About the Execution of ITS-Tools for FunctionPointer-PT-b008
| 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 | 0 ? 0 ? 0 8 ? ? 0 ? 8 8 ? ? ? ? | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r100-smll-174867007300077.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-b008, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r100-smll-174867007300077
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 892K
-rw-r--r-- 1 mcc users 6.2K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 62K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 52K 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 28K 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 18K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 171K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.9K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 88K 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-b008-UpperBounds-00
FORMULA_NAME FunctionPointer-PT-b008-UpperBounds-01
FORMULA_NAME FunctionPointer-PT-b008-UpperBounds-02
FORMULA_NAME FunctionPointer-PT-b008-UpperBounds-03
FORMULA_NAME FunctionPointer-PT-b008-UpperBounds-04
FORMULA_NAME FunctionPointer-PT-b008-UpperBounds-05
FORMULA_NAME FunctionPointer-PT-b008-UpperBounds-06
FORMULA_NAME FunctionPointer-PT-b008-UpperBounds-07
FORMULA_NAME FunctionPointer-PT-b008-UpperBounds-08
FORMULA_NAME FunctionPointer-PT-b008-UpperBounds-09
FORMULA_NAME FunctionPointer-PT-b008-UpperBounds-10
FORMULA_NAME FunctionPointer-PT-b008-UpperBounds-11
FORMULA_NAME FunctionPointer-PT-b008-UpperBounds-12
FORMULA_NAME FunctionPointer-PT-b008-UpperBounds-13
FORMULA_NAME FunctionPointer-PT-b008-UpperBounds-14
FORMULA_NAME FunctionPointer-PT-b008-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1748762303401
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-b008
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2025-06-01 07:18:26] [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 07:18:26] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-01 07:18:26] [INFO ] Load time of PNML (sax parser for PT used): 225 ms
[2025-06-01 07:18:26] [INFO ] Transformed 306 places.
[2025-06-01 07:18:26] [INFO ] Transformed 840 transitions.
[2025-06-01 07:18:26] [INFO ] Parsed PT model containing 306 places and 840 transitions and 3392 arcs in 407 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 11 ms.
Reduction of identical properties reduced properties to check from 16 to 15
Deduced a syphon composed of 84 places in 8 ms
Reduce places removed 84 places and 192 transitions.
FORMULA FunctionPointer-PT-b008-UpperBounds-00 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-b008-UpperBounds-02 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-b008-UpperBounds-04 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-b008-UpperBounds-08 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 07:18:26] [INFO ] Flow matrix only has 414 transitions (discarded 234 similar events)
// Phase 1: matrix 414 rows 222 cols
[2025-06-01 07:18:26] [INFO ] Computed 4 invariants in 41 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, 8, 8, +inf, +inf, +inf]
RANDOM walk for 10001 steps (6 resets) in 127 ms. (78 steps per ms)
FORMULA FunctionPointer-PT-b008-UpperBounds-11 8 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FunctionPointer-PT-b008-UpperBounds-05 8 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 90009 steps (20 resets) in 237 ms. (378 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 11, 2, 9, 9, 7, 9, 6, 1] Max Struct:[+inf, +inf, +inf, +inf, +inf, 8, +inf, +inf, +inf]
[2025-06-01 07:18:27] [INFO ] Flow matrix only has 414 transitions (discarded 234 similar events)
[2025-06-01 07:18:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 07:18:27] [INFO ] [Real]Absence check using 3 positive place invariants in 8 ms returned sat
[2025-06-01 07:18:27] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:18:27] [INFO ] [Real]Absence check using state equation in 313 ms returned sat
[2025-06-01 07:18:27] [INFO ] State equation strengthened by 65 read => feed constraints.
[2025-06-01 07:18:27] [INFO ] [Real]Added 65 Read/Feed constraints in 36 ms returned sat
[2025-06-01 07:18:27] [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 07:18:28] [INFO ] [Nat]Absence check using 3 positive place invariants in 8 ms returned sat
[2025-06-01 07:18:28] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:18:28] [INFO ] [Nat]Absence check using state equation in 272 ms returned sat
[2025-06-01 07:18:28] [INFO ] [Nat]Added 65 Read/Feed constraints in 38 ms returned sat
[2025-06-01 07:18:28] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 149 ms.
[2025-06-01 07:18:28] [INFO ] Added : 2 causal constraints over 1 iterations in 300 ms. Result :sat
Minimization took 171 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 07:18:29] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 07:18:29] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:18:29] [INFO ] [Real]Absence check using state equation in 240 ms returned sat
[2025-06-01 07:18:29] [INFO ] [Real]Added 65 Read/Feed constraints in 25 ms returned sat
[2025-06-01 07:18:29] [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 07:18:29] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 07:18:29] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:18:29] [INFO ] [Nat]Absence check using state equation in 214 ms returned sat
[2025-06-01 07:18:29] [INFO ] [Nat]Added 65 Read/Feed constraints in 23 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:18:30] [INFO ] Deduced a trap composed of 21 places in 414 ms of which 31 ms to minimize.
[2025-06-01 07:18:30] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 481 ms
[2025-06-01 07:18:30] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 110 ms.
[2025-06-01 07:18:30] [INFO ] Added : 2 causal constraints over 1 iterations in 209 ms. Result :sat
Minimization took 113 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 07:18:30] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 07:18:30] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:18:30] [INFO ] [Real]Absence check using state equation in 225 ms returned sat
[2025-06-01 07:18:30] [INFO ] [Real]Added 65 Read/Feed constraints in 26 ms returned sat
[2025-06-01 07:18:30] [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 07:18:31] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 07:18:31] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-01 07:18:31] [INFO ] [Nat]Absence check using state equation in 214 ms returned sat
[2025-06-01 07:18:31] [INFO ] [Nat]Added 65 Read/Feed constraints in 32 ms returned sat
[2025-06-01 07:18:31] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 99 ms.
[2025-06-01 07:18:31] [INFO ] Added : 2 causal constraints over 1 iterations in 203 ms. Result :sat
Minimization took 162 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 07:18:31] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 07:18:31] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 4 ms returned sat
[2025-06-01 07:18:31] [INFO ] [Real]Absence check using state equation in 187 ms returned sat
[2025-06-01 07:18:32] [INFO ] [Real]Added 65 Read/Feed constraints in 32 ms returned sat
[2025-06-01 07:18:32] [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 07:18:32] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 07:18:32] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 4 ms returned sat
[2025-06-01 07:18:32] [INFO ] [Nat]Absence check using state equation in 178 ms returned sat
[2025-06-01 07:18:32] [INFO ] [Nat]Added 65 Read/Feed constraints in 20 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:18:32] [INFO ] Deduced a trap composed of 21 places in 340 ms of which 28 ms to minimize.
[2025-06-01 07:18:32] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 387 ms
[2025-06-01 07:18:32] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 88 ms.
[2025-06-01 07:18:32] [INFO ] Added : 2 causal constraints over 1 iterations in 195 ms. Result :sat
Minimization took 173 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 07:18:33] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 07:18:33] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:18:33] [INFO ] [Real]Absence check using state equation in 173 ms returned sat
[2025-06-01 07:18:33] [INFO ] [Real]Added 65 Read/Feed constraints in 21 ms returned sat
[2025-06-01 07:18:33] [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 07:18:33] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 07:18:33] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:18:33] [INFO ] [Nat]Absence check using state equation in 144 ms returned sat
[2025-06-01 07:18:33] [INFO ] [Nat]Added 65 Read/Feed constraints in 23 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:18:33] [INFO ] Deduced a trap composed of 21 places in 227 ms of which 19 ms to minimize.
[2025-06-01 07:18:33] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 261 ms
[2025-06-01 07:18:34] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 77 ms.
[2025-06-01 07:18:34] [INFO ] Added : 2 causal constraints over 1 iterations in 147 ms. Result :sat
Minimization took 111 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 07:18:34] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 07:18:34] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:18:34] [INFO ] [Real]Absence check using state equation in 141 ms returned sat
[2025-06-01 07:18:34] [INFO ] [Real]Added 65 Read/Feed constraints in 17 ms returned sat
[2025-06-01 07:18:34] [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 07:18:34] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 07:18:34] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:18:34] [INFO ] [Nat]Absence check using state equation in 172 ms returned sat
[2025-06-01 07:18:34] [INFO ] [Nat]Added 65 Read/Feed constraints in 17 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:18:35] [INFO ] Deduced a trap composed of 21 places in 346 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:18:35] [INFO ] Deduced a trap composed of 51 places in 211 ms of which 19 ms to minimize.
[2025-06-01 07:18:35] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 632 ms
[2025-06-01 07:18:35] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 61 ms.
[2025-06-01 07:18:35] [INFO ] Added : 2 causal constraints over 1 iterations in 145 ms. Result :sat
Minimization took 186 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 07:18:35] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 07:18:35] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:18:35] [INFO ] [Real]Absence check using state equation in 185 ms returned sat
[2025-06-01 07:18:35] [INFO ] [Real]Added 65 Read/Feed constraints in 16 ms returned sat
[2025-06-01 07:18:36] [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 07:18:36] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 07:18:36] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:18:36] [INFO ] [Nat]Absence check using state equation in 143 ms returned sat
[2025-06-01 07:18:36] [INFO ] [Nat]Added 65 Read/Feed constraints in 16 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:18:36] [INFO ] Deduced a trap composed of 21 places in 207 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:18:36] [INFO ] Deduced a trap composed of 51 places in 170 ms of which 19 ms to minimize.
[2025-06-01 07:18:36] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 431 ms
[2025-06-01 07:18:36] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 40 ms.
[2025-06-01 07:18:36] [INFO ] Added : 2 causal constraints over 1 iterations in 103 ms. Result :sat
Minimization took 111 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 07:18:36] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 07:18:36] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-01 07:18:37] [INFO ] [Real]Absence check using state equation in 208 ms returned sat
[2025-06-01 07:18:37] [INFO ] [Real]Added 65 Read/Feed constraints in 23 ms returned sat
[2025-06-01 07:18:37] [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 07:18:37] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 07:18:37] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:18:37] [INFO ] [Nat]Absence check using state equation in 173 ms returned sat
[2025-06-01 07:18:37] [INFO ] [Nat]Added 65 Read/Feed constraints in 17 ms returned sat
[2025-06-01 07:18:37] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 48 ms.
[2025-06-01 07:18:37] [INFO ] Added : 1 causal constraints over 1 iterations in 126 ms. Result :sat
Minimization took 163 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 07:18:37] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 07:18:37] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:18:38] [INFO ] [Real]Absence check using state equation in 183 ms returned sat
[2025-06-01 07:18:38] [INFO ] [Real]Added 65 Read/Feed constraints in 18 ms returned sat
[2025-06-01 07:18:38] [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 07:18:38] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2025-06-01 07:18:38] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:18:38] [INFO ] [Nat]Absence check using state equation in 184 ms returned sat
[2025-06-01 07:18:38] [INFO ] [Nat]Added 65 Read/Feed constraints in 19 ms returned sat
[2025-06-01 07:18:38] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 43 ms.
[2025-06-01 07:18:38] [INFO ] Added : 1 causal constraints over 1 iterations in 139 ms. Result :sat
Minimization took 158 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2, 11, 2, 9, 9, 7, 9, 6, 1] Max Struct:[+inf, +inf, +inf, +inf, +inf, 8, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 11, 2, 9, 9, 7, 9, 6, 1] Max Struct:[+inf, +inf, +inf, +inf, +inf, 8, +inf, +inf, +inf]
Support contains 9 out of 222 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 222/222 places, 648/648 transitions.
Graph (complete) has 932 edges and 222 vertex of which 197 are kept as prefixes of interest. Removing 25 places using SCC suffix rule.5 ms
Discarding 25 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 32 transitions
Reduce isomorphic transitions removed 32 transitions.
Iterating post reduction 0 with 32 rules applied. Total rules applied 33 place count 197 transition count 616
Discarding 28 places :
Symmetric choice reduction at 1 with 28 rule applications. Total rules 61 place count 169 transition count 454
Iterating global reduction 1 with 28 rules applied. Total rules applied 89 place count 169 transition count 454
Ensure Unique test removed 28 transitions
Reduce isomorphic transitions removed 28 transitions.
Iterating post reduction 1 with 28 rules applied. Total rules applied 117 place count 169 transition count 426
Discarding 16 places :
Symmetric choice reduction at 2 with 16 rule applications. Total rules 133 place count 153 transition count 394
Iterating global reduction 2 with 16 rules applied. Total rules applied 149 place count 153 transition count 394
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 153 place count 153 transition count 390
Discarding 7 places :
Symmetric choice reduction at 3 with 7 rule applications. Total rules 160 place count 146 transition count 376
Iterating global reduction 3 with 7 rules applied. Total rules applied 167 place count 146 transition count 376
Discarding 6 places :
Symmetric choice reduction at 3 with 6 rule applications. Total rules 173 place count 140 transition count 352
Iterating global reduction 3 with 6 rules applied. Total rules applied 179 place count 140 transition count 352
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 184 place count 135 transition count 342
Iterating global reduction 3 with 5 rules applied. Total rules applied 189 place count 135 transition count 342
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 194 place count 130 transition count 322
Iterating global reduction 3 with 5 rules applied. Total rules applied 199 place count 130 transition count 322
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 203 place count 126 transition count 306
Iterating global reduction 3 with 4 rules applied. Total rules applied 207 place count 126 transition count 306
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 211 place count 122 transition count 298
Iterating global reduction 3 with 4 rules applied. Total rules applied 215 place count 122 transition count 298
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 219 place count 118 transition count 290
Iterating global reduction 3 with 4 rules applied. Total rules applied 223 place count 118 transition count 290
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 227 place count 114 transition count 282
Iterating global reduction 3 with 4 rules applied. Total rules applied 231 place count 114 transition count 282
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 235 place count 110 transition count 274
Iterating global reduction 3 with 4 rules applied. Total rules applied 239 place count 110 transition count 274
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 242 place count 107 transition count 268
Iterating global reduction 3 with 3 rules applied. Total rules applied 245 place count 107 transition count 268
Drop transitions (Redundant composition of simpler transitions.) removed 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 3 with 8 rules applied. Total rules applied 253 place count 107 transition count 260
Applied a total of 253 rules in 283 ms. Remains 107 /222 variables (removed 115) and now considering 260/648 (removed 388) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 300 ms. Remains : 107/222 places, 260/648 transitions.
[2025-06-01 07:18:39] [INFO ] Flow matrix only has 172 transitions (discarded 88 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {25=1, 35=1, 83=1, 97=1, 119=1, 156=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {31=1, 79=1, 115=1, 157=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 6 resets, run finished after 98 ms. (steps per millisecond=102 ) properties (out of 9) seen :[1, 3, 5, 3, 1, 3, 1, 5, 3]
Current structural bounds on expressions (after cover walk) : Max Seen:[2, 11, 5, 9, 9, 7, 9, 6, 3] Max Struct:[+inf, +inf, +inf, +inf, +inf, 8, +inf, +inf, +inf]
[2025-06-01 07:18:39] [INFO ] Flow matrix only has 172 transitions (discarded 88 similar events)
// Phase 1: matrix 172 rows 107 cols
[2025-06-01 07:18:39] [INFO ] Computed 2 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2, 11, 5, 9, 9, 7, 9, 6, 3] Max Struct:[+inf, +inf, +inf, +inf, +inf, 8, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1815 ms. (550 steps per ms)
BEST_FIRST walk for 9000009 steps (22 resets) in 7037 ms. (1278 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[4, 11, 278, 9, 9, 7, 9, 467, 667] Max Struct:[+inf, +inf, +inf, +inf, +inf, 8, +inf, +inf, +inf]
[2025-06-01 07:18:48] [INFO ] Flow matrix only has 172 transitions (discarded 88 similar events)
[2025-06-01 07:18:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 07:18:48] [INFO ] [Real]Absence check using 1 positive place invariants in 3 ms returned sat
[2025-06-01 07:18:48] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:18:48] [INFO ] [Real]Absence check using state equation in 61 ms returned sat
[2025-06-01 07:18:48] [INFO ] State equation strengthened by 35 read => feed constraints.
[2025-06-01 07:18:48] [INFO ] [Real]Added 35 Read/Feed constraints in 8 ms returned sat
[2025-06-01 07:18:48] [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 07:18:48] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-06-01 07:18:48] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:18:48] [INFO ] [Nat]Absence check using state equation in 60 ms returned sat
[2025-06-01 07:18:48] [INFO ] [Nat]Added 35 Read/Feed constraints in 9 ms returned sat
[2025-06-01 07:18:48] [INFO ] Computed and/alt/rep : 38/99/35 causal constraints (skipped 135 transitions) in 10 ms.
[2025-06-01 07:18:48] [INFO ] Added : 9 causal constraints over 3 iterations in 67 ms. Result :sat
Minimization took 34 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 07:18:48] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-06-01 07:18:48] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 3 ms returned sat
[2025-06-01 07:18:49] [INFO ] [Real]Absence check using state equation in 79 ms returned sat
[2025-06-01 07:18:49] [INFO ] [Real]Added 35 Read/Feed constraints in 12 ms returned sat
[2025-06-01 07:18:49] [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 07:18:49] [INFO ] [Nat]Absence check using 1 positive place invariants in 3 ms returned sat
[2025-06-01 07:18:49] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-01 07:18:49] [INFO ] [Nat]Absence check using state equation in 93 ms returned sat
[2025-06-01 07:18:49] [INFO ] [Nat]Added 35 Read/Feed constraints in 12 ms returned sat
[2025-06-01 07:18:49] [INFO ] Computed and/alt/rep : 38/99/35 causal constraints (skipped 135 transitions) in 18 ms.
[2025-06-01 07:18:49] [INFO ] Added : 2 causal constraints over 1 iterations in 57 ms. Result :sat
Minimization took 56 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 07:18:49] [INFO ] [Real]Absence check using 1 positive place invariants in 3 ms returned sat
[2025-06-01 07:18:49] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:18:49] [INFO ] [Real]Absence check using state equation in 96 ms returned sat
[2025-06-01 07:18:49] [INFO ] [Real]Added 35 Read/Feed constraints in 9 ms returned sat
[2025-06-01 07:18:49] [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 07:18:49] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-06-01 07:18:49] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:18:49] [INFO ] [Nat]Absence check using state equation in 79 ms returned sat
[2025-06-01 07:18:49] [INFO ] [Nat]Added 35 Read/Feed constraints in 10 ms returned sat
[2025-06-01 07:18:49] [INFO ] Computed and/alt/rep : 38/99/35 causal constraints (skipped 135 transitions) in 17 ms.
[2025-06-01 07:18:49] [INFO ] Added : 12 causal constraints over 5 iterations in 139 ms. Result :sat
Minimization took 69 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 07:18:49] [INFO ] [Real]Absence check using 1 positive place invariants in 3 ms returned sat
[2025-06-01 07:18:49] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:18:50] [INFO ] [Real]Absence check using state equation in 94 ms returned sat
[2025-06-01 07:18:50] [INFO ] [Real]Added 35 Read/Feed constraints in 14 ms returned sat
[2025-06-01 07:18:50] [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 07:18:50] [INFO ] [Nat]Absence check using 1 positive place invariants in 3 ms returned sat
[2025-06-01 07:18:50] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:18:50] [INFO ] [Nat]Absence check using state equation in 96 ms returned sat
[2025-06-01 07:18:50] [INFO ] [Nat]Added 35 Read/Feed constraints in 14 ms returned sat
[2025-06-01 07:18:50] [INFO ] Computed and/alt/rep : 38/99/35 causal constraints (skipped 135 transitions) in 18 ms.
[2025-06-01 07:18:50] [INFO ] Added : 2 causal constraints over 1 iterations in 64 ms. Result :sat
Minimization took 54 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 07:18:50] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2025-06-01 07:18:50] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:18:50] [INFO ] [Real]Absence check using state equation in 95 ms returned sat
[2025-06-01 07:18:50] [INFO ] [Real]Added 35 Read/Feed constraints in 12 ms returned sat
[2025-06-01 07:18:50] [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 07:18:50] [INFO ] [Nat]Absence check using 1 positive place invariants in 3 ms returned sat
[2025-06-01 07:18:50] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:18:50] [INFO ] [Nat]Absence check using state equation in 94 ms returned sat
[2025-06-01 07:18:50] [INFO ] [Nat]Added 35 Read/Feed constraints in 13 ms returned sat
[2025-06-01 07:18:50] [INFO ] Computed and/alt/rep : 38/99/35 causal constraints (skipped 135 transitions) in 20 ms.
[2025-06-01 07:18:50] [INFO ] Added : 2 causal constraints over 1 iterations in 66 ms. Result :sat
Minimization took 54 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 07:18:50] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2025-06-01 07:18:50] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:18:51] [INFO ] [Real]Absence check using state equation in 95 ms returned sat
[2025-06-01 07:18:51] [INFO ] [Real]Added 35 Read/Feed constraints in 14 ms returned sat
[2025-06-01 07:18:51] [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 07:18:51] [INFO ] [Nat]Absence check using 1 positive place invariants in 3 ms returned sat
[2025-06-01 07:18:51] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:18:51] [INFO ] [Nat]Absence check using state equation in 91 ms returned sat
[2025-06-01 07:18:51] [INFO ] [Nat]Added 35 Read/Feed constraints in 14 ms returned sat
[2025-06-01 07:18:51] [INFO ] Computed and/alt/rep : 38/99/35 causal constraints (skipped 135 transitions) in 22 ms.
[2025-06-01 07:18:51] [INFO ] Added : 1 causal constraints over 1 iterations in 59 ms. Result :sat
Minimization took 55 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 07:18:51] [INFO ] [Real]Absence check using 1 positive place invariants in 3 ms returned sat
[2025-06-01 07:18:51] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-01 07:18:51] [INFO ] [Real]Absence check using state equation in 81 ms returned sat
[2025-06-01 07:18:51] [INFO ] [Real]Added 35 Read/Feed constraints in 12 ms returned sat
[2025-06-01 07:18:51] [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 07:18:51] [INFO ] [Nat]Absence check using 1 positive place invariants in 3 ms returned sat
[2025-06-01 07:18:51] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:18:51] [INFO ] [Nat]Absence check using state equation in 83 ms returned sat
[2025-06-01 07:18:51] [INFO ] [Nat]Added 35 Read/Feed constraints in 12 ms returned sat
[2025-06-01 07:18:51] [INFO ] Computed and/alt/rep : 38/99/35 causal constraints (skipped 135 transitions) in 16 ms.
[2025-06-01 07:18:51] [INFO ] Added : 2 causal constraints over 1 iterations in 56 ms. Result :sat
Minimization took 53 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 07:18:51] [INFO ] [Real]Absence check using 1 positive place invariants in 3 ms returned sat
[2025-06-01 07:18:51] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:18:51] [INFO ] [Real]Absence check using state equation in 82 ms returned sat
[2025-06-01 07:18:51] [INFO ] [Real]Added 35 Read/Feed constraints in 9 ms returned sat
[2025-06-01 07:18:51] [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 07:18:52] [INFO ] [Nat]Absence check using 1 positive place invariants in 3 ms returned sat
[2025-06-01 07:18:52] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:18:52] [INFO ] [Nat]Absence check using state equation in 83 ms returned sat
[2025-06-01 07:18:52] [INFO ] [Nat]Added 35 Read/Feed constraints in 10 ms returned sat
[2025-06-01 07:18:52] [INFO ] Computed and/alt/rep : 38/99/35 causal constraints (skipped 135 transitions) in 16 ms.
[2025-06-01 07:18:52] [INFO ] Added : 1 causal constraints over 1 iterations in 52 ms. Result :sat
Minimization took 52 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 07:18:52] [INFO ] [Real]Absence check using 1 positive place invariants in 3 ms returned sat
[2025-06-01 07:18:52] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:18:52] [INFO ] [Real]Absence check using state equation in 83 ms returned sat
[2025-06-01 07:18:52] [INFO ] [Real]Added 35 Read/Feed constraints in 11 ms returned sat
[2025-06-01 07:18:52] [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 07:18:52] [INFO ] [Nat]Absence check using 1 positive place invariants in 3 ms returned sat
[2025-06-01 07:18:52] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:18:52] [INFO ] [Nat]Absence check using state equation in 83 ms returned sat
[2025-06-01 07:18:52] [INFO ] [Nat]Added 35 Read/Feed constraints in 10 ms returned sat
[2025-06-01 07:18:52] [INFO ] Computed and/alt/rep : 38/99/35 causal constraints (skipped 135 transitions) in 16 ms.
[2025-06-01 07:18:52] [INFO ] Added : 9 causal constraints over 3 iterations in 86 ms. Result :sat
Minimization took 57 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[4, 11, 278, 9, 9, 7, 9, 467, 667] Max Struct:[+inf, +inf, +inf, +inf, +inf, 8, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[4, 11, 278, 9, 9, 7, 9, 467, 667] Max Struct:[+inf, +inf, +inf, +inf, +inf, 8, +inf, +inf, +inf]
Support contains 9 out of 107 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 107/107 places, 260/260 transitions.
Applied a total of 0 rules in 11 ms. Remains 107 /107 variables (removed 0) and now considering 260/260 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 107/107 places, 260/260 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 107/107 places, 260/260 transitions.
Applied a total of 0 rules in 11 ms. Remains 107 /107 variables (removed 0) and now considering 260/260 (removed 0) transitions.
[2025-06-01 07:18:52] [INFO ] Flow matrix only has 172 transitions (discarded 88 similar events)
[2025-06-01 07:18:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:18:52] [INFO ] Implicit Places using invariants in 180 ms returned []
[2025-06-01 07:18:52] [INFO ] Flow matrix only has 172 transitions (discarded 88 similar events)
[2025-06-01 07:18:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:18:53] [INFO ] State equation strengthened by 35 read => feed constraints.
[2025-06-01 07:18:53] [INFO ] Implicit Places using invariants and state equation in 501 ms returned []
Implicit Place search using SMT with State Equation took 684 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 07:18:53] [INFO ] Redundant transitions in 22 ms returned []
Running 258 sub problems to find dead transitions.
[2025-06-01 07:18:53] [INFO ] Flow matrix only has 172 transitions (discarded 88 similar events)
[2025-06-01 07:18:53] [INFO ] Invariant cache hit.
[2025-06-01 07:18:53] [INFO ] State equation strengthened by 35 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/107 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 258 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/107 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 258 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 258 unsolved
At refinement iteration 3 (OVERLAPS) 172/279 variables, 107/109 constraints. Problems are: Problem set: 0 solved, 258 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/279 variables, 35/144 constraints. Problems are: Problem set: 0 solved, 258 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/279 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 258 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/279 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 258 unsolved
No progress, stopping.
After SMT solving in domain Real declared 279/279 variables, and 144 constraints, problems are : Problem set: 0 solved, 258 unsolved in 12842 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 107/107 constraints, ReadFeed: 35/35 constraints, PredecessorRefiner: 258/258 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 258 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/107 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 258 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/107 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 258 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 258 unsolved
At refinement iteration 3 (OVERLAPS) 172/279 variables, 107/109 constraints. Problems are: Problem set: 0 solved, 258 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/279 variables, 35/144 constraints. Problems are: Problem set: 0 solved, 258 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/279 variables, 258/402 constraints. Problems are: Problem set: 0 solved, 258 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:19:15] [INFO ] Deduced a trap along path composed of 3 places in 41 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:19:16] [INFO ] Deduced a trap along path composed of 3 places in 26 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/279 variables, 2/404 constraints. Problems are: Problem set: 0 solved, 258 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/279 variables, 0/404 constraints. Problems are: Problem set: 0 solved, 258 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 279/279 variables, and 404 constraints, problems are : Problem set: 0 solved, 258 unsolved in 30028 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 107/107 constraints, ReadFeed: 35/35 constraints, PredecessorRefiner: 258/258 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 43151ms problems are : Problem set: 0 solved, 258 unsolved
Search for dead transitions found 0 dead transitions in 43163ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43912 ms. Remains : 107/107 places, 260/260 transitions.
[2025-06-01 07:19:36] [INFO ] Flow matrix only has 172 transitions (discarded 88 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {25=1, 35=1, 83=1, 97=1, 119=1, 156=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {31=1, 79=1, 115=1, 157=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 141 ms. (steps per millisecond=70 ) properties (out of 9) seen :[3, 2, 7, 3, 2, 1, 2, 3, 4]
Current structural bounds on expressions (after cover walk) : Max Seen:[4, 11, 278, 9, 9, 7, 9, 467, 667] Max Struct:[+inf, +inf, +inf, +inf, +inf, 8, +inf, +inf, +inf]
[2025-06-01 07:19:36] [INFO ] Flow matrix only has 172 transitions (discarded 88 similar events)
[2025-06-01 07:19:36] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[4, 11, 278, 9, 9, 7, 9, 467, 667] Max Struct:[+inf, +inf, +inf, +inf, +inf, 8, +inf, +inf, +inf]
RANDOM walk for 1000001 steps (2 resets) in 1958 ms. (510 steps per ms)
FORMULA FunctionPointer-PT-b008-UpperBounds-10 8 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 8000008 steps (19 resets) in 6100 ms. (1311 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[228, 11, 568, 9, 11, 11, 467, 667] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 07:19:45] [INFO ] Flow matrix only has 172 transitions (discarded 88 similar events)
[2025-06-01 07:19:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 07:19:45] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-06-01 07:19:45] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-01 07:19:45] [INFO ] [Real]Absence check using state equation in 70 ms returned sat
[2025-06-01 07:19:45] [INFO ] State equation strengthened by 35 read => feed constraints.
[2025-06-01 07:19:45] [INFO ] [Real]Added 35 Read/Feed constraints in 9 ms returned sat
[2025-06-01 07:19:45] [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 07:19:45] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-06-01 07:19:45] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:19:45] [INFO ] [Nat]Absence check using state equation in 68 ms returned sat
[2025-06-01 07:19:45] [INFO ] [Nat]Added 35 Read/Feed constraints in 9 ms returned sat
[2025-06-01 07:19:45] [INFO ] Computed and/alt/rep : 38/99/35 causal constraints (skipped 135 transitions) in 15 ms.
[2025-06-01 07:19:45] [INFO ] Added : 14 causal constraints over 4 iterations in 92 ms. Result :sat
Minimization took 41 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 07:19:45] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2025-06-01 07:19:45] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-01 07:19:45] [INFO ] [Real]Absence check using state equation in 95 ms returned sat
[2025-06-01 07:19:45] [INFO ] [Real]Added 35 Read/Feed constraints in 12 ms returned sat
[2025-06-01 07:19:45] [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 07:19:45] [INFO ] [Nat]Absence check using 1 positive place invariants in 3 ms returned sat
[2025-06-01 07:19:45] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:19:45] [INFO ] [Nat]Absence check using state equation in 93 ms returned sat
[2025-06-01 07:19:45] [INFO ] [Nat]Added 35 Read/Feed constraints in 12 ms returned sat
[2025-06-01 07:19:45] [INFO ] Computed and/alt/rep : 38/99/35 causal constraints (skipped 135 transitions) in 20 ms.
[2025-06-01 07:19:45] [INFO ] Added : 2 causal constraints over 1 iterations in 66 ms. Result :sat
Minimization took 53 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 07:19:45] [INFO ] [Real]Absence check using 1 positive place invariants in 3 ms returned sat
[2025-06-01 07:19:45] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:19:46] [INFO ] [Real]Absence check using state equation in 85 ms returned sat
[2025-06-01 07:19:46] [INFO ] [Real]Added 35 Read/Feed constraints in 8 ms returned sat
[2025-06-01 07:19:46] [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 07:19:46] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-06-01 07:19:46] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:19:46] [INFO ] [Nat]Absence check using state equation in 79 ms returned sat
[2025-06-01 07:19:46] [INFO ] [Nat]Added 35 Read/Feed constraints in 9 ms returned sat
[2025-06-01 07:19:46] [INFO ] Computed and/alt/rep : 38/99/35 causal constraints (skipped 135 transitions) in 18 ms.
[2025-06-01 07:19:46] [INFO ] Added : 12 causal constraints over 5 iterations in 115 ms. Result :sat
Minimization took 38 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 07:19:46] [INFO ] [Real]Absence check using 1 positive place invariants in 3 ms returned sat
[2025-06-01 07:19:46] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:19:46] [INFO ] [Real]Absence check using state equation in 78 ms returned sat
[2025-06-01 07:19:46] [INFO ] [Real]Added 35 Read/Feed constraints in 10 ms returned sat
[2025-06-01 07:19:46] [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 07:19:46] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-06-01 07:19:46] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:19:46] [INFO ] [Nat]Absence check using state equation in 79 ms returned sat
[2025-06-01 07:19:46] [INFO ] [Nat]Added 35 Read/Feed constraints in 11 ms returned sat
[2025-06-01 07:19:46] [INFO ] Computed and/alt/rep : 38/99/35 causal constraints (skipped 135 transitions) in 18 ms.
[2025-06-01 07:19:46] [INFO ] Added : 2 causal constraints over 1 iterations in 55 ms. Result :sat
Minimization took 35 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 07:19:46] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2025-06-01 07:19:46] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:19:46] [INFO ] [Real]Absence check using state equation in 93 ms returned sat
[2025-06-01 07:19:46] [INFO ] [Real]Added 35 Read/Feed constraints in 13 ms returned sat
[2025-06-01 07:19:46] [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 07:19:47] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-06-01 07:19:47] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:19:47] [INFO ] [Nat]Absence check using state equation in 80 ms returned sat
[2025-06-01 07:19:47] [INFO ] [Nat]Added 35 Read/Feed constraints in 10 ms returned sat
[2025-06-01 07:19:47] [INFO ] Computed and/alt/rep : 38/99/35 causal constraints (skipped 135 transitions) in 19 ms.
[2025-06-01 07:19:47] [INFO ] Added : 2 causal constraints over 1 iterations in 59 ms. Result :sat
Minimization took 34 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 07:19:47] [INFO ] [Real]Absence check using 1 positive place invariants in 3 ms returned sat
[2025-06-01 07:19:47] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:19:47] [INFO ] [Real]Absence check using state equation in 100 ms returned sat
[2025-06-01 07:19:47] [INFO ] [Real]Added 35 Read/Feed constraints in 18 ms returned sat
[2025-06-01 07:19:47] [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 07:19:47] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-06-01 07:19:47] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:19:47] [INFO ] [Nat]Absence check using state equation in 81 ms returned sat
[2025-06-01 07:19:47] [INFO ] [Nat]Added 35 Read/Feed constraints in 10 ms returned sat
[2025-06-01 07:19:47] [INFO ] Computed and/alt/rep : 38/99/35 causal constraints (skipped 135 transitions) in 19 ms.
[2025-06-01 07:19:47] [INFO ] Added : 2 causal constraints over 1 iterations in 56 ms. Result :sat
Minimization took 34 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 07:19:47] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-06-01 07:19:47] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:19:47] [INFO ] [Real]Absence check using state equation in 82 ms returned sat
[2025-06-01 07:19:47] [INFO ] [Real]Added 35 Read/Feed constraints in 8 ms returned sat
[2025-06-01 07:19:47] [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 07:19:47] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-06-01 07:19:47] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:19:47] [INFO ] [Nat]Absence check using state equation in 79 ms returned sat
[2025-06-01 07:19:47] [INFO ] [Nat]Added 35 Read/Feed constraints in 8 ms returned sat
[2025-06-01 07:19:47] [INFO ] Computed and/alt/rep : 38/99/35 causal constraints (skipped 135 transitions) in 16 ms.
[2025-06-01 07:19:48] [INFO ] Added : 1 causal constraints over 1 iterations in 51 ms. Result :sat
Minimization took 33 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 07:19:48] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-06-01 07:19:48] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:19:48] [INFO ] [Real]Absence check using state equation in 84 ms returned sat
[2025-06-01 07:19:48] [INFO ] [Real]Added 35 Read/Feed constraints in 11 ms returned sat
[2025-06-01 07:19:48] [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 07:19:48] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-06-01 07:19:48] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:19:48] [INFO ] [Nat]Absence check using state equation in 70 ms returned sat
[2025-06-01 07:19:48] [INFO ] [Nat]Added 35 Read/Feed constraints in 8 ms returned sat
[2025-06-01 07:19:48] [INFO ] Computed and/alt/rep : 38/99/35 causal constraints (skipped 135 transitions) in 18 ms.
[2025-06-01 07:19:48] [INFO ] Added : 9 causal constraints over 3 iterations in 79 ms. Result :sat
Minimization took 35 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[228, 11, 568, 9, 11, 11, 467, 667] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[228, 11, 568, 9, 11, 11, 467, 667] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 8 out of 107 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 107/107 places, 260/260 transitions.
Applied a total of 0 rules in 17 ms. Remains 107 /107 variables (removed 0) and now considering 260/260 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18 ms. Remains : 107/107 places, 260/260 transitions.
[2025-06-01 07:19:48] [INFO ] Flow matrix only has 172 transitions (discarded 88 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {25=1, 35=1, 83=1, 97=1, 119=1, 156=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {31=1, 79=1, 115=1, 157=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 74 ms. (steps per millisecond=135 ) properties (out of 8) seen :[3, 0, 3, 2, 0, 0, 2, 4]
Current structural bounds on expressions (after cover walk) : Max Seen:[228, 11, 568, 9, 11, 11, 467, 667] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 07:19:48] [INFO ] Flow matrix only has 172 transitions (discarded 88 similar events)
[2025-06-01 07:19:48] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[228, 11, 568, 9, 11, 11, 467, 667] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1768 ms. (565 steps per ms)
BEST_FIRST walk for 8000008 steps (28 resets) in 6713 ms. (1191 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[228, 11, 568, 9, 11, 11, 467, 667] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 07:19:57] [INFO ] Flow matrix only has 172 transitions (discarded 88 similar events)
[2025-06-01 07:19:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 07:19:57] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-06-01 07:19:57] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:19:57] [INFO ] [Real]Absence check using state equation in 82 ms returned sat
[2025-06-01 07:19:57] [INFO ] State equation strengthened by 35 read => feed constraints.
[2025-06-01 07:19:57] [INFO ] [Real]Added 35 Read/Feed constraints in 11 ms returned sat
[2025-06-01 07:19:57] [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 07:19:57] [INFO ] [Nat]Absence check using 1 positive place invariants in 3 ms returned sat
[2025-06-01 07:19:57] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:19:57] [INFO ] [Nat]Absence check using state equation in 95 ms returned sat
[2025-06-01 07:19:57] [INFO ] [Nat]Added 35 Read/Feed constraints in 14 ms returned sat
[2025-06-01 07:19:57] [INFO ] Computed and/alt/rep : 38/99/35 causal constraints (skipped 135 transitions) in 19 ms.
[2025-06-01 07:19:57] [INFO ] Added : 14 causal constraints over 4 iterations in 130 ms. Result :sat
Minimization took 68 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 07:19:57] [INFO ] [Real]Absence check using 1 positive place invariants in 3 ms returned sat
[2025-06-01 07:19:57] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:19:57] [INFO ] [Real]Absence check using state equation in 81 ms returned sat
[2025-06-01 07:19:57] [INFO ] [Real]Added 35 Read/Feed constraints in 12 ms returned sat
[2025-06-01 07:19:57] [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 07:19:58] [INFO ] [Nat]Absence check using 1 positive place invariants in 3 ms returned sat
[2025-06-01 07:19:58] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:19:58] [INFO ] [Nat]Absence check using state equation in 82 ms returned sat
[2025-06-01 07:19:58] [INFO ] [Nat]Added 35 Read/Feed constraints in 12 ms returned sat
[2025-06-01 07:19:58] [INFO ] Computed and/alt/rep : 38/99/35 causal constraints (skipped 135 transitions) in 11 ms.
[2025-06-01 07:19:58] [INFO ] Added : 2 causal constraints over 1 iterations in 49 ms. Result :sat
Minimization took 35 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 07:19:58] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-06-01 07:19:58] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:19:58] [INFO ] [Real]Absence check using state equation in 78 ms returned sat
[2025-06-01 07:19:58] [INFO ] [Real]Added 35 Read/Feed constraints in 9 ms returned sat
[2025-06-01 07:19:58] [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 07:19:58] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-06-01 07:19:58] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:19:58] [INFO ] [Nat]Absence check using state equation in 75 ms returned sat
[2025-06-01 07:19:58] [INFO ] [Nat]Added 35 Read/Feed constraints in 9 ms returned sat
[2025-06-01 07:19:58] [INFO ] Computed and/alt/rep : 38/99/35 causal constraints (skipped 135 transitions) in 18 ms.
[2025-06-01 07:19:58] [INFO ] Added : 12 causal constraints over 5 iterations in 116 ms. Result :sat
Minimization took 41 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 07:19:58] [INFO ] [Real]Absence check using 1 positive place invariants in 3 ms returned sat
[2025-06-01 07:19:58] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:19:58] [INFO ] [Real]Absence check using state equation in 92 ms returned sat
[2025-06-01 07:19:58] [INFO ] [Real]Added 35 Read/Feed constraints in 14 ms returned sat
[2025-06-01 07:19:58] [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 07:19:58] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-06-01 07:19:58] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:19:59] [INFO ] [Nat]Absence check using state equation in 75 ms returned sat
[2025-06-01 07:19:59] [INFO ] [Nat]Added 35 Read/Feed constraints in 10 ms returned sat
[2025-06-01 07:19:59] [INFO ] Computed and/alt/rep : 38/99/35 causal constraints (skipped 135 transitions) in 19 ms.
[2025-06-01 07:19:59] [INFO ] Added : 2 causal constraints over 1 iterations in 56 ms. Result :sat
Minimization took 34 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 07:19:59] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-06-01 07:19:59] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:19:59] [INFO ] [Real]Absence check using state equation in 76 ms returned sat
[2025-06-01 07:19:59] [INFO ] [Real]Added 35 Read/Feed constraints in 10 ms returned sat
[2025-06-01 07:19:59] [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 07:19:59] [INFO ] [Nat]Absence check using 1 positive place invariants in 3 ms returned sat
[2025-06-01 07:19:59] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:19:59] [INFO ] [Nat]Absence check using state equation in 93 ms returned sat
[2025-06-01 07:19:59] [INFO ] [Nat]Added 35 Read/Feed constraints in 12 ms returned sat
[2025-06-01 07:19:59] [INFO ] Computed and/alt/rep : 38/99/35 causal constraints (skipped 135 transitions) in 20 ms.
[2025-06-01 07:19:59] [INFO ] Added : 2 causal constraints over 1 iterations in 66 ms. Result :sat
Minimization took 55 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 07:19:59] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2025-06-01 07:19:59] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:19:59] [INFO ] [Real]Absence check using state equation in 93 ms returned sat
[2025-06-01 07:19:59] [INFO ] [Real]Added 35 Read/Feed constraints in 19 ms returned sat
[2025-06-01 07:19:59] [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 07:19:59] [INFO ] [Nat]Absence check using 1 positive place invariants in 3 ms returned sat
[2025-06-01 07:19:59] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:19:59] [INFO ] [Nat]Absence check using state equation in 93 ms returned sat
[2025-06-01 07:19:59] [INFO ] [Nat]Added 35 Read/Feed constraints in 12 ms returned sat
[2025-06-01 07:19:59] [INFO ] Computed and/alt/rep : 38/99/35 causal constraints (skipped 135 transitions) in 21 ms.
[2025-06-01 07:20:00] [INFO ] Added : 2 causal constraints over 1 iterations in 66 ms. Result :sat
Minimization took 56 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 07:20:00] [INFO ] [Real]Absence check using 1 positive place invariants in 3 ms returned sat
[2025-06-01 07:20:00] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-01 07:20:00] [INFO ] [Real]Absence check using state equation in 81 ms returned sat
[2025-06-01 07:20:00] [INFO ] [Real]Added 35 Read/Feed constraints in 8 ms returned sat
[2025-06-01 07:20:00] [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 07:20:00] [INFO ] [Nat]Absence check using 1 positive place invariants in 3 ms returned sat
[2025-06-01 07:20:00] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:20:00] [INFO ] [Nat]Absence check using state equation in 92 ms returned sat
[2025-06-01 07:20:00] [INFO ] [Nat]Added 35 Read/Feed constraints in 9 ms returned sat
[2025-06-01 07:20:00] [INFO ] Computed and/alt/rep : 38/99/35 causal constraints (skipped 135 transitions) in 19 ms.
[2025-06-01 07:20:00] [INFO ] Added : 1 causal constraints over 1 iterations in 63 ms. Result :sat
Minimization took 54 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 07:20:00] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-06-01 07:20:00] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-01 07:20:00] [INFO ] [Real]Absence check using state equation in 75 ms returned sat
[2025-06-01 07:20:00] [INFO ] [Real]Added 35 Read/Feed constraints in 9 ms returned sat
[2025-06-01 07:20:00] [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 07:20:00] [INFO ] [Nat]Absence check using 1 positive place invariants in 3 ms returned sat
[2025-06-01 07:20:00] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:20:00] [INFO ] [Nat]Absence check using state equation in 93 ms returned sat
[2025-06-01 07:20:00] [INFO ] [Nat]Added 35 Read/Feed constraints in 10 ms returned sat
[2025-06-01 07:20:00] [INFO ] Computed and/alt/rep : 38/99/35 causal constraints (skipped 135 transitions) in 20 ms.
[2025-06-01 07:20:00] [INFO ] Added : 9 causal constraints over 3 iterations in 103 ms. Result :sat
Minimization took 56 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[228, 11, 568, 9, 11, 11, 467, 667] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[228, 11, 568, 9, 11, 11, 467, 667] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 8 out of 107 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 107/107 places, 260/260 transitions.
Applied a total of 0 rules in 21 ms. Remains 107 /107 variables (removed 0) and now considering 260/260 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 21 ms. Remains : 107/107 places, 260/260 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 107/107 places, 260/260 transitions.
Applied a total of 0 rules in 25 ms. Remains 107 /107 variables (removed 0) and now considering 260/260 (removed 0) transitions.
[2025-06-01 07:20:01] [INFO ] Flow matrix only has 172 transitions (discarded 88 similar events)
[2025-06-01 07:20:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:20:01] [INFO ] Implicit Places using invariants in 175 ms returned []
[2025-06-01 07:20:01] [INFO ] Flow matrix only has 172 transitions (discarded 88 similar events)
[2025-06-01 07:20:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:20:01] [INFO ] State equation strengthened by 35 read => feed constraints.
[2025-06-01 07:20:01] [INFO ] Implicit Places using invariants and state equation in 569 ms returned []
Implicit Place search using SMT with State Equation took 747 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 07:20:01] [INFO ] Redundant transitions in 15 ms returned []
Running 258 sub problems to find dead transitions.
[2025-06-01 07:20:01] [INFO ] Flow matrix only has 172 transitions (discarded 88 similar events)
[2025-06-01 07:20:01] [INFO ] Invariant cache hit.
[2025-06-01 07:20:01] [INFO ] State equation strengthened by 35 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/107 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 258 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/107 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 258 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 258 unsolved
At refinement iteration 3 (OVERLAPS) 172/279 variables, 107/109 constraints. Problems are: Problem set: 0 solved, 258 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/279 variables, 35/144 constraints. Problems are: Problem set: 0 solved, 258 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/279 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 258 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/279 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 258 unsolved
No progress, stopping.
After SMT solving in domain Real declared 279/279 variables, and 144 constraints, problems are : Problem set: 0 solved, 258 unsolved in 11683 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 107/107 constraints, ReadFeed: 35/35 constraints, PredecessorRefiner: 258/258 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 258 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/107 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 258 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/107 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 258 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 258 unsolved
At refinement iteration 3 (OVERLAPS) 172/279 variables, 107/109 constraints. Problems are: Problem set: 0 solved, 258 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/279 variables, 35/144 constraints. Problems are: Problem set: 0 solved, 258 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/279 variables, 258/402 constraints. Problems are: Problem set: 0 solved, 258 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:20:23] [INFO ] Deduced a trap along path composed of 3 places in 26 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:20:23] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/279 variables, 2/404 constraints. Problems are: Problem set: 0 solved, 258 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/279 variables, 0/404 constraints. Problems are: Problem set: 0 solved, 258 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 279/279 variables, and 404 constraints, problems are : Problem set: 0 solved, 258 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 107/107 constraints, ReadFeed: 35/35 constraints, PredecessorRefiner: 258/258 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 41831ms problems are : Problem set: 0 solved, 258 unsolved
Search for dead transitions found 0 dead transitions in 41835ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 42633 ms. Remains : 107/107 places, 260/260 transitions.
[2025-06-01 07:20:43] [INFO ] Flow matrix only has 172 transitions (discarded 88 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {25=1, 35=1, 83=1, 97=1, 119=1, 156=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {31=1, 79=1, 115=1, 157=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 4 resets, run finished after 69 ms. (steps per millisecond=144 ) properties (out of 8) seen :[2, 3, 5, 2, 4, 2, 3, 3]
Current structural bounds on expressions (after cover walk) : Max Seen:[228, 11, 568, 9, 11, 11, 467, 667] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 40000 steps (8 resets) in 1747 ms. (22 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (9 resets) in 241 ms. (165 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 210 ms. (189 steps per ms) remains 8/8 properties
[2025-06-01 07:20:44] [INFO ] Flatten gal took : 190 ms
BEST_FIRST walk for 40004 steps (12 resets) in 269 ms. (148 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (9 resets) in 189 ms. (210 steps per ms) remains 8/8 properties
[2025-06-01 07:20:44] [INFO ] Flatten gal took : 143 ms
BEST_FIRST walk for 40004 steps (8 resets) in 188 ms. (211 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 173 ms. (229 steps per ms) remains 8/8 properties
[2025-06-01 07:20:45] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1416175442542816691.gal : 71 ms
BEST_FIRST walk for 40003 steps (9 resets) in 174 ms. (228 steps per ms) remains 8/8 properties
[2025-06-01 07:20:45] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16423720139236481508.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/ReachabilityCardinality1416175442542816691.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16423720139236481508.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
BEST_FIRST walk for 40004 steps (11 resets) in 160 ms. (248 steps per ms) remains 8/8 properties
Loading property file /tmp/ReachabilityCardinality16423720139236481508.prop.
SDD proceeding with computation,8 properties remain. new max is 4
SDD size :1 after 31
SDD proceeding with computation,8 properties remain. new max is 8
SDD size :31 after 1062
SDD proceeding with computation,8 properties remain. new max is 16
SDD size :1062 after 183440
Interrupted probabilistic random walk after 218943 steps, run timeout after 3001 ms. (steps per millisecond=72 ) properties seen :0 out of 8
Probabilistic random walk after 218943 steps, saw 137196 distinct states, run finished after 3012 ms. (steps per millisecond=72 ) properties seen :0
[2025-06-01 07:20:48] [INFO ] Flow matrix only has 172 transitions (discarded 88 similar events)
[2025-06-01 07:20:48] [INFO ] Invariant cache hit.
[2025-06-01 07:20:48] [INFO ] State equation strengthened by 35 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 21/29 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/29 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (OVERLAPS) 112/141 variables, 19/27 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/141 variables, 4/31 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/141 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (OVERLAPS) 9/150 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/150 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/150 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 9 (OVERLAPS) 109/259 variables, 66/99 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/259 variables, 31/130 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/259 variables, 0/130 constraints. Problems are: Problem set: 0 solved, 8 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 6/265 variables, 1/131 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/265 variables, 0/131 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 14 (OVERLAPS) 11/276 variables, 11/142 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/276 variables, 0/142 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 16 (OVERLAPS) 3/279 variables, 2/144 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/279 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 18 (OVERLAPS) 0/279 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Real declared 279/279 variables, and 144 constraints, problems are : Problem set: 0 solved, 8 unsolved in 613 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 107/107 constraints, ReadFeed: 35/35 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 21/29 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/29 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (OVERLAPS) 112/141 variables, 19/27 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/141 variables, 4/31 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/141 variables, 7/38 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/141 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (OVERLAPS) 9/150 variables, 1/39 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/150 variables, 1/40 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/150 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 10 (OVERLAPS) 109/259 variables, 66/106 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/259 variables, 31/137 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/259 variables, 1/138 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:20:49] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/259 variables, 1/139 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/259 variables, 0/139 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 15 (OVERLAPS) 6/265 variables, 1/140 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/265 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 17 (OVERLAPS) 11/276 variables, 11/151 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:20:49] [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 07:20:49] [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 07:20:49] [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) 0/276 variables, 3/154 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/276 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 20 (OVERLAPS) 3/279 variables, 2/156 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/279 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 22 (OVERLAPS) 0/279 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Int declared 279/279 variables, and 156 constraints, problems are : Problem set: 0 solved, 8 unsolved in 1243 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 107/107 constraints, ReadFeed: 35/35 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 4/4 constraints]
After SMT, in 1868ms problems are : Problem set: 0 solved, 8 unsolved
Fused 8 Parikh solutions to 3 different solutions.
SDD proceeding with computation,8 properties remain. new max is 32
SDD size :183440 after 3.45776e+08
Parikh walk visited 1 properties in 30001 ms.
Support contains 7 out of 107 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 107/107 places, 260/260 transitions.
Graph (complete) has 444 edges and 107 vertex of which 104 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 6 place count 104 transition count 255
Applied a total of 6 rules in 11 ms. Remains 104 /107 variables (removed 3) and now considering 255/260 (removed 5) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 104/107 places, 255/260 transitions.
RANDOM walk for 40000 steps (8 resets) in 201 ms. (198 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (8 resets) in 115 ms. (344 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (11 resets) in 99 ms. (400 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (11 resets) in 95 ms. (416 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40002 steps (8 resets) in 89 ms. (444 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 100 ms. (396 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 99 ms. (400 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (9 resets) in 111 ms. (357 steps per ms) remains 7/7 properties
Interrupted probabilistic random walk after 217149 steps, run timeout after 3001 ms. (steps per millisecond=72 ) properties seen :0 out of 7
Probabilistic random walk after 217149 steps, saw 136066 distinct states, run finished after 3001 ms. (steps per millisecond=72 ) properties seen :0
[2025-06-01 07:21:23] [INFO ] Flow matrix only has 167 transitions (discarded 88 similar events)
// Phase 1: matrix 167 rows 104 cols
[2025-06-01 07:21:23] [INFO ] Computed 2 invariants in 2 ms
[2025-06-01 07:21:23] [INFO ] State equation strengthened by 32 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 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) 17/24 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (OVERLAPS) 107/131 variables, 15/22 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/131 variables, 3/25 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/131 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (OVERLAPS) 9/140 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/140 variables, 1/27 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/140 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 7 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 111/251 variables, 68/95 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/251 variables, 29/124 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/251 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 12 (OVERLAPS) 6/257 variables, 1/125 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/257 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 14 (OVERLAPS) 11/268 variables, 11/136 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/268 variables, 0/136 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 16 (OVERLAPS) 3/271 variables, 2/138 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/271 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 18 (OVERLAPS) 0/271 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Real declared 271/271 variables, and 138 constraints, problems are : Problem set: 0 solved, 7 unsolved in 490 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 104/104 constraints, ReadFeed: 32/32 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 45.0 s and query timeout 4500.0 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) 17/24 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (OVERLAPS) 107/131 variables, 15/22 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/131 variables, 3/25 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/131 variables, 7/32 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/131 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (OVERLAPS) 9/140 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/140 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/140 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 10 (OVERLAPS) 111/251 variables, 68/102 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/251 variables, 29/131 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 07:21:24] [INFO ] Deduced a trap along path composed of 3 places in 21 ms of which 1 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/251 variables, 1/132 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/251 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 14 (OVERLAPS) 6/257 variables, 1/133 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/257 variables, 0/133 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 16 (OVERLAPS) 11/268 variables, 11/144 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 07:21:24] [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 07:21:24] [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 07:21:24] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 0 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/268 variables, 3/147 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/268 variables, 0/147 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 19 (OVERLAPS) 3/271 variables, 2/149 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/271 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 21 (OVERLAPS) 0/271 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Int declared 271/271 variables, and 149 constraints, problems are : Problem set: 0 solved, 7 unsolved in 999 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 104/104 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 4/4 constraints]
After SMT, in 1500ms problems are : Problem set: 0 solved, 7 unsolved
Fused 7 Parikh solutions to 5 different solutions.
Detected timeout of ITS tools.
[2025-06-01 07:21:35] [INFO ] Flatten gal took : 80 ms
[2025-06-01 07:21:35] [INFO ] Applying decomposition
[2025-06-01 07:21:35] [INFO ] Flatten gal took : 52 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/graph16671629361098316918.txt' '-o' '/tmp/graph16671629361098316918.bin' '-w' '/tmp/graph16671629361098316918.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph16671629361098316918.bin' '-l' '-1' '-v' '-w' '/tmp/graph16671629361098316918.weights' '-q' '0' '-e' '0.001'
[2025-06-01 07:21:35] [INFO ] Decomposing Gal with order
[2025-06-01 07:21:35] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 07:21:35] [INFO ] Removed a total of 438 redundant transitions.
[2025-06-01 07:21:35] [INFO ] Flatten gal took : 109 ms
[2025-06-01 07:21:35] [INFO ] Fuse similar labels procedure discarded/fused a total of 129 labels/synchronizations in 30 ms.
[2025-06-01 07:21:35] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15486401170490389832.gal : 15 ms
[2025-06-01 07:21:35] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1321824915465604348.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/ReachabilityCardinality15486401170490389832.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1321824915465604348.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/ReachabilityCardinality1321824915465604348.prop.
Parikh walk visited 0 properties in 30001 ms.
Support contains 7 out of 104 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 104/104 places, 255/255 transitions.
Applied a total of 0 rules in 11 ms. Remains 104 /104 variables (removed 0) and now considering 255/255 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 104/104 places, 255/255 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 104/104 places, 255/255 transitions.
Applied a total of 0 rules in 5 ms. Remains 104 /104 variables (removed 0) and now considering 255/255 (removed 0) transitions.
[2025-06-01 07:21:54] [INFO ] Flow matrix only has 167 transitions (discarded 88 similar events)
[2025-06-01 07:21:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:21:55] [INFO ] Implicit Places using invariants in 143 ms returned []
[2025-06-01 07:21:55] [INFO ] Flow matrix only has 167 transitions (discarded 88 similar events)
[2025-06-01 07:21:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:21:55] [INFO ] State equation strengthened by 32 read => feed constraints.
[2025-06-01 07:21:55] [INFO ] Implicit Places using invariants and state equation in 329 ms returned []
Implicit Place search using SMT with State Equation took 474 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 07:21:55] [INFO ] Redundant transitions in 4 ms returned []
Running 253 sub problems to find dead transitions.
[2025-06-01 07:21:55] [INFO ] Flow matrix only has 167 transitions (discarded 88 similar events)
[2025-06-01 07:21:55] [INFO ] Invariant cache hit.
[2025-06-01 07:21:55] [INFO ] State equation strengthened by 32 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/104 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/104 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/104 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 3 (OVERLAPS) 167/271 variables, 104/106 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/271 variables, 32/138 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/271 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 253 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/271 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 253 unsolved
No progress, stopping.
After SMT solving in domain Real declared 271/271 variables, and 138 constraints, problems are : Problem set: 0 solved, 253 unsolved in 8849 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 104/104 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 253/253 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 253 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/104 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/104 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/104 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 3 (OVERLAPS) 167/271 variables, 104/106 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/271 variables, 32/138 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/271 variables, 253/391 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:22:11] [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 07:22:11] [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 07:22:12] [INFO ] Deduced a trap along path composed of 3 places in 19 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/271 variables, 3/394 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/271 variables, 0/394 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Detected timeout of ITS tools.
At refinement iteration 8 (OVERLAPS) 0/271 variables, 0/394 constraints. Problems are: Problem set: 0 solved, 253 unsolved
No progress, stopping.
After SMT solving in domain Int declared 271/271 variables, and 394 constraints, problems are : Problem set: 0 solved, 253 unsolved in 30011 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 104/104 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 253/253 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 38987ms problems are : Problem set: 0 solved, 253 unsolved
Search for dead transitions found 0 dead transitions in 38988ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 39480 ms. Remains : 104/104 places, 255/255 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[228, 11, 568, 9, 11, 11, 467, 667] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Starting property specific reduction for FunctionPointer-PT-b008-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 07:22:34] [INFO ] Flow matrix only has 172 transitions (discarded 88 similar events)
// Phase 1: matrix 172 rows 107 cols
[2025-06-01 07:22:34] [INFO ] Computed 2 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 27 ms. (357 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 13 ms. (714 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[7] Max Struct:[+inf]
[2025-06-01 07:22:34] [INFO ] Flow matrix only has 172 transitions (discarded 88 similar events)
[2025-06-01 07:22:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 07:22:34] [INFO ] [Real]Absence check using 1 positive place invariants in 3 ms returned sat
[2025-06-01 07:22:34] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:22:34] [INFO ] [Real]Absence check using state equation in 93 ms returned sat
[2025-06-01 07:22:34] [INFO ] State equation strengthened by 35 read => feed constraints.
[2025-06-01 07:22:34] [INFO ] [Real]Added 35 Read/Feed constraints in 13 ms returned sat
[2025-06-01 07:22:34] [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 07:22:34] [INFO ] [Nat]Absence check using 1 positive place invariants in 3 ms returned sat
[2025-06-01 07:22:34] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:22:34] [INFO ] [Nat]Absence check using state equation in 91 ms returned sat
[2025-06-01 07:22:34] [INFO ] [Nat]Added 35 Read/Feed constraints in 13 ms returned sat
[2025-06-01 07:22:34] [INFO ] Computed and/alt/rep : 38/99/35 causal constraints (skipped 135 transitions) in 21 ms.
[2025-06-01 07:22:34] [INFO ] Added : 9 causal constraints over 3 iterations in 112 ms. Result :sat
Minimization took 56 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[7] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[7] Max Struct:[+inf]
Support contains 1 out of 107 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 107/107 places, 260/260 transitions.
Graph (complete) has 444 edges and 107 vertex of which 98 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.1 ms
Discarding 9 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 0 with 16 rules applied. Total rules applied 17 place count 98 transition count 244
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 20 place count 95 transition count 238
Iterating global reduction 1 with 3 rules applied. Total rules applied 23 place count 95 transition count 238
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 25 place count 95 transition count 236
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 28 place count 92 transition count 228
Iterating global reduction 2 with 3 rules applied. Total rules applied 31 place count 92 transition count 228
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 33 place count 90 transition count 224
Iterating global reduction 2 with 2 rules applied. Total rules applied 35 place count 90 transition count 224
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 37 place count 88 transition count 220
Iterating global reduction 2 with 2 rules applied. Total rules applied 39 place count 88 transition count 220
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 41 place count 86 transition count 216
Iterating global reduction 2 with 2 rules applied. Total rules applied 43 place count 86 transition count 216
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 45 place count 84 transition count 212
Iterating global reduction 2 with 2 rules applied. Total rules applied 47 place count 84 transition count 212
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 48 place count 83 transition count 210
Iterating global reduction 2 with 1 rules applied. Total rules applied 49 place count 83 transition count 210
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 50 place count 82 transition count 208
Iterating global reduction 2 with 1 rules applied. Total rules applied 51 place count 82 transition count 208
Applied a total of 51 rules in 41 ms. Remains 82 /107 variables (removed 25) and now considering 208/260 (removed 52) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 42 ms. Remains : 82/107 places, 208/260 transitions.
[2025-06-01 07:22:34] [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 60 ms. (steps per millisecond=166 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[7] Max Struct:[+inf]
[2025-06-01 07:22:35] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
// Phase 1: matrix 128 rows 82 cols
[2025-06-01 07:22:35] [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 1840 ms. (543 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 647 ms. (1543 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[196] Max Struct:[+inf]
[2025-06-01 07:22:37] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 07:22:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 07:22:37] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 07:22:37] [INFO ] [Real]Absence check using state equation in 48 ms returned sat
[2025-06-01 07:22:37] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 07:22:37] [INFO ] [Real]Added 18 Read/Feed constraints in 5 ms returned sat
[2025-06-01 07:22:37] [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 07:22:37] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 07:22:37] [INFO ] [Nat]Absence check using state equation in 41 ms returned sat
[2025-06-01 07:22:37] [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 07:22:37] [INFO ] Deduced a trap composed of 14 places in 76 ms of which 7 ms to minimize.
[2025-06-01 07:22:37] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 89 ms
[2025-06-01 07:22:37] [INFO ] Computed and/alt/rep : 60/196/54 causal constraints (skipped 72 transitions) in 11 ms.
[2025-06-01 07:22:37] [INFO ] Added : 14 causal constraints over 4 iterations in 69 ms. Result :sat
Minimization took 36 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[196] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[196] 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 4 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.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 4 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
[2025-06-01 07:22:38] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 07:22:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:22:39] [INFO ] Implicit Places using invariants in 143 ms returned []
[2025-06-01 07:22:39] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 07:22:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:22:39] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 07:22:39] [INFO ] Implicit Places using invariants and state equation in 405 ms returned []
Implicit Place search using SMT with State Equation took 550 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 07:22:39] [INFO ] Redundant transitions in 2 ms returned []
Running 206 sub problems to find dead transitions.
[2025-06-01 07:22:39] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 07:22:39] [INFO ] Invariant cache hit.
[2025-06-01 07:22:39] [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
All remaining problems are real, not stopping.
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 7624 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 07:22:52] [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 07:22:52] [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 07:22:54] [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) 0/210 variables, 3/312 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/210 variables, 0/312 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 7 (OVERLAPS) 0/210 variables, 0/312 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Int declared 210/210 variables, and 312 constraints, problems are : Problem set: 0 solved, 206 unsolved in 30007 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: 3/3 constraints]
After SMT, in 37721ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 37722ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 38289 ms. Remains : 82/82 places, 208/208 transitions.
[2025-06-01 07:23:17] [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 63 ms. (steps per millisecond=158 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[196] Max Struct:[+inf]
[2025-06-01 07:23:17] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 07:23:17] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[196] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1654 ms. (604 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 805 ms. (1240 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[203] Max Struct:[+inf]
[2025-06-01 07:23:19] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 07:23:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 07:23:19] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 07:23:19] [INFO ] [Real]Absence check using state equation in 73 ms returned sat
[2025-06-01 07:23:19] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 07:23:19] [INFO ] [Real]Added 18 Read/Feed constraints in 8 ms returned sat
[2025-06-01 07:23:19] [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 07:23:20] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 07:23:20] [INFO ] [Nat]Absence check using state equation in 75 ms returned sat
[2025-06-01 07:23:20] [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 07:23:20] [INFO ] Deduced a trap composed of 14 places in 103 ms of which 11 ms to minimize.
[2025-06-01 07:23:20] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 121 ms
[2025-06-01 07:23:20] [INFO ] Computed and/alt/rep : 60/196/54 causal constraints (skipped 72 transitions) in 16 ms.
[2025-06-01 07:23:20] [INFO ] Added : 14 causal constraints over 4 iterations in 119 ms. Result :sat
Minimization took 53 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[203] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[217] 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 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 10 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
[2025-06-01 07:23:21] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 07:23:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:23:21] [INFO ] Implicit Places using invariants in 126 ms returned []
[2025-06-01 07:23:21] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 07:23:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:23:21] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 07:23:21] [INFO ] Implicit Places using invariants and state equation in 283 ms returned []
Implicit Place search using SMT with State Equation took 411 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 07:23:21] [INFO ] Redundant transitions in 1 ms returned []
Running 206 sub problems to find dead transitions.
[2025-06-01 07:23:21] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 07:23:21] [INFO ] Invariant cache hit.
[2025-06-01 07:23:21] [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
All remaining problems are real, not stopping.
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 7082 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 07:23:35] [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 07:23:35] [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 07:23:37] [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) 0/210 variables, 3/312 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/210 variables, 0/312 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 7 (OVERLAPS) 0/210 variables, 0/312 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Int declared 210/210 variables, and 312 constraints, problems are : Problem set: 0 solved, 206 unsolved in 30012 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: 3/3 constraints]
After SMT, in 37172ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 37173ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37602 ms. Remains : 82/82 places, 208/208 transitions.
[2025-06-01 07:23:59] [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 33 ms. (steps per millisecond=303 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[217] Max Struct:[+inf]
[2025-06-01 07:23:59] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 07:23:59] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[217] Max Struct:[+inf]
RANDOM walk for 1000006 steps (2 resets) in 1811 ms. (551 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:[240] Max Struct:[+inf]
[2025-06-01 07:24:01] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 07:24:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 07:24:01] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 07:24:01] [INFO ] [Real]Absence check using state equation in 47 ms returned sat
[2025-06-01 07:24:01] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 07:24:01] [INFO ] [Real]Added 18 Read/Feed constraints in 5 ms returned sat
[2025-06-01 07:24:01] [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 07:24:01] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 07:24:01] [INFO ] [Nat]Absence check using state equation in 47 ms returned sat
[2025-06-01 07:24:01] [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 07:24:01] [INFO ] Deduced a trap composed of 14 places in 76 ms of which 8 ms to minimize.
[2025-06-01 07:24:01] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 88 ms
[2025-06-01 07:24:01] [INFO ] Computed and/alt/rep : 60/196/54 causal constraints (skipped 72 transitions) in 10 ms.
[2025-06-01 07:24:02] [INFO ] Added : 14 causal constraints over 4 iterations in 90 ms. Result :sat
Minimization took 50 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[240] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[357] 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 4 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.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 4 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
[2025-06-01 07:24:03] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 07:24:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:24:03] [INFO ] Implicit Places using invariants in 118 ms returned []
[2025-06-01 07:24:03] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 07:24:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:24:03] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 07:24:03] [INFO ] Implicit Places using invariants and state equation in 374 ms returned []
Implicit Place search using SMT with State Equation took 497 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 07:24:03] [INFO ] Redundant transitions in 1 ms returned []
Running 206 sub problems to find dead transitions.
[2025-06-01 07:24:03] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 07:24:03] [INFO ] Invariant cache hit.
[2025-06-01 07:24:03] [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
All remaining problems are real, not stopping.
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 7984 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 07:24:18] [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 07:24:18] [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 07:24:20] [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) 0/210 variables, 3/312 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/210 variables, 0/312 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 7 (OVERLAPS) 0/210 variables, 0/312 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Int declared 210/210 variables, and 312 constraints, problems are : Problem set: 0 solved, 206 unsolved in 30007 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: 3/3 constraints]
After SMT, in 38073ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 38074ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 38587 ms. Remains : 82/82 places, 208/208 transitions.
[2025-06-01 07:24:41] [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 31 ms. (steps per millisecond=322 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[357] Max Struct:[+inf]
[2025-06-01 07:24:41] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 07:24:41] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[357] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1861 ms. (537 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 649 ms. (1538 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[357] Max Struct:[+inf]
[2025-06-01 07:24:44] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 07:24:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 07:24:44] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 07:24:44] [INFO ] [Real]Absence check using state equation in 45 ms returned sat
[2025-06-01 07:24:44] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 07:24:44] [INFO ] [Real]Added 18 Read/Feed constraints in 5 ms returned sat
[2025-06-01 07:24:44] [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 07:24:44] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 07:24:44] [INFO ] [Nat]Absence check using state equation in 45 ms returned sat
[2025-06-01 07:24:44] [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 07:24:44] [INFO ] Deduced a trap composed of 14 places in 79 ms of which 8 ms to minimize.
[2025-06-01 07:24:44] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 94 ms
[2025-06-01 07:24:44] [INFO ] Computed and/alt/rep : 60/196/54 causal constraints (skipped 72 transitions) in 10 ms.
[2025-06-01 07:24:44] [INFO ] Added : 14 causal constraints over 4 iterations in 68 ms. Result :sat
Minimization took 30 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[357] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[357] 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 4 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 4 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
[2025-06-01 07:24:46] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 07:24:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:24:46] [INFO ] Implicit Places using invariants in 112 ms returned []
[2025-06-01 07:24:46] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 07:24:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:24:46] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 07:24:46] [INFO ] Implicit Places using invariants and state equation in 252 ms returned []
Implicit Place search using SMT with State Equation took 375 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 07:24:46] [INFO ] Redundant transitions in 1 ms returned []
Running 206 sub problems to find dead transitions.
[2025-06-01 07:24:46] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 07:24:46] [INFO ] Invariant cache hit.
[2025-06-01 07:24:46] [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
All remaining problems are real, not stopping.
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 7449 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 07:25:01] [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 07:25:01] [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 07:25:03] [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) 0/210 variables, 3/312 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/210 variables, 0/312 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 7 (OVERLAPS) 0/210 variables, 0/312 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Int declared 210/210 variables, and 312 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: 3/3 constraints]
After SMT, in 37509ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 37510ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37897 ms. Remains : 82/82 places, 208/208 transitions.
[2025-06-01 07:25:24] [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 50 ms. (steps per millisecond=200 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[357] Max Struct:[+inf]
[2025-06-01 07:25:24] [INFO ] Flatten gal took : 48 ms
[2025-06-01 07:25:24] [INFO ] Flatten gal took : 30 ms
[2025-06-01 07:25:24] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1971579249101902187.gal : 13 ms
[2025-06-01 07:25:24] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10264833575333051397.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/ReachabilityCardinality1971579249101902187.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10264833575333051397.prop' '--nowitness' '--gen-order' 'FOLLOW'
RANDOM walk for 40005 steps (8 resets) in 279 ms. (142 steps per ms) remains 1/1 properties
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
BEST_FIRST walk for 40003 steps (8 resets) in 81 ms. (487 steps per ms) remains 1/1 properties
Loading property file /tmp/ReachabilityCardinality10264833575333051397.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 1046
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1046 after 151212
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :151212 after 4.71441e+07
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :4.71441e+07 after 2.16778e+08
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :2.16778e+08 after 5.21523e+08
Interrupted probabilistic random walk after 1413702 steps, run timeout after 3001 ms. (steps per millisecond=471 ) properties seen :0 out of 1
Probabilistic random walk after 1413702 steps, saw 879855 distinct states, run finished after 3001 ms. (steps per millisecond=471 ) properties seen :0
[2025-06-01 07:25:27] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 07:25:27] [INFO ] Invariant cache hit.
[2025-06-01 07:25:27] [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
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :5.21523e+08 after 3.13018e+10
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
All remaining problems are real, not stopping.
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
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 131 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
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:25:27] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 1 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/205 variables, 1/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/205 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 4/209 variables, 2/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/209 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 1/210 variables, 1/105 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/210 variables, 0/105 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/210 variables, 0/105 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 210/210 variables, and 105 constraints, problems are : Problem set: 0 solved, 1 unsolved in 211 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: 1/1 constraints]
After SMT, in 347ms problems are : Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :3.13018e+10 after 9.988e+10
Parikh walk visited 0 properties in 994 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 9 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 9 ms. Remains : 82/82 places, 208/208 transitions.
RANDOM walk for 40001 steps (8 resets) in 97 ms. (408 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 35 ms. (1111 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1511454 steps, run timeout after 3001 ms. (steps per millisecond=503 ) properties seen :0 out of 1
Probabilistic random walk after 1511454 steps, saw 940700 distinct states, run finished after 3001 ms. (steps per millisecond=503 ) properties seen :0
[2025-06-01 07:25:32] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 07:25:32] [INFO ] Invariant cache hit.
[2025-06-01 07:25:32] [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
All remaining problems are real, not stopping.
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
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 131 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
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:25:32] [INFO ] Deduced a trap along path composed of 3 places in 19 ms of which 1 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/205 variables, 1/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/205 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 4/209 variables, 2/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/209 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 1/210 variables, 1/105 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/210 variables, 0/105 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/210 variables, 0/105 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 210/210 variables, and 105 constraints, problems are : Problem set: 0 solved, 1 unsolved in 201 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: 1/1 constraints]
After SMT, in 337ms problems are : Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :9.988e+10 after 2.3677e+11
Parikh walk visited 0 properties in 892 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 4 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 4 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
[2025-06-01 07:25:33] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 07:25:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:25:33] [INFO ] Implicit Places using invariants in 117 ms returned []
[2025-06-01 07:25:33] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 07:25:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:25:33] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 07:25:33] [INFO ] Implicit Places using invariants and state equation in 242 ms returned []
Implicit Place search using SMT with State Equation took 361 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 07:25:33] [INFO ] Redundant transitions in 1 ms returned []
Running 206 sub problems to find dead transitions.
[2025-06-01 07:25:33] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 07:25:33] [INFO ] Invariant cache hit.
[2025-06-01 07:25:33] [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
All remaining problems are real, not stopping.
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 6059 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 07:25:44] [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 07:25:45] [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 07:25:46] [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, 3/312 constraints. Problems are: Problem set: 0 solved, 206 unsolved
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :2.3677e+11 after 5.10282e+11
At refinement iteration 6 (INCLUDED_ONLY) 0/210 variables, 0/312 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 7 (OVERLAPS) 0/210 variables, 0/312 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Int declared 210/210 variables, and 312 constraints, problems are : Problem set: 0 solved, 206 unsolved in 24624 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: 3/3 constraints]
After SMT, in 30736ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 30738ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31110 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 28 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 07:26:04] [INFO ] Computed 3 invariants in 8 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 07:26:04] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 07:26:04] [INFO ] After 20ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2025-06-01 07:26:04] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-01 07:26:04] [INFO ] After 5ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-01 07:26:04] [INFO ] After 58ms 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 07:26:04] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 07:26:04] [INFO ] After 16ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-01 07:26:04] [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 07:26:04] [INFO ] After 9ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-01 07:26:04] [INFO ] After 54ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-01 07:26:04] [INFO ] Flatten gal took : 3 ms
[2025-06-01 07:26:04] [INFO ] Flatten gal took : 5 ms
[2025-06-01 07:26:04] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16102939587910177050.gal : 1 ms
[2025-06-01 07:26:04] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5585221608334697848.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/ReachabilityCardinality16102939587910177050.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5585221608334697848.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/ReachabilityCardinality5585221608334697848.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 17
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :17 after 288
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :288 after 14700
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :14700 after 90900
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :90900 after 432180
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :432180 after 1.86018e+06
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :1.86018e+06 after 7.68126e+06
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :7.68126e+06 after 3.1151e+07
Detected timeout of ITS tools.
[2025-06-01 07:26:14] [INFO ] Flatten gal took : 14 ms
[2025-06-01 07:26:14] [INFO ] Applying decomposition
[2025-06-01 07:26:14] [INFO ] Flatten gal took : 13 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/graph10427378256216389139.txt' '-o' '/tmp/graph10427378256216389139.bin' '-w' '/tmp/graph10427378256216389139.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph10427378256216389139.bin' '-l' '-1' '-v' '-w' '/tmp/graph10427378256216389139.weights' '-q' '0' '-e' '0.001'
[2025-06-01 07:26:14] [INFO ] Decomposing Gal with order
[2025-06-01 07:26:14] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 07:26:14] [INFO ] Removed a total of 353 redundant transitions.
[2025-06-01 07:26:14] [INFO ] Flatten gal took : 31 ms
[2025-06-01 07:26:14] [INFO ] Fuse similar labels procedure discarded/fused a total of 119 labels/synchronizations in 11 ms.
[2025-06-01 07:26:14] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12706716909233284333.gal : 4 ms
[2025-06-01 07:26:14] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14774166524478037200.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/ReachabilityCardinality12706716909233284333.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14774166524478037200.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/ReachabilityCardinality14774166524478037200.prop.
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :3.1151e+07 after 1.25338e+08
Detected timeout of ITS tools.
[2025-06-01 07:26:19] [INFO ] Flatten gal took : 3 ms
[2025-06-01 07:26:19] [INFO ] Applying decomposition
[2025-06-01 07:26:19] [INFO ] Flatten gal took : 3 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph499348188380409064.txt' '-o' '/tmp/graph499348188380409064.bin' '-w' '/tmp/graph499348188380409064.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph499348188380409064.bin' '-l' '-1' '-v' '-w' '/tmp/graph499348188380409064.weights' '-q' '0' '-e' '0.001'
[2025-06-01 07:26:19] [INFO ] Decomposing Gal with order
[2025-06-01 07:26:19] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 07:26:19] [INFO ] Removed a total of 47 redundant transitions.
[2025-06-01 07:26:19] [INFO ] Flatten gal took : 6 ms
[2025-06-01 07:26:19] [INFO ] Fuse similar labels procedure discarded/fused a total of 4 labels/synchronizations in 1 ms.
[2025-06-01 07:26:19] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5011318329343137285.gal : 1 ms
[2025-06-01 07:26:19] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12348384356135641065.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/ReachabilityCardinality5011318329343137285.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12348384356135641065.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/ReachabilityCardinality12348384356135641065.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 17
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :17 after 90
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30253 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:[357] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b008-UpperBounds-01 in 240341 ms.
Starting property specific reduction for FunctionPointer-PT-b008-UpperBounds-03
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 07:26:34] [INFO ] Flow matrix only has 172 transitions (discarded 88 similar events)
// Phase 1: matrix 172 rows 107 cols
[2025-06-01 07:26:34] [INFO ] Computed 2 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10004 steps (2 resets) in 18 ms. (526 steps per ms)
BEST_FIRST walk for 10001 steps (3 resets) in 10 ms. (909 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[8] Max Struct:[+inf]
[2025-06-01 07:26:34] [INFO ] Flow matrix only has 172 transitions (discarded 88 similar events)
[2025-06-01 07:26:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 07:26:34] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-06-01 07:26:34] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-01 07:26:34] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2025-06-01 07:26:34] [INFO ] State equation strengthened by 35 read => feed constraints.
[2025-06-01 07:26:34] [INFO ] [Real]Added 35 Read/Feed constraints in 7 ms returned sat
[2025-06-01 07:26:34] [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 07:26:34] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-06-01 07:26:34] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:26:34] [INFO ] [Nat]Absence check using state equation in 58 ms returned sat
[2025-06-01 07:26:34] [INFO ] [Nat]Added 35 Read/Feed constraints in 10 ms returned sat
[2025-06-01 07:26:34] [INFO ] Computed and/alt/rep : 38/99/35 causal constraints (skipped 135 transitions) in 14 ms.
[2025-06-01 07:26:34] [INFO ] Added : 2 causal constraints over 1 iterations in 61 ms. Result :sat
Minimization took 61 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 107 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 107/107 places, 260/260 transitions.
Graph (complete) has 444 edges and 107 vertex of which 101 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.0 ms
Discarding 6 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 0 with 11 rules applied. Total rules applied 12 place count 101 transition count 249
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 16 place count 97 transition count 239
Iterating global reduction 1 with 4 rules applied. Total rules applied 20 place count 97 transition count 239
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 22 place count 97 transition count 237
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 26 place count 93 transition count 227
Iterating global reduction 2 with 4 rules applied. Total rules applied 30 place count 93 transition count 227
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 33 place count 90 transition count 219
Iterating global reduction 2 with 3 rules applied. Total rules applied 36 place count 90 transition count 219
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 39 place count 87 transition count 213
Iterating global reduction 2 with 3 rules applied. Total rules applied 42 place count 87 transition count 213
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 45 place count 84 transition count 207
Iterating global reduction 2 with 3 rules applied. Total rules applied 48 place count 84 transition count 207
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 51 place count 81 transition count 201
Iterating global reduction 2 with 3 rules applied. Total rules applied 54 place count 81 transition count 201
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 56 place count 79 transition count 197
Iterating global reduction 2 with 2 rules applied. Total rules applied 58 place count 79 transition count 197
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 60 place count 77 transition count 193
Iterating global reduction 2 with 2 rules applied. Total rules applied 62 place count 77 transition count 193
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 63 place count 76 transition count 191
Iterating global reduction 2 with 1 rules applied. Total rules applied 64 place count 76 transition count 191
Applied a total of 64 rules in 43 ms. Remains 76 /107 variables (removed 31) and now considering 191/260 (removed 69) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43 ms. Remains : 76/107 places, 191/260 transitions.
[2025-06-01 07:26:35] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {31=1, 56=1, 102=1, 115=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {31=1, 56=1, 86=1, 112=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 50 ms. (steps per millisecond=200 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[8] Max Struct:[+inf]
[2025-06-01 07:26:35] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
// Phase 1: matrix 117 rows 76 cols
[2025-06-01 07:26:35] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[8] Max Struct:[+inf]
RANDOM walk for 1000002 steps (2 resets) in 1727 ms. (578 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 584 ms. (1709 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[8] Max Struct:[+inf]
[2025-06-01 07:26:37] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2025-06-01 07:26:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 07:26:37] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 07:26:37] [INFO ] [Real]Absence check using state equation in 43 ms returned sat
[2025-06-01 07:26:37] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 07:26:37] [INFO ] [Real]Added 18 Read/Feed constraints in 7 ms returned sat
[2025-06-01 07:26:37] [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 07:26:37] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 07:26:37] [INFO ] [Nat]Absence check using state equation in 40 ms returned sat
[2025-06-01 07:26:37] [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 07:26:37] [INFO ] Deduced a trap composed of 13 places in 66 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:26:37] [INFO ] Deduced a trap composed of 13 places in 68 ms of which 6 ms to minimize.
[2025-06-01 07:26:37] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 151 ms
[2025-06-01 07:26:37] [INFO ] Computed and/alt/rep : 61/197/52 causal constraints (skipped 63 transitions) in 7 ms.
[2025-06-01 07:26:37] [INFO ] Added : 14 causal constraints over 5 iterations in 72 ms. Result :sat
Minimization took 45 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[8] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[8] Max Struct:[+inf]
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 5 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 76/76 places, 191/191 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 5 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
[2025-06-01 07:26:38] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2025-06-01 07:26:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:26:38] [INFO ] Implicit Places using invariants in 158 ms returned []
[2025-06-01 07:26:38] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2025-06-01 07:26:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:26:38] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 07:26:38] [INFO ] Implicit Places using invariants and state equation in 422 ms returned []
Implicit Place search using SMT with State Equation took 582 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 07:26:38] [INFO ] Redundant transitions in 1 ms returned []
Running 189 sub problems to find dead transitions.
[2025-06-01 07:26:38] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2025-06-01 07:26:38] [INFO ] Invariant cache hit.
[2025-06-01 07:26:38] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 2 (OVERLAPS) 117/193 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 18/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 5 (OVERLAPS) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
No progress, stopping.
After SMT solving in domain Real declared 193/193 variables, and 97 constraints, problems are : Problem set: 0 solved, 189 unsolved in 6757 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 189/189 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 189 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 2 (OVERLAPS) 117/193 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 18/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 189/286 constraints. Problems are: Problem set: 0 solved, 189 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:26:51] [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 07:26:51] [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 07:26:51] [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) 0/193 variables, 3/289 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/193 variables, 0/289 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 7 (OVERLAPS) 0/193 variables, 0/289 constraints. Problems are: Problem set: 0 solved, 189 unsolved
No progress, stopping.
After SMT solving in domain Int declared 193/193 variables, and 289 constraints, problems are : Problem set: 0 solved, 189 unsolved in 27433 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 189/189 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 34262ms problems are : Problem set: 0 solved, 189 unsolved
Search for dead transitions found 0 dead transitions in 34263ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34858 ms. Remains : 76/76 places, 191/191 transitions.
[2025-06-01 07:27:12] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {31=1, 56=1, 102=1, 115=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {31=1, 56=1, 86=1, 112=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 42 ms. (steps per millisecond=238 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[8] Max Struct:[+inf]
[2025-06-01 07:27:13] [INFO ] Flatten gal took : 44 ms
RANDOM walk for 33490 steps (7 resets) in 253 ms. (131 steps per ms) remains 0/1 properties
[2025-06-01 07:27:13] [INFO ] Flatten gal took : 28 ms
[2025-06-01 07:27:13] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14463715955666864374.gal : 3 ms
[2025-06-01 07:27:13] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2179672172491254950.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/ReachabilityCardinality14463715955666864374.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2179672172491254950.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.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[8] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b008-UpperBounds-03 in 38523 ms.
Starting property specific reduction for FunctionPointer-PT-b008-UpperBounds-06
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 07:27:13] [INFO ] Flow matrix only has 172 transitions (discarded 88 similar events)
// Phase 1: matrix 172 rows 107 cols
[2025-06-01 07:27:13] [INFO ] Computed 2 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 36 ms. (270 steps per ms)
BEST_FIRST walk for 10001 steps (3 resets) in 12 ms. (769 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3] Max Struct:[+inf]
[2025-06-01 07:27:13] [INFO ] Flow matrix only has 172 transitions (discarded 88 similar events)
[2025-06-01 07:27:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 07:27:13] [INFO ] [Real]Absence check using 1 positive place invariants in 3 ms returned sat
[2025-06-01 07:27:13] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:27:13] [INFO ] [Real]Absence check using state equation in 88 ms returned sat
[2025-06-01 07:27:13] [INFO ] State equation strengthened by 35 read => feed constraints.
[2025-06-01 07:27:13] [INFO ] [Real]Added 35 Read/Feed constraints in 11 ms returned sat
[2025-06-01 07:27:13] [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 07:27:13] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-06-01 07:27:13] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:27:13] [INFO ] [Nat]Absence check using state equation in 78 ms returned sat
[2025-06-01 07:27:13] [INFO ] [Nat]Added 35 Read/Feed constraints in 11 ms returned sat
[2025-06-01 07:27:13] [INFO ] Computed and/alt/rep : 38/99/35 causal constraints (skipped 135 transitions) in 17 ms.
[2025-06-01 07:27:13] [INFO ] Added : 13 causal constraints over 5 iterations in 136 ms. Result :sat
Minimization took 57 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3] Max Struct:[+inf]
Support contains 1 out of 107 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 107/107 places, 260/260 transitions.
Graph (complete) has 444 edges and 107 vertex of which 98 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.0 ms
Discarding 9 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 0 with 16 rules applied. Total rules applied 17 place count 98 transition count 244
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 20 place count 95 transition count 236
Iterating global reduction 1 with 3 rules applied. Total rules applied 23 place count 95 transition count 236
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 25 place count 95 transition count 234
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 28 place count 92 transition count 226
Iterating global reduction 2 with 3 rules applied. Total rules applied 31 place count 92 transition count 226
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 33 place count 90 transition count 220
Iterating global reduction 2 with 2 rules applied. Total rules applied 35 place count 90 transition count 220
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 37 place count 88 transition count 216
Iterating global reduction 2 with 2 rules applied. Total rules applied 39 place count 88 transition count 216
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 41 place count 86 transition count 212
Iterating global reduction 2 with 2 rules applied. Total rules applied 43 place count 86 transition count 212
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 45 place count 84 transition count 208
Iterating global reduction 2 with 2 rules applied. Total rules applied 47 place count 84 transition count 208
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 49 place count 82 transition count 204
Iterating global reduction 2 with 2 rules applied. Total rules applied 51 place count 82 transition count 204
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 53 place count 80 transition count 200
Iterating global reduction 2 with 2 rules applied. Total rules applied 55 place count 80 transition count 200
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 56 place count 79 transition count 198
Iterating global reduction 2 with 1 rules applied. Total rules applied 57 place count 79 transition count 198
Applied a total of 57 rules in 26 ms. Remains 79 /107 variables (removed 28) and now considering 198/260 (removed 62) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26 ms. Remains : 79/107 places, 198/260 transitions.
[2025-06-01 07:27:13] [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 30 ms. (steps per millisecond=333 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[4] Max Struct:[+inf]
[2025-06-01 07:27:14] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
// Phase 1: matrix 122 rows 79 cols
[2025-06-01 07:27:14] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[4] Max Struct:[+inf]
RANDOM walk for 1000001 steps (2 resets) in 1462 ms. (683 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 677 ms. (1474 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[669] Max Struct:[+inf]
[2025-06-01 07:27:16] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 07:27:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 07:27:16] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 07:27:16] [INFO ] [Real]Absence check using state equation in 47 ms returned sat
[2025-06-01 07:27:16] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 07:27:16] [INFO ] [Real]Added 18 Read/Feed constraints in 5 ms returned sat
[2025-06-01 07:27:16] [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 07:27:16] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 07:27:16] [INFO ] [Nat]Absence check using state equation in 51 ms returned sat
[2025-06-01 07:27:16] [INFO ] [Nat]Added 18 Read/Feed constraints in 6 ms returned sat
[2025-06-01 07:27:16] [INFO ] Computed and/alt/rep : 59/192/53 causal constraints (skipped 67 transitions) in 8 ms.
[2025-06-01 07:27:16] [INFO ] Added : 13 causal constraints over 3 iterations in 55 ms. Result :sat
Minimization took 32 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[669] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[669] 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 07:27:18] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 07:27:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:27:18] [INFO ] Implicit Places using invariants in 122 ms returned []
[2025-06-01 07:27:18] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 07:27:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:27:18] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 07:27:18] [INFO ] Implicit Places using invariants and state equation in 266 ms returned []
Implicit Place search using SMT with State Equation took 390 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 07:27:18] [INFO ] Redundant transitions in 1 ms returned []
Running 196 sub problems to find dead transitions.
[2025-06-01 07:27:18] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 07:27:18] [INFO ] Invariant cache hit.
[2025-06-01 07:27:18] [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) 0/79 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 6612 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 07:27:30] [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 07:27:31] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 0 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/201 variables, 2/298 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/201 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 7 (OVERLAPS) 0/201 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 196 unsolved
No progress, stopping.
After SMT solving in domain Int declared 201/201 variables, and 298 constraints, problems are : Problem set: 0 solved, 196 unsolved in 26321 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: 2/2 constraints]
After SMT, in 32985ms problems are : Problem set: 0 solved, 196 unsolved
Search for dead transitions found 0 dead transitions in 32987ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33387 ms. Remains : 79/79 places, 198/198 transitions.
[2025-06-01 07:27:51] [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 38 ms. (steps per millisecond=263 ) properties (out of 1) seen :[7]
Current structural bounds on expressions (after cover walk) : Max Seen:[669] Max Struct:[+inf]
[2025-06-01 07:27:51] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 07:27:51] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[669] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1530 ms. (653 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 854 ms. (1169 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[669] Max Struct:[+inf]
[2025-06-01 07:27:54] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 07:27:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 07:27:54] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 07:27:54] [INFO ] [Real]Absence check using state equation in 45 ms returned sat
[2025-06-01 07:27:54] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 07:27:54] [INFO ] [Real]Added 18 Read/Feed constraints in 7 ms returned sat
[2025-06-01 07:27:54] [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 07:27:54] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 07:27:54] [INFO ] [Nat]Absence check using state equation in 48 ms returned sat
[2025-06-01 07:27:54] [INFO ] [Nat]Added 18 Read/Feed constraints in 6 ms returned sat
[2025-06-01 07:27:54] [INFO ] Computed and/alt/rep : 59/192/53 causal constraints (skipped 67 transitions) in 9 ms.
[2025-06-01 07:27:54] [INFO ] Added : 13 causal constraints over 3 iterations in 54 ms. Result :sat
Minimization took 33 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[669] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[669] 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 4 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
[2025-06-01 07:27:56] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 07:27:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:27:56] [INFO ] Implicit Places using invariants in 103 ms returned []
[2025-06-01 07:27:56] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 07:27:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:27:56] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 07:27:57] [INFO ] Implicit Places using invariants and state equation in 271 ms returned []
Implicit Place search using SMT with State Equation took 385 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 07:27:57] [INFO ] Redundant transitions in 1 ms returned []
Running 196 sub problems to find dead transitions.
[2025-06-01 07:27:57] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 07:27:57] [INFO ] Invariant cache hit.
[2025-06-01 07:27:57] [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 6738 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 07:28:10] [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 07:28:10] [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) 0/201 variables, 2/298 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/201 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 7 (OVERLAPS) 0/201 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 196 unsolved
No progress, stopping.
After SMT solving in domain Int declared 201/201 variables, and 298 constraints, problems are : Problem set: 0 solved, 196 unsolved in 23050 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: 2/2 constraints]
After SMT, in 29865ms problems are : Problem set: 0 solved, 196 unsolved
Search for dead transitions found 0 dead transitions in 29867ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 30265 ms. Remains : 79/79 places, 198/198 transitions.
[2025-06-01 07:28:26] [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 27 ms. (steps per millisecond=370 ) properties (out of 1) seen :[5]
Current structural bounds on expressions (after cover walk) : Max Seen:[669] Max Struct:[+inf]
[2025-06-01 07:28:27] [INFO ] Flatten gal took : 11 ms
[2025-06-01 07:28:27] [INFO ] Flatten gal took : 10 ms
[2025-06-01 07:28:27] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4089617409154518615.gal : 2 ms
[2025-06-01 07:28:27] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16669230190604970535.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/ReachabilityCardinality4089617409154518615.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16669230190604970535.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 113 ms. (350 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/ReachabilityCardinality16669230190604970535.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 1042
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1042 after 147135
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :147135 after 3.74715e+07
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :3.74715e+07 after 1.1456e+08
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :1.1456e+08 after 2.91137e+08
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :2.91137e+08 after 1.90699e+10
Interrupted probabilistic random walk after 1541235 steps, run timeout after 3001 ms. (steps per millisecond=513 ) properties seen :0 out of 1
Probabilistic random walk after 1541235 steps, saw 959238 distinct states, run finished after 3001 ms. (steps per millisecond=513 ) properties seen :0
[2025-06-01 07:28:30] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 07:28:30] [INFO ] Invariant cache hit.
[2025-06-01 07:28:30] [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 129 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 07:28:30] [INFO ] Deduced a trap along path composed of 3 places in 21 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
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:28:30] [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 07:28:30] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 0 ms to minimize.
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :1.90699e+10 after 1.03061e+11
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:28:30] [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 07:28:30] [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 07:28:30] [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 07:28:30] [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 07:28:30] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 1 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/201 variables, 7/109 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/201 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/201 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 201/201 variables, and 109 constraints, problems are : Problem set: 0 solved, 1 unsolved in 379 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: 8/8 constraints]
After SMT, in 534ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 1273 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 5 ms. Remains : 79/79 places, 198/198 transitions.
RANDOM walk for 40002 steps (8 resets) in 95 ms. (416 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 35 ms. (1111 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1481204 steps, run timeout after 3001 ms. (steps per millisecond=493 ) properties seen :0 out of 1
Probabilistic random walk after 1481204 steps, saw 921873 distinct states, run finished after 3001 ms. (steps per millisecond=493 ) properties seen :0
[2025-06-01 07:28:34] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 07:28:34] [INFO ] Invariant cache hit.
[2025-06-01 07:28:34] [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 123 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 07:28:35] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 0 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
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:28:35] [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 07:28:35] [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 07:28:35] [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 07:28:35] [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 07:28:35] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:28:35] [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 07:28:35] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 1 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/201 variables, 7/109 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/201 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/201 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 201/201 variables, and 109 constraints, problems are : Problem set: 0 solved, 1 unsolved in 370 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: 8/8 constraints]
After SMT, in 511ms problems are : Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :1.03061e+11 after 2.70718e+11
Parikh walk visited 0 properties in 1259 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 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 07:28:36] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 07:28:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:28:36] [INFO ] Implicit Places using invariants in 100 ms returned []
[2025-06-01 07:28:36] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 07:28:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:28:36] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 07:28:37] [INFO ] Implicit Places using invariants and state equation in 245 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 07:28:37] [INFO ] Redundant transitions in 1 ms returned []
Running 196 sub problems to find dead transitions.
[2025-06-01 07:28:37] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 07:28:37] [INFO ] Invariant cache hit.
[2025-06-01 07:28:37] [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) 0/79 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 5080 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 07:28:46] [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 07:28:46] [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, 2/298 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/201 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 7 (OVERLAPS) 0/201 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 196 unsolved
No progress, stopping.
After SMT solving in domain Int declared 201/201 variables, and 298 constraints, problems are : Problem set: 0 solved, 196 unsolved in 19589 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: 2/2 constraints]
After SMT, in 24721ms problems are : Problem set: 0 solved, 196 unsolved
Search for dead transitions found 0 dead transitions in 24722ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25080 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 30 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 07:29:01] [INFO ] Computed 3 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 07:29:01] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 07:29:01] [INFO ] After 50ms 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 07:29:01] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 07:29:01] [INFO ] After 15ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-01 07:29:01] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-01 07:29:01] [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 07:29:01] [INFO ] After 8ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-01 07:29:01] [INFO ] After 55ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-01 07:29:01] [INFO ] Flatten gal took : 5 ms
[2025-06-01 07:29:01] [INFO ] Flatten gal took : 2 ms
[2025-06-01 07:29:01] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality901107040330022230.gal : 0 ms
[2025-06-01 07:29:01] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17270350795527398361.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/ReachabilityCardinality901107040330022230.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17270350795527398361.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/ReachabilityCardinality17270350795527398361.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 17
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :17 after 288
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :288 after 14700
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :14700 after 90900
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :90900 after 432180
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :432180 after 1.86018e+06
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :1.86018e+06 after 7.68126e+06
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :2.70718e+11 after 6.05703e+11
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :7.68126e+06 after 3.1151e+07
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :3.1151e+07 after 1.25338e+08
Detected timeout of ITS tools.
[2025-06-01 07:29:16] [INFO ] Flatten gal took : 2 ms
[2025-06-01 07:29:16] [INFO ] Applying decomposition
[2025-06-01 07:29:16] [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/graph12844285305537551876.txt' '-o' '/tmp/graph12844285305537551876.bin' '-w' '/tmp/graph12844285305537551876.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph12844285305537551876.bin' '-l' '-1' '-v' '-w' '/tmp/graph12844285305537551876.weights' '-q' '0' '-e' '0.001'
[2025-06-01 07:29:16] [INFO ] Decomposing Gal with order
[2025-06-01 07:29:16] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 07:29:16] [INFO ] Removed a total of 42 redundant transitions.
[2025-06-01 07:29:16] [INFO ] Flatten gal took : 5 ms
[2025-06-01 07:29:16] [INFO ] Fuse similar labels procedure discarded/fused a total of 4 labels/synchronizations in 1 ms.
[2025-06-01 07:29:16] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1227042034138406521.gal : 0 ms
[2025-06-01 07:29:17] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality18323950644693697712.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/ReachabilityCardinality1227042034138406521.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality18323950644693697712.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/ReachabilityCardinality18323950644693697712.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 17
Detected timeout of ITS tools.
[2025-06-01 07:29:17] [INFO ] Flatten gal took : 9 ms
[2025-06-01 07:29:17] [INFO ] Applying decomposition
[2025-06-01 07:29:17] [INFO ] Flatten gal took : 9 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph5614357092497008974.txt' '-o' '/tmp/graph5614357092497008974.bin' '-w' '/tmp/graph5614357092497008974.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph5614357092497008974.bin' '-l' '-1' '-v' '-w' '/tmp/graph5614357092497008974.weights' '-q' '0' '-e' '0.001'
[2025-06-01 07:29:17] [INFO ] Decomposing Gal with order
[2025-06-01 07:29:17] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 07:29:17] [INFO ] Removed a total of 334 redundant transitions.
[2025-06-01 07:29:17] [INFO ] Flatten gal took : 23 ms
[2025-06-01 07:29:17] [INFO ] Fuse similar labels procedure discarded/fused a total of 94 labels/synchronizations in 7 ms.
[2025-06-01 07:29:17] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16690911328778003155.gal : 2 ms
[2025-06-01 07:29:17] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11928713847324918647.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/ReachabilityCardinality16690911328778003155.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11928713847324918647.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/ReachabilityCardinality11928713847324918647.prop.
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30248 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:[669] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b008-UpperBounds-06 in 138848 ms.
Starting property specific reduction for FunctionPointer-PT-b008-UpperBounds-07
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 07:29:32] [INFO ] Flow matrix only has 172 transitions (discarded 88 similar events)
// Phase 1: matrix 172 rows 107 cols
[2025-06-01 07:29:32] [INFO ] Computed 2 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 17 ms. (555 steps per ms)
BEST_FIRST walk for 10001 steps (3 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[7] Max Struct:[+inf]
[2025-06-01 07:29:32] [INFO ] Flow matrix only has 172 transitions (discarded 88 similar events)
[2025-06-01 07:29:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 07:29:32] [INFO ] [Real]Absence check using 1 positive place invariants in 3 ms returned sat
[2025-06-01 07:29:32] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:29:32] [INFO ] [Real]Absence check using state equation in 62 ms returned sat
[2025-06-01 07:29:32] [INFO ] State equation strengthened by 35 read => feed constraints.
[2025-06-01 07:29:32] [INFO ] [Real]Added 35 Read/Feed constraints in 8 ms returned sat
[2025-06-01 07:29:32] [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 07:29:32] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-06-01 07:29:32] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:29:32] [INFO ] [Nat]Absence check using state equation in 60 ms returned sat
[2025-06-01 07:29:32] [INFO ] [Nat]Added 35 Read/Feed constraints in 10 ms returned sat
[2025-06-01 07:29:32] [INFO ] Computed and/alt/rep : 38/99/35 causal constraints (skipped 135 transitions) in 11 ms.
[2025-06-01 07:29:32] [INFO ] Added : 2 causal constraints over 1 iterations in 45 ms. Result :sat
Minimization took 36 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[7] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[7] Max Struct:[+inf]
Support contains 1 out of 107 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 107/107 places, 260/260 transitions.
Graph (complete) has 444 edges and 107 vertex of which 101 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.0 ms
Discarding 6 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 0 with 11 rules applied. Total rules applied 12 place count 101 transition count 249
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 16 place count 97 transition count 239
Iterating global reduction 1 with 4 rules applied. Total rules applied 20 place count 97 transition count 239
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 22 place count 97 transition count 237
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 26 place count 93 transition count 227
Iterating global reduction 2 with 4 rules applied. Total rules applied 30 place count 93 transition count 227
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 33 place count 90 transition count 219
Iterating global reduction 2 with 3 rules applied. Total rules applied 36 place count 90 transition count 219
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 39 place count 87 transition count 213
Iterating global reduction 2 with 3 rules applied. Total rules applied 42 place count 87 transition count 213
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 45 place count 84 transition count 207
Iterating global reduction 2 with 3 rules applied. Total rules applied 48 place count 84 transition count 207
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 51 place count 81 transition count 201
Iterating global reduction 2 with 3 rules applied. Total rules applied 54 place count 81 transition count 201
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 56 place count 79 transition count 197
Iterating global reduction 2 with 2 rules applied. Total rules applied 58 place count 79 transition count 197
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 60 place count 77 transition count 193
Iterating global reduction 2 with 2 rules applied. Total rules applied 62 place count 77 transition count 193
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 63 place count 76 transition count 191
Iterating global reduction 2 with 1 rules applied. Total rules applied 64 place count 76 transition count 191
Applied a total of 64 rules in 19 ms. Remains 76 /107 variables (removed 31) and now considering 191/260 (removed 69) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 76/107 places, 191/260 transitions.
[2025-06-01 07:29:32] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {31=1, 56=1, 102=1, 115=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {31=1, 56=1, 86=1, 112=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 26 ms. (steps per millisecond=384 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[7] Max Struct:[+inf]
[2025-06-01 07:29:32] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
// Phase 1: matrix 117 rows 76 cols
[2025-06-01 07:29:32] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[7] Max Struct:[+inf]
RANDOM walk for 1000001 steps (2 resets) in 1336 ms. (747 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 581 ms. (1718 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[7] Max Struct:[+inf]
[2025-06-01 07:29:34] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2025-06-01 07:29:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 07:29:34] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 07:29:34] [INFO ] [Real]Absence check using state equation in 41 ms returned sat
[2025-06-01 07:29:34] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 07:29:34] [INFO ] [Real]Added 18 Read/Feed constraints in 7 ms returned sat
[2025-06-01 07:29:34] [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 07:29:34] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 07:29:34] [INFO ] [Nat]Absence check using state equation in 54 ms returned sat
[2025-06-01 07:29:34] [INFO ] [Nat]Added 18 Read/Feed constraints in 12 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:29:34] [INFO ] Deduced a trap composed of 13 places in 79 ms of which 7 ms to minimize.
[2025-06-01 07:29:34] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 92 ms
[2025-06-01 07:29:34] [INFO ] Computed and/alt/rep : 61/197/52 causal constraints (skipped 63 transitions) in 8 ms.
[2025-06-01 07:29:34] [INFO ] Added : 3 causal constraints over 1 iterations in 30 ms. Result :sat
Minimization took 26 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[7] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[7] Max Struct:[+inf]
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 3 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 76/76 places, 191/191 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 3 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
[2025-06-01 07:29:34] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2025-06-01 07:29:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:29:34] [INFO ] Implicit Places using invariants in 119 ms returned []
[2025-06-01 07:29:34] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2025-06-01 07:29:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:29:35] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 07:29:35] [INFO ] Implicit Places using invariants and state equation in 290 ms returned []
Implicit Place search using SMT with State Equation took 411 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 07:29:35] [INFO ] Redundant transitions in 1 ms returned []
Running 189 sub problems to find dead transitions.
[2025-06-01 07:29:35] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2025-06-01 07:29:35] [INFO ] Invariant cache hit.
[2025-06-01 07:29:35] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 2 (OVERLAPS) 117/193 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 189 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 18/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 5 (OVERLAPS) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
No progress, stopping.
After SMT solving in domain Real declared 193/193 variables, and 97 constraints, problems are : Problem set: 0 solved, 189 unsolved in 4863 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 189/189 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 189 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 2 (OVERLAPS) 117/193 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 18/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 189/286 constraints. Problems are: Problem set: 0 solved, 189 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:29:44] [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 07:29:44] [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 07:29:44] [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) 0/193 variables, 3/289 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/193 variables, 0/289 constraints. Problems are: Problem set: 0 solved, 189 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:29:57] [INFO ] Deduced a trap along path composed of 3 places in 24 ms of which 1 ms to minimize.
At refinement iteration 7 (OVERLAPS) 0/193 variables, 1/290 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/193 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 189 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 193/193 variables, and 290 constraints, problems are : Problem set: 0 solved, 189 unsolved in 30011 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 189/189 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 4/4 constraints]
After SMT, in 34946ms problems are : Problem set: 0 solved, 189 unsolved
Search for dead transitions found 0 dead transitions in 34950ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35372 ms. Remains : 76/76 places, 191/191 transitions.
[2025-06-01 07:30:10] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {31=1, 56=1, 102=1, 115=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {31=1, 56=1, 86=1, 112=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 24 ms. (steps per millisecond=416 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[7] Max Struct:[+inf]
[2025-06-01 07:30:10] [INFO ] Flatten gal took : 24 ms
[2025-06-01 07:30:10] [INFO ] Flatten gal took : 8 ms
[2025-06-01 07:30:10] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3832737203938817371.gal : 2 ms
RANDOM walk for 40007 steps (8 resets) in 70 ms. (563 steps per ms) remains 1/1 properties
[2025-06-01 07:30:10] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17408186451386833708.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/ReachabilityCardinality3832737203938817371.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17408186451386833708.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
BEST_FIRST walk for 40004 steps (8 resets) in 56 ms. (701 steps per ms) remains 1/1 properties
Loading property file /tmp/ReachabilityCardinality17408186451386833708.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 922
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :922 after 95322
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :95322 after 7.35152e+06
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :7.35152e+06 after 5.08224e+08
Interrupted probabilistic random walk after 1331741 steps, run timeout after 3001 ms. (steps per millisecond=443 ) properties seen :0 out of 1
Probabilistic random walk after 1331741 steps, saw 828953 distinct states, run finished after 3005 ms. (steps per millisecond=443 ) properties seen :0
[2025-06-01 07:30:13] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2025-06-01 07:30:13] [INFO ] Invariant cache hit.
[2025-06-01 07:30:13] [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) 64/69 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/69 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/69 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 6/75 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/75 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/75 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 94/169 variables, 53/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/169 variables, 17/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/169 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 6/175 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/175 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 11/186 variables, 10/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/186 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 4/190 variables, 2/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/190 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 3/193 variables, 2/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 193/193 variables, and 97 constraints, problems are : Problem set: 0 solved, 1 unsolved in 123 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 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) 64/69 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/69 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/69 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 6/75 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/75 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/75 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 94/169 variables, 53/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/169 variables, 17/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/169 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/169 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 6/175 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/175 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 11/186 variables, 10/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/186 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 4/190 variables, 2/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/190 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 3/193 variables, 2/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/193 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/193 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 193/193 variables, and 98 constraints, problems are : Problem set: 0 solved, 1 unsolved in 158 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 292ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 74 steps, including 2 resets, run visited all 1 properties in 2 ms. (steps per millisecond=37 )
Parikh walk visited 1 properties in 7 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:[7] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b008-UpperBounds-07 in 41650 ms.
Starting property specific reduction for FunctionPointer-PT-b008-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 07:30:13] [INFO ] Flow matrix only has 172 transitions (discarded 88 similar events)
// Phase 1: matrix 172 rows 107 cols
[2025-06-01 07:30:13] [INFO ] Computed 2 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 19 ms. (500 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:[2] Max Struct:[+inf]
[2025-06-01 07:30:13] [INFO ] Flow matrix only has 172 transitions (discarded 88 similar events)
[2025-06-01 07:30:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 07:30:13] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-06-01 07:30:13] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:30:13] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2025-06-01 07:30:13] [INFO ] State equation strengthened by 35 read => feed constraints.
[2025-06-01 07:30:13] [INFO ] [Real]Added 35 Read/Feed constraints in 6 ms returned sat
[2025-06-01 07:30:13] [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 07:30:13] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-06-01 07:30:13] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 6 ms returned sat
[2025-06-01 07:30:13] [INFO ] [Nat]Absence check using state equation in 63 ms returned sat
[2025-06-01 07:30:13] [INFO ] [Nat]Added 35 Read/Feed constraints in 9 ms returned sat
[2025-06-01 07:30:13] [INFO ] Computed and/alt/rep : 38/99/35 causal constraints (skipped 135 transitions) in 12 ms.
[2025-06-01 07:30:14] [INFO ] Added : 2 causal constraints over 1 iterations in 50 ms. Result :sat
Minimization took 38 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[7] Max Struct:[+inf]
Support contains 1 out of 107 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 107/107 places, 260/260 transitions.
Graph (complete) has 444 edges and 107 vertex of which 101 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.0 ms
Discarding 6 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 0 with 10 rules applied. Total rules applied 11 place count 101 transition count 250
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 15 place count 97 transition count 240
Iterating global reduction 1 with 4 rules applied. Total rules applied 19 place count 97 transition count 240
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 21 place count 97 transition count 238
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 25 place count 93 transition count 228
Iterating global reduction 2 with 4 rules applied. Total rules applied 29 place count 93 transition count 228
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 32 place count 90 transition count 220
Iterating global reduction 2 with 3 rules applied. Total rules applied 35 place count 90 transition count 220
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 38 place count 87 transition count 214
Iterating global reduction 2 with 3 rules applied. Total rules applied 41 place count 87 transition count 214
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 44 place count 84 transition count 208
Iterating global reduction 2 with 3 rules applied. Total rules applied 47 place count 84 transition count 208
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 50 place count 81 transition count 202
Iterating global reduction 2 with 3 rules applied. Total rules applied 53 place count 81 transition count 202
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 55 place count 79 transition count 198
Iterating global reduction 2 with 2 rules applied. Total rules applied 57 place count 79 transition count 198
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 59 place count 77 transition count 194
Iterating global reduction 2 with 2 rules applied. Total rules applied 61 place count 77 transition count 194
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 62 place count 76 transition count 192
Iterating global reduction 2 with 1 rules applied. Total rules applied 63 place count 76 transition count 192
Applied a total of 63 rules in 15 ms. Remains 76 /107 variables (removed 31) and now considering 192/260 (removed 68) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15 ms. Remains : 76/107 places, 192/260 transitions.
[2025-06-01 07:30:14] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {32=1, 57=1, 103=1, 116=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {29=1, 54=1, 84=1, 113=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 8 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:[7] Max Struct:[+inf]
[2025-06-01 07:30:14] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
// Phase 1: matrix 118 rows 76 cols
[2025-06-01 07:30:14] [INFO ] Computed 2 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[7] Max Struct:[+inf]
RANDOM walk for 1000002 steps (2 resets) in 1361 ms. (734 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 615 ms. (1623 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[7] Max Struct:[+inf]
[2025-06-01 07:30:16] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2025-06-01 07:30:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 07:30:16] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-06-01 07:30:16] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:30:16] [INFO ] [Real]Absence check using state equation in 39 ms returned sat
[2025-06-01 07:30:16] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 07:30:16] [INFO ] [Real]Added 18 Read/Feed constraints in 6 ms returned sat
[2025-06-01 07:30:16] [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 07:30:16] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-06-01 07:30:16] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:30:16] [INFO ] [Nat]Absence check using state equation in 41 ms returned sat
[2025-06-01 07:30:16] [INFO ] [Nat]Added 18 Read/Feed constraints in 6 ms returned sat
[2025-06-01 07:30:16] [INFO ] Computed and/alt/rep : 62/198/53 causal constraints (skipped 63 transitions) in 12 ms.
[2025-06-01 07:30:16] [INFO ] Added : 6 causal constraints over 3 iterations in 67 ms. Result :sat
Minimization took 30 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[7] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[7] Max Struct:[+inf]
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 192/192 transitions.
Applied a total of 0 rules in 6 ms. Remains 76 /76 variables (removed 0) and now considering 192/192 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 76/76 places, 192/192 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 192/192 transitions.
Applied a total of 0 rules in 5 ms. Remains 76 /76 variables (removed 0) and now considering 192/192 (removed 0) transitions.
[2025-06-01 07:30:16] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2025-06-01 07:30:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:30:16] [INFO ] Implicit Places using invariants in 127 ms returned []
[2025-06-01 07:30:16] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2025-06-01 07:30:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:30:16] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 07:30:16] [INFO ] Implicit Places using invariants and state equation in 361 ms returned []
Implicit Place search using SMT with State Equation took 490 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 07:30:17] [INFO ] Redundant transitions in 1 ms returned []
Running 190 sub problems to find dead transitions.
[2025-06-01 07:30:17] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2025-06-01 07:30:17] [INFO ] Invariant cache hit.
[2025-06-01 07:30:17] [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) 0/76 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (OVERLAPS) 118/194 variables, 76/78 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 18/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/194 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Real declared 194/194 variables, and 96 constraints, problems are : Problem set: 0 solved, 190 unsolved in 7708 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 190 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (OVERLAPS) 118/194 variables, 76/78 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 18/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 190/286 constraints. Problems are: Problem set: 0 solved, 190 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:30:30] [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 07:30:30] [INFO ] Deduced a trap along path composed of 3 places in 25 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/194 variables, 2/288 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/194 variables, 0/288 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 8 (OVERLAPS) 0/194 variables, 0/288 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Int declared 194/194 variables, and 288 constraints, problems are : Problem set: 0 solved, 190 unsolved in 27373 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 35157ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 35158ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35664 ms. Remains : 76/76 places, 192/192 transitions.
[2025-06-01 07:30:52] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {32=1, 57=1, 103=1, 116=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {29=1, 54=1, 84=1, 113=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 4 resets, run finished after 40 ms. (steps per millisecond=250 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[7] Max Struct:[+inf]
[2025-06-01 07:30:52] [INFO ] Flatten gal took : 24 ms
[2025-06-01 07:30:52] [INFO ] Flatten gal took : 11 ms
[2025-06-01 07:30:52] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6348100249083011803.gal : 3 ms
[2025-06-01 07:30:52] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8298407518886930925.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/ReachabilityCardinality6348100249083011803.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8298407518886930925.prop' '--nowitness' '--gen-order' 'FOLLOW'
RANDOM walk for 40004 steps (8 resets) in 140 ms. (283 steps per ms) remains 1/1 properties
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
BEST_FIRST walk for 35590 steps (8 resets) in 55 ms. (635 steps per ms) remains 0/1 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[7] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b008-UpperBounds-09 in 38689 ms.
Starting property specific reduction for FunctionPointer-PT-b008-UpperBounds-12
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 07:30:52] [INFO ] Flow matrix only has 172 transitions (discarded 88 similar events)
// Phase 1: matrix 172 rows 107 cols
[2025-06-01 07:30:52] [INFO ] Computed 2 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 22 ms. (434 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2025-06-01 07:30:52] [INFO ] Flow matrix only has 172 transitions (discarded 88 similar events)
[2025-06-01 07:30:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 07:30:52] [INFO ] [Real]Absence check using 1 positive place invariants in 3 ms returned sat
[2025-06-01 07:30:52] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:30:52] [INFO ] [Real]Absence check using state equation in 86 ms returned sat
[2025-06-01 07:30:52] [INFO ] State equation strengthened by 35 read => feed constraints.
[2025-06-01 07:30:52] [INFO ] [Real]Added 35 Read/Feed constraints in 10 ms returned sat
[2025-06-01 07:30:52] [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 07:30:52] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-06-01 07:30:52] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:30:52] [INFO ] [Nat]Absence check using state equation in 59 ms returned sat
[2025-06-01 07:30:52] [INFO ] [Nat]Added 35 Read/Feed constraints in 12 ms returned sat
[2025-06-01 07:30:52] [INFO ] Computed and/alt/rep : 38/99/35 causal constraints (skipped 135 transitions) in 12 ms.
[2025-06-01 07:30:52] [INFO ] Added : 2 causal constraints over 1 iterations in 45 ms. Result :sat
Minimization took 38 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[7] Max Struct:[+inf]
Support contains 1 out of 107 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 107/107 places, 260/260 transitions.
Graph (complete) has 444 edges and 107 vertex of which 101 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.0 ms
Discarding 6 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 0 with 11 rules applied. Total rules applied 12 place count 101 transition count 249
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 16 place count 97 transition count 239
Iterating global reduction 1 with 4 rules applied. Total rules applied 20 place count 97 transition count 239
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 22 place count 97 transition count 237
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 26 place count 93 transition count 227
Iterating global reduction 2 with 4 rules applied. Total rules applied 30 place count 93 transition count 227
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 33 place count 90 transition count 219
Iterating global reduction 2 with 3 rules applied. Total rules applied 36 place count 90 transition count 219
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 39 place count 87 transition count 213
Iterating global reduction 2 with 3 rules applied. Total rules applied 42 place count 87 transition count 213
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 45 place count 84 transition count 207
Iterating global reduction 2 with 3 rules applied. Total rules applied 48 place count 84 transition count 207
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 51 place count 81 transition count 201
Iterating global reduction 2 with 3 rules applied. Total rules applied 54 place count 81 transition count 201
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 56 place count 79 transition count 197
Iterating global reduction 2 with 2 rules applied. Total rules applied 58 place count 79 transition count 197
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 60 place count 77 transition count 193
Iterating global reduction 2 with 2 rules applied. Total rules applied 62 place count 77 transition count 193
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 63 place count 76 transition count 191
Iterating global reduction 2 with 1 rules applied. Total rules applied 64 place count 76 transition count 191
Applied a total of 64 rules in 18 ms. Remains 76 /107 variables (removed 31) and now considering 191/260 (removed 69) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18 ms. Remains : 76/107 places, 191/260 transitions.
[2025-06-01 07:30:52] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {31=1, 56=1, 102=1, 115=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {31=1, 56=1, 86=1, 112=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[7] Max Struct:[+inf]
[2025-06-01 07:30:52] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
// Phase 1: matrix 117 rows 76 cols
[2025-06-01 07:30:52] [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 1266 ms. (789 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 597 ms. (1672 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[8] Max Struct:[+inf]
[2025-06-01 07:30:54] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2025-06-01 07:30:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 07:30:54] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 07:30:54] [INFO ] [Real]Absence check using state equation in 41 ms returned sat
[2025-06-01 07:30:54] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 07:30:54] [INFO ] [Real]Added 18 Read/Feed constraints in 7 ms returned sat
[2025-06-01 07:30:54] [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 07:30:54] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 07:30:54] [INFO ] [Nat]Absence check using state equation in 42 ms returned sat
[2025-06-01 07:30:54] [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 07:30:55] [INFO ] Deduced a trap composed of 13 places in 75 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:30:55] [INFO ] Deduced a trap composed of 13 places in 74 ms of which 6 ms to minimize.
[2025-06-01 07:30:55] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 165 ms
[2025-06-01 07:30:55] [INFO ] Computed and/alt/rep : 61/197/52 causal constraints (skipped 63 transitions) in 9 ms.
[2025-06-01 07:30:55] [INFO ] Added : 11 causal constraints over 4 iterations in 54 ms. Result :sat
Minimization took 27 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[8] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[8] Max Struct:[+inf]
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 3 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 76/76 places, 191/191 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 3 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
[2025-06-01 07:30:55] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2025-06-01 07:30:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:30:55] [INFO ] Implicit Places using invariants in 111 ms returned []
[2025-06-01 07:30:55] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2025-06-01 07:30:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:30:55] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 07:30:55] [INFO ] Implicit Places using invariants and state equation in 338 ms returned []
Implicit Place search using SMT with State Equation took 450 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 07:30:55] [INFO ] Redundant transitions in 1 ms returned []
Running 189 sub problems to find dead transitions.
[2025-06-01 07:30:55] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2025-06-01 07:30:55] [INFO ] Invariant cache hit.
[2025-06-01 07:30:55] [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) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 2 (OVERLAPS) 117/193 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 18/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 5 (OVERLAPS) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
No progress, stopping.
After SMT solving in domain Real declared 193/193 variables, and 97 constraints, problems are : Problem set: 0 solved, 189 unsolved in 5291 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 189/189 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 189 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 2 (OVERLAPS) 117/193 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 18/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 189/286 constraints. Problems are: Problem set: 0 solved, 189 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:31:05] [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 07:31:05] [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) 0/193 variables, 2/288 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/193 variables, 0/288 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 7 (OVERLAPS) 0/193 variables, 0/288 constraints. Problems are: Problem set: 0 solved, 189 unsolved
No progress, stopping.
After SMT solving in domain Int declared 193/193 variables, and 288 constraints, problems are : Problem set: 0 solved, 189 unsolved in 19184 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 189/189 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 24521ms problems are : Problem set: 0 solved, 189 unsolved
Search for dead transitions found 0 dead transitions in 24522ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24981 ms. Remains : 76/76 places, 191/191 transitions.
[2025-06-01 07:31:20] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {31=1, 56=1, 102=1, 115=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {31=1, 56=1, 86=1, 112=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 26 ms. (steps per millisecond=384 ) properties (out of 1) seen :[5]
Current structural bounds on expressions (after cover walk) : Max Seen:[8] Max Struct:[+inf]
[2025-06-01 07:31:20] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2025-06-01 07:31:20] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[8] Max Struct:[+inf]
RANDOM walk for 1000001 steps (2 resets) in 1507 ms. (663 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 592 ms. (1686 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[8] Max Struct:[+inf]
[2025-06-01 07:31:22] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2025-06-01 07:31:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 07:31:22] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 07:31:22] [INFO ] [Real]Absence check using state equation in 38 ms returned sat
[2025-06-01 07:31:22] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 07:31:22] [INFO ] [Real]Added 18 Read/Feed constraints in 7 ms returned sat
[2025-06-01 07:31:22] [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 07:31:22] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 07:31:22] [INFO ] [Nat]Absence check using state equation in 38 ms returned sat
[2025-06-01 07:31:22] [INFO ] [Nat]Added 18 Read/Feed constraints in 7 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:31:22] [INFO ] Deduced a trap composed of 13 places in 75 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:31:22] [INFO ] Deduced a trap composed of 13 places in 75 ms of which 7 ms to minimize.
[2025-06-01 07:31:22] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 166 ms
[2025-06-01 07:31:22] [INFO ] Computed and/alt/rep : 61/197/52 causal constraints (skipped 63 transitions) in 8 ms.
[2025-06-01 07:31:22] [INFO ] Added : 11 causal constraints over 4 iterations in 52 ms. Result :sat
Minimization took 26 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[8] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[8] Max Struct:[+inf]
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 3 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 76/76 places, 191/191 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 3 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
[2025-06-01 07:31:22] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2025-06-01 07:31:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:31:22] [INFO ] Implicit Places using invariants in 109 ms returned []
[2025-06-01 07:31:22] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2025-06-01 07:31:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:31:23] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 07:31:23] [INFO ] Implicit Places using invariants and state equation in 301 ms returned []
Implicit Place search using SMT with State Equation took 411 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 07:31:23] [INFO ] Redundant transitions in 1 ms returned []
Running 189 sub problems to find dead transitions.
[2025-06-01 07:31:23] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2025-06-01 07:31:23] [INFO ] Invariant cache hit.
[2025-06-01 07:31:23] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 2 (OVERLAPS) 117/193 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 18/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 5 (OVERLAPS) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
No progress, stopping.
After SMT solving in domain Real declared 193/193 variables, and 97 constraints, problems are : Problem set: 0 solved, 189 unsolved in 6470 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 189/189 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 189 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 2 (OVERLAPS) 117/193 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 18/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 189/286 constraints. Problems are: Problem set: 0 solved, 189 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:31:36] [INFO ] Deduced a trap along path composed of 3 places in 32 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:31:36] [INFO ] Deduced a trap along path composed of 3 places in 28 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 2/288 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/193 variables, 0/288 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 7 (OVERLAPS) 0/193 variables, 0/288 constraints. Problems are: Problem set: 0 solved, 189 unsolved
No progress, stopping.
After SMT solving in domain Int declared 193/193 variables, and 288 constraints, problems are : Problem set: 0 solved, 189 unsolved in 22799 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 189/189 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 29340ms problems are : Problem set: 0 solved, 189 unsolved
Search for dead transitions found 0 dead transitions in 29342ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 29764 ms. Remains : 76/76 places, 191/191 transitions.
[2025-06-01 07:31:52] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {31=1, 56=1, 102=1, 115=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {31=1, 56=1, 86=1, 112=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 45 ms. (steps per millisecond=222 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[8] Max Struct:[+inf]
[2025-06-01 07:31:52] [INFO ] Flatten gal took : 7 ms
[2025-06-01 07:31:52] [INFO ] Flatten gal took : 7 ms
[2025-06-01 07:31:52] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14331664921717645663.gal : 2 ms
[2025-06-01 07:31:52] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality18010806340105040725.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/ReachabilityCardinality14331664921717645663.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality18010806340105040725.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
RANDOM walk for 40009 steps (8 resets) in 112 ms. (354 steps per ms) remains 1/1 properties
Loading property file /tmp/ReachabilityCardinality18010806340105040725.prop.
BEST_FIRST walk for 40004 steps (8 resets) in 43 ms. (909 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 31
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :31 after 922
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :922 after 95322
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :95322 after 7.35152e+06
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :7.35152e+06 after 6.62997e+08
Interrupted probabilistic random walk after 1356869 steps, run timeout after 3001 ms. (steps per millisecond=452 ) properties seen :0 out of 1
Probabilistic random walk after 1356869 steps, saw 844593 distinct states, run finished after 3003 ms. (steps per millisecond=451 ) properties seen :0
[2025-06-01 07:31:55] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2025-06-01 07:31:55] [INFO ] Invariant cache hit.
[2025-06-01 07:31:55] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/8 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 61/69 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/69 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/69 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 6/75 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/75 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/75 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 94/169 variables, 53/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/169 variables, 17/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/169 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 6/175 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/175 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 11/186 variables, 10/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/186 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 4/190 variables, 2/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/190 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 3/193 variables, 2/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 193/193 variables, and 97 constraints, problems are : Problem set: 0 solved, 1 unsolved in 136 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/8 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 61/69 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/69 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/69 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/69 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 6/75 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/75 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/75 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 94/169 variables, 53/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/169 variables, 17/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/169 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 6/175 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/175 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 11/186 variables, 10/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/186 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 4/190 variables, 2/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/190 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 3/193 variables, 2/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/193 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/193 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 193/193 variables, and 98 constraints, problems are : Problem set: 0 solved, 1 unsolved in 190 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 330ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 11 ms.
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 3 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 76/76 places, 191/191 transitions.
RANDOM walk for 40007 steps (8 resets) in 96 ms. (412 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 35 ms. (1111 steps per ms) remains 1/1 properties
Invariant property MIN0 does not hold.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 65 fixpoint passes
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,1.19897e+10,4.34526,86536,2,1571,11,632400,6,0,497,165227,0
Total reachable state count : 11989744448
Verifying 1 reachability properties.
Invariant property MIN0 does not hold.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,217056,4.34604,86536,2,155,11,632400,7,0,500,165227,0
Interrupted probabilistic random walk after 1460331 steps, run timeout after 3001 ms. (steps per millisecond=486 ) properties seen :0 out of 1
Probabilistic random walk after 1460331 steps, saw 908994 distinct states, run finished after 3001 ms. (steps per millisecond=486 ) properties seen :0
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[8] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b008-UpperBounds-12 in 66804 ms.
Starting property specific reduction for FunctionPointer-PT-b008-UpperBounds-13
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 07:31:59] [INFO ] Flow matrix only has 172 transitions (discarded 88 similar events)
// Phase 1: matrix 172 rows 107 cols
[2025-06-01 07:31:59] [INFO ] Computed 2 invariants in 0 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10003 steps (2 resets) in 16 ms. (588 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[8] Max Struct:[+inf]
[2025-06-01 07:31:59] [INFO ] Flow matrix only has 172 transitions (discarded 88 similar events)
[2025-06-01 07:31:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 07:31:59] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-06-01 07:31:59] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:31:59] [INFO ] [Real]Absence check using state equation in 61 ms returned sat
[2025-06-01 07:31:59] [INFO ] State equation strengthened by 35 read => feed constraints.
[2025-06-01 07:31:59] [INFO ] [Real]Added 35 Read/Feed constraints in 6 ms returned sat
[2025-06-01 07:31:59] [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 07:31:59] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-06-01 07:31:59] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:31:59] [INFO ] [Nat]Absence check using state equation in 59 ms returned sat
[2025-06-01 07:31:59] [INFO ] [Nat]Added 35 Read/Feed constraints in 6 ms returned sat
[2025-06-01 07:31:59] [INFO ] Computed and/alt/rep : 38/99/35 causal constraints (skipped 135 transitions) in 18 ms.
[2025-06-01 07:31:59] [INFO ] Added : 1 causal constraints over 1 iterations in 54 ms. Result :sat
Minimization took 31 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 107 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 107/107 places, 260/260 transitions.
Graph (complete) has 444 edges and 107 vertex of which 98 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.1 ms
Discarding 9 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 0 with 16 rules applied. Total rules applied 17 place count 98 transition count 244
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 20 place count 95 transition count 236
Iterating global reduction 1 with 3 rules applied. Total rules applied 23 place count 95 transition count 236
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 26 place count 92 transition count 228
Iterating global reduction 1 with 3 rules applied. Total rules applied 29 place count 92 transition count 228
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 32 place count 89 transition count 220
Iterating global reduction 1 with 3 rules applied. Total rules applied 35 place count 89 transition count 220
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 38 place count 86 transition count 214
Iterating global reduction 1 with 3 rules applied. Total rules applied 41 place count 86 transition count 214
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 44 place count 83 transition count 208
Iterating global reduction 1 with 3 rules applied. Total rules applied 47 place count 83 transition count 208
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 50 place count 80 transition count 202
Iterating global reduction 1 with 3 rules applied. Total rules applied 53 place count 80 transition count 202
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 55 place count 78 transition count 198
Iterating global reduction 1 with 2 rules applied. Total rules applied 57 place count 78 transition count 198
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 59 place count 76 transition count 194
Iterating global reduction 1 with 2 rules applied. Total rules applied 61 place count 76 transition count 194
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 62 place count 75 transition count 192
Iterating global reduction 1 with 1 rules applied. Total rules applied 63 place count 75 transition count 192
Applied a total of 63 rules in 23 ms. Remains 75 /107 variables (removed 32) and now considering 192/260 (removed 68) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24 ms. Remains : 75/107 places, 192/260 transitions.
[2025-06-01 07:31:59] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {27=1, 55=1, 100=1, 116=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {25=1, 53=1, 98=1, 115=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 46 ms. (steps per millisecond=217 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[8] Max Struct:[+inf]
[2025-06-01 07:31:59] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
// Phase 1: matrix 117 rows 75 cols
[2025-06-01 07:31:59] [INFO ] Computed 3 invariants in 0 ms
Current structural bounds on expressions (after invariants) : Max Seen:[8] Max Struct:[+inf]
RANDOM walk for 1000004 steps (2 resets) in 1707 ms. (585 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 602 ms. (1658 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[640] Max Struct:[+inf]
[2025-06-01 07:32:02] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2025-06-01 07:32:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 07:32:02] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 07:32:02] [INFO ] [Real]Absence check using state equation in 42 ms returned sat
[2025-06-01 07:32:02] [INFO ] State equation strengthened by 17 read => feed constraints.
[2025-06-01 07:32:02] [INFO ] [Real]Added 17 Read/Feed constraints in 4 ms returned sat
[2025-06-01 07:32:02] [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 07:32:02] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 07:32:02] [INFO ] [Nat]Absence check using state equation in 41 ms returned sat
[2025-06-01 07:32:02] [INFO ] [Nat]Added 17 Read/Feed constraints in 4 ms returned sat
[2025-06-01 07:32:02] [INFO ] Computed and/alt/rep : 60/196/52 causal constraints (skipped 63 transitions) in 9 ms.
[2025-06-01 07:32:02] [INFO ] Added : 6 causal constraints over 3 iterations in 46 ms. Result :sat
Minimization took 25 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[640] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[640] Max Struct:[+inf]
Support contains 1 out of 75 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 75/75 places, 192/192 transitions.
Applied a total of 0 rules in 4 ms. Remains 75 /75 variables (removed 0) and now considering 192/192 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 75/75 places, 192/192 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 75/75 places, 192/192 transitions.
Applied a total of 0 rules in 3 ms. Remains 75 /75 variables (removed 0) and now considering 192/192 (removed 0) transitions.
[2025-06-01 07:32:03] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2025-06-01 07:32:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:32:03] [INFO ] Implicit Places using invariants in 113 ms returned []
[2025-06-01 07:32:03] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2025-06-01 07:32:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:32:03] [INFO ] State equation strengthened by 17 read => feed constraints.
[2025-06-01 07:32:03] [INFO ] Implicit Places using invariants and state equation in 363 ms returned []
Implicit Place search using SMT with State Equation took 480 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 07:32:03] [INFO ] Redundant transitions in 1 ms returned []
Running 190 sub problems to find dead transitions.
[2025-06-01 07:32:03] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2025-06-01 07:32:03] [INFO ] Invariant cache hit.
[2025-06-01 07:32:03] [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) 0/75 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 117/192 variables, 75/78 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/192 variables, 17/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (OVERLAPS) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 95 constraints, problems are : Problem set: 0 solved, 190 unsolved in 4615 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 75/75 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints, 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) 0/75 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 117/192 variables, 75/78 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/192 variables, 17/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/192 variables, 190/285 constraints. Problems are: Problem set: 0 solved, 190 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:32:14] [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 07:32:14] [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) 0/192 variables, 2/287 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 0/287 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 7 (OVERLAPS) 0/192 variables, 0/287 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Int declared 192/192 variables, and 287 constraints, problems are : Problem set: 0 solved, 190 unsolved in 22782 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 75/75 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 27444ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 27445ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 27936 ms. Remains : 75/75 places, 192/192 transitions.
[2025-06-01 07:32:31] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {27=1, 55=1, 100=1, 116=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {25=1, 53=1, 98=1, 115=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[640] Max Struct:[+inf]
[2025-06-01 07:32:31] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2025-06-01 07:32:31] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[640] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1584 ms. (630 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 599 ms. (1666 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[640] Max Struct:[+inf]
[2025-06-01 07:32:33] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2025-06-01 07:32:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 07:32:33] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 07:32:33] [INFO ] [Real]Absence check using state equation in 41 ms returned sat
[2025-06-01 07:32:33] [INFO ] State equation strengthened by 17 read => feed constraints.
[2025-06-01 07:32:33] [INFO ] [Real]Added 17 Read/Feed constraints in 5 ms returned sat
[2025-06-01 07:32:33] [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 07:32:33] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 07:32:33] [INFO ] [Nat]Absence check using state equation in 41 ms returned sat
[2025-06-01 07:32:33] [INFO ] [Nat]Added 17 Read/Feed constraints in 4 ms returned sat
[2025-06-01 07:32:33] [INFO ] Computed and/alt/rep : 60/196/52 causal constraints (skipped 63 transitions) in 9 ms.
[2025-06-01 07:32:33] [INFO ] Added : 6 causal constraints over 3 iterations in 46 ms. Result :sat
Minimization took 26 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[640] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[640] Max Struct:[+inf]
Support contains 1 out of 75 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 75/75 places, 192/192 transitions.
Applied a total of 0 rules in 3 ms. Remains 75 /75 variables (removed 0) and now considering 192/192 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 75/75 places, 192/192 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 75/75 places, 192/192 transitions.
Applied a total of 0 rules in 3 ms. Remains 75 /75 variables (removed 0) and now considering 192/192 (removed 0) transitions.
[2025-06-01 07:32:34] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2025-06-01 07:32:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:32:35] [INFO ] Implicit Places using invariants in 115 ms returned []
[2025-06-01 07:32:35] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2025-06-01 07:32:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:32:35] [INFO ] State equation strengthened by 17 read => feed constraints.
[2025-06-01 07:32:35] [INFO ] Implicit Places using invariants and state equation in 366 ms returned []
Implicit Place search using SMT with State Equation took 495 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 07:32:35] [INFO ] Redundant transitions in 1 ms returned []
Running 190 sub problems to find dead transitions.
[2025-06-01 07:32:35] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2025-06-01 07:32:35] [INFO ] Invariant cache hit.
[2025-06-01 07:32:35] [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) 0/75 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 117/192 variables, 75/78 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/192 variables, 17/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (OVERLAPS) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 95 constraints, problems are : Problem set: 0 solved, 190 unsolved in 6923 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 75/75 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints, 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) 0/75 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 117/192 variables, 75/78 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/192 variables, 17/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/192 variables, 190/285 constraints. Problems are: Problem set: 0 solved, 190 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:32:49] [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 07:32:49] [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) 0/192 variables, 2/287 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 0/287 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 7 (OVERLAPS) 0/192 variables, 0/287 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Int declared 192/192 variables, and 287 constraints, problems are : Problem set: 0 solved, 190 unsolved in 22260 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 75/75 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 29249ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 29250ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 29758 ms. Remains : 75/75 places, 192/192 transitions.
[2025-06-01 07:33:04] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {27=1, 55=1, 100=1, 116=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {25=1, 53=1, 98=1, 115=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 26 ms. (steps per millisecond=384 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[640] Max Struct:[+inf]
[2025-06-01 07:33:04] [INFO ] Flatten gal took : 24 ms
RANDOM walk for 40005 steps (8 resets) in 88 ms. (449 steps per ms) remains 1/1 properties
[2025-06-01 07:33:04] [INFO ] Flatten gal took : 6 ms
[2025-06-01 07:33:04] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9356086568373466723.gal : 2 ms
[2025-06-01 07:33:04] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9369490730911195434.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/ReachabilityCardinality9356086568373466723.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9369490730911195434.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
BEST_FIRST walk for 40003 steps (8 resets) in 49 ms. (800 steps per ms) remains 1/1 properties
Loading property file /tmp/ReachabilityCardinality9369490730911195434.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 1037
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1037 after 143587
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :143587 after 3.29101e+07
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :3.29101e+07 after 9.13562e+07
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :9.13562e+07 after 1.42209e+08
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :1.42209e+08 after 5.597e+08
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :5.597e+08 after 7.2014e+10
Interrupted probabilistic random walk after 1581500 steps, run timeout after 3001 ms. (steps per millisecond=526 ) properties seen :0 out of 1
Probabilistic random walk after 1581500 steps, saw 992046 distinct states, run finished after 3001 ms. (steps per millisecond=526 ) properties seen :0
[2025-06-01 07:33:07] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2025-06-01 07:33:07] [INFO ] Invariant cache hit.
[2025-06-01 07:33:07] [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) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 65/76 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/76 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/76 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/76 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 3/79 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/79 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/79 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 90/169 variables, 50/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/169 variables, 16/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/169 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (OVERLAPS) 6/175 variables, 1/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/175 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 10/185 variables, 9/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/185 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 4/189 variables, 2/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/189 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 3/192 variables, 2/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 95 constraints, problems are : Problem set: 0 solved, 1 unsolved in 122 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 75/75 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, 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) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 65/76 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/76 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/76 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/76 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/76 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 3/79 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/79 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/79 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 90/169 variables, 50/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/169 variables, 16/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/169 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 6/175 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/175 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 10/185 variables, 9/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/185 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 4/189 variables, 2/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 3/192 variables, 2/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/192 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/192 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 192/192 variables, and 96 constraints, problems are : Problem set: 0 solved, 1 unsolved in 155 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 75/75 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 280ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 601 ms.
Support contains 1 out of 75 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 75/75 places, 192/192 transitions.
Applied a total of 0 rules in 2 ms. Remains 75 /75 variables (removed 0) and now considering 192/192 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 75/75 places, 192/192 transitions.
RANDOM walk for 40005 steps (8 resets) in 88 ms. (449 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (8 resets) in 34 ms. (1142 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :7.2014e+10 after 2.3967e+11
Interrupted probabilistic random walk after 1707175 steps, run timeout after 3001 ms. (steps per millisecond=568 ) properties seen :0 out of 1
Probabilistic random walk after 1707175 steps, saw 1070271 distinct states, run finished after 3001 ms. (steps per millisecond=568 ) properties seen :0
[2025-06-01 07:33:11] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2025-06-01 07:33:11] [INFO ] Invariant cache hit.
[2025-06-01 07:33:11] [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) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 65/76 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/76 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/76 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/76 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 3/79 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/79 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/79 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 90/169 variables, 50/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/169 variables, 16/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/169 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (OVERLAPS) 6/175 variables, 1/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/175 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 10/185 variables, 9/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/185 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 4/189 variables, 2/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/189 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 3/192 variables, 2/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 95 constraints, problems are : Problem set: 0 solved, 1 unsolved in 129 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 75/75 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, 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) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 65/76 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/76 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/76 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/76 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/76 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 3/79 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/79 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/79 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 90/169 variables, 50/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/169 variables, 16/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/169 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 6/175 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/175 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 10/185 variables, 9/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/185 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 4/189 variables, 2/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 3/192 variables, 2/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/192 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/192 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 192/192 variables, and 96 constraints, problems are : Problem set: 0 solved, 1 unsolved in 153 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 75/75 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 286ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 610 ms.
Support contains 1 out of 75 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 75/75 places, 192/192 transitions.
Applied a total of 0 rules in 2 ms. Remains 75 /75 variables (removed 0) and now considering 192/192 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 75/75 places, 192/192 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 75/75 places, 192/192 transitions.
Applied a total of 0 rules in 3 ms. Remains 75 /75 variables (removed 0) and now considering 192/192 (removed 0) transitions.
[2025-06-01 07:33:12] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2025-06-01 07:33:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:33:12] [INFO ] Implicit Places using invariants in 108 ms returned []
[2025-06-01 07:33:12] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2025-06-01 07:33:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:33:12] [INFO ] State equation strengthened by 17 read => feed constraints.
[2025-06-01 07:33:12] [INFO ] Implicit Places using invariants and state equation in 236 ms returned []
Implicit Place search using SMT with State Equation took 346 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 07:33:12] [INFO ] Redundant transitions in 1 ms returned []
Running 190 sub problems to find dead transitions.
[2025-06-01 07:33:12] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2025-06-01 07:33:12] [INFO ] Invariant cache hit.
[2025-06-01 07:33:12] [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) 0/75 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 117/192 variables, 75/78 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/192 variables, 17/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (OVERLAPS) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 95 constraints, problems are : Problem set: 0 solved, 190 unsolved in 4384 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 75/75 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints, 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) 0/75 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 117/192 variables, 75/78 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/192 variables, 17/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/192 variables, 190/285 constraints. Problems are: Problem set: 0 solved, 190 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:33:22] [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 07:33:22] [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) 0/192 variables, 2/287 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 0/287 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 7 (OVERLAPS) 0/192 variables, 0/287 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :2.3967e+11 after 5.74656e+11
After SMT solving in domain Int declared 192/192 variables, and 287 constraints, problems are : Problem set: 0 solved, 190 unsolved in 20181 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 75/75 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 24608ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 24608ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24963 ms. Remains : 75/75 places, 192/192 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 75 transitions
Reduce isomorphic transitions removed 75 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 0 with 81 rules applied. Total rules applied 81 place count 75 transition count 111
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 87 place count 69 transition count 111
Performed 11 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 11 Pre rules applied. Total rules applied 87 place count 69 transition count 100
Deduced a syphon composed of 11 places in 0 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 2 with 22 rules applied. Total rules applied 109 place count 58 transition count 100
Performed 17 Post agglomeration using F-continuation condition.Transition count delta: 17
Deduced a syphon composed of 17 places in 0 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 2 with 34 rules applied. Total rules applied 143 place count 41 transition count 83
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 150 place count 34 transition count 69
Iterating global reduction 2 with 7 rules applied. Total rules applied 157 place count 34 transition count 69
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 164 place count 27 transition count 55
Iterating global reduction 2 with 7 rules applied. Total rules applied 171 place count 27 transition count 55
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 178 place count 20 transition count 41
Iterating global reduction 2 with 7 rules applied. Total rules applied 185 place count 20 transition count 41
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 192 place count 20 transition count 34
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 192 place count 20 transition count 33
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 194 place count 19 transition count 33
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 196 place count 18 transition count 33
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 3 with 3 rules applied. Total rules applied 199 place count 18 transition count 30
Applied a total of 199 rules in 8 ms. Remains 18 /75 variables (removed 57) and now considering 30/192 (removed 162) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 30 rows 18 cols
[2025-06-01 07:33:37] [INFO ] Computed 3 invariants in 0 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 07:33:37] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 07:33:37] [INFO ] After 13ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2025-06-01 07:33:37] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-01 07:33:37] [INFO ] After 4ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-01 07:33:37] [INFO ] After 40ms 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 07:33:37] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 07:33:37] [INFO ] After 12ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-01 07:33:37] [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 07:33:37] [INFO ] After 7ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-01 07:33:37] [INFO ] After 45ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-01 07:33:37] [INFO ] Flatten gal took : 2 ms
[2025-06-01 07:33:37] [INFO ] Flatten gal took : 3 ms
[2025-06-01 07:33:37] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6216051731911557437.gal : 0 ms
[2025-06-01 07:33:37] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4027506056649133405.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/ReachabilityCardinality6216051731911557437.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4027506056649133405.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/ReachabilityCardinality4027506056649133405.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 17
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :17 after 126
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :126 after 615
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :615 after 8175
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :8175 after 23775
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :23775 after 54735
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :54735 after 116415
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :116415 after 239535
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :239535 after 485535
Detected timeout of ITS tools.
[2025-06-01 07:33:52] [INFO ] Flatten gal took : 2 ms
[2025-06-01 07:33:52] [INFO ] Applying decomposition
[2025-06-01 07:33:52] [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/graph11589331002603129587.txt' '-o' '/tmp/graph11589331002603129587.bin' '-w' '/tmp/graph11589331002603129587.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph11589331002603129587.bin' '-l' '-1' '-v' '-w' '/tmp/graph11589331002603129587.weights' '-q' '0' '-e' '0.001'
[2025-06-01 07:33:52] [INFO ] Decomposing Gal with order
[2025-06-01 07:33:52] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 07:33:52] [INFO ] Removed a total of 22 redundant transitions.
[2025-06-01 07:33:52] [INFO ] Flatten gal took : 4 ms
[2025-06-01 07:33:52] [INFO ] Fuse similar labels procedure discarded/fused a total of 2 labels/synchronizations in 1 ms.
[2025-06-01 07:33:52] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16471149331206143425.gal : 0 ms
[2025-06-01 07:33:52] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3629367954892589372.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/ReachabilityCardinality16471149331206143425.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3629367954892589372.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/ReachabilityCardinality3629367954892589372.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 17
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :17 after 90
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :90 after 655
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :655 after 34045
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :34045 after 1.17572e+06
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :1.17572e+06 after 1.44276e+07
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :1.44276e+07 after 1.39973e+08
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :1.39973e+08 after 1.22763e+09
Detected timeout of ITS tools.
[2025-06-01 07:33:54] [INFO ] Flatten gal took : 7 ms
[2025-06-01 07:33:54] [INFO ] Applying decomposition
[2025-06-01 07:33:54] [INFO ] Flatten gal took : 6 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph18301022678880430578.txt' '-o' '/tmp/graph18301022678880430578.bin' '-w' '/tmp/graph18301022678880430578.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph18301022678880430578.bin' '-l' '-1' '-v' '-w' '/tmp/graph18301022678880430578.weights' '-q' '0' '-e' '0.001'
[2025-06-01 07:33:54] [INFO ] Decomposing Gal with order
[2025-06-01 07:33:54] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 07:33:54] [INFO ] Removed a total of 322 redundant transitions.
[2025-06-01 07:33:54] [INFO ] Flatten gal took : 14 ms
[2025-06-01 07:33:54] [INFO ] Fuse similar labels procedure discarded/fused a total of 100 labels/synchronizations in 5 ms.
[2025-06-01 07:33:54] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10260000374652622869.gal : 1 ms
[2025-06-01 07:33:54] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16947987571236003398.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/ReachabilityCardinality10260000374652622869.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16947987571236003398.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/ReachabilityCardinality16947987571236003398.prop.
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :1.22763e+09 after 1.02724e+10
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30192 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:[640] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b008-UpperBounds-13 in 128616 ms.
Starting property specific reduction for FunctionPointer-PT-b008-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 07:34:07] [INFO ] Flow matrix only has 172 transitions (discarded 88 similar events)
// Phase 1: matrix 172 rows 107 cols
[2025-06-01 07:34:07] [INFO ] Computed 2 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 17 ms. (555 steps per ms)
BEST_FIRST walk for 10001 steps (4 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[+inf]
[2025-06-01 07:34:07] [INFO ] Flow matrix only has 172 transitions (discarded 88 similar events)
[2025-06-01 07:34:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 07:34:07] [INFO ] [Real]Absence check using 1 positive place invariants in 3 ms returned sat
[2025-06-01 07:34:07] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:34:07] [INFO ] [Real]Absence check using state equation in 59 ms returned sat
[2025-06-01 07:34:07] [INFO ] State equation strengthened by 35 read => feed constraints.
[2025-06-01 07:34:07] [INFO ] [Real]Added 35 Read/Feed constraints in 7 ms returned sat
[2025-06-01 07:34:07] [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 07:34:07] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-06-01 07:34:07] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:34:08] [INFO ] [Nat]Absence check using state equation in 57 ms returned sat
[2025-06-01 07:34:08] [INFO ] [Nat]Added 35 Read/Feed constraints in 7 ms returned sat
[2025-06-01 07:34:08] [INFO ] Computed and/alt/rep : 38/99/35 causal constraints (skipped 135 transitions) in 12 ms.
[2025-06-01 07:34:08] [INFO ] Added : 5 causal constraints over 3 iterations in 62 ms. Result :sat
Minimization took 34 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 107 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 107/107 places, 260/260 transitions.
Graph (complete) has 444 edges and 107 vertex of which 98 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.1 ms
Discarding 9 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 0 with 16 rules applied. Total rules applied 17 place count 98 transition count 244
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 20 place count 95 transition count 236
Iterating global reduction 1 with 3 rules applied. Total rules applied 23 place count 95 transition count 236
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 25 place count 95 transition count 234
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 28 place count 92 transition count 228
Iterating global reduction 2 with 3 rules applied. Total rules applied 31 place count 92 transition count 228
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 33 place count 90 transition count 222
Iterating global reduction 2 with 2 rules applied. Total rules applied 35 place count 90 transition count 222
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 37 place count 88 transition count 218
Iterating global reduction 2 with 2 rules applied. Total rules applied 39 place count 88 transition count 218
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 41 place count 86 transition count 214
Iterating global reduction 2 with 2 rules applied. Total rules applied 43 place count 86 transition count 214
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 45 place count 84 transition count 210
Iterating global reduction 2 with 2 rules applied. Total rules applied 47 place count 84 transition count 210
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 48 place count 83 transition count 208
Iterating global reduction 2 with 1 rules applied. Total rules applied 49 place count 83 transition count 208
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 50 place count 82 transition count 206
Iterating global reduction 2 with 1 rules applied. Total rules applied 51 place count 82 transition count 206
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 52 place count 81 transition count 204
Iterating global reduction 2 with 1 rules applied. Total rules applied 53 place count 81 transition count 204
Applied a total of 53 rules in 24 ms. Remains 81 /107 variables (removed 26) and now considering 204/260 (removed 56) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24 ms. Remains : 81/107 places, 204/260 transitions.
[2025-06-01 07:34:08] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {31=1, 63=1, 109=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {31=1, 63=1, 109=1, 123=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 46 ms. (steps per millisecond=217 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[3] Max Struct:[+inf]
[2025-06-01 07:34:08] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
// Phase 1: matrix 125 rows 81 cols
[2025-06-01 07:34:08] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[3] Max Struct:[+inf]
RANDOM walk for 1000002 steps (2 resets) in 1700 ms. (587 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 674 ms. (1481 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[734] Max Struct:[+inf]
[2025-06-01 07:34:10] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2025-06-01 07:34:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 07:34:10] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 07:34:10] [INFO ] [Real]Absence check using state equation in 45 ms returned sat
[2025-06-01 07:34:10] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 07:34:10] [INFO ] [Real]Added 18 Read/Feed constraints in 6 ms returned sat
[2025-06-01 07:34:10] [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 07:34:10] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 07:34:10] [INFO ] [Nat]Absence check using state equation in 42 ms returned sat
[2025-06-01 07:34:10] [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 07:34:10] [INFO ] Deduced a trap composed of 14 places in 74 ms of which 8 ms to minimize.
[2025-06-01 07:34:10] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 85 ms
[2025-06-01 07:34:10] [INFO ] Computed and/alt/rep : 59/193/53 causal constraints (skipped 70 transitions) in 10 ms.
[2025-06-01 07:34:11] [INFO ] Added : 13 causal constraints over 3 iterations in 58 ms. Result :sat
Minimization took 29 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[734] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[734] Max Struct:[+inf]
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 204/204 transitions.
Applied a total of 0 rules in 3 ms. Remains 81 /81 variables (removed 0) and now considering 204/204 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 81/81 places, 204/204 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 204/204 transitions.
Applied a total of 0 rules in 3 ms. Remains 81 /81 variables (removed 0) and now considering 204/204 (removed 0) transitions.
[2025-06-01 07:34:13] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2025-06-01 07:34:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:34:13] [INFO ] Implicit Places using invariants in 125 ms returned []
[2025-06-01 07:34:13] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2025-06-01 07:34:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:34:13] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 07:34:13] [INFO ] Implicit Places using invariants and state equation in 242 ms returned []
Implicit Place search using SMT with State Equation took 369 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 07:34:13] [INFO ] Redundant transitions in 1 ms returned []
Running 202 sub problems to find dead transitions.
[2025-06-01 07:34:13] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2025-06-01 07:34:13] [INFO ] Invariant cache hit.
[2025-06-01 07:34:13] [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) 0/81 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 2 (OVERLAPS) 125/206 variables, 81/84 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/206 variables, 18/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:34:17] [INFO ] Deduced a trap composed of 14 places in 57 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/206 variables, 1/103 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/206 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 6 (OVERLAPS) 0/206 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 202 unsolved
No progress, stopping.
After SMT solving in domain Real declared 206/206 variables, and 103 constraints, problems are : Problem set: 0 solved, 202 unsolved in 10924 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 202/202 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 202 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/81 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 3 (OVERLAPS) 125/206 variables, 81/85 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/206 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/206 variables, 202/305 constraints. Problems are: Problem set: 0 solved, 202 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:34:31] [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 07:34:31] [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 07:34:31] [INFO ] Deduced a trap along path composed of 3 places in 21 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/206 variables, 3/308 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/206 variables, 0/308 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 8 (OVERLAPS) 0/206 variables, 0/308 constraints. Problems are: Problem set: 0 solved, 202 unsolved
No progress, stopping.
After SMT solving in domain Int declared 206/206 variables, and 308 constraints, problems are : Problem set: 0 solved, 202 unsolved in 21118 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 202/202 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 32091ms problems are : Problem set: 0 solved, 202 unsolved
Search for dead transitions found 0 dead transitions in 32092ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 32471 ms. Remains : 81/81 places, 204/204 transitions.
[2025-06-01 07:34:46] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {31=1, 63=1, 109=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {31=1, 63=1, 109=1, 123=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 26 ms. (steps per millisecond=384 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[734] Max Struct:[+inf]
[2025-06-01 07:34:46] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2025-06-01 07:34:46] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[734] Max Struct:[+inf]
RANDOM walk for 1000004 steps (2 resets) in 1397 ms. (715 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:[734] Max Struct:[+inf]
[2025-06-01 07:34:48] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2025-06-01 07:34:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 07:34:48] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 07:34:48] [INFO ] [Real]Absence check using state equation in 44 ms returned sat
[2025-06-01 07:34:48] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 07:34:48] [INFO ] [Real]Added 18 Read/Feed constraints in 5 ms returned sat
[2025-06-01 07:34:48] [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 07:34:48] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 07:34:48] [INFO ] [Nat]Absence check using state equation in 44 ms returned sat
[2025-06-01 07:34:48] [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 07:34:48] [INFO ] Deduced a trap composed of 14 places in 101 ms of which 13 ms to minimize.
[2025-06-01 07:34:48] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 112 ms
[2025-06-01 07:34:48] [INFO ] Computed and/alt/rep : 59/193/53 causal constraints (skipped 70 transitions) in 10 ms.
[2025-06-01 07:34:48] [INFO ] Added : 13 causal constraints over 3 iterations in 54 ms. Result :sat
Minimization took 29 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[734] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[734] Max Struct:[+inf]
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 204/204 transitions.
Applied a total of 0 rules in 5 ms. Remains 81 /81 variables (removed 0) and now considering 204/204 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 81/81 places, 204/204 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 204/204 transitions.
Applied a total of 0 rules in 3 ms. Remains 81 /81 variables (removed 0) and now considering 204/204 (removed 0) transitions.
[2025-06-01 07:34:51] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2025-06-01 07:34:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:34:51] [INFO ] Implicit Places using invariants in 154 ms returned []
[2025-06-01 07:34:51] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2025-06-01 07:34:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:34:51] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 07:34:51] [INFO ] Implicit Places using invariants and state equation in 309 ms returned []
Implicit Place search using SMT with State Equation took 466 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 07:34:51] [INFO ] Redundant transitions in 1 ms returned []
Running 202 sub problems to find dead transitions.
[2025-06-01 07:34:51] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2025-06-01 07:34:51] [INFO ] Invariant cache hit.
[2025-06-01 07:34:51] [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) 0/81 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 2 (OVERLAPS) 125/206 variables, 81/84 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/206 variables, 18/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:34:56] [INFO ] Deduced a trap composed of 14 places in 65 ms of which 4 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/206 variables, 1/103 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/206 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 6 (OVERLAPS) 0/206 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 202 unsolved
No progress, stopping.
After SMT solving in domain Real declared 206/206 variables, and 103 constraints, problems are : Problem set: 0 solved, 202 unsolved in 11610 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 202/202 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 202 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/81 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 3 (OVERLAPS) 125/206 variables, 81/85 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/206 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/206 variables, 202/305 constraints. Problems are: Problem set: 0 solved, 202 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:35:08] [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 07:35:08] [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 07:35:08] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/206 variables, 3/308 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/206 variables, 0/308 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 8 (OVERLAPS) 0/206 variables, 0/308 constraints. Problems are: Problem set: 0 solved, 202 unsolved
No progress, stopping.
After SMT solving in domain Int declared 206/206 variables, and 308 constraints, problems are : Problem set: 0 solved, 202 unsolved in 19553 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 202/202 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 31211ms problems are : Problem set: 0 solved, 202 unsolved
Search for dead transitions found 0 dead transitions in 31211ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31686 ms. Remains : 81/81 places, 204/204 transitions.
[2025-06-01 07:35:22] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {31=1, 63=1, 109=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {31=1, 63=1, 109=1, 123=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 27 ms. (steps per millisecond=370 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[734] Max Struct:[+inf]
[2025-06-01 07:35:23] [INFO ] Flatten gal took : 8 ms
[2025-06-01 07:35:23] [INFO ] Flatten gal took : 7 ms
[2025-06-01 07:35:23] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14675000811566142059.gal : 2 ms
[2025-06-01 07:35:23] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5891656503266226777.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/ReachabilityCardinality14675000811566142059.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5891656503266226777.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/ReachabilityCardinality5891656503266226777.prop.
RANDOM walk for 40008 steps (8 resets) in 88 ms. (449 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 40004 steps (8 resets) in 36 ms. (1081 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :31 after 1039
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1039 after 145682
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :145682 after 3.82074e+07
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :3.82074e+07 after 1.42186e+08
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :1.42186e+08 after 3.10189e+08
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :3.10189e+08 after 6.03608e+08
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :6.03608e+08 after 6.57604e+10
Interrupted probabilistic random walk after 1400975 steps, run timeout after 3001 ms. (steps per millisecond=466 ) properties seen :0 out of 1
Probabilistic random walk after 1400975 steps, saw 872055 distinct states, run finished after 3007 ms. (steps per millisecond=465 ) properties seen :0
[2025-06-01 07:35:26] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2025-06-01 07:35:26] [INFO ] Invariant cache hit.
[2025-06-01 07:35:26] [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) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 71/82 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/82 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/92 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/92 variables, 4/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/92 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 97/189 variables, 57/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/189 variables, 18/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/189 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 6/195 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/195 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 10/205 variables, 10/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/205 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/206 variables, 1/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 206/206 variables, and 102 constraints, problems are : Problem set: 0 solved, 1 unsolved in 163 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, 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) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 71/82 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/82 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/82 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 10/92 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/92 variables, 4/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/92 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 97/189 variables, 57/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/189 variables, 18/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/189 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 6/195 variables, 1/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/195 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 10/205 variables, 10/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:35:26] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 1 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/205 variables, 1/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/205 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 1/206 variables, 1/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/206 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/206 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 206/206 variables, and 104 constraints, problems are : Problem set: 0 solved, 1 unsolved in 225 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 397ms problems are : Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :6.57604e+10 after 2.1747e+11
Parikh walk visited 0 properties in 2004 ms.
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 204/204 transitions.
Applied a total of 0 rules in 5 ms. Remains 81 /81 variables (removed 0) and now considering 204/204 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 81/81 places, 204/204 transitions.
RANDOM walk for 40009 steps (8 resets) in 100 ms. (396 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 44 ms. (888 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1530846 steps, run timeout after 3001 ms. (steps per millisecond=510 ) properties seen :0 out of 1
Probabilistic random walk after 1530846 steps, saw 952893 distinct states, run finished after 3001 ms. (steps per millisecond=510 ) properties seen :0
[2025-06-01 07:35:31] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2025-06-01 07:35:31] [INFO ] Invariant cache hit.
[2025-06-01 07:35:31] [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) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 71/82 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/82 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/92 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/92 variables, 4/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/92 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 97/189 variables, 57/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/189 variables, 18/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/189 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 6/195 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/195 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 10/205 variables, 10/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/205 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/206 variables, 1/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 206/206 variables, and 102 constraints, problems are : Problem set: 0 solved, 1 unsolved in 131 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, 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) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 71/82 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/82 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/82 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 10/92 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/92 variables, 4/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/92 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 97/189 variables, 57/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/189 variables, 18/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/189 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 6/195 variables, 1/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/195 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 10/205 variables, 10/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:35:31] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 0 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/205 variables, 1/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/205 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 1/206 variables, 1/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/206 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/206 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 206/206 variables, and 104 constraints, problems are : Problem set: 0 solved, 1 unsolved in 189 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 327ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 1620 ms.
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 204/204 transitions.
Applied a total of 0 rules in 4 ms. Remains 81 /81 variables (removed 0) and now considering 204/204 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 81/81 places, 204/204 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 204/204 transitions.
Applied a total of 0 rules in 3 ms. Remains 81 /81 variables (removed 0) and now considering 204/204 (removed 0) transitions.
[2025-06-01 07:35:33] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2025-06-01 07:35:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:35:33] [INFO ] Implicit Places using invariants in 121 ms returned []
[2025-06-01 07:35:33] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2025-06-01 07:35:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:35:33] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 07:35:33] [INFO ] Implicit Places using invariants and state equation in 242 ms returned []
Implicit Place search using SMT with State Equation took 366 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 07:35:33] [INFO ] Redundant transitions in 0 ms returned []
Running 202 sub problems to find dead transitions.
[2025-06-01 07:35:33] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2025-06-01 07:35:33] [INFO ] Invariant cache hit.
[2025-06-01 07:35:33] [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) 0/81 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 2 (OVERLAPS) 125/206 variables, 81/84 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/206 variables, 18/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:35:37] [INFO ] Deduced a trap composed of 14 places in 66 ms of which 4 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/206 variables, 1/103 constraints. Problems are: Problem set: 0 solved, 202 unsolved
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :2.1747e+11 after 5.20592e+11
At refinement iteration 5 (INCLUDED_ONLY) 0/206 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 6 (OVERLAPS) 0/206 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 202 unsolved
No progress, stopping.
After SMT solving in domain Real declared 206/206 variables, and 103 constraints, problems are : Problem set: 0 solved, 202 unsolved in 9975 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 202/202 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 202 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/81 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 3 (OVERLAPS) 125/206 variables, 81/85 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/206 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/206 variables, 202/305 constraints. Problems are: Problem set: 0 solved, 202 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:35:48] [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 07:35:48] [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 07:35:48] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/206 variables, 3/308 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/206 variables, 0/308 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 8 (OVERLAPS) 0/206 variables, 0/308 constraints. Problems are: Problem set: 0 solved, 202 unsolved
No progress, stopping.
After SMT solving in domain Int declared 206/206 variables, and 308 constraints, problems are : Problem set: 0 solved, 202 unsolved in 24247 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 202/202 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 34280ms problems are : Problem set: 0 solved, 202 unsolved
Search for dead transitions found 0 dead transitions in 34281ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34656 ms. Remains : 81/81 places, 204/204 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 79 transitions
Reduce isomorphic transitions removed 79 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 7 transitions
Trivial Post-agglo rules discarded 7 transitions
Performed 7 trivial Post agglomeration. Transition count delta: 7
Iterating post reduction 0 with 86 rules applied. Total rules applied 86 place count 81 transition count 118
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 93 place count 74 transition count 118
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 16 Pre rules applied. Total rules applied 93 place count 74 transition count 102
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 125 place count 58 transition count 102
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: 15
Deduced a syphon composed of 15 places in 0 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 2 with 30 rules applied. Total rules applied 155 place count 43 transition count 87
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 162 place count 36 transition count 73
Iterating global reduction 2 with 7 rules applied. Total rules applied 169 place count 36 transition count 73
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 176 place count 29 transition count 59
Iterating global reduction 2 with 7 rules applied. Total rules applied 183 place count 29 transition count 59
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 190 place count 22 transition count 45
Iterating global reduction 2 with 7 rules applied. Total rules applied 197 place count 22 transition count 45
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 204 place count 22 transition count 38
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 204 place count 22 transition count 37
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 206 place count 21 transition count 37
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 208 place count 20 transition count 37
Applied a total of 208 rules in 13 ms. Remains 20 /81 variables (removed 61) and now considering 37/204 (removed 167) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 37 rows 20 cols
[2025-06-01 07:36:08] [INFO ] Computed 3 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 07:36:08] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 07:36:08] [INFO ] After 26ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2025-06-01 07:36:08] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-01 07:36:08] [INFO ] After 4ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-01 07:36:08] [INFO ] After 65ms 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 07:36:08] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 07:36:08] [INFO ] After 15ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-01 07:36:08] [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 07:36:08] [INFO ] After 8ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-01 07:36:08] [INFO ] After 63ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-01 07:36:08] [INFO ] Flatten gal took : 8 ms
[2025-06-01 07:36:08] [INFO ] Flatten gal took : 1 ms
[2025-06-01 07:36:08] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4870823528485183738.gal : 0 ms
[2025-06-01 07:36:08] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15730686768032867169.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/ReachabilityCardinality4870823528485183738.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15730686768032867169.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/ReachabilityCardinality15730686768032867169.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 17
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :17 after 288
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :288 after 14700
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :14700 after 90900
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :90900 after 432180
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :432180 after 1.86018e+06
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :1.86018e+06 after 7.68126e+06
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :7.68126e+06 after 3.1151e+07
Detected timeout of ITS tools.
[2025-06-01 07:36:13] [INFO ] Flatten gal took : 7 ms
[2025-06-01 07:36:13] [INFO ] Applying decomposition
[2025-06-01 07:36:13] [INFO ] Flatten gal took : 6 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph17687462792710328437.txt' '-o' '/tmp/graph17687462792710328437.bin' '-w' '/tmp/graph17687462792710328437.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph17687462792710328437.bin' '-l' '-1' '-v' '-w' '/tmp/graph17687462792710328437.weights' '-q' '0' '-e' '0.001'
[2025-06-01 07:36:13] [INFO ] Decomposing Gal with order
[2025-06-01 07:36:13] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 07:36:13] [INFO ] Removed a total of 346 redundant transitions.
[2025-06-01 07:36:13] [INFO ] Flatten gal took : 16 ms
[2025-06-01 07:36:13] [INFO ] Fuse similar labels procedure discarded/fused a total of 114 labels/synchronizations in 6 ms.
[2025-06-01 07:36:13] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11698312613046883441.gal : 2 ms
[2025-06-01 07:36:13] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7606568667049499290.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/ReachabilityCardinality11698312613046883441.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7606568667049499290.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/ReachabilityCardinality7606568667049499290.prop.
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :3.1151e+07 after 1.25338e+08
Detected timeout of ITS tools.
[2025-06-01 07:36:23] [INFO ] Flatten gal took : 2 ms
[2025-06-01 07:36:23] [INFO ] Applying decomposition
[2025-06-01 07:36:23] [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/graph3624886372320594578.txt' '-o' '/tmp/graph3624886372320594578.bin' '-w' '/tmp/graph3624886372320594578.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph3624886372320594578.bin' '-l' '-1' '-v' '-w' '/tmp/graph3624886372320594578.weights' '-q' '0' '-e' '0.001'
[2025-06-01 07:36:23] [INFO ] Decomposing Gal with order
[2025-06-01 07:36:23] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 07:36:23] [INFO ] Removed a total of 30 redundant transitions.
[2025-06-01 07:36:23] [INFO ] Flatten gal took : 4 ms
[2025-06-01 07:36:23] [INFO ] Fuse similar labels procedure discarded/fused a total of 8 labels/synchronizations in 1 ms.
[2025-06-01 07:36:23] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17186250950320199468.gal : 1 ms
[2025-06-01 07:36:23] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality18010298525491832385.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/ReachabilityCardinality17186250950320199468.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality18010298525491832385.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/ReachabilityCardinality18010298525491832385.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 17
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :17 after 90
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :90 after 2756
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :2756 after 15716
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :15716 after 56756
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :56756 after 213716
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :213716 after 812756
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :812756 after 3.2154e+06
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30319 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[734] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b008-UpperBounds-14 in 150744 ms.
[2025-06-01 07:36:38] [INFO ] Flatten gal took : 13 ms
[2025-06-01 07:36:38] [INFO ] Applying decomposition
[2025-06-01 07:36:38] [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/graph15684971330320616339.txt' '-o' '/tmp/graph15684971330320616339.bin' '-w' '/tmp/graph15684971330320616339.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph15684971330320616339.bin' '-l' '-1' '-v' '-w' '/tmp/graph15684971330320616339.weights' '-q' '0' '-e' '0.001'
[2025-06-01 07:36:38] [INFO ] Decomposing Gal with order
[2025-06-01 07:36:38] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 07:36:38] [INFO ] Removed a total of 438 redundant transitions.
[2025-06-01 07:36:38] [INFO ] Flatten gal took : 21 ms
[2025-06-01 07:36:38] [INFO ] Fuse similar labels procedure discarded/fused a total of 141 labels/synchronizations in 5 ms.
[2025-06-01 07:36:38] [INFO ] Time to serialize gal into /tmp/UpperBounds392861146420470898.gal : 2 ms
[2025-06-01 07:36:38] [INFO ] Time to serialize properties into /tmp/UpperBounds12901271742921886436.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/UpperBounds392861146420470898.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds12901271742921886436.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 ...283
Loading property file /tmp/UpperBounds12901271742921886436.prop.
Detected timeout of ITS tools.
[2025-06-01 08:02:43] [INFO ] Flatten gal took : 9 ms
[2025-06-01 08:02:43] [INFO ] Time to serialize gal into /tmp/UpperBounds16049604446891358907.gal : 2 ms
[2025-06-01 08:02:43] [INFO ] Time to serialize properties into /tmp/UpperBounds840713810007430037.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/UpperBounds16049604446891358907.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds840713810007430037.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 ...304
Loading property file /tmp/UpperBounds840713810007430037.prop.
BK_TIME_CONFINEMENT_REACHED
--------------------
content from stderr:
+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
Sequence of Actions to be Executed by the VM
This is useful if one wants to reexecute the tool in the VM from the submitted image disk.
set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="FunctionPointer-PT-b008"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="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-b008, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r100-smll-174867007300077"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/FunctionPointer-PT-b008.tgz
mv FunctionPointer-PT-b008 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "UpperBounds.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '
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 ;