count 206
Iterating global reduction 0 with 1 rules applied. Total rules applied 77 place count 82 transition count 206
Applied a total of 77 rules in 38 ms. Remains 82 /121 variables (removed 39) and now considering 206/294 (removed 88) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 38 ms. Remains : 82/121 places, 206/294 transitions.
[2025-06-01 13:39:31] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {30=1, 63=1, 93=1, 121=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {24=1, 57=1, 87=1, 122=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 36 ms. (steps per millisecond=277 ) properties (out of 1) seen :[5]
Current structural bounds on expressions (after cover walk) : Max Seen:[5] Max Struct:[+inf]
[2025-06-01 13:39:31] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
// Phase 1: matrix 126 rows 82 cols
[2025-06-01 13:39:31] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[5] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1430 ms. (698 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 685 ms. (1457 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[286] Max Struct:[+inf]
[2025-06-01 13:39:33] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2025-06-01 13:39:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:39:33] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 13:39:33] [INFO ] [Real]Absence check using state equation in 48 ms returned sat
[2025-06-01 13:39:33] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 13:39:33] [INFO ] [Real]Added 18 Read/Feed constraints in 6 ms returned sat
[2025-06-01 13:39:33] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:39:33] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 13:39:33] [INFO ] [Nat]Absence check using state equation in 47 ms returned sat
[2025-06-01 13:39:33] [INFO ] [Nat]Added 18 Read/Feed constraints in 5 ms returned sat
[2025-06-01 13:39:33] [INFO ] Computed and/alt/rep : 59/192/53 causal constraints (skipped 71 transitions) in 10 ms.
[2025-06-01 13:39:33] [INFO ] Added : 9 causal constraints over 3 iterations in 54 ms. Result :sat
Minimization took 28 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[286] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[286] Max Struct:[+inf]
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 206/206 transitions.
Applied a total of 0 rules in 4 ms. Remains 82 /82 variables (removed 0) and now considering 206/206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 82/82 places, 206/206 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 206/206 transitions.
Applied a total of 0 rules in 3 ms. Remains 82 /82 variables (removed 0) and now considering 206/206 (removed 0) transitions.
[2025-06-01 13:39:33] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2025-06-01 13:39:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:39:33] [INFO ] Implicit Places using invariants in 133 ms returned []
[2025-06-01 13:39:34] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2025-06-01 13:39:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:39:34] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 13:39:34] [INFO ] Implicit Places using invariants and state equation in 383 ms returned []
Implicit Place search using SMT with State Equation took 548 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 13:39:34] [INFO ] Redundant transitions in 2 ms returned []
Running 204 sub problems to find dead transitions.
[2025-06-01 13:39:34] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2025-06-01 13:39:34] [INFO ] Invariant cache hit.
[2025-06-01 13:39:34] [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) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 2 (OVERLAPS) 126/208 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/208 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/208 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 5 (OVERLAPS) 0/208 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
No progress, stopping.
After SMT solving in domain Real declared 208/208 variables, and 103 constraints, problems are : Problem set: 0 solved, 204 unsolved in 11655 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 204/204 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 204 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 2 (OVERLAPS) 126/208 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/208 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/208 variables, 204/307 constraints. Problems are: Problem set: 0 solved, 204 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:39:53] [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
[2025-06-01 13:39:53] [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
[2025-06-01 13:39:53] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:39:53] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/208 variables, 4/311 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/208 variables, 0/311 constraints. Problems are: Problem set: 0 solved, 204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 208/208 variables, and 311 constraints, problems are : Problem set: 0 solved, 204 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 204/204 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 4/4 constraints]
After SMT, in 41755ms problems are : Problem set: 0 solved, 204 unsolved
Search for dead transitions found 0 dead transitions in 41757ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 42320 ms. Remains : 82/82 places, 206/206 transitions.
[2025-06-01 13:40:16] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {30=1, 63=1, 93=1, 121=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {24=1, 57=1, 87=1, 122=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 49 ms. (steps per millisecond=204 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[286] Max Struct:[+inf]
[2025-06-01 13:40:16] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2025-06-01 13:40:16] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[286] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1501 ms. (665 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 740 ms. (1349 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[286] Max Struct:[+inf]
[2025-06-01 13:40:18] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2025-06-01 13:40:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:40:18] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 13:40:18] [INFO ] [Real]Absence check using state equation in 49 ms returned sat
[2025-06-01 13:40:18] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 13:40:18] [INFO ] [Real]Added 18 Read/Feed constraints in 5 ms returned sat
[2025-06-01 13:40:18] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:40:18] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 13:40:18] [INFO ] [Nat]Absence check using state equation in 46 ms returned sat
[2025-06-01 13:40:18] [INFO ] [Nat]Added 18 Read/Feed constraints in 5 ms returned sat
[2025-06-01 13:40:18] [INFO ] Computed and/alt/rep : 59/192/53 causal constraints (skipped 71 transitions) in 10 ms.
[2025-06-01 13:40:18] [INFO ] Added : 9 causal constraints over 3 iterations in 54 ms. Result :sat
Minimization took 29 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[286] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[286] Max Struct:[+inf]
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 206/206 transitions.
Applied a total of 0 rules in 4 ms. Remains 82 /82 variables (removed 0) and now considering 206/206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 82/82 places, 206/206 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 206/206 transitions.
Applied a total of 0 rules in 3 ms. Remains 82 /82 variables (removed 0) and now considering 206/206 (removed 0) transitions.
[2025-06-01 13:40:18] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2025-06-01 13:40:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:40:18] [INFO ] Implicit Places using invariants in 97 ms returned []
[2025-06-01 13:40:18] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2025-06-01 13:40:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:40:19] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 13:40:19] [INFO ] Implicit Places using invariants and state equation in 382 ms returned []
Implicit Place search using SMT with State Equation took 494 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 13:40:19] [INFO ] Redundant transitions in 1 ms returned []
Running 204 sub problems to find dead transitions.
[2025-06-01 13:40:19] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2025-06-01 13:40:19] [INFO ] Invariant cache hit.
[2025-06-01 13:40:19] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 2 (OVERLAPS) 126/208 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/208 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/208 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 5 (OVERLAPS) 0/208 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
No progress, stopping.
After SMT solving in domain Real declared 208/208 variables, and 103 constraints, problems are : Problem set: 0 solved, 204 unsolved in 12023 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 204/204 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 204 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 2 (OVERLAPS) 126/208 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/208 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/208 variables, 204/307 constraints. Problems are: Problem set: 0 solved, 204 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:40:37] [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
[2025-06-01 13:40:37] [INFO ] Deduced a trap along path composed of 3 places in 16 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:40:37] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:40:37] [INFO ] Deduced a trap along path composed of 3 places in 21 ms of which 0 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/208 variables, 4/311 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/208 variables, 0/311 constraints. Problems are: Problem set: 0 solved, 204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 208/208 variables, and 311 constraints, problems are : Problem set: 0 solved, 204 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 204/204 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 4/4 constraints]
After SMT, in 42123ms problems are : Problem set: 0 solved, 204 unsolved
Search for dead transitions found 0 dead transitions in 42124ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 42631 ms. Remains : 82/82 places, 206/206 transitions.
[2025-06-01 13:41:01] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {30=1, 63=1, 93=1, 121=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {24=1, 57=1, 87=1, 122=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 36 ms. (steps per millisecond=277 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[286] Max Struct:[+inf]
RANDOM walk for 40000 steps (8 resets) in 142 ms. (279 steps per ms) remains 1/1 properties
[2025-06-01 13:41:01] [INFO ] Flatten gal took : 37 ms
[2025-06-01 13:41:01] [INFO ] Flatten gal took : 24 ms
BEST_FIRST walk for 40003 steps (8 resets) in 57 ms. (689 steps per ms) remains 1/1 properties
[2025-06-01 13:41:01] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality18393946628619676592.gal : 3 ms
[2025-06-01 13:41:01] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality747043007189855780.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/ReachabilityCardinality18393946628619676592.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality747043007189855780.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality747043007189855780.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 31
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :31 after 1045
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1045 after 158850
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :158850 after 1.90899e+08
Interrupted probabilistic random walk after 1506476 steps, run timeout after 3001 ms. (steps per millisecond=501 ) properties seen :0 out of 1
Probabilistic random walk after 1506476 steps, saw 937599 distinct states, run finished after 3004 ms. (steps per millisecond=501 ) properties seen :0
[2025-06-01 13:41:04] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2025-06-01 13:41:04] [INFO ] Invariant cache hit.
[2025-06-01 13:41:04] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/8 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 7/15 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/25 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/25 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 73/98 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/98 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/98 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 7/105 variables, 2/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/105 variables, 3/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/105 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 91/196 variables, 53/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/196 variables, 16/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/196 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 6/202 variables, 1/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/202 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 6/208 variables, 8/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/208 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/208 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 208/208 variables, and 103 constraints, problems are : Problem set: 0 solved, 1 unsolved in 155 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/8 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 7/15 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/25 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/25 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 73/98 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/98 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/98 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/98 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 7/105 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/105 variables, 3/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/105 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 91/196 variables, 53/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/196 variables, 16/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/196 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 6/202 variables, 1/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/202 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 6/208 variables, 8/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/208 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/208 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 208/208 variables, and 104 constraints, problems are : Problem set: 0 solved, 1 unsolved in 157 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 343ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 623 ms.
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 206/206 transitions.
Applied a total of 0 rules in 5 ms. Remains 82 /82 variables (removed 0) and now considering 206/206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 82/82 places, 206/206 transitions.
RANDOM walk for 40013 steps (8 resets) in 82 ms. (482 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 28 ms. (1379 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :1.90899e+08 after 3.32784e+12
Interrupted probabilistic random walk after 1578377 steps, run timeout after 3001 ms. (steps per millisecond=525 ) properties seen :0 out of 1
Probabilistic random walk after 1578377 steps, saw 982355 distinct states, run finished after 3001 ms. (steps per millisecond=525 ) properties seen :0
[2025-06-01 13:41:08] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2025-06-01 13:41:08] [INFO ] Invariant cache hit.
[2025-06-01 13:41:08] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/8 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 7/15 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/25 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/25 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 73/98 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/98 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/98 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 7/105 variables, 2/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/105 variables, 3/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/105 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 91/196 variables, 53/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/196 variables, 16/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/196 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 6/202 variables, 1/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/202 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 6/208 variables, 8/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/208 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/208 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 208/208 variables, and 103 constraints, problems are : Problem set: 0 solved, 1 unsolved in 168 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/8 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 7/15 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/25 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/25 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 73/98 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/98 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/98 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/98 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 7/105 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/105 variables, 3/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/105 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 91/196 variables, 53/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/196 variables, 16/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/196 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 6/202 variables, 1/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/202 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 6/208 variables, 8/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/208 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/208 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 208/208 variables, and 104 constraints, problems are : Problem set: 0 solved, 1 unsolved in 162 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 349ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 632 ms.
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 206/206 transitions.
Applied a total of 0 rules in 3 ms. Remains 82 /82 variables (removed 0) and now considering 206/206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 82/82 places, 206/206 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 206/206 transitions.
Applied a total of 0 rules in 3 ms. Remains 82 /82 variables (removed 0) and now considering 206/206 (removed 0) transitions.
[2025-06-01 13:41:09] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2025-06-01 13:41:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:41:09] [INFO ] Implicit Places using invariants in 115 ms returned []
[2025-06-01 13:41:09] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2025-06-01 13:41:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:41:09] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 13:41:10] [INFO ] Implicit Places using invariants and state equation in 244 ms returned []
Implicit Place search using SMT with State Equation took 384 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 13:41:10] [INFO ] Redundant transitions in 0 ms returned []
Running 204 sub problems to find dead transitions.
[2025-06-01 13:41:10] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2025-06-01 13:41:10] [INFO ] Invariant cache hit.
[2025-06-01 13:41:10] [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) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 2 (OVERLAPS) 126/208 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/208 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/208 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 5 (OVERLAPS) 0/208 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
No progress, stopping.
After SMT solving in domain Real declared 208/208 variables, and 103 constraints, problems are : Problem set: 0 solved, 204 unsolved in 8137 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 204/204 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 204 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 2 (OVERLAPS) 126/208 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/208 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/208 variables, 204/307 constraints. Problems are: Problem set: 0 solved, 204 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:41:24] [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
[2025-06-01 13:41:24] [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
[2025-06-01 13:41:24] [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
[2025-06-01 13:41:24] [INFO ] Deduced a trap along path composed of 3 places in 19 ms of which 0 ms to minimize.
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :3.32784e+12 after 4.65859e+17
At refinement iteration 5 (INCLUDED_ONLY) 0/208 variables, 4/311 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/208 variables, 0/311 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 7 (OVERLAPS) 0/208 variables, 0/311 constraints. Problems are: Problem set: 0 solved, 204 unsolved
No progress, stopping.
After SMT solving in domain Int declared 208/208 variables, and 311 constraints, problems are : Problem set: 0 solved, 204 unsolved in 30011 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 204/204 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 4/4 constraints]
After SMT, in 38198ms problems are : Problem set: 0 solved, 204 unsolved
Search for dead transitions found 0 dead transitions in 38198ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 38593 ms. Remains : 82/82 places, 206/206 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 80 transitions
Reduce isomorphic transitions removed 80 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 0 with 86 rules applied. Total rules applied 86 place count 82 transition count 120
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 92 place count 76 transition count 120
Performed 17 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 17 Pre rules applied. Total rules applied 92 place count 76 transition count 103
Deduced a syphon composed of 17 places in 0 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 2 with 34 rules applied. Total rules applied 126 place count 59 transition count 103
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: 15
Deduced a syphon composed of 15 places in 1 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 2 with 30 rules applied. Total rules applied 156 place count 44 transition count 88
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 163 place count 37 transition count 74
Iterating global reduction 2 with 7 rules applied. Total rules applied 170 place count 37 transition count 74
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 177 place count 30 transition count 60
Iterating global reduction 2 with 7 rules applied. Total rules applied 184 place count 30 transition count 60
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 191 place count 23 transition count 46
Iterating global reduction 2 with 7 rules applied. Total rules applied 198 place count 23 transition count 46
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 205 place count 23 transition count 39
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 205 place count 23 transition count 38
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 207 place count 22 transition count 38
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 211 place count 20 transition count 38
Applied a total of 211 rules in 17 ms. Remains 20 /82 variables (removed 62) and now considering 38/206 (removed 168) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 38 rows 20 cols
[2025-06-01 13:41:48] [INFO ] Computed 3 invariants in 0 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 13:41:48] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 13:41:48] [INFO ] After 17ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2025-06-01 13:41:48] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-01 13:41:48] [INFO ] After 4ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-01 13:41:48] [INFO ] After 56ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 13:41:48] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 13:41:48] [INFO ] After 20ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-01 13:41:48] [INFO ] After 4ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-01 13:41:48] [INFO ] After 8ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-01 13:41:48] [INFO ] After 71ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-01 13:41:48] [INFO ] Flatten gal took : 4 ms
[2025-06-01 13:41:48] [INFO ] Flatten gal took : 2 ms
[2025-06-01 13:41:48] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8723422645152715998.gal : 1 ms
[2025-06-01 13:41:48] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7981520696875215978.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/ReachabilityCardinality8723422645152715998.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7981520696875215978.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality7981520696875215978.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 126
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :126 after 11556
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :11556 after 7.75751e+06
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :7.75751e+06 after 6.04406e+07
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :6.04406e+07 after 3.13809e+08
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :3.13809e+08 after 1.41049e+09
Detected timeout of ITS tools.
[2025-06-01 13:41:51] [INFO ] Flatten gal took : 14 ms
[2025-06-01 13:41:51] [INFO ] Applying decomposition
[2025-06-01 13:41:51] [INFO ] Flatten gal took : 12 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/graph12480043202381086008.txt' '-o' '/tmp/graph12480043202381086008.bin' '-w' '/tmp/graph12480043202381086008.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph12480043202381086008.bin' '-l' '-1' '-v' '-w' '/tmp/graph12480043202381086008.weights' '-q' '0' '-e' '0.001'
[2025-06-01 13:41:51] [INFO ] Decomposing Gal with order
[2025-06-01 13:41:51] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 13:41:51] [INFO ] Removed a total of 351 redundant transitions.
[2025-06-01 13:41:51] [INFO ] Flatten gal took : 40 ms
[2025-06-01 13:41:51] [INFO ] Fuse similar labels procedure discarded/fused a total of 107 labels/synchronizations in 11 ms.
[2025-06-01 13:41:51] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12407731966319195192.gal : 4 ms
[2025-06-01 13:41:51] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality772833054997044750.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/ReachabilityCardinality12407731966319195192.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality772833054997044750.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 ...307
Loading property file /tmp/ReachabilityCardinality772833054997044750.prop.
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :1.41049e+09 after 5.96009e+09
Detected timeout of ITS tools.
[2025-06-01 13:42:03] [INFO ] Flatten gal took : 2 ms
[2025-06-01 13:42:03] [INFO ] Applying decomposition
[2025-06-01 13:42:03] [INFO ] Flatten gal took : 2 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/graph4100071875462187173.txt' '-o' '/tmp/graph4100071875462187173.bin' '-w' '/tmp/graph4100071875462187173.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph4100071875462187173.bin' '-l' '-1' '-v' '-w' '/tmp/graph4100071875462187173.weights' '-q' '0' '-e' '0.001'
[2025-06-01 13:42:03] [INFO ] Decomposing Gal with order
[2025-06-01 13:42:03] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 13:42:03] [INFO ] Removed a total of 35 redundant transitions.
[2025-06-01 13:42:03] [INFO ] Flatten gal took : 5 ms
[2025-06-01 13:42:03] [INFO ] Fuse similar labels procedure discarded/fused a total of 4 labels/synchronizations in 1 ms.
[2025-06-01 13:42:03] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14327531245223586123.gal : 16 ms
[2025-06-01 13:42:03] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6118595219951032304.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/ReachabilityCardinality14327531245223586123.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6118595219951032304.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality6118595219951032304.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 126
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :126 after 4323
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :4323 after 414579
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :414579 after 1.18053e+06
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :1.18053e+06 after 2.71244e+06
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :2.71244e+06 after 5.77624e+06
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :5.77624e+06 after 1.19039e+07
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :1.19039e+07 after 2.41591e+07
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30291 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[286] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b032-UpperBounds-02 in 167950 ms.
Starting property specific reduction for FunctionPointer-PT-b032-UpperBounds-03
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 13:42:18] [INFO ] Flow matrix only has 194 transitions (discarded 100 similar events)
// Phase 1: matrix 194 rows 121 cols
[2025-06-01 13:42:18] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10001 steps (2 resets) in 16 ms. (588 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 14 ms. (666 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[65] Max Struct:[+inf]
[2025-06-01 13:42:18] [INFO ] Flow matrix only has 194 transitions (discarded 100 similar events)
[2025-06-01 13:42:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 13:42:18] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 13:42:18] [INFO ] [Real]Absence check using state equation in 67 ms returned sat
[2025-06-01 13:42:18] [INFO ] State equation strengthened by 33 read => feed constraints.
[2025-06-01 13:42:18] [INFO ] [Real]Added 33 Read/Feed constraints in 9 ms returned sat
[2025-06-01 13:42:18] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 13:42:18] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 13:42:18] [INFO ] [Nat]Absence check using state equation in 68 ms returned sat
[2025-06-01 13:42:18] [INFO ] [Nat]Added 33 Read/Feed constraints in 8 ms returned sat
[2025-06-01 13:42:18] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 13 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:42:19] [INFO ] Deduced a trap composed of 19 places in 183 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:42:19] [INFO ] Deduced a trap composed of 20 places in 152 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:42:19] [INFO ] Deduced a trap composed of 20 places in 157 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:42:19] [INFO ] Deduced a trap composed of 20 places in 171 ms of which 16 ms to minimize.
[2025-06-01 13:42:19] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 762 ms
[2025-06-01 13:42:19] [INFO ] Added : 15 causal constraints over 4 iterations in 895 ms. Result :sat
Minimization took 77 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[65] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[65] Max Struct:[+inf]
Support contains 1 out of 121 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 121/121 places, 294/294 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 116 transition count 282
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 116 transition count 282
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 14 place count 112 transition count 272
Iterating global reduction 0 with 4 rules applied. Total rules applied 18 place count 112 transition count 272
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 22 place count 108 transition count 260
Iterating global reduction 0 with 4 rules applied. Total rules applied 26 place count 108 transition count 260
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 30 place count 104 transition count 250
Iterating global reduction 0 with 4 rules applied. Total rules applied 34 place count 104 transition count 250
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 38 place count 100 transition count 242
Iterating global reduction 0 with 4 rules applied. Total rules applied 42 place count 100 transition count 242
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 46 place count 96 transition count 234
Iterating global reduction 0 with 4 rules applied. Total rules applied 50 place count 96 transition count 234
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 53 place count 93 transition count 228
Iterating global reduction 0 with 3 rules applied. Total rules applied 56 place count 93 transition count 228
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 59 place count 90 transition count 222
Iterating global reduction 0 with 3 rules applied. Total rules applied 62 place count 90 transition count 222
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 65 place count 87 transition count 216
Iterating global reduction 0 with 3 rules applied. Total rules applied 68 place count 87 transition count 216
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 69 place count 86 transition count 214
Iterating global reduction 0 with 1 rules applied. Total rules applied 70 place count 86 transition count 214
Applied a total of 70 rules in 39 ms. Remains 86 /121 variables (removed 35) and now considering 214/294 (removed 80) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 39 ms. Remains : 86/121 places, 214/294 transitions.
[2025-06-01 13:42:19] [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 {27=1, 62=1, 94=1, 128=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {30=1, 65=1, 97=1, 128=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 54 ms. (steps per millisecond=185 ) properties (out of 1) seen :[25]
Current structural bounds on expressions (after cover walk) : Max Seen:[65] Max Struct:[+inf]
[2025-06-01 13:42:20] [INFO ] Flow matrix only has 133 transitions (discarded 81 similar events)
// Phase 1: matrix 133 rows 86 cols
[2025-06-01 13:42:20] [INFO ] Computed 3 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[65] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1336 ms. (747 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 717 ms. (1392 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[223] Max Struct:[+inf]
[2025-06-01 13:42:22] [INFO ] Flow matrix only has 133 transitions (discarded 81 similar events)
[2025-06-01 13:42:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:42:22] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 13:42:22] [INFO ] [Real]Absence check using state equation in 47 ms returned sat
[2025-06-01 13:42:22] [INFO ] State equation strengthened by 19 read => feed constraints.
[2025-06-01 13:42:22] [INFO ] [Real]Added 19 Read/Feed constraints in 7 ms returned sat
[2025-06-01 13:42:22] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:42:22] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 13:42:22] [INFO ] [Nat]Absence check using state equation in 48 ms returned sat
[2025-06-01 13:42:22] [INFO ] [Nat]Added 19 Read/Feed constraints in 6 ms returned sat
[2025-06-01 13:42:22] [INFO ] Computed and/alt/rep : 63/212/57 causal constraints (skipped 74 transitions) in 10 ms.
[2025-06-01 13:42:22] [INFO ] Added : 22 causal constraints over 5 iterations in 78 ms. Result :sat
Minimization took 36 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[223] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[4293] Max Struct:[+inf]
Support contains 1 out of 86 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 86/86 places, 214/214 transitions.
Applied a total of 0 rules in 4 ms. Remains 86 /86 variables (removed 0) and now considering 214/214 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 86/86 places, 214/214 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 86/86 places, 214/214 transitions.
Applied a total of 0 rules in 3 ms. Remains 86 /86 variables (removed 0) and now considering 214/214 (removed 0) transitions.
[2025-06-01 13:42:23] [INFO ] Flow matrix only has 133 transitions (discarded 81 similar events)
[2025-06-01 13:42:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:42:23] [INFO ] Implicit Places using invariants in 108 ms returned []
[2025-06-01 13:42:23] [INFO ] Flow matrix only has 133 transitions (discarded 81 similar events)
[2025-06-01 13:42:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:42:23] [INFO ] State equation strengthened by 19 read => feed constraints.
[2025-06-01 13:42:24] [INFO ] Implicit Places using invariants and state equation in 340 ms returned []
Implicit Place search using SMT with State Equation took 479 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 13:42:24] [INFO ] Redundant transitions in 2 ms returned []
Running 212 sub problems to find dead transitions.
[2025-06-01 13:42:24] [INFO ] Flow matrix only has 133 transitions (discarded 81 similar events)
[2025-06-01 13:42:24] [INFO ] Invariant cache hit.
[2025-06-01 13:42:24] [INFO ] State equation strengthened by 19 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, 3/3 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/85 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 2 (OVERLAPS) 133/218 variables, 85/88 constraints. Problems are: Problem set: 0 solved, 212 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/218 variables, 19/107 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/218 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 5 (OVERLAPS) 1/219 variables, 1/108 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/219 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 7 (OVERLAPS) 0/219 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 212 unsolved
No progress, stopping.
After SMT solving in domain Real declared 219/219 variables, and 108 constraints, problems are : Problem set: 0 solved, 212 unsolved in 8542 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 86/86 constraints, ReadFeed: 19/19 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, 3/3 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/85 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 2 (OVERLAPS) 133/218 variables, 85/88 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/218 variables, 19/107 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/218 variables, 32/139 constraints. Problems are: Problem set: 0 solved, 212 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:42:39] [INFO ] Deduced a trap along path composed of 3 places in 25 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:42:40] [INFO ] Deduced a trap along path composed of 3 places in 25 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:42:40] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/218 variables, 3/142 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/218 variables, 0/142 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 7 (OVERLAPS) 1/219 variables, 1/143 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/219 variables, 180/323 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/219 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 212 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 219/219 variables, and 323 constraints, problems are : Problem set: 0 solved, 212 unsolved in 30010 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 86/86 constraints, ReadFeed: 19/19 constraints, PredecessorRefiner: 212/212 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 38633ms problems are : Problem set: 0 solved, 212 unsolved
Search for dead transitions found 0 dead transitions in 38634ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 39126 ms. Remains : 86/86 places, 214/214 transitions.
[2025-06-01 13:43:02] [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 {27=1, 62=1, 94=1, 128=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {30=1, 65=1, 97=1, 128=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 54 ms. (steps per millisecond=185 ) properties (out of 1) seen :[20]
Current structural bounds on expressions (after cover walk) : Max Seen:[4293] Max Struct:[+inf]
[2025-06-01 13:43:03] [INFO ] Flow matrix only has 133 transitions (discarded 81 similar events)
[2025-06-01 13:43:03] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[4293] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1331 ms. (750 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 735 ms. (1358 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[7796] Max Struct:[+inf]
[2025-06-01 13:43:05] [INFO ] Flow matrix only has 133 transitions (discarded 81 similar events)
[2025-06-01 13:43:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:43:05] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 13:43:05] [INFO ] [Real]Absence check using state equation in 46 ms returned sat
[2025-06-01 13:43:05] [INFO ] State equation strengthened by 19 read => feed constraints.
[2025-06-01 13:43:05] [INFO ] [Real]Added 19 Read/Feed constraints in 6 ms returned sat
[2025-06-01 13:43:05] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:43:05] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 13:43:05] [INFO ] [Nat]Absence check using state equation in 48 ms returned sat
[2025-06-01 13:43:05] [INFO ] [Nat]Added 19 Read/Feed constraints in 6 ms returned sat
[2025-06-01 13:43:05] [INFO ] Computed and/alt/rep : 63/212/57 causal constraints (skipped 74 transitions) in 10 ms.
[2025-06-01 13:43:05] [INFO ] Added : 22 causal constraints over 5 iterations in 74 ms. Result :sat
Minimization took 34 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[7796] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[151234] Max Struct:[+inf]
Support contains 1 out of 86 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 86/86 places, 214/214 transitions.
Applied a total of 0 rules in 4 ms. Remains 86 /86 variables (removed 0) and now considering 214/214 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 86/86 places, 214/214 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 86/86 places, 214/214 transitions.
Applied a total of 0 rules in 4 ms. Remains 86 /86 variables (removed 0) and now considering 214/214 (removed 0) transitions.
[2025-06-01 13:43:35] [INFO ] Flow matrix only has 133 transitions (discarded 81 similar events)
[2025-06-01 13:43:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:43:35] [INFO ] Implicit Places using invariants in 135 ms returned []
[2025-06-01 13:43:35] [INFO ] Flow matrix only has 133 transitions (discarded 81 similar events)
[2025-06-01 13:43:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:43:35] [INFO ] State equation strengthened by 19 read => feed constraints.
[2025-06-01 13:43:35] [INFO ] Implicit Places using invariants and state equation in 358 ms returned []
Implicit Place search using SMT with State Equation took 524 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 13:43:35] [INFO ] Redundant transitions in 1 ms returned []
Running 212 sub problems to find dead transitions.
[2025-06-01 13:43:35] [INFO ] Flow matrix only has 133 transitions (discarded 81 similar events)
[2025-06-01 13:43:35] [INFO ] Invariant cache hit.
[2025-06-01 13:43:35] [INFO ] State equation strengthened by 19 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, 3/3 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/85 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 2 (OVERLAPS) 133/218 variables, 85/88 constraints. Problems are: Problem set: 0 solved, 212 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/218 variables, 19/107 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/218 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 5 (OVERLAPS) 1/219 variables, 1/108 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/219 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 7 (OVERLAPS) 0/219 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 212 unsolved
No progress, stopping.
After SMT solving in domain Real declared 219/219 variables, and 108 constraints, problems are : Problem set: 0 solved, 212 unsolved in 8171 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 86/86 constraints, ReadFeed: 19/19 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, 3/3 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/85 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 2 (OVERLAPS) 133/218 variables, 85/88 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/218 variables, 19/107 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/218 variables, 32/139 constraints. Problems are: Problem set: 0 solved, 212 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:43:50] [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
[2025-06-01 13:43:50] [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
[2025-06-01 13:43:50] [INFO ] Deduced a trap along path composed of 3 places in 25 ms of which 0 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/218 variables, 3/142 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/218 variables, 0/142 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 7 (OVERLAPS) 1/219 variables, 1/143 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/219 variables, 180/323 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/219 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 212 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 219/219 variables, and 323 constraints, problems are : Problem set: 0 solved, 212 unsolved in 30012 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 86/86 constraints, ReadFeed: 19/19 constraints, PredecessorRefiner: 212/212 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 38247ms problems are : Problem set: 0 solved, 212 unsolved
Search for dead transitions found 0 dead transitions in 38249ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 38789 ms. Remains : 86/86 places, 214/214 transitions.
[2025-06-01 13:44:14] [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 {27=1, 62=1, 94=1, 128=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {30=1, 65=1, 97=1, 128=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 1) seen :[23]
Current structural bounds on expressions (after cover walk) : Max Seen:[151234] Max Struct:[+inf]
[2025-06-01 13:44:14] [INFO ] Flow matrix only has 133 transitions (discarded 81 similar events)
[2025-06-01 13:44:14] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[151234] Max Struct:[+inf]
RANDOM walk for 1000001 steps (2 resets) in 1355 ms. (737 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 722 ms. (1383 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[151234] Max Struct:[+inf]
[2025-06-01 13:44:16] [INFO ] Flow matrix only has 133 transitions (discarded 81 similar events)
[2025-06-01 13:44:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:44:16] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 13:44:16] [INFO ] [Real]Absence check using state equation in 46 ms returned sat
[2025-06-01 13:44:16] [INFO ] State equation strengthened by 19 read => feed constraints.
[2025-06-01 13:44:16] [INFO ] [Real]Added 19 Read/Feed constraints in 6 ms returned sat
[2025-06-01 13:44:16] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:44:16] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 13:44:16] [INFO ] [Nat]Absence check using state equation in 52 ms returned sat
[2025-06-01 13:44:16] [INFO ] [Nat]Added 19 Read/Feed constraints in 8 ms returned sat
[2025-06-01 13:44:16] [INFO ] Computed and/alt/rep : 63/212/57 causal constraints (skipped 74 transitions) in 11 ms.
[2025-06-01 13:44:16] [INFO ] Added : 22 causal constraints over 5 iterations in 89 ms. Result :sat
Minimization took 42 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[151234] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[151234] Max Struct:[+inf]
Support contains 1 out of 86 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 86/86 places, 214/214 transitions.
Applied a total of 0 rules in 3 ms. Remains 86 /86 variables (removed 0) and now considering 214/214 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 86/86 places, 214/214 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 86/86 places, 214/214 transitions.
Applied a total of 0 rules in 4 ms. Remains 86 /86 variables (removed 0) and now considering 214/214 (removed 0) transitions.
[2025-06-01 13:44:46] [INFO ] Flow matrix only has 133 transitions (discarded 81 similar events)
[2025-06-01 13:44:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:44:46] [INFO ] Implicit Places using invariants in 128 ms returned []
[2025-06-01 13:44:46] [INFO ] Flow matrix only has 133 transitions (discarded 81 similar events)
[2025-06-01 13:44:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:44:46] [INFO ] State equation strengthened by 19 read => feed constraints.
[2025-06-01 13:44:47] [INFO ] Implicit Places using invariants and state equation in 323 ms returned []
Implicit Place search using SMT with State Equation took 453 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 13:44:47] [INFO ] Redundant transitions in 1 ms returned []
Running 212 sub problems to find dead transitions.
[2025-06-01 13:44:47] [INFO ] Flow matrix only has 133 transitions (discarded 81 similar events)
[2025-06-01 13:44:47] [INFO ] Invariant cache hit.
[2025-06-01 13:44:47] [INFO ] State equation strengthened by 19 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, 3/3 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/85 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 2 (OVERLAPS) 133/218 variables, 85/88 constraints. Problems are: Problem set: 0 solved, 212 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/218 variables, 19/107 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/218 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 5 (OVERLAPS) 1/219 variables, 1/108 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/219 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 7 (OVERLAPS) 0/219 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 212 unsolved
No progress, stopping.
After SMT solving in domain Real declared 219/219 variables, and 108 constraints, problems are : Problem set: 0 solved, 212 unsolved in 9015 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 86/86 constraints, ReadFeed: 19/19 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, 3/3 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/85 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 2 (OVERLAPS) 133/218 variables, 85/88 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/218 variables, 19/107 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/218 variables, 32/139 constraints. Problems are: Problem set: 0 solved, 212 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:45:03] [INFO ] Deduced a trap along path composed of 3 places in 28 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:45:03] [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
[2025-06-01 13:45:03] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/218 variables, 3/142 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/218 variables, 0/142 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 7 (OVERLAPS) 1/219 variables, 1/143 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/219 variables, 180/323 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/219 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 212 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 219/219 variables, and 323 constraints, problems are : Problem set: 0 solved, 212 unsolved in 30010 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 86/86 constraints, ReadFeed: 19/19 constraints, PredecessorRefiner: 212/212 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 39119ms problems are : Problem set: 0 solved, 212 unsolved
Search for dead transitions found 0 dead transitions in 39120ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 39586 ms. Remains : 86/86 places, 214/214 transitions.
[2025-06-01 13:45:26] [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 {27=1, 62=1, 94=1, 128=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {30=1, 65=1, 97=1, 128=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 1) seen :[31]
Current structural bounds on expressions (after cover walk) : Max Seen:[151234] Max Struct:[+inf]
[2025-06-01 13:45:26] [INFO ] Flatten gal took : 11 ms
[2025-06-01 13:45:26] [INFO ] Flatten gal took : 11 ms
[2025-06-01 13:45:26] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6005920657015233922.gal : 2 ms
[2025-06-01 13:45:26] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7970345485687822072.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/ReachabilityCardinality6005920657015233922.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7970345485687822072.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
RANDOM walk for 40005 steps (8 resets) in 91 ms. (434 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 31 ms. (1250 steps per ms) remains 1/1 properties
Loading property file /tmp/ReachabilityCardinality7970345485687822072.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 31
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :31 after 1050
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1050 after 163499
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :163499 after 2.11106e+08
Interrupted probabilistic random walk after 1566378 steps, run timeout after 3029 ms. (steps per millisecond=517 ) properties seen :0 out of 1
Probabilistic random walk after 1566378 steps, saw 974896 distinct states, run finished after 3030 ms. (steps per millisecond=516 ) properties seen :0
[2025-06-01 13:45:29] [INFO ] Flow matrix only has 133 transitions (discarded 81 similar events)
[2025-06-01 13:45:29] [INFO ] Invariant cache hit.
[2025-06-01 13:45:29] [INFO ] State equation strengthened by 19 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 73/76 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/76 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/76 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 9/85 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/85 variables, 3/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/85 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 105/190 variables, 60/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/190 variables, 18/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/190 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 6/196 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/196 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 16/212 variables, 13/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/212 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 4/216 variables, 2/106 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/216 variables, 0/106 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 3/219 variables, 2/108 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/219 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/219 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 219/219 variables, and 108 constraints, problems are : Problem set: 0 solved, 1 unsolved in 139 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 86/86 constraints, ReadFeed: 19/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 73/76 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/76 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/76 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/76 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/85 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/85 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/85 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 105/190 variables, 60/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/190 variables, 18/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/190 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 6/196 variables, 1/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/196 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 16/212 variables, 13/105 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:45:29] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 0 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/212 variables, 1/106 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/212 variables, 0/106 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 4/216 variables, 2/108 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/216 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 3/219 variables, 2/110 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/219 variables, 0/110 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/219 variables, 0/110 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 219/219 variables, and 110 constraints, problems are : Problem set: 0 solved, 1 unsolved in 209 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 86/86 constraints, ReadFeed: 19/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 352ms problems are : Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :2.11106e+08 after 4.67922e+12
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :4.67922e+12 after 1.16138e+18
Parikh walk visited 0 properties in 30000 ms.
Support contains 1 out of 86 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 86/86 places, 214/214 transitions.
Applied a total of 0 rules in 3 ms. Remains 86 /86 variables (removed 0) and now considering 214/214 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 86/86 places, 214/214 transitions.
RANDOM walk for 40002 steps (8 resets) in 70 ms. (563 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 31 ms. (1250 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1737510 steps, run timeout after 3001 ms. (steps per millisecond=578 ) properties seen :0 out of 1
Probabilistic random walk after 1737510 steps, saw 1081416 distinct states, run finished after 3001 ms. (steps per millisecond=578 ) properties seen :0
[2025-06-01 13:46:02] [INFO ] Flow matrix only has 133 transitions (discarded 81 similar events)
[2025-06-01 13:46:02] [INFO ] Invariant cache hit.
[2025-06-01 13:46:02] [INFO ] State equation strengthened by 19 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 73/76 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/76 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/76 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 9/85 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/85 variables, 3/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/85 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 105/190 variables, 60/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/190 variables, 18/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/190 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 6/196 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/196 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 16/212 variables, 13/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/212 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 4/216 variables, 2/106 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/216 variables, 0/106 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 3/219 variables, 2/108 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/219 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/219 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 219/219 variables, and 108 constraints, problems are : Problem set: 0 solved, 1 unsolved in 125 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 86/86 constraints, ReadFeed: 19/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 73/76 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/76 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/76 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/76 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/85 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/85 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/85 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 105/190 variables, 60/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/190 variables, 18/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/190 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 6/196 variables, 1/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/196 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 16/212 variables, 13/105 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:46:03] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 1 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/212 variables, 1/106 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/212 variables, 0/106 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 4/216 variables, 2/108 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/216 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 3/219 variables, 2/110 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/219 variables, 0/110 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/219 variables, 0/110 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 219/219 variables, and 110 constraints, problems are : Problem set: 0 solved, 1 unsolved in 206 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 86/86 constraints, ReadFeed: 19/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 358ms problems are : Problem set: 0 solved, 1 unsolved
Detected timeout of ITS tools.
[2025-06-01 13:46:16] [INFO ] Flatten gal took : 10 ms
[2025-06-01 13:46:16] [INFO ] Applying decomposition
[2025-06-01 13:46:16] [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/graph2558326586532545927.txt' '-o' '/tmp/graph2558326586532545927.bin' '-w' '/tmp/graph2558326586532545927.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph2558326586532545927.bin' '-l' '-1' '-v' '-w' '/tmp/graph2558326586532545927.weights' '-q' '0' '-e' '0.001'
[2025-06-01 13:46:16] [INFO ] Decomposing Gal with order
[2025-06-01 13:46:16] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 13:46:16] [INFO ] Removed a total of 365 redundant transitions.
[2025-06-01 13:46:16] [INFO ] Flatten gal took : 24 ms
[2025-06-01 13:46:16] [INFO ] Fuse similar labels procedure discarded/fused a total of 103 labels/synchronizations in 10 ms.
[2025-06-01 13:46:16] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10033885025480160090.gal : 3 ms
[2025-06-01 13:46:16] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11440496572963743339.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/ReachabilityCardinality10033885025480160090.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11440496572963743339.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...309
Loading property file /tmp/ReachabilityCardinality11440496572963743339.prop.
Parikh walk visited 0 properties in 30000 ms.
Support contains 1 out of 86 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 86/86 places, 214/214 transitions.
Applied a total of 0 rules in 4 ms. Remains 86 /86 variables (removed 0) and now considering 214/214 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 86/86 places, 214/214 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 86/86 places, 214/214 transitions.
Applied a total of 0 rules in 3 ms. Remains 86 /86 variables (removed 0) and now considering 214/214 (removed 0) transitions.
[2025-06-01 13:46:33] [INFO ] Flow matrix only has 133 transitions (discarded 81 similar events)
[2025-06-01 13:46:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:46:33] [INFO ] Implicit Places using invariants in 98 ms returned []
[2025-06-01 13:46:33] [INFO ] Flow matrix only has 133 transitions (discarded 81 similar events)
[2025-06-01 13:46:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:46:33] [INFO ] State equation strengthened by 19 read => feed constraints.
[2025-06-01 13:46:33] [INFO ] Implicit Places using invariants and state equation in 242 ms returned []
Implicit Place search using SMT with State Equation took 343 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 13:46:33] [INFO ] Redundant transitions in 1 ms returned []
Running 212 sub problems to find dead transitions.
[2025-06-01 13:46:33] [INFO ] Flow matrix only has 133 transitions (discarded 81 similar events)
[2025-06-01 13:46:33] [INFO ] Invariant cache hit.
[2025-06-01 13:46:33] [INFO ] State equation strengthened by 19 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, 3/3 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/85 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 2 (OVERLAPS) 133/218 variables, 85/88 constraints. Problems are: Problem set: 0 solved, 212 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/218 variables, 19/107 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/218 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 5 (OVERLAPS) 1/219 variables, 1/108 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/219 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 7 (OVERLAPS) 0/219 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 212 unsolved
No progress, stopping.
After SMT solving in domain Real declared 219/219 variables, and 108 constraints, problems are : Problem set: 0 solved, 212 unsolved in 5626 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 86/86 constraints, ReadFeed: 19/19 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, 3/3 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/85 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 2 (OVERLAPS) 133/218 variables, 85/88 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/218 variables, 19/107 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/218 variables, 32/139 constraints. Problems are: Problem set: 0 solved, 212 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:46:43] [INFO ] Deduced a trap along path composed of 3 places in 26 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:46:43] [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
[2025-06-01 13:46:43] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/218 variables, 3/142 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/218 variables, 0/142 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 7 (OVERLAPS) 1/219 variables, 1/143 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/219 variables, 180/323 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/219 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 212 unsolved
Detected timeout of ITS tools.
At refinement iteration 10 (OVERLAPS) 0/219 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 212 unsolved
No progress, stopping.
After SMT solving in domain Int declared 219/219 variables, and 323 constraints, problems are : Problem set: 0 solved, 212 unsolved in 30007 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 86/86 constraints, ReadFeed: 19/19 constraints, PredecessorRefiner: 212/212 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 35689ms problems are : Problem set: 0 solved, 212 unsolved
Search for dead transitions found 0 dead transitions in 35690ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36042 ms. Remains : 86/86 places, 214/214 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[151234] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b032-UpperBounds-03 in 290678 ms.
Starting property specific reduction for FunctionPointer-PT-b032-UpperBounds-04
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 13:47:09] [INFO ] Flow matrix only has 194 transitions (discarded 100 similar events)
// Phase 1: matrix 194 rows 121 cols
[2025-06-01 13:47:09] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 14 ms. (666 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[+inf]
[2025-06-01 13:47:09] [INFO ] Flow matrix only has 194 transitions (discarded 100 similar events)
[2025-06-01 13:47:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 13:47:09] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 13:47:09] [INFO ] [Real]Absence check using state equation in 63 ms returned sat
[2025-06-01 13:47:09] [INFO ] State equation strengthened by 33 read => feed constraints.
[2025-06-01 13:47:09] [INFO ] [Real]Added 33 Read/Feed constraints in 10 ms returned sat
[2025-06-01 13:47:09] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 13:47:09] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 13:47:09] [INFO ] [Nat]Absence check using state equation in 62 ms returned sat
[2025-06-01 13:47:09] [INFO ] [Nat]Added 33 Read/Feed constraints in 9 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:47:09] [INFO ] Deduced a trap composed of 19 places in 94 ms of which 9 ms to minimize.
[2025-06-01 13:47:09] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 109 ms
[2025-06-01 13:47:09] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 13 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:47:09] [INFO ] Deduced a trap composed of 19 places in 93 ms of which 5 ms to minimize.
[2025-06-01 13:47:09] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 112 ms
[2025-06-01 13:47:09] [INFO ] Added : 5 causal constraints over 3 iterations in 184 ms. Result :sat
Minimization took 43 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[+inf]
Support contains 1 out of 121 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 121/121 places, 294/294 transitions.
Graph (complete) has 504 edges and 121 vertex of which 120 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 6 place count 115 transition count 282
Iterating global reduction 0 with 5 rules applied. Total rules applied 11 place count 115 transition count 282
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 15 place count 111 transition count 272
Iterating global reduction 0 with 4 rules applied. Total rules applied 19 place count 111 transition count 272
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 23 place count 107 transition count 260
Iterating global reduction 0 with 4 rules applied. Total rules applied 27 place count 107 transition count 260
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 31 place count 103 transition count 248
Iterating global reduction 0 with 4 rules applied. Total rules applied 35 place count 103 transition count 248
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 39 place count 99 transition count 240
Iterating global reduction 0 with 4 rules applied. Total rules applied 43 place count 99 transition count 240
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 47 place count 95 transition count 230
Iterating global reduction 0 with 4 rules applied. Total rules applied 51 place count 95 transition count 230
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 55 place count 91 transition count 222
Iterating global reduction 0 with 4 rules applied. Total rules applied 59 place count 91 transition count 222
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 63 place count 87 transition count 214
Iterating global reduction 0 with 4 rules applied. Total rules applied 67 place count 87 transition count 214
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 71 place count 83 transition count 206
Iterating global reduction 0 with 4 rules applied. Total rules applied 75 place count 83 transition count 206
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 77 place count 81 transition count 202
Iterating global reduction 0 with 2 rules applied. Total rules applied 79 place count 81 transition count 202
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 80 place count 80 transition count 200
Iterating global reduction 0 with 1 rules applied. Total rules applied 81 place count 80 transition count 200
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 82 place count 79 transition count 198
Iterating global reduction 0 with 1 rules applied. Total rules applied 83 place count 79 transition count 198
Applied a total of 83 rules in 22 ms. Remains 79 /121 variables (removed 42) and now considering 198/294 (removed 96) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 22 ms. Remains : 79/121 places, 198/294 transitions.
[2025-06-01 13:47:09] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {31=1, 60=1, 106=1, 121=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {30=1, 59=1, 105=1, 120=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 49 ms. (steps per millisecond=204 ) properties (out of 1) seen :[5]
Current structural bounds on expressions (after cover walk) : Max Seen:[5] Max Struct:[+inf]
[2025-06-01 13:47:10] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
// Phase 1: matrix 122 rows 79 cols
[2025-06-01 13:47:10] [INFO ] Computed 3 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[5] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1459 ms. (684 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 641 ms. (1557 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[741] Max Struct:[+inf]
[2025-06-01 13:47:12] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 13:47:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:47:12] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 13:47:12] [INFO ] [Real]Absence check using state equation in 42 ms returned sat
[2025-06-01 13:47:12] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 13:47:12] [INFO ] [Real]Added 18 Read/Feed constraints in 5 ms returned sat
[2025-06-01 13:47:12] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:47:12] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 13:47:12] [INFO ] [Nat]Absence check using state equation in 40 ms returned sat
[2025-06-01 13:47:12] [INFO ] [Nat]Added 18 Read/Feed constraints in 4 ms returned sat
[2025-06-01 13:47:12] [INFO ] Computed and/alt/rep : 59/192/53 causal constraints (skipped 67 transitions) in 9 ms.
[2025-06-01 13:47:12] [INFO ] Added : 10 causal constraints over 3 iterations in 49 ms. Result :sat
Minimization took 26 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[741] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[741] Max Struct:[+inf]
Support contains 1 out of 79 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 198/198 transitions.
Applied a total of 0 rules in 3 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 79/79 places, 198/198 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 198/198 transitions.
Applied a total of 0 rules in 2 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
[2025-06-01 13:47:12] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 13:47:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:47:12] [INFO ] Implicit Places using invariants in 165 ms returned []
[2025-06-01 13:47:12] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 13:47:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:47:12] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 13:47:13] [INFO ] Implicit Places using invariants and state equation in 397 ms returned []
Implicit Place search using SMT with State Equation took 564 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 13:47:13] [INFO ] Redundant transitions in 0 ms returned []
Running 196 sub problems to find dead transitions.
[2025-06-01 13:47:13] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 13:47:13] [INFO ] Invariant cache hit.
[2025-06-01 13:47:13] [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) 0/79 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/79 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 2 (OVERLAPS) 122/201 variables, 79/82 constraints. Problems are: Problem set: 0 solved, 196 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/201 variables, 18/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 5 (OVERLAPS) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
No progress, stopping.
After SMT solving in domain Real declared 201/201 variables, and 100 constraints, problems are : Problem set: 0 solved, 196 unsolved in 6268 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 196/196 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 196 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/79 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/79 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 2 (OVERLAPS) 122/201 variables, 79/82 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/201 variables, 18/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/201 variables, 196/296 constraints. Problems are: Problem set: 0 solved, 196 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:47:26] [INFO ] Deduced a trap along path composed of 3 places in 29 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:47:26] [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
[2025-06-01 13:47:26] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/201 variables, 3/299 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/201 variables, 0/299 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 7 (OVERLAPS) 0/201 variables, 0/299 constraints. Problems are: Problem set: 0 solved, 196 unsolved
No progress, stopping.
After SMT solving in domain Int declared 201/201 variables, and 299 constraints, problems are : Problem set: 0 solved, 196 unsolved in 30010 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 196/196 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 36349ms problems are : Problem set: 0 solved, 196 unsolved
Search for dead transitions found 0 dead transitions in 36356ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36931 ms. Remains : 79/79 places, 198/198 transitions.
[2025-06-01 13:47:49] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {31=1, 60=1, 106=1, 121=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {30=1, 59=1, 105=1, 120=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 41 ms. (steps per millisecond=243 ) properties (out of 1) seen :[8]
Current structural bounds on expressions (after cover walk) : Max Seen:[741] Max Struct:[+inf]
[2025-06-01 13:47:49] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 13:47:49] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[741] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1308 ms. (763 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 655 ms. (1524 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[776] Max Struct:[+inf]
[2025-06-01 13:47:51] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 13:47:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:47:51] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 13:47:51] [INFO ] [Real]Absence check using state equation in 45 ms returned sat
[2025-06-01 13:47:51] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 13:47:51] [INFO ] [Real]Added 18 Read/Feed constraints in 5 ms returned sat
[2025-06-01 13:47:51] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:47:51] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 13:47:51] [INFO ] [Nat]Absence check using state equation in 45 ms returned sat
[2025-06-01 13:47:51] [INFO ] [Nat]Added 18 Read/Feed constraints in 5 ms returned sat
[2025-06-01 13:47:51] [INFO ] Computed and/alt/rep : 59/192/53 causal constraints (skipped 67 transitions) in 9 ms.
[2025-06-01 13:47:51] [INFO ] Added : 10 causal constraints over 3 iterations in 51 ms. Result :sat
Minimization took 28 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[776] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[776] Max Struct:[+inf]
Support contains 1 out of 79 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 198/198 transitions.
Applied a total of 0 rules in 4 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 79/79 places, 198/198 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 198/198 transitions.
Applied a total of 0 rules in 3 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
[2025-06-01 13:47:51] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 13:47:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:47:51] [INFO ] Implicit Places using invariants in 118 ms returned []
[2025-06-01 13:47:51] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 13:47:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:47:51] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 13:47:52] [INFO ] Implicit Places using invariants and state equation in 285 ms returned []
Implicit Place search using SMT with State Equation took 404 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 13:47:52] [INFO ] Redundant transitions in 1 ms returned []
Running 196 sub problems to find dead transitions.
[2025-06-01 13:47:52] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 13:47:52] [INFO ] Invariant cache hit.
[2025-06-01 13:47:52] [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) 0/79 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/79 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 2 (OVERLAPS) 122/201 variables, 79/82 constraints. Problems are: Problem set: 0 solved, 196 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/201 variables, 18/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 5 (OVERLAPS) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
No progress, stopping.
After SMT solving in domain Real declared 201/201 variables, and 100 constraints, problems are : Problem set: 0 solved, 196 unsolved in 6064 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 196/196 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 196 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/79 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/79 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 2 (OVERLAPS) 122/201 variables, 79/82 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/201 variables, 18/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/201 variables, 196/296 constraints. Problems are: Problem set: 0 solved, 196 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:48:04] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:48:04] [INFO ] Deduced a trap along path composed of 3 places in 16 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:48:04] [INFO ] Deduced a trap along path composed of 3 places in 16 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/201 variables, 3/299 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/201 variables, 0/299 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 7 (OVERLAPS) 0/201 variables, 0/299 constraints. Problems are: Problem set: 0 solved, 196 unsolved
No progress, stopping.
After SMT solving in domain Int declared 201/201 variables, and 299 constraints, problems are : Problem set: 0 solved, 196 unsolved in 30012 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 196/196 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 36130ms problems are : Problem set: 0 solved, 196 unsolved
Search for dead transitions found 0 dead transitions in 36131ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36544 ms. Remains : 79/79 places, 198/198 transitions.
[2025-06-01 13:48:28] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {31=1, 60=1, 106=1, 121=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {30=1, 59=1, 105=1, 120=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 29 ms. (steps per millisecond=344 ) properties (out of 1) seen :[6]
Current structural bounds on expressions (after cover walk) : Max Seen:[776] Max Struct:[+inf]
[2025-06-01 13:48:28] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 13:48:28] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[776] Max Struct:[+inf]
RANDOM walk for 1000005 steps (2 resets) in 1204 ms. (829 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 874 ms. (1142 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[776] Max Struct:[+inf]
[2025-06-01 13:48:30] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 13:48:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:48:30] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 13:48:30] [INFO ] [Real]Absence check using state equation in 44 ms returned sat
[2025-06-01 13:48:30] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 13:48:30] [INFO ] [Real]Added 18 Read/Feed constraints in 5 ms returned sat
[2025-06-01 13:48:30] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:48:30] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 13:48:30] [INFO ] [Nat]Absence check using state equation in 44 ms returned sat
[2025-06-01 13:48:30] [INFO ] [Nat]Added 18 Read/Feed constraints in 4 ms returned sat
[2025-06-01 13:48:30] [INFO ] Computed and/alt/rep : 59/192/53 causal constraints (skipped 67 transitions) in 9 ms.
[2025-06-01 13:48:30] [INFO ] Added : 10 causal constraints over 3 iterations in 50 ms. Result :sat
Minimization took 28 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[776] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[776] Max Struct:[+inf]
Support contains 1 out of 79 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 198/198 transitions.
Applied a total of 0 rules in 3 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 79/79 places, 198/198 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 198/198 transitions.
Applied a total of 0 rules in 3 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
[2025-06-01 13:48:30] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 13:48:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:48:30] [INFO ] Implicit Places using invariants in 103 ms returned []
[2025-06-01 13:48:30] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 13:48:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:48:30] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 13:48:31] [INFO ] Implicit Places using invariants and state equation in 347 ms returned []
Implicit Place search using SMT with State Equation took 460 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 13:48:31] [INFO ] Redundant transitions in 1 ms returned []
Running 196 sub problems to find dead transitions.
[2025-06-01 13:48:31] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 13:48:31] [INFO ] Invariant cache hit.
[2025-06-01 13:48:31] [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) 0/79 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/79 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 2 (OVERLAPS) 122/201 variables, 79/82 constraints. Problems are: Problem set: 0 solved, 196 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/201 variables, 18/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 5 (OVERLAPS) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
No progress, stopping.
After SMT solving in domain Real declared 201/201 variables, and 100 constraints, problems are : Problem set: 0 solved, 196 unsolved in 6426 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 196/196 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 196 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/79 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/79 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 2 (OVERLAPS) 122/201 variables, 79/82 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/201 variables, 18/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/201 variables, 196/296 constraints. Problems are: Problem set: 0 solved, 196 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:48:44] [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
[2025-06-01 13:48:44] [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
[2025-06-01 13:48:44] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 0 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/201 variables, 3/299 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/201 variables, 0/299 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 7 (OVERLAPS) 0/201 variables, 0/299 constraints. Problems are: Problem set: 0 solved, 196 unsolved
No progress, stopping.
After SMT solving in domain Int declared 201/201 variables, and 299 constraints, problems are : Problem set: 0 solved, 196 unsolved in 30010 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 196/196 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 36513ms problems are : Problem set: 0 solved, 196 unsolved
Search for dead transitions found 0 dead transitions in 36514ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36985 ms. Remains : 79/79 places, 198/198 transitions.
[2025-06-01 13:49:07] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {31=1, 60=1, 106=1, 121=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {30=1, 59=1, 105=1, 120=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 1) seen :[7]
Current structural bounds on expressions (after cover walk) : Max Seen:[776] Max Struct:[+inf]
[2025-06-01 13:49:07] [INFO ] Flatten gal took : 9 ms
[2025-06-01 13:49:07] [INFO ] Flatten gal took : 9 ms
[2025-06-01 13:49:07] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2149197680631549011.gal : 2 ms
[2025-06-01 13:49:07] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2003022225475210851.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/ReachabilityCardinality2149197680631549011.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2003022225475210851.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality2003022225475210851.prop.
RANDOM walk for 40008 steps (8 resets) in 131 ms. (303 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 31
BEST_FIRST walk for 40003 steps (8 resets) in 54 ms. (727 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :31 after 1040
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1040 after 155244
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :155244 after 1.77406e+08
Interrupted probabilistic random walk after 1717851 steps, run timeout after 3001 ms. (steps per millisecond=572 ) properties seen :0 out of 1
Probabilistic random walk after 1717851 steps, saw 1069172 distinct states, run finished after 3004 ms. (steps per millisecond=571 ) properties seen :0
[2025-06-01 13:49:10] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 13:49:10] [INFO ] Invariant cache hit.
[2025-06-01 13:49:10] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 71/75 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/75 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 7/82 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/82 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/82 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 100/182 variables, 57/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/182 variables, 17/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/182 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 6/188 variables, 1/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/188 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 10/198 variables, 10/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/198 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 3/201 variables, 2/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 201/201 variables, and 100 constraints, problems are : Problem set: 0 solved, 1 unsolved in 112 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 71/75 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/75 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/75 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/82 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/82 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/82 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 100/182 variables, 57/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/182 variables, 17/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/182 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 6/188 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/188 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 10/198 variables, 10/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:49:11] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 1 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/198 variables, 1/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/198 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 3/201 variables, 2/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/201 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/201 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 201/201 variables, and 102 constraints, problems are : Problem set: 0 solved, 1 unsolved in 186 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 330ms problems are : Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :1.77406e+08 after 2.77281e+12
Parikh walk visited 0 properties in 1063 ms.
Support contains 1 out of 79 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 198/198 transitions.
Applied a total of 0 rules in 3 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 79/79 places, 198/198 transitions.
RANDOM walk for 40001 steps (8 resets) in 91 ms. (434 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 33 ms. (1176 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1851842 steps, run timeout after 3001 ms. (steps per millisecond=617 ) properties seen :0 out of 1
Probabilistic random walk after 1851842 steps, saw 1152576 distinct states, run finished after 3001 ms. (steps per millisecond=617 ) properties seen :0
[2025-06-01 13:49:15] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 13:49:15] [INFO ] Invariant cache hit.
[2025-06-01 13:49:15] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 71/75 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/75 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 7/82 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/82 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/82 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 100/182 variables, 57/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/182 variables, 17/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/182 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 6/188 variables, 1/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/188 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 10/198 variables, 10/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/198 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 3/201 variables, 2/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 201/201 variables, and 100 constraints, problems are : Problem set: 0 solved, 1 unsolved in 128 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 71/75 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/75 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/75 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/82 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/82 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/82 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 100/182 variables, 57/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/182 variables, 17/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/182 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 6/188 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/188 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 10/198 variables, 10/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:49:15] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 1 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/198 variables, 1/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/198 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 3/201 variables, 2/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/201 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/201 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 201/201 variables, and 102 constraints, problems are : Problem set: 0 solved, 1 unsolved in 215 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 363ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 1055 ms.
Support contains 1 out of 79 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 198/198 transitions.
Applied a total of 0 rules in 6 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 79/79 places, 198/198 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 198/198 transitions.
Applied a total of 0 rules in 3 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
[2025-06-01 13:49:16] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 13:49:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:49:16] [INFO ] Implicit Places using invariants in 104 ms returned []
[2025-06-01 13:49:16] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 13:49:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:49:16] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 13:49:17] [INFO ] Implicit Places using invariants and state equation in 250 ms returned []
Implicit Place search using SMT with State Equation took 367 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 13:49:17] [INFO ] Redundant transitions in 1 ms returned []
Running 196 sub problems to find dead transitions.
[2025-06-01 13:49:17] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 13:49:17] [INFO ] Invariant cache hit.
[2025-06-01 13:49:17] [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) 0/79 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/79 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 2 (OVERLAPS) 122/201 variables, 79/82 constraints. Problems are: Problem set: 0 solved, 196 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/201 variables, 18/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 5 (OVERLAPS) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
No progress, stopping.
After SMT solving in domain Real declared 201/201 variables, and 100 constraints, problems are : Problem set: 0 solved, 196 unsolved in 3899 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 196/196 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 196 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/79 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/79 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 2 (OVERLAPS) 122/201 variables, 79/82 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/201 variables, 18/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/201 variables, 196/296 constraints. Problems are: Problem set: 0 solved, 196 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:49:26] [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
[2025-06-01 13:49:26] [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
[2025-06-01 13:49:26] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 1 ms to minimize.
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :2.77281e+12 after 2.96599e+17
At refinement iteration 5 (INCLUDED_ONLY) 0/201 variables, 3/299 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/201 variables, 0/299 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 7 (OVERLAPS) 0/201 variables, 0/299 constraints. Problems are: Problem set: 0 solved, 196 unsolved
No progress, stopping.
After SMT solving in domain Int declared 201/201 variables, and 299 constraints, problems are : Problem set: 0 solved, 196 unsolved in 25901 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 196/196 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 29848ms problems are : Problem set: 0 solved, 196 unsolved
Search for dead transitions found 0 dead transitions in 29849ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 30226 ms. Remains : 79/79 places, 198/198 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 76 transitions
Reduce isomorphic transitions removed 76 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 0 with 84 rules applied. Total rules applied 84 place count 79 transition count 114
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 92 place count 71 transition count 114
Performed 13 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 13 Pre rules applied. Total rules applied 92 place count 71 transition count 101
Deduced a syphon composed of 13 places in 0 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 2 with 26 rules applied. Total rules applied 118 place count 58 transition count 101
Performed 16 Post agglomeration using F-continuation condition.Transition count delta: 16
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 150 place count 42 transition count 85
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 157 place count 35 transition count 71
Iterating global reduction 2 with 7 rules applied. Total rules applied 164 place count 35 transition count 71
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 171 place count 28 transition count 57
Iterating global reduction 2 with 7 rules applied. Total rules applied 178 place count 28 transition count 57
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 185 place count 21 transition count 43
Iterating global reduction 2 with 7 rules applied. Total rules applied 192 place count 21 transition count 43
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 199 place count 21 transition count 36
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 199 place count 21 transition count 35
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 201 place count 20 transition count 35
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 203 place count 19 transition count 36
Applied a total of 203 rules in 11 ms. Remains 19 /79 variables (removed 60) and now considering 36/198 (removed 162) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 36 rows 19 cols
[2025-06-01 13:49:47] [INFO ] Computed 3 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 13:49:47] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 13:49:47] [INFO ] After 39ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 13:49:47] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 13:49:47] [INFO ] After 14ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-01 13:49:47] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-01 13:49:47] [INFO ] After 3ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-01 13:49:47] [INFO ] After 7ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-01 13:49:47] [INFO ] After 51ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-01 13:49:47] [INFO ] Flatten gal took : 2 ms
[2025-06-01 13:49:47] [INFO ] Flatten gal took : 2 ms
[2025-06-01 13:49:47] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8819354421398973001.gal : 1 ms
[2025-06-01 13:49:47] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality542895518740763170.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/ReachabilityCardinality8819354421398973001.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality542895518740763170.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 ...327
Loading property file /tmp/ReachabilityCardinality542895518740763170.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 126
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :126 after 11556
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :11556 after 7.75751e+06
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :7.75751e+06 after 6.04406e+07
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :6.04406e+07 after 3.13809e+08
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :3.13809e+08 after 1.41049e+09
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :1.41049e+09 after 5.96009e+09
Detected timeout of ITS tools.
[2025-06-01 13:49:57] [INFO ] Flatten gal took : 8 ms
[2025-06-01 13:49:57] [INFO ] Applying decomposition
[2025-06-01 13:49:57] [INFO ] Flatten gal took : 8 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/graph7076609855515168229.txt' '-o' '/tmp/graph7076609855515168229.bin' '-w' '/tmp/graph7076609855515168229.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph7076609855515168229.bin' '-l' '-1' '-v' '-w' '/tmp/graph7076609855515168229.weights' '-q' '0' '-e' '0.001'
[2025-06-01 13:49:57] [INFO ] Decomposing Gal with order
[2025-06-01 13:49:57] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 13:49:57] [INFO ] Removed a total of 334 redundant transitions.
[2025-06-01 13:49:58] [INFO ] Flatten gal took : 24 ms
[2025-06-01 13:49:58] [INFO ] Fuse similar labels procedure discarded/fused a total of 106 labels/synchronizations in 9 ms.
[2025-06-01 13:49:58] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15357739334230710358.gal : 7 ms
[2025-06-01 13:49:58] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality18107039392500850361.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/ReachabilityCardinality15357739334230710358.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality18107039392500850361.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...309
Loading property file /tmp/ReachabilityCardinality18107039392500850361.prop.
Detected timeout of ITS tools.
[2025-06-01 13:50:02] [INFO ] Flatten gal took : 2 ms
[2025-06-01 13:50:02] [INFO ] Applying decomposition
[2025-06-01 13:50:02] [INFO ] Flatten gal took : 2 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/graph1258086621723711317.txt' '-o' '/tmp/graph1258086621723711317.bin' '-w' '/tmp/graph1258086621723711317.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph1258086621723711317.bin' '-l' '-1' '-v' '-w' '/tmp/graph1258086621723711317.weights' '-q' '0' '-e' '0.001'
[2025-06-01 13:50:02] [INFO ] Decomposing Gal with order
[2025-06-01 13:50:02] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 13:50:02] [INFO ] Removed a total of 42 redundant transitions.
[2025-06-01 13:50:02] [INFO ] Flatten gal took : 11 ms
[2025-06-01 13:50:02] [INFO ] Fuse similar labels procedure discarded/fused a total of 4 labels/synchronizations in 1 ms.
[2025-06-01 13:50:02] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6906221294726963324.gal : 1 ms
[2025-06-01 13:50:02] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7813125554451495927.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/ReachabilityCardinality6906221294726963324.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7813125554451495927.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 ...307
Loading property file /tmp/ReachabilityCardinality7813125554451495927.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 126
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :126 after 8081
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30190 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[776] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b032-UpperBounds-04 in 187910 ms.
Starting property specific reduction for FunctionPointer-PT-b032-UpperBounds-08
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 13:50:17] [INFO ] Flow matrix only has 194 transitions (discarded 100 similar events)
// Phase 1: matrix 194 rows 121 cols
[2025-06-01 13:50:17] [INFO ] Computed 3 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 14 ms. (666 steps per ms)
BEST_FIRST walk for 10000 steps (2 resets) in 6 ms. (1428 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[+inf]
[2025-06-01 13:50:17] [INFO ] Flow matrix only has 194 transitions (discarded 100 similar events)
[2025-06-01 13:50:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 13:50:17] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 13:50:17] [INFO ] [Real]Absence check using state equation in 65 ms returned sat
[2025-06-01 13:50:17] [INFO ] State equation strengthened by 33 read => feed constraints.
[2025-06-01 13:50:17] [INFO ] [Real]Added 33 Read/Feed constraints in 10 ms returned sat
[2025-06-01 13:50:17] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 13:50:17] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 13:50:17] [INFO ] [Nat]Absence check using state equation in 66 ms returned sat
[2025-06-01 13:50:17] [INFO ] [Nat]Added 33 Read/Feed constraints in 7 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:50:17] [INFO ] Deduced a trap composed of 19 places in 93 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:50:17] [INFO ] Deduced a trap composed of 19 places in 97 ms of which 5 ms to minimize.
[2025-06-01 13:50:17] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 213 ms
[2025-06-01 13:50:17] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 14 ms.
[2025-06-01 13:50:17] [INFO ] Added : 18 causal constraints over 6 iterations in 108 ms. Result :sat
Minimization took 52 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[+inf]
Support contains 1 out of 121 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 121/121 places, 294/294 transitions.
Graph (complete) has 504 edges and 121 vertex of which 120 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 7 place count 114 transition count 280
Iterating global reduction 0 with 6 rules applied. Total rules applied 13 place count 114 transition count 280
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 18 place count 109 transition count 268
Iterating global reduction 0 with 5 rules applied. Total rules applied 23 place count 109 transition count 268
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 28 place count 104 transition count 254
Iterating global reduction 0 with 5 rules applied. Total rules applied 33 place count 104 transition count 254
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 38 place count 99 transition count 240
Iterating global reduction 0 with 5 rules applied. Total rules applied 43 place count 99 transition count 240
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 48 place count 94 transition count 230
Iterating global reduction 0 with 5 rules applied. Total rules applied 53 place count 94 transition count 230
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 58 place count 89 transition count 218
Iterating global reduction 0 with 5 rules applied. Total rules applied 63 place count 89 transition count 218
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 66 place count 86 transition count 212
Iterating global reduction 0 with 3 rules applied. Total rules applied 69 place count 86 transition count 212
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 72 place count 83 transition count 206
Iterating global reduction 0 with 3 rules applied. Total rules applied 75 place count 83 transition count 206
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 78 place count 80 transition count 200
Iterating global reduction 0 with 3 rules applied. Total rules applied 81 place count 80 transition count 200
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 83 place count 78 transition count 196
Iterating global reduction 0 with 2 rules applied. Total rules applied 85 place count 78 transition count 196
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 86 place count 77 transition count 194
Iterating global reduction 0 with 1 rules applied. Total rules applied 87 place count 77 transition count 194
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 88 place count 76 transition count 192
Iterating global reduction 0 with 1 rules applied. Total rules applied 89 place count 76 transition count 192
Applied a total of 89 rules in 20 ms. Remains 76 /121 variables (removed 45) and now considering 192/294 (removed 102) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 20 ms. Remains : 76/121 places, 192/294 transitions.
[2025-06-01 13:50:17] [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 {26=1, 54=1, 84=1, 114=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {27=1, 55=1, 101=1, 116=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 49 ms. (steps per millisecond=204 ) properties (out of 1) seen :[7]
Current structural bounds on expressions (after cover walk) : Max Seen:[7] Max Struct:[+inf]
[2025-06-01 13:50:18] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
// Phase 1: matrix 118 rows 76 cols
[2025-06-01 13:50:18] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[7] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1662 ms. (601 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 617 ms. (1618 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[887] Max Struct:[+inf]
[2025-06-01 13:50:20] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2025-06-01 13:50:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:50:20] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 13:50:20] [INFO ] [Real]Absence check using state equation in 39 ms returned sat
[2025-06-01 13:50:20] [INFO ] State equation strengthened by 17 read => feed constraints.
[2025-06-01 13:50:20] [INFO ] [Real]Added 17 Read/Feed constraints in 7 ms returned sat
[2025-06-01 13:50:20] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:50:20] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 13:50:20] [INFO ] [Nat]Absence check using state equation in 38 ms returned sat
[2025-06-01 13:50:20] [INFO ] [Nat]Added 17 Read/Feed constraints in 6 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:50:20] [INFO ] Deduced a trap composed of 14 places in 67 ms of which 6 ms to minimize.
[2025-06-01 13:50:20] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 77 ms
[2025-06-01 13:50:20] [INFO ] Computed and/alt/rep : 57/184/51 causal constraints (skipped 65 transitions) in 9 ms.
[2025-06-01 13:50:20] [INFO ] Added : 4 causal constraints over 2 iterations in 37 ms. Result :sat
Minimization took 24 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[887] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[887] 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 2 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 3 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 2 ms. Remains 76 /76 variables (removed 0) and now considering 192/192 (removed 0) transitions.
[2025-06-01 13:50:22] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2025-06-01 13:50:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:50:22] [INFO ] Implicit Places using invariants in 107 ms returned []
[2025-06-01 13:50:22] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2025-06-01 13:50:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:50:22] [INFO ] State equation strengthened by 17 read => feed constraints.
[2025-06-01 13:50:22] [INFO ] Implicit Places using invariants and state equation in 253 ms returned []
Implicit Place search using SMT with State Equation took 362 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 13:50:22] [INFO ] Redundant transitions in 1 ms returned []
Running 190 sub problems to find dead transitions.
[2025-06-01 13:50:22] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2025-06-01 13:50:22] [INFO ] Invariant cache hit.
[2025-06-01 13:50:22] [INFO ] State equation strengthened by 17 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 118/194 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 190 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/194 variables, 17/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (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 7084 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 17/17 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, 3/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 118/194 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/194 variables, 17/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (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
[2025-06-01 13:50:36] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 1/287 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/194 variables, 0/287 constraints. Problems are: Problem set: 0 solved, 190 unsolved
(s8 0timeout
^^^^^^^^
(error "Invalid token: 0timeout")
Error getting values : (error "ParserException while parsing response: ((s0 0)
(s1 0)
(s2 0)
(s3 1)
(s4 0)
(s5 0)
(s6 0)
(s7 1)
(s8 0timeout
) org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Stream closed")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 194/194 variables, and 287 constraints, problems are : Problem set: 0 solved, 190 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 37142ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 37143ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37513 ms. Remains : 76/76 places, 192/192 transitions.
[2025-06-01 13:50:59] [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 {26=1, 54=1, 84=1, 114=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {27=1, 55=1, 101=1, 116=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 50 ms. (steps per millisecond=200 ) properties (out of 1) seen :[7]
Current structural bounds on expressions (after cover walk) : Max Seen:[887] Max Struct:[+inf]
[2025-06-01 13:51:00] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2025-06-01 13:51:00] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[887] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1430 ms. (698 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 629 ms. (1587 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[918] Max Struct:[+inf]
[2025-06-01 13:51:02] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2025-06-01 13:51:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:51:02] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 13:51:02] [INFO ] [Real]Absence check using state equation in 42 ms returned sat
[2025-06-01 13:51:02] [INFO ] State equation strengthened by 17 read => feed constraints.
[2025-06-01 13:51:02] [INFO ] [Real]Added 17 Read/Feed constraints in 10 ms returned sat
[2025-06-01 13:51:02] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:51:02] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 13:51:02] [INFO ] [Nat]Absence check using state equation in 42 ms returned sat
[2025-06-01 13:51:02] [INFO ] [Nat]Added 17 Read/Feed constraints in 11 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:51:02] [INFO ] Deduced a trap composed of 14 places in 87 ms of which 7 ms to minimize.
[2025-06-01 13:51:02] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 101 ms
[2025-06-01 13:51:02] [INFO ] Computed and/alt/rep : 57/184/51 causal constraints (skipped 65 transitions) in 13 ms.
[2025-06-01 13:51:02] [INFO ] Added : 4 causal constraints over 2 iterations in 66 ms. Result :sat
Minimization took 40 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[918] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[918] 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 3 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 3 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.
[2025-06-01 13:51:04] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2025-06-01 13:51:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:51:04] [INFO ] Implicit Places using invariants in 114 ms returned []
[2025-06-01 13:51:04] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2025-06-01 13:51:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:51:04] [INFO ] State equation strengthened by 17 read => feed constraints.
[2025-06-01 13:51:04] [INFO ] Implicit Places using invariants and state equation in 257 ms returned []
Implicit Place search using SMT with State Equation took 372 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 13:51:04] [INFO ] Redundant transitions in 1 ms returned []
Running 190 sub problems to find dead transitions.
[2025-06-01 13:51:04] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2025-06-01 13:51:04] [INFO ] Invariant cache hit.
[2025-06-01 13:51:04] [INFO ] State equation strengthened by 17 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 118/194 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 190 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/194 variables, 17/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (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 7259 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 17/17 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, 3/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 118/194 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/194 variables, 17/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (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
[2025-06-01 13:51:18] [INFO ] Deduced a trap along path composed of 3 places in 30 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 1/287 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/194 variables, 0/287 constraints. Problems are: Problem set: 0 solved, 190 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 194/194 variables, and 287 constraints, problems are : Problem set: 0 solved, 190 unsolved in 30010 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 37328ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 37329ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37711 ms. Remains : 76/76 places, 192/192 transitions.
[2025-06-01 13:51:42] [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 {26=1, 54=1, 84=1, 114=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {27=1, 55=1, 101=1, 116=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 33 ms. (steps per millisecond=303 ) properties (out of 1) seen :[13]
Current structural bounds on expressions (after cover walk) : Max Seen:[918] Max Struct:[+inf]
[2025-06-01 13:51:42] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2025-06-01 13:51:42] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[918] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1292 ms. (773 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 626 ms. (1594 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[918] Max Struct:[+inf]
[2025-06-01 13:51:44] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2025-06-01 13:51:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:51:44] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 13:51:44] [INFO ] [Real]Absence check using state equation in 41 ms returned sat
[2025-06-01 13:51:44] [INFO ] State equation strengthened by 17 read => feed constraints.
[2025-06-01 13:51:44] [INFO ] [Real]Added 17 Read/Feed constraints in 6 ms returned sat
[2025-06-01 13:51:44] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:51:44] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 13:51:44] [INFO ] [Nat]Absence check using state equation in 46 ms returned sat
[2025-06-01 13:51:44] [INFO ] [Nat]Added 17 Read/Feed constraints in 8 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:51:44] [INFO ] Deduced a trap composed of 14 places in 77 ms of which 7 ms to minimize.
[2025-06-01 13:51:44] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 89 ms
[2025-06-01 13:51:44] [INFO ] Computed and/alt/rep : 57/184/51 causal constraints (skipped 65 transitions) in 9 ms.
[2025-06-01 13:51:44] [INFO ] Added : 4 causal constraints over 2 iterations in 41 ms. Result :sat
Minimization took 28 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[918] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[918] 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 8 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 8 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 2 ms. Remains 76 /76 variables (removed 0) and now considering 192/192 (removed 0) transitions.
[2025-06-01 13:51:46] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2025-06-01 13:51:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:51:46] [INFO ] Implicit Places using invariants in 101 ms returned []
[2025-06-01 13:51:46] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2025-06-01 13:51:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:51:46] [INFO ] State equation strengthened by 17 read => feed constraints.
[2025-06-01 13:51:46] [INFO ] Implicit Places using invariants and state equation in 260 ms returned []
Implicit Place search using SMT with State Equation took 379 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 13:51:46] [INFO ] Redundant transitions in 0 ms returned []
Running 190 sub problems to find dead transitions.
[2025-06-01 13:51:46] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2025-06-01 13:51:46] [INFO ] Invariant cache hit.
[2025-06-01 13:51:46] [INFO ] State equation strengthened by 17 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 118/194 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 190 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/194 variables, 17/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (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 6757 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 17/17 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, 3/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 118/194 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/194 variables, 17/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (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
[2025-06-01 13:52:00] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 1/287 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/194 variables, 0/287 constraints. Problems are: Problem set: 0 solved, 190 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 194/194 variables, and 287 constraints, problems are : Problem set: 0 solved, 190 unsolved in 30010 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 36838ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 36839ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37228 ms. Remains : 76/76 places, 192/192 transitions.
[2025-06-01 13:52:23] [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 {26=1, 54=1, 84=1, 114=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {27=1, 55=1, 101=1, 116=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 43 ms. (steps per millisecond=232 ) properties (out of 1) seen :[6]
Current structural bounds on expressions (after cover walk) : Max Seen:[918] Max Struct:[+inf]
[2025-06-01 13:52:23] [INFO ] Flatten gal took : 13 ms
[2025-06-01 13:52:23] [INFO ] Flatten gal took : 12 ms
[2025-06-01 13:52:23] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11268620242184340791.gal : 3 ms
[2025-06-01 13:52:23] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4273385730046829656.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/ReachabilityCardinality11268620242184340791.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4273385730046829656.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
RANDOM walk for 40000 steps (8 resets) in 180 ms. (220 steps per ms) remains 1/1 properties
Loading property file /tmp/ReachabilityCardinality4273385730046829656.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 31
BEST_FIRST walk for 40004 steps (8 resets) in 73 ms. (540 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :31 after 1038
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1038 after 153135
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :153135 after 1.6579e+08
Interrupted probabilistic random walk after 1726799 steps, run timeout after 3001 ms. (steps per millisecond=575 ) properties seen :0 out of 1
Probabilistic random walk after 1726799 steps, saw 1074782 distinct states, run finished after 3001 ms. (steps per millisecond=575 ) properties seen :0
[2025-06-01 13:52:27] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2025-06-01 13:52:27] [INFO ] Invariant cache hit.
[2025-06-01 13:52:27] [INFO ] State equation strengthened by 17 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 67/71 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/71 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/71 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 5/76 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/76 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/76 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 94/170 variables, 52/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/170 variables, 16/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/170 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 6/176 variables, 1/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/176 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 11/187 variables, 10/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/187 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 4/191 variables, 2/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/191 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 3/194 variables, 2/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/194 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/194 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 194/194 variables, and 96 constraints, problems are : Problem set: 0 solved, 1 unsolved in 125 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 67/71 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/71 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/71 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 5/76 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/76 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/76 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 94/170 variables, 52/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/170 variables, 16/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/170 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 6/176 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/176 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 11/187 variables, 10/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/187 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 4/191 variables, 2/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/191 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 3/194 variables, 2/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/194 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/194 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 194/194 variables, and 97 constraints, problems are : Problem set: 0 solved, 1 unsolved in 161 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 315ms problems are : Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :1.6579e+08 after 2.22003e+12
Parikh walk visited 0 properties in 855 ms.
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 3 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 3 ms. Remains : 76/76 places, 192/192 transitions.
RANDOM walk for 40000 steps (8 resets) in 95 ms. (416 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 32 ms. (1212 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1726881 steps, run timeout after 3001 ms. (steps per millisecond=575 ) properties seen :0 out of 1
Probabilistic random walk after 1726881 steps, saw 1074832 distinct states, run finished after 3001 ms. (steps per millisecond=575 ) properties seen :0
[2025-06-01 13:52:31] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2025-06-01 13:52:31] [INFO ] Invariant cache hit.
[2025-06-01 13:52:31] [INFO ] State equation strengthened by 17 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 67/71 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/71 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/71 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 5/76 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/76 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/76 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 94/170 variables, 52/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/170 variables, 16/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/170 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 6/176 variables, 1/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/176 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 11/187 variables, 10/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/187 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 4/191 variables, 2/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/191 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 3/194 variables, 2/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/194 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/194 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 194/194 variables, and 96 constraints, problems are : Problem set: 0 solved, 1 unsolved in 177 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 67/71 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/71 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/71 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 5/76 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/76 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/76 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 94/170 variables, 52/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/170 variables, 16/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/170 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 6/176 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/176 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 11/187 variables, 10/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/187 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 4/191 variables, 2/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/191 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 3/194 variables, 2/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/194 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/194 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 194/194 variables, and 97 constraints, problems are : Problem set: 0 solved, 1 unsolved in 234 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 415ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 18758 steps, including 998 resets, run visited all 1 properties in 51 ms. (steps per millisecond=367 )
Parikh walk visited 1 properties in 62 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[918] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b032-UpperBounds-08 in 134565 ms.
Starting property specific reduction for FunctionPointer-PT-b032-UpperBounds-09
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 13:52:31] [INFO ] Flow matrix only has 194 transitions (discarded 100 similar events)
// Phase 1: matrix 194 rows 121 cols
[2025-06-01 13:52:31] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 23 ms. (416 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 11 ms. (833 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[8] Max Struct:[+inf]
[2025-06-01 13:52:31] [INFO ] Flow matrix only has 194 transitions (discarded 100 similar events)
[2025-06-01 13:52:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 13:52:31] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:52:31] [INFO ] [Real]Absence check using state equation in 109 ms returned sat
[2025-06-01 13:52:31] [INFO ] State equation strengthened by 33 read => feed constraints.
[2025-06-01 13:52:31] [INFO ] [Real]Added 33 Read/Feed constraints in 12 ms returned sat
[2025-06-01 13:52:32] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 13:52:32] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 13:52:32] [INFO ] [Nat]Absence check using state equation in 102 ms returned sat
[2025-06-01 13:52:32] [INFO ] [Nat]Added 33 Read/Feed constraints in 14 ms returned sat
[2025-06-01 13:52:32] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 23 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:52:32] [INFO ] Deduced a trap composed of 19 places in 165 ms of which 18 ms to minimize.
[2025-06-01 13:52:32] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 198 ms
[2025-06-01 13:52:32] [INFO ] Added : 4 causal constraints over 2 iterations in 310 ms. Result :sat
Minimization took 70 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[8] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[8] Max Struct:[+inf]
Support contains 1 out of 121 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 121/121 places, 294/294 transitions.
Graph (complete) has 504 edges and 121 vertex of which 120 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 6 place count 115 transition count 282
Iterating global reduction 0 with 5 rules applied. Total rules applied 11 place count 115 transition count 282
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 15 place count 111 transition count 274
Iterating global reduction 0 with 4 rules applied. Total rules applied 19 place count 111 transition count 274
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 23 place count 107 transition count 262
Iterating global reduction 0 with 4 rules applied. Total rules applied 27 place count 107 transition count 262
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 31 place count 103 transition count 252
Iterating global reduction 0 with 4 rules applied. Total rules applied 35 place count 103 transition count 252
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 39 place count 99 transition count 244
Iterating global reduction 0 with 4 rules applied. Total rules applied 43 place count 99 transition count 244
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 47 place count 95 transition count 234
Iterating global reduction 0 with 4 rules applied. Total rules applied 51 place count 95 transition count 234
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 54 place count 92 transition count 228
Iterating global reduction 0 with 3 rules applied. Total rules applied 57 place count 92 transition count 228
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 60 place count 89 transition count 222
Iterating global reduction 0 with 3 rules applied. Total rules applied 63 place count 89 transition count 222
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 66 place count 86 transition count 216
Iterating global reduction 0 with 3 rules applied. Total rules applied 69 place count 86 transition count 216
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 70 place count 85 transition count 214
Iterating global reduction 0 with 1 rules applied. Total rules applied 71 place count 85 transition count 214
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 72 place count 84 transition count 212
Iterating global reduction 0 with 1 rules applied. Total rules applied 73 place count 84 transition count 212
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 74 place count 83 transition count 210
Iterating global reduction 0 with 1 rules applied. Total rules applied 75 place count 83 transition count 210
Applied a total of 75 rules in 30 ms. Remains 83 /121 variables (removed 38) and now considering 210/294 (removed 84) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 30 ms. Remains : 83/121 places, 210/294 transitions.
[2025-06-01 13:52:32] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {29=1, 64=1, 96=1, 126=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {29=1, 64=1, 112=1, 128=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 55 ms. (steps per millisecond=181 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[8] Max Struct:[+inf]
[2025-06-01 13:52:32] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
// Phase 1: matrix 130 rows 83 cols
[2025-06-01 13:52:32] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[8] Max Struct:[+inf]
RANDOM walk for 1000005 steps (2 resets) in 1376 ms. (726 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 704 ms. (1418 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[247] Max Struct:[+inf]
[2025-06-01 13:52:34] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
[2025-06-01 13:52:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:52:34] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 13:52:34] [INFO ] [Real]Absence check using state equation in 64 ms returned sat
[2025-06-01 13:52:35] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 13:52:35] [INFO ] [Real]Added 18 Read/Feed constraints in 5 ms returned sat
[2025-06-01 13:52:35] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:52:35] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 13:52:35] [INFO ] [Nat]Absence check using state equation in 62 ms returned sat
[2025-06-01 13:52:35] [INFO ] [Nat]Added 18 Read/Feed constraints in 9 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:52:35] [INFO ] Deduced a trap composed of 14 places in 87 ms of which 7 ms to minimize.
[2025-06-01 13:52:35] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 111 ms
[2025-06-01 13:52:35] [INFO ] Computed and/alt/rep : 61/202/55 causal constraints (skipped 73 transitions) in 12 ms.
[2025-06-01 13:52:35] [INFO ] Added : 15 causal constraints over 4 iterations in 86 ms. Result :sat
Minimization took 51 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[247] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[247] Max Struct:[+inf]
Support contains 1 out of 83 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 83/83 places, 210/210 transitions.
Applied a total of 0 rules in 3 ms. Remains 83 /83 variables (removed 0) and now considering 210/210 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 83/83 places, 210/210 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 83/83 places, 210/210 transitions.
Applied a total of 0 rules in 3 ms. Remains 83 /83 variables (removed 0) and now considering 210/210 (removed 0) transitions.
[2025-06-01 13:52:36] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
[2025-06-01 13:52:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:52:36] [INFO ] Implicit Places using invariants in 119 ms returned []
[2025-06-01 13:52:36] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
[2025-06-01 13:52:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:52:36] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 13:52:36] [INFO ] Implicit Places using invariants and state equation in 262 ms returned []
Implicit Place search using SMT with State Equation took 383 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 13:52:37] [INFO ] Redundant transitions in 1 ms returned []
Running 208 sub problems to find dead transitions.
[2025-06-01 13:52:37] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
[2025-06-01 13:52:37] [INFO ] Invariant cache hit.
[2025-06-01 13:52:37] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/83 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/83 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 2 (OVERLAPS) 130/213 variables, 83/86 constraints. Problems are: Problem set: 0 solved, 208 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/213 variables, 18/104 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/213 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 5 (OVERLAPS) 0/213 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 208 unsolved
No progress, stopping.
After SMT solving in domain Real declared 213/213 variables, and 104 constraints, problems are : Problem set: 0 solved, 208 unsolved in 7108 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 83/83 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 208/208 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 208 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/83 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/83 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 2 (OVERLAPS) 130/213 variables, 83/86 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/213 variables, 18/104 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/213 variables, 208/312 constraints. Problems are: Problem set: 0 solved, 208 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:52:50] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:52:50] [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
[2025-06-01 13:52:50] [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
[2025-06-01 13:52:50] [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
[2025-06-01 13:52:51] [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
[2025-06-01 13:52:52] [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
[2025-06-01 13:52:52] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/213 variables, 7/319 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/213 variables, 0/319 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 7 (OVERLAPS) 0/213 variables, 0/319 constraints. Problems are: Problem set: 0 solved, 208 unsolved
No progress, stopping.
After SMT solving in domain Int declared 213/213 variables, and 319 constraints, problems are : Problem set: 0 solved, 208 unsolved in 30009 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 83/83 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 208/208 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 7/7 constraints]
After SMT, in 37202ms problems are : Problem set: 0 solved, 208 unsolved
Search for dead transitions found 0 dead transitions in 37203ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37598 ms. Remains : 83/83 places, 210/210 transitions.
[2025-06-01 13:53:14] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {29=1, 64=1, 96=1, 126=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {29=1, 64=1, 112=1, 128=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[247] Max Struct:[+inf]
[2025-06-01 13:53:14] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
[2025-06-01 13:53:14] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[247] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1364 ms. (732 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 720 ms. (1386 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[247] Max Struct:[+inf]
[2025-06-01 13:53:16] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
[2025-06-01 13:53:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:53:16] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 13:53:16] [INFO ] [Real]Absence check using state equation in 57 ms returned sat
[2025-06-01 13:53:16] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 13:53:16] [INFO ] [Real]Added 18 Read/Feed constraints in 5 ms returned sat
[2025-06-01 13:53:16] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:53:16] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 13:53:16] [INFO ] [Nat]Absence check using state equation in 61 ms returned sat
[2025-06-01 13:53:16] [INFO ] [Nat]Added 18 Read/Feed constraints in 8 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:53:16] [INFO ] Deduced a trap composed of 14 places in 85 ms of which 7 ms to minimize.
[2025-06-01 13:53:16] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 102 ms
[2025-06-01 13:53:16] [INFO ] Computed and/alt/rep : 61/202/55 causal constraints (skipped 73 transitions) in 15 ms.
[2025-06-01 13:53:16] [INFO ] Added : 15 causal constraints over 4 iterations in 99 ms. Result :sat
Minimization took 48 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[247] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[247] Max Struct:[+inf]
Support contains 1 out of 83 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 83/83 places, 210/210 transitions.
Applied a total of 0 rules in 7 ms. Remains 83 /83 variables (removed 0) and now considering 210/210 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 83/83 places, 210/210 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 83/83 places, 210/210 transitions.
Applied a total of 0 rules in 3 ms. Remains 83 /83 variables (removed 0) and now considering 210/210 (removed 0) transitions.
[2025-06-01 13:53:18] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
[2025-06-01 13:53:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:53:18] [INFO ] Implicit Places using invariants in 124 ms returned []
[2025-06-01 13:53:18] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
[2025-06-01 13:53:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:53:18] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 13:53:18] [INFO ] Implicit Places using invariants and state equation in 230 ms returned []
Implicit Place search using SMT with State Equation took 356 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 13:53:18] [INFO ] Redundant transitions in 1 ms returned []
Running 208 sub problems to find dead transitions.
[2025-06-01 13:53:18] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
[2025-06-01 13:53:18] [INFO ] Invariant cache hit.
[2025-06-01 13:53:18] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/83 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/83 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 2 (OVERLAPS) 130/213 variables, 83/86 constraints. Problems are: Problem set: 0 solved, 208 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/213 variables, 18/104 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/213 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 5 (OVERLAPS) 0/213 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 208 unsolved
No progress, stopping.
After SMT solving in domain Real declared 213/213 variables, and 104 constraints, problems are : Problem set: 0 solved, 208 unsolved in 5341 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 83/83 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 208/208 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 208 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/83 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/83 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 2 (OVERLAPS) 130/213 variables, 83/86 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/213 variables, 18/104 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/213 variables, 208/312 constraints. Problems are: Problem set: 0 solved, 208 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:53:30] [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
[2025-06-01 13:53:30] [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
[2025-06-01 13:53:30] [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
[2025-06-01 13:53:30] [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
[2025-06-01 13:53:30] [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
[2025-06-01 13:53:32] [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
[2025-06-01 13:53:32] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/213 variables, 7/319 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/213 variables, 0/319 constraints. Problems are: Problem set: 0 solved, 208 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 213/213 variables, and 319 constraints, problems are : Problem set: 0 solved, 208 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 83/83 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 208/208 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 7/7 constraints]
After SMT, in 35426ms problems are : Problem set: 0 solved, 208 unsolved
Search for dead transitions found 0 dead transitions in 35427ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35793 ms. Remains : 83/83 places, 210/210 transitions.
[2025-06-01 13:53:53] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {29=1, 64=1, 96=1, 126=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {29=1, 64=1, 112=1, 128=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 51 ms. (steps per millisecond=196 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[247] Max Struct:[+inf]
[2025-06-01 13:53:54] [INFO ] Flatten gal took : 13 ms
[2025-06-01 13:53:54] [INFO ] Flatten gal took : 12 ms
[2025-06-01 13:53:54] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality222213097126724309.gal : 3 ms
[2025-06-01 13:53:54] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1904442349515130441.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/ReachabilityCardinality222213097126724309.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1904442349515130441.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 ...327
RANDOM walk for 40000 steps (8 resets) in 148 ms. (268 steps per ms) remains 1/1 properties
Loading property file /tmp/ReachabilityCardinality1904442349515130441.prop.
BEST_FIRST walk for 40003 steps (8 resets) in 51 ms. (769 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 31
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :31 after 1047
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1047 after 160980
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :160980 after 2.03573e+08
Interrupted probabilistic random walk after 1530181 steps, run timeout after 3001 ms. (steps per millisecond=509 ) properties seen :0 out of 1
Probabilistic random walk after 1530181 steps, saw 952364 distinct states, run finished after 3001 ms. (steps per millisecond=509 ) properties seen :0
[2025-06-01 13:53:57] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
[2025-06-01 13:53:57] [INFO ] Invariant cache hit.
[2025-06-01 13:53:57] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 71/77 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/77 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/77 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 7/84 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/84 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/84 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 102/186 variables, 57/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/186 variables, 17/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/186 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 6/192 variables, 1/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/192 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 14/206 variables, 12/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/206 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 4/210 variables, 2/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/210 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 3/213 variables, 2/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/213 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/213 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 213/213 variables, and 104 constraints, problems are : Problem set: 0 solved, 1 unsolved in 139 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 83/83 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 71/77 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/77 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/77 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/77 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/84 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/84 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/84 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 102/186 variables, 57/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/186 variables, 17/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/186 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 6/192 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/192 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 14/206 variables, 12/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/206 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 4/210 variables, 2/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:53:57] [INFO ] Deduced a trap along path composed of 3 places in 25 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:53:57] [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
[2025-06-01 13:53:57] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 1 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/210 variables, 3/106 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/210 variables, 0/106 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 3/213 variables, 2/108 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/213 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/213 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 213/213 variables, and 108 constraints, problems are : Problem set: 0 solved, 1 unsolved in 277 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 83/83 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 421ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 0 ms.
Support contains 1 out of 83 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 83/83 places, 210/210 transitions.
Applied a total of 0 rules in 5 ms. Remains 83 /83 variables (removed 0) and now considering 210/210 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 83/83 places, 210/210 transitions.
RANDOM walk for 40004 steps (8 resets) in 68 ms. (579 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 28 ms. (1379 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :2.03573e+08 after 4.09207e+12
Interrupted probabilistic random walk after 1645115 steps, run timeout after 3001 ms. (steps per millisecond=548 ) properties seen :0 out of 1
Probabilistic random walk after 1645115 steps, saw 1023905 distinct states, run finished after 3001 ms. (steps per millisecond=548 ) properties seen :0
[2025-06-01 13:54:00] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
[2025-06-01 13:54:00] [INFO ] Invariant cache hit.
[2025-06-01 13:54:00] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 71/77 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/77 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/77 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 7/84 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/84 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/84 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 102/186 variables, 57/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/186 variables, 17/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/186 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 6/192 variables, 1/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/192 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 14/206 variables, 12/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/206 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 4/210 variables, 2/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/210 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 3/213 variables, 2/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/213 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/213 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 213/213 variables, and 104 constraints, problems are : Problem set: 0 solved, 1 unsolved in 123 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 83/83 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 71/77 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/77 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/77 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/77 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/84 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/84 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/84 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 102/186 variables, 57/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/186 variables, 17/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/186 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 6/192 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/192 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 14/206 variables, 12/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/206 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 4/210 variables, 2/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:54:00] [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
[2025-06-01 13:54:00] [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
[2025-06-01 13:54:00] [INFO ] Deduced a trap along path composed of 3 places in 19 ms of which 1 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/210 variables, 3/106 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/210 variables, 0/106 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 3/213 variables, 2/108 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/213 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/213 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 213/213 variables, and 108 constraints, problems are : Problem set: 0 solved, 1 unsolved in 266 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 83/83 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 397ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 0 ms.
Support contains 1 out of 83 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 83/83 places, 210/210 transitions.
Applied a total of 0 rules in 5 ms. Remains 83 /83 variables (removed 0) and now considering 210/210 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 83/83 places, 210/210 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 83/83 places, 210/210 transitions.
Applied a total of 0 rules in 3 ms. Remains 83 /83 variables (removed 0) and now considering 210/210 (removed 0) transitions.
[2025-06-01 13:54:00] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
[2025-06-01 13:54:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:54:01] [INFO ] Implicit Places using invariants in 95 ms returned []
[2025-06-01 13:54:01] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
[2025-06-01 13:54:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:54:01] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 13:54:01] [INFO ] Implicit Places using invariants and state equation in 238 ms returned []
Implicit Place search using SMT with State Equation took 334 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 13:54:01] [INFO ] Redundant transitions in 1 ms returned []
Running 208 sub problems to find dead transitions.
[2025-06-01 13:54:01] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
[2025-06-01 13:54:01] [INFO ] Invariant cache hit.
[2025-06-01 13:54:01] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/83 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/83 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 2 (OVERLAPS) 130/213 variables, 83/86 constraints. Problems are: Problem set: 0 solved, 208 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/213 variables, 18/104 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/213 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 5 (OVERLAPS) 0/213 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 208 unsolved
No progress, stopping.
After SMT solving in domain Real declared 213/213 variables, and 104 constraints, problems are : Problem set: 0 solved, 208 unsolved in 4566 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 83/83 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 208/208 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 208 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/83 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/83 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 2 (OVERLAPS) 130/213 variables, 83/86 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/213 variables, 18/104 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/213 variables, 208/312 constraints. Problems are: Problem set: 0 solved, 208 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:54:12] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:54:12] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:54:12] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:54:12] [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
[2025-06-01 13:54:12] [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
[2025-06-01 13:54:13] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:54:13] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/213 variables, 7/319 constraints. Problems are: Problem set: 0 solved, 208 unsolved
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :4.09207e+12 after 8.80518e+17
At refinement iteration 6 (INCLUDED_ONLY) 0/213 variables, 0/319 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 7 (OVERLAPS) 0/213 variables, 0/319 constraints. Problems are: Problem set: 0 solved, 208 unsolved
No progress, stopping.
After SMT solving in domain Int declared 213/213 variables, and 319 constraints, problems are : Problem set: 0 solved, 208 unsolved in 28557 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 83/83 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 208/208 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 7/7 constraints]
After SMT, in 33179ms problems are : Problem set: 0 solved, 208 unsolved
Search for dead transitions found 0 dead transitions in 33180ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33524 ms. Remains : 83/83 places, 210/210 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 80 transitions
Reduce isomorphic transitions removed 80 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 0 with 88 rules applied. Total rules applied 88 place count 83 transition count 122
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 96 place count 75 transition count 122
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 16 Pre rules applied. Total rules applied 96 place count 75 transition count 106
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 128 place count 59 transition count 106
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: 15
Deduced a syphon composed of 15 places in 0 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 2 with 30 rules applied. Total rules applied 158 place count 44 transition count 91
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 165 place count 37 transition count 77
Iterating global reduction 2 with 7 rules applied. Total rules applied 172 place count 37 transition count 77
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 179 place count 30 transition count 63
Iterating global reduction 2 with 7 rules applied. Total rules applied 186 place count 30 transition count 63
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 193 place count 23 transition count 49
Iterating global reduction 2 with 7 rules applied. Total rules applied 200 place count 23 transition count 49
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 207 place count 23 transition count 42
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 207 place count 23 transition count 41
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 209 place count 22 transition count 41
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 213 place count 20 transition count 41
Applied a total of 213 rules in 17 ms. Remains 20 /83 variables (removed 63) and now considering 41/210 (removed 169) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 41 rows 20 cols
[2025-06-01 13:54:34] [INFO ] Computed 3 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 13:54:34] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 13:54:34] [INFO ] After 16ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2025-06-01 13:54:34] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-01 13:54:34] [INFO ] After 4ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-01 13:54:34] [INFO ] After 56ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 13:54:34] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 13:54:34] [INFO ] After 15ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-01 13:54:34] [INFO ] After 3ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-01 13:54:34] [INFO ] After 7ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-01 13:54:34] [INFO ] After 64ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-01 13:54:34] [INFO ] Flatten gal took : 2 ms
[2025-06-01 13:54:34] [INFO ] Flatten gal took : 2 ms
[2025-06-01 13:54:34] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15691170448116210037.gal : 1 ms
[2025-06-01 13:54:34] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality276800711209445244.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/ReachabilityCardinality15691170448116210037.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality276800711209445244.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality276800711209445244.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 126
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :126 after 11556
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :11556 after 7.75751e+06
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :7.75751e+06 after 6.04406e+07
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :6.04406e+07 after 3.13809e+08
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :3.13809e+08 after 1.41049e+09
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :1.41049e+09 after 5.96009e+09
Detected timeout of ITS tools.
[2025-06-01 13:54:44] [INFO ] Flatten gal took : 9 ms
[2025-06-01 13:54:44] [INFO ] Applying decomposition
[2025-06-01 13:54:44] [INFO ] Flatten gal took : 7 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/graph15836348567903787020.txt' '-o' '/tmp/graph15836348567903787020.bin' '-w' '/tmp/graph15836348567903787020.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph15836348567903787020.bin' '-l' '-1' '-v' '-w' '/tmp/graph15836348567903787020.weights' '-q' '0' '-e' '0.001'
[2025-06-01 13:54:44] [INFO ] Decomposing Gal with order
[2025-06-01 13:54:44] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 13:54:44] [INFO ] Removed a total of 360 redundant transitions.
[2025-06-01 13:54:44] [INFO ] Flatten gal took : 16 ms
[2025-06-01 13:54:44] [INFO ] Fuse similar labels procedure discarded/fused a total of 106 labels/synchronizations in 4 ms.
[2025-06-01 13:54:44] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7773314220636883283.gal : 3 ms
[2025-06-01 13:54:44] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7808124656104387247.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/ReachabilityCardinality7773314220636883283.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7808124656104387247.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 ...307
Loading property file /tmp/ReachabilityCardinality7808124656104387247.prop.
Detected timeout of ITS tools.
[2025-06-01 13:54:49] [INFO ] Flatten gal took : 2 ms
[2025-06-01 13:54:49] [INFO ] Applying decomposition
[2025-06-01 13:54:49] [INFO ] Flatten gal took : 1 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph3833907178580466818.txt' '-o' '/tmp/graph3833907178580466818.bin' '-w' '/tmp/graph3833907178580466818.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph3833907178580466818.bin' '-l' '-1' '-v' '-w' '/tmp/graph3833907178580466818.weights' '-q' '0' '-e' '0.001'
[2025-06-01 13:54:49] [INFO ] Decomposing Gal with order
[2025-06-01 13:54:49] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 13:54:49] [INFO ] Removed a total of 47 redundant transitions.
[2025-06-01 13:54:49] [INFO ] Flatten gal took : 4 ms
[2025-06-01 13:54:49] [INFO ] Fuse similar labels procedure discarded/fused a total of 4 labels/synchronizations in 1 ms.
[2025-06-01 13:54:49] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4008864265384833091.gal : 1 ms
[2025-06-01 13:54:49] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2879122250050876080.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/ReachabilityCardinality4008864265384833091.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2879122250050876080.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 ...307
Loading property file /tmp/ReachabilityCardinality2879122250050876080.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 126
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :126 after 4323
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :4323 after 414579
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :414579 after 1.18053e+06
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :1.18053e+06 after 2.71244e+06
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :2.71244e+06 after 5.77624e+06
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :5.77624e+06 after 1.19039e+07
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :1.19039e+07 after 2.41591e+07
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30271 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[247] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b032-UpperBounds-09 in 153019 ms.
Starting property specific reduction for FunctionPointer-PT-b032-UpperBounds-14
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]
[2025-06-01 13:55:04] [INFO ] Flow matrix only has 194 transitions (discarded 100 similar events)
// Phase 1: matrix 194 rows 121 cols
[2025-06-01 13:55:04] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 14 ms. (666 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 6 ms. (1428 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[6] Max Struct:[+inf]
[2025-06-01 13:55:04] [INFO ] Flow matrix only has 194 transitions (discarded 100 similar events)
[2025-06-01 13:55:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 13:55:04] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 13:55:04] [INFO ] [Real]Absence check using state equation in 68 ms returned sat
[2025-06-01 13:55:04] [INFO ] State equation strengthened by 33 read => feed constraints.
[2025-06-01 13:55:04] [INFO ] [Real]Added 33 Read/Feed constraints in 10 ms returned sat
[2025-06-01 13:55:04] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 13:55:04] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 13:55:05] [INFO ] [Nat]Absence check using state equation in 68 ms returned sat
[2025-06-01 13:55:05] [INFO ] [Nat]Added 33 Read/Feed constraints in 10 ms returned sat
[2025-06-01 13:55:05] [INFO ] Computed and/alt/rep : 46/184/45 causal constraints (skipped 147 transitions) in 15 ms.
[2025-06-01 13:55:05] [INFO ] Added : 13 causal constraints over 5 iterations in 105 ms. Result :sat
Minimization took 52 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[6] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[6] Max Struct:[+inf]
Support contains 1 out of 121 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 121/121 places, 294/294 transitions.
Graph (complete) has 504 edges and 121 vertex of which 120 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 6 place count 115 transition count 284
Iterating global reduction 0 with 5 rules applied. Total rules applied 11 place count 115 transition count 284
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 15 place count 111 transition count 274
Iterating global reduction 0 with 4 rules applied. Total rules applied 19 place count 111 transition count 274
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 23 place count 107 transition count 264
Iterating global reduction 0 with 4 rules applied. Total rules applied 27 place count 107 transition count 264
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 31 place count 103 transition count 252
Iterating global reduction 0 with 4 rules applied. Total rules applied 35 place count 103 transition count 252
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 39 place count 99 transition count 244
Iterating global reduction 0 with 4 rules applied. Total rules applied 43 place count 99 transition count 244
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 47 place count 95 transition count 234
Iterating global reduction 0 with 4 rules applied. Total rules applied 51 place count 95 transition count 234
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 54 place count 92 transition count 228
Iterating global reduction 0 with 3 rules applied. Total rules applied 57 place count 92 transition count 228
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 60 place count 89 transition count 222
Iterating global reduction 0 with 3 rules applied. Total rules applied 63 place count 89 transition count 222
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 66 place count 86 transition count 216
Iterating global reduction 0 with 3 rules applied. Total rules applied 69 place count 86 transition count 216
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 71 place count 84 transition count 212
Iterating global reduction 0 with 2 rules applied. Total rules applied 73 place count 84 transition count 212
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 74 place count 83 transition count 210
Iterating global reduction 0 with 1 rules applied. Total rules applied 75 place count 83 transition count 210
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 76 place count 82 transition count 208
Iterating global reduction 0 with 1 rules applied. Total rules applied 77 place count 82 transition count 208
Applied a total of 77 rules in 18 ms. Remains 82 /121 variables (removed 39) and now considering 208/294 (removed 86) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18 ms. Remains : 82/121 places, 208/294 transitions.
[2025-06-01 13:55:05] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {29=1, 32=1, 34=1, 63=1, 94=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {26=1, 60=1, 91=1, 123=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[6] Max Struct:[+inf]
[2025-06-01 13:55:05] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
// Phase 1: matrix 128 rows 82 cols
[2025-06-01 13:55:05] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[6] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1346 ms. (742 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 709 ms. (1408 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[235] Max Struct:[+inf]
[2025-06-01 13:55:07] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 13:55:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:55:07] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 13:55:07] [INFO ] [Real]Absence check using state equation in 44 ms returned sat
[2025-06-01 13:55:07] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 13:55:07] [INFO ] [Real]Added 18 Read/Feed constraints in 5 ms returned sat
[2025-06-01 13:55:07] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:55:07] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 13:55:07] [INFO ] [Nat]Absence check using state equation in 44 ms returned sat
[2025-06-01 13:55:07] [INFO ] [Nat]Added 18 Read/Feed constraints in 6 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:55:07] [INFO ] Deduced a trap composed of 14 places in 70 ms of which 7 ms to minimize.
[2025-06-01 13:55:07] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 81 ms
[2025-06-01 13:55:07] [INFO ] Computed and/alt/rep : 60/196/54 causal constraints (skipped 72 transitions) in 10 ms.
[2025-06-01 13:55:07] [INFO ] Added : 15 causal constraints over 5 iterations in 76 ms. Result :sat
Minimization took 31 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[235] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[235] Max Struct:[+inf]
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 3 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 82/82 places, 208/208 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 3 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
[2025-06-01 13:55:08] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 13:55:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:55:08] [INFO ] Implicit Places using invariants in 109 ms returned []
[2025-06-01 13:55:08] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 13:55:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:55:08] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 13:55:09] [INFO ] Implicit Places using invariants and state equation in 237 ms returned []
Implicit Place search using SMT with State Equation took 348 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 13:55:09] [INFO ] Redundant transitions in 1 ms returned []
Running 206 sub problems to find dead transitions.
[2025-06-01 13:55:09] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 13:55:09] [INFO ] Invariant cache hit.
[2025-06-01 13:55:09] [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) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (OVERLAPS) 128/210 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/210 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 210/210 variables, and 103 constraints, problems are : Problem set: 0 solved, 206 unsolved in 12085 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (OVERLAPS) 128/210 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/210 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/210 variables, 206/309 constraints. Problems are: Problem set: 0 solved, 206 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:55:28] [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
[2025-06-01 13:55:28] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/210 variables, 2/311 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/210 variables, 0/311 constraints. Problems are: Problem set: 0 solved, 206 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 210/210 variables, and 311 constraints, problems are : Problem set: 0 solved, 206 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 42150ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 42151ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 42508 ms. Remains : 82/82 places, 208/208 transitions.
[2025-06-01 13:55:51] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {29=1, 32=1, 34=1, 63=1, 94=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {26=1, 60=1, 91=1, 123=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 35 ms. (steps per millisecond=285 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[235] Max Struct:[+inf]
[2025-06-01 13:55:51] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 13:55:51] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[235] Max Struct:[+inf]
RANDOM walk for 1000003 steps (2 resets) in 1562 ms. (639 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 703 ms. (1420 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[255] Max Struct:[+inf]
[2025-06-01 13:55:53] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 13:55:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:55:53] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 13:55:53] [INFO ] [Real]Absence check using state equation in 46 ms returned sat
[2025-06-01 13:55:53] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 13:55:53] [INFO ] [Real]Added 18 Read/Feed constraints in 7 ms returned sat
[2025-06-01 13:55:53] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:55:53] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 13:55:53] [INFO ] [Nat]Absence check using state equation in 43 ms returned sat
[2025-06-01 13:55:53] [INFO ] [Nat]Added 18 Read/Feed constraints in 6 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:55:53] [INFO ] Deduced a trap composed of 14 places in 88 ms of which 11 ms to minimize.
[2025-06-01 13:55:53] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 104 ms
[2025-06-01 13:55:54] [INFO ] Computed and/alt/rep : 60/196/54 causal constraints (skipped 72 transitions) in 16 ms.
[2025-06-01 13:55:54] [INFO ] Added : 15 causal constraints over 5 iterations in 122 ms. Result :sat
Minimization took 51 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[255] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[255] Max Struct:[+inf]
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 3 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 82/82 places, 208/208 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 2 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
[2025-06-01 13:55:55] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 13:55:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:55:55] [INFO ] Implicit Places using invariants in 133 ms returned []
[2025-06-01 13:55:55] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 13:55:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:55:55] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 13:55:55] [INFO ] Implicit Places using invariants and state equation in 383 ms returned []
Implicit Place search using SMT with State Equation took 529 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 13:55:55] [INFO ] Redundant transitions in 1 ms returned []
Running 206 sub problems to find dead transitions.
[2025-06-01 13:55:55] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 13:55:55] [INFO ] Invariant cache hit.
[2025-06-01 13:55:55] [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) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (OVERLAPS) 128/210 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/210 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 210/210 variables, and 103 constraints, problems are : Problem set: 0 solved, 206 unsolved in 12785 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (OVERLAPS) 128/210 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/210 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/210 variables, 206/309 constraints. Problems are: Problem set: 0 solved, 206 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:56:17] [INFO ] Deduced a trap along path composed of 3 places in 31 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:56:17] [INFO ] Deduced a trap along path composed of 3 places in 25 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/210 variables, 2/311 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/210 variables, 0/311 constraints. Problems are: Problem set: 0 solved, 206 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 210/210 variables, and 311 constraints, problems are : Problem set: 0 solved, 206 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 42882ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 42884ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43424 ms. Remains : 82/82 places, 208/208 transitions.
[2025-06-01 13:56:38] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {29=1, 32=1, 34=1, 63=1, 94=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {26=1, 60=1, 91=1, 123=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 44 ms. (steps per millisecond=227 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[255] Max Struct:[+inf]
[2025-06-01 13:56:38] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 13:56:38] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[255] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1318 ms. (758 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 692 ms. (1443 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[255] Max Struct:[+inf]
[2025-06-01 13:56:40] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 13:56:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:56:40] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 13:56:41] [INFO ] [Real]Absence check using state equation in 46 ms returned sat
[2025-06-01 13:56:41] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 13:56:41] [INFO ] [Real]Added 18 Read/Feed constraints in 6 ms returned sat
[2025-06-01 13:56:41] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:56:41] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 13:56:41] [INFO ] [Nat]Absence check using state equation in 45 ms returned sat
[2025-06-01 13:56:41] [INFO ] [Nat]Added 18 Read/Feed constraints in 5 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:56:41] [INFO ] Deduced a trap composed of 14 places in 72 ms of which 7 ms to minimize.
[2025-06-01 13:56:41] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 84 ms
[2025-06-01 13:56:41] [INFO ] Computed and/alt/rep : 60/196/54 causal constraints (skipped 72 transitions) in 10 ms.
[2025-06-01 13:56:41] [INFO ] Added : 15 causal constraints over 5 iterations in 75 ms. Result :sat
Minimization took 33 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[255] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[255] Max Struct:[+inf]
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 3 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 82/82 places, 208/208 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 3 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
[2025-06-01 13:56:42] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 13:56:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:56:42] [INFO ] Implicit Places using invariants in 128 ms returned []
[2025-06-01 13:56:42] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 13:56:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:56:42] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 13:56:42] [INFO ] Implicit Places using invariants and state equation in 405 ms returned []
Implicit Place search using SMT with State Equation took 534 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 13:56:42] [INFO ] Redundant transitions in 1 ms returned []
Running 206 sub problems to find dead transitions.
[2025-06-01 13:56:42] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 13:56:42] [INFO ] Invariant cache hit.
[2025-06-01 13:56:42] [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) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (OVERLAPS) 128/210 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/210 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 210/210 variables, and 103 constraints, problems are : Problem set: 0 solved, 206 unsolved in 12972 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (OVERLAPS) 128/210 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/210 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/210 variables, 206/309 constraints. Problems are: Problem set: 0 solved, 206 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:57:04] [INFO ] Deduced a trap along path composed of 3 places in 36 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:57:04] [INFO ] Deduced a trap along path composed of 3 places in 29 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/210 variables, 2/311 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/210 variables, 0/311 constraints. Problems are: Problem set: 0 solved, 206 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 210/210 variables, and 311 constraints, problems are : Problem set: 0 solved, 206 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 43071ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 43073ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43619 ms. Remains : 82/82 places, 208/208 transitions.
[2025-06-01 13:57:25] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {29=1, 32=1, 34=1, 63=1, 94=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {26=1, 60=1, 91=1, 123=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 44 ms. (steps per millisecond=227 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[255] Max Struct:[+inf]
[2025-06-01 13:57:26] [INFO ] Flatten gal took : 9 ms
[2025-06-01 13:57:26] [INFO ] Flatten gal took : 9 ms
[2025-06-01 13:57:26] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7720395801713091598.gal : 2 ms
[2025-06-01 13:57:26] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality367496990075038806.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/ReachabilityCardinality7720395801713091598.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality367496990075038806.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 ...327
RANDOM walk for 40000 steps (8 resets) in 109 ms. (363 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 45 ms. (869 steps per ms) remains 1/1 properties
Loading property file /tmp/ReachabilityCardinality367496990075038806.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 31
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :31 after 1045
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1045 after 158850
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :158850 after 1.90899e+08
Interrupted probabilistic random walk after 1572092 steps, run timeout after 3001 ms. (steps per millisecond=523 ) properties seen :0 out of 1
Probabilistic random walk after 1572092 steps, saw 995614 distinct states, run finished after 3001 ms. (steps per millisecond=523 ) properties seen :0
[2025-06-01 13:57:29] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 13:57:29] [INFO ] Invariant cache hit.
[2025-06-01 13:57:29] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 70/75 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 10/85 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/85 variables, 4/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/85 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 100/185 variables, 58/69 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/185 variables, 18/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/185 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 6/191 variables, 1/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/191 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 14/205 variables, 12/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/205 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (OVERLAPS) 4/209 variables, 2/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/209 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/210 variables, 1/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 210/210 variables, and 103 constraints, problems are : Problem set: 0 solved, 1 unsolved in 142 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 70/75 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/75 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 10/85 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/85 variables, 4/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/85 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 100/185 variables, 58/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/185 variables, 18/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/185 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 6/191 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/191 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 14/205 variables, 12/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/205 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 4/209 variables, 2/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/209 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/210 variables, 1/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/210 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/210 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 210/210 variables, and 104 constraints, problems are : Problem set: 0 solved, 1 unsolved in 163 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 310ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 0 ms.
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 3 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 82/82 places, 208/208 transitions.
RANDOM walk for 40002 steps (8 resets) in 69 ms. (571 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 29 ms. (1333 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :1.90899e+08 after 3.32784e+12
Interrupted probabilistic random walk after 1710119 steps, run timeout after 3001 ms. (steps per millisecond=569 ) properties seen :0 out of 1
Probabilistic random walk after 1710119 steps, saw 1090345 distinct states, run finished after 3001 ms. (steps per millisecond=569 ) properties seen :0
[2025-06-01 13:57:32] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 13:57:32] [INFO ] Invariant cache hit.
[2025-06-01 13:57:32] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 70/75 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 10/85 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/85 variables, 4/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/85 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 100/185 variables, 58/69 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/185 variables, 18/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/185 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 6/191 variables, 1/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/191 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 14/205 variables, 12/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/205 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (OVERLAPS) 4/209 variables, 2/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/209 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/210 variables, 1/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 210/210 variables, and 103 constraints, problems are : Problem set: 0 solved, 1 unsolved in 142 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 70/75 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/75 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 10/85 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/85 variables, 4/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/85 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 100/185 variables, 58/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/185 variables, 18/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/185 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 6/191 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/191 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 14/205 variables, 12/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/205 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 4/209 variables, 2/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/209 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/210 variables, 1/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/210 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/210 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 210/210 variables, and 104 constraints, problems are : Problem set: 0 solved, 1 unsolved in 161 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 307ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 0 ms.
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 5 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 82/82 places, 208/208 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 3 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
[2025-06-01 13:57:32] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 13:57:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:57:32] [INFO ] Implicit Places using invariants in 120 ms returned []
[2025-06-01 13:57:32] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 13:57:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:57:33] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 13:57:33] [INFO ] Implicit Places using invariants and state equation in 226 ms returned []
Implicit Place search using SMT with State Equation took 347 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 13:57:33] [INFO ] Redundant transitions in 0 ms returned []
Running 206 sub problems to find dead transitions.
[2025-06-01 13:57:33] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 13:57:33] [INFO ] Invariant cache hit.
[2025-06-01 13:57:33] [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) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (OVERLAPS) 128/210 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/210 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 210/210 variables, and 103 constraints, problems are : Problem set: 0 solved, 206 unsolved in 7954 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (OVERLAPS) 128/210 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/210 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/210 variables, 206/309 constraints. Problems are: Problem set: 0 solved, 206 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:57:47] [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
[2025-06-01 13:57:47] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 0 ms to minimize.
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :3.32784e+12 after 4.65859e+17
At refinement iteration 5 (INCLUDED_ONLY) 0/210 variables, 2/311 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/210 variables, 0/311 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 7 (OVERLAPS) 0/210 variables, 0/311 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Int declared 210/210 variables, and 311 constraints, problems are : Problem set: 0 solved, 206 unsolved in 30008 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 38014ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 38016ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 38373 ms. Remains : 82/82 places, 208/208 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 80 transitions
Reduce isomorphic transitions removed 80 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 7 transitions
Trivial Post-agglo rules discarded 7 transitions
Performed 7 trivial Post agglomeration. Transition count delta: 7
Iterating post reduction 0 with 87 rules applied. Total rules applied 87 place count 82 transition count 121
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 94 place count 75 transition count 121
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 16 Pre rules applied. Total rules applied 94 place count 75 transition count 105
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 126 place count 59 transition count 105
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: 15
Deduced a syphon composed of 15 places in 0 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 2 with 30 rules applied. Total rules applied 156 place count 44 transition count 90
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 163 place count 37 transition count 76
Iterating global reduction 2 with 7 rules applied. Total rules applied 170 place count 37 transition count 76
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 177 place count 30 transition count 62
Iterating global reduction 2 with 7 rules applied. Total rules applied 184 place count 30 transition count 62
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 191 place count 23 transition count 48
Iterating global reduction 2 with 7 rules applied. Total rules applied 198 place count 23 transition count 48
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 205 place count 23 transition count 41
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 205 place count 23 transition count 40
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 207 place count 22 transition count 40
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 211 place count 20 transition count 40
Applied a total of 211 rules in 13 ms. Remains 20 /82 variables (removed 62) and now considering 40/208 (removed 168) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 40 rows 20 cols
[2025-06-01 13:58:11] [INFO ] Computed 3 invariants in 4 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 13:58:11] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 13:58:11] [INFO ] After 17ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2025-06-01 13:58:11] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-01 13:58:11] [INFO ] After 4ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-01 13:58:11] [INFO ] After 48ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 13:58:11] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 13:58:11] [INFO ] After 17ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-01 13:58:11] [INFO ] After 4ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-01 13:58:11] [INFO ] After 9ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-01 13:58:11] [INFO ] After 56ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-01 13:58:11] [INFO ] Flatten gal took : 2 ms
[2025-06-01 13:58:11] [INFO ] Flatten gal took : 2 ms
[2025-06-01 13:58:11] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6977314763168137487.gal : 1 ms
[2025-06-01 13:58:11] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17814913093124693496.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/ReachabilityCardinality6977314763168137487.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17814913093124693496.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/ReachabilityCardinality17814913093124693496.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 126
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :126 after 11556
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :11556 after 7.75751e+06
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :7.75751e+06 after 6.04406e+07
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :6.04406e+07 after 3.13809e+08
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :3.13809e+08 after 1.41049e+09
Detected timeout of ITS tools.
[2025-06-01 13:58:16] [INFO ] Flatten gal took : 7 ms
[2025-06-01 13:58:16] [INFO ] Applying decomposition
[2025-06-01 13:58:16] [INFO ] Flatten gal took : 7 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/graph11649528213931911602.txt' '-o' '/tmp/graph11649528213931911602.bin' '-w' '/tmp/graph11649528213931911602.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph11649528213931911602.bin' '-l' '-1' '-v' '-w' '/tmp/graph11649528213931911602.weights' '-q' '0' '-e' '0.001'
[2025-06-01 13:58:16] [INFO ] Decomposing Gal with order
[2025-06-01 13:58:16] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 13:58:16] [INFO ] Removed a total of 355 redundant transitions.
[2025-06-01 13:58:16] [INFO ] Flatten gal took : 17 ms
[2025-06-01 13:58:16] [INFO ] Fuse similar labels procedure discarded/fused a total of 118 labels/synchronizations in 4 ms.
[2025-06-01 13:58:16] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17089444027885083211.gal : 2 ms
[2025-06-01 13:58:16] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7851458728822022594.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/ReachabilityCardinality17089444027885083211.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7851458728822022594.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality7851458728822022594.prop.
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :1.41049e+09 after 5.96009e+09
Detected timeout of ITS tools.
[2025-06-01 13:58:26] [INFO ] Flatten gal took : 1 ms
[2025-06-01 13:58:26] [INFO ] Applying decomposition
[2025-06-01 13:58:26] [INFO ] Flatten gal took : 1 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph13522324135564507868.txt' '-o' '/tmp/graph13522324135564507868.bin' '-w' '/tmp/graph13522324135564507868.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph13522324135564507868.bin' '-l' '-1' '-v' '-w' '/tmp/graph13522324135564507868.weights' '-q' '0' '-e' '0.001'
[2025-06-01 13:58:26] [INFO ] Decomposing Gal with order
[2025-06-01 13:58:26] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 13:58:26] [INFO ] Removed a total of 47 redundant transitions.
[2025-06-01 13:58:26] [INFO ] Flatten gal took : 4 ms
[2025-06-01 13:58:26] [INFO ] Fuse similar labels procedure discarded/fused a total of 4 labels/synchronizations in 1 ms.
[2025-06-01 13:58:26] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6126106713697525515.gal : 1 ms
[2025-06-01 13:58:26] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15185506824889793125.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/ReachabilityCardinality6126106713697525515.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15185506824889793125.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality15185506824889793125.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 126
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :126 after 9137
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30216 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[255] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b032-UpperBounds-14 in 216657 ms.
[2025-06-01 13:58:41] [INFO ] Flatten gal took : 9 ms
[2025-06-01 13:58:41] [INFO ] Applying decomposition
[2025-06-01 13:58:41] [INFO ] Flatten gal took : 8 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/graph14693881341019484142.txt' '-o' '/tmp/graph14693881341019484142.bin' '-w' '/tmp/graph14693881341019484142.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph14693881341019484142.bin' '-l' '-1' '-v' '-w' '/tmp/graph14693881341019484142.weights' '-q' '0' '-e' '0.001'
[2025-06-01 13:58:41] [INFO ] Decomposing Gal with order
[2025-06-01 13:58:41] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 13:58:41] [INFO ] Removed a total of 505 redundant transitions.
[2025-06-01 13:58:41] [INFO ] Flatten gal took : 21 ms
[2025-06-01 13:58:41] [INFO ] Fuse similar labels procedure discarded/fused a total of 162 labels/synchronizations in 6 ms.
[2025-06-01 13:58:41] [INFO ] Time to serialize gal into /tmp/UpperBounds10719641577010004367.gal : 3 ms
[2025-06-01 13:58:41] [INFO ] Time to serialize properties into /tmp/UpperBounds8811893813927366932.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/UpperBounds10719641577010004367.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds8811893813927366932.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/UpperBounds8811893813927366932.prop.
Detected timeout of ITS tools.
[2025-06-01 14:28:40] [INFO ] Flatten gal took : 33 ms
[2025-06-01 14:28:40] [INFO ] Time to serialize gal into /tmp/UpperBounds13505761360891355499.gal : 5 ms
[2025-06-01 14:28:40] [INFO ] Time to serialize properties into /tmp/UpperBounds15674664147220503365.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/UpperBounds13505761360891355499.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds15674664147220503365.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...306
Loading property file /tmp/UpperBounds15674664147220503365.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-b032"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"
# this is specific to your benchmark or test
export BIN_DIR="$HOME/BenchKit/bin"
# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi
# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool itstools"
echo " Input is FunctionPointer-PT-b032, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r100-smll-174867007400093"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/FunctionPointer-PT-b032.tgz
mv FunctionPointer-PT-b032 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "UpperBounds.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;