About the Execution of 2025-gold for DoubleLock-PT-p2s2
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 11791.899 | 3600000.00 | 3949903.00 | 19633.00 | 1 1 1 1 1 1 1 ? ? 1 1 1 1 0 0 0 | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2026-input.r127-smll-177955743800005.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool gold2025
Input is DoubleLock-PT-p2s2, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r127-smll-177955743800005
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.2M
-rw-r--r-- 1 mcc users 6.4K Mar 6 18:09 CTLCardinality.txt
-rw-r--r-- 1 mcc users 67K Mar 6 18:09 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.5K Mar 6 18:09 CTLFireability.txt
-rw-r--r-- 1 mcc users 49K Mar 6 18:09 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K Mar 15 09:39 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 09:39 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 09:39 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 09:39 LTLFireability.xml
-rw-r--r-- 1 mcc users 6.8K Mar 6 18:09 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 62K Mar 6 18:09 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Mar 6 18:09 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 102K Mar 6 18:09 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 09:39 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 09:39 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 813K Mar 3 18:30 model.pnml
--------------------
content from stdout:
=== Data for post analysis generated by BenchKit (invocation template)
The expected result is a vector of positive values
NUM_VECTOR
echo here is the order used to build the result vector(from xml file)
FORMULA_NAME DoubleLock-PT-p2s2-UpperBounds-00
FORMULA_NAME DoubleLock-PT-p2s2-UpperBounds-01
FORMULA_NAME DoubleLock-PT-p2s2-UpperBounds-02
FORMULA_NAME DoubleLock-PT-p2s2-UpperBounds-03
FORMULA_NAME DoubleLock-PT-p2s2-UpperBounds-04
FORMULA_NAME DoubleLock-PT-p2s2-UpperBounds-05
FORMULA_NAME DoubleLock-PT-p2s2-UpperBounds-06
FORMULA_NAME DoubleLock-PT-p2s2-UpperBounds-07
FORMULA_NAME DoubleLock-PT-p2s2-UpperBounds-08
FORMULA_NAME DoubleLock-PT-p2s2-UpperBounds-09
FORMULA_NAME DoubleLock-PT-p2s2-UpperBounds-10
FORMULA_NAME DoubleLock-PT-p2s2-UpperBounds-11
FORMULA_NAME DoubleLock-PT-p2s2-UpperBounds-12
FORMULA_NAME DoubleLock-PT-p2s2-UpperBounds-13
FORMULA_NAME DoubleLock-PT-p2s2-UpperBounds-14
FORMULA_NAME DoubleLock-PT-p2s2-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1779561627517
Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DoubleLock-PT-p2s2
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-23 18:40:29] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-23 18:40:29] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 18:40:29] [INFO ] Load time of PNML (sax parser for PT used): 306 ms
[2026-05-23 18:40:29] [INFO ] Transformed 184 places.
[2026-05-23 18:40:30] [INFO ] Transformed 1832 transitions.
[2026-05-23 18:40:30] [INFO ] Parsed PT model containing 184 places and 1832 transitions and 7424 arcs in 518 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 12 ms.
Deduced a syphon composed of 36 places in 13 ms
Reduce places removed 36 places and 64 transitions.
FORMULA DoubleLock-PT-p2s2-UpperBounds-13 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DoubleLock-PT-p2s2-UpperBounds-14 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DoubleLock-PT-p2s2-UpperBounds-15 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2026-05-23 18:40:30] [INFO ] Flow matrix only has 1225 transitions (discarded 543 similar events)
// Phase 1: matrix 1225 rows 148 cols
[2026-05-23 18:40:30] [INFO ] Computed 4 invariants in 107 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, +inf, +inf, 1, 1, 1, 1]
RANDOM walk for 10000 steps (104 resets) in 94 ms. (105 steps per ms)
FORMULA DoubleLock-PT-p2s2-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p2s2-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p2s2-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p2s2-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p2s2-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p2s2-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p2s2-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p2s2-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p2s2-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p2s2-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p2s2-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 30003 steps (61 resets) in 64 ms. (461 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[6, 2] Max Struct:[+inf, +inf]
[2026-05-23 18:40:30] [INFO ] Flow matrix only has 1225 transitions (discarded 543 similar events)
[2026-05-23 18:40:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 18:40:30] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2026-05-23 18:40:30] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-23 18:40:31] [INFO ] [Real]Absence check using state equation in 555 ms returned sat
[2026-05-23 18:40:31] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 18:40:31] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2026-05-23 18:40:31] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 10 ms returned sat
[2026-05-23 18:40:32] [INFO ] [Nat]Absence check using state equation in 610 ms returned sat
[2026-05-23 18:40:32] [INFO ] State equation strengthened by 116 read => feed constraints.
[2026-05-23 18:40:32] [INFO ] [Nat]Added 116 Read/Feed constraints in 531 ms returned sat
[2026-05-23 18:40:33] [INFO ] Computed and/alt/rep : 164/1284/164 causal constraints (skipped 1059 transitions) in 303 ms.
[2026-05-23 18:40:33] [INFO ] Added : 0 causal constraints over 0 iterations in 463 ms. Result :sat
Minimization took 671 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 18:40:34] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2026-05-23 18:40:34] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-23 18:40:34] [INFO ] [Real]Absence check using state equation in 358 ms returned sat
[2026-05-23 18:40:34] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 18:40:34] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2026-05-23 18:40:34] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-23 18:40:34] [INFO ] [Nat]Absence check using state equation in 337 ms returned sat
[2026-05-23 18:40:35] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-23 18:40:35] [INFO ] [Nat]Added 116 Read/Feed constraints in 616 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 18:40:36] [INFO ] Deduced a trap composed of 56 places in 469 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 18:40:36] [INFO ] Deduced a trap composed of 56 places in 442 ms of which 35 ms to minimize.
[2026-05-23 18:40:36] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1070 ms
[2026-05-23 18:40:36] [INFO ] Computed and/alt/rep : 164/1284/164 causal constraints (skipped 1059 transitions) in 139 ms.
[2026-05-23 18:40:36] [INFO ] Added : 0 causal constraints over 0 iterations in 247 ms. Result :sat
Minimization took 616 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[6, 2] Max Struct:[+inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[6, 2] Max Struct:[+inf, +inf]
Support contains 2 out of 148 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 148/148 places, 1768/1768 transitions.
Graph (complete) has 2955 edges and 148 vertex of which 144 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.8 ms
Discarding 4 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 144 transition count 1736
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 34 place count 143 transition count 1704
Iterating global reduction 1 with 1 rules applied. Total rules applied 35 place count 143 transition count 1704
Applied a total of 35 rules in 164 ms. Remains 143 /148 variables (removed 5) and now considering 1704/1768 (removed 64) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 175 ms. Remains : 143/148 places, 1704/1768 transitions.
[2026-05-23 18:40:37] [INFO ] Flow matrix only has 1161 transitions (discarded 543 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {12=2, 18=1, 29=1, 710=1, 711=1, 1137=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {18=1, 29=1, 680=1, 681=1, 1108=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 162 resets, run finished after 97 ms. (steps per millisecond=103 ) properties (out of 2) seen :[5, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[6, 2] Max Struct:[+inf, +inf]
[2026-05-23 18:40:38] [INFO ] Flow matrix only has 1161 transitions (discarded 543 similar events)
// Phase 1: matrix 1161 rows 143 cols
[2026-05-23 18:40:38] [INFO ] Computed 3 invariants in 16 ms
Current structural bounds on expressions (after invariants) : Max Seen:[6, 2] Max Struct:[+inf, +inf]
RANDOM walk for 1000000 steps (10117 resets) in 1967 ms. (508 steps per ms)
BEST_FIRST walk for 2000002 steps (3469 resets) in 1316 ms. (1518 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[27, 2] Max Struct:[+inf, +inf]
[2026-05-23 18:40:42] [INFO ] Flow matrix only has 1161 transitions (discarded 543 similar events)
[2026-05-23 18:40:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 18:40:42] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2026-05-23 18:40:42] [INFO ] [Real]Absence check using state equation in 395 ms returned sat
[2026-05-23 18:40:42] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 18:40:42] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2026-05-23 18:40:43] [INFO ] [Nat]Absence check using state equation in 379 ms returned sat
[2026-05-23 18:40:43] [INFO ] State equation strengthened by 116 read => feed constraints.
[2026-05-23 18:40:43] [INFO ] [Nat]Added 116 Read/Feed constraints in 260 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 18:40:43] [INFO ] Deduced a trap composed of 54 places in 350 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 18:40:44] [INFO ] Deduced a trap composed of 54 places in 340 ms of which 28 ms to minimize.
[2026-05-23 18:40:44] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 812 ms
[2026-05-23 18:40:44] [INFO ] Computed and/alt/rep : 148/1140/148 causal constraints (skipped 1011 transitions) in 114 ms.
[2026-05-23 18:40:44] [INFO ] Added : 2 causal constraints over 2 iterations in 339 ms. Result :sat
Minimization took 1287 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 18:40:45] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2026-05-23 18:40:46] [INFO ] [Real]Absence check using state equation in 345 ms returned sat
[2026-05-23 18:40:46] [INFO ] [Real]Added 116 Read/Feed constraints in 103 ms returned sat
[2026-05-23 18:40:46] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 18:40:46] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2026-05-23 18:40:46] [INFO ] [Nat]Absence check using state equation in 337 ms returned sat
[2026-05-23 18:40:47] [INFO ] [Nat]Added 116 Read/Feed constraints in 347 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 18:40:47] [INFO ] Deduced a trap composed of 54 places in 365 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 18:40:47] [INFO ] Deduced a trap composed of 61 places in 203 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 18:40:48] [INFO ] Deduced a trap composed of 54 places in 364 ms of which 21 ms to minimize.
[2026-05-23 18:40:48] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 1068 ms
[2026-05-23 18:40:48] [INFO ] Computed and/alt/rep : 148/1140/148 causal constraints (skipped 1011 transitions) in 125 ms.
[2026-05-23 18:40:48] [INFO ] Added : 0 causal constraints over 0 iterations in 230 ms. Result :sat
Minimization took 2572 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[27, 2] Max Struct:[+inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[27, 2] Max Struct:[+inf, +inf]
Support contains 2 out of 143 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 143/143 places, 1704/1704 transitions.
Applied a total of 0 rules in 49 ms. Remains 143 /143 variables (removed 0) and now considering 1704/1704 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 51 ms. Remains : 143/143 places, 1704/1704 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 143/143 places, 1704/1704 transitions.
Applied a total of 0 rules in 47 ms. Remains 143 /143 variables (removed 0) and now considering 1704/1704 (removed 0) transitions.
[2026-05-23 18:40:51] [INFO ] Flow matrix only has 1161 transitions (discarded 543 similar events)
[2026-05-23 18:40:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 18:40:51] [INFO ] Implicit Places using invariants in 416 ms returned []
[2026-05-23 18:40:51] [INFO ] Flow matrix only has 1161 transitions (discarded 543 similar events)
[2026-05-23 18:40:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 18:40:52] [INFO ] State equation strengthened by 116 read => feed constraints.
[2026-05-23 18:40:53] [INFO ] Implicit Places using invariants and state equation in 1529 ms returned []
Implicit Place search using SMT with State Equation took 1958 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 18:40:53] [INFO ] Redundant transitions in 128 ms returned []
Running 1702 sub problems to find dead transitions.
[2026-05-23 18:40:53] [INFO ] Flow matrix only has 1161 transitions (discarded 543 similar events)
[2026-05-23 18:40:53] [INFO ] Invariant cache hit.
[2026-05-23 18:40:53] [INFO ] State equation strengthened by 116 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/143 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1702 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 18:41:13] [INFO ] Deduced a trap composed of 88 places in 224 ms of which 8 ms to minimize.
Problem TDEAD1096 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 18:41:13] [INFO ] Deduced a trap composed of 87 places in 210 ms of which 8 ms to minimize.
Problem TDEAD1097 is UNSAT
Problem TDEAD1098 is UNSAT
Problem TDEAD1099 is UNSAT
Problem TDEAD1104 is UNSAT
Problem TDEAD1105 is UNSAT
Problem TDEAD1106 is UNSAT
Problem TDEAD1111 is UNSAT
Problem TDEAD1115 is UNSAT
Problem TDEAD1120 is UNSAT
Problem TDEAD1128 is UNSAT
Problem TDEAD1129 is UNSAT
Problem TDEAD1130 is UNSAT
Problem TDEAD1131 is UNSAT
Problem TDEAD1136 is UNSAT
Problem TDEAD1137 is UNSAT
Problem TDEAD1138 is UNSAT
Problem TDEAD1143 is UNSAT
Problem TDEAD1147 is UNSAT
Problem TDEAD1152 is UNSAT
Problem TDEAD1162 is UNSAT
Problem TDEAD1163 is UNSAT
Problem TDEAD1171 is UNSAT
Problem TDEAD1172 is UNSAT
Problem TDEAD1177 is UNSAT
Problem TDEAD1178 is UNSAT
Problem TDEAD1179 is UNSAT
Problem TDEAD1180 is UNSAT
Problem TDEAD1185 is UNSAT
Problem TDEAD1186 is UNSAT
Problem TDEAD1187 is UNSAT
Problem TDEAD1194 is UNSAT
Problem TDEAD1195 is UNSAT
Problem TDEAD1203 is UNSAT
Problem TDEAD1204 is UNSAT
Problem TDEAD1209 is UNSAT
Problem TDEAD1210 is UNSAT
Problem TDEAD1211 is UNSAT
Problem TDEAD1212 is UNSAT
Problem TDEAD1217 is UNSAT
Problem TDEAD1218 is UNSAT
Problem TDEAD1219 is UNSAT
Problem TDEAD1224 is UNSAT
Problem TDEAD1225 is UNSAT
Problem TDEAD1226 is UNSAT
Problem TDEAD1227 is UNSAT
Problem TDEAD1232 is UNSAT
Problem TDEAD1233 is UNSAT
Problem TDEAD1234 is UNSAT
Problem TDEAD1239 is UNSAT
Problem TDEAD1243 is UNSAT
Problem TDEAD1248 is UNSAT
Problem TDEAD1256 is UNSAT
Problem TDEAD1257 is UNSAT
Problem TDEAD1258 is UNSAT
Problem TDEAD1259 is UNSAT
Problem TDEAD1264 is UNSAT
Problem TDEAD1265 is UNSAT
Problem TDEAD1266 is UNSAT
Problem TDEAD1271 is UNSAT
Problem TDEAD1275 is UNSAT
Problem TDEAD1280 is UNSAT
Problem TDEAD1290 is UNSAT
Problem TDEAD1291 is UNSAT
Problem TDEAD1299 is UNSAT
Problem TDEAD1300 is UNSAT
Problem TDEAD1305 is UNSAT
Problem TDEAD1306 is UNSAT
Problem TDEAD1307 is UNSAT
Problem TDEAD1308 is UNSAT
Problem TDEAD1313 is UNSAT
Problem TDEAD1314 is UNSAT
Problem TDEAD1315 is UNSAT
Problem TDEAD1322 is UNSAT
Problem TDEAD1323 is UNSAT
Problem TDEAD1331 is UNSAT
Problem TDEAD1332 is UNSAT
Problem TDEAD1337 is UNSAT
Problem TDEAD1338 is UNSAT
Problem TDEAD1339 is UNSAT
Problem TDEAD1340 is UNSAT
Problem TDEAD1345 is UNSAT
Problem TDEAD1346 is UNSAT
Problem TDEAD1347 is UNSAT
Problem TDEAD1352 is UNSAT
Problem TDEAD1353 is UNSAT
Problem TDEAD1354 is UNSAT
Problem TDEAD1355 is UNSAT
Problem TDEAD1360 is UNSAT
Problem TDEAD1361 is UNSAT
Problem TDEAD1362 is UNSAT
Problem TDEAD1367 is UNSAT
Problem TDEAD1371 is UNSAT
Problem TDEAD1376 is UNSAT
Problem TDEAD1384 is UNSAT
Problem TDEAD1385 is UNSAT
Problem TDEAD1386 is UNSAT
Problem TDEAD1387 is UNSAT
Problem TDEAD1392 is UNSAT
Problem TDEAD1393 is UNSAT
Problem TDEAD1394 is UNSAT
Problem TDEAD1399 is UNSAT
Problem TDEAD1403 is UNSAT
Problem TDEAD1408 is UNSAT
Problem TDEAD1418 is UNSAT
Problem TDEAD1419 is UNSAT
Problem TDEAD1427 is UNSAT
Problem TDEAD1428 is UNSAT
Problem TDEAD1433 is UNSAT
Problem TDEAD1434 is UNSAT
Problem TDEAD1435 is UNSAT
Problem TDEAD1436 is UNSAT
Problem TDEAD1441 is UNSAT
Problem TDEAD1442 is UNSAT
Problem TDEAD1443 is UNSAT
Problem TDEAD1450 is UNSAT
Problem TDEAD1451 is UNSAT
Problem TDEAD1459 is UNSAT
Problem TDEAD1460 is UNSAT
Problem TDEAD1465 is UNSAT
Problem TDEAD1466 is UNSAT
Problem TDEAD1467 is UNSAT
Problem TDEAD1468 is UNSAT
Problem TDEAD1473 is UNSAT
Problem TDEAD1474 is UNSAT
Problem TDEAD1475 is UNSAT
Problem TDEAD1480 is UNSAT
Problem TDEAD1481 is UNSAT
Problem TDEAD1482 is UNSAT
Problem TDEAD1483 is UNSAT
Problem TDEAD1488 is UNSAT
Problem TDEAD1489 is UNSAT
Problem TDEAD1490 is UNSAT
Problem TDEAD1495 is UNSAT
Problem TDEAD1499 is UNSAT
Problem TDEAD1504 is UNSAT
Problem TDEAD1512 is UNSAT
Problem TDEAD1513 is UNSAT
Problem TDEAD1514 is UNSAT
Problem TDEAD1515 is UNSAT
Problem TDEAD1520 is UNSAT
Problem TDEAD1521 is UNSAT
Problem TDEAD1522 is UNSAT
Problem TDEAD1527 is UNSAT
Problem TDEAD1531 is UNSAT
Problem TDEAD1536 is UNSAT
Problem TDEAD1546 is UNSAT
Problem TDEAD1547 is UNSAT
Problem TDEAD1555 is UNSAT
Problem TDEAD1556 is UNSAT
Problem TDEAD1561 is UNSAT
Problem TDEAD1562 is UNSAT
Problem TDEAD1563 is UNSAT
Problem TDEAD1564 is UNSAT
Problem TDEAD1569 is UNSAT
Problem TDEAD1570 is UNSAT
Problem TDEAD1571 is UNSAT
Problem TDEAD1578 is UNSAT
Problem TDEAD1579 is UNSAT
Problem TDEAD1587 is UNSAT
Problem TDEAD1588 is UNSAT
Problem TDEAD1593 is UNSAT
Problem TDEAD1594 is UNSAT
Problem TDEAD1595 is UNSAT
Problem TDEAD1596 is UNSAT
Problem TDEAD1601 is UNSAT
Problem TDEAD1602 is UNSAT
Problem TDEAD1603 is UNSAT
At refinement iteration 1 (INCLUDED_ONLY) 0/143 variables, 2/5 constraints. Problems are: Problem set: 168 solved, 1534 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 143/1304 variables, and 5 constraints, problems are : Problem set: 168 solved, 1534 unsolved in 30093 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/143 constraints, ReadFeed: 0/116 constraints, PredecessorRefiner: 1702/1702 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 168 solved, 1534 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/143 variables, 3/3 constraints. Problems are: Problem set: 168 solved, 1534 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/143 variables, 2/5 constraints. Problems are: Problem set: 168 solved, 1534 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/143 variables, 0/5 constraints. Problems are: Problem set: 168 solved, 1534 unsolved
At refinement iteration 3 (OVERLAPS) 1161/1304 variables, 143/148 constraints. Problems are: Problem set: 168 solved, 1534 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1304 variables, 116/264 constraints. Problems are: Problem set: 168 solved, 1534 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1304/1304 variables, and 1798 constraints, problems are : Problem set: 168 solved, 1534 unsolved in 30285 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 143/143 constraints, ReadFeed: 116/116 constraints, PredecessorRefiner: 1534/1702 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62299ms problems are : Problem set: 168 solved, 1534 unsolved
Search for dead transitions found 168 dead transitions in 62338ms
Found 168 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 168 transitions
Dead transitions reduction (with SMT) removed 168 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 143/143 places, 1536/1704 transitions.
Applied a total of 0 rules in 31 ms. Remains 143 /143 variables (removed 0) and now considering 1536/1536 (removed 0) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 18:41:56] [INFO ] Redundant transitions in 107 ms returned []
Finished structural reductions in REACHABILITY mode , in 2 iterations and 64654 ms. Remains : 143/143 places, 1536/1704 transitions.
[2026-05-23 18:41:56] [INFO ] Flow matrix only has 1021 transitions (discarded 515 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {18=1, 29=1, 693=1, 713=1, 980=1, 1001=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {18=1, 29=1, 722=1, 723=1, 1011=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 154 resets, run finished after 157 ms. (steps per millisecond=63 ) properties (out of 2) seen :[3, 1]
Current structural bounds on expressions (after cover walk) : Max Seen:[27, 2] Max Struct:[+inf, +inf]
[2026-05-23 18:41:57] [INFO ] Flow matrix only has 1021 transitions (discarded 515 similar events)
// Phase 1: matrix 1021 rows 143 cols
[2026-05-23 18:41:57] [INFO ] Computed 3 invariants in 13 ms
Current structural bounds on expressions (after invariants) : Max Seen:[27, 2] Max Struct:[+inf, +inf]
RANDOM walk for 1000006 steps (10167 resets) in 1834 ms. (544 steps per ms)
BEST_FIRST walk for 2000002 steps (3466 resets) in 1514 ms. (1320 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[28, 3] Max Struct:[+inf, +inf]
[2026-05-23 18:42:00] [INFO ] Flow matrix only has 1021 transitions (discarded 515 similar events)
[2026-05-23 18:42:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 18:42:00] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2026-05-23 18:42:00] [INFO ] [Real]Absence check using state equation in 280 ms returned sat
[2026-05-23 18:42:00] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 18:42:00] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2026-05-23 18:42:01] [INFO ] [Nat]Absence check using state equation in 273 ms returned sat
[2026-05-23 18:42:01] [INFO ] State equation strengthened by 112 read => feed constraints.
[2026-05-23 18:42:01] [INFO ] [Nat]Added 112 Read/Feed constraints in 230 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 18:42:01] [INFO ] Deduced a trap composed of 54 places in 322 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 18:42:02] [INFO ] Deduced a trap composed of 54 places in 360 ms of which 20 ms to minimize.
[2026-05-23 18:42:02] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 784 ms
[2026-05-23 18:42:02] [INFO ] Computed and/alt/rep : 87/588/87 causal constraints (skipped 932 transitions) in 104 ms.
[2026-05-23 18:42:02] [INFO ] Added : 1 causal constraints over 1 iterations in 252 ms. Result :sat
Minimization took 1115 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 18:42:03] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2026-05-23 18:42:03] [INFO ] [Real]Absence check using state equation in 273 ms returned sat
[2026-05-23 18:42:04] [INFO ] [Real]Added 112 Read/Feed constraints in 61 ms returned sat
[2026-05-23 18:42:04] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 18:42:04] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2026-05-23 18:42:04] [INFO ] [Nat]Absence check using state equation in 244 ms returned sat
[2026-05-23 18:42:04] [INFO ] [Nat]Added 112 Read/Feed constraints in 93 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 18:42:04] [INFO ] Deduced a trap composed of 54 places in 318 ms of which 36 ms to minimize.
[2026-05-23 18:42:04] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 372 ms
[2026-05-23 18:42:04] [INFO ] Computed and/alt/rep : 87/588/87 causal constraints (skipped 932 transitions) in 97 ms.
[2026-05-23 18:42:05] [INFO ] Added : 0 causal constraints over 0 iterations in 184 ms. Result :sat
Minimization took 1370 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[28, 3] Max Struct:[+inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[28, 3] Max Struct:[+inf, +inf]
Support contains 2 out of 143 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 143/143 places, 1536/1536 transitions.
Applied a total of 0 rules in 31 ms. Remains 143 /143 variables (removed 0) and now considering 1536/1536 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31 ms. Remains : 143/143 places, 1536/1536 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 143/143 places, 1536/1536 transitions.
Applied a total of 0 rules in 31 ms. Remains 143 /143 variables (removed 0) and now considering 1536/1536 (removed 0) transitions.
[2026-05-23 18:42:06] [INFO ] Flow matrix only has 1021 transitions (discarded 515 similar events)
[2026-05-23 18:42:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 18:42:06] [INFO ] Implicit Places using invariants in 344 ms returned []
[2026-05-23 18:42:06] [INFO ] Flow matrix only has 1021 transitions (discarded 515 similar events)
[2026-05-23 18:42:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 18:42:07] [INFO ] State equation strengthened by 112 read => feed constraints.
[2026-05-23 18:42:08] [INFO ] Implicit Places using invariants and state equation in 1431 ms returned []
Implicit Place search using SMT with State Equation took 1779 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 18:42:08] [INFO ] Redundant transitions in 49 ms returned []
Running 1534 sub problems to find dead transitions.
[2026-05-23 18:42:08] [INFO ] Flow matrix only has 1021 transitions (discarded 515 similar events)
[2026-05-23 18:42:08] [INFO ] Invariant cache hit.
[2026-05-23 18:42:08] [INFO ] State equation strengthened by 112 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/143 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/143 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
At refinement iteration 2 (OVERLAPS) 1021/1164 variables, 143/146 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1164 variables, 112/258 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1164/1164 variables, and 258 constraints, problems are : Problem set: 0 solved, 1534 unsolved in 30054 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 143/143 constraints, ReadFeed: 112/112 constraints, PredecessorRefiner: 1534/1534 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1534 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/143 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/143 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
At refinement iteration 2 (OVERLAPS) 1021/1164 variables, 143/146 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1164 variables, 112/258 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1164 variables, 1534/1792 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1164/1164 variables, and 1792 constraints, problems are : Problem set: 0 solved, 1534 unsolved in 30044 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 143/143 constraints, ReadFeed: 112/112 constraints, PredecessorRefiner: 1534/1534 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61240ms problems are : Problem set: 0 solved, 1534 unsolved
Search for dead transitions found 0 dead transitions in 61246ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 63119 ms. Remains : 143/143 places, 1536/1536 transitions.
[2026-05-23 18:43:09] [INFO ] Flow matrix only has 1021 transitions (discarded 515 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {18=1, 29=1, 693=1, 713=1, 980=1, 1001=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {18=1, 29=1, 722=1, 723=1, 1011=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 153 resets, run finished after 57 ms. (steps per millisecond=175 ) properties (out of 2) seen :[8, 1]
Current structural bounds on expressions (after cover walk) : Max Seen:[28, 3] Max Struct:[+inf, +inf]
[2026-05-23 18:43:10] [INFO ] Flow matrix only has 1021 transitions (discarded 515 similar events)
[2026-05-23 18:43:10] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[28, 3] Max Struct:[+inf, +inf]
RANDOM walk for 1000007 steps (10168 resets) in 1733 ms. (576 steps per ms)
BEST_FIRST walk for 2000002 steps (3440 resets) in 1289 ms. (1550 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[28, 3] Max Struct:[+inf, +inf]
[2026-05-23 18:43:13] [INFO ] Flow matrix only has 1021 transitions (discarded 515 similar events)
[2026-05-23 18:43:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 18:43:13] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2026-05-23 18:43:13] [INFO ] [Real]Absence check using state equation in 254 ms returned sat
[2026-05-23 18:43:13] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 18:43:14] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2026-05-23 18:43:14] [INFO ] [Nat]Absence check using state equation in 266 ms returned sat
[2026-05-23 18:43:14] [INFO ] State equation strengthened by 112 read => feed constraints.
[2026-05-23 18:43:14] [INFO ] [Nat]Added 112 Read/Feed constraints in 222 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 18:43:14] [INFO ] Deduced a trap composed of 54 places in 300 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 18:43:15] [INFO ] Deduced a trap composed of 54 places in 338 ms of which 18 ms to minimize.
[2026-05-23 18:43:15] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 735 ms
[2026-05-23 18:43:15] [INFO ] Computed and/alt/rep : 87/588/87 causal constraints (skipped 932 transitions) in 104 ms.
[2026-05-23 18:43:15] [INFO ] Added : 1 causal constraints over 1 iterations in 255 ms. Result :sat
Minimization took 1208 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 18:43:16] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2026-05-23 18:43:17] [INFO ] [Real]Absence check using state equation in 266 ms returned sat
[2026-05-23 18:43:17] [INFO ] [Real]Added 112 Read/Feed constraints in 63 ms returned sat
[2026-05-23 18:43:17] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 18:43:17] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2026-05-23 18:43:17] [INFO ] [Nat]Absence check using state equation in 282 ms returned sat
[2026-05-23 18:43:17] [INFO ] [Nat]Added 112 Read/Feed constraints in 99 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 18:43:18] [INFO ] Deduced a trap composed of 54 places in 380 ms of which 38 ms to minimize.
[2026-05-23 18:43:18] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 447 ms
[2026-05-23 18:43:18] [INFO ] Computed and/alt/rep : 87/588/87 causal constraints (skipped 932 transitions) in 112 ms.
[2026-05-23 18:43:18] [INFO ] Added : 0 causal constraints over 0 iterations in 208 ms. Result :sat
Minimization took 1422 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[28, 3] Max Struct:[+inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[28, 3] Max Struct:[+inf, +inf]
Support contains 2 out of 143 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 143/143 places, 1536/1536 transitions.
Applied a total of 0 rules in 27 ms. Remains 143 /143 variables (removed 0) and now considering 1536/1536 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 27 ms. Remains : 143/143 places, 1536/1536 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 143/143 places, 1536/1536 transitions.
Applied a total of 0 rules in 25 ms. Remains 143 /143 variables (removed 0) and now considering 1536/1536 (removed 0) transitions.
[2026-05-23 18:43:19] [INFO ] Flow matrix only has 1021 transitions (discarded 515 similar events)
[2026-05-23 18:43:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 18:43:20] [INFO ] Implicit Places using invariants in 444 ms returned []
[2026-05-23 18:43:20] [INFO ] Flow matrix only has 1021 transitions (discarded 515 similar events)
[2026-05-23 18:43:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 18:43:20] [INFO ] State equation strengthened by 112 read => feed constraints.
[2026-05-23 18:43:21] [INFO ] Implicit Places using invariants and state equation in 1437 ms returned []
Implicit Place search using SMT with State Equation took 1884 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 18:43:21] [INFO ] Redundant transitions in 27 ms returned []
Running 1534 sub problems to find dead transitions.
[2026-05-23 18:43:21] [INFO ] Flow matrix only has 1021 transitions (discarded 515 similar events)
[2026-05-23 18:43:21] [INFO ] Invariant cache hit.
[2026-05-23 18:43:21] [INFO ] State equation strengthened by 112 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/143 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/143 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
At refinement iteration 2 (OVERLAPS) 1021/1164 variables, 143/146 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1164 variables, 112/258 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1164/1164 variables, and 258 constraints, problems are : Problem set: 0 solved, 1534 unsolved in 30041 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 143/143 constraints, ReadFeed: 112/112 constraints, PredecessorRefiner: 1534/1534 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1534 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/143 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/143 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
At refinement iteration 2 (OVERLAPS) 1021/1164 variables, 143/146 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1164 variables, 112/258 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1164 variables, 1534/1792 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1164/1164 variables, and 1792 constraints, problems are : Problem set: 0 solved, 1534 unsolved in 30040 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 143/143 constraints, ReadFeed: 112/112 constraints, PredecessorRefiner: 1534/1534 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61037ms problems are : Problem set: 0 solved, 1534 unsolved
Search for dead transitions found 0 dead transitions in 61042ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 62988 ms. Remains : 143/143 places, 1536/1536 transitions.
[2026-05-23 18:44:22] [INFO ] Flow matrix only has 1021 transitions (discarded 515 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {18=1, 29=1, 693=1, 713=1, 980=1, 1001=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {18=1, 29=1, 722=1, 723=1, 1011=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 152 resets, run finished after 71 ms. (steps per millisecond=140 ) properties (out of 2) seen :[5, 1]
Current structural bounds on expressions (after cover walk) : Max Seen:[28, 3] Max Struct:[+inf, +inf]
RANDOM walk for 40015 steps (405 resets) in 732 ms. (54 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (68 resets) in 217 ms. (183 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (78 resets) in 237 ms. (168 steps per ms) remains 2/2 properties
[2026-05-23 18:44:24] [INFO ] Flatten gal took : 403 ms
[2026-05-23 18:44:24] [INFO ] Flatten gal took : 266 ms
[2026-05-23 18:44:24] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14551093070135186818.gal : 76 ms
[2026-05-23 18:44:24] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8814739817540039699.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/ReachabilityCardinality14551093070135186818.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8814739817540039699.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/ReachabilityCardinality8814739817540039699.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 12
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :12 after 83
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :83 after 660
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :660 after 2693
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :2693 after 15278
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :15278 after 58661
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :58661 after 195171
Invariant property MIN0 does not hold.
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :195171 after 6.94454e+06
Interrupted probabilistic random walk after 241585 steps, run timeout after 3001 ms. (steps per millisecond=80 ) properties seen :0 out of 2
Probabilistic random walk after 241585 steps, saw 166485 distinct states, run finished after 3008 ms. (steps per millisecond=80 ) properties seen :0
[2026-05-23 18:44:27] [INFO ] Flow matrix only has 1021 transitions (discarded 515 similar events)
[2026-05-23 18:44:27] [INFO ] Invariant cache hit.
[2026-05-23 18:44:27] [INFO ] State equation strengthened by 112 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) 33/34 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/34 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1031/1065 variables, 66/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1065 variables, 34/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1065 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 50/1115 variables, 2/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1115 variables, 36/139 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1115 variables, 0/139 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :6.94454e+06 after 1.70318e+07
At refinement iteration 9 (OVERLAPS) 49/1164 variables, 40/179 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1164 variables, 1/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1164 variables, 78/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1164 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/1164 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1164/1164 variables, and 258 constraints, problems are : Problem set: 0 solved, 1 unsolved in 582 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 143/143 constraints, ReadFeed: 112/112 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) 33/34 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/34 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1031/1065 variables, 66/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1065 variables, 34/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1065 variables, 1/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1065 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 50/1115 variables, 2/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1115 variables, 36/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1115 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 49/1164 variables, 40/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1164 variables, 1/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1164 variables, 78/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1164 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/1164 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1164/1164 variables, and 259 constraints, problems are : Problem set: 0 solved, 1 unsolved in 896 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 143/143 constraints, ReadFeed: 112/112 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1500ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 183 ms.
Support contains 1 out of 143 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 143/143 places, 1536/1536 transitions.
Applied a total of 0 rules in 25 ms. Remains 143 /143 variables (removed 0) and now considering 1536/1536 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26 ms. Remains : 143/143 places, 1536/1536 transitions.
RANDOM walk for 40015 steps (401 resets) in 213 ms. (186 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (74 resets) in 103 ms. (384 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 421827 steps, run timeout after 3001 ms. (steps per millisecond=140 ) properties seen :0 out of 1
Probabilistic random walk after 421827 steps, saw 287094 distinct states, run finished after 3001 ms. (steps per millisecond=140 ) properties seen :0
[2026-05-23 18:44:31] [INFO ] Flow matrix only has 1021 transitions (discarded 515 similar events)
[2026-05-23 18:44:31] [INFO ] Invariant cache hit.
[2026-05-23 18:44:31] [INFO ] State equation strengthened by 112 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) 33/34 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/34 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1031/1065 variables, 66/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1065 variables, 34/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1065 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 50/1115 variables, 2/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1115 variables, 36/139 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1115 variables, 0/139 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 49/1164 variables, 40/179 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1164 variables, 1/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1164 variables, 78/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1164 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/1164 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1164/1164 variables, and 258 constraints, problems are : Problem set: 0 solved, 1 unsolved in 535 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 143/143 constraints, ReadFeed: 112/112 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) 33/34 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/34 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1031/1065 variables, 66/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1065 variables, 34/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1065 variables, 1/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1065 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 50/1115 variables, 2/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1115 variables, 36/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1115 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 49/1164 variables, 40/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1164 variables, 1/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1164 variables, 78/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1164 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/1164 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1164/1164 variables, and 259 constraints, problems are : Problem set: 0 solved, 1 unsolved in 866 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 143/143 constraints, ReadFeed: 112/112 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1418ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 88 ms.
Support contains 1 out of 143 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 143/143 places, 1536/1536 transitions.
Applied a total of 0 rules in 25 ms. Remains 143 /143 variables (removed 0) and now considering 1536/1536 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25 ms. Remains : 143/143 places, 1536/1536 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 143/143 places, 1536/1536 transitions.
Applied a total of 0 rules in 25 ms. Remains 143 /143 variables (removed 0) and now considering 1536/1536 (removed 0) transitions.
[2026-05-23 18:44:33] [INFO ] Flow matrix only has 1021 transitions (discarded 515 similar events)
[2026-05-23 18:44:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :1.70318e+07 after 3.71593e+07
[2026-05-23 18:44:33] [INFO ] Implicit Places using invariants in 356 ms returned []
[2026-05-23 18:44:33] [INFO ] Flow matrix only has 1021 transitions (discarded 515 similar events)
[2026-05-23 18:44:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 18:44:34] [INFO ] State equation strengthened by 112 read => feed constraints.
[2026-05-23 18:44:35] [INFO ] Implicit Places using invariants and state equation in 1504 ms returned []
Implicit Place search using SMT with State Equation took 1864 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 18:44:35] [INFO ] Redundant transitions in 49 ms returned []
Running 1534 sub problems to find dead transitions.
[2026-05-23 18:44:35] [INFO ] Flow matrix only has 1021 transitions (discarded 515 similar events)
[2026-05-23 18:44:35] [INFO ] Invariant cache hit.
[2026-05-23 18:44:35] [INFO ] State equation strengthened by 112 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/143 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :3.71593e+07 after 7.7383e+07
At refinement iteration 1 (INCLUDED_ONLY) 0/143 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
At refinement iteration 2 (OVERLAPS) 1021/1164 variables, 143/146 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1164 variables, 112/258 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1164/1164 variables, and 258 constraints, problems are : Problem set: 0 solved, 1534 unsolved in 30053 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 143/143 constraints, ReadFeed: 112/112 constraints, PredecessorRefiner: 1534/1534 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1534 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/143 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
Detected timeout of ITS tools.
[2026-05-23 18:45:15] [INFO ] Flatten gal took : 110 ms
[2026-05-23 18:45:15] [INFO ] Applying decomposition
[2026-05-23 18:45:15] [INFO ] Flatten gal took : 89 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/graph562506780645242967.txt' '-o' '/tmp/graph562506780645242967.bin' '-w' '/tmp/graph562506780645242967.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph562506780645242967.bin' '-l' '-1' '-v' '-w' '/tmp/graph562506780645242967.weights' '-q' '0' '-e' '0.001'
[2026-05-23 18:45:15] [INFO ] Decomposing Gal with order
[2026-05-23 18:45:15] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 18:45:16] [INFO ] Removed a total of 3594 redundant transitions.
[2026-05-23 18:45:16] [INFO ] Flatten gal took : 337 ms
[2026-05-23 18:45:16] [INFO ] Fuse similar labels procedure discarded/fused a total of 186 labels/synchronizations in 87 ms.
[2026-05-23 18:45:16] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7386276151785215675.gal : 26 ms
[2026-05-23 18:45:16] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3919015988136927534.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/ReachabilityCardinality7386276151785215675.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3919015988136927534.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...307
Loading property file /tmp/ReachabilityCardinality3919015988136927534.prop.
At refinement iteration 1 (INCLUDED_ONLY) 0/143 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
At refinement iteration 2 (OVERLAPS) 1021/1164 variables, 143/146 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1164 variables, 112/258 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1164 variables, 1534/1792 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1164/1164 variables, and 1792 constraints, problems are : Problem set: 0 solved, 1534 unsolved in 30061 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 143/143 constraints, ReadFeed: 112/112 constraints, PredecessorRefiner: 1534/1534 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61260ms problems are : Problem set: 0 solved, 1534 unsolved
Search for dead transitions found 0 dead transitions in 61269ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 63224 ms. Remains : 143/143 places, 1536/1536 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 515 transitions
Reduce isomorphic transitions removed 515 transitions.
Iterating post reduction 0 with 515 rules applied. Total rules applied 515 place count 143 transition count 1021
Performed 10 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 10 Pre rules applied. Total rules applied 515 place count 143 transition count 1011
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 1 with 20 rules applied. Total rules applied 535 place count 133 transition count 1011
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 1 with 6 rules applied. Total rules applied 541 place count 130 transition count 1008
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 542 place count 129 transition count 976
Iterating global reduction 1 with 1 rules applied. Total rules applied 543 place count 129 transition count 976
Applied a total of 543 rules in 62 ms. Remains 129 /143 variables (removed 14) and now considering 976/1536 (removed 560) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 976 rows 129 cols
[2026-05-23 18:45:36] [INFO ] Computed 3 invariants in 10 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-23 18:45:36] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2026-05-23 18:45:37] [INFO ] After 372ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-23 18:45:37] [INFO ] After 464ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :1
[2026-05-23 18:45:37] [INFO ] After 570ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :1
[2026-05-23 18:45:37] [INFO ] Flatten gal took : 42 ms
[2026-05-23 18:45:37] [INFO ] Flatten gal took : 45 ms
[2026-05-23 18:45:37] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6595413914834181053.gal : 18 ms
[2026-05-23 18:45:37] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10542763829645997677.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/ReachabilityCardinality6595413914834181053.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10542763829645997677.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/ReachabilityCardinality10542763829645997677.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 8
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :8 after 36
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :36 after 325
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :325 after 3102
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :3102 after 35893
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :35893 after 86745
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :86745 after 172257
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :172257 after 322656
Detected timeout of ITS tools.
[2026-05-23 18:45:52] [INFO ] Flatten gal took : 36 ms
[2026-05-23 18:45:52] [INFO ] Applying decomposition
[2026-05-23 18:45:52] [INFO ] Flatten gal took : 43 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/graph10036881514304779595.txt' '-o' '/tmp/graph10036881514304779595.bin' '-w' '/tmp/graph10036881514304779595.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph10036881514304779595.bin' '-l' '-1' '-v' '-w' '/tmp/graph10036881514304779595.weights' '-q' '0' '-e' '0.001'
[2026-05-23 18:45:52] [INFO ] Decomposing Gal with order
[2026-05-23 18:45:52] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 18:45:52] [INFO ] Removed a total of 2247 redundant transitions.
[2026-05-23 18:45:52] [INFO ] Flatten gal took : 124 ms
[2026-05-23 18:45:53] [INFO ] Fuse similar labels procedure discarded/fused a total of 112 labels/synchronizations in 38 ms.
[2026-05-23 18:45:53] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2135515914590241544.gal : 17 ms
[2026-05-23 18:45:53] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14434818020289812838.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/ReachabilityCardinality2135515914590241544.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14434818020289812838.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/ReachabilityCardinality14434818020289812838.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 4
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :4 after 14
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :14 after 392
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :392 after 2112
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :2112 after 3976
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :3976 after 3998
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :3998 after 1.21186e+07
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :1.21186e+07 after 5.82691e+07
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :5.82691e+07 after 1.55429e+08
Detected timeout of ITS tools.
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 31379 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[28, 3] Max Struct:[+inf, +inf]
Starting property specific reduction for DoubleLock-PT-p2s2-UpperBounds-07
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2026-05-23 18:46:08] [INFO ] Flow matrix only has 1021 transitions (discarded 515 similar events)
// Phase 1: matrix 1021 rows 143 cols
[2026-05-23 18:46:08] [INFO ] Computed 3 invariants in 5 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (100 resets) in 22 ms. (434 steps per ms)
BEST_FIRST walk for 10000 steps (13 resets) in 11 ms. (833 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[19] Max Struct:[+inf]
[2026-05-23 18:46:08] [INFO ] Flow matrix only has 1021 transitions (discarded 515 similar events)
[2026-05-23 18:46:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 18:46:08] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2026-05-23 18:46:08] [INFO ] [Real]Absence check using state equation in 279 ms returned sat
[2026-05-23 18:46:08] [INFO ] State equation strengthened by 112 read => feed constraints.
[2026-05-23 18:46:08] [INFO ] [Real]Added 112 Read/Feed constraints in 119 ms returned sat
[2026-05-23 18:46:08] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 18:46:08] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2026-05-23 18:46:08] [INFO ] [Nat]Absence check using state equation in 271 ms returned sat
[2026-05-23 18:46:09] [INFO ] [Nat]Added 112 Read/Feed constraints in 136 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 18:46:09] [INFO ] Deduced a trap composed of 61 places in 118 ms of which 4 ms to minimize.
[2026-05-23 18:46:09] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 182 ms
[2026-05-23 18:46:09] [INFO ] Computed and/alt/rep : 87/588/87 causal constraints (skipped 932 transitions) in 184 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 18:46:09] [INFO ] Deduced a trap composed of 42 places in 347 ms of which 32 ms to minimize.
[2026-05-23 18:46:10] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 435 ms
[2026-05-23 18:46:10] [INFO ] Added : 2 causal constraints over 2 iterations in 859 ms. Result :sat
Minimization took 607 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[19] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[19] Max Struct:[+inf]
Support contains 1 out of 143 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 143/143 places, 1536/1536 transitions.
Applied a total of 0 rules in 27 ms. Remains 143 /143 variables (removed 0) and now considering 1536/1536 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 29 ms. Remains : 143/143 places, 1536/1536 transitions.
[2026-05-23 18:46:10] [INFO ] Flow matrix only has 1021 transitions (discarded 515 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {18=1, 29=1, 693=1, 713=1, 980=1, 1001=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {18=1, 29=1, 722=1, 723=1, 1011=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 150 resets, run finished after 45 ms. (steps per millisecond=222 ) properties (out of 1) seen :[7]
Current structural bounds on expressions (after cover walk) : Max Seen:[19] Max Struct:[+inf]
[2026-05-23 18:46:11] [INFO ] Flow matrix only has 1021 transitions (discarded 515 similar events)
[2026-05-23 18:46:11] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[19] Max Struct:[+inf]
RANDOM walk for 1000000 steps (10199 resets) in 1838 ms. (543 steps per ms)
BEST_FIRST walk for 1000001 steps (1537 resets) in 749 ms. (1333 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[26] Max Struct:[+inf]
[2026-05-23 18:46:14] [INFO ] Flow matrix only has 1021 transitions (discarded 515 similar events)
[2026-05-23 18:46:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 18:46:14] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2026-05-23 18:46:14] [INFO ] [Real]Absence check using state equation in 273 ms returned sat
[2026-05-23 18:46:14] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 18:46:14] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2026-05-23 18:46:14] [INFO ] [Nat]Absence check using state equation in 268 ms returned sat
[2026-05-23 18:46:14] [INFO ] State equation strengthened by 112 read => feed constraints.
[2026-05-23 18:46:15] [INFO ] [Nat]Added 112 Read/Feed constraints in 202 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 18:46:15] [INFO ] Deduced a trap composed of 54 places in 434 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 18:46:15] [INFO ] Deduced a trap composed of 54 places in 299 ms of which 18 ms to minimize.
[2026-05-23 18:46:15] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 824 ms
[2026-05-23 18:46:16] [INFO ] Computed and/alt/rep : 87/588/87 causal constraints (skipped 932 transitions) in 113 ms.
[2026-05-23 18:46:16] [INFO ] Added : 1 causal constraints over 1 iterations in 253 ms. Result :sat
Minimization took 1157 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[26] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[26] Max Struct:[+inf]
Support contains 1 out of 143 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 143/143 places, 1536/1536 transitions.
Applied a total of 0 rules in 26 ms. Remains 143 /143 variables (removed 0) and now considering 1536/1536 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26 ms. Remains : 143/143 places, 1536/1536 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 143/143 places, 1536/1536 transitions.
Applied a total of 0 rules in 24 ms. Remains 143 /143 variables (removed 0) and now considering 1536/1536 (removed 0) transitions.
[2026-05-23 18:46:17] [INFO ] Flow matrix only has 1021 transitions (discarded 515 similar events)
[2026-05-23 18:46:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 18:46:17] [INFO ] Implicit Places using invariants in 369 ms returned []
[2026-05-23 18:46:17] [INFO ] Flow matrix only has 1021 transitions (discarded 515 similar events)
[2026-05-23 18:46:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 18:46:18] [INFO ] State equation strengthened by 112 read => feed constraints.
[2026-05-23 18:46:19] [INFO ] Implicit Places using invariants and state equation in 1486 ms returned []
Implicit Place search using SMT with State Equation took 1858 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 18:46:19] [INFO ] Redundant transitions in 27 ms returned []
Running 1534 sub problems to find dead transitions.
[2026-05-23 18:46:19] [INFO ] Flow matrix only has 1021 transitions (discarded 515 similar events)
[2026-05-23 18:46:19] [INFO ] Invariant cache hit.
[2026-05-23 18:46:19] [INFO ] State equation strengthened by 112 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/143 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/143 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
At refinement iteration 2 (OVERLAPS) 1021/1164 variables, 143/146 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1164 variables, 112/258 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1164/1164 variables, and 258 constraints, problems are : Problem set: 0 solved, 1534 unsolved in 30057 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 143/143 constraints, ReadFeed: 112/112 constraints, PredecessorRefiner: 1534/1534 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1534 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/143 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/143 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
At refinement iteration 2 (OVERLAPS) 1021/1164 variables, 143/146 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1164 variables, 112/258 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1164 variables, 1534/1792 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1164/1164 variables, and 1792 constraints, problems are : Problem set: 0 solved, 1534 unsolved in 30037 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 143/143 constraints, ReadFeed: 112/112 constraints, PredecessorRefiner: 1534/1534 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61101ms problems are : Problem set: 0 solved, 1534 unsolved
Search for dead transitions found 0 dead transitions in 61106ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 63029 ms. Remains : 143/143 places, 1536/1536 transitions.
[2026-05-23 18:47:20] [INFO ] Flow matrix only has 1021 transitions (discarded 515 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {18=1, 29=1, 693=1, 713=1, 980=1, 1001=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {18=1, 29=1, 722=1, 723=1, 1011=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 169 resets, run finished after 46 ms. (steps per millisecond=217 ) properties (out of 1) seen :[5]
Current structural bounds on expressions (after cover walk) : Max Seen:[26] Max Struct:[+inf]
[2026-05-23 18:47:21] [INFO ] Flow matrix only has 1021 transitions (discarded 515 similar events)
[2026-05-23 18:47:21] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[26] Max Struct:[+inf]
RANDOM walk for 1000001 steps (10238 resets) in 1826 ms. (547 steps per ms)
BEST_FIRST walk for 1000001 steps (1541 resets) in 742 ms. (1345 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[26] Max Struct:[+inf]
[2026-05-23 18:47:23] [INFO ] Flow matrix only has 1021 transitions (discarded 515 similar events)
[2026-05-23 18:47:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 18:47:23] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2026-05-23 18:47:24] [INFO ] [Real]Absence check using state equation in 270 ms returned sat
[2026-05-23 18:47:24] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 18:47:24] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2026-05-23 18:47:24] [INFO ] [Nat]Absence check using state equation in 264 ms returned sat
[2026-05-23 18:47:24] [INFO ] State equation strengthened by 112 read => feed constraints.
[2026-05-23 18:47:24] [INFO ] [Nat]Added 112 Read/Feed constraints in 223 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 18:47:25] [INFO ] Deduced a trap composed of 54 places in 346 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 18:47:25] [INFO ] Deduced a trap composed of 54 places in 348 ms of which 18 ms to minimize.
[2026-05-23 18:47:25] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 802 ms
[2026-05-23 18:47:25] [INFO ] Computed and/alt/rep : 87/588/87 causal constraints (skipped 932 transitions) in 107 ms.
[2026-05-23 18:47:25] [INFO ] Added : 1 causal constraints over 1 iterations in 256 ms. Result :sat
Minimization took 1187 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[26] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[26] Max Struct:[+inf]
Support contains 1 out of 143 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 143/143 places, 1536/1536 transitions.
Applied a total of 0 rules in 29 ms. Remains 143 /143 variables (removed 0) and now considering 1536/1536 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 29 ms. Remains : 143/143 places, 1536/1536 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 143/143 places, 1536/1536 transitions.
Applied a total of 0 rules in 24 ms. Remains 143 /143 variables (removed 0) and now considering 1536/1536 (removed 0) transitions.
[2026-05-23 18:47:27] [INFO ] Flow matrix only has 1021 transitions (discarded 515 similar events)
[2026-05-23 18:47:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 18:47:27] [INFO ] Implicit Places using invariants in 368 ms returned []
[2026-05-23 18:47:27] [INFO ] Flow matrix only has 1021 transitions (discarded 515 similar events)
[2026-05-23 18:47:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 18:47:27] [INFO ] State equation strengthened by 112 read => feed constraints.
[2026-05-23 18:47:29] [INFO ] Implicit Places using invariants and state equation in 1482 ms returned []
Implicit Place search using SMT with State Equation took 1863 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 18:47:29] [INFO ] Redundant transitions in 33 ms returned []
Running 1534 sub problems to find dead transitions.
[2026-05-23 18:47:29] [INFO ] Flow matrix only has 1021 transitions (discarded 515 similar events)
[2026-05-23 18:47:29] [INFO ] Invariant cache hit.
[2026-05-23 18:47:29] [INFO ] State equation strengthened by 112 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/143 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/143 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
At refinement iteration 2 (OVERLAPS) 1021/1164 variables, 143/146 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1164 variables, 112/258 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1164/1164 variables, and 258 constraints, problems are : Problem set: 0 solved, 1534 unsolved in 30047 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 143/143 constraints, ReadFeed: 112/112 constraints, PredecessorRefiner: 1534/1534 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1534 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/143 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/143 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
At refinement iteration 2 (OVERLAPS) 1021/1164 variables, 143/146 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1164 variables, 112/258 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1164 variables, 1534/1792 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1164/1164 variables, and 1792 constraints, problems are : Problem set: 0 solved, 1534 unsolved in 30035 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 143/143 constraints, ReadFeed: 112/112 constraints, PredecessorRefiner: 1534/1534 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61313ms problems are : Problem set: 0 solved, 1534 unsolved
Search for dead transitions found 0 dead transitions in 61318ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 63252 ms. Remains : 143/143 places, 1536/1536 transitions.
[2026-05-23 18:48:30] [INFO ] Flow matrix only has 1021 transitions (discarded 515 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {18=1, 29=1, 693=1, 713=1, 980=1, 1001=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {18=1, 29=1, 722=1, 723=1, 1011=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 151 resets, run finished after 37 ms. (steps per millisecond=270 ) properties (out of 1) seen :[9]
Current structural bounds on expressions (after cover walk) : Max Seen:[26] Max Struct:[+inf]
RANDOM walk for 40012 steps (415 resets) in 107 ms. (370 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (55 resets) in 50 ms. (784 steps per ms) remains 1/1 properties
[2026-05-23 18:48:31] [INFO ] Flatten gal took : 52 ms
[2026-05-23 18:48:31] [INFO ] Flatten gal took : 49 ms
[2026-05-23 18:48:31] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13615943241046137937.gal : 16 ms
[2026-05-23 18:48:31] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5109385619376570159.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/ReachabilityCardinality13615943241046137937.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5109385619376570159.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/ReachabilityCardinality5109385619376570159.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 12
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :12 after 83
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :83 after 660
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :660 after 2693
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :2693 after 15278
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :15278 after 58661
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :58661 after 195171
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 257 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,6.94454e+06,1.3965,26268,2,4431,13,65873,6,0,2110,58829,0
Total reachable state count : 6944545
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
MIN0,31392,1.39887,26268,2,735,13,65873,7,0,2113,58829,0
Interrupted probabilistic random walk after 477337 steps, run timeout after 3001 ms. (steps per millisecond=159 ) properties seen :0 out of 1
Probabilistic random walk after 477337 steps, saw 324242 distinct states, run finished after 3001 ms. (steps per millisecond=159 ) properties seen :0
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[26] Max Struct:[+inf]
Ending property specific reduction for DoubleLock-PT-p2s2-UpperBounds-07 in 146308 ms.
Starting property specific reduction for DoubleLock-PT-p2s2-UpperBounds-08
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2026-05-23 18:48:34] [INFO ] Flow matrix only has 1021 transitions (discarded 515 similar events)
[2026-05-23 18:48:34] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10001 steps (102 resets) in 17 ms. (555 steps per ms)
BEST_FIRST walk for 10001 steps (21 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2026-05-23 18:48:34] [INFO ] Flow matrix only has 1021 transitions (discarded 515 similar events)
[2026-05-23 18:48:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 18:48:34] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2026-05-23 18:48:34] [INFO ] [Real]Absence check using state equation in 260 ms returned sat
[2026-05-23 18:48:34] [INFO ] State equation strengthened by 112 read => feed constraints.
[2026-05-23 18:48:34] [INFO ] [Real]Added 112 Read/Feed constraints in 51 ms returned sat
[2026-05-23 18:48:34] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 18:48:34] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2026-05-23 18:48:35] [INFO ] [Nat]Absence check using state equation in 251 ms returned sat
[2026-05-23 18:48:35] [INFO ] [Nat]Added 112 Read/Feed constraints in 72 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 18:48:35] [INFO ] Deduced a trap composed of 54 places in 315 ms of which 38 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 18:48:35] [INFO ] Deduced a trap composed of 54 places in 339 ms of which 36 ms to minimize.
[2026-05-23 18:48:35] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 748 ms
[2026-05-23 18:48:36] [INFO ] Computed and/alt/rep : 87/588/87 causal constraints (skipped 932 transitions) in 109 ms.
[2026-05-23 18:48:36] [INFO ] Added : 0 causal constraints over 0 iterations in 199 ms. Result :sat
Minimization took 594 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 143 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 143/143 places, 1536/1536 transitions.
Applied a total of 0 rules in 25 ms. Remains 143 /143 variables (removed 0) and now considering 1536/1536 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25 ms. Remains : 143/143 places, 1536/1536 transitions.
[2026-05-23 18:48:36] [INFO ] Flow matrix only has 1021 transitions (discarded 515 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {18=1, 29=1, 693=1, 713=1, 980=1, 1001=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {18=1, 29=1, 722=1, 723=1, 1011=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 158 resets, run finished after 35 ms. (steps per millisecond=285 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[2] Max Struct:[+inf]
[2026-05-23 18:48:37] [INFO ] Flow matrix only has 1021 transitions (discarded 515 similar events)
[2026-05-23 18:48:37] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000006 steps (10183 resets) in 1787 ms. (559 steps per ms)
BEST_FIRST walk for 1000001 steps (1928 resets) in 692 ms. (1443 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3] Max Struct:[+inf]
[2026-05-23 18:48:40] [INFO ] Flow matrix only has 1021 transitions (discarded 515 similar events)
[2026-05-23 18:48:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 18:48:40] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2026-05-23 18:48:40] [INFO ] [Real]Absence check using state equation in 252 ms returned sat
[2026-05-23 18:48:40] [INFO ] State equation strengthened by 112 read => feed constraints.
[2026-05-23 18:48:40] [INFO ] [Real]Added 112 Read/Feed constraints in 53 ms returned sat
[2026-05-23 18:48:40] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 18:48:40] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2026-05-23 18:48:40] [INFO ] [Nat]Absence check using state equation in 273 ms returned sat
[2026-05-23 18:48:40] [INFO ] [Nat]Added 112 Read/Feed constraints in 108 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 18:48:41] [INFO ] Deduced a trap composed of 54 places in 328 ms of which 36 ms to minimize.
[2026-05-23 18:48:41] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 392 ms
[2026-05-23 18:48:41] [INFO ] Computed and/alt/rep : 87/588/87 causal constraints (skipped 932 transitions) in 110 ms.
[2026-05-23 18:48:41] [INFO ] Added : 0 causal constraints over 0 iterations in 209 ms. Result :sat
Minimization took 1392 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 143 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 143/143 places, 1536/1536 transitions.
Applied a total of 0 rules in 37 ms. Remains 143 /143 variables (removed 0) and now considering 1536/1536 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37 ms. Remains : 143/143 places, 1536/1536 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 143/143 places, 1536/1536 transitions.
Applied a total of 0 rules in 24 ms. Remains 143 /143 variables (removed 0) and now considering 1536/1536 (removed 0) transitions.
[2026-05-23 18:48:42] [INFO ] Flow matrix only has 1021 transitions (discarded 515 similar events)
[2026-05-23 18:48:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 18:48:43] [INFO ] Implicit Places using invariants in 412 ms returned []
[2026-05-23 18:48:43] [INFO ] Flow matrix only has 1021 transitions (discarded 515 similar events)
[2026-05-23 18:48:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 18:48:43] [INFO ] State equation strengthened by 112 read => feed constraints.
[2026-05-23 18:48:44] [INFO ] Implicit Places using invariants and state equation in 1494 ms returned []
Implicit Place search using SMT with State Equation took 1912 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 18:48:44] [INFO ] Redundant transitions in 33 ms returned []
Running 1534 sub problems to find dead transitions.
[2026-05-23 18:48:44] [INFO ] Flow matrix only has 1021 transitions (discarded 515 similar events)
[2026-05-23 18:48:44] [INFO ] Invariant cache hit.
[2026-05-23 18:48:44] [INFO ] State equation strengthened by 112 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/143 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/143 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
At refinement iteration 2 (OVERLAPS) 1021/1164 variables, 143/146 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1164 variables, 112/258 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1164/1164 variables, and 258 constraints, problems are : Problem set: 0 solved, 1534 unsolved in 30036 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 143/143 constraints, ReadFeed: 112/112 constraints, PredecessorRefiner: 1534/1534 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1534 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/143 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/143 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
At refinement iteration 2 (OVERLAPS) 1021/1164 variables, 143/146 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1164 variables, 112/258 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1164 variables, 1534/1792 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1164/1164 variables, and 1792 constraints, problems are : Problem set: 0 solved, 1534 unsolved in 30038 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 143/143 constraints, ReadFeed: 112/112 constraints, PredecessorRefiner: 1534/1534 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61104ms problems are : Problem set: 0 solved, 1534 unsolved
Search for dead transitions found 0 dead transitions in 61107ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 63086 ms. Remains : 143/143 places, 1536/1536 transitions.
[2026-05-23 18:49:46] [INFO ] Flow matrix only has 1021 transitions (discarded 515 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {18=1, 29=1, 693=1, 713=1, 980=1, 1001=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {18=1, 29=1, 722=1, 723=1, 1011=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 167 resets, run finished after 36 ms. (steps per millisecond=277 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[3] Max Struct:[+inf]
[2026-05-23 18:49:46] [INFO ] Flow matrix only has 1021 transitions (discarded 515 similar events)
[2026-05-23 18:49:46] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[3] Max Struct:[+inf]
RANDOM walk for 1000000 steps (10160 resets) in 1696 ms. (589 steps per ms)
BEST_FIRST walk for 1000001 steps (1935 resets) in 638 ms. (1564 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3] Max Struct:[+inf]
[2026-05-23 18:49:49] [INFO ] Flow matrix only has 1021 transitions (discarded 515 similar events)
[2026-05-23 18:49:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 18:49:49] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2026-05-23 18:49:49] [INFO ] [Real]Absence check using state equation in 256 ms returned sat
[2026-05-23 18:49:49] [INFO ] State equation strengthened by 112 read => feed constraints.
[2026-05-23 18:49:49] [INFO ] [Real]Added 112 Read/Feed constraints in 52 ms returned sat
[2026-05-23 18:49:49] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 18:49:49] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2026-05-23 18:49:49] [INFO ] [Nat]Absence check using state equation in 266 ms returned sat
[2026-05-23 18:49:50] [INFO ] [Nat]Added 112 Read/Feed constraints in 108 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 18:49:50] [INFO ] Deduced a trap composed of 54 places in 356 ms of which 37 ms to minimize.
[2026-05-23 18:49:50] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 419 ms
[2026-05-23 18:49:50] [INFO ] Computed and/alt/rep : 87/588/87 causal constraints (skipped 932 transitions) in 117 ms.
[2026-05-23 18:49:50] [INFO ] Added : 0 causal constraints over 0 iterations in 211 ms. Result :sat
Minimization took 1398 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 143 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 143/143 places, 1536/1536 transitions.
Applied a total of 0 rules in 27 ms. Remains 143 /143 variables (removed 0) and now considering 1536/1536 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 27 ms. Remains : 143/143 places, 1536/1536 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 143/143 places, 1536/1536 transitions.
Applied a total of 0 rules in 26 ms. Remains 143 /143 variables (removed 0) and now considering 1536/1536 (removed 0) transitions.
[2026-05-23 18:49:52] [INFO ] Flow matrix only has 1021 transitions (discarded 515 similar events)
[2026-05-23 18:49:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 18:49:52] [INFO ] Implicit Places using invariants in 372 ms returned []
[2026-05-23 18:49:52] [INFO ] Flow matrix only has 1021 transitions (discarded 515 similar events)
[2026-05-23 18:49:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 18:49:52] [INFO ] State equation strengthened by 112 read => feed constraints.
[2026-05-23 18:49:54] [INFO ] Implicit Places using invariants and state equation in 1516 ms returned []
Implicit Place search using SMT with State Equation took 1889 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 18:49:54] [INFO ] Redundant transitions in 27 ms returned []
Running 1534 sub problems to find dead transitions.
[2026-05-23 18:49:54] [INFO ] Flow matrix only has 1021 transitions (discarded 515 similar events)
[2026-05-23 18:49:54] [INFO ] Invariant cache hit.
[2026-05-23 18:49:54] [INFO ] State equation strengthened by 112 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/143 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/143 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
At refinement iteration 2 (OVERLAPS) 1021/1164 variables, 143/146 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1164 variables, 112/258 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1164/1164 variables, and 258 constraints, problems are : Problem set: 0 solved, 1534 unsolved in 30035 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 143/143 constraints, ReadFeed: 112/112 constraints, PredecessorRefiner: 1534/1534 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1534 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/143 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/143 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
At refinement iteration 2 (OVERLAPS) 1021/1164 variables, 143/146 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1164 variables, 112/258 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1164 variables, 1534/1792 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1164/1164 variables, and 1792 constraints, problems are : Problem set: 0 solved, 1534 unsolved in 30043 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 143/143 constraints, ReadFeed: 112/112 constraints, PredecessorRefiner: 1534/1534 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61124ms problems are : Problem set: 0 solved, 1534 unsolved
Search for dead transitions found 0 dead transitions in 61127ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 63081 ms. Remains : 143/143 places, 1536/1536 transitions.
[2026-05-23 18:50:55] [INFO ] Flow matrix only has 1021 transitions (discarded 515 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {18=1, 29=1, 693=1, 713=1, 980=1, 1001=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {18=1, 29=1, 722=1, 723=1, 1011=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 146 resets, run finished after 54 ms. (steps per millisecond=185 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[3] Max Struct:[+inf]
RANDOM walk for 40006 steps (402 resets) in 171 ms. (232 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (75 resets) in 48 ms. (816 steps per ms) remains 1/1 properties
[2026-05-23 18:50:56] [INFO ] Flatten gal took : 86 ms
[2026-05-23 18:50:56] [INFO ] Flatten gal took : 53 ms
[2026-05-23 18:50:56] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2296722433916168637.gal : 9 ms
[2026-05-23 18:50:56] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10821611947620643681.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/ReachabilityCardinality2296722433916168637.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10821611947620643681.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/ReachabilityCardinality10821611947620643681.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 12
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :12 after 83
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :83 after 660
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :660 after 2693
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :2693 after 15278
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :15278 after 58661
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :58661 after 195171
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :195171 after 6.94454e+06
Interrupted probabilistic random walk after 416159 steps, run timeout after 3001 ms. (steps per millisecond=138 ) properties seen :0 out of 1
Probabilistic random walk after 416159 steps, saw 283303 distinct states, run finished after 3001 ms. (steps per millisecond=138 ) properties seen :0
[2026-05-23 18:50:59] [INFO ] Flow matrix only has 1021 transitions (discarded 515 similar events)
[2026-05-23 18:50:59] [INFO ] Invariant cache hit.
[2026-05-23 18:50:59] [INFO ] State equation strengthened by 112 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) 33/34 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/34 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1031/1065 variables, 66/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1065 variables, 34/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1065 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 50/1115 variables, 2/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1115 variables, 36/139 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1115 variables, 0/139 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 49/1164 variables, 40/179 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1164 variables, 1/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1164 variables, 78/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1164 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/1164 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1164/1164 variables, and 258 constraints, problems are : Problem set: 0 solved, 1 unsolved in 513 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 143/143 constraints, ReadFeed: 112/112 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) 33/34 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/34 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1031/1065 variables, 66/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1065 variables, 34/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1065 variables, 1/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1065 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 50/1115 variables, 2/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1115 variables, 36/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1115 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 49/1164 variables, 40/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1164 variables, 1/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1164 variables, 78/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1164 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/1164 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1164/1164 variables, and 259 constraints, problems are : Problem set: 0 solved, 1 unsolved in 939 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 143/143 constraints, ReadFeed: 112/112 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1462ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 93 ms.
Support contains 1 out of 143 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 143/143 places, 1536/1536 transitions.
Applied a total of 0 rules in 23 ms. Remains 143 /143 variables (removed 0) and now considering 1536/1536 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23 ms. Remains : 143/143 places, 1536/1536 transitions.
RANDOM walk for 40004 steps (405 resets) in 125 ms. (317 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (81 resets) in 97 ms. (408 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :6.94454e+06 after 2.70773e+07
Interrupted probabilistic random walk after 399845 steps, run timeout after 3001 ms. (steps per millisecond=133 ) properties seen :0 out of 1
Probabilistic random walk after 399845 steps, saw 272385 distinct states, run finished after 3001 ms. (steps per millisecond=133 ) properties seen :0
[2026-05-23 18:51:03] [INFO ] Flow matrix only has 1021 transitions (discarded 515 similar events)
[2026-05-23 18:51:03] [INFO ] Invariant cache hit.
[2026-05-23 18:51:03] [INFO ] State equation strengthened by 112 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) 33/34 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/34 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1031/1065 variables, 66/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1065 variables, 34/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1065 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 50/1115 variables, 2/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1115 variables, 36/139 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1115 variables, 0/139 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 49/1164 variables, 40/179 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1164 variables, 1/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1164 variables, 78/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1164 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/1164 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1164/1164 variables, and 258 constraints, problems are : Problem set: 0 solved, 1 unsolved in 500 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 143/143 constraints, ReadFeed: 112/112 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) 33/34 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/34 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1031/1065 variables, 66/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1065 variables, 34/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1065 variables, 1/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1065 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 50/1115 variables, 2/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1115 variables, 36/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1115 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 49/1164 variables, 40/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1164 variables, 1/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1164 variables, 78/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1164 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/1164 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1164/1164 variables, and 259 constraints, problems are : Problem set: 0 solved, 1 unsolved in 911 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 143/143 constraints, ReadFeed: 112/112 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1439ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 94 ms.
Support contains 1 out of 143 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 143/143 places, 1536/1536 transitions.
Applied a total of 0 rules in 23 ms. Remains 143 /143 variables (removed 0) and now considering 1536/1536 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23 ms. Remains : 143/143 places, 1536/1536 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 143/143 places, 1536/1536 transitions.
Applied a total of 0 rules in 23 ms. Remains 143 /143 variables (removed 0) and now considering 1536/1536 (removed 0) transitions.
[2026-05-23 18:51:05] [INFO ] Flow matrix only has 1021 transitions (discarded 515 similar events)
[2026-05-23 18:51:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 18:51:05] [INFO ] Implicit Places using invariants in 377 ms returned []
[2026-05-23 18:51:05] [INFO ] Flow matrix only has 1021 transitions (discarded 515 similar events)
[2026-05-23 18:51:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 18:51:06] [INFO ] State equation strengthened by 112 read => feed constraints.
[2026-05-23 18:51:07] [INFO ] Implicit Places using invariants and state equation in 1538 ms returned []
Implicit Place search using SMT with State Equation took 1920 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 18:51:07] [INFO ] Redundant transitions in 33 ms returned []
Running 1534 sub problems to find dead transitions.
[2026-05-23 18:51:07] [INFO ] Flow matrix only has 1021 transitions (discarded 515 similar events)
[2026-05-23 18:51:07] [INFO ] Invariant cache hit.
[2026-05-23 18:51:07] [INFO ] State equation strengthened by 112 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/143 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :2.70773e+07 after 6.72957e+07
At refinement iteration 1 (INCLUDED_ONLY) 0/143 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
At refinement iteration 2 (OVERLAPS) 1021/1164 variables, 143/146 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 3 (INCLUDED_ONLY) 0/1164 variables, 112/258 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1164/1164 variables, and 258 constraints, problems are : Problem set: 0 solved, 1534 unsolved in 30040 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 143/143 constraints, ReadFeed: 112/112 constraints, PredecessorRefiner: 1534/1534 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1534 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/143 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
Detected timeout of ITS tools.
[2026-05-23 18:51:46] [INFO ] Flatten gal took : 44 ms
[2026-05-23 18:51:46] [INFO ] Applying decomposition
[2026-05-23 18:51:46] [INFO ] Flatten gal took : 48 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/graph1833551563043043082.txt' '-o' '/tmp/graph1833551563043043082.bin' '-w' '/tmp/graph1833551563043043082.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph1833551563043043082.bin' '-l' '-1' '-v' '-w' '/tmp/graph1833551563043043082.weights' '-q' '0' '-e' '0.001'
[2026-05-23 18:51:46] [INFO ] Decomposing Gal with order
[2026-05-23 18:51:46] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 18:51:46] [INFO ] Removed a total of 3594 redundant transitions.
[2026-05-23 18:51:46] [INFO ] Flatten gal took : 109 ms
[2026-05-23 18:51:46] [INFO ] Fuse similar labels procedure discarded/fused a total of 160 labels/synchronizations in 47 ms.
[2026-05-23 18:51:46] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11459377966204231124.gal : 16 ms
[2026-05-23 18:51:46] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14988105998290656027.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/ReachabilityCardinality11459377966204231124.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14988105998290656027.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/ReachabilityCardinality14988105998290656027.prop.
At refinement iteration 1 (INCLUDED_ONLY) 0/143 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
At refinement iteration 2 (OVERLAPS) 1021/1164 variables, 143/146 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1164 variables, 112/258 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1164 variables, 1534/1792 constraints. Problems are: Problem set: 0 solved, 1534 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1164/1164 variables, and 1792 constraints, problems are : Problem set: 0 solved, 1534 unsolved in 30043 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 143/143 constraints, ReadFeed: 112/112 constraints, PredecessorRefiner: 1534/1534 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61444ms problems are : Problem set: 0 solved, 1534 unsolved
Search for dead transitions found 0 dead transitions in 61447ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 63432 ms. Remains : 143/143 places, 1536/1536 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 515 transitions
Reduce isomorphic transitions removed 515 transitions.
Iterating post reduction 0 with 515 rules applied. Total rules applied 515 place count 143 transition count 1021
Performed 10 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 10 Pre rules applied. Total rules applied 515 place count 143 transition count 1011
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 1 with 20 rules applied. Total rules applied 535 place count 133 transition count 1011
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 1 with 6 rules applied. Total rules applied 541 place count 130 transition count 1008
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 542 place count 129 transition count 976
Iterating global reduction 1 with 1 rules applied. Total rules applied 543 place count 129 transition count 976
Applied a total of 543 rules in 47 ms. Remains 129 /143 variables (removed 14) and now considering 976/1536 (removed 560) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 976 rows 129 cols
[2026-05-23 18:52:08] [INFO ] Computed 3 invariants in 8 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-23 18:52:08] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2026-05-23 18:52:09] [INFO ] After 284ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-23 18:52:09] [INFO ] After 336ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :1
[2026-05-23 18:52:09] [INFO ] After 421ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :1
[2026-05-23 18:52:09] [INFO ] Flatten gal took : 29 ms
[2026-05-23 18:52:09] [INFO ] Flatten gal took : 32 ms
[2026-05-23 18:52:09] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16660452202488928536.gal : 6 ms
[2026-05-23 18:52:09] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9929884588426148834.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/ReachabilityCardinality16660452202488928536.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9929884588426148834.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/ReachabilityCardinality9929884588426148834.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 8
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :8 after 36
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :36 after 325
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :325 after 3102
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :3102 after 35893
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :35893 after 86745
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :86745 after 172257
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :172257 after 322656
Detected timeout of ITS tools.
[2026-05-23 18:52:24] [INFO ] Flatten gal took : 25 ms
[2026-05-23 18:52:24] [INFO ] Applying decomposition
[2026-05-23 18:52:24] [INFO ] Flatten gal took : 25 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/graph2736227001884419616.txt' '-o' '/tmp/graph2736227001884419616.bin' '-w' '/tmp/graph2736227001884419616.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph2736227001884419616.bin' '-l' '-1' '-v' '-w' '/tmp/graph2736227001884419616.weights' '-q' '0' '-e' '0.001'
[2026-05-23 18:52:24] [INFO ] Decomposing Gal with order
[2026-05-23 18:52:24] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 18:52:24] [INFO ] Removed a total of 2247 redundant transitions.
[2026-05-23 18:52:24] [INFO ] Flatten gal took : 52 ms
[2026-05-23 18:52:24] [INFO ] Fuse similar labels procedure discarded/fused a total of 120 labels/synchronizations in 13 ms.
[2026-05-23 18:52:24] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8671751501637838979.gal : 5 ms
[2026-05-23 18:52:24] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality957995779943429822.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/ReachabilityCardinality8671751501637838979.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality957995779943429822.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 ...306
Loading property file /tmp/ReachabilityCardinality957995779943429822.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 255
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :255 after 2816
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :395252 after 473913
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :473913 after 1.20783e+06
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :1.20783e+06 after 1.07555e+07
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :1.07555e+07 after 5.88122e+07
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :5.88122e+07 after 8.81704e+07
Detected timeout of ITS tools.
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30886 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[3] Max Struct:[+inf]
Ending property specific reduction for DoubleLock-PT-p2s2-UpperBounds-08 in 245237 ms.
[2026-05-23 18:52:39] [INFO ] Flatten gal took : 38 ms
[2026-05-23 18:52:39] [INFO ] Applying decomposition
[2026-05-23 18:52:39] [INFO ] Flatten gal took : 39 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/graph8230300108925277744.txt' '-o' '/tmp/graph8230300108925277744.bin' '-w' '/tmp/graph8230300108925277744.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph8230300108925277744.bin' '-l' '-1' '-v' '-w' '/tmp/graph8230300108925277744.weights' '-q' '0' '-e' '0.001'
[2026-05-23 18:52:39] [INFO ] Decomposing Gal with order
[2026-05-23 18:52:39] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 18:52:39] [INFO ] Removed a total of 3594 redundant transitions.
[2026-05-23 18:52:39] [INFO ] Flatten gal took : 80 ms
[2026-05-23 18:52:40] [INFO ] Fuse similar labels procedure discarded/fused a total of 150 labels/synchronizations in 17 ms.
[2026-05-23 18:52:40] [INFO ] Time to serialize gal into /tmp/UpperBounds18011723625704681226.gal : 6 ms
[2026-05-23 18:52:40] [INFO ] Time to serialize properties into /tmp/UpperBounds16687150564816662322.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/UpperBounds18011723625704681226.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds16687150564816662322.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 ...285
Loading property file /tmp/UpperBounds16687150564816662322.prop.
Detected timeout of ITS tools.
[2026-05-23 19:16:43] [INFO ] Flatten gal took : 38 ms
[2026-05-23 19:16:43] [INFO ] Time to serialize gal into /tmp/UpperBounds11273172508785307776.gal : 7 ms
[2026-05-23 19:16:43] [INFO ] Time to serialize properties into /tmp/UpperBounds1466946323696753313.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/UpperBounds11273172508785307776.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds1466946323696753313.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...305
Loading property file /tmp/UpperBounds1466946323696753313.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="DoubleLock-PT-p2s2"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="gold2025"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"
# this is specific to your benchmark or test
export BIN_DIR="$HOME/BenchKit/bin"
# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi
# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5973"
echo " Executing tool gold2025"
echo " Input is DoubleLock-PT-p2s2, 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 r127-smll-177955743800005"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/DoubleLock-PT-p2s2.tgz
mv DoubleLock-PT-p2s2 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 ;