About the Execution of 2024-gold for FunctionPointer-PT-b064
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 15687.100 | 3600000.00 | 4189008.00 | 13010.20 | ? 0 ? 1 0 1 64 0 ? 64 ? ? 64 ? 64 inf | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r111-smll-174867015800013.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................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=====================================================================
Generated by BenchKit 2-5832
Executing tool gold2024
Input is FunctionPointer-PT-b064, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r111-smll-174867015800013
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 792K
-rw-r--r-- 1 mcc users 4.9K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 44K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 48K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 147K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 5.6K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 40K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.1K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 5 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 391K May 29 14:32 model.pnml
--------------------
content from stdout:
=== Data for post analysis generated by BenchKit (invocation template)
The expected result is a vector of positive values
NUM_VECTOR
echo here is the order used to build the result vector(from xml file)
FORMULA_NAME FunctionPointer-PT-b064-UpperBounds-00
FORMULA_NAME FunctionPointer-PT-b064-UpperBounds-01
FORMULA_NAME FunctionPointer-PT-b064-UpperBounds-02
FORMULA_NAME FunctionPointer-PT-b064-UpperBounds-03
FORMULA_NAME FunctionPointer-PT-b064-UpperBounds-04
FORMULA_NAME FunctionPointer-PT-b064-UpperBounds-05
FORMULA_NAME FunctionPointer-PT-b064-UpperBounds-06
FORMULA_NAME FunctionPointer-PT-b064-UpperBounds-07
FORMULA_NAME FunctionPointer-PT-b064-UpperBounds-08
FORMULA_NAME FunctionPointer-PT-b064-UpperBounds-09
FORMULA_NAME FunctionPointer-PT-b064-UpperBounds-10
FORMULA_NAME FunctionPointer-PT-b064-UpperBounds-11
FORMULA_NAME FunctionPointer-PT-b064-UpperBounds-12
FORMULA_NAME FunctionPointer-PT-b064-UpperBounds-13
FORMULA_NAME FunctionPointer-PT-b064-UpperBounds-14
FORMULA_NAME FunctionPointer-PT-b064-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1748769578155
Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FunctionPointer-PT-b064
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202405141337
[2025-06-01 09:19:40] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-01 09:19:40] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-01 09:19:41] [INFO ] Load time of PNML (sax parser for PT used): 420 ms
[2025-06-01 09:19:41] [INFO ] Transformed 306 places.
[2025-06-01 09:19:41] [INFO ] Transformed 840 transitions.
[2025-06-01 09:19:41] [INFO ] Parsed PT model containing 306 places and 840 transitions and 3392 arcs in 872 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 18 ms.
Deduced a syphon composed of 84 places in 24 ms
Reduce places removed 84 places and 192 transitions.
FORMULA FunctionPointer-PT-b064-UpperBounds-01 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-b064-UpperBounds-04 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-b064-UpperBounds-07 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 1, 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, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 09:19:41] [INFO ] Flow matrix only has 414 transitions (discarded 234 similar events)
// Phase 1: matrix 414 rows 222 cols
[2025-06-01 09:19:41] [INFO ] Computed 4 invariants in 35 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, 1, 1, 64, +inf, 64, +inf, +inf, 64, +inf, 64, +inf]
FORMULA FunctionPointer-PT-b064-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 10014 steps (3 resets) in 76 ms. (130 steps per ms)
FORMULA FunctionPointer-PT-b064-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 110010 steps (64 resets) in 265 ms. (413 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[65, 3, 60, 1, 3, 38, 2, 2, 1, 2, 9] Max Struct:[+inf, +inf, 64, +inf, 64, +inf, +inf, 64, +inf, 64, +inf]
[2025-06-01 09:19:42] [INFO ] Flow matrix only has 414 transitions (discarded 234 similar events)
[2025-06-01 09:19:42] [INFO ] Invariant cache hit.
[2025-06-01 09:19:42] [INFO ] [Real]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-01 09:19:42] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 09:19:43] [INFO ] [Real]Absence check using state equation in 337 ms returned sat
[2025-06-01 09:19:43] [INFO ] State equation strengthened by 65 read => feed constraints.
[2025-06-01 09:19:43] [INFO ] [Real]Added 65 Read/Feed constraints in 35 ms returned sat
[2025-06-01 09:19:43] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:19:43] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 09:19:43] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-01 09:19:43] [INFO ] [Nat]Absence check using state equation in 268 ms returned sat
[2025-06-01 09:19:43] [INFO ] [Nat]Added 65 Read/Feed constraints in 42 ms returned sat
[2025-06-01 09:19:44] [INFO ] Deduced a trap composed of 22 places in 341 ms of which 48 ms to minimize.
[2025-06-01 09:19:44] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 416 ms
[2025-06-01 09:19:44] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 135 ms.
[2025-06-01 09:19:44] [INFO ] Added : 2 causal constraints over 1 iterations in 226 ms. Result :sat
Minimization took 146 ms.
[2025-06-01 09:19:44] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 09:19:44] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-01 09:19:44] [INFO ] [Real]Absence check using state equation in 161 ms returned sat
[2025-06-01 09:19:44] [INFO ] [Real]Added 65 Read/Feed constraints in 15 ms returned sat
[2025-06-01 09:19:44] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:19:44] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2025-06-01 09:19:44] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 09:19:45] [INFO ] [Nat]Absence check using state equation in 232 ms returned sat
[2025-06-01 09:19:45] [INFO ] [Nat]Added 65 Read/Feed constraints in 28 ms returned sat
[2025-06-01 09:19:45] [INFO ] Deduced a trap composed of 26 places in 255 ms of which 5 ms to minimize.
[2025-06-01 09:19:45] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 321 ms
[2025-06-01 09:19:45] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 133 ms.
[2025-06-01 09:19:45] [INFO ] Added : 1 causal constraints over 1 iterations in 227 ms. Result :sat
Minimization took 165 ms.
[2025-06-01 09:19:45] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 09:19:45] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 09:19:46] [INFO ] [Real]Absence check using state equation in 202 ms returned sat
[2025-06-01 09:19:46] [INFO ] [Real]Added 65 Read/Feed constraints in 16 ms returned sat
[2025-06-01 09:19:46] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:19:46] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 09:19:46] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 09:19:46] [INFO ] [Nat]Absence check using state equation in 202 ms returned sat
[2025-06-01 09:19:46] [INFO ] [Nat]Added 65 Read/Feed constraints in 21 ms returned sat
[2025-06-01 09:19:46] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 98 ms.
[2025-06-01 09:19:46] [INFO ] Added : 0 causal constraints over 0 iterations in 157 ms. Result :sat
Minimization took 213 ms.
[2025-06-01 09:19:47] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 09:19:47] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 09:19:47] [INFO ] [Real]Absence check using state equation in 201 ms returned sat
[2025-06-01 09:19:47] [INFO ] [Real]Added 65 Read/Feed constraints in 23 ms returned sat
[2025-06-01 09:19:47] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:19:47] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2025-06-01 09:19:47] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-01 09:19:47] [INFO ] [Nat]Absence check using state equation in 211 ms returned sat
[2025-06-01 09:19:47] [INFO ] [Nat]Added 65 Read/Feed constraints in 24 ms returned sat
[2025-06-01 09:19:47] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 75 ms.
[2025-06-01 09:19:47] [INFO ] Added : 2 causal constraints over 1 iterations in 170 ms. Result :sat
Minimization took 164 ms.
[2025-06-01 09:19:48] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2025-06-01 09:19:48] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 12 ms returned sat
[2025-06-01 09:19:48] [INFO ] [Real]Absence check using state equation in 177 ms returned sat
[2025-06-01 09:19:48] [INFO ] [Real]Added 65 Read/Feed constraints in 12 ms returned sat
[2025-06-01 09:19:48] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:19:48] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 09:19:48] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 09:19:48] [INFO ] [Nat]Absence check using state equation in 127 ms returned sat
[2025-06-01 09:19:48] [INFO ] [Nat]Added 65 Read/Feed constraints in 17 ms returned sat
[2025-06-01 09:19:48] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 46 ms.
[2025-06-01 09:19:48] [INFO ] Added : 1 causal constraints over 1 iterations in 105 ms. Result :sat
Minimization took 112 ms.
[2025-06-01 09:19:48] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 09:19:48] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 09:19:48] [INFO ] [Real]Absence check using state equation in 132 ms returned sat
[2025-06-01 09:19:49] [INFO ] [Real]Added 65 Read/Feed constraints in 20 ms returned sat
[2025-06-01 09:19:49] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:19:49] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 09:19:49] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-01 09:19:49] [INFO ] [Nat]Absence check using state equation in 139 ms returned sat
[2025-06-01 09:19:49] [INFO ] [Nat]Added 65 Read/Feed constraints in 23 ms returned sat
[2025-06-01 09:19:49] [INFO ] Deduced a trap composed of 22 places in 245 ms of which 5 ms to minimize.
[2025-06-01 09:19:49] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 292 ms
[2025-06-01 09:19:49] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 69 ms.
[2025-06-01 09:19:49] [INFO ] Added : 2 causal constraints over 1 iterations in 164 ms. Result :sat
Minimization took 181 ms.
[2025-06-01 09:19:50] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2025-06-01 09:19:50] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-01 09:19:50] [INFO ] [Real]Absence check using state equation in 206 ms returned sat
[2025-06-01 09:19:50] [INFO ] [Real]Added 65 Read/Feed constraints in 13 ms returned sat
[2025-06-01 09:19:50] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:19:50] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2025-06-01 09:19:50] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-01 09:19:50] [INFO ] [Nat]Absence check using state equation in 174 ms returned sat
[2025-06-01 09:19:50] [INFO ] [Nat]Added 65 Read/Feed constraints in 21 ms returned sat
[2025-06-01 09:19:50] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 50 ms.
[2025-06-01 09:19:50] [INFO ] Added : 4 causal constraints over 2 iterations in 173 ms. Result :sat
Minimization took 176 ms.
[2025-06-01 09:19:51] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 09:19:51] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-01 09:19:51] [INFO ] [Real]Absence check using state equation in 131 ms returned sat
[2025-06-01 09:19:51] [INFO ] [Real]Added 65 Read/Feed constraints in 13 ms returned sat
[2025-06-01 09:19:51] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:19:51] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 09:19:51] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-01 09:19:51] [INFO ] [Nat]Absence check using state equation in 185 ms returned sat
[2025-06-01 09:19:51] [INFO ] [Nat]Added 65 Read/Feed constraints in 23 ms returned sat
[2025-06-01 09:19:51] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 62 ms.
[2025-06-01 09:19:51] [INFO ] Added : 2 causal constraints over 1 iterations in 160 ms. Result :sat
Minimization took 166 ms.
[2025-06-01 09:19:51] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2025-06-01 09:19:51] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 09:19:52] [INFO ] [Real]Absence check using state equation in 211 ms returned sat
[2025-06-01 09:19:52] [INFO ] [Real]Added 65 Read/Feed constraints in 18 ms returned sat
[2025-06-01 09:19:52] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:19:52] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2025-06-01 09:19:52] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 09:19:52] [INFO ] [Nat]Absence check using state equation in 187 ms returned sat
[2025-06-01 09:19:52] [INFO ] [Nat]Added 65 Read/Feed constraints in 20 ms returned sat
[2025-06-01 09:19:52] [INFO ] Deduced a trap composed of 26 places in 269 ms of which 3 ms to minimize.
[2025-06-01 09:19:52] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 310 ms
[2025-06-01 09:19:52] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 40 ms.
[2025-06-01 09:19:52] [INFO ] Added : 2 causal constraints over 1 iterations in 94 ms. Result :sat
Minimization took 104 ms.
[2025-06-01 09:19:53] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 09:19:53] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 09:19:53] [INFO ] [Real]Absence check using state equation in 131 ms returned sat
[2025-06-01 09:19:53] [INFO ] [Real]Added 65 Read/Feed constraints in 13 ms returned sat
[2025-06-01 09:19:53] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:19:53] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2025-06-01 09:19:53] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 09:19:53] [INFO ] [Nat]Absence check using state equation in 197 ms returned sat
[2025-06-01 09:19:53] [INFO ] [Nat]Added 65 Read/Feed constraints in 24 ms returned sat
[2025-06-01 09:19:53] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 64 ms.
[2025-06-01 09:19:53] [INFO ] Added : 1 causal constraints over 1 iterations in 157 ms. Result :sat
Minimization took 178 ms.
[2025-06-01 09:19:53] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 09:19:53] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 09:19:54] [INFO ] [Real]Absence check using state equation in 211 ms returned sat
[2025-06-01 09:19:54] [INFO ] [Real]Added 65 Read/Feed constraints in 46 ms returned sat
[2025-06-01 09:19:54] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:19:54] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2025-06-01 09:19:54] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 09:19:54] [INFO ] [Nat]Absence check using state equation in 202 ms returned sat
[2025-06-01 09:19:54] [INFO ] [Nat]Added 65 Read/Feed constraints in 34 ms returned sat
[2025-06-01 09:19:54] [INFO ] Deduced a trap composed of 26 places in 290 ms of which 6 ms to minimize.
[2025-06-01 09:19:54] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 337 ms
[2025-06-01 09:19:55] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 59 ms.
[2025-06-01 09:19:55] [INFO ] Added : 1 causal constraints over 1 iterations in 147 ms. Result :sat
Minimization took 167 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[65, 3, 60, 1, 3, 38, 2, 2, 1, 2, 9] Max Struct:[+inf, +inf, 64, +inf, 64, +inf, +inf, 64, +inf, 64, +inf]
FORMULA FunctionPointer-PT-b064-UpperBounds-06 64 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[65, 3, 1, 3, 63, 2, 2, 1, 2, 9] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, 64, +inf, 64, +inf]
Support contains 10 out of 222 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 222/222 places, 648/648 transitions.
Graph (complete) has 932 edges and 222 vertex of which 194 are kept as prefixes of interest. Removing 28 places using SCC suffix rule.8 ms
Discarding 28 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 38 transitions
Reduce isomorphic transitions removed 38 transitions.
Iterating post reduction 0 with 38 rules applied. Total rules applied 39 place count 194 transition count 610
Discarding 27 places :
Symmetric choice reduction at 1 with 27 rule applications. Total rules 66 place count 167 transition count 466
Iterating global reduction 1 with 27 rules applied. Total rules applied 93 place count 167 transition count 466
Ensure Unique test removed 40 transitions
Reduce isomorphic transitions removed 40 transitions.
Iterating post reduction 1 with 40 rules applied. Total rules applied 133 place count 167 transition count 426
Discarding 13 places :
Symmetric choice reduction at 2 with 13 rule applications. Total rules 146 place count 154 transition count 400
Iterating global reduction 2 with 13 rules applied. Total rules applied 159 place count 154 transition count 400
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 166 place count 147 transition count 386
Iterating global reduction 2 with 7 rules applied. Total rules applied 173 place count 147 transition count 386
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 179 place count 141 transition count 362
Iterating global reduction 2 with 6 rules applied. Total rules applied 185 place count 141 transition count 362
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 190 place count 136 transition count 352
Iterating global reduction 2 with 5 rules applied. Total rules applied 195 place count 136 transition count 352
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 200 place count 131 transition count 332
Iterating global reduction 2 with 5 rules applied. Total rules applied 205 place count 131 transition count 332
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 209 place count 127 transition count 316
Iterating global reduction 2 with 4 rules applied. Total rules applied 213 place count 127 transition count 316
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 217 place count 123 transition count 308
Iterating global reduction 2 with 4 rules applied. Total rules applied 221 place count 123 transition count 308
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 225 place count 119 transition count 300
Iterating global reduction 2 with 4 rules applied. Total rules applied 229 place count 119 transition count 300
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 233 place count 115 transition count 292
Iterating global reduction 2 with 4 rules applied. Total rules applied 237 place count 115 transition count 292
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 241 place count 111 transition count 284
Iterating global reduction 2 with 4 rules applied. Total rules applied 245 place count 111 transition count 284
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 249 place count 107 transition count 276
Iterating global reduction 2 with 4 rules applied. Total rules applied 253 place count 107 transition count 276
Drop transitions (Redundant composition of simpler transitions.) removed 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 2 with 8 rules applied. Total rules applied 261 place count 107 transition count 268
Applied a total of 261 rules in 276 ms. Remains 107 /222 variables (removed 115) and now considering 268/648 (removed 380) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 298 ms. Remains : 107/222 places, 268/648 transitions.
[2025-06-01 09:19:56] [INFO ] Flow matrix only has 171 transitions (discarded 97 similar events)
Found an invariant !
This invariant on transitions {30=1, 85=1, 136=1, 168=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {33=1, 88=1, 139=1, 164=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 188 ms. (steps per millisecond=53 ) properties (out of 10) seen :[14, 3, 2, 2, 5, 5, 8, 2, 2, 4]
Current structural bounds on expressions (after cover walk) : Max Seen:[65, 3, 2, 3, 63, 5, 8, 2, 2, 9] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, 64, +inf, 64, +inf]
[2025-06-01 09:19:56] [INFO ] Flow matrix only has 171 transitions (discarded 97 similar events)
// Phase 1: matrix 171 rows 107 cols
[2025-06-01 09:19:56] [INFO ] Computed 3 invariants in 5 ms
Current structural bounds on expressions (after invariants) : Max Seen:[65, 3, 2, 3, 63, 5, 8, 2, 2, 9] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, 64, +inf, 64, +inf]
RANDOM walk for 1000002 steps (2 resets) in 1850 ms. (540 steps per ms)
BEST_FIRST walk for 10000010 steps (20 resets) in 12735 ms. (785 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[67, 124, 71, 63, 63, 145, 14, 66, 7, 140] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, 64, +inf, 64, +inf]
[2025-06-01 09:20:11] [INFO ] Flow matrix only has 171 transitions (discarded 97 similar events)
[2025-06-01 09:20:11] [INFO ] Invariant cache hit.
[2025-06-01 09:20:11] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 09:20:11] [INFO ] [Real]Absence check using state equation in 84 ms returned sat
[2025-06-01 09:20:11] [INFO ] State equation strengthened by 30 read => feed constraints.
[2025-06-01 09:20:11] [INFO ] [Real]Added 30 Read/Feed constraints in 13 ms returned sat
[2025-06-01 09:20:11] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:20:11] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 09:20:11] [INFO ] [Nat]Absence check using state equation in 92 ms returned sat
[2025-06-01 09:20:11] [INFO ] [Nat]Added 30 Read/Feed constraints in 12 ms returned sat
[2025-06-01 09:20:11] [INFO ] Deduced a trap composed of 32 places in 133 ms of which 3 ms to minimize.
[2025-06-01 09:20:11] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 157 ms
[2025-06-01 09:20:11] [INFO ] Computed and/alt/rep : 68/367/64 causal constraints (skipped 105 transitions) in 30 ms.
[2025-06-01 09:20:11] [INFO ] Added : 11 causal constraints over 3 iterations in 118 ms. Result :sat
Minimization took 52 ms.
[2025-06-01 09:20:11] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 09:20:12] [INFO ] [Real]Absence check using state equation in 89 ms returned sat
[2025-06-01 09:20:12] [INFO ] [Real]Added 30 Read/Feed constraints in 10 ms returned sat
[2025-06-01 09:20:12] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:20:12] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 09:20:12] [INFO ] [Nat]Absence check using state equation in 85 ms returned sat
[2025-06-01 09:20:12] [INFO ] [Nat]Added 30 Read/Feed constraints in 9 ms returned sat
[2025-06-01 09:20:12] [INFO ] Computed and/alt/rep : 68/367/64 causal constraints (skipped 105 transitions) in 20 ms.
[2025-06-01 09:20:12] [INFO ] Added : 22 causal constraints over 6 iterations in 161 ms. Result :sat
Minimization took 68 ms.
[2025-06-01 09:20:12] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 09:20:12] [INFO ] [Real]Absence check using state equation in 86 ms returned sat
[2025-06-01 09:20:12] [INFO ] [Real]Added 30 Read/Feed constraints in 9 ms returned sat
[2025-06-01 09:20:12] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:20:12] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 09:20:12] [INFO ] [Nat]Absence check using state equation in 73 ms returned sat
[2025-06-01 09:20:12] [INFO ] [Nat]Added 30 Read/Feed constraints in 9 ms returned sat
[2025-06-01 09:20:12] [INFO ] Computed and/alt/rep : 68/367/64 causal constraints (skipped 105 transitions) in 17 ms.
[2025-06-01 09:20:12] [INFO ] Added : 31 causal constraints over 8 iterations in 175 ms. Result :sat
Minimization took 70 ms.
[2025-06-01 09:20:13] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 09:20:13] [INFO ] [Real]Absence check using state equation in 86 ms returned sat
[2025-06-01 09:20:13] [INFO ] [Real]Added 30 Read/Feed constraints in 10 ms returned sat
[2025-06-01 09:20:13] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:20:13] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 09:20:13] [INFO ] [Nat]Absence check using state equation in 61 ms returned sat
[2025-06-01 09:20:13] [INFO ] [Nat]Added 30 Read/Feed constraints in 8 ms returned sat
[2025-06-01 09:20:13] [INFO ] Computed and/alt/rep : 68/367/64 causal constraints (skipped 105 transitions) in 17 ms.
[2025-06-01 09:20:13] [INFO ] Added : 1 causal constraints over 1 iterations in 42 ms. Result :sat
Minimization took 33 ms.
[2025-06-01 09:20:13] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 09:20:13] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2025-06-01 09:20:13] [INFO ] [Real]Added 30 Read/Feed constraints in 8 ms returned sat
[2025-06-01 09:20:13] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:20:13] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 09:20:13] [INFO ] [Nat]Absence check using state equation in 56 ms returned sat
[2025-06-01 09:20:13] [INFO ] [Nat]Added 30 Read/Feed constraints in 8 ms returned sat
[2025-06-01 09:20:13] [INFO ] Deduced a trap composed of 32 places in 94 ms of which 2 ms to minimize.
[2025-06-01 09:20:13] [INFO ] Deduced a trap composed of 27 places in 117 ms of which 3 ms to minimize.
[2025-06-01 09:20:13] [INFO ] Deduced a trap composed of 24 places in 117 ms of which 3 ms to minimize.
[2025-06-01 09:20:13] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 358 ms
[2025-06-01 09:20:13] [INFO ] Computed and/alt/rep : 68/367/64 causal constraints (skipped 105 transitions) in 14 ms.
[2025-06-01 09:20:14] [INFO ] Deduced a trap composed of 27 places in 102 ms of which 1 ms to minimize.
[2025-06-01 09:20:14] [INFO ] Deduced a trap composed of 23 places in 81 ms of which 2 ms to minimize.
[2025-06-01 09:20:14] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 218 ms
[2025-06-01 09:20:14] [INFO ] Added : 7 causal constraints over 3 iterations in 289 ms. Result :sat
Minimization took 36 ms.
[2025-06-01 09:20:14] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 09:20:14] [INFO ] [Real]Absence check using state equation in 52 ms returned sat
[2025-06-01 09:20:14] [INFO ] [Real]Added 30 Read/Feed constraints in 5 ms returned sat
[2025-06-01 09:20:14] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:20:14] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 09:20:14] [INFO ] [Nat]Absence check using state equation in 56 ms returned sat
[2025-06-01 09:20:14] [INFO ] [Nat]Added 30 Read/Feed constraints in 7 ms returned sat
[2025-06-01 09:20:14] [INFO ] Deduced a trap composed of 29 places in 69 ms of which 2 ms to minimize.
[2025-06-01 09:20:14] [INFO ] Deduced a trap composed of 31 places in 68 ms of which 2 ms to minimize.
[2025-06-01 09:20:14] [INFO ] Deduced a trap composed of 32 places in 68 ms of which 1 ms to minimize.
[2025-06-01 09:20:14] [INFO ] Deduced a trap composed of 31 places in 72 ms of which 2 ms to minimize.
[2025-06-01 09:20:14] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 313 ms
[2025-06-01 09:20:14] [INFO ] Computed and/alt/rep : 68/367/64 causal constraints (skipped 105 transitions) in 13 ms.
[2025-06-01 09:20:14] [INFO ] Added : 13 causal constraints over 4 iterations in 84 ms. Result :sat
Minimization took 39 ms.
[2025-06-01 09:20:14] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 09:20:15] [INFO ] [Real]Absence check using state equation in 55 ms returned sat
[2025-06-01 09:20:15] [INFO ] [Real]Added 30 Read/Feed constraints in 6 ms returned sat
[2025-06-01 09:20:15] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:20:15] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 09:20:15] [INFO ] [Nat]Absence check using state equation in 59 ms returned sat
[2025-06-01 09:20:15] [INFO ] [Nat]Added 30 Read/Feed constraints in 7 ms returned sat
[2025-06-01 09:20:15] [INFO ] Computed and/alt/rep : 68/367/64 causal constraints (skipped 105 transitions) in 15 ms.
[2025-06-01 09:20:15] [INFO ] Added : 4 causal constraints over 1 iterations in 44 ms. Result :sat
Minimization took 53 ms.
[2025-06-01 09:20:15] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 09:20:15] [INFO ] [Real]Absence check using state equation in 54 ms returned sat
[2025-06-01 09:20:15] [INFO ] [Real]Added 30 Read/Feed constraints in 6 ms returned sat
[2025-06-01 09:20:15] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:20:15] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 09:20:15] [INFO ] [Nat]Absence check using state equation in 58 ms returned sat
[2025-06-01 09:20:15] [INFO ] [Nat]Added 30 Read/Feed constraints in 7 ms returned sat
[2025-06-01 09:20:15] [INFO ] Computed and/alt/rep : 68/367/64 causal constraints (skipped 105 transitions) in 14 ms.
[2025-06-01 09:20:15] [INFO ] Added : 27 causal constraints over 7 iterations in 116 ms. Result :sat
Minimization took 44 ms.
[2025-06-01 09:20:15] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 09:20:15] [INFO ] [Real]Absence check using state equation in 53 ms returned sat
[2025-06-01 09:20:15] [INFO ] [Real]Added 30 Read/Feed constraints in 6 ms returned sat
[2025-06-01 09:20:15] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:20:15] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 09:20:15] [INFO ] [Nat]Absence check using state equation in 92 ms returned sat
[2025-06-01 09:20:15] [INFO ] [Nat]Added 30 Read/Feed constraints in 12 ms returned sat
[2025-06-01 09:20:15] [INFO ] Computed and/alt/rep : 68/367/64 causal constraints (skipped 105 transitions) in 23 ms.
[2025-06-01 09:20:15] [INFO ] Added : 1 causal constraints over 1 iterations in 69 ms. Result :sat
Minimization took 56 ms.
[2025-06-01 09:20:16] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 09:20:16] [INFO ] [Real]Absence check using state equation in 86 ms returned sat
[2025-06-01 09:20:16] [INFO ] [Real]Added 30 Read/Feed constraints in 13 ms returned sat
[2025-06-01 09:20:16] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:20:16] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 09:20:16] [INFO ] [Nat]Absence check using state equation in 57 ms returned sat
[2025-06-01 09:20:16] [INFO ] [Nat]Added 30 Read/Feed constraints in 7 ms returned sat
[2025-06-01 09:20:16] [INFO ] Computed and/alt/rep : 68/367/64 causal constraints (skipped 105 transitions) in 13 ms.
[2025-06-01 09:20:16] [INFO ] Added : 18 causal constraints over 5 iterations in 91 ms. Result :sat
Minimization took 40 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[67, 124, 71, 63, 63, 145, 14, 66, 7, 140] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, 64, +inf, 64, +inf]
FORMULA FunctionPointer-PT-b064-UpperBounds-14 64 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[67, 124, 71, 63, 64, 145, 27, 66, 140] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, 64, +inf, +inf]
Support contains 9 out of 107 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 107/107 places, 268/268 transitions.
Applied a total of 0 rules in 11 ms. Remains 107 /107 variables (removed 0) and now considering 268/268 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 107/107 places, 268/268 transitions.
[2025-06-01 09:20:18] [INFO ] Flow matrix only has 171 transitions (discarded 97 similar events)
Found an invariant !
This invariant on transitions {30=1, 85=1, 136=1, 168=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {33=1, 88=1, 139=1, 164=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 174 ms. (steps per millisecond=57 ) properties (out of 9) seen :[11, 6, 2, 3, 8, 6, 11, 3, 7]
Current structural bounds on expressions (after cover walk) : Max Seen:[67, 124, 71, 63, 64, 145, 27, 66, 140] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, 64, +inf, +inf]
[2025-06-01 09:20:18] [INFO ] Flow matrix only has 171 transitions (discarded 97 similar events)
[2025-06-01 09:20:18] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[67, 124, 71, 63, 64, 145, 27, 66, 140] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, 64, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1444 ms. (692 steps per ms)
BEST_FIRST walk for 9000009 steps (18 resets) in 10735 ms. (838 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[80, 140, 71, 63, 64, 157, 63, 66, 167] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, 64, +inf, +inf]
[2025-06-01 09:20:30] [INFO ] Flow matrix only has 171 transitions (discarded 97 similar events)
[2025-06-01 09:20:30] [INFO ] Invariant cache hit.
[2025-06-01 09:20:30] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 09:20:30] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2025-06-01 09:20:30] [INFO ] State equation strengthened by 30 read => feed constraints.
[2025-06-01 09:20:30] [INFO ] [Real]Added 30 Read/Feed constraints in 8 ms returned sat
[2025-06-01 09:20:30] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:20:30] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 09:20:30] [INFO ] [Nat]Absence check using state equation in 58 ms returned sat
[2025-06-01 09:20:30] [INFO ] [Nat]Added 30 Read/Feed constraints in 8 ms returned sat
[2025-06-01 09:20:30] [INFO ] Deduced a trap composed of 32 places in 74 ms of which 2 ms to minimize.
[2025-06-01 09:20:30] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 88 ms
[2025-06-01 09:20:30] [INFO ] Computed and/alt/rep : 68/367/64 causal constraints (skipped 105 transitions) in 16 ms.
[2025-06-01 09:20:31] [INFO ] Added : 11 causal constraints over 3 iterations in 66 ms. Result :sat
Minimization took 37 ms.
[2025-06-01 09:20:31] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 09:20:31] [INFO ] [Real]Absence check using state equation in 63 ms returned sat
[2025-06-01 09:20:31] [INFO ] [Real]Added 30 Read/Feed constraints in 7 ms returned sat
[2025-06-01 09:20:31] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:20:31] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 09:20:31] [INFO ] [Nat]Absence check using state equation in 79 ms returned sat
[2025-06-01 09:20:31] [INFO ] [Nat]Added 30 Read/Feed constraints in 10 ms returned sat
[2025-06-01 09:20:31] [INFO ] Computed and/alt/rep : 68/367/64 causal constraints (skipped 105 transitions) in 20 ms.
[2025-06-01 09:20:31] [INFO ] Added : 22 causal constraints over 6 iterations in 168 ms. Result :sat
Minimization took 67 ms.
[2025-06-01 09:20:31] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 09:20:31] [INFO ] [Real]Absence check using state equation in 86 ms returned sat
[2025-06-01 09:20:31] [INFO ] [Real]Added 30 Read/Feed constraints in 7 ms returned sat
[2025-06-01 09:20:31] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:20:31] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 09:20:31] [INFO ] [Nat]Absence check using state equation in 86 ms returned sat
[2025-06-01 09:20:31] [INFO ] [Nat]Added 30 Read/Feed constraints in 8 ms returned sat
[2025-06-01 09:20:31] [INFO ] Computed and/alt/rep : 68/367/64 causal constraints (skipped 105 transitions) in 21 ms.
[2025-06-01 09:20:32] [INFO ] Added : 31 causal constraints over 8 iterations in 170 ms. Result :sat
Minimization took 48 ms.
[2025-06-01 09:20:32] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 09:20:32] [INFO ] [Real]Absence check using state equation in 77 ms returned sat
[2025-06-01 09:20:32] [INFO ] [Real]Added 30 Read/Feed constraints in 7 ms returned sat
[2025-06-01 09:20:32] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:20:32] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 09:20:32] [INFO ] [Nat]Absence check using state equation in 74 ms returned sat
[2025-06-01 09:20:32] [INFO ] [Nat]Added 30 Read/Feed constraints in 20 ms returned sat
[2025-06-01 09:20:32] [INFO ] Computed and/alt/rep : 68/367/64 causal constraints (skipped 105 transitions) in 21 ms.
[2025-06-01 09:20:32] [INFO ] Added : 1 causal constraints over 1 iterations in 52 ms. Result :sat
Minimization took 34 ms.
[2025-06-01 09:20:32] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 09:20:32] [INFO ] [Real]Absence check using state equation in 73 ms returned sat
[2025-06-01 09:20:32] [INFO ] [Real]Added 30 Read/Feed constraints in 10 ms returned sat
[2025-06-01 09:20:32] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:20:32] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 09:20:32] [INFO ] [Nat]Absence check using state equation in 75 ms returned sat
[2025-06-01 09:20:32] [INFO ] [Nat]Added 30 Read/Feed constraints in 10 ms returned sat
[2025-06-01 09:20:32] [INFO ] Deduced a trap composed of 33 places in 88 ms of which 1 ms to minimize.
[2025-06-01 09:20:32] [INFO ] Deduced a trap composed of 21 places in 68 ms of which 1 ms to minimize.
[2025-06-01 09:20:33] [INFO ] Deduced a trap composed of 25 places in 69 ms of which 2 ms to minimize.
[2025-06-01 09:20:33] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 260 ms
[2025-06-01 09:20:33] [INFO ] Computed and/alt/rep : 68/367/64 causal constraints (skipped 105 transitions) in 13 ms.
[2025-06-01 09:20:33] [INFO ] Added : 12 causal constraints over 3 iterations in 64 ms. Result :sat
Minimization took 65 ms.
[2025-06-01 09:20:33] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 09:20:33] [INFO ] [Real]Absence check using state equation in 81 ms returned sat
[2025-06-01 09:20:33] [INFO ] [Real]Added 30 Read/Feed constraints in 11 ms returned sat
[2025-06-01 09:20:33] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:20:33] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 09:20:33] [INFO ] [Nat]Absence check using state equation in 81 ms returned sat
[2025-06-01 09:20:33] [INFO ] [Nat]Added 30 Read/Feed constraints in 9 ms returned sat
[2025-06-01 09:20:33] [INFO ] Deduced a trap composed of 29 places in 101 ms of which 2 ms to minimize.
[2025-06-01 09:20:33] [INFO ] Deduced a trap composed of 31 places in 110 ms of which 3 ms to minimize.
[2025-06-01 09:20:33] [INFO ] Deduced a trap composed of 32 places in 125 ms of which 2 ms to minimize.
[2025-06-01 09:20:33] [INFO ] Deduced a trap composed of 31 places in 114 ms of which 3 ms to minimize.
[2025-06-01 09:20:33] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 502 ms
[2025-06-01 09:20:34] [INFO ] Computed and/alt/rep : 68/367/64 causal constraints (skipped 105 transitions) in 22 ms.
[2025-06-01 09:20:34] [INFO ] Added : 13 causal constraints over 4 iterations in 125 ms. Result :sat
Minimization took 66 ms.
[2025-06-01 09:20:34] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 09:20:34] [INFO ] [Real]Absence check using state equation in 87 ms returned sat
[2025-06-01 09:20:34] [INFO ] [Real]Added 30 Read/Feed constraints in 11 ms returned sat
[2025-06-01 09:20:34] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:20:34] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 09:20:34] [INFO ] [Nat]Absence check using state equation in 86 ms returned sat
[2025-06-01 09:20:34] [INFO ] [Nat]Added 30 Read/Feed constraints in 15 ms returned sat
[2025-06-01 09:20:34] [INFO ] Deduced a trap composed of 24 places in 85 ms of which 2 ms to minimize.
[2025-06-01 09:20:34] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 106 ms
[2025-06-01 09:20:34] [INFO ] Computed and/alt/rep : 68/367/64 causal constraints (skipped 105 transitions) in 22 ms.
[2025-06-01 09:20:34] [INFO ] Added : 4 causal constraints over 1 iterations in 65 ms. Result :sat
Minimization took 58 ms.
[2025-06-01 09:20:34] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 09:20:34] [INFO ] [Real]Absence check using state equation in 89 ms returned sat
[2025-06-01 09:20:34] [INFO ] [Real]Added 30 Read/Feed constraints in 9 ms returned sat
[2025-06-01 09:20:34] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:20:34] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 09:20:35] [INFO ] [Nat]Absence check using state equation in 89 ms returned sat
[2025-06-01 09:20:35] [INFO ] [Nat]Added 30 Read/Feed constraints in 9 ms returned sat
[2025-06-01 09:20:35] [INFO ] Computed and/alt/rep : 68/367/64 causal constraints (skipped 105 transitions) in 23 ms.
[2025-06-01 09:20:35] [INFO ] Added : 27 causal constraints over 7 iterations in 178 ms. Result :sat
Minimization took 43 ms.
[2025-06-01 09:20:35] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 09:20:35] [INFO ] [Real]Absence check using state equation in 87 ms returned sat
[2025-06-01 09:20:35] [INFO ] [Real]Added 30 Read/Feed constraints in 13 ms returned sat
[2025-06-01 09:20:35] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:20:35] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 09:20:35] [INFO ] [Nat]Absence check using state equation in 58 ms returned sat
[2025-06-01 09:20:35] [INFO ] [Nat]Added 30 Read/Feed constraints in 7 ms returned sat
[2025-06-01 09:20:35] [INFO ] Computed and/alt/rep : 68/367/64 causal constraints (skipped 105 transitions) in 14 ms.
[2025-06-01 09:20:35] [INFO ] Added : 18 causal constraints over 5 iterations in 94 ms. Result :sat
Minimization took 41 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[80, 140, 71, 63, 64, 157, 63, 66, 167] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, 64, +inf, +inf]
FORMULA FunctionPointer-PT-b064-UpperBounds-12 64 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[80, 140, 71, 63, 64, 157, 66, 167] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf]
Support contains 8 out of 107 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 107/107 places, 268/268 transitions.
Applied a total of 0 rules in 11 ms. Remains 107 /107 variables (removed 0) and now considering 268/268 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15 ms. Remains : 107/107 places, 268/268 transitions.
[2025-06-01 09:20:37] [INFO ] Flow matrix only has 171 transitions (discarded 97 similar events)
Found an invariant !
This invariant on transitions {30=1, 85=1, 136=1, 168=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {33=1, 88=1, 139=1, 164=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 51 ms. (steps per millisecond=196 ) properties (out of 8) seen :[5, 3, 2, 1, 12, 7, 2, 6]
Current structural bounds on expressions (after cover walk) : Max Seen:[80, 140, 71, 63, 64, 157, 66, 167] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf]
[2025-06-01 09:20:37] [INFO ] Flow matrix only has 171 transitions (discarded 97 similar events)
[2025-06-01 09:20:37] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[80, 140, 71, 63, 64, 157, 66, 167] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 978 ms. (1021 steps per ms)
BEST_FIRST walk for 8000008 steps (16 resets) in 8745 ms. (914 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[83, 140, 71, 63, 64, 157, 66, 167] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf]
[2025-06-01 09:20:47] [INFO ] Flow matrix only has 171 transitions (discarded 97 similar events)
[2025-06-01 09:20:47] [INFO ] Invariant cache hit.
[2025-06-01 09:20:47] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 09:20:47] [INFO ] [Real]Absence check using state equation in 54 ms returned sat
[2025-06-01 09:20:47] [INFO ] State equation strengthened by 30 read => feed constraints.
[2025-06-01 09:20:47] [INFO ] [Real]Added 30 Read/Feed constraints in 6 ms returned sat
[2025-06-01 09:20:47] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:20:47] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 09:20:47] [INFO ] [Nat]Absence check using state equation in 54 ms returned sat
[2025-06-01 09:20:47] [INFO ] [Nat]Added 30 Read/Feed constraints in 8 ms returned sat
[2025-06-01 09:20:47] [INFO ] Deduced a trap composed of 32 places in 74 ms of which 3 ms to minimize.
[2025-06-01 09:20:47] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 94 ms
[2025-06-01 09:20:47] [INFO ] Computed and/alt/rep : 68/367/64 causal constraints (skipped 105 transitions) in 21 ms.
[2025-06-01 09:20:47] [INFO ] Added : 11 causal constraints over 3 iterations in 100 ms. Result :sat
Minimization took 59 ms.
[2025-06-01 09:20:48] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 09:20:48] [INFO ] [Real]Absence check using state equation in 88 ms returned sat
[2025-06-01 09:20:48] [INFO ] [Real]Added 30 Read/Feed constraints in 11 ms returned sat
[2025-06-01 09:20:48] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:20:48] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 09:20:48] [INFO ] [Nat]Absence check using state equation in 88 ms returned sat
[2025-06-01 09:20:48] [INFO ] [Nat]Added 30 Read/Feed constraints in 11 ms returned sat
[2025-06-01 09:20:48] [INFO ] Computed and/alt/rep : 68/367/64 causal constraints (skipped 105 transitions) in 22 ms.
[2025-06-01 09:20:48] [INFO ] Added : 22 causal constraints over 6 iterations in 161 ms. Result :sat
Minimization took 63 ms.
[2025-06-01 09:20:48] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 09:20:48] [INFO ] [Real]Absence check using state equation in 90 ms returned sat
[2025-06-01 09:20:48] [INFO ] [Real]Added 30 Read/Feed constraints in 10 ms returned sat
[2025-06-01 09:20:48] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:20:48] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 09:20:48] [INFO ] [Nat]Absence check using state equation in 90 ms returned sat
[2025-06-01 09:20:48] [INFO ] [Nat]Added 30 Read/Feed constraints in 10 ms returned sat
[2025-06-01 09:20:48] [INFO ] Computed and/alt/rep : 68/367/64 causal constraints (skipped 105 transitions) in 24 ms.
[2025-06-01 09:20:49] [INFO ] Added : 31 causal constraints over 8 iterations in 194 ms. Result :sat
Minimization took 70 ms.
[2025-06-01 09:20:49] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 09:20:49] [INFO ] [Real]Absence check using state equation in 88 ms returned sat
[2025-06-01 09:20:49] [INFO ] [Real]Added 30 Read/Feed constraints in 11 ms returned sat
[2025-06-01 09:20:49] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:20:49] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 09:20:49] [INFO ] [Nat]Absence check using state equation in 90 ms returned sat
[2025-06-01 09:20:49] [INFO ] [Nat]Added 30 Read/Feed constraints in 13 ms returned sat
[2025-06-01 09:20:49] [INFO ] Computed and/alt/rep : 68/367/64 causal constraints (skipped 105 transitions) in 21 ms.
[2025-06-01 09:20:49] [INFO ] Added : 1 causal constraints over 1 iterations in 60 ms. Result :sat
Minimization took 54 ms.
[2025-06-01 09:20:49] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 09:20:49] [INFO ] [Real]Absence check using state equation in 87 ms returned sat
[2025-06-01 09:20:49] [INFO ] [Real]Added 30 Read/Feed constraints in 13 ms returned sat
[2025-06-01 09:20:49] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:20:49] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 09:20:49] [INFO ] [Nat]Absence check using state equation in 87 ms returned sat
[2025-06-01 09:20:49] [INFO ] [Nat]Added 30 Read/Feed constraints in 15 ms returned sat
[2025-06-01 09:20:50] [INFO ] Deduced a trap composed of 33 places in 106 ms of which 3 ms to minimize.
[2025-06-01 09:20:50] [INFO ] Deduced a trap composed of 21 places in 138 ms of which 2 ms to minimize.
[2025-06-01 09:20:50] [INFO ] Deduced a trap composed of 25 places in 131 ms of which 3 ms to minimize.
[2025-06-01 09:20:50] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 421 ms
[2025-06-01 09:20:50] [INFO ] Computed and/alt/rep : 68/367/64 causal constraints (skipped 105 transitions) in 22 ms.
[2025-06-01 09:20:50] [INFO ] Added : 12 causal constraints over 3 iterations in 102 ms. Result :sat
Minimization took 60 ms.
[2025-06-01 09:20:50] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 09:20:50] [INFO ] [Real]Absence check using state equation in 88 ms returned sat
[2025-06-01 09:20:50] [INFO ] [Real]Added 30 Read/Feed constraints in 10 ms returned sat
[2025-06-01 09:20:50] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:20:50] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2025-06-01 09:20:50] [INFO ] [Nat]Absence check using state equation in 88 ms returned sat
[2025-06-01 09:20:50] [INFO ] [Nat]Added 30 Read/Feed constraints in 11 ms returned sat
[2025-06-01 09:20:50] [INFO ] Deduced a trap composed of 29 places in 124 ms of which 3 ms to minimize.
[2025-06-01 09:20:51] [INFO ] Deduced a trap composed of 31 places in 134 ms of which 2 ms to minimize.
[2025-06-01 09:20:51] [INFO ] Deduced a trap composed of 32 places in 127 ms of which 2 ms to minimize.
[2025-06-01 09:20:51] [INFO ] Deduced a trap composed of 31 places in 116 ms of which 2 ms to minimize.
[2025-06-01 09:20:51] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 555 ms
[2025-06-01 09:20:51] [INFO ] Computed and/alt/rep : 68/367/64 causal constraints (skipped 105 transitions) in 21 ms.
[2025-06-01 09:20:51] [INFO ] Added : 13 causal constraints over 4 iterations in 122 ms. Result :sat
Minimization took 64 ms.
[2025-06-01 09:20:51] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 09:20:51] [INFO ] [Real]Absence check using state equation in 89 ms returned sat
[2025-06-01 09:20:51] [INFO ] [Real]Added 30 Read/Feed constraints in 9 ms returned sat
[2025-06-01 09:20:51] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:20:51] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 09:20:51] [INFO ] [Nat]Absence check using state equation in 89 ms returned sat
[2025-06-01 09:20:51] [INFO ] [Nat]Added 30 Read/Feed constraints in 9 ms returned sat
[2025-06-01 09:20:51] [INFO ] Computed and/alt/rep : 68/367/64 causal constraints (skipped 105 transitions) in 23 ms.
[2025-06-01 09:20:52] [INFO ] Added : 27 causal constraints over 7 iterations in 184 ms. Result :sat
Minimization took 70 ms.
[2025-06-01 09:20:52] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 09:20:52] [INFO ] [Real]Absence check using state equation in 92 ms returned sat
[2025-06-01 09:20:52] [INFO ] [Real]Added 30 Read/Feed constraints in 12 ms returned sat
[2025-06-01 09:20:52] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:20:52] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 09:20:52] [INFO ] [Nat]Absence check using state equation in 86 ms returned sat
[2025-06-01 09:20:52] [INFO ] [Nat]Added 30 Read/Feed constraints in 10 ms returned sat
[2025-06-01 09:20:52] [INFO ] Computed and/alt/rep : 68/367/64 causal constraints (skipped 105 transitions) in 21 ms.
[2025-06-01 09:20:52] [INFO ] Added : 18 causal constraints over 5 iterations in 146 ms. Result :sat
Minimization took 64 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[83, 140, 71, 63, 64, 157, 66, 167] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[83, 140, 71, 63, 64, 157, 66, 167] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf]
Support contains 8 out of 107 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 107/107 places, 268/268 transitions.
Applied a total of 0 rules in 16 ms. Remains 107 /107 variables (removed 0) and now considering 268/268 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 16 ms. Remains : 107/107 places, 268/268 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 107/107 places, 268/268 transitions.
Applied a total of 0 rules in 10 ms. Remains 107 /107 variables (removed 0) and now considering 268/268 (removed 0) transitions.
[2025-06-01 09:20:54] [INFO ] Flow matrix only has 171 transitions (discarded 97 similar events)
[2025-06-01 09:20:54] [INFO ] Invariant cache hit.
[2025-06-01 09:20:54] [INFO ] Implicit Places using invariants in 118 ms returned []
[2025-06-01 09:20:54] [INFO ] Flow matrix only has 171 transitions (discarded 97 similar events)
[2025-06-01 09:20:54] [INFO ] Invariant cache hit.
[2025-06-01 09:20:54] [INFO ] State equation strengthened by 30 read => feed constraints.
[2025-06-01 09:20:55] [INFO ] Implicit Places using invariants and state equation in 234 ms returned []
Implicit Place search using SMT with State Equation took 353 ms to find 0 implicit places.
[2025-06-01 09:20:55] [INFO ] Redundant transitions in 14 ms returned []
Running 266 sub problems to find dead transitions.
[2025-06-01 09:20:55] [INFO ] Flow matrix only has 171 transitions (discarded 97 similar events)
[2025-06-01 09:20:55] [INFO ] Invariant cache hit.
[2025-06-01 09:20:55] [INFO ] State equation strengthened by 30 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/107 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/107 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 2 (OVERLAPS) 171/278 variables, 107/110 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/278 variables, 30/140 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/278 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 5 (OVERLAPS) 0/278 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 266 unsolved
No progress, stopping.
After SMT solving in domain Real declared 278/278 variables, and 140 constraints, problems are : Problem set: 0 solved, 266 unsolved in 10006 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 107/107 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 266/266 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 266 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/107 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/107 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 2 (OVERLAPS) 171/278 variables, 107/110 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/278 variables, 30/140 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/278 variables, 266/406 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/278 variables, 0/406 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 6 (OVERLAPS) 0/278 variables, 0/406 constraints. Problems are: Problem set: 0 solved, 266 unsolved
No progress, stopping.
After SMT solving in domain Int declared 278/278 variables, and 406 constraints, problems are : Problem set: 0 solved, 266 unsolved in 11338 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 107/107 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 266/266 constraints, Known Traps: 0/0 constraints]
After SMT, in 21927ms problems are : Problem set: 0 solved, 266 unsolved
Search for dead transitions found 0 dead transitions in 21944ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 22345 ms. Remains : 107/107 places, 268/268 transitions.
[2025-06-01 09:21:17] [INFO ] Flow matrix only has 171 transitions (discarded 97 similar events)
Found an invariant !
This invariant on transitions {30=1, 85=1, 136=1, 168=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {33=1, 88=1, 139=1, 164=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 50 ms. (steps per millisecond=200 ) properties (out of 8) seen :[16, 2, 2, 3, 8, 9, 2, 6]
Current structural bounds on expressions (after cover walk) : Max Seen:[83, 140, 71, 63, 64, 157, 66, 167] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf]
[2025-06-01 09:21:17] [INFO ] Flow matrix only has 171 transitions (discarded 97 similar events)
[2025-06-01 09:21:17] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[83, 140, 71, 63, 64, 157, 66, 167] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1477 ms. (676 steps per ms)
BEST_FIRST walk for 8000008 steps (16 resets) in 11534 ms. (693 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[83, 140, 71, 63, 64, 162, 66, 167] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf]
[2025-06-01 09:21:30] [INFO ] Flow matrix only has 171 transitions (discarded 97 similar events)
[2025-06-01 09:21:30] [INFO ] Invariant cache hit.
[2025-06-01 09:21:30] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 09:21:30] [INFO ] [Real]Absence check using state equation in 63 ms returned sat
[2025-06-01 09:21:30] [INFO ] State equation strengthened by 30 read => feed constraints.
[2025-06-01 09:21:30] [INFO ] [Real]Added 30 Read/Feed constraints in 7 ms returned sat
[2025-06-01 09:21:30] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:21:30] [INFO ] [Nat]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-01 09:21:30] [INFO ] [Nat]Absence check using state equation in 58 ms returned sat
[2025-06-01 09:21:30] [INFO ] [Nat]Added 30 Read/Feed constraints in 7 ms returned sat
[2025-06-01 09:21:30] [INFO ] Deduced a trap composed of 32 places in 71 ms of which 2 ms to minimize.
[2025-06-01 09:21:30] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 86 ms
[2025-06-01 09:21:30] [INFO ] Computed and/alt/rep : 68/367/64 causal constraints (skipped 105 transitions) in 14 ms.
[2025-06-01 09:21:30] [INFO ] Added : 11 causal constraints over 3 iterations in 63 ms. Result :sat
Minimization took 37 ms.
[2025-06-01 09:21:30] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 09:21:30] [INFO ] [Real]Absence check using state equation in 87 ms returned sat
[2025-06-01 09:21:30] [INFO ] [Real]Added 30 Read/Feed constraints in 11 ms returned sat
[2025-06-01 09:21:30] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:21:30] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 09:21:31] [INFO ] [Nat]Absence check using state equation in 88 ms returned sat
[2025-06-01 09:21:31] [INFO ] [Nat]Added 30 Read/Feed constraints in 10 ms returned sat
[2025-06-01 09:21:31] [INFO ] Computed and/alt/rep : 68/367/64 causal constraints (skipped 105 transitions) in 22 ms.
[2025-06-01 09:21:31] [INFO ] Added : 22 causal constraints over 6 iterations in 173 ms. Result :sat
Minimization took 67 ms.
[2025-06-01 09:21:31] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 09:21:31] [INFO ] [Real]Absence check using state equation in 90 ms returned sat
[2025-06-01 09:21:31] [INFO ] [Real]Added 30 Read/Feed constraints in 9 ms returned sat
[2025-06-01 09:21:31] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:21:31] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 09:21:31] [INFO ] [Nat]Absence check using state equation in 85 ms returned sat
[2025-06-01 09:21:31] [INFO ] [Nat]Added 30 Read/Feed constraints in 9 ms returned sat
[2025-06-01 09:21:31] [INFO ] Computed and/alt/rep : 68/367/64 causal constraints (skipped 105 transitions) in 21 ms.
[2025-06-01 09:21:31] [INFO ] Added : 31 causal constraints over 8 iterations in 199 ms. Result :sat
Minimization took 69 ms.
[2025-06-01 09:21:31] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 09:21:32] [INFO ] [Real]Absence check using state equation in 88 ms returned sat
[2025-06-01 09:21:32] [INFO ] [Real]Added 30 Read/Feed constraints in 10 ms returned sat
[2025-06-01 09:21:32] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:21:32] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 09:21:32] [INFO ] [Nat]Absence check using state equation in 88 ms returned sat
[2025-06-01 09:21:32] [INFO ] [Nat]Added 30 Read/Feed constraints in 12 ms returned sat
[2025-06-01 09:21:32] [INFO ] Computed and/alt/rep : 68/367/64 causal constraints (skipped 105 transitions) in 21 ms.
[2025-06-01 09:21:32] [INFO ] Added : 1 causal constraints over 1 iterations in 61 ms. Result :sat
Minimization took 55 ms.
[2025-06-01 09:21:32] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 09:21:32] [INFO ] [Real]Absence check using state equation in 88 ms returned sat
[2025-06-01 09:21:32] [INFO ] [Real]Added 30 Read/Feed constraints in 15 ms returned sat
[2025-06-01 09:21:32] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:21:32] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 09:21:32] [INFO ] [Nat]Absence check using state equation in 90 ms returned sat
[2025-06-01 09:21:32] [INFO ] [Nat]Added 30 Read/Feed constraints in 15 ms returned sat
[2025-06-01 09:21:32] [INFO ] Deduced a trap composed of 33 places in 127 ms of which 3 ms to minimize.
[2025-06-01 09:21:32] [INFO ] Deduced a trap composed of 21 places in 129 ms of which 10 ms to minimize.
[2025-06-01 09:21:33] [INFO ] Deduced a trap composed of 25 places in 121 ms of which 3 ms to minimize.
[2025-06-01 09:21:33] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 429 ms
[2025-06-01 09:21:33] [INFO ] Computed and/alt/rep : 68/367/64 causal constraints (skipped 105 transitions) in 21 ms.
[2025-06-01 09:21:33] [INFO ] Added : 12 causal constraints over 3 iterations in 101 ms. Result :sat
Minimization took 61 ms.
[2025-06-01 09:21:33] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 09:21:33] [INFO ] [Real]Absence check using state equation in 88 ms returned sat
[2025-06-01 09:21:33] [INFO ] [Real]Added 30 Read/Feed constraints in 9 ms returned sat
[2025-06-01 09:21:33] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:21:33] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 09:21:33] [INFO ] [Nat]Absence check using state equation in 88 ms returned sat
[2025-06-01 09:21:33] [INFO ] [Nat]Added 30 Read/Feed constraints in 9 ms returned sat
[2025-06-01 09:21:33] [INFO ] Deduced a trap composed of 29 places in 129 ms of which 3 ms to minimize.
[2025-06-01 09:21:33] [INFO ] Deduced a trap composed of 31 places in 128 ms of which 2 ms to minimize.
[2025-06-01 09:21:34] [INFO ] Deduced a trap composed of 32 places in 127 ms of which 2 ms to minimize.
[2025-06-01 09:21:34] [INFO ] Deduced a trap composed of 31 places in 130 ms of which 2 ms to minimize.
[2025-06-01 09:21:34] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 584 ms
[2025-06-01 09:21:34] [INFO ] Computed and/alt/rep : 68/367/64 causal constraints (skipped 105 transitions) in 21 ms.
[2025-06-01 09:21:34] [INFO ] Added : 13 causal constraints over 4 iterations in 127 ms. Result :sat
Minimization took 66 ms.
[2025-06-01 09:21:34] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 09:21:34] [INFO ] [Real]Absence check using state equation in 90 ms returned sat
[2025-06-01 09:21:34] [INFO ] [Real]Added 30 Read/Feed constraints in 10 ms returned sat
[2025-06-01 09:21:34] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:21:34] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 09:21:34] [INFO ] [Nat]Absence check using state equation in 88 ms returned sat
[2025-06-01 09:21:34] [INFO ] [Nat]Added 30 Read/Feed constraints in 9 ms returned sat
[2025-06-01 09:21:34] [INFO ] Computed and/alt/rep : 68/367/64 causal constraints (skipped 105 transitions) in 23 ms.
[2025-06-01 09:21:34] [INFO ] Added : 27 causal constraints over 7 iterations in 181 ms. Result :sat
Minimization took 69 ms.
[2025-06-01 09:21:35] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 09:21:35] [INFO ] [Real]Absence check using state equation in 85 ms returned sat
[2025-06-01 09:21:35] [INFO ] [Real]Added 30 Read/Feed constraints in 12 ms returned sat
[2025-06-01 09:21:35] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:21:35] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 09:21:35] [INFO ] [Nat]Absence check using state equation in 88 ms returned sat
[2025-06-01 09:21:35] [INFO ] [Nat]Added 30 Read/Feed constraints in 10 ms returned sat
[2025-06-01 09:21:35] [INFO ] Computed and/alt/rep : 68/367/64 causal constraints (skipped 105 transitions) in 23 ms.
[2025-06-01 09:21:35] [INFO ] Added : 18 causal constraints over 5 iterations in 149 ms. Result :sat
Minimization took 65 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[83, 140, 71, 63, 64, 162, 66, 167] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[83, 140, 71, 63, 64, 162, 66, 167] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf]
Support contains 8 out of 107 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 107/107 places, 268/268 transitions.
Applied a total of 0 rules in 8 ms. Remains 107 /107 variables (removed 0) and now considering 268/268 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 107/107 places, 268/268 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 107/107 places, 268/268 transitions.
Applied a total of 0 rules in 7 ms. Remains 107 /107 variables (removed 0) and now considering 268/268 (removed 0) transitions.
[2025-06-01 09:21:38] [INFO ] Flow matrix only has 171 transitions (discarded 97 similar events)
[2025-06-01 09:21:38] [INFO ] Invariant cache hit.
[2025-06-01 09:21:38] [INFO ] Implicit Places using invariants in 114 ms returned []
[2025-06-01 09:21:38] [INFO ] Flow matrix only has 171 transitions (discarded 97 similar events)
[2025-06-01 09:21:38] [INFO ] Invariant cache hit.
[2025-06-01 09:21:38] [INFO ] State equation strengthened by 30 read => feed constraints.
[2025-06-01 09:21:38] [INFO ] Implicit Places using invariants and state equation in 234 ms returned []
Implicit Place search using SMT with State Equation took 354 ms to find 0 implicit places.
[2025-06-01 09:21:38] [INFO ] Redundant transitions in 4 ms returned []
Running 266 sub problems to find dead transitions.
[2025-06-01 09:21:38] [INFO ] Flow matrix only has 171 transitions (discarded 97 similar events)
[2025-06-01 09:21:38] [INFO ] Invariant cache hit.
[2025-06-01 09:21:38] [INFO ] State equation strengthened by 30 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/107 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/107 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 2 (OVERLAPS) 171/278 variables, 107/110 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/278 variables, 30/140 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/278 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 5 (OVERLAPS) 0/278 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 266 unsolved
No progress, stopping.
After SMT solving in domain Real declared 278/278 variables, and 140 constraints, problems are : Problem set: 0 solved, 266 unsolved in 11312 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 107/107 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 266/266 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 266 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/107 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/107 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 2 (OVERLAPS) 171/278 variables, 107/110 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/278 variables, 30/140 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/278 variables, 266/406 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/278 variables, 0/406 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 6 (OVERLAPS) 0/278 variables, 0/406 constraints. Problems are: Problem set: 0 solved, 266 unsolved
No progress, stopping.
After SMT solving in domain Int declared 278/278 variables, and 406 constraints, problems are : Problem set: 0 solved, 266 unsolved in 13637 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 107/107 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 266/266 constraints, Known Traps: 0/0 constraints]
After SMT, in 25216ms problems are : Problem set: 0 solved, 266 unsolved
Search for dead transitions found 0 dead transitions in 25221ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25597 ms. Remains : 107/107 places, 268/268 transitions.
[2025-06-01 09:22:03] [INFO ] Flow matrix only has 171 transitions (discarded 97 similar events)
Found an invariant !
This invariant on transitions {30=1, 85=1, 136=1, 168=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {33=1, 88=1, 139=1, 164=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 49 ms. (steps per millisecond=204 ) properties (out of 8) seen :[15, 6, 1, 2, 5, 4, 2, 4]
Current structural bounds on expressions (after cover walk) : Max Seen:[83, 140, 71, 63, 64, 162, 66, 167] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf]
[2025-06-01 09:22:04] [INFO ] Flow matrix only has 171 transitions (discarded 97 similar events)
[2025-06-01 09:22:04] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[83, 140, 71, 63, 64, 162, 66, 167] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1616 ms. (618 steps per ms)
BEST_FIRST walk for 8000008 steps (16 resets) in 11395 ms. (702 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[83, 154, 71, 63, 65, 162, 66, 167] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf]
[2025-06-01 09:22:17] [INFO ] Flow matrix only has 171 transitions (discarded 97 similar events)
[2025-06-01 09:22:17] [INFO ] Invariant cache hit.
[2025-06-01 09:22:17] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 09:22:17] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2025-06-01 09:22:17] [INFO ] State equation strengthened by 30 read => feed constraints.
[2025-06-01 09:22:17] [INFO ] [Real]Added 30 Read/Feed constraints in 7 ms returned sat
[2025-06-01 09:22:17] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:22:17] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 09:22:17] [INFO ] [Nat]Absence check using state equation in 72 ms returned sat
[2025-06-01 09:22:17] [INFO ] [Nat]Added 30 Read/Feed constraints in 9 ms returned sat
[2025-06-01 09:22:17] [INFO ] Deduced a trap composed of 32 places in 111 ms of which 2 ms to minimize.
[2025-06-01 09:22:17] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 131 ms
[2025-06-01 09:22:17] [INFO ] Computed and/alt/rep : 68/367/64 causal constraints (skipped 105 transitions) in 19 ms.
[2025-06-01 09:22:17] [INFO ] Added : 11 causal constraints over 3 iterations in 93 ms. Result :sat
Minimization took 54 ms.
[2025-06-01 09:22:17] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 09:22:17] [INFO ] [Real]Absence check using state equation in 84 ms returned sat
[2025-06-01 09:22:17] [INFO ] [Real]Added 30 Read/Feed constraints in 10 ms returned sat
[2025-06-01 09:22:17] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:22:17] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 09:22:17] [INFO ] [Nat]Absence check using state equation in 88 ms returned sat
[2025-06-01 09:22:17] [INFO ] [Nat]Added 30 Read/Feed constraints in 9 ms returned sat
[2025-06-01 09:22:17] [INFO ] Computed and/alt/rep : 68/367/64 causal constraints (skipped 105 transitions) in 22 ms.
[2025-06-01 09:22:18] [INFO ] Added : 22 causal constraints over 6 iterations in 164 ms. Result :sat
Minimization took 70 ms.
[2025-06-01 09:22:18] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 09:22:18] [INFO ] [Real]Absence check using state equation in 89 ms returned sat
[2025-06-01 09:22:18] [INFO ] [Real]Added 30 Read/Feed constraints in 10 ms returned sat
[2025-06-01 09:22:18] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:22:18] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 09:22:18] [INFO ] [Nat]Absence check using state equation in 88 ms returned sat
[2025-06-01 09:22:18] [INFO ] [Nat]Added 30 Read/Feed constraints in 11 ms returned sat
[2025-06-01 09:22:18] [INFO ] Computed and/alt/rep : 68/367/64 causal constraints (skipped 105 transitions) in 22 ms.
[2025-06-01 09:22:18] [INFO ] Added : 31 causal constraints over 8 iterations in 202 ms. Result :sat
Minimization took 70 ms.
[2025-06-01 09:22:18] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 09:22:18] [INFO ] [Real]Absence check using state equation in 90 ms returned sat
[2025-06-01 09:22:18] [INFO ] [Real]Added 30 Read/Feed constraints in 11 ms returned sat
[2025-06-01 09:22:18] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:22:19] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 09:22:19] [INFO ] [Nat]Absence check using state equation in 88 ms returned sat
[2025-06-01 09:22:19] [INFO ] [Nat]Added 30 Read/Feed constraints in 13 ms returned sat
[2025-06-01 09:22:19] [INFO ] Computed and/alt/rep : 68/367/64 causal constraints (skipped 105 transitions) in 34 ms.
[2025-06-01 09:22:19] [INFO ] Added : 1 causal constraints over 1 iterations in 76 ms. Result :sat
Minimization took 55 ms.
[2025-06-01 09:22:19] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 09:22:19] [INFO ] [Real]Absence check using state equation in 91 ms returned sat
[2025-06-01 09:22:19] [INFO ] [Real]Added 30 Read/Feed constraints in 15 ms returned sat
[2025-06-01 09:22:19] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:22:19] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 09:22:19] [INFO ] [Nat]Absence check using state equation in 89 ms returned sat
[2025-06-01 09:22:19] [INFO ] [Nat]Added 30 Read/Feed constraints in 14 ms returned sat
[2025-06-01 09:22:19] [INFO ] Deduced a trap composed of 34 places in 126 ms of which 2 ms to minimize.
[2025-06-01 09:22:19] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 146 ms
[2025-06-01 09:22:19] [INFO ] Computed and/alt/rep : 68/367/64 causal constraints (skipped 105 transitions) in 23 ms.
[2025-06-01 09:22:19] [INFO ] Added : 9 causal constraints over 2 iterations in 88 ms. Result :sat
Minimization took 58 ms.
[2025-06-01 09:22:19] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 09:22:20] [INFO ] [Real]Absence check using state equation in 90 ms returned sat
[2025-06-01 09:22:20] [INFO ] [Real]Added 30 Read/Feed constraints in 10 ms returned sat
[2025-06-01 09:22:20] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:22:20] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 09:22:20] [INFO ] [Nat]Absence check using state equation in 88 ms returned sat
[2025-06-01 09:22:20] [INFO ] [Nat]Added 30 Read/Feed constraints in 10 ms returned sat
[2025-06-01 09:22:20] [INFO ] Deduced a trap composed of 29 places in 104 ms of which 2 ms to minimize.
[2025-06-01 09:22:20] [INFO ] Deduced a trap composed of 31 places in 119 ms of which 2 ms to minimize.
[2025-06-01 09:22:20] [INFO ] Deduced a trap composed of 32 places in 123 ms of which 2 ms to minimize.
[2025-06-01 09:22:20] [INFO ] Deduced a trap composed of 31 places in 114 ms of which 2 ms to minimize.
[2025-06-01 09:22:20] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 513 ms
[2025-06-01 09:22:20] [INFO ] Computed and/alt/rep : 68/367/64 causal constraints (skipped 105 transitions) in 22 ms.
[2025-06-01 09:22:20] [INFO ] Added : 13 causal constraints over 4 iterations in 125 ms. Result :sat
Minimization took 65 ms.
[2025-06-01 09:22:20] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 09:22:21] [INFO ] [Real]Absence check using state equation in 90 ms returned sat
[2025-06-01 09:22:21] [INFO ] [Real]Added 30 Read/Feed constraints in 9 ms returned sat
[2025-06-01 09:22:21] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:22:21] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 09:22:21] [INFO ] [Nat]Absence check using state equation in 90 ms returned sat
[2025-06-01 09:22:21] [INFO ] [Nat]Added 30 Read/Feed constraints in 11 ms returned sat
[2025-06-01 09:22:21] [INFO ] Computed and/alt/rep : 68/367/64 causal constraints (skipped 105 transitions) in 23 ms.
[2025-06-01 09:22:21] [INFO ] Added : 27 causal constraints over 7 iterations in 185 ms. Result :sat
Minimization took 69 ms.
[2025-06-01 09:22:21] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 09:22:21] [INFO ] [Real]Absence check using state equation in 83 ms returned sat
[2025-06-01 09:22:21] [INFO ] [Real]Added 30 Read/Feed constraints in 13 ms returned sat
[2025-06-01 09:22:21] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:22:21] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 09:22:21] [INFO ] [Nat]Absence check using state equation in 84 ms returned sat
[2025-06-01 09:22:21] [INFO ] [Nat]Added 30 Read/Feed constraints in 10 ms returned sat
[2025-06-01 09:22:21] [INFO ] Computed and/alt/rep : 68/367/64 causal constraints (skipped 105 transitions) in 23 ms.
[2025-06-01 09:22:22] [INFO ] Added : 18 causal constraints over 5 iterations in 149 ms. Result :sat
Minimization took 65 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[83, 154, 71, 63, 65, 162, 66, 167] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[83, 154, 71, 63, 65, 162, 66, 167] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf]
Support contains 8 out of 107 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 107/107 places, 268/268 transitions.
Applied a total of 0 rules in 7 ms. Remains 107 /107 variables (removed 0) and now considering 268/268 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 107/107 places, 268/268 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 107/107 places, 268/268 transitions.
Applied a total of 0 rules in 7 ms. Remains 107 /107 variables (removed 0) and now considering 268/268 (removed 0) transitions.
[2025-06-01 09:22:24] [INFO ] Flow matrix only has 171 transitions (discarded 97 similar events)
[2025-06-01 09:22:24] [INFO ] Invariant cache hit.
[2025-06-01 09:22:24] [INFO ] Implicit Places using invariants in 124 ms returned []
[2025-06-01 09:22:24] [INFO ] Flow matrix only has 171 transitions (discarded 97 similar events)
[2025-06-01 09:22:24] [INFO ] Invariant cache hit.
[2025-06-01 09:22:24] [INFO ] State equation strengthened by 30 read => feed constraints.
[2025-06-01 09:22:24] [INFO ] Implicit Places using invariants and state equation in 249 ms returned []
Implicit Place search using SMT with State Equation took 388 ms to find 0 implicit places.
[2025-06-01 09:22:24] [INFO ] Redundant transitions in 4 ms returned []
Running 266 sub problems to find dead transitions.
[2025-06-01 09:22:24] [INFO ] Flow matrix only has 171 transitions (discarded 97 similar events)
[2025-06-01 09:22:24] [INFO ] Invariant cache hit.
[2025-06-01 09:22:24] [INFO ] State equation strengthened by 30 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/107 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/107 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 2 (OVERLAPS) 171/278 variables, 107/110 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/278 variables, 30/140 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/278 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 5 (OVERLAPS) 0/278 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 266 unsolved
No progress, stopping.
After SMT solving in domain Real declared 278/278 variables, and 140 constraints, problems are : Problem set: 0 solved, 266 unsolved in 9267 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 107/107 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 266/266 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 266 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/107 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/107 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 2 (OVERLAPS) 171/278 variables, 107/110 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/278 variables, 30/140 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/278 variables, 266/406 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/278 variables, 0/406 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 6 (OVERLAPS) 0/278 variables, 0/406 constraints. Problems are: Problem set: 0 solved, 266 unsolved
No progress, stopping.
After SMT solving in domain Int declared 278/278 variables, and 406 constraints, problems are : Problem set: 0 solved, 266 unsolved in 12414 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 107/107 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 266/266 constraints, Known Traps: 0/0 constraints]
After SMT, in 22049ms problems are : Problem set: 0 solved, 266 unsolved
Search for dead transitions found 0 dead transitions in 22052ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 22458 ms. Remains : 107/107 places, 268/268 transitions.
[2025-06-01 09:22:46] [INFO ] Flow matrix only has 171 transitions (discarded 97 similar events)
Found an invariant !
This invariant on transitions {30=1, 85=1, 136=1, 168=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {33=1, 88=1, 139=1, 164=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 81 ms. (steps per millisecond=123 ) properties (out of 8) seen :[8, 2, 2, 2, 7, 7, 2, 7]
Current structural bounds on expressions (after cover walk) : Max Seen:[83, 154, 71, 63, 65, 162, 66, 167] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf]
[2025-06-01 09:22:46] [INFO ] Flow matrix only has 171 transitions (discarded 97 similar events)
[2025-06-01 09:22:46] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[83, 154, 71, 63, 65, 162, 66, 167] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1748 ms. (571 steps per ms)
BEST_FIRST walk for 8000008 steps (16 resets) in 9136 ms. (875 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[83, 154, 71, 63, 65, 162, 66, 167] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf]
[2025-06-01 09:22:57] [INFO ] Flow matrix only has 171 transitions (discarded 97 similar events)
[2025-06-01 09:22:57] [INFO ] Invariant cache hit.
[2025-06-01 09:22:57] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 09:22:57] [INFO ] [Real]Absence check using state equation in 48 ms returned sat
[2025-06-01 09:22:57] [INFO ] State equation strengthened by 30 read => feed constraints.
[2025-06-01 09:22:57] [INFO ] [Real]Added 30 Read/Feed constraints in 5 ms returned sat
[2025-06-01 09:22:57] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:22:58] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 09:22:58] [INFO ] [Nat]Absence check using state equation in 55 ms returned sat
[2025-06-01 09:22:58] [INFO ] [Nat]Added 30 Read/Feed constraints in 7 ms returned sat
[2025-06-01 09:22:58] [INFO ] Deduced a trap composed of 32 places in 66 ms of which 2 ms to minimize.
[2025-06-01 09:22:58] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 83 ms
[2025-06-01 09:22:58] [INFO ] Computed and/alt/rep : 68/367/64 causal constraints (skipped 105 transitions) in 13 ms.
[2025-06-01 09:22:58] [INFO ] Added : 11 causal constraints over 3 iterations in 60 ms. Result :sat
Minimization took 36 ms.
[2025-06-01 09:22:58] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 09:22:58] [INFO ] [Real]Absence check using state equation in 90 ms returned sat
[2025-06-01 09:22:58] [INFO ] [Real]Added 30 Read/Feed constraints in 11 ms returned sat
[2025-06-01 09:22:58] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:22:58] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 09:22:58] [INFO ] [Nat]Absence check using state equation in 77 ms returned sat
[2025-06-01 09:22:58] [INFO ] [Nat]Added 30 Read/Feed constraints in 8 ms returned sat
[2025-06-01 09:22:58] [INFO ] Computed and/alt/rep : 68/367/64 causal constraints (skipped 105 transitions) in 21 ms.
[2025-06-01 09:22:58] [INFO ] Added : 22 causal constraints over 6 iterations in 163 ms. Result :sat
Minimization took 67 ms.
[2025-06-01 09:22:58] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 09:22:58] [INFO ] [Real]Absence check using state equation in 88 ms returned sat
[2025-06-01 09:22:58] [INFO ] [Real]Added 30 Read/Feed constraints in 9 ms returned sat
[2025-06-01 09:22:58] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:22:59] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 09:22:59] [INFO ] [Nat]Absence check using state equation in 94 ms returned sat
[2025-06-01 09:22:59] [INFO ] [Nat]Added 30 Read/Feed constraints in 13 ms returned sat
[2025-06-01 09:22:59] [INFO ] Computed and/alt/rep : 68/367/64 causal constraints (skipped 105 transitions) in 20 ms.
[2025-06-01 09:22:59] [INFO ] Added : 31 causal constraints over 8 iterations in 198 ms. Result :sat
Minimization took 71 ms.
[2025-06-01 09:22:59] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 09:22:59] [INFO ] [Real]Absence check using state equation in 88 ms returned sat
[2025-06-01 09:22:59] [INFO ] [Real]Added 30 Read/Feed constraints in 12 ms returned sat
[2025-06-01 09:22:59] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:22:59] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 09:22:59] [INFO ] [Nat]Absence check using state equation in 87 ms returned sat
[2025-06-01 09:22:59] [INFO ] [Nat]Added 30 Read/Feed constraints in 15 ms returned sat
[2025-06-01 09:22:59] [INFO ] Computed and/alt/rep : 68/367/64 causal constraints (skipped 105 transitions) in 20 ms.
[2025-06-01 09:22:59] [INFO ] Added : 1 causal constraints over 1 iterations in 59 ms. Result :sat
Minimization took 55 ms.
[2025-06-01 09:22:59] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 09:23:00] [INFO ] [Real]Absence check using state equation in 87 ms returned sat
[2025-06-01 09:23:00] [INFO ] [Real]Added 30 Read/Feed constraints in 13 ms returned sat
[2025-06-01 09:23:00] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:23:00] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 09:23:00] [INFO ] [Nat]Absence check using state equation in 87 ms returned sat
[2025-06-01 09:23:00] [INFO ] [Nat]Added 30 Read/Feed constraints in 11 ms returned sat
[2025-06-01 09:23:00] [INFO ] Deduced a trap composed of 34 places in 123 ms of which 2 ms to minimize.
[2025-06-01 09:23:00] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 151 ms
[2025-06-01 09:23:00] [INFO ] Computed and/alt/rep : 68/367/64 causal constraints (skipped 105 transitions) in 24 ms.
[2025-06-01 09:23:00] [INFO ] Added : 9 causal constraints over 2 iterations in 88 ms. Result :sat
Minimization took 60 ms.
[2025-06-01 09:23:00] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 09:23:00] [INFO ] [Real]Absence check using state equation in 93 ms returned sat
[2025-06-01 09:23:00] [INFO ] [Real]Added 30 Read/Feed constraints in 10 ms returned sat
[2025-06-01 09:23:00] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:23:00] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 09:23:00] [INFO ] [Nat]Absence check using state equation in 87 ms returned sat
[2025-06-01 09:23:00] [INFO ] [Nat]Added 30 Read/Feed constraints in 10 ms returned sat
[2025-06-01 09:23:00] [INFO ] Deduced a trap composed of 29 places in 107 ms of which 2 ms to minimize.
[2025-06-01 09:23:01] [INFO ] Deduced a trap composed of 31 places in 117 ms of which 2 ms to minimize.
[2025-06-01 09:23:01] [INFO ] Deduced a trap composed of 32 places in 123 ms of which 4 ms to minimize.
[2025-06-01 09:23:01] [INFO ] Deduced a trap composed of 31 places in 120 ms of which 3 ms to minimize.
[2025-06-01 09:23:01] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 522 ms
[2025-06-01 09:23:01] [INFO ] Computed and/alt/rep : 68/367/64 causal constraints (skipped 105 transitions) in 22 ms.
[2025-06-01 09:23:01] [INFO ] Added : 13 causal constraints over 4 iterations in 124 ms. Result :sat
Minimization took 64 ms.
[2025-06-01 09:23:01] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 09:23:01] [INFO ] [Real]Absence check using state equation in 88 ms returned sat
[2025-06-01 09:23:01] [INFO ] [Real]Added 30 Read/Feed constraints in 8 ms returned sat
[2025-06-01 09:23:01] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:23:01] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 09:23:01] [INFO ] [Nat]Absence check using state equation in 88 ms returned sat
[2025-06-01 09:23:01] [INFO ] [Nat]Added 30 Read/Feed constraints in 10 ms returned sat
[2025-06-01 09:23:01] [INFO ] Computed and/alt/rep : 68/367/64 causal constraints (skipped 105 transitions) in 23 ms.
[2025-06-01 09:23:02] [INFO ] Added : 27 causal constraints over 7 iterations in 180 ms. Result :sat
Minimization took 70 ms.
[2025-06-01 09:23:02] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 09:23:02] [INFO ] [Real]Absence check using state equation in 85 ms returned sat
[2025-06-01 09:23:02] [INFO ] [Real]Added 30 Read/Feed constraints in 12 ms returned sat
[2025-06-01 09:23:02] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:23:02] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 09:23:02] [INFO ] [Nat]Absence check using state equation in 89 ms returned sat
[2025-06-01 09:23:02] [INFO ] [Nat]Added 30 Read/Feed constraints in 10 ms returned sat
[2025-06-01 09:23:02] [INFO ] Computed and/alt/rep : 68/367/64 causal constraints (skipped 105 transitions) in 23 ms.
[2025-06-01 09:23:02] [INFO ] Added : 18 causal constraints over 5 iterations in 145 ms. Result :sat
Minimization took 64 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[83, 154, 71, 63, 65, 162, 66, 167] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[83, 154, 71, 63, 65, 162, 66, 167] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf]
Support contains 8 out of 107 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 107/107 places, 268/268 transitions.
Applied a total of 0 rules in 6 ms. Remains 107 /107 variables (removed 0) and now considering 268/268 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 107/107 places, 268/268 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 107/107 places, 268/268 transitions.
Applied a total of 0 rules in 6 ms. Remains 107 /107 variables (removed 0) and now considering 268/268 (removed 0) transitions.
[2025-06-01 09:23:05] [INFO ] Flow matrix only has 171 transitions (discarded 97 similar events)
[2025-06-01 09:23:05] [INFO ] Invariant cache hit.
[2025-06-01 09:23:05] [INFO ] Implicit Places using invariants in 128 ms returned []
[2025-06-01 09:23:05] [INFO ] Flow matrix only has 171 transitions (discarded 97 similar events)
[2025-06-01 09:23:05] [INFO ] Invariant cache hit.
[2025-06-01 09:23:05] [INFO ] State equation strengthened by 30 read => feed constraints.
[2025-06-01 09:23:05] [INFO ] Implicit Places using invariants and state equation in 342 ms returned []
Implicit Place search using SMT with State Equation took 472 ms to find 0 implicit places.
[2025-06-01 09:23:05] [INFO ] Redundant transitions in 3 ms returned []
Running 266 sub problems to find dead transitions.
[2025-06-01 09:23:05] [INFO ] Flow matrix only has 171 transitions (discarded 97 similar events)
[2025-06-01 09:23:05] [INFO ] Invariant cache hit.
[2025-06-01 09:23:05] [INFO ] State equation strengthened by 30 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/107 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/107 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 2 (OVERLAPS) 171/278 variables, 107/110 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/278 variables, 30/140 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/278 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 5 (OVERLAPS) 0/278 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 266 unsolved
No progress, stopping.
After SMT solving in domain Real declared 278/278 variables, and 140 constraints, problems are : Problem set: 0 solved, 266 unsolved in 11695 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 107/107 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 266/266 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 266 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/107 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/107 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 2 (OVERLAPS) 171/278 variables, 107/110 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/278 variables, 30/140 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/278 variables, 266/406 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/278 variables, 0/406 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 6 (OVERLAPS) 0/278 variables, 0/406 constraints. Problems are: Problem set: 0 solved, 266 unsolved
No progress, stopping.
After SMT solving in domain Int declared 278/278 variables, and 406 constraints, problems are : Problem set: 0 solved, 266 unsolved in 14603 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 107/107 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 266/266 constraints, Known Traps: 0/0 constraints]
After SMT, in 26654ms problems are : Problem set: 0 solved, 266 unsolved
Search for dead transitions found 0 dead transitions in 26660ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 27150 ms. Remains : 107/107 places, 268/268 transitions.
[2025-06-01 09:23:32] [INFO ] Flow matrix only has 171 transitions (discarded 97 similar events)
Found an invariant !
This invariant on transitions {30=1, 85=1, 136=1, 168=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {33=1, 88=1, 139=1, 164=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 45 ms. (steps per millisecond=222 ) properties (out of 8) seen :[10, 4, 2, 2, 9, 6, 2, 10]
Current structural bounds on expressions (after cover walk) : Max Seen:[83, 154, 71, 63, 65, 162, 66, 167] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf]
RANDOM walk for 40004 steps (8 resets) in 1177 ms. (33 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 261 ms. (152 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 103 ms. (384 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 98 ms. (404 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 81 ms. (487 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 176 ms. (226 steps per ms) remains 9/9 properties
[2025-06-01 09:23:33] [INFO ] Flatten gal took : 168 ms
BEST_FIRST walk for 40004 steps (8 resets) in 108 ms. (367 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 117 ms. (339 steps per ms) remains 9/9 properties
[2025-06-01 09:23:33] [INFO ] Flatten gal took : 104 ms
BEST_FIRST walk for 40004 steps (8 resets) in 92 ms. (430 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 127 ms. (312 steps per ms) remains 9/9 properties
[2025-06-01 09:23:33] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10286301749384205001.gal : 32 ms
[2025-06-01 09:23:33] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2649826178771793698.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality10286301749384205001.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2649826178771793698.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality2649826178771793698.prop.
SDD proceeding with computation,9 properties remain. new max is 4
SDD size :1 after 31
SDD proceeding with computation,9 properties remain. new max is 8
SDD size :31 after 1066
SDD proceeding with computation,9 properties remain. new max is 16
SDD size :1066 after 202557
Interrupted probabilistic random walk after 228705 steps, run timeout after 3001 ms. (steps per millisecond=76 ) properties seen :0 out of 9
Probabilistic random walk after 228705 steps, saw 142377 distinct states, run finished after 3010 ms. (steps per millisecond=75 ) properties seen :0
[2025-06-01 09:23:36] [INFO ] Flow matrix only has 171 transitions (discarded 97 similar events)
[2025-06-01 09:23:36] [INFO ] Invariant cache hit.
[2025-06-01 09:23:36] [INFO ] State equation strengthened by 30 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (OVERLAPS) 47/55 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/55 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (OVERLAPS) 105/160 variables, 55/56 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/160 variables, 4/60 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/160 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 9 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 72/232 variables, 21/81 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/232 variables, 1/82 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/232 variables, 21/103 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/232 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 10 (OVERLAPS) 9/241 variables, 1/104 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/241 variables, 1/105 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/241 variables, 0/105 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 13 (OVERLAPS) 33/274 variables, 26/131 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/274 variables, 5/136 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/274 variables, 0/136 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 16 (OVERLAPS) 4/278 variables, 4/140 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/278 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 18 (OVERLAPS) 0/278 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Real declared 278/278 variables, and 140 constraints, problems are : Problem set: 0 solved, 9 unsolved in 565 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 107/107 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 9 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (OVERLAPS) 47/55 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/55 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (OVERLAPS) 105/160 variables, 55/56 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/160 variables, 4/60 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/160 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (OVERLAPS) 72/232 variables, 21/81 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/232 variables, 1/82 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/232 variables, 21/103 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/232 variables, 9/112 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/232 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 11 (OVERLAPS) 9/241 variables, 1/113 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/241 variables, 1/114 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/241 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 14 (OVERLAPS) 33/274 variables, 26/140 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/274 variables, 5/145 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/274 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 17 (OVERLAPS) 4/278 variables, 4/149 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/278 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 19 (OVERLAPS) 0/278 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Int declared 278/278 variables, and 149 constraints, problems are : Problem set: 0 solved, 9 unsolved in 581 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 107/107 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 0/0 constraints]
After SMT, in 1165ms problems are : Problem set: 0 solved, 9 unsolved
Fused 9 Parikh solutions to 4 different solutions.
SDD proceeding with computation,9 properties remain. new max is 32
SDD size :202557 after 9.35766e+08
Parikh walk visited 2 properties in 38256 ms.
Support contains 7 out of 107 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 107/107 places, 268/268 transitions.
Applied a total of 0 rules in 6 ms. Remains 107 /107 variables (removed 0) and now considering 268/268 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 107/107 places, 268/268 transitions.
RANDOM walk for 40007 steps (8 resets) in 155 ms. (256 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 57 ms. (689 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 46 ms. (851 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 55 ms. (714 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 53 ms. (740 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 51 ms. (769 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 63 ms. (625 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (8 resets) in 66 ms. (597 steps per ms) remains 7/7 properties
Interrupted probabilistic random walk after 288020 steps, run timeout after 3001 ms. (steps per millisecond=95 ) properties seen :0 out of 7
Probabilistic random walk after 288020 steps, saw 179297 distinct states, run finished after 3001 ms. (steps per millisecond=95 ) properties seen :0
[2025-06-01 09:24:18] [INFO ] Flow matrix only has 171 transitions (discarded 97 similar events)
[2025-06-01 09:24:18] [INFO ] Invariant cache hit.
[2025-06-01 09:24:18] [INFO ] State equation strengthened by 30 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 24/31 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (OVERLAPS) 114/145 variables, 21/28 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/145 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/145 variables, 3/32 constraints. Problems are: Problem set: 0 solved, 7 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/145 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (OVERLAPS) 9/154 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/154 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/154 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 10 (OVERLAPS) 110/264 variables, 68/102 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/264 variables, 27/129 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/264 variables, 0/129 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 13 (OVERLAPS) 6/270 variables, 1/130 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/270 variables, 0/130 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 15 (OVERLAPS) 8/278 variables, 10/140 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/278 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 17 (OVERLAPS) 0/278 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Real declared 278/278 variables, and 140 constraints, problems are : Problem set: 0 solved, 7 unsolved in 381 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 107/107 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 24/31 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (OVERLAPS) 114/145 variables, 21/28 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/145 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/145 variables, 3/32 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/145 variables, 5/37 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/145 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 8 (OVERLAPS) 9/154 variables, 1/38 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/154 variables, 1/39 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/154 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 11 (OVERLAPS) 110/264 variables, 68/107 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/264 variables, 27/134 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/264 variables, 2/136 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/264 variables, 0/136 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 15 (OVERLAPS) 6/270 variables, 1/137 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/270 variables, 0/137 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 17 (OVERLAPS) 8/278 variables, 10/147 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/278 variables, 0/147 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 19 (OVERLAPS) 0/278 variables, 0/147 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Int declared 278/278 variables, and 147 constraints, problems are : Problem set: 0 solved, 7 unsolved in 412 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 107/107 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints]
After SMT, in 800ms problems are : Problem set: 0 solved, 7 unsolved
Fused 7 Parikh solutions to 2 different solutions.
Detected timeout of ITS tools.
[2025-06-01 09:24:23] [INFO ] Flatten gal took : 84 ms
[2025-06-01 09:24:23] [INFO ] Applying decomposition
[2025-06-01 09:24:23] [INFO ] Flatten gal took : 60 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph9317818742466298418.txt' '-o' '/tmp/graph9317818742466298418.bin' '-w' '/tmp/graph9317818742466298418.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph9317818742466298418.bin' '-l' '-1' '-v' '-w' '/tmp/graph9317818742466298418.weights' '-q' '0' '-e' '0.001'
[2025-06-01 09:24:23] [INFO ] Decomposing Gal with order
[2025-06-01 09:24:23] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 09:24:24] [INFO ] Removed a total of 454 redundant transitions.
[2025-06-01 09:24:24] [INFO ] Flatten gal took : 270 ms
[2025-06-01 09:24:24] [INFO ] Fuse similar labels procedure discarded/fused a total of 132 labels/synchronizations in 72 ms.
[2025-06-01 09:24:24] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8384526983455621387.gal : 31 ms
[2025-06-01 09:24:24] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4568210708985321629.prop : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality8384526983455621387.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4568210708985321629.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...307
Loading property file /tmp/ReachabilityCardinality4568210708985321629.prop.
SDD proceeding with computation,7 properties remain. new max is 4
SDD size :1 after 72
SDD proceeding with computation,7 properties remain. new max is 8
SDD size :72 after 1018
SDD proceeding with computation,7 properties remain. new max is 16
SDD size :1018 after 7421
SDD proceeding with computation,7 properties remain. new max is 32
SDD size :7421 after 48899
SDD proceeding with computation,7 properties remain. new max is 64
SDD size :48899 after 422374
SDD proceeding with computation,7 properties remain. new max is 128
SDD size :422374 after 4.75356e+07
Parikh walk visited 0 properties in 27559 ms.
Support contains 7 out of 107 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 107/107 places, 268/268 transitions.
Applied a total of 0 rules in 7 ms. Remains 107 /107 variables (removed 0) and now considering 268/268 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 107/107 places, 268/268 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 107/107 places, 268/268 transitions.
Applied a total of 0 rules in 6 ms. Remains 107 /107 variables (removed 0) and now considering 268/268 (removed 0) transitions.
[2025-06-01 09:24:47] [INFO ] Flow matrix only has 171 transitions (discarded 97 similar events)
[2025-06-01 09:24:47] [INFO ] Invariant cache hit.
[2025-06-01 09:24:47] [INFO ] Implicit Places using invariants in 140 ms returned []
[2025-06-01 09:24:47] [INFO ] Flow matrix only has 171 transitions (discarded 97 similar events)
[2025-06-01 09:24:47] [INFO ] Invariant cache hit.
[2025-06-01 09:24:47] [INFO ] State equation strengthened by 30 read => feed constraints.
[2025-06-01 09:24:47] [INFO ] Implicit Places using invariants and state equation in 289 ms returned []
Implicit Place search using SMT with State Equation took 431 ms to find 0 implicit places.
[2025-06-01 09:24:47] [INFO ] Redundant transitions in 1 ms returned []
Running 266 sub problems to find dead transitions.
[2025-06-01 09:24:47] [INFO ] Flow matrix only has 171 transitions (discarded 97 similar events)
[2025-06-01 09:24:47] [INFO ] Invariant cache hit.
[2025-06-01 09:24:47] [INFO ] State equation strengthened by 30 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/107 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/107 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 2 (OVERLAPS) 171/278 variables, 107/110 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/278 variables, 30/140 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/278 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 5 (OVERLAPS) 0/278 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 266 unsolved
No progress, stopping.
After SMT solving in domain Real declared 278/278 variables, and 140 constraints, problems are : Problem set: 0 solved, 266 unsolved in 7354 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 107/107 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 266/266 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 266 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/107 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/107 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 2 (OVERLAPS) 171/278 variables, 107/110 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/278 variables, 30/140 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/278 variables, 266/406 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/278 variables, 0/406 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 6 (OVERLAPS) 0/278 variables, 0/406 constraints. Problems are: Problem set: 0 solved, 266 unsolved
No progress, stopping.
After SMT solving in domain Int declared 278/278 variables, and 406 constraints, problems are : Problem set: 0 solved, 266 unsolved in 10606 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 107/107 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 266/266 constraints, Known Traps: 0/0 constraints]
After SMT, in 18228ms problems are : Problem set: 0 solved, 266 unsolved
Search for dead transitions found 0 dead transitions in 18233ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18679 ms. Remains : 107/107 places, 268/268 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 97 transitions
Reduce isomorphic transitions removed 97 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 5 transitions
Trivial Post-agglo rules discarded 5 transitions
Performed 5 trivial Post agglomeration. Transition count delta: 5
Iterating post reduction 0 with 102 rules applied. Total rules applied 102 place count 107 transition count 166
Reduce places removed 5 places and 0 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 1 with 7 rules applied. Total rules applied 109 place count 102 transition count 164
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 111 place count 100 transition count 164
Performed 21 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 21 Pre rules applied. Total rules applied 111 place count 100 transition count 143
Deduced a syphon composed of 21 places in 0 ms
Reduce places removed 21 places and 0 transitions.
Iterating global reduction 3 with 42 rules applied. Total rules applied 153 place count 79 transition count 143
Performed 18 Post agglomeration using F-continuation condition.Transition count delta: 18
Deduced a syphon composed of 18 places in 0 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 3 with 36 rules applied. Total rules applied 189 place count 61 transition count 125
Discarding 7 places :
Symmetric choice reduction at 3 with 7 rule applications. Total rules 196 place count 54 transition count 111
Iterating global reduction 3 with 7 rules applied. Total rules applied 203 place count 54 transition count 111
Discarding 7 places :
Symmetric choice reduction at 3 with 7 rule applications. Total rules 210 place count 47 transition count 97
Iterating global reduction 3 with 7 rules applied. Total rules applied 217 place count 47 transition count 97
Discarding 7 places :
Symmetric choice reduction at 3 with 7 rule applications. Total rules 224 place count 40 transition count 83
Iterating global reduction 3 with 7 rules applied. Total rules applied 231 place count 40 transition count 83
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 3 with 7 rules applied. Total rules applied 238 place count 40 transition count 76
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 238 place count 40 transition count 75
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 240 place count 39 transition count 75
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -6
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 4 with 6 rules applied. Total rules applied 246 place count 36 transition count 81
Drop transitions (Redundant composition of simpler transitions.) removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 4 with 4 rules applied. Total rules applied 250 place count 36 transition count 77
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 251 place count 35 transition count 76
Iterating global reduction 4 with 1 rules applied. Total rules applied 252 place count 35 transition count 76
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 4 with 5 rules applied. Total rules applied 257 place count 35 transition count 71
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 5 with 1 rules applied. Total rules applied 258 place count 35 transition count 71
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 5 with 1 rules applied. Total rules applied 259 place count 35 transition count 70
Applied a total of 259 rules in 86 ms. Remains 35 /107 variables (removed 72) and now considering 70/268 (removed 198) transitions.
Running SMT prover for 7 properties.
// Phase 1: matrix 70 rows 35 cols
[2025-06-01 09:25:06] [INFO ] Computed 3 invariants in 7 ms
[2025-06-01 09:25:06] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 09:25:06] [INFO ] After 151ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:7
[2025-06-01 09:25:06] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 09:25:06] [INFO ] After 53ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :7
[2025-06-01 09:25:06] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-01 09:25:06] [INFO ] After 30ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :7
TRAPS : Iteration 0
[2025-06-01 09:25:06] [INFO ] After 72ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :7
[2025-06-01 09:25:06] [INFO ] After 199ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :7
[2025-06-01 09:25:06] [INFO ] Flatten gal took : 6 ms
[2025-06-01 09:25:06] [INFO ] Flatten gal took : 5 ms
[2025-06-01 09:25:06] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16533761530618245198.gal : 1 ms
[2025-06-01 09:25:06] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9800922011225921444.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality16533761530618245198.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9800922011225921444.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality9800922011225921444.prop.
SDD proceeding with computation,7 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,7 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,7 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,7 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,7 properties remain. new max is 64
SDD size :36 after 315
SDD proceeding with computation,7 properties remain. new max is 128
SDD size :315 after 21450
SDD proceeding with computation,7 properties remain. new max is 256
SDD size :21450 after 881610
SDD proceeding with computation,7 properties remain. new max is 512
SDD size :881610 after 1.08936e+08
SDD proceeding with computation,7 properties remain. new max is 1024
SDD size :1.08936e+08 after 1.16865e+10
SDD proceeding with computation,7 properties remain. new max is 2048
SDD size :1.16865e+10 after 1.12462e+12
SDD proceeding with computation,7 properties remain. new max is 4096
SDD size :1.12462e+12 after 8.56072e+13
Invariant property MIN4 does not hold.
SDD proceeding with computation,6 properties remain. new max is 4096
SDD size :8.56072e+13 after 5.10196e+15
Detected timeout of ITS tools.
Invariant property MIN0 does not hold.
SDD proceeding with computation,5 properties remain. new max is 4096
SDD size :5.10196e+15 after 6.93615e+16
SDD proceeding with computation,5 properties remain. new max is 8192
SDD size :6.93615e+16 after 4.94598e+17
Detected timeout of ITS tools.
[2025-06-01 09:25:21] [INFO ] Flatten gal took : 6 ms
[2025-06-01 09:25:21] [INFO ] Applying decomposition
[2025-06-01 09:25:21] [INFO ] Flatten gal took : 5 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph17660255357846159383.txt' '-o' '/tmp/graph17660255357846159383.bin' '-w' '/tmp/graph17660255357846159383.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph17660255357846159383.bin' '-l' '-1' '-v' '-w' '/tmp/graph17660255357846159383.weights' '-q' '0' '-e' '0.001'
[2025-06-01 09:25:21] [INFO ] Decomposing Gal with order
[2025-06-01 09:25:21] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 09:25:21] [INFO ] Removed a total of 79 redundant transitions.
[2025-06-01 09:25:21] [INFO ] Flatten gal took : 11 ms
[2025-06-01 09:25:21] [INFO ] Fuse similar labels procedure discarded/fused a total of 10 labels/synchronizations in 2 ms.
[2025-06-01 09:25:21] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10629417746784432868.gal : 14 ms
[2025-06-01 09:25:21] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15449010112357294108.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality10629417746784432868.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15449010112357294108.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...309
Loading property file /tmp/ReachabilityCardinality15449010112357294108.prop.
SDD proceeding with computation,5 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,5 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,5 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,5 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,5 properties remain. new max is 64
SDD size :36 after 315
SDD proceeding with computation,5 properties remain. new max is 128
SDD size :315 after 125413
SDD proceeding with computation,5 properties remain. new max is 256
SDD size :125413 after 7.19266e+09
SDD proceeding with computation,5 properties remain. new max is 512
SDD size :7.19266e+09 after 1.74922e+11
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30633 ms.
FORMULA FunctionPointer-PT-b064-UpperBounds-09 64 TECHNIQUES REACHABILITY_MAX
Current structural bounds on expressions (After reachability solving 1 queries.) : Max Seen:[83, 154, 71, 65, 162, 66, 167] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Starting property specific reduction for FunctionPointer-PT-b064-UpperBounds-00
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 09:25:36] [INFO ] Flow matrix only has 171 transitions (discarded 97 similar events)
// Phase 1: matrix 171 rows 107 cols
[2025-06-01 09:25:36] [INFO ] Computed 3 invariants in 6 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10035 steps (2 resets) in 14 ms. (669 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 12 ms. (769 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[69] Max Struct:[+inf]
[2025-06-01 09:25:36] [INFO ] Flow matrix only has 171 transitions (discarded 97 similar events)
[2025-06-01 09:25:36] [INFO ] Invariant cache hit.
[2025-06-01 09:25:36] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 09:25:36] [INFO ] [Real]Absence check using state equation in 83 ms returned sat
[2025-06-01 09:25:36] [INFO ] State equation strengthened by 30 read => feed constraints.
[2025-06-01 09:25:36] [INFO ] [Real]Added 30 Read/Feed constraints in 14 ms returned sat
[2025-06-01 09:25:36] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:25:36] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 09:25:37] [INFO ] [Nat]Absence check using state equation in 83 ms returned sat
[2025-06-01 09:25:37] [INFO ] [Nat]Added 30 Read/Feed constraints in 13 ms returned sat
[2025-06-01 09:25:37] [INFO ] Deduced a trap composed of 32 places in 113 ms of which 4 ms to minimize.
[2025-06-01 09:25:37] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 134 ms
[2025-06-01 09:25:37] [INFO ] Computed and/alt/rep : 68/367/64 causal constraints (skipped 105 transitions) in 19 ms.
[2025-06-01 09:25:37] [INFO ] Added : 11 causal constraints over 3 iterations in 95 ms. Result :sat
Minimization took 59 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[69] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[69] Max Struct:[+inf]
Support contains 1 out of 107 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 107/107 places, 268/268 transitions.
Graph (complete) has 448 edges and 107 vertex of which 104 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 6 place count 104 transition count 263
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 11 place count 99 transition count 247
Iterating global reduction 1 with 5 rules applied. Total rules applied 16 place count 99 transition count 247
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 18 place count 99 transition count 245
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 24 place count 93 transition count 231
Iterating global reduction 2 with 6 rules applied. Total rules applied 30 place count 93 transition count 231
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 34 place count 93 transition count 227
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 37 place count 90 transition count 219
Iterating global reduction 3 with 3 rules applied. Total rules applied 40 place count 90 transition count 219
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 43 place count 87 transition count 213
Iterating global reduction 3 with 3 rules applied. Total rules applied 46 place count 87 transition count 213
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 49 place count 84 transition count 207
Iterating global reduction 3 with 3 rules applied. Total rules applied 52 place count 84 transition count 207
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 55 place count 81 transition count 201
Iterating global reduction 3 with 3 rules applied. Total rules applied 58 place count 81 transition count 201
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 60 place count 79 transition count 197
Iterating global reduction 3 with 2 rules applied. Total rules applied 62 place count 79 transition count 197
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 64 place count 77 transition count 193
Iterating global reduction 3 with 2 rules applied. Total rules applied 66 place count 77 transition count 193
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 67 place count 76 transition count 191
Iterating global reduction 3 with 1 rules applied. Total rules applied 68 place count 76 transition count 191
Applied a total of 68 rules in 55 ms. Remains 76 /107 variables (removed 31) and now considering 191/268 (removed 77) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 57 ms. Remains : 76/107 places, 191/268 transitions.
[2025-06-01 09:25:37] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
Found an invariant !
This invariant on transitions {32=1, 57=1, 87=1, 113=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {30=1, 55=1, 101=1, 114=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 54 ms. (steps per millisecond=185 ) properties (out of 1) seen :[7]
Current structural bounds on expressions (after cover walk) : Max Seen:[69] Max Struct:[+inf]
[2025-06-01 09:25:37] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
// Phase 1: matrix 117 rows 76 cols
[2025-06-01 09:25:37] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[69] Max Struct:[+inf]
RANDOM walk for 1000028 steps (2 resets) in 919 ms. (1086 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 674 ms. (1481 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[92] Max Struct:[+inf]
[2025-06-01 09:25:39] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2025-06-01 09:25:39] [INFO ] Invariant cache hit.
[2025-06-01 09:25:39] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 09:25:39] [INFO ] [Real]Absence check using state equation in 40 ms returned sat
[2025-06-01 09:25:39] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 09:25:39] [INFO ] [Real]Added 18 Read/Feed constraints in 7 ms returned sat
[2025-06-01 09:25:39] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:25:39] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 09:25:39] [INFO ] [Nat]Absence check using state equation in 40 ms returned sat
[2025-06-01 09:25:39] [INFO ] [Nat]Added 18 Read/Feed constraints in 6 ms returned sat
[2025-06-01 09:25:39] [INFO ] Deduced a trap composed of 24 places in 52 ms of which 2 ms to minimize.
[2025-06-01 09:25:39] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 62 ms
[2025-06-01 09:25:39] [INFO ] Computed and/alt/rep : 61/197/52 causal constraints (skipped 63 transitions) in 9 ms.
[2025-06-01 09:25:39] [INFO ] Added : 4 causal constraints over 1 iterations in 28 ms. Result :sat
Minimization took 24 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[92] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[92] Max Struct:[+inf]
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 4 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 76/76 places, 191/191 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 4 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
[2025-06-01 09:25:39] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2025-06-01 09:25:39] [INFO ] Invariant cache hit.
[2025-06-01 09:25:39] [INFO ] Implicit Places using invariants in 140 ms returned []
[2025-06-01 09:25:39] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2025-06-01 09:25:39] [INFO ] Invariant cache hit.
[2025-06-01 09:25:39] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 09:25:40] [INFO ] Implicit Places using invariants and state equation in 300 ms returned []
Implicit Place search using SMT with State Equation took 443 ms to find 0 implicit places.
[2025-06-01 09:25:40] [INFO ] Redundant transitions in 1 ms returned []
Running 189 sub problems to find dead transitions.
[2025-06-01 09:25:40] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2025-06-01 09:25:40] [INFO ] Invariant cache hit.
[2025-06-01 09:25:40] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 2 (OVERLAPS) 117/193 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 18/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 5 (OVERLAPS) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
No progress, stopping.
After SMT solving in domain Real declared 193/193 variables, and 97 constraints, problems are : Problem set: 0 solved, 189 unsolved in 6281 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 189/189 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 189 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 2 (OVERLAPS) 117/193 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 18/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 189/286 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 6 (OVERLAPS) 0/193 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 189 unsolved
No progress, stopping.
After SMT solving in domain Int declared 193/193 variables, and 286 constraints, problems are : Problem set: 0 solved, 189 unsolved in 7921 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 189/189 constraints, Known Traps: 0/0 constraints]
After SMT, in 14418ms problems are : Problem set: 0 solved, 189 unsolved
Search for dead transitions found 0 dead transitions in 14422ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14880 ms. Remains : 76/76 places, 191/191 transitions.
[2025-06-01 09:25:54] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
Found an invariant !
This invariant on transitions {32=1, 57=1, 87=1, 113=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {30=1, 55=1, 101=1, 114=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 31 ms. (steps per millisecond=322 ) properties (out of 1) seen :[5]
Current structural bounds on expressions (after cover walk) : Max Seen:[92] Max Struct:[+inf]
[2025-06-01 09:25:54] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2025-06-01 09:25:54] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[92] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1500 ms. (666 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 693 ms. (1440 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[92] Max Struct:[+inf]
[2025-06-01 09:25:56] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2025-06-01 09:25:56] [INFO ] Invariant cache hit.
[2025-06-01 09:25:56] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 09:25:56] [INFO ] [Real]Absence check using state equation in 40 ms returned sat
[2025-06-01 09:25:56] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 09:25:56] [INFO ] [Real]Added 18 Read/Feed constraints in 7 ms returned sat
[2025-06-01 09:25:56] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:25:57] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 09:25:57] [INFO ] [Nat]Absence check using state equation in 40 ms returned sat
[2025-06-01 09:25:57] [INFO ] [Nat]Added 18 Read/Feed constraints in 6 ms returned sat
[2025-06-01 09:25:57] [INFO ] Deduced a trap composed of 24 places in 56 ms of which 1 ms to minimize.
[2025-06-01 09:25:57] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 67 ms
[2025-06-01 09:25:57] [INFO ] Computed and/alt/rep : 61/197/52 causal constraints (skipped 63 transitions) in 9 ms.
[2025-06-01 09:25:57] [INFO ] Added : 4 causal constraints over 1 iterations in 29 ms. Result :sat
Minimization took 24 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[92] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[92] Max Struct:[+inf]
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 5 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 76/76 places, 191/191 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 5 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
[2025-06-01 09:25:57] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2025-06-01 09:25:57] [INFO ] Invariant cache hit.
[2025-06-01 09:25:57] [INFO ] Implicit Places using invariants in 142 ms returned []
[2025-06-01 09:25:57] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2025-06-01 09:25:57] [INFO ] Invariant cache hit.
[2025-06-01 09:25:57] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 09:25:57] [INFO ] Implicit Places using invariants and state equation in 260 ms returned []
Implicit Place search using SMT with State Equation took 422 ms to find 0 implicit places.
[2025-06-01 09:25:57] [INFO ] Redundant transitions in 1 ms returned []
Running 189 sub problems to find dead transitions.
[2025-06-01 09:25:57] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2025-06-01 09:25:57] [INFO ] Invariant cache hit.
[2025-06-01 09:25:57] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 2 (OVERLAPS) 117/193 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 18/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 5 (OVERLAPS) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
No progress, stopping.
After SMT solving in domain Real declared 193/193 variables, and 97 constraints, problems are : Problem set: 0 solved, 189 unsolved in 6055 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 189/189 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 189 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 2 (OVERLAPS) 117/193 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 18/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 189/286 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 6 (OVERLAPS) 0/193 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 189 unsolved
No progress, stopping.
After SMT solving in domain Int declared 193/193 variables, and 286 constraints, problems are : Problem set: 0 solved, 189 unsolved in 7975 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 189/189 constraints, Known Traps: 0/0 constraints]
After SMT, in 14188ms problems are : Problem set: 0 solved, 189 unsolved
Search for dead transitions found 0 dead transitions in 14193ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14630 ms. Remains : 76/76 places, 191/191 transitions.
[2025-06-01 09:26:11] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
Found an invariant !
This invariant on transitions {32=1, 57=1, 87=1, 113=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {30=1, 55=1, 101=1, 114=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 67 ms. (steps per millisecond=149 ) properties (out of 1) seen :[9]
Current structural bounds on expressions (after cover walk) : Max Seen:[92] Max Struct:[+inf]
RANDOM walk for 40042 steps (8 resets) in 50 ms. (785 steps per ms) remains 1/1 properties
[2025-06-01 09:26:12] [INFO ] Flatten gal took : 15 ms
BEST_FIRST walk for 40004 steps (8 resets) in 58 ms. (678 steps per ms) remains 1/1 properties
[2025-06-01 09:26:12] [INFO ] Flatten gal took : 18 ms
[2025-06-01 09:26:12] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17464583409205280763.gal : 2 ms
[2025-06-01 09:26:12] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10881402826101919356.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality17464583409205280763.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10881402826101919356.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality10881402826101919356.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 31
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :31 after 923
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :923 after 103738
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :103738 after 7.00547e+07
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :7.00547e+07 after 4.05225e+11
Interrupted probabilistic random walk after 1480517 steps, run timeout after 3001 ms. (steps per millisecond=493 ) properties seen :0 out of 1
Probabilistic random walk after 1480517 steps, saw 921559 distinct states, run finished after 3001 ms. (steps per millisecond=493 ) properties seen :0
[2025-06-01 09:26:15] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2025-06-01 09:26:15] [INFO ] Invariant cache hit.
[2025-06-01 09:26:15] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 64/69 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/69 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/69 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 6/75 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/75 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/75 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 94/169 variables, 53/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/169 variables, 17/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/169 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 6/175 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/175 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 11/186 variables, 10/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/186 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 4/190 variables, 2/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/190 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 3/193 variables, 2/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 193/193 variables, and 97 constraints, problems are : Problem set: 0 solved, 1 unsolved in 186 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 64/69 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/69 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/69 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 6/75 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/75 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/75 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 94/169 variables, 53/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/169 variables, 17/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/169 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/169 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 6/175 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/175 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 11/186 variables, 10/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/186 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 4/190 variables, 2/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/190 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 3/193 variables, 2/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/193 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/193 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 193/193 variables, and 98 constraints, problems are : Problem set: 0 solved, 1 unsolved in 131 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 323ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 121 ms.
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 4 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 76/76 places, 191/191 transitions.
RANDOM walk for 40005 steps (8 resets) in 92 ms. (430 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 34 ms. (1142 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1704419 steps, run timeout after 3001 ms. (steps per millisecond=567 ) properties seen :0 out of 1
Probabilistic random walk after 1704419 steps, saw 1060920 distinct states, run finished after 3001 ms. (steps per millisecond=567 ) properties seen :0
[2025-06-01 09:26:18] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2025-06-01 09:26:18] [INFO ] Invariant cache hit.
[2025-06-01 09:26:18] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 64/69 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/69 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/69 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 6/75 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/75 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/75 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 94/169 variables, 53/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/169 variables, 17/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/169 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 6/175 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/175 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 11/186 variables, 10/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/186 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 4/190 variables, 2/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/190 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 3/193 variables, 2/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 193/193 variables, and 97 constraints, problems are : Problem set: 0 solved, 1 unsolved in 117 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 64/69 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/69 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/69 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 6/75 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/75 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/75 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 94/169 variables, 53/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/169 variables, 17/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/169 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/169 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 6/175 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/175 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 11/186 variables, 10/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/186 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 4/190 variables, 2/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/190 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 3/193 variables, 2/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/193 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/193 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 193/193 variables, and 98 constraints, problems are : Problem set: 0 solved, 1 unsolved in 119 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 244ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 102 ms.
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 3 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 76/76 places, 191/191 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 3 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
[2025-06-01 09:26:18] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2025-06-01 09:26:18] [INFO ] Invariant cache hit.
[2025-06-01 09:26:19] [INFO ] Implicit Places using invariants in 83 ms returned []
[2025-06-01 09:26:19] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2025-06-01 09:26:19] [INFO ] Invariant cache hit.
[2025-06-01 09:26:19] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 09:26:19] [INFO ] Implicit Places using invariants and state equation in 191 ms returned []
Implicit Place search using SMT with State Equation took 277 ms to find 0 implicit places.
[2025-06-01 09:26:19] [INFO ] Redundant transitions in 1 ms returned []
Running 189 sub problems to find dead transitions.
[2025-06-01 09:26:19] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2025-06-01 09:26:19] [INFO ] Invariant cache hit.
[2025-06-01 09:26:19] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 2 (OVERLAPS) 117/193 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 18/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 5 (OVERLAPS) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
No progress, stopping.
After SMT solving in domain Real declared 193/193 variables, and 97 constraints, problems are : Problem set: 0 solved, 189 unsolved in 4214 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 189/189 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 189 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :4.05225e+11 after 2.075e+16
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 2 (OVERLAPS) 117/193 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 18/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 189/286 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 6 (OVERLAPS) 0/193 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 189 unsolved
No progress, stopping.
After SMT solving in domain Int declared 193/193 variables, and 286 constraints, problems are : Problem set: 0 solved, 189 unsolved in 6038 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 189/189 constraints, Known Traps: 0/0 constraints]
After SMT, in 10399ms problems are : Problem set: 0 solved, 189 unsolved
Search for dead transitions found 0 dead transitions in 10401ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10689 ms. Remains : 76/76 places, 191/191 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 74 transitions
Reduce isomorphic transitions removed 74 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 7 transitions
Trivial Post-agglo rules discarded 7 transitions
Performed 7 trivial Post agglomeration. Transition count delta: 7
Iterating post reduction 0 with 81 rules applied. Total rules applied 81 place count 76 transition count 110
Reduce places removed 7 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 8 rules applied. Total rules applied 89 place count 69 transition count 109
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 90 place count 68 transition count 109
Performed 12 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 12 Pre rules applied. Total rules applied 90 place count 68 transition count 97
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 3 with 24 rules applied. Total rules applied 114 place count 56 transition count 97
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: 15
Deduced a syphon composed of 15 places in 0 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 3 with 30 rules applied. Total rules applied 144 place count 41 transition count 82
Discarding 7 places :
Symmetric choice reduction at 3 with 7 rule applications. Total rules 151 place count 34 transition count 68
Iterating global reduction 3 with 7 rules applied. Total rules applied 158 place count 34 transition count 68
Discarding 7 places :
Symmetric choice reduction at 3 with 7 rule applications. Total rules 165 place count 27 transition count 54
Iterating global reduction 3 with 7 rules applied. Total rules applied 172 place count 27 transition count 54
Discarding 7 places :
Symmetric choice reduction at 3 with 7 rule applications. Total rules 179 place count 20 transition count 40
Iterating global reduction 3 with 7 rules applied. Total rules applied 186 place count 20 transition count 40
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 3 with 7 rules applied. Total rules applied 193 place count 20 transition count 33
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 193 place count 20 transition count 32
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 195 place count 19 transition count 32
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 197 place count 18 transition count 32
Applied a total of 197 rules in 24 ms. Remains 18 /76 variables (removed 58) and now considering 32/191 (removed 159) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 32 rows 18 cols
[2025-06-01 09:26:29] [INFO ] Computed 3 invariants in 1 ms
[2025-06-01 09:26:29] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 09:26:29] [INFO ] After 48ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-01 09:26:29] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 09:26:29] [INFO ] After 17ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-01 09:26:29] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-01 09:26:29] [INFO ] After 5ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-01 09:26:29] [INFO ] After 11ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-01 09:26:29] [INFO ] After 66ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-01 09:26:29] [INFO ] Flatten gal took : 3 ms
[2025-06-01 09:26:29] [INFO ] Flatten gal took : 2 ms
[2025-06-01 09:26:29] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6692386049449955672.gal : 1 ms
[2025-06-01 09:26:29] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5514629006101463399.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality6692386049449955672.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5514629006101463399.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality5514629006101463399.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :36 after 315
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :315 after 35107
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :35107 after 6.2298e+06
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :6.2298e+06 after 1.79901e+07
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :1.79901e+07 after 4.1465e+07
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :4.1465e+07 after 8.8369e+07
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :8.8369e+07 after 1.82131e+08
Detected timeout of ITS tools.
[2025-06-01 09:26:44] [INFO ] Flatten gal took : 2 ms
[2025-06-01 09:26:44] [INFO ] Applying decomposition
[2025-06-01 09:26:44] [INFO ] Flatten gal took : 2 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph17482061759883223177.txt' '-o' '/tmp/graph17482061759883223177.bin' '-w' '/tmp/graph17482061759883223177.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph17482061759883223177.bin' '-l' '-1' '-v' '-w' '/tmp/graph17482061759883223177.weights' '-q' '0' '-e' '0.001'
[2025-06-01 09:26:44] [INFO ] Decomposing Gal with order
[2025-06-01 09:26:44] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 09:26:44] [INFO ] Removed a total of 23 redundant transitions.
[2025-06-01 09:26:44] [INFO ] Flatten gal took : 5 ms
[2025-06-01 09:26:44] [INFO ] Fuse similar labels procedure discarded/fused a total of 4 labels/synchronizations in 1 ms.
[2025-06-01 09:26:44] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4446273342214903614.gal : 1 ms
[2025-06-01 09:26:44] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17285706722270657490.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality4446273342214903614.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17285706722270657490.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality17285706722270657490.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :36 after 315
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :315 after 35107
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :35107 after 6.18404e+06
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :6.18404e+06 after 1.78986e+07
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :1.78986e+07 after 4.13277e+07
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :4.13277e+07 after 8.8186e+07
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :8.8186e+07 after 1.81902e+08
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30270 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2025-06-01 09:26:59] [INFO ] Flatten gal took : 12 ms
[2025-06-01 09:26:59] [INFO ] Applying decomposition
[2025-06-01 09:26:59] [INFO ] Flatten gal took : 10 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph2618290899835763855.txt' '-o' '/tmp/graph2618290899835763855.bin' '-w' '/tmp/graph2618290899835763855.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph2618290899835763855.bin' '-l' '-1' '-v' '-w' '/tmp/graph2618290899835763855.weights' '-q' '0' '-e' '0.001'
[2025-06-01 09:26:59] [INFO ] Decomposing Gal with order
[2025-06-01 09:27:00] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 09:27:00] [INFO ] Removed a total of 323 redundant transitions.
[2025-06-01 09:27:00] [INFO ] Flatten gal took : 22 ms
[2025-06-01 09:27:00] [INFO ] Fuse similar labels procedure discarded/fused a total of 92 labels/synchronizations in 9 ms.
[2025-06-01 09:27:00] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2680137488390900101.gal : 3 ms
[2025-06-01 09:27:00] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16464325629857066928.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality2680137488390900101.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16464325629857066928.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality16464325629857066928.prop.
Detected timeout of ITS tools.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[92] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b064-UpperBounds-00 in 133418 ms.
Starting property specific reduction for FunctionPointer-PT-b064-UpperBounds-02
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 09:27:50] [INFO ] Flow matrix only has 171 transitions (discarded 97 similar events)
// Phase 1: matrix 171 rows 107 cols
[2025-06-01 09:27:50] [INFO ] Computed 3 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 14 ms. (666 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[5] Max Struct:[+inf]
[2025-06-01 09:27:50] [INFO ] Flow matrix only has 171 transitions (discarded 97 similar events)
[2025-06-01 09:27:50] [INFO ] Invariant cache hit.
[2025-06-01 09:27:50] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 09:27:50] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2025-06-01 09:27:50] [INFO ] State equation strengthened by 30 read => feed constraints.
[2025-06-01 09:27:50] [INFO ] [Real]Added 30 Read/Feed constraints in 6 ms returned sat
[2025-06-01 09:27:50] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:27:50] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 09:27:50] [INFO ] [Nat]Absence check using state equation in 84 ms returned sat
[2025-06-01 09:27:50] [INFO ] [Nat]Added 30 Read/Feed constraints in 10 ms returned sat
[2025-06-01 09:27:50] [INFO ] Computed and/alt/rep : 68/367/64 causal constraints (skipped 105 transitions) in 22 ms.
[2025-06-01 09:27:50] [INFO ] Added : 22 causal constraints over 6 iterations in 165 ms. Result :sat
Minimization took 64 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[5] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[5] Max Struct:[+inf]
Support contains 1 out of 107 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 107/107 places, 268/268 transitions.
Graph (complete) has 448 edges and 107 vertex of which 101 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.0 ms
Discarding 6 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 0 with 10 rules applied. Total rules applied 11 place count 101 transition count 258
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 15 place count 97 transition count 244
Iterating global reduction 1 with 4 rules applied. Total rules applied 19 place count 97 transition count 244
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 21 place count 97 transition count 242
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 26 place count 92 transition count 232
Iterating global reduction 2 with 5 rules applied. Total rules applied 31 place count 92 transition count 232
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 35 place count 92 transition count 228
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 37 place count 90 transition count 222
Iterating global reduction 3 with 2 rules applied. Total rules applied 39 place count 90 transition count 222
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 41 place count 88 transition count 218
Iterating global reduction 3 with 2 rules applied. Total rules applied 43 place count 88 transition count 218
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 45 place count 86 transition count 214
Iterating global reduction 3 with 2 rules applied. Total rules applied 47 place count 86 transition count 214
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 49 place count 84 transition count 210
Iterating global reduction 3 with 2 rules applied. Total rules applied 51 place count 84 transition count 210
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 52 place count 83 transition count 208
Iterating global reduction 3 with 1 rules applied. Total rules applied 53 place count 83 transition count 208
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 54 place count 82 transition count 206
Iterating global reduction 3 with 1 rules applied. Total rules applied 55 place count 82 transition count 206
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 56 place count 81 transition count 204
Iterating global reduction 3 with 1 rules applied. Total rules applied 57 place count 81 transition count 204
Applied a total of 57 rules in 55 ms. Remains 81 /107 variables (removed 26) and now considering 204/268 (removed 64) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 56 ms. Remains : 81/107 places, 204/268 transitions.
[2025-06-01 09:27:50] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
Found an invariant !
This invariant on transitions {31=1, 63=1, 109=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {31=1, 63=1, 109=1, 123=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 63 ms. (steps per millisecond=158 ) properties (out of 1) seen :[5]
Current structural bounds on expressions (after cover walk) : Max Seen:[5] Max Struct:[+inf]
[2025-06-01 09:27:50] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
// Phase 1: matrix 125 rows 81 cols
[2025-06-01 09:27:50] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[5] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1328 ms. (752 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 765 ms. (1305 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[631] Max Struct:[+inf]
[2025-06-01 09:27:53] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2025-06-01 09:27:53] [INFO ] Invariant cache hit.
[2025-06-01 09:27:53] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 09:27:53] [INFO ] [Real]Absence check using state equation in 39 ms returned sat
[2025-06-01 09:27:53] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 09:27:53] [INFO ] [Real]Added 18 Read/Feed constraints in 5 ms returned sat
[2025-06-01 09:27:53] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:27:53] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 09:27:53] [INFO ] [Nat]Absence check using state equation in 43 ms returned sat
[2025-06-01 09:27:53] [INFO ] [Nat]Added 18 Read/Feed constraints in 5 ms returned sat
[2025-06-01 09:27:53] [INFO ] Deduced a trap composed of 19 places in 79 ms of which 18 ms to minimize.
[2025-06-01 09:27:53] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 93 ms
[2025-06-01 09:27:53] [INFO ] Computed and/alt/rep : 59/193/53 causal constraints (skipped 70 transitions) in 16 ms.
[2025-06-01 09:27:53] [INFO ] Added : 18 causal constraints over 4 iterations in 101 ms. Result :sat
Minimization took 49 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[631] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[631] Max Struct:[+inf]
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 204/204 transitions.
Applied a total of 0 rules in 4 ms. Remains 81 /81 variables (removed 0) and now considering 204/204 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 81/81 places, 204/204 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 204/204 transitions.
Applied a total of 0 rules in 3 ms. Remains 81 /81 variables (removed 0) and now considering 204/204 (removed 0) transitions.
[2025-06-01 09:27:55] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2025-06-01 09:27:55] [INFO ] Invariant cache hit.
[2025-06-01 09:27:55] [INFO ] Implicit Places using invariants in 96 ms returned []
[2025-06-01 09:27:55] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2025-06-01 09:27:55] [INFO ] Invariant cache hit.
[2025-06-01 09:27:55] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 09:27:55] [INFO ] Implicit Places using invariants and state equation in 242 ms returned []
Implicit Place search using SMT with State Equation took 357 ms to find 0 implicit places.
[2025-06-01 09:27:55] [INFO ] Redundant transitions in 1 ms returned []
Running 202 sub problems to find dead transitions.
[2025-06-01 09:27:55] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2025-06-01 09:27:55] [INFO ] Invariant cache hit.
[2025-06-01 09:27:55] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 2 (OVERLAPS) 125/206 variables, 81/84 constraints. Problems are: Problem set: 0 solved, 202 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/206 variables, 18/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 5 (OVERLAPS) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
No progress, stopping.
After SMT solving in domain Real declared 206/206 variables, and 102 constraints, problems are : Problem set: 0 solved, 202 unsolved in 5762 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 202/202 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 202 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 2 (OVERLAPS) 125/206 variables, 81/84 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/206 variables, 18/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/206 variables, 202/304 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/206 variables, 0/304 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 6 (OVERLAPS) 0/206 variables, 0/304 constraints. Problems are: Problem set: 0 solved, 202 unsolved
No progress, stopping.
After SMT solving in domain Int declared 206/206 variables, and 304 constraints, problems are : Problem set: 0 solved, 202 unsolved in 7425 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 202/202 constraints, Known Traps: 0/0 constraints]
After SMT, in 13396ms problems are : Problem set: 0 solved, 202 unsolved
Search for dead transitions found 0 dead transitions in 13400ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13770 ms. Remains : 81/81 places, 204/204 transitions.
[2025-06-01 09:28:09] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
Found an invariant !
This invariant on transitions {31=1, 63=1, 109=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {31=1, 63=1, 109=1, 123=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 37 ms. (steps per millisecond=270 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[631] Max Struct:[+inf]
[2025-06-01 09:28:09] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2025-06-01 09:28:09] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[631] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1569 ms. (636 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 771 ms. (1295 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[631] Max Struct:[+inf]
[2025-06-01 09:28:11] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2025-06-01 09:28:11] [INFO ] Invariant cache hit.
[2025-06-01 09:28:11] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 09:28:11] [INFO ] [Real]Absence check using state equation in 42 ms returned sat
[2025-06-01 09:28:11] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 09:28:11] [INFO ] [Real]Added 18 Read/Feed constraints in 5 ms returned sat
[2025-06-01 09:28:11] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:28:11] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 09:28:11] [INFO ] [Nat]Absence check using state equation in 42 ms returned sat
[2025-06-01 09:28:11] [INFO ] [Nat]Added 18 Read/Feed constraints in 5 ms returned sat
[2025-06-01 09:28:11] [INFO ] Deduced a trap composed of 19 places in 55 ms of which 1 ms to minimize.
[2025-06-01 09:28:12] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 65 ms
[2025-06-01 09:28:12] [INFO ] Computed and/alt/rep : 59/193/53 causal constraints (skipped 70 transitions) in 10 ms.
[2025-06-01 09:28:12] [INFO ] Added : 18 causal constraints over 4 iterations in 61 ms. Result :sat
Minimization took 29 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[631] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[631] Max Struct:[+inf]
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 204/204 transitions.
Applied a total of 0 rules in 3 ms. Remains 81 /81 variables (removed 0) and now considering 204/204 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 81/81 places, 204/204 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 204/204 transitions.
Applied a total of 0 rules in 3 ms. Remains 81 /81 variables (removed 0) and now considering 204/204 (removed 0) transitions.
[2025-06-01 09:28:14] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2025-06-01 09:28:14] [INFO ] Invariant cache hit.
[2025-06-01 09:28:14] [INFO ] Implicit Places using invariants in 109 ms returned []
[2025-06-01 09:28:14] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2025-06-01 09:28:14] [INFO ] Invariant cache hit.
[2025-06-01 09:28:14] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 09:28:14] [INFO ] Implicit Places using invariants and state equation in 184 ms returned []
Implicit Place search using SMT with State Equation took 317 ms to find 0 implicit places.
[2025-06-01 09:28:14] [INFO ] Redundant transitions in 1 ms returned []
Running 202 sub problems to find dead transitions.
[2025-06-01 09:28:14] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2025-06-01 09:28:14] [INFO ] Invariant cache hit.
[2025-06-01 09:28:14] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 2 (OVERLAPS) 125/206 variables, 81/84 constraints. Problems are: Problem set: 0 solved, 202 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/206 variables, 18/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 5 (OVERLAPS) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
No progress, stopping.
After SMT solving in domain Real declared 206/206 variables, and 102 constraints, problems are : Problem set: 0 solved, 202 unsolved in 6145 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 202/202 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 202 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 2 (OVERLAPS) 125/206 variables, 81/84 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/206 variables, 18/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/206 variables, 202/304 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/206 variables, 0/304 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 6 (OVERLAPS) 0/206 variables, 0/304 constraints. Problems are: Problem set: 0 solved, 202 unsolved
No progress, stopping.
After SMT solving in domain Int declared 206/206 variables, and 304 constraints, problems are : Problem set: 0 solved, 202 unsolved in 9519 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 202/202 constraints, Known Traps: 0/0 constraints]
After SMT, in 15807ms problems are : Problem set: 0 solved, 202 unsolved
Search for dead transitions found 0 dead transitions in 15809ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 16137 ms. Remains : 81/81 places, 204/204 transitions.
[2025-06-01 09:28:30] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
Found an invariant !
This invariant on transitions {31=1, 63=1, 109=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {31=1, 63=1, 109=1, 123=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 54 ms. (steps per millisecond=185 ) properties (out of 1) seen :[5]
Current structural bounds on expressions (after cover walk) : Max Seen:[631] Max Struct:[+inf]
[2025-06-01 09:28:30] [INFO ] Flatten gal took : 16 ms
[2025-06-01 09:28:30] [INFO ] Flatten gal took : 16 ms
[2025-06-01 09:28:30] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10146597540415603685.gal : 3 ms
[2025-06-01 09:28:30] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13690289715704409538.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality10146597540415603685.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13690289715704409538.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
RANDOM walk for 40000 steps (8 resets) in 118 ms. (336 steps per ms) remains 1/1 properties
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality13690289715704409538.prop.
BEST_FIRST walk for 40004 steps (8 resets) in 74 ms. (533 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 31
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :31 after 1040
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1040 after 155244
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :155244 after 1.77406e+08
Interrupted probabilistic random walk after 1585777 steps, run timeout after 3001 ms. (steps per millisecond=528 ) properties seen :0 out of 1
Probabilistic random walk after 1585777 steps, saw 987128 distinct states, run finished after 3001 ms. (steps per millisecond=528 ) properties seen :0
[2025-06-01 09:28:33] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2025-06-01 09:28:33] [INFO ] Invariant cache hit.
[2025-06-01 09:28:33] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 71/82 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/82 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/92 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/92 variables, 4/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/92 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 97/189 variables, 57/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/189 variables, 18/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/189 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 6/195 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/195 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 10/205 variables, 10/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/205 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/206 variables, 1/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 206/206 variables, and 102 constraints, problems are : Problem set: 0 solved, 1 unsolved in 121 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 71/82 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/82 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/82 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 10/92 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/92 variables, 4/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/92 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 97/189 variables, 57/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/189 variables, 18/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/189 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 6/195 variables, 1/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/195 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 10/205 variables, 10/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/205 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/206 variables, 1/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/206 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/206 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 206/206 variables, and 103 constraints, problems are : Problem set: 0 solved, 1 unsolved in 117 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 244ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 0 ms.
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 204/204 transitions.
Applied a total of 0 rules in 3 ms. Remains 81 /81 variables (removed 0) and now considering 204/204 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 81/81 places, 204/204 transitions.
RANDOM walk for 40001 steps (8 resets) in 77 ms. (512 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 38 ms. (1025 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :1.77406e+08 after 2.78305e+12
Interrupted probabilistic random walk after 1749669 steps, run timeout after 3001 ms. (steps per millisecond=583 ) properties seen :0 out of 1
Probabilistic random walk after 1749669 steps, saw 1089142 distinct states, run finished after 3002 ms. (steps per millisecond=582 ) properties seen :0
[2025-06-01 09:28:36] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2025-06-01 09:28:36] [INFO ] Invariant cache hit.
[2025-06-01 09:28:36] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 71/82 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/82 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/92 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/92 variables, 4/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/92 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 97/189 variables, 57/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/189 variables, 18/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/189 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 6/195 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/195 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 10/205 variables, 10/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/205 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/206 variables, 1/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 206/206 variables, and 102 constraints, problems are : Problem set: 0 solved, 1 unsolved in 118 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 71/82 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/82 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/82 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 10/92 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/92 variables, 4/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/92 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 97/189 variables, 57/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/189 variables, 18/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/189 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 6/195 variables, 1/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/195 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 10/205 variables, 10/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/205 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/206 variables, 1/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/206 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/206 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 206/206 variables, and 103 constraints, problems are : Problem set: 0 solved, 1 unsolved in 120 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 273ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 0 ms.
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 204/204 transitions.
Applied a total of 0 rules in 15 ms. Remains 81 /81 variables (removed 0) and now considering 204/204 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 21 ms. Remains : 81/81 places, 204/204 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 204/204 transitions.
Applied a total of 0 rules in 4 ms. Remains 81 /81 variables (removed 0) and now considering 204/204 (removed 0) transitions.
[2025-06-01 09:28:37] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2025-06-01 09:28:37] [INFO ] Invariant cache hit.
[2025-06-01 09:28:37] [INFO ] Implicit Places using invariants in 236 ms returned []
[2025-06-01 09:28:37] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2025-06-01 09:28:37] [INFO ] Invariant cache hit.
[2025-06-01 09:28:37] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 09:28:37] [INFO ] Implicit Places using invariants and state equation in 241 ms returned []
Implicit Place search using SMT with State Equation took 480 ms to find 0 implicit places.
[2025-06-01 09:28:37] [INFO ] Redundant transitions in 1 ms returned []
Running 202 sub problems to find dead transitions.
[2025-06-01 09:28:37] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2025-06-01 09:28:37] [INFO ] Invariant cache hit.
[2025-06-01 09:28:37] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 2 (OVERLAPS) 125/206 variables, 81/84 constraints. Problems are: Problem set: 0 solved, 202 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/206 variables, 18/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 5 (OVERLAPS) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
No progress, stopping.
After SMT solving in domain Real declared 206/206 variables, and 102 constraints, problems are : Problem set: 0 solved, 202 unsolved in 4797 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 202/202 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 202 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 2 (OVERLAPS) 125/206 variables, 81/84 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/206 variables, 18/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/206 variables, 202/304 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/206 variables, 0/304 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 6 (OVERLAPS) 0/206 variables, 0/304 constraints. Problems are: Problem set: 0 solved, 202 unsolved
No progress, stopping.
After SMT solving in domain Int declared 206/206 variables, and 304 constraints, problems are : Problem set: 0 solved, 202 unsolved in 6897 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 202/202 constraints, Known Traps: 0/0 constraints]
After SMT, in 11834ms problems are : Problem set: 0 solved, 202 unsolved
Search for dead transitions found 0 dead transitions in 11836ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12328 ms. Remains : 81/81 places, 204/204 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 79 transitions
Reduce isomorphic transitions removed 79 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 7 transitions
Trivial Post-agglo rules discarded 7 transitions
Performed 7 trivial Post agglomeration. Transition count delta: 7
Iterating post reduction 0 with 86 rules applied. Total rules applied 86 place count 81 transition count 118
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 93 place count 74 transition count 118
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 16 Pre rules applied. Total rules applied 93 place count 74 transition count 102
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 125 place count 58 transition count 102
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: 15
Deduced a syphon composed of 15 places in 0 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 2 with 30 rules applied. Total rules applied 155 place count 43 transition count 87
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 162 place count 36 transition count 73
Iterating global reduction 2 with 7 rules applied. Total rules applied 169 place count 36 transition count 73
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 176 place count 29 transition count 59
Iterating global reduction 2 with 7 rules applied. Total rules applied 183 place count 29 transition count 59
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 190 place count 22 transition count 45
Iterating global reduction 2 with 7 rules applied. Total rules applied 197 place count 22 transition count 45
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 204 place count 22 transition count 38
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 204 place count 22 transition count 37
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 206 place count 21 transition count 37
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 208 place count 20 transition count 37
Applied a total of 208 rules in 17 ms. Remains 20 /81 variables (removed 61) and now considering 37/204 (removed 167) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 37 rows 20 cols
[2025-06-01 09:28:49] [INFO ] Computed 3 invariants in 0 ms
[2025-06-01 09:28:49] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 09:28:49] [INFO ] After 13ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2025-06-01 09:28:49] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-01 09:28:49] [INFO ] After 4ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-01 09:28:49] [INFO ] After 42ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-01 09:28:49] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 09:28:49] [INFO ] After 14ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-01 09:28:49] [INFO ] After 4ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-01 09:28:49] [INFO ] After 8ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-01 09:28:49] [INFO ] After 49ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-01 09:28:49] [INFO ] Flatten gal took : 3 ms
[2025-06-01 09:28:49] [INFO ] Flatten gal took : 3 ms
[2025-06-01 09:28:49] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13815737257190239970.gal : 1 ms
[2025-06-01 09:28:49] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5837430191922813374.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality13815737257190239970.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5837430191922813374.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality5837430191922813374.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :36 after 315
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :315 after 74116
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :74116 after 2.14714e+08
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :2.14714e+08 after 1.77591e+09
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :1.77591e+09 after 9.4111e+09
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :9.4111e+09 after 4.27012e+10
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :2.78305e+12 after 8.75387e+17
Detected timeout of ITS tools.
[2025-06-01 09:29:04] [INFO ] Flatten gal took : 2 ms
[2025-06-01 09:29:04] [INFO ] Applying decomposition
[2025-06-01 09:29:04] [INFO ] Flatten gal took : 2 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph6533456906788037859.txt' '-o' '/tmp/graph6533456906788037859.bin' '-w' '/tmp/graph6533456906788037859.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph6533456906788037859.bin' '-l' '-1' '-v' '-w' '/tmp/graph6533456906788037859.weights' '-q' '0' '-e' '0.001'
[2025-06-01 09:29:04] [INFO ] Decomposing Gal with order
[2025-06-01 09:29:04] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 09:29:04] [INFO ] Removed a total of 30 redundant transitions.
[2025-06-01 09:29:04] [INFO ] Flatten gal took : 5 ms
[2025-06-01 09:29:04] [INFO ] Fuse similar labels procedure discarded/fused a total of 6 labels/synchronizations in 2 ms.
[2025-06-01 09:29:04] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3111150336590294797.gal : 1 ms
[2025-06-01 09:29:04] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10076473969606971718.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality3111150336590294797.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10076473969606971718.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality10076473969606971718.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :36 after 315
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30226 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2025-06-01 09:29:19] [INFO ] Flatten gal took : 10 ms
[2025-06-01 09:29:19] [INFO ] Applying decomposition
[2025-06-01 09:29:19] [INFO ] Flatten gal took : 12 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph10177890669783773954.txt' '-o' '/tmp/graph10177890669783773954.bin' '-w' '/tmp/graph10177890669783773954.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph10177890669783773954.bin' '-l' '-1' '-v' '-w' '/tmp/graph10177890669783773954.weights' '-q' '0' '-e' '0.001'
[2025-06-01 09:29:19] [INFO ] Decomposing Gal with order
[2025-06-01 09:29:19] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 09:29:19] [INFO ] Removed a total of 347 redundant transitions.
[2025-06-01 09:29:19] [INFO ] Flatten gal took : 22 ms
[2025-06-01 09:29:19] [INFO ] Fuse similar labels procedure discarded/fused a total of 114 labels/synchronizations in 9 ms.
[2025-06-01 09:29:19] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8829021303833502597.gal : 3 ms
[2025-06-01 09:29:19] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5326301402180102377.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality8829021303833502597.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5326301402180102377.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...307
Loading property file /tmp/ReachabilityCardinality5326301402180102377.prop.
Detected timeout of ITS tools.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[631] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b064-UpperBounds-02 in 139727 ms.
Starting property specific reduction for FunctionPointer-PT-b064-UpperBounds-08
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 09:30:09] [INFO ] Flow matrix only has 171 transitions (discarded 97 similar events)
// Phase 1: matrix 171 rows 107 cols
[2025-06-01 09:30:09] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 13 ms. (714 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3] Max Struct:[+inf]
[2025-06-01 09:30:09] [INFO ] Flow matrix only has 171 transitions (discarded 97 similar events)
[2025-06-01 09:30:09] [INFO ] Invariant cache hit.
[2025-06-01 09:30:09] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 09:30:09] [INFO ] [Real]Absence check using state equation in 59 ms returned sat
[2025-06-01 09:30:09] [INFO ] State equation strengthened by 30 read => feed constraints.
[2025-06-01 09:30:09] [INFO ] [Real]Added 30 Read/Feed constraints in 6 ms returned sat
[2025-06-01 09:30:09] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:30:09] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 09:30:10] [INFO ] [Nat]Absence check using state equation in 56 ms returned sat
[2025-06-01 09:30:10] [INFO ] [Nat]Added 30 Read/Feed constraints in 6 ms returned sat
[2025-06-01 09:30:10] [INFO ] Computed and/alt/rep : 68/367/64 causal constraints (skipped 105 transitions) in 15 ms.
[2025-06-01 09:30:10] [INFO ] Added : 28 causal constraints over 7 iterations in 114 ms. Result :sat
Minimization took 43 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3] Max Struct:[+inf]
Support contains 1 out of 107 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 107/107 places, 268/268 transitions.
Graph (complete) has 448 edges and 107 vertex of which 101 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.1 ms
Discarding 6 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 0 with 10 rules applied. Total rules applied 11 place count 101 transition count 258
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 15 place count 97 transition count 248
Iterating global reduction 1 with 4 rules applied. Total rules applied 19 place count 97 transition count 248
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 21 place count 97 transition count 246
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 26 place count 92 transition count 234
Iterating global reduction 2 with 5 rules applied. Total rules applied 31 place count 92 transition count 234
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 2 with 8 rules applied. Total rules applied 39 place count 92 transition count 226
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 41 place count 90 transition count 222
Iterating global reduction 3 with 2 rules applied. Total rules applied 43 place count 90 transition count 222
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 45 place count 88 transition count 218
Iterating global reduction 3 with 2 rules applied. Total rules applied 47 place count 88 transition count 218
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 49 place count 86 transition count 214
Iterating global reduction 3 with 2 rules applied. Total rules applied 51 place count 86 transition count 214
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 53 place count 84 transition count 210
Iterating global reduction 3 with 2 rules applied. Total rules applied 55 place count 84 transition count 210
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 56 place count 83 transition count 208
Iterating global reduction 3 with 1 rules applied. Total rules applied 57 place count 83 transition count 208
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 58 place count 82 transition count 206
Iterating global reduction 3 with 1 rules applied. Total rules applied 59 place count 82 transition count 206
Applied a total of 59 rules in 19 ms. Remains 82 /107 variables (removed 25) and now considering 206/268 (removed 62) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 82/107 places, 206/268 transitions.
[2025-06-01 09:30:10] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
Found an invariant !
This invariant on transitions {30=1, 63=1, 93=1, 121=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {24=1, 57=1, 87=1, 122=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 34 ms. (steps per millisecond=294 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[4] Max Struct:[+inf]
[2025-06-01 09:30:10] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
// Phase 1: matrix 126 rows 82 cols
[2025-06-01 09:30:10] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[4] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1329 ms. (751 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 790 ms. (1264 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[280] Max Struct:[+inf]
[2025-06-01 09:30:12] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2025-06-01 09:30:12] [INFO ] Invariant cache hit.
[2025-06-01 09:30:12] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 09:30:12] [INFO ] [Real]Absence check using state equation in 39 ms returned sat
[2025-06-01 09:30:12] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 09:30:12] [INFO ] [Real]Added 18 Read/Feed constraints in 5 ms returned sat
[2025-06-01 09:30:12] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:30:12] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 09:30:12] [INFO ] [Nat]Absence check using state equation in 41 ms returned sat
[2025-06-01 09:30:12] [INFO ] [Nat]Added 18 Read/Feed constraints in 5 ms returned sat
[2025-06-01 09:30:12] [INFO ] Deduced a trap composed of 15 places in 62 ms of which 2 ms to minimize.
[2025-06-01 09:30:12] [INFO ] Deduced a trap composed of 18 places in 100 ms of which 2 ms to minimize.
[2025-06-01 09:30:12] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 182 ms
[2025-06-01 09:30:12] [INFO ] Computed and/alt/rep : 59/192/53 causal constraints (skipped 71 transitions) in 15 ms.
[2025-06-01 09:30:12] [INFO ] Added : 9 causal constraints over 3 iterations in 77 ms. Result :sat
Minimization took 47 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[280] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[280] Max Struct:[+inf]
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 206/206 transitions.
Applied a total of 0 rules in 5 ms. Remains 82 /82 variables (removed 0) and now considering 206/206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 82/82 places, 206/206 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 206/206 transitions.
Applied a total of 0 rules in 5 ms. Remains 82 /82 variables (removed 0) and now considering 206/206 (removed 0) transitions.
[2025-06-01 09:30:13] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2025-06-01 09:30:13] [INFO ] Invariant cache hit.
[2025-06-01 09:30:13] [INFO ] Implicit Places using invariants in 116 ms returned []
[2025-06-01 09:30:13] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2025-06-01 09:30:13] [INFO ] Invariant cache hit.
[2025-06-01 09:30:13] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 09:30:13] [INFO ] Implicit Places using invariants and state equation in 305 ms returned []
Implicit Place search using SMT with State Equation took 423 ms to find 0 implicit places.
[2025-06-01 09:30:13] [INFO ] Redundant transitions in 1 ms returned []
Running 204 sub problems to find dead transitions.
[2025-06-01 09:30:13] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2025-06-01 09:30:13] [INFO ] Invariant cache hit.
[2025-06-01 09:30:13] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 2 (OVERLAPS) 126/208 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/208 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/208 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 5 (OVERLAPS) 0/208 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
No progress, stopping.
After SMT solving in domain Real declared 208/208 variables, and 103 constraints, problems are : Problem set: 0 solved, 204 unsolved in 7417 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 204/204 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 204 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 2 (OVERLAPS) 126/208 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/208 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/208 variables, 204/307 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/208 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 6 (OVERLAPS) 0/208 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 204 unsolved
No progress, stopping.
After SMT solving in domain Int declared 208/208 variables, and 307 constraints, problems are : Problem set: 0 solved, 204 unsolved in 7496 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 204/204 constraints, Known Traps: 0/0 constraints]
After SMT, in 15138ms problems are : Problem set: 0 solved, 204 unsolved
Search for dead transitions found 0 dead transitions in 15143ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15582 ms. Remains : 82/82 places, 206/206 transitions.
[2025-06-01 09:30:28] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
Found an invariant !
This invariant on transitions {30=1, 63=1, 93=1, 121=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {24=1, 57=1, 87=1, 122=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 54 ms. (steps per millisecond=185 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[280] Max Struct:[+inf]
[2025-06-01 09:30:28] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2025-06-01 09:30:28] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[280] Max Struct:[+inf]
RANDOM walk for 1000001 steps (2 resets) in 1505 ms. (664 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 794 ms. (1257 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[280] Max Struct:[+inf]
[2025-06-01 09:30:31] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2025-06-01 09:30:31] [INFO ] Invariant cache hit.
[2025-06-01 09:30:31] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 09:30:31] [INFO ] [Real]Absence check using state equation in 43 ms returned sat
[2025-06-01 09:30:31] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 09:30:31] [INFO ] [Real]Added 18 Read/Feed constraints in 4 ms returned sat
[2025-06-01 09:30:31] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:30:31] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 09:30:31] [INFO ] [Nat]Absence check using state equation in 48 ms returned sat
[2025-06-01 09:30:31] [INFO ] [Nat]Added 18 Read/Feed constraints in 6 ms returned sat
[2025-06-01 09:30:31] [INFO ] Deduced a trap composed of 15 places in 113 ms of which 2 ms to minimize.
[2025-06-01 09:30:31] [INFO ] Deduced a trap composed of 18 places in 102 ms of which 2 ms to minimize.
[2025-06-01 09:30:31] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 243 ms
[2025-06-01 09:30:31] [INFO ] Computed and/alt/rep : 59/192/53 causal constraints (skipped 71 transitions) in 15 ms.
[2025-06-01 09:30:31] [INFO ] Added : 9 causal constraints over 3 iterations in 79 ms. Result :sat
Minimization took 47 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[280] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[280] Max Struct:[+inf]
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 206/206 transitions.
Applied a total of 0 rules in 8 ms. Remains 82 /82 variables (removed 0) and now considering 206/206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 82/82 places, 206/206 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 206/206 transitions.
Applied a total of 0 rules in 5 ms. Remains 82 /82 variables (removed 0) and now considering 206/206 (removed 0) transitions.
[2025-06-01 09:30:31] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2025-06-01 09:30:31] [INFO ] Invariant cache hit.
[2025-06-01 09:30:31] [INFO ] Implicit Places using invariants in 185 ms returned []
[2025-06-01 09:30:31] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2025-06-01 09:30:31] [INFO ] Invariant cache hit.
[2025-06-01 09:30:31] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 09:30:32] [INFO ] Implicit Places using invariants and state equation in 237 ms returned []
Implicit Place search using SMT with State Equation took 426 ms to find 0 implicit places.
[2025-06-01 09:30:32] [INFO ] Redundant transitions in 1 ms returned []
Running 204 sub problems to find dead transitions.
[2025-06-01 09:30:32] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2025-06-01 09:30:32] [INFO ] Invariant cache hit.
[2025-06-01 09:30:32] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 2 (OVERLAPS) 126/208 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/208 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/208 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 5 (OVERLAPS) 0/208 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
No progress, stopping.
After SMT solving in domain Real declared 208/208 variables, and 103 constraints, problems are : Problem set: 0 solved, 204 unsolved in 6275 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 204/204 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 204 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 2 (OVERLAPS) 126/208 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/208 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/208 variables, 204/307 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/208 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 6 (OVERLAPS) 0/208 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 204 unsolved
No progress, stopping.
After SMT solving in domain Int declared 208/208 variables, and 307 constraints, problems are : Problem set: 0 solved, 204 unsolved in 8592 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 204/204 constraints, Known Traps: 0/0 constraints]
After SMT, in 15065ms problems are : Problem set: 0 solved, 204 unsolved
Search for dead transitions found 0 dead transitions in 15070ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15508 ms. Remains : 82/82 places, 206/206 transitions.
[2025-06-01 09:30:47] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
Found an invariant !
This invariant on transitions {30=1, 63=1, 93=1, 121=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {24=1, 57=1, 87=1, 122=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 37 ms. (steps per millisecond=270 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[280] Max Struct:[+inf]
[2025-06-01 09:30:47] [INFO ] Flatten gal took : 11 ms
[2025-06-01 09:30:47] [INFO ] Flatten gal took : 9 ms
[2025-06-01 09:30:47] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8371572167108850970.gal : 3 ms
[2025-06-01 09:30:47] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15975108632362459870.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality8371572167108850970.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15975108632362459870.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
RANDOM walk for 40003 steps (8 resets) in 106 ms. (373 steps per ms) remains 1/1 properties
Loading property file /tmp/ReachabilityCardinality15975108632362459870.prop.
BEST_FIRST walk for 40004 steps (8 resets) in 48 ms. (816 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 31
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :31 after 1042
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1042 after 156830
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :156830 after 1.80068e+08
Interrupted probabilistic random walk after 1499268 steps, run timeout after 3001 ms. (steps per millisecond=499 ) properties seen :0 out of 1
Probabilistic random walk after 1499268 steps, saw 933123 distinct states, run finished after 3001 ms. (steps per millisecond=499 ) properties seen :0
[2025-06-01 09:30:50] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2025-06-01 09:30:50] [INFO ] Invariant cache hit.
[2025-06-01 09:30:50] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/8 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 7/15 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/25 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/25 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 73/98 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/98 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/98 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 7/105 variables, 2/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/105 variables, 3/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/105 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 91/196 variables, 53/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/196 variables, 16/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/196 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 6/202 variables, 1/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/202 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 6/208 variables, 8/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/208 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/208 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 208/208 variables, and 103 constraints, problems are : Problem set: 0 solved, 1 unsolved in 123 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/8 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 7/15 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/25 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/25 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 73/98 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/98 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/98 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/98 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 7/105 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/105 variables, 3/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/105 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 91/196 variables, 53/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/196 variables, 16/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/196 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 6/202 variables, 1/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/202 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 6/208 variables, 8/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/208 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/208 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 208/208 variables, and 104 constraints, problems are : Problem set: 0 solved, 1 unsolved in 114 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 255ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 515 ms.
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 206/206 transitions.
Applied a total of 0 rules in 4 ms. Remains 82 /82 variables (removed 0) and now considering 206/206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 82/82 places, 206/206 transitions.
RANDOM walk for 40002 steps (8 resets) in 66 ms. (597 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 30 ms. (1290 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :1.80068e+08 after 2.94416e+12
Interrupted probabilistic random walk after 1507766 steps, run timeout after 3001 ms. (steps per millisecond=502 ) properties seen :0 out of 1
Probabilistic random walk after 1507766 steps, saw 938331 distinct states, run finished after 3001 ms. (steps per millisecond=502 ) properties seen :0
[2025-06-01 09:30:54] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2025-06-01 09:30:54] [INFO ] Invariant cache hit.
[2025-06-01 09:30:54] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/8 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 7/15 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/25 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/25 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 73/98 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/98 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/98 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 7/105 variables, 2/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/105 variables, 3/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/105 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 91/196 variables, 53/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/196 variables, 16/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/196 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 6/202 variables, 1/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/202 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 6/208 variables, 8/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/208 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/208 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 208/208 variables, and 103 constraints, problems are : Problem set: 0 solved, 1 unsolved in 128 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/8 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 7/15 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/25 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/25 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 73/98 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/98 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/98 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/98 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 7/105 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/105 variables, 3/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/105 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 91/196 variables, 53/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/196 variables, 16/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/196 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 6/202 variables, 1/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/202 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 6/208 variables, 8/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/208 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/208 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 208/208 variables, and 104 constraints, problems are : Problem set: 0 solved, 1 unsolved in 133 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 278ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 504 ms.
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 206/206 transitions.
Applied a total of 0 rules in 3 ms. Remains 82 /82 variables (removed 0) and now considering 206/206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 82/82 places, 206/206 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 206/206 transitions.
Applied a total of 0 rules in 3 ms. Remains 82 /82 variables (removed 0) and now considering 206/206 (removed 0) transitions.
[2025-06-01 09:30:54] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2025-06-01 09:30:54] [INFO ] Invariant cache hit.
[2025-06-01 09:30:55] [INFO ] Implicit Places using invariants in 101 ms returned []
[2025-06-01 09:30:55] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2025-06-01 09:30:55] [INFO ] Invariant cache hit.
[2025-06-01 09:30:55] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 09:30:55] [INFO ] Implicit Places using invariants and state equation in 227 ms returned []
Implicit Place search using SMT with State Equation took 337 ms to find 0 implicit places.
[2025-06-01 09:30:55] [INFO ] Redundant transitions in 1 ms returned []
Running 204 sub problems to find dead transitions.
[2025-06-01 09:30:55] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2025-06-01 09:30:55] [INFO ] Invariant cache hit.
[2025-06-01 09:30:55] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 2 (OVERLAPS) 126/208 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/208 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/208 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 5 (OVERLAPS) 0/208 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
No progress, stopping.
After SMT solving in domain Real declared 208/208 variables, and 103 constraints, problems are : Problem set: 0 solved, 204 unsolved in 5475 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 204/204 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 204 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 2 (OVERLAPS) 126/208 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/208 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/208 variables, 204/307 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/208 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 6 (OVERLAPS) 0/208 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 204 unsolved
No progress, stopping.
After SMT solving in domain Int declared 208/208 variables, and 307 constraints, problems are : Problem set: 0 solved, 204 unsolved in 7759 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 204/204 constraints, Known Traps: 0/0 constraints]
After SMT, in 13378ms problems are : Problem set: 0 solved, 204 unsolved
Search for dead transitions found 0 dead transitions in 13385ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13732 ms. Remains : 82/82 places, 206/206 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 80 transitions
Reduce isomorphic transitions removed 80 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 0 with 86 rules applied. Total rules applied 86 place count 82 transition count 120
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 92 place count 76 transition count 120
Performed 17 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 17 Pre rules applied. Total rules applied 92 place count 76 transition count 103
Deduced a syphon composed of 17 places in 1 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 2 with 34 rules applied. Total rules applied 126 place count 59 transition count 103
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: 15
Deduced a syphon composed of 15 places in 0 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 2 with 30 rules applied. Total rules applied 156 place count 44 transition count 88
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 163 place count 37 transition count 74
Iterating global reduction 2 with 7 rules applied. Total rules applied 170 place count 37 transition count 74
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 177 place count 30 transition count 60
Iterating global reduction 2 with 7 rules applied. Total rules applied 184 place count 30 transition count 60
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 191 place count 23 transition count 46
Iterating global reduction 2 with 7 rules applied. Total rules applied 198 place count 23 transition count 46
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 205 place count 23 transition count 39
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 205 place count 23 transition count 38
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 207 place count 22 transition count 38
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 211 place count 20 transition count 38
Applied a total of 211 rules in 17 ms. Remains 20 /82 variables (removed 62) and now considering 38/206 (removed 168) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 38 rows 20 cols
[2025-06-01 09:31:08] [INFO ] Computed 3 invariants in 1 ms
[2025-06-01 09:31:08] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 09:31:08] [INFO ] After 17ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2025-06-01 09:31:08] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-01 09:31:08] [INFO ] After 4ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-01 09:31:08] [INFO ] After 44ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-01 09:31:08] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 09:31:08] [INFO ] After 25ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-01 09:31:08] [INFO ] After 4ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-01 09:31:08] [INFO ] After 8ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-01 09:31:08] [INFO ] After 58ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-01 09:31:08] [INFO ] Flatten gal took : 3 ms
[2025-06-01 09:31:08] [INFO ] Flatten gal took : 2 ms
[2025-06-01 09:31:08] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17420133999152177582.gal : 1 ms
[2025-06-01 09:31:08] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2965525196433968500.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality17420133999152177582.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2965525196433968500.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality2965525196433968500.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :36 after 315
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :315 after 74116
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :74116 after 2.14714e+08
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :2.14714e+08 after 1.77591e+09
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :1.77591e+09 after 9.4111e+09
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :9.4111e+09 after 4.27012e+10
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :2.94416e+12 after 1.0746e+18
Detected timeout of ITS tools.
[2025-06-01 09:31:23] [INFO ] Flatten gal took : 2 ms
[2025-06-01 09:31:23] [INFO ] Applying decomposition
[2025-06-01 09:31:23] [INFO ] Flatten gal took : 2 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph16228756220158293641.txt' '-o' '/tmp/graph16228756220158293641.bin' '-w' '/tmp/graph16228756220158293641.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph16228756220158293641.bin' '-l' '-1' '-v' '-w' '/tmp/graph16228756220158293641.weights' '-q' '0' '-e' '0.001'
[2025-06-01 09:31:23] [INFO ] Decomposing Gal with order
[2025-06-01 09:31:23] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 09:31:23] [INFO ] Removed a total of 35 redundant transitions.
[2025-06-01 09:31:23] [INFO ] Flatten gal took : 7 ms
[2025-06-01 09:31:23] [INFO ] Fuse similar labels procedure discarded/fused a total of 4 labels/synchronizations in 1 ms.
[2025-06-01 09:31:23] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1171182005015283757.gal : 1 ms
[2025-06-01 09:31:23] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16498782431817105222.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality1171182005015283757.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16498782431817105222.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality16498782431817105222.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :36 after 315
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :315 after 378947
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :378947 after 4.90919e+06
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :4.90919e+06 after 1.43357e+07
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :1.43357e+07 after 3.30973e+07
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :3.30973e+07 after 7.06205e+07
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :7.06205e+07 after 1.45667e+08
Detected timeout of ITS tools.
[2025-06-01 09:31:37] [INFO ] Flatten gal took : 8 ms
[2025-06-01 09:31:37] [INFO ] Applying decomposition
[2025-06-01 09:31:37] [INFO ] Flatten gal took : 7 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph12671434944248231884.txt' '-o' '/tmp/graph12671434944248231884.bin' '-w' '/tmp/graph12671434944248231884.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph12671434944248231884.bin' '-l' '-1' '-v' '-w' '/tmp/graph12671434944248231884.weights' '-q' '0' '-e' '0.001'
[2025-06-01 09:31:37] [INFO ] Decomposing Gal with order
[2025-06-01 09:31:37] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 09:31:37] [INFO ] Removed a total of 351 redundant transitions.
[2025-06-01 09:31:37] [INFO ] Flatten gal took : 16 ms
[2025-06-01 09:31:37] [INFO ] Fuse similar labels procedure discarded/fused a total of 115 labels/synchronizations in 9 ms.
[2025-06-01 09:31:37] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17073517381242383029.gal : 2 ms
[2025-06-01 09:31:37] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3056571284249889099.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality17073517381242383029.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3056571284249889099.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality3056571284249889099.prop.
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30259 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[280] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b064-UpperBounds-08 in 89111 ms.
Starting property specific reduction for FunctionPointer-PT-b064-UpperBounds-10
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 09:31:38] [INFO ] Flow matrix only has 171 transitions (discarded 97 similar events)
// Phase 1: matrix 171 rows 107 cols
[2025-06-01 09:31:38] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 14 ms. (666 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[+inf]
[2025-06-01 09:31:38] [INFO ] Flow matrix only has 171 transitions (discarded 97 similar events)
[2025-06-01 09:31:38] [INFO ] Invariant cache hit.
[2025-06-01 09:31:38] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 09:31:39] [INFO ] [Real]Absence check using state equation in 68 ms returned sat
[2025-06-01 09:31:39] [INFO ] State equation strengthened by 30 read => feed constraints.
[2025-06-01 09:31:39] [INFO ] [Real]Added 30 Read/Feed constraints in 5 ms returned sat
[2025-06-01 09:31:39] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:31:39] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 09:31:39] [INFO ] [Nat]Absence check using state equation in 50 ms returned sat
[2025-06-01 09:31:39] [INFO ] [Nat]Added 30 Read/Feed constraints in 6 ms returned sat
[2025-06-01 09:31:39] [INFO ] Deduced a trap composed of 32 places in 75 ms of which 1 ms to minimize.
[2025-06-01 09:31:39] [INFO ] Deduced a trap composed of 27 places in 78 ms of which 2 ms to minimize.
[2025-06-01 09:31:39] [INFO ] Deduced a trap composed of 25 places in 76 ms of which 2 ms to minimize.
[2025-06-01 09:31:39] [INFO ] Deduced a trap composed of 24 places in 75 ms of which 2 ms to minimize.
[2025-06-01 09:31:39] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 342 ms
[2025-06-01 09:31:39] [INFO ] Computed and/alt/rep : 68/367/64 causal constraints (skipped 105 transitions) in 14 ms.
[2025-06-01 09:31:39] [INFO ] Added : 8 causal constraints over 2 iterations in 56 ms. Result :sat
Minimization took 46 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[63] Max Struct:[+inf]
Support contains 1 out of 107 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 107/107 places, 268/268 transitions.
Graph (complete) has 448 edges and 107 vertex of which 104 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.0 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 6 place count 104 transition count 263
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 11 place count 99 transition count 247
Iterating global reduction 1 with 5 rules applied. Total rules applied 16 place count 99 transition count 247
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 18 place count 99 transition count 245
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 24 place count 93 transition count 231
Iterating global reduction 2 with 6 rules applied. Total rules applied 30 place count 93 transition count 231
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 34 place count 93 transition count 227
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 37 place count 90 transition count 219
Iterating global reduction 3 with 3 rules applied. Total rules applied 40 place count 90 transition count 219
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 43 place count 87 transition count 213
Iterating global reduction 3 with 3 rules applied. Total rules applied 46 place count 87 transition count 213
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 49 place count 84 transition count 207
Iterating global reduction 3 with 3 rules applied. Total rules applied 52 place count 84 transition count 207
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 55 place count 81 transition count 201
Iterating global reduction 3 with 3 rules applied. Total rules applied 58 place count 81 transition count 201
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 60 place count 79 transition count 197
Iterating global reduction 3 with 2 rules applied. Total rules applied 62 place count 79 transition count 197
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 64 place count 77 transition count 193
Iterating global reduction 3 with 2 rules applied. Total rules applied 66 place count 77 transition count 193
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 67 place count 76 transition count 191
Iterating global reduction 3 with 1 rules applied. Total rules applied 68 place count 76 transition count 191
Applied a total of 68 rules in 21 ms. Remains 76 /107 variables (removed 31) and now considering 191/268 (removed 77) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 21 ms. Remains : 76/107 places, 191/268 transitions.
[2025-06-01 09:31:39] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
Found an invariant !
This invariant on transitions {31=1, 56=1, 102=1, 115=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {31=1, 56=1, 86=1, 112=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 52 ms. (steps per millisecond=192 ) properties (out of 1) seen :[6]
Current structural bounds on expressions (after cover walk) : Max Seen:[63] Max Struct:[+inf]
[2025-06-01 09:31:39] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
// Phase 1: matrix 117 rows 76 cols
[2025-06-01 09:31:39] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[63] Max Struct:[+inf]
RANDOM walk for 1000010 steps (2 resets) in 1429 ms. (699 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 653 ms. (1529 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[69] Max Struct:[+inf]
[2025-06-01 09:31:42] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2025-06-01 09:31:42] [INFO ] Invariant cache hit.
[2025-06-01 09:31:42] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 09:31:42] [INFO ] [Real]Absence check using state equation in 39 ms returned sat
[2025-06-01 09:31:42] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 09:31:42] [INFO ] [Real]Added 18 Read/Feed constraints in 8 ms returned sat
[2025-06-01 09:31:42] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:31:42] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 09:31:42] [INFO ] [Nat]Absence check using state equation in 40 ms returned sat
[2025-06-01 09:31:42] [INFO ] [Nat]Added 18 Read/Feed constraints in 8 ms returned sat
[2025-06-01 09:31:42] [INFO ] Deduced a trap composed of 19 places in 52 ms of which 1 ms to minimize.
[2025-06-01 09:31:42] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 62 ms
[2025-06-01 09:31:42] [INFO ] Computed and/alt/rep : 61/197/52 causal constraints (skipped 63 transitions) in 10 ms.
[2025-06-01 09:31:42] [INFO ] Added : 6 causal constraints over 3 iterations in 45 ms. Result :sat
Minimization took 27 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[69] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[69] Max Struct:[+inf]
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 3 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 76/76 places, 191/191 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 3 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
[2025-06-01 09:31:42] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2025-06-01 09:31:42] [INFO ] Invariant cache hit.
[2025-06-01 09:31:42] [INFO ] Implicit Places using invariants in 91 ms returned []
[2025-06-01 09:31:42] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2025-06-01 09:31:42] [INFO ] Invariant cache hit.
[2025-06-01 09:31:42] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 09:31:42] [INFO ] Implicit Places using invariants and state equation in 178 ms returned []
Implicit Place search using SMT with State Equation took 270 ms to find 0 implicit places.
[2025-06-01 09:31:42] [INFO ] Redundant transitions in 0 ms returned []
Running 189 sub problems to find dead transitions.
[2025-06-01 09:31:42] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2025-06-01 09:31:42] [INFO ] Invariant cache hit.
[2025-06-01 09:31:42] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 2 (OVERLAPS) 117/193 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 189 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 18/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 5 (OVERLAPS) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
No progress, stopping.
After SMT solving in domain Real declared 193/193 variables, and 97 constraints, problems are : Problem set: 0 solved, 189 unsolved in 4403 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 189/189 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 189 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 2 (OVERLAPS) 117/193 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 18/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 189/286 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 6 (OVERLAPS) 0/193 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 189 unsolved
No progress, stopping.
After SMT solving in domain Int declared 193/193 variables, and 286 constraints, problems are : Problem set: 0 solved, 189 unsolved in 7332 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 189/189 constraints, Known Traps: 0/0 constraints]
After SMT, in 11861ms problems are : Problem set: 0 solved, 189 unsolved
Search for dead transitions found 0 dead transitions in 11864ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12143 ms. Remains : 76/76 places, 191/191 transitions.
[2025-06-01 09:31:54] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
Found an invariant !
This invariant on transitions {31=1, 56=1, 102=1, 115=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {31=1, 56=1, 86=1, 112=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 31 ms. (steps per millisecond=322 ) properties (out of 1) seen :[9]
Current structural bounds on expressions (after cover walk) : Max Seen:[69] Max Struct:[+inf]
[2025-06-01 09:31:54] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2025-06-01 09:31:54] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[69] Max Struct:[+inf]
RANDOM walk for 1000048 steps (2 resets) in 963 ms. (1037 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 664 ms. (1503 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[93] Max Struct:[+inf]
[2025-06-01 09:31:56] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2025-06-01 09:31:56] [INFO ] Invariant cache hit.
[2025-06-01 09:31:56] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 09:31:56] [INFO ] [Real]Absence check using state equation in 51 ms returned sat
[2025-06-01 09:31:56] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 09:31:56] [INFO ] [Real]Added 18 Read/Feed constraints in 10 ms returned sat
[2025-06-01 09:31:56] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:31:56] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 09:31:56] [INFO ] [Nat]Absence check using state equation in 44 ms returned sat
[2025-06-01 09:31:56] [INFO ] [Nat]Added 18 Read/Feed constraints in 8 ms returned sat
[2025-06-01 09:31:56] [INFO ] Deduced a trap composed of 19 places in 95 ms of which 1 ms to minimize.
[2025-06-01 09:31:56] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 108 ms
[2025-06-01 09:31:56] [INFO ] Computed and/alt/rep : 61/197/52 causal constraints (skipped 63 transitions) in 13 ms.
[2025-06-01 09:31:56] [INFO ] Added : 6 causal constraints over 3 iterations in 55 ms. Result :sat
Minimization took 27 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[93] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[93] Max Struct:[+inf]
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 4 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 76/76 places, 191/191 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 4 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
[2025-06-01 09:31:56] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2025-06-01 09:31:56] [INFO ] Invariant cache hit.
[2025-06-01 09:31:56] [INFO ] Implicit Places using invariants in 148 ms returned []
[2025-06-01 09:31:56] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2025-06-01 09:31:56] [INFO ] Invariant cache hit.
[2025-06-01 09:31:56] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 09:31:57] [INFO ] Implicit Places using invariants and state equation in 284 ms returned []
Implicit Place search using SMT with State Equation took 433 ms to find 0 implicit places.
[2025-06-01 09:31:57] [INFO ] Redundant transitions in 1 ms returned []
Running 189 sub problems to find dead transitions.
[2025-06-01 09:31:57] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2025-06-01 09:31:57] [INFO ] Invariant cache hit.
[2025-06-01 09:31:57] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 2 (OVERLAPS) 117/193 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 189 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 18/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 5 (OVERLAPS) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
No progress, stopping.
After SMT solving in domain Real declared 193/193 variables, and 97 constraints, problems are : Problem set: 0 solved, 189 unsolved in 3936 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 189/189 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 189 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 2 (OVERLAPS) 117/193 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 18/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 189/286 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 6 (OVERLAPS) 0/193 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 189 unsolved
No progress, stopping.
After SMT solving in domain Int declared 193/193 variables, and 286 constraints, problems are : Problem set: 0 solved, 189 unsolved in 7797 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 189/189 constraints, Known Traps: 0/0 constraints]
After SMT, in 11938ms problems are : Problem set: 0 solved, 189 unsolved
Search for dead transitions found 0 dead transitions in 11942ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12387 ms. Remains : 76/76 places, 191/191 transitions.
[2025-06-01 09:32:09] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
Found an invariant !
This invariant on transitions {31=1, 56=1, 102=1, 115=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {31=1, 56=1, 86=1, 112=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 31 ms. (steps per millisecond=322 ) properties (out of 1) seen :[7]
Current structural bounds on expressions (after cover walk) : Max Seen:[93] Max Struct:[+inf]
[2025-06-01 09:32:09] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2025-06-01 09:32:09] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[93] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1146 ms. (871 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 665 ms. (1501 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[93] Max Struct:[+inf]
[2025-06-01 09:32:11] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2025-06-01 09:32:11] [INFO ] Invariant cache hit.
[2025-06-01 09:32:11] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 09:32:11] [INFO ] [Real]Absence check using state equation in 40 ms returned sat
[2025-06-01 09:32:11] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 09:32:11] [INFO ] [Real]Added 18 Read/Feed constraints in 8 ms returned sat
[2025-06-01 09:32:11] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:32:11] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 09:32:11] [INFO ] [Nat]Absence check using state equation in 39 ms returned sat
[2025-06-01 09:32:11] [INFO ] [Nat]Added 18 Read/Feed constraints in 7 ms returned sat
[2025-06-01 09:32:11] [INFO ] Deduced a trap composed of 19 places in 57 ms of which 2 ms to minimize.
[2025-06-01 09:32:11] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 70 ms
[2025-06-01 09:32:11] [INFO ] Computed and/alt/rep : 61/197/52 causal constraints (skipped 63 transitions) in 14 ms.
[2025-06-01 09:32:11] [INFO ] Added : 6 causal constraints over 3 iterations in 71 ms. Result :sat
Minimization took 41 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[93] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[93] Max Struct:[+inf]
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 4 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 76/76 places, 191/191 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 3 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
[2025-06-01 09:32:11] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2025-06-01 09:32:11] [INFO ] Invariant cache hit.
[2025-06-01 09:32:11] [INFO ] Implicit Places using invariants in 149 ms returned []
[2025-06-01 09:32:11] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2025-06-01 09:32:11] [INFO ] Invariant cache hit.
[2025-06-01 09:32:11] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 09:32:11] [INFO ] Implicit Places using invariants and state equation in 282 ms returned []
Implicit Place search using SMT with State Equation took 433 ms to find 0 implicit places.
[2025-06-01 09:32:11] [INFO ] Redundant transitions in 1 ms returned []
Running 189 sub problems to find dead transitions.
[2025-06-01 09:32:11] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2025-06-01 09:32:11] [INFO ] Invariant cache hit.
[2025-06-01 09:32:11] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 2 (OVERLAPS) 117/193 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 189 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 18/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 5 (OVERLAPS) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
No progress, stopping.
After SMT solving in domain Real declared 193/193 variables, and 97 constraints, problems are : Problem set: 0 solved, 189 unsolved in 3999 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 189/189 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 189 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 2 (OVERLAPS) 117/193 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 18/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 189/286 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 6 (OVERLAPS) 0/193 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 189 unsolved
No progress, stopping.
After SMT solving in domain Int declared 193/193 variables, and 286 constraints, problems are : Problem set: 0 solved, 189 unsolved in 6322 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 189/189 constraints, Known Traps: 0/0 constraints]
After SMT, in 10543ms problems are : Problem set: 0 solved, 189 unsolved
Search for dead transitions found 0 dead transitions in 10547ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10994 ms. Remains : 76/76 places, 191/191 transitions.
[2025-06-01 09:32:22] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
Found an invariant !
This invariant on transitions {31=1, 56=1, 102=1, 115=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {31=1, 56=1, 86=1, 112=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 1) seen :[9]
Current structural bounds on expressions (after cover walk) : Max Seen:[93] Max Struct:[+inf]
[2025-06-01 09:32:22] [INFO ] Flatten gal took : 8 ms
RANDOM walk for 40005 steps (8 resets) in 60 ms. (655 steps per ms) remains 1/1 properties
[2025-06-01 09:32:22] [INFO ] Flatten gal took : 15 ms
[2025-06-01 09:32:22] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16537961865173361288.gal : 3 ms
[2025-06-01 09:32:22] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4955236147119852277.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality16537961865173361288.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4955236147119852277.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40003 steps (8 resets) in 49 ms. (800 steps per ms) remains 1/1 properties
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality4955236147119852277.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 31
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :31 after 923
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :923 after 103738
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :103738 after 7.00547e+07
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :7.00547e+07 after 4.05225e+11
Interrupted probabilistic random walk after 1566431 steps, run timeout after 3001 ms. (steps per millisecond=521 ) properties seen :0 out of 1
Probabilistic random walk after 1566431 steps, saw 975032 distinct states, run finished after 3001 ms. (steps per millisecond=521 ) properties seen :0
[2025-06-01 09:32:25] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2025-06-01 09:32:25] [INFO ] Invariant cache hit.
[2025-06-01 09:32:25] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 64/69 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/69 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/69 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 6/75 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/75 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/75 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 94/169 variables, 53/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/169 variables, 17/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/169 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 6/175 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/175 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 11/186 variables, 10/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/186 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 4/190 variables, 2/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/190 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 3/193 variables, 2/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 193/193 variables, and 97 constraints, problems are : Problem set: 0 solved, 1 unsolved in 135 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 64/69 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/69 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/69 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 6/75 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/75 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/75 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 94/169 variables, 53/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/169 variables, 17/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/169 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/169 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 6/175 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/175 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 11/186 variables, 10/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/186 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 4/190 variables, 2/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/190 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 3/193 variables, 2/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/193 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/193 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 193/193 variables, and 98 constraints, problems are : Problem set: 0 solved, 1 unsolved in 106 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 250ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 123 ms.
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 5 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 76/76 places, 191/191 transitions.
RANDOM walk for 40014 steps (8 resets) in 70 ms. (563 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 37 ms. (1052 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1809286 steps, run timeout after 3001 ms. (steps per millisecond=602 ) properties seen :0 out of 1
Probabilistic random walk after 1809286 steps, saw 1126194 distinct states, run finished after 3001 ms. (steps per millisecond=602 ) properties seen :0
[2025-06-01 09:32:29] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2025-06-01 09:32:29] [INFO ] Invariant cache hit.
[2025-06-01 09:32:29] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 64/69 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/69 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/69 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 6/75 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/75 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/75 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 94/169 variables, 53/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/169 variables, 17/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/169 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 6/175 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/175 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 11/186 variables, 10/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/186 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 4/190 variables, 2/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/190 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 3/193 variables, 2/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 193/193 variables, and 97 constraints, problems are : Problem set: 0 solved, 1 unsolved in 108 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 64/69 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/69 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/69 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 6/75 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/75 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/75 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 94/169 variables, 53/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/169 variables, 17/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/169 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/169 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 6/175 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/175 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 11/186 variables, 10/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/186 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 4/190 variables, 2/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/190 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 3/193 variables, 2/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/193 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/193 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 193/193 variables, and 98 constraints, problems are : Problem set: 0 solved, 1 unsolved in 116 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 228ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 115 ms.
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 6 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 76/76 places, 191/191 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 3 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
[2025-06-01 09:32:29] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2025-06-01 09:32:29] [INFO ] Invariant cache hit.
[2025-06-01 09:32:29] [INFO ] Implicit Places using invariants in 80 ms returned []
[2025-06-01 09:32:29] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2025-06-01 09:32:29] [INFO ] Invariant cache hit.
[2025-06-01 09:32:29] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 09:32:29] [INFO ] Implicit Places using invariants and state equation in 160 ms returned []
Implicit Place search using SMT with State Equation took 247 ms to find 0 implicit places.
[2025-06-01 09:32:29] [INFO ] Redundant transitions in 0 ms returned []
Running 189 sub problems to find dead transitions.
[2025-06-01 09:32:29] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2025-06-01 09:32:29] [INFO ] Invariant cache hit.
[2025-06-01 09:32:29] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 2 (OVERLAPS) 117/193 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 189 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 18/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 5 (OVERLAPS) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
No progress, stopping.
After SMT solving in domain Real declared 193/193 variables, and 97 constraints, problems are : Problem set: 0 solved, 189 unsolved in 3844 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 189/189 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 189 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 2 (OVERLAPS) 117/193 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 18/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :4.05225e+11 after 2.075e+16
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 189/286 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 6 (OVERLAPS) 0/193 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 189 unsolved
No progress, stopping.
After SMT solving in domain Int declared 193/193 variables, and 286 constraints, problems are : Problem set: 0 solved, 189 unsolved in 5763 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 189/189 constraints, Known Traps: 0/0 constraints]
After SMT, in 9727ms problems are : Problem set: 0 solved, 189 unsolved
Search for dead transitions found 0 dead transitions in 9729ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9985 ms. Remains : 76/76 places, 191/191 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 74 transitions
Reduce isomorphic transitions removed 74 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 7 transitions
Trivial Post-agglo rules discarded 7 transitions
Performed 7 trivial Post agglomeration. Transition count delta: 7
Iterating post reduction 0 with 81 rules applied. Total rules applied 81 place count 76 transition count 110
Reduce places removed 7 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 8 rules applied. Total rules applied 89 place count 69 transition count 109
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 90 place count 68 transition count 109
Performed 12 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 12 Pre rules applied. Total rules applied 90 place count 68 transition count 97
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 3 with 24 rules applied. Total rules applied 114 place count 56 transition count 97
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: 15
Deduced a syphon composed of 15 places in 0 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 3 with 30 rules applied. Total rules applied 144 place count 41 transition count 82
Discarding 7 places :
Symmetric choice reduction at 3 with 7 rule applications. Total rules 151 place count 34 transition count 68
Iterating global reduction 3 with 7 rules applied. Total rules applied 158 place count 34 transition count 68
Discarding 7 places :
Symmetric choice reduction at 3 with 7 rule applications. Total rules 165 place count 27 transition count 54
Iterating global reduction 3 with 7 rules applied. Total rules applied 172 place count 27 transition count 54
Discarding 7 places :
Symmetric choice reduction at 3 with 7 rule applications. Total rules 179 place count 20 transition count 40
Iterating global reduction 3 with 7 rules applied. Total rules applied 186 place count 20 transition count 40
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 3 with 7 rules applied. Total rules applied 193 place count 20 transition count 33
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 193 place count 20 transition count 32
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 195 place count 19 transition count 32
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 197 place count 18 transition count 32
Applied a total of 197 rules in 12 ms. Remains 18 /76 variables (removed 58) and now considering 32/191 (removed 159) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 32 rows 18 cols
[2025-06-01 09:32:39] [INFO ] Computed 3 invariants in 1 ms
[2025-06-01 09:32:39] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 09:32:39] [INFO ] After 33ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-01 09:32:39] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 09:32:39] [INFO ] After 17ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-01 09:32:39] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-01 09:32:39] [INFO ] After 4ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-01 09:32:39] [INFO ] After 9ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-01 09:32:39] [INFO ] After 61ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-01 09:32:39] [INFO ] Flatten gal took : 1 ms
[2025-06-01 09:32:39] [INFO ] Flatten gal took : 3 ms
[2025-06-01 09:32:39] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality852971049135623166.gal : 1 ms
[2025-06-01 09:32:39] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8740695629623330942.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality852971049135623166.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8740695629623330942.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...327
Loading property file /tmp/ReachabilityCardinality8740695629623330942.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :36 after 315
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :315 after 35107
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :35107 after 6.2298e+06
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :6.2298e+06 after 1.79901e+07
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :1.79901e+07 after 4.1465e+07
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :4.1465e+07 after 8.8369e+07
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :8.8369e+07 after 1.82131e+08
Detected timeout of ITS tools.
[2025-06-01 09:32:54] [INFO ] Flatten gal took : 1 ms
[2025-06-01 09:32:54] [INFO ] Applying decomposition
[2025-06-01 09:32:54] [INFO ] Flatten gal took : 1 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph17207779890748192439.txt' '-o' '/tmp/graph17207779890748192439.bin' '-w' '/tmp/graph17207779890748192439.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph17207779890748192439.bin' '-l' '-1' '-v' '-w' '/tmp/graph17207779890748192439.weights' '-q' '0' '-e' '0.001'
[2025-06-01 09:32:54] [INFO ] Decomposing Gal with order
[2025-06-01 09:32:54] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 09:32:54] [INFO ] Removed a total of 23 redundant transitions.
[2025-06-01 09:32:54] [INFO ] Flatten gal took : 3 ms
[2025-06-01 09:32:54] [INFO ] Fuse similar labels procedure discarded/fused a total of 4 labels/synchronizations in 0 ms.
[2025-06-01 09:32:54] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2971524696057293674.gal : 9 ms
[2025-06-01 09:32:54] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2665529703220428731.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality2971524696057293674.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2665529703220428731.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...307
Loading property file /tmp/ReachabilityCardinality2665529703220428731.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :36 after 315
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :315 after 470467
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :470467 after 6.14471e+06
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :6.14471e+06 after 1.7905e+07
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :1.7905e+07 after 4.13341e+07
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :4.13341e+07 after 8.81924e+07
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :8.81924e+07 after 1.81909e+08
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30192 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2025-06-01 09:33:09] [INFO ] Flatten gal took : 7 ms
[2025-06-01 09:33:09] [INFO ] Applying decomposition
[2025-06-01 09:33:09] [INFO ] Flatten gal took : 6 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph5033337885909273316.txt' '-o' '/tmp/graph5033337885909273316.bin' '-w' '/tmp/graph5033337885909273316.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph5033337885909273316.bin' '-l' '-1' '-v' '-w' '/tmp/graph5033337885909273316.weights' '-q' '0' '-e' '0.001'
[2025-06-01 09:33:09] [INFO ] Decomposing Gal with order
[2025-06-01 09:33:09] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 09:33:09] [INFO ] Removed a total of 322 redundant transitions.
[2025-06-01 09:33:09] [INFO ] Flatten gal took : 14 ms
[2025-06-01 09:33:09] [INFO ] Fuse similar labels procedure discarded/fused a total of 94 labels/synchronizations in 3 ms.
[2025-06-01 09:33:09] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3316658832909543167.gal : 2 ms
[2025-06-01 09:33:09] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7628069223122269977.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality3316658832909543167.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7628069223122269977.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...307
Loading property file /tmp/ReachabilityCardinality7628069223122269977.prop.
Detected timeout of ITS tools.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[93] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b064-UpperBounds-10 in 140781 ms.
Starting property specific reduction for FunctionPointer-PT-b064-UpperBounds-11
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 09:33:59] [INFO ] Flow matrix only has 171 transitions (discarded 97 similar events)
// Phase 1: matrix 171 rows 107 cols
[2025-06-01 09:33:59] [INFO ] Computed 3 invariants in 0 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 14 ms. (666 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2025-06-01 09:33:59] [INFO ] Flow matrix only has 171 transitions (discarded 97 similar events)
[2025-06-01 09:33:59] [INFO ] Invariant cache hit.
[2025-06-01 09:33:59] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 09:33:59] [INFO ] [Real]Absence check using state equation in 57 ms returned sat
[2025-06-01 09:33:59] [INFO ] State equation strengthened by 30 read => feed constraints.
[2025-06-01 09:33:59] [INFO ] [Real]Added 30 Read/Feed constraints in 6 ms returned sat
[2025-06-01 09:33:59] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:33:59] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 09:33:59] [INFO ] [Nat]Absence check using state equation in 51 ms returned sat
[2025-06-01 09:33:59] [INFO ] [Nat]Added 30 Read/Feed constraints in 6 ms returned sat
[2025-06-01 09:34:00] [INFO ] Deduced a trap composed of 29 places in 69 ms of which 2 ms to minimize.
[2025-06-01 09:34:00] [INFO ] Deduced a trap composed of 31 places in 72 ms of which 2 ms to minimize.
[2025-06-01 09:34:00] [INFO ] Deduced a trap composed of 28 places in 70 ms of which 2 ms to minimize.
[2025-06-01 09:34:00] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 238 ms
[2025-06-01 09:34:00] [INFO ] Computed and/alt/rep : 68/367/64 causal constraints (skipped 105 transitions) in 12 ms.
[2025-06-01 09:34:00] [INFO ] Added : 13 causal constraints over 5 iterations in 84 ms. Result :sat
Minimization took 39 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 107 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 107/107 places, 268/268 transitions.
Graph (complete) has 448 edges and 107 vertex of which 101 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.0 ms
Discarding 6 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 0 with 10 rules applied. Total rules applied 11 place count 101 transition count 258
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 15 place count 97 transition count 244
Iterating global reduction 1 with 4 rules applied. Total rules applied 19 place count 97 transition count 244
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 21 place count 97 transition count 242
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 26 place count 92 transition count 230
Iterating global reduction 2 with 5 rules applied. Total rules applied 31 place count 92 transition count 230
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 35 place count 92 transition count 226
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 37 place count 90 transition count 220
Iterating global reduction 3 with 2 rules applied. Total rules applied 39 place count 90 transition count 220
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 41 place count 88 transition count 216
Iterating global reduction 3 with 2 rules applied. Total rules applied 43 place count 88 transition count 216
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 45 place count 86 transition count 212
Iterating global reduction 3 with 2 rules applied. Total rules applied 47 place count 86 transition count 212
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 49 place count 84 transition count 208
Iterating global reduction 3 with 2 rules applied. Total rules applied 51 place count 84 transition count 208
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 53 place count 82 transition count 204
Iterating global reduction 3 with 2 rules applied. Total rules applied 55 place count 82 transition count 204
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 57 place count 80 transition count 200
Iterating global reduction 3 with 2 rules applied. Total rules applied 59 place count 80 transition count 200
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 60 place count 79 transition count 198
Iterating global reduction 3 with 1 rules applied. Total rules applied 61 place count 79 transition count 198
Applied a total of 61 rules in 15 ms. Remains 79 /107 variables (removed 28) and now considering 198/268 (removed 70) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17 ms. Remains : 79/107 places, 198/268 transitions.
[2025-06-01 09:34:00] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
Found an invariant !
This invariant on transitions {31=1, 60=1, 106=1, 121=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {30=1, 59=1, 105=1, 120=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 35 ms. (steps per millisecond=285 ) properties (out of 1) seen :[6]
Current structural bounds on expressions (after cover walk) : Max Seen:[6] Max Struct:[+inf]
[2025-06-01 09:34:00] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
// Phase 1: matrix 122 rows 79 cols
[2025-06-01 09:34:00] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[6] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1095 ms. (912 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 751 ms. (1329 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[777] Max Struct:[+inf]
[2025-06-01 09:34:02] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 09:34:02] [INFO ] Invariant cache hit.
[2025-06-01 09:34:02] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 09:34:02] [INFO ] [Real]Absence check using state equation in 46 ms returned sat
[2025-06-01 09:34:02] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 09:34:02] [INFO ] [Real]Added 18 Read/Feed constraints in 5 ms returned sat
[2025-06-01 09:34:02] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:34:02] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 09:34:02] [INFO ] [Nat]Absence check using state equation in 44 ms returned sat
[2025-06-01 09:34:02] [INFO ] [Nat]Added 18 Read/Feed constraints in 5 ms returned sat
[2025-06-01 09:34:02] [INFO ] Computed and/alt/rep : 59/192/53 causal constraints (skipped 67 transitions) in 11 ms.
[2025-06-01 09:34:02] [INFO ] Added : 15 causal constraints over 4 iterations in 60 ms. Result :sat
Minimization took 30 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[777] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[777] Max Struct:[+inf]
Support contains 1 out of 79 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 198/198 transitions.
Applied a total of 0 rules in 3 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 79/79 places, 198/198 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 198/198 transitions.
Applied a total of 0 rules in 19 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
[2025-06-01 09:34:04] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 09:34:04] [INFO ] Invariant cache hit.
[2025-06-01 09:34:04] [INFO ] Implicit Places using invariants in 125 ms returned []
[2025-06-01 09:34:04] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 09:34:04] [INFO ] Invariant cache hit.
[2025-06-01 09:34:04] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 09:34:04] [INFO ] Implicit Places using invariants and state equation in 201 ms returned []
Implicit Place search using SMT with State Equation took 328 ms to find 0 implicit places.
[2025-06-01 09:34:04] [INFO ] Redundant transitions in 0 ms returned []
Running 196 sub problems to find dead transitions.
[2025-06-01 09:34:04] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 09:34:04] [INFO ] Invariant cache hit.
[2025-06-01 09:34:04] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/79 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/79 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 2 (OVERLAPS) 122/201 variables, 79/82 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/201 variables, 18/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 5 (OVERLAPS) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
No progress, stopping.
After SMT solving in domain Real declared 201/201 variables, and 100 constraints, problems are : Problem set: 0 solved, 196 unsolved in 4901 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 196/196 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 196 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/79 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/79 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 2 (OVERLAPS) 122/201 variables, 79/82 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/201 variables, 18/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/201 variables, 196/296 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/201 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 6 (OVERLAPS) 0/201 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 196 unsolved
No progress, stopping.
After SMT solving in domain Int declared 201/201 variables, and 296 constraints, problems are : Problem set: 0 solved, 196 unsolved in 7272 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 196/196 constraints, Known Traps: 0/0 constraints]
After SMT, in 12305ms problems are : Problem set: 0 solved, 196 unsolved
Search for dead transitions found 0 dead transitions in 12308ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12662 ms. Remains : 79/79 places, 198/198 transitions.
[2025-06-01 09:34:16] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
Found an invariant !
This invariant on transitions {31=1, 60=1, 106=1, 121=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {30=1, 59=1, 105=1, 120=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 1) seen :[10]
Current structural bounds on expressions (after cover walk) : Max Seen:[777] Max Struct:[+inf]
[2025-06-01 09:34:17] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 09:34:17] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[777] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1158 ms. (862 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 751 ms. (1329 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[777] Max Struct:[+inf]
[2025-06-01 09:34:19] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 09:34:19] [INFO ] Invariant cache hit.
[2025-06-01 09:34:19] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 09:34:19] [INFO ] [Real]Absence check using state equation in 59 ms returned sat
[2025-06-01 09:34:19] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 09:34:19] [INFO ] [Real]Added 18 Read/Feed constraints in 8 ms returned sat
[2025-06-01 09:34:19] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:34:19] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 09:34:19] [INFO ] [Nat]Absence check using state equation in 59 ms returned sat
[2025-06-01 09:34:19] [INFO ] [Nat]Added 18 Read/Feed constraints in 7 ms returned sat
[2025-06-01 09:34:19] [INFO ] Computed and/alt/rep : 59/192/53 causal constraints (skipped 67 transitions) in 13 ms.
[2025-06-01 09:34:19] [INFO ] Added : 15 causal constraints over 4 iterations in 79 ms. Result :sat
Minimization took 46 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[777] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[777] Max Struct:[+inf]
Support contains 1 out of 79 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 198/198 transitions.
Applied a total of 0 rules in 3 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 79/79 places, 198/198 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 198/198 transitions.
Applied a total of 0 rules in 2 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
[2025-06-01 09:34:21] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 09:34:21] [INFO ] Invariant cache hit.
[2025-06-01 09:34:21] [INFO ] Implicit Places using invariants in 138 ms returned []
[2025-06-01 09:34:21] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 09:34:21] [INFO ] Invariant cache hit.
[2025-06-01 09:34:21] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 09:34:21] [INFO ] Implicit Places using invariants and state equation in 232 ms returned []
Implicit Place search using SMT with State Equation took 372 ms to find 0 implicit places.
[2025-06-01 09:34:21] [INFO ] Redundant transitions in 1 ms returned []
Running 196 sub problems to find dead transitions.
[2025-06-01 09:34:21] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 09:34:21] [INFO ] Invariant cache hit.
[2025-06-01 09:34:21] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/79 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/79 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 2 (OVERLAPS) 122/201 variables, 79/82 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/201 variables, 18/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 5 (OVERLAPS) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
No progress, stopping.
After SMT solving in domain Real declared 201/201 variables, and 100 constraints, problems are : Problem set: 0 solved, 196 unsolved in 6249 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 196/196 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 196 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/79 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/79 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 2 (OVERLAPS) 122/201 variables, 79/82 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/201 variables, 18/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/201 variables, 196/296 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/201 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 6 (OVERLAPS) 0/201 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 196 unsolved
No progress, stopping.
After SMT solving in domain Int declared 201/201 variables, and 296 constraints, problems are : Problem set: 0 solved, 196 unsolved in 8412 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 196/196 constraints, Known Traps: 0/0 constraints]
After SMT, in 14878ms problems are : Problem set: 0 solved, 196 unsolved
Search for dead transitions found 0 dead transitions in 14883ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15265 ms. Remains : 79/79 places, 198/198 transitions.
[2025-06-01 09:34:36] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
Found an invariant !
This invariant on transitions {31=1, 60=1, 106=1, 121=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {30=1, 59=1, 105=1, 120=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 1) seen :[6]
Current structural bounds on expressions (after cover walk) : Max Seen:[777] Max Struct:[+inf]
[2025-06-01 09:34:36] [INFO ] Flatten gal took : 7 ms
[2025-06-01 09:34:36] [INFO ] Flatten gal took : 17 ms
RANDOM walk for 40002 steps (8 resets) in 87 ms. (454 steps per ms) remains 1/1 properties
[2025-06-01 09:34:36] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17216662232574971549.gal : 2 ms
[2025-06-01 09:34:36] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9888101795413070541.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality17216662232574971549.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9888101795413070541.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
BEST_FIRST walk for 40004 steps (8 resets) in 37 ms. (1052 steps per ms) remains 1/1 properties
Loading property file /tmp/ReachabilityCardinality9888101795413070541.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 31
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :31 after 1040
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1040 after 155244
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :155244 after 1.77406e+08
Interrupted probabilistic random walk after 1647915 steps, run timeout after 3001 ms. (steps per millisecond=549 ) properties seen :0 out of 1
Probabilistic random walk after 1647915 steps, saw 1015759 distinct states, run finished after 3001 ms. (steps per millisecond=549 ) properties seen :0
[2025-06-01 09:34:39] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 09:34:39] [INFO ] Invariant cache hit.
[2025-06-01 09:34:39] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 71/75 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/75 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 7/82 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/82 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/82 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 100/182 variables, 57/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/182 variables, 17/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/182 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 6/188 variables, 1/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/188 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 10/198 variables, 10/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/198 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 3/201 variables, 2/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 201/201 variables, and 100 constraints, problems are : Problem set: 0 solved, 1 unsolved in 112 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 71/75 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/75 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/75 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/82 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/82 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/82 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 100/182 variables, 57/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/182 variables, 17/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/182 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 6/188 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/188 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 10/198 variables, 10/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/198 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 3/201 variables, 2/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/201 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/201 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 201/201 variables, and 101 constraints, problems are : Problem set: 0 solved, 1 unsolved in 117 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 235ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 1100 ms.
Support contains 1 out of 79 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 198/198 transitions.
Applied a total of 0 rules in 3 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 79/79 places, 198/198 transitions.
RANDOM walk for 40002 steps (8 resets) in 67 ms. (588 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 29 ms. (1333 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :1.77406e+08 after 2.78305e+12
Interrupted probabilistic random walk after 1729995 steps, run timeout after 3001 ms. (steps per millisecond=576 ) properties seen :0 out of 1
Probabilistic random walk after 1729995 steps, saw 1072102 distinct states, run finished after 3001 ms. (steps per millisecond=576 ) properties seen :0
[2025-06-01 09:34:43] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 09:34:43] [INFO ] Invariant cache hit.
[2025-06-01 09:34:43] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 71/75 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/75 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 7/82 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/82 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/82 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 100/182 variables, 57/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/182 variables, 17/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/182 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 6/188 variables, 1/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/188 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 10/198 variables, 10/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/198 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 3/201 variables, 2/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 201/201 variables, and 100 constraints, problems are : Problem set: 0 solved, 1 unsolved in 114 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 71/75 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/75 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/75 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/82 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/82 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/82 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 100/182 variables, 57/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/182 variables, 17/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/182 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 6/188 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/188 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 10/198 variables, 10/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/198 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 3/201 variables, 2/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/201 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/201 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 201/201 variables, and 101 constraints, problems are : Problem set: 0 solved, 1 unsolved in 111 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 231ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 1045 ms.
Support contains 1 out of 79 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 198/198 transitions.
Applied a total of 0 rules in 13 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 79/79 places, 198/198 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 198/198 transitions.
Applied a total of 0 rules in 2 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
[2025-06-01 09:34:45] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 09:34:45] [INFO ] Invariant cache hit.
[2025-06-01 09:34:45] [INFO ] Implicit Places using invariants in 89 ms returned []
[2025-06-01 09:34:45] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 09:34:45] [INFO ] Invariant cache hit.
[2025-06-01 09:34:45] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 09:34:45] [INFO ] Implicit Places using invariants and state equation in 165 ms returned []
Implicit Place search using SMT with State Equation took 255 ms to find 0 implicit places.
[2025-06-01 09:34:45] [INFO ] Redundant transitions in 1 ms returned []
Running 196 sub problems to find dead transitions.
[2025-06-01 09:34:45] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 09:34:45] [INFO ] Invariant cache hit.
[2025-06-01 09:34:45] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/79 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/79 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 2 (OVERLAPS) 122/201 variables, 79/82 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/201 variables, 18/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 5 (OVERLAPS) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
No progress, stopping.
After SMT solving in domain Real declared 201/201 variables, and 100 constraints, problems are : Problem set: 0 solved, 196 unsolved in 4656 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 196/196 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 196 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/79 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/79 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 2 (OVERLAPS) 122/201 variables, 79/82 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/201 variables, 18/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/201 variables, 196/296 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/201 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 6 (OVERLAPS) 0/201 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 196 unsolved
No progress, stopping.
After SMT solving in domain Int declared 201/201 variables, and 296 constraints, problems are : Problem set: 0 solved, 196 unsolved in 6156 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 196/196 constraints, Known Traps: 0/0 constraints]
After SMT, in 10973ms problems are : Problem set: 0 solved, 196 unsolved
Search for dead transitions found 0 dead transitions in 10975ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11238 ms. Remains : 79/79 places, 198/198 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 76 transitions
Reduce isomorphic transitions removed 76 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 0 with 84 rules applied. Total rules applied 84 place count 79 transition count 114
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 92 place count 71 transition count 114
Performed 13 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 13 Pre rules applied. Total rules applied 92 place count 71 transition count 101
Deduced a syphon composed of 13 places in 0 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 2 with 26 rules applied. Total rules applied 118 place count 58 transition count 101
Performed 16 Post agglomeration using F-continuation condition.Transition count delta: 16
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 150 place count 42 transition count 85
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 157 place count 35 transition count 71
Iterating global reduction 2 with 7 rules applied. Total rules applied 164 place count 35 transition count 71
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 171 place count 28 transition count 57
Iterating global reduction 2 with 7 rules applied. Total rules applied 178 place count 28 transition count 57
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 185 place count 21 transition count 43
Iterating global reduction 2 with 7 rules applied. Total rules applied 192 place count 21 transition count 43
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 199 place count 21 transition count 36
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 199 place count 21 transition count 35
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 201 place count 20 transition count 35
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 203 place count 19 transition count 36
Applied a total of 203 rules in 11 ms. Remains 19 /79 variables (removed 60) and now considering 36/198 (removed 162) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 36 rows 19 cols
[2025-06-01 09:34:56] [INFO ] Computed 3 invariants in 1 ms
[2025-06-01 09:34:56] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 09:34:56] [INFO ] After 38ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-01 09:34:56] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 09:34:56] [INFO ] After 14ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-01 09:34:56] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-01 09:34:56] [INFO ] After 3ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-01 09:34:56] [INFO ] After 7ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-01 09:34:56] [INFO ] After 50ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-01 09:34:56] [INFO ] Flatten gal took : 2 ms
[2025-06-01 09:34:56] [INFO ] Flatten gal took : 2 ms
[2025-06-01 09:34:56] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9206950452677190989.gal : 1 ms
[2025-06-01 09:34:56] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13450140435182705762.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality9206950452677190989.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13450140435182705762.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality13450140435182705762.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :36 after 315
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :315 after 74116
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :74116 after 2.14714e+08
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :2.14714e+08 after 1.77591e+09
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :1.77591e+09 after 9.4111e+09
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :2.78305e+12 after 8.75387e+17
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :9.4111e+09 after 4.27012e+10
Detected timeout of ITS tools.
[2025-06-01 09:35:11] [INFO ] Flatten gal took : 1 ms
[2025-06-01 09:35:11] [INFO ] Applying decomposition
[2025-06-01 09:35:11] [INFO ] Flatten gal took : 1 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph1672996057566842667.txt' '-o' '/tmp/graph1672996057566842667.bin' '-w' '/tmp/graph1672996057566842667.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph1672996057566842667.bin' '-l' '-1' '-v' '-w' '/tmp/graph1672996057566842667.weights' '-q' '0' '-e' '0.001'
[2025-06-01 09:35:11] [INFO ] Decomposing Gal with order
[2025-06-01 09:35:11] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 09:35:11] [INFO ] Removed a total of 29 redundant transitions.
[2025-06-01 09:35:11] [INFO ] Flatten gal took : 4 ms
[2025-06-01 09:35:11] [INFO ] Fuse similar labels procedure discarded/fused a total of 4 labels/synchronizations in 0 ms.
[2025-06-01 09:35:11] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8389942047016511669.gal : 1 ms
[2025-06-01 09:35:11] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10853110845011227520.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality8389942047016511669.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10853110845011227520.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality10853110845011227520.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :36 after 315
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :315 after 25348
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :25348 after 3.96746e+06
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :3.96746e+06 after 1.33458e+07
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :1.33458e+07 after 3.09176e+07
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :3.09176e+07 after 6.60613e+07
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :6.60613e+07 after 1.36349e+08
Detected timeout of ITS tools.
[2025-06-01 09:35:26] [INFO ] Flatten gal took : 7 ms
[2025-06-01 09:35:26] [INFO ] Applying decomposition
[2025-06-01 09:35:26] [INFO ] Flatten gal took : 7 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph10768199265411767796.txt' '-o' '/tmp/graph10768199265411767796.bin' '-w' '/tmp/graph10768199265411767796.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph10768199265411767796.bin' '-l' '-1' '-v' '-w' '/tmp/graph10768199265411767796.weights' '-q' '0' '-e' '0.001'
[2025-06-01 09:35:26] [INFO ] Decomposing Gal with order
[2025-06-01 09:35:26] [INFO ] Rewriting arrays to variables to allow decomposition.
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30188 ms.
[2025-06-01 09:35:26] [INFO ] Removed a total of 333 redundant transitions.
[2025-06-01 09:35:26] [INFO ] Flatten gal took : 14 ms
[2025-06-01 09:35:26] [INFO ] Fuse similar labels procedure discarded/fused a total of 109 labels/synchronizations in 3 ms.
[2025-06-01 09:35:26] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14512782572621922027.gal : 2 ms
[2025-06-01 09:35:26] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11839787740511629658.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality14512782572621922027.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11839787740511629658.prop' '--nowitness'
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
java.io.IOException: Stream closed
at java.base/java.io.BufferedInputStream.getBufIfOpen(BufferedInputStream.java:168)
at java.base/java.io.BufferedInputStream.read(BufferedInputStream.java:334)
at java.base/sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:270)
at java.base/sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:313)
at java.base/sun.nio.cs.StreamDecoder.read(StreamDecoder.java:188)
at java.base/java.io.InputStreamReader.read(InputStreamReader.java:177)
at java.base/java.io.BufferedReader.fill(BufferedReader.java:162)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:329)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:396)
at fr.lip6.move.gal.application.runner.its.ITSRunner$ITSInterpreter.run(ITSRunner.java:211)
at java.base/java.lang.Thread.run(Thread.java:840)
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[777] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b064-UpperBounds-11 in 86972 ms.
Starting property specific reduction for FunctionPointer-PT-b064-UpperBounds-13
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 09:35:26] [INFO ] Flow matrix only has 171 transitions (discarded 97 similar events)
// Phase 1: matrix 171 rows 107 cols
[2025-06-01 09:35:26] [INFO ] Computed 3 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 17 ms. (555 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[5] Max Struct:[+inf]
[2025-06-01 09:35:26] [INFO ] Flow matrix only has 171 transitions (discarded 97 similar events)
[2025-06-01 09:35:26] [INFO ] Invariant cache hit.
[2025-06-01 09:35:26] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 09:35:26] [INFO ] [Real]Absence check using state equation in 52 ms returned sat
[2025-06-01 09:35:26] [INFO ] State equation strengthened by 30 read => feed constraints.
[2025-06-01 09:35:26] [INFO ] [Real]Added 30 Read/Feed constraints in 6 ms returned sat
[2025-06-01 09:35:26] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:35:26] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 09:35:26] [INFO ] [Nat]Absence check using state equation in 79 ms returned sat
[2025-06-01 09:35:26] [INFO ] [Nat]Added 30 Read/Feed constraints in 9 ms returned sat
[2025-06-01 09:35:26] [INFO ] Computed and/alt/rep : 68/367/64 causal constraints (skipped 105 transitions) in 18 ms.
[2025-06-01 09:35:27] [INFO ] Added : 30 causal constraints over 8 iterations in 178 ms. Result :sat
Minimization took 72 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[5] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[5] Max Struct:[+inf]
Support contains 1 out of 107 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 107/107 places, 268/268 transitions.
Graph (complete) has 448 edges and 107 vertex of which 101 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.0 ms
Discarding 6 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 0 with 10 rules applied. Total rules applied 11 place count 101 transition count 258
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 15 place count 97 transition count 246
Iterating global reduction 1 with 4 rules applied. Total rules applied 19 place count 97 transition count 246
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 21 place count 97 transition count 244
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 26 place count 92 transition count 232
Iterating global reduction 2 with 5 rules applied. Total rules applied 31 place count 92 transition count 232
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 35 place count 92 transition count 228
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 37 place count 90 transition count 224
Iterating global reduction 3 with 2 rules applied. Total rules applied 39 place count 90 transition count 224
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 41 place count 88 transition count 220
Iterating global reduction 3 with 2 rules applied. Total rules applied 43 place count 88 transition count 220
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 45 place count 86 transition count 216
Iterating global reduction 3 with 2 rules applied. Total rules applied 47 place count 86 transition count 216
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 49 place count 84 transition count 212
Iterating global reduction 3 with 2 rules applied. Total rules applied 51 place count 84 transition count 212
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 52 place count 83 transition count 210
Iterating global reduction 3 with 1 rules applied. Total rules applied 53 place count 83 transition count 210
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 54 place count 82 transition count 208
Iterating global reduction 3 with 1 rules applied. Total rules applied 55 place count 82 transition count 208
Applied a total of 55 rules in 20 ms. Remains 82 /107 variables (removed 25) and now considering 208/268 (removed 60) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 20 ms. Remains : 82/107 places, 208/268 transitions.
[2025-06-01 09:35:27] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
Found an invariant !
This invariant on transitions {29=1, 32=1, 34=1, 63=1, 94=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {26=1, 60=1, 91=1, 123=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 56 ms. (steps per millisecond=178 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[5] Max Struct:[+inf]
[2025-06-01 09:35:27] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
// Phase 1: matrix 128 rows 82 cols
[2025-06-01 09:35:27] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[5] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1447 ms. (690 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 816 ms. (1223 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[224] Max Struct:[+inf]
[2025-06-01 09:35:29] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 09:35:29] [INFO ] Invariant cache hit.
[2025-06-01 09:35:29] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 09:35:29] [INFO ] [Real]Absence check using state equation in 43 ms returned sat
[2025-06-01 09:35:29] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 09:35:29] [INFO ] [Real]Added 18 Read/Feed constraints in 5 ms returned sat
[2025-06-01 09:35:29] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:35:29] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 09:35:29] [INFO ] [Nat]Absence check using state equation in 42 ms returned sat
[2025-06-01 09:35:29] [INFO ] [Nat]Added 18 Read/Feed constraints in 5 ms returned sat
[2025-06-01 09:35:29] [INFO ] Deduced a trap composed of 19 places in 78 ms of which 2 ms to minimize.
[2025-06-01 09:35:29] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 93 ms
[2025-06-01 09:35:30] [INFO ] Computed and/alt/rep : 60/196/54 causal constraints (skipped 72 transitions) in 10 ms.
[2025-06-01 09:35:30] [INFO ] Added : 21 causal constraints over 6 iterations in 76 ms. Result :sat
Minimization took 33 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[224] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[224] Max Struct:[+inf]
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 2 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 82/82 places, 208/208 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 2 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
[2025-06-01 09:35:30] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 09:35:30] [INFO ] Invariant cache hit.
[2025-06-01 09:35:30] [INFO ] Implicit Places using invariants in 107 ms returned []
[2025-06-01 09:35:30] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 09:35:30] [INFO ] Invariant cache hit.
[2025-06-01 09:35:30] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 09:35:30] [INFO ] Implicit Places using invariants and state equation in 291 ms returned []
Implicit Place search using SMT with State Equation took 400 ms to find 0 implicit places.
[2025-06-01 09:35:30] [INFO ] Redundant transitions in 1 ms returned []
Running 206 sub problems to find dead transitions.
[2025-06-01 09:35:30] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 09:35:30] [INFO ] Invariant cache hit.
[2025-06-01 09:35:30] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (OVERLAPS) 128/210 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/210 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 210/210 variables, and 103 constraints, problems are : Problem set: 0 solved, 206 unsolved in 6596 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (OVERLAPS) 128/210 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/210 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/210 variables, 206/309 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/210 variables, 0/309 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (OVERLAPS) 0/210 variables, 0/309 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Int declared 210/210 variables, and 309 constraints, problems are : Problem set: 0 solved, 206 unsolved in 9574 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 16414ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 16419ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 16829 ms. Remains : 82/82 places, 208/208 transitions.
[2025-06-01 09:35:46] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
Found an invariant !
This invariant on transitions {29=1, 32=1, 34=1, 63=1, 94=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {26=1, 60=1, 91=1, 123=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 33 ms. (steps per millisecond=303 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[224] Max Struct:[+inf]
[2025-06-01 09:35:47] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 09:35:47] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[224] Max Struct:[+inf]
RANDOM walk for 1000001 steps (2 resets) in 1409 ms. (709 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 813 ms. (1228 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[245] Max Struct:[+inf]
[2025-06-01 09:35:49] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 09:35:49] [INFO ] Invariant cache hit.
[2025-06-01 09:35:49] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 09:35:49] [INFO ] [Real]Absence check using state equation in 43 ms returned sat
[2025-06-01 09:35:49] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 09:35:49] [INFO ] [Real]Added 18 Read/Feed constraints in 6 ms returned sat
[2025-06-01 09:35:49] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:35:49] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 09:35:49] [INFO ] [Nat]Absence check using state equation in 43 ms returned sat
[2025-06-01 09:35:49] [INFO ] [Nat]Added 18 Read/Feed constraints in 5 ms returned sat
[2025-06-01 09:35:49] [INFO ] Deduced a trap composed of 19 places in 59 ms of which 1 ms to minimize.
[2025-06-01 09:35:49] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 70 ms
[2025-06-01 09:35:49] [INFO ] Computed and/alt/rep : 60/196/54 causal constraints (skipped 72 transitions) in 10 ms.
[2025-06-01 09:35:49] [INFO ] Added : 21 causal constraints over 6 iterations in 81 ms. Result :sat
Minimization took 35 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[245] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[245] Max Struct:[+inf]
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 2 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 82/82 places, 208/208 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 2 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
[2025-06-01 09:35:49] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 09:35:49] [INFO ] Invariant cache hit.
[2025-06-01 09:35:49] [INFO ] Implicit Places using invariants in 118 ms returned []
[2025-06-01 09:35:49] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 09:35:49] [INFO ] Invariant cache hit.
[2025-06-01 09:35:49] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 09:35:50] [INFO ] Implicit Places using invariants and state equation in 235 ms returned []
Implicit Place search using SMT with State Equation took 355 ms to find 0 implicit places.
[2025-06-01 09:35:50] [INFO ] Redundant transitions in 1 ms returned []
Running 206 sub problems to find dead transitions.
[2025-06-01 09:35:50] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 09:35:50] [INFO ] Invariant cache hit.
[2025-06-01 09:35:50] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (OVERLAPS) 128/210 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/210 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 210/210 variables, and 103 constraints, problems are : Problem set: 0 solved, 206 unsolved in 5466 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (OVERLAPS) 128/210 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/210 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/210 variables, 206/309 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/210 variables, 0/309 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (OVERLAPS) 0/210 variables, 0/309 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Int declared 210/210 variables, and 309 constraints, problems are : Problem set: 0 solved, 206 unsolved in 7219 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 12924ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 12928ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13293 ms. Remains : 82/82 places, 208/208 transitions.
[2025-06-01 09:36:02] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
Found an invariant !
This invariant on transitions {29=1, 32=1, 34=1, 63=1, 94=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {26=1, 60=1, 91=1, 123=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 34 ms. (steps per millisecond=294 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[245] Max Struct:[+inf]
[2025-06-01 09:36:03] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 09:36:03] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[245] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1168 ms. (855 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 848 ms. (1177 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[245] Max Struct:[+inf]
[2025-06-01 09:36:05] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 09:36:05] [INFO ] Invariant cache hit.
[2025-06-01 09:36:05] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 09:36:05] [INFO ] [Real]Absence check using state equation in 43 ms returned sat
[2025-06-01 09:36:05] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 09:36:05] [INFO ] [Real]Added 18 Read/Feed constraints in 7 ms returned sat
[2025-06-01 09:36:05] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:36:05] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 09:36:05] [INFO ] [Nat]Absence check using state equation in 48 ms returned sat
[2025-06-01 09:36:05] [INFO ] [Nat]Added 18 Read/Feed constraints in 5 ms returned sat
[2025-06-01 09:36:05] [INFO ] Deduced a trap composed of 19 places in 56 ms of which 2 ms to minimize.
[2025-06-01 09:36:05] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 68 ms
[2025-06-01 09:36:05] [INFO ] Computed and/alt/rep : 60/196/54 causal constraints (skipped 72 transitions) in 11 ms.
[2025-06-01 09:36:05] [INFO ] Added : 21 causal constraints over 6 iterations in 82 ms. Result :sat
Minimization took 35 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[245] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[245] Max Struct:[+inf]
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 3 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 82/82 places, 208/208 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 3 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
[2025-06-01 09:36:05] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 09:36:05] [INFO ] Invariant cache hit.
[2025-06-01 09:36:05] [INFO ] Implicit Places using invariants in 105 ms returned []
[2025-06-01 09:36:05] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 09:36:05] [INFO ] Invariant cache hit.
[2025-06-01 09:36:05] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 09:36:05] [INFO ] Implicit Places using invariants and state equation in 192 ms returned []
Implicit Place search using SMT with State Equation took 299 ms to find 0 implicit places.
[2025-06-01 09:36:05] [INFO ] Redundant transitions in 1 ms returned []
Running 206 sub problems to find dead transitions.
[2025-06-01 09:36:05] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 09:36:05] [INFO ] Invariant cache hit.
[2025-06-01 09:36:05] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (OVERLAPS) 128/210 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/210 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 210/210 variables, and 103 constraints, problems are : Problem set: 0 solved, 206 unsolved in 6719 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (OVERLAPS) 128/210 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/210 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/210 variables, 206/309 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/210 variables, 0/309 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (OVERLAPS) 0/210 variables, 0/309 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Int declared 210/210 variables, and 309 constraints, problems are : Problem set: 0 solved, 206 unsolved in 9674 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 16532ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 16534ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 16842 ms. Remains : 82/82 places, 208/208 transitions.
[2025-06-01 09:36:22] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
Found an invariant !
This invariant on transitions {29=1, 32=1, 34=1, 63=1, 94=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {26=1, 60=1, 91=1, 123=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 33 ms. (steps per millisecond=303 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[245] Max Struct:[+inf]
[2025-06-01 09:36:22] [INFO ] Flatten gal took : 25 ms
[2025-06-01 09:36:22] [INFO ] Flatten gal took : 8 ms
[2025-06-01 09:36:22] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3184833747823369132.gal : 2 ms
[2025-06-01 09:36:22] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16861029005236515170.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality3184833747823369132.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16861029005236515170.prop' '--nowitness' '--gen-order' 'FOLLOW'
RANDOM walk for 40002 steps (8 resets) in 113 ms. (350 steps per ms) remains 1/1 properties
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
BEST_FIRST walk for 40003 steps (8 resets) in 41 ms. (952 steps per ms) remains 1/1 properties
Loading property file /tmp/ReachabilityCardinality16861029005236515170.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 31
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :31 after 1045
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1045 after 158850
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :158850 after 1.90899e+08
Interrupted probabilistic random walk after 1664700 steps, run timeout after 3001 ms. (steps per millisecond=554 ) properties seen :0 out of 1
Probabilistic random walk after 1664700 steps, saw 1043236 distinct states, run finished after 3001 ms. (steps per millisecond=554 ) properties seen :0
[2025-06-01 09:36:25] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 09:36:25] [INFO ] Invariant cache hit.
[2025-06-01 09:36:25] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 70/75 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 10/85 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/85 variables, 4/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/85 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 100/185 variables, 58/69 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/185 variables, 18/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/185 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 6/191 variables, 1/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/191 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 14/205 variables, 12/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/205 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 4/209 variables, 2/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/209 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/210 variables, 1/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 210/210 variables, and 103 constraints, problems are : Problem set: 0 solved, 1 unsolved in 137 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 70/75 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/75 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 10/85 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/85 variables, 4/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/85 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 100/185 variables, 58/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/185 variables, 18/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/185 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 6/191 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/191 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 14/205 variables, 12/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/205 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 4/209 variables, 2/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/209 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/210 variables, 1/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/210 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/210 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 210/210 variables, and 104 constraints, problems are : Problem set: 0 solved, 1 unsolved in 110 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 252ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 538 ms.
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 3 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 82/82 places, 208/208 transitions.
RANDOM walk for 40005 steps (8 resets) in 73 ms. (540 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 28 ms. (1379 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :1.90899e+08 after 3.33897e+12
Interrupted probabilistic random walk after 1647733 steps, run timeout after 3001 ms. (steps per millisecond=549 ) properties seen :0 out of 1
Probabilistic random walk after 1647733 steps, saw 1031590 distinct states, run finished after 3001 ms. (steps per millisecond=549 ) properties seen :0
[2025-06-01 09:36:29] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 09:36:29] [INFO ] Invariant cache hit.
[2025-06-01 09:36:29] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 70/75 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 10/85 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/85 variables, 4/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/85 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 100/185 variables, 58/69 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/185 variables, 18/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/185 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 6/191 variables, 1/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/191 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 14/205 variables, 12/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/205 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 4/209 variables, 2/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/209 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/210 variables, 1/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 210/210 variables, and 103 constraints, problems are : Problem set: 0 solved, 1 unsolved in 129 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 70/75 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/75 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 10/85 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/85 variables, 4/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/85 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 100/185 variables, 58/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/185 variables, 18/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/185 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 6/191 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/191 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 14/205 variables, 12/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/205 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 4/209 variables, 2/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/209 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/210 variables, 1/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/210 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/210 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 210/210 variables, and 104 constraints, problems are : Problem set: 0 solved, 1 unsolved in 123 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 259ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 548 ms.
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 4 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 82/82 places, 208/208 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 2 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
[2025-06-01 09:36:30] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 09:36:30] [INFO ] Invariant cache hit.
[2025-06-01 09:36:30] [INFO ] Implicit Places using invariants in 88 ms returned []
[2025-06-01 09:36:30] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 09:36:30] [INFO ] Invariant cache hit.
[2025-06-01 09:36:30] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 09:36:30] [INFO ] Implicit Places using invariants and state equation in 162 ms returned []
Implicit Place search using SMT with State Equation took 253 ms to find 0 implicit places.
[2025-06-01 09:36:30] [INFO ] Redundant transitions in 1 ms returned []
Running 206 sub problems to find dead transitions.
[2025-06-01 09:36:30] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 09:36:30] [INFO ] Invariant cache hit.
[2025-06-01 09:36:30] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (OVERLAPS) 128/210 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/210 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 210/210 variables, and 103 constraints, problems are : Problem set: 0 solved, 206 unsolved in 5126 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (OVERLAPS) 128/210 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/210 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/210 variables, 206/309 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/210 variables, 0/309 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (OVERLAPS) 0/210 variables, 0/309 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Int declared 210/210 variables, and 309 constraints, problems are : Problem set: 0 solved, 206 unsolved in 6910 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 12186ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 12188ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12449 ms. Remains : 82/82 places, 208/208 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 80 transitions
Reduce isomorphic transitions removed 80 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 7 transitions
Trivial Post-agglo rules discarded 7 transitions
Performed 7 trivial Post agglomeration. Transition count delta: 7
Iterating post reduction 0 with 87 rules applied. Total rules applied 87 place count 82 transition count 121
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 94 place count 75 transition count 121
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 16 Pre rules applied. Total rules applied 94 place count 75 transition count 105
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 126 place count 59 transition count 105
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: 15
Deduced a syphon composed of 15 places in 0 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 2 with 30 rules applied. Total rules applied 156 place count 44 transition count 90
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 163 place count 37 transition count 76
Iterating global reduction 2 with 7 rules applied. Total rules applied 170 place count 37 transition count 76
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 177 place count 30 transition count 62
Iterating global reduction 2 with 7 rules applied. Total rules applied 184 place count 30 transition count 62
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 191 place count 23 transition count 48
Iterating global reduction 2 with 7 rules applied. Total rules applied 198 place count 23 transition count 48
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 205 place count 23 transition count 41
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 205 place count 23 transition count 40
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 207 place count 22 transition count 40
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 211 place count 20 transition count 40
Applied a total of 211 rules in 9 ms. Remains 20 /82 variables (removed 62) and now considering 40/208 (removed 168) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 40 rows 20 cols
[2025-06-01 09:36:42] [INFO ] Computed 3 invariants in 1 ms
[2025-06-01 09:36:42] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 09:36:42] [INFO ] After 17ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2025-06-01 09:36:42] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-01 09:36:42] [INFO ] After 6ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-01 09:36:42] [INFO ] After 48ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-01 09:36:42] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 09:36:42] [INFO ] After 13ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-01 09:36:42] [INFO ] After 3ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-01 09:36:42] [INFO ] After 6ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-01 09:36:42] [INFO ] After 67ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-01 09:36:42] [INFO ] Flatten gal took : 2 ms
[2025-06-01 09:36:42] [INFO ] Flatten gal took : 2 ms
[2025-06-01 09:36:42] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3987254853957466112.gal : 1 ms
[2025-06-01 09:36:42] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15386876424012853056.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality3987254853957466112.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15386876424012853056.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality15386876424012853056.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :36 after 315
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :315 after 74116
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :74116 after 2.14714e+08
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :2.14714e+08 after 1.77591e+09
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :1.77591e+09 after 9.4111e+09
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :3.33897e+12 after 1.28209e+18
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :9.4111e+09 after 4.27012e+10
Detected timeout of ITS tools.
[2025-06-01 09:36:57] [INFO ] Flatten gal took : 2 ms
[2025-06-01 09:36:57] [INFO ] Applying decomposition
[2025-06-01 09:36:57] [INFO ] Flatten gal took : 1 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph13047581472965436381.txt' '-o' '/tmp/graph13047581472965436381.bin' '-w' '/tmp/graph13047581472965436381.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph13047581472965436381.bin' '-l' '-1' '-v' '-w' '/tmp/graph13047581472965436381.weights' '-q' '0' '-e' '0.001'
[2025-06-01 09:36:57] [INFO ] Decomposing Gal with order
[2025-06-01 09:36:57] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 09:36:57] [INFO ] Removed a total of 47 redundant transitions.
[2025-06-01 09:36:57] [INFO ] Flatten gal took : 4 ms
[2025-06-01 09:36:57] [INFO ] Fuse similar labels procedure discarded/fused a total of 4 labels/synchronizations in 0 ms.
[2025-06-01 09:36:57] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17329676238916788881.gal : 1 ms
[2025-06-01 09:36:57] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15465963588648781553.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality17329676238916788881.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15465963588648781553.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...309
Loading property file /tmp/ReachabilityCardinality15465963588648781553.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :36 after 315
Detected timeout of ITS tools.
[2025-06-01 09:37:12] [INFO ] Flatten gal took : 6 ms
[2025-06-01 09:37:12] [INFO ] Applying decomposition
[2025-06-01 09:37:12] [INFO ] Flatten gal took : 6 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph12270421361646606732.txt' '-o' '/tmp/graph12270421361646606732.bin' '-w' '/tmp/graph12270421361646606732.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph12270421361646606732.bin' '-l' '-1' '-v' '-w' '/tmp/graph12270421361646606732.weights' '-q' '0' '-e' '0.001'
[2025-06-01 09:37:12] [INFO ] Decomposing Gal with order
[2025-06-01 09:37:12] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 09:37:12] [INFO ] Removed a total of 355 redundant transitions.
[2025-06-01 09:37:12] [INFO ] Flatten gal took : 14 ms
[2025-06-01 09:37:12] [INFO ] Fuse similar labels procedure discarded/fused a total of 114 labels/synchronizations in 4 ms.
[2025-06-01 09:37:12] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4682117462390131454.gal : 2 ms
[2025-06-01 09:37:12] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12450831138957348791.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality4682117462390131454.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12450831138957348791.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality12450831138957348791.prop.
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30219 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[245] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b064-UpperBounds-13 in 106157 ms.
Starting property specific reduction for FunctionPointer-PT-b064-UpperBounds-15
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 09:37:12] [INFO ] Flow matrix only has 171 transitions (discarded 97 similar events)
// Phase 1: matrix 171 rows 107 cols
[2025-06-01 09:37:12] [INFO ] Computed 3 invariants in 0 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10003 steps (2 resets) in 12 ms. (769 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[7] Max Struct:[+inf]
[2025-06-01 09:37:12] [INFO ] Flow matrix only has 171 transitions (discarded 97 similar events)
[2025-06-01 09:37:12] [INFO ] Invariant cache hit.
[2025-06-01 09:37:12] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 09:37:12] [INFO ] [Real]Absence check using state equation in 54 ms returned sat
[2025-06-01 09:37:12] [INFO ] State equation strengthened by 30 read => feed constraints.
[2025-06-01 09:37:12] [INFO ] [Real]Added 30 Read/Feed constraints in 8 ms returned sat
[2025-06-01 09:37:12] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:37:13] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 09:37:13] [INFO ] [Nat]Absence check using state equation in 54 ms returned sat
[2025-06-01 09:37:13] [INFO ] [Nat]Added 30 Read/Feed constraints in 8 ms returned sat
[2025-06-01 09:37:13] [INFO ] Computed and/alt/rep : 68/367/64 causal constraints (skipped 105 transitions) in 14 ms.
[2025-06-01 09:37:13] [INFO ] Added : 15 causal constraints over 5 iterations in 87 ms. Result :sat
Minimization took 38 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[7] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[7] Max Struct:[+inf]
Support contains 1 out of 107 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 107/107 places, 268/268 transitions.
Graph (complete) has 448 edges and 107 vertex of which 101 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.0 ms
Discarding 6 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 0 with 10 rules applied. Total rules applied 11 place count 101 transition count 258
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 15 place count 97 transition count 244
Iterating global reduction 1 with 4 rules applied. Total rules applied 19 place count 97 transition count 244
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 23 place count 93 transition count 234
Iterating global reduction 1 with 4 rules applied. Total rules applied 27 place count 93 transition count 234
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 30 place count 90 transition count 226
Iterating global reduction 1 with 3 rules applied. Total rules applied 33 place count 90 transition count 226
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 36 place count 87 transition count 220
Iterating global reduction 1 with 3 rules applied. Total rules applied 39 place count 87 transition count 220
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 42 place count 84 transition count 214
Iterating global reduction 1 with 3 rules applied. Total rules applied 45 place count 84 transition count 214
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 48 place count 81 transition count 208
Iterating global reduction 1 with 3 rules applied. Total rules applied 51 place count 81 transition count 208
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 53 place count 79 transition count 204
Iterating global reduction 1 with 2 rules applied. Total rules applied 55 place count 79 transition count 204
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 57 place count 77 transition count 200
Iterating global reduction 1 with 2 rules applied. Total rules applied 59 place count 77 transition count 200
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 60 place count 76 transition count 198
Iterating global reduction 1 with 1 rules applied. Total rules applied 61 place count 76 transition count 198
Applied a total of 61 rules in 15 ms. Remains 76 /107 variables (removed 31) and now considering 198/268 (removed 70) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15 ms. Remains : 76/107 places, 198/268 transitions.
[2025-06-01 09:37:13] [INFO ] Flow matrix only has 118 transitions (discarded 80 similar events)
Found an invariant !
This invariant on transitions {26=1, 57=1, 86=1, 115=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {27=1, 58=1, 103=1, 117=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 39 ms. (steps per millisecond=256 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[7] Max Struct:[+inf]
[2025-06-01 09:37:13] [INFO ] Flow matrix only has 118 transitions (discarded 80 similar events)
// Phase 1: matrix 118 rows 76 cols
[2025-06-01 09:37:13] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[7] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1302 ms. (767 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 617 ms. (1618 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[596] Max Struct:[+inf]
[2025-06-01 09:37:15] [INFO ] Flow matrix only has 118 transitions (discarded 80 similar events)
[2025-06-01 09:37:15] [INFO ] Invariant cache hit.
[2025-06-01 09:37:15] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 09:37:15] [INFO ] [Real]Absence check using state equation in 39 ms returned sat
[2025-06-01 09:37:15] [INFO ] State equation strengthened by 15 read => feed constraints.
[2025-06-01 09:37:15] [INFO ] [Real]Added 15 Read/Feed constraints in 5 ms returned sat
[2025-06-01 09:37:15] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 09:37:15] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 09:37:15] [INFO ] [Nat]Absence check using state equation in 39 ms returned sat
[2025-06-01 09:37:15] [INFO ] [Nat]Added 15 Read/Feed constraints in 5 ms returned sat
[2025-06-01 09:37:15] [INFO ] Deduced a trap composed of 25 places in 51 ms of which 1 ms to minimize.
[2025-06-01 09:37:15] [INFO ] Deduced a trap composed of 18 places in 55 ms of which 1 ms to minimize.
[2025-06-01 09:37:15] [INFO ] Deduced a trap composed of 16 places in 53 ms of which 1 ms to minimize.
[2025-06-01 09:37:15] [INFO ] Deduced a trap composed of 13 places in 49 ms of which 1 ms to minimize.
[2025-06-01 09:37:15] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 232 ms
[2025-06-01 09:37:15] [INFO ] Computed and/alt/rep : 60/163/51 causal constraints (skipped 65 transitions) in 10 ms.
[2025-06-01 09:37:15] [INFO ] Added : 27 causal constraints over 6 iterations in 105 ms. Result :sat
Minimization took 52 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[596] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[596] Max Struct:[+inf]
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 198/198 transitions.
Applied a total of 0 rules in 3 ms. Remains 76 /76 variables (removed 0) and now considering 198/198 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 76/76 places, 198/198 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 198/198 transitions.
Applied a total of 0 rules in 3 ms. Remains 76 /76 variables (removed 0) and now considering 198/198 (removed 0) transitions.
[2025-06-01 09:37:17] [INFO ] Flow matrix only has 118 transitions (discarded 80 similar events)
[2025-06-01 09:37:17] [INFO ] Invariant cache hit.
[2025-06-01 09:37:17] [INFO ] Implicit Places using invariants in 84 ms returned []
[2025-06-01 09:37:17] [INFO ] Flow matrix only has 118 transitions (discarded 80 similar events)
[2025-06-01 09:37:17] [INFO ] Invariant cache hit.
[2025-06-01 09:37:18] [INFO ] State equation strengthened by 15 read => feed constraints.
[2025-06-01 09:37:18] [INFO ] Implicit Places using invariants and state equation in 158 ms returned []
Implicit Place search using SMT with State Equation took 253 ms to find 0 implicit places.
[2025-06-01 09:37:18] [INFO ] Redundant transitions in 1 ms returned []
Running 196 sub problems to find dead transitions.
[2025-06-01 09:37:18] [INFO ] Flow matrix only has 118 transitions (discarded 80 similar events)
[2025-06-01 09:37:18] [INFO ] Invariant cache hit.
[2025-06-01 09:37:18] [INFO ] State equation strengthened by 15 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 2 (OVERLAPS) 118/194 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 196 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/194 variables, 15/94 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 5 (OVERLAPS) 0/194 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 196 unsolved
No progress, stopping.
After SMT solving in domain Real declared 194/194 variables, and 94 constraints, problems are : Problem set: 0 solved, 196 unsolved in 6429 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 196/196 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 196 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 2 (OVERLAPS) 118/194 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/194 variables, 15/94 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 196/290 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 6 (OVERLAPS) 0/194 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 196 unsolved
No progress, stopping.
After SMT solving in domain Int declared 194/194 variables, and 290 constraints, problems are : Problem set: 0 solved, 196 unsolved in 8056 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 196/196 constraints, Known Traps: 0/0 constraints]
After SMT, in 14644ms problems are : Problem set: 0 solved, 196 unsolved
Search for dead transitions found 0 dead transitions in 14646ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14908 ms. Remains : 76/76 places, 198/198 transitions.
[2025-06-01 09:37:32] [INFO ] Flow matrix only has 118 transitions (discarded 80 similar events)
Found an invariant !
This invariant on transitions {26=1, 57=1, 86=1, 115=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {27=1, 58=1, 103=1, 117=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 1) seen :[2147483647]
Current structural bounds on expressions (after cover walk) : Max Seen:[+inf] Max Struct:[+inf]
[2025-06-01 09:37:32] [INFO ] Flow matrix only has 118 transitions (discarded 80 similar events)
[2025-06-01 09:37:32] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[+inf] Max Struct:[+inf]
RANDOM walk for 1000002 steps (2 resets) in 1313 ms. (761 steps per ms)
FORMULA FunctionPointer-PT-b064-UpperBounds-15 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 0 steps (0 resets) in 0 ms. (0 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
RANDOM walk for 0 steps (0 resets) in 5 ms. (0 steps per ms) remains 0/0 properties
Finished probabilistic random walk after 0 steps, run visited all 0 properties in 0 ms. (steps per millisecond=0 )
[2025-06-01 09:37:34] [INFO ] Flatten gal took : 6 ms
[2025-06-01 09:37:34] [INFO ] Flatten gal took : 5 ms
[2025-06-01 09:37:34] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11021443377349251042.gal : 2 ms
[2025-06-01 09:37:34] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6434506811533291517.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality11021443377349251042.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6434506811533291517.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[] Max Struct:[]
Ending property specific reduction for FunctionPointer-PT-b064-UpperBounds-15 in 21379 ms.
[2025-06-01 09:37:34] [INFO ] Flatten gal took : 7 ms
[2025-06-01 09:37:34] [INFO ] Applying decomposition
[2025-06-01 09:37:34] [INFO ] Flatten gal took : 6 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph3982564182776288931.txt' '-o' '/tmp/graph3982564182776288931.bin' '-w' '/tmp/graph3982564182776288931.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph3982564182776288931.bin' '-l' '-1' '-v' '-w' '/tmp/graph3982564182776288931.weights' '-q' '0' '-e' '0.001'
[2025-06-01 09:37:34] [INFO ] Decomposing Gal with order
[2025-06-01 09:37:34] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 09:37:34] [INFO ] Removed a total of 452 redundant transitions.
[2025-06-01 09:37:34] [INFO ] Flatten gal took : 16 ms
[2025-06-01 09:37:34] [INFO ] Fuse similar labels procedure discarded/fused a total of 116 labels/synchronizations in 4 ms.
[2025-06-01 09:37:34] [INFO ] Time to serialize gal into /tmp/UpperBounds17464624850043613987.gal : 3 ms
[2025-06-01 09:37:34] [INFO ] Time to serialize properties into /tmp/UpperBounds11403668753975772027.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/UpperBounds17464624850043613987.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds11403668753975772027.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...285
Loading property file /tmp/UpperBounds11403668753975772027.prop.
Detected timeout of ITS tools.
[2025-06-01 10:03:31] [INFO ] Flatten gal took : 8 ms
[2025-06-01 10:03:31] [INFO ] Time to serialize gal into /tmp/UpperBounds8285342401273016221.gal : 3 ms
[2025-06-01 10:03:31] [INFO ] Time to serialize properties into /tmp/UpperBounds10049957978110025723.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/UpperBounds8285342401273016221.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds10049957978110025723.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...305
Loading property file /tmp/UpperBounds10049957978110025723.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
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
Sequence of Actions to be Executed by the VM
This is useful if one wants to reexecute the tool in the VM from the submitted image disk.
set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="FunctionPointer-PT-b064"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="gold2024"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"
# this is specific to your benchmark or test
export BIN_DIR="$HOME/BenchKit/bin"
# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi
# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool gold2024"
echo " Input is FunctionPointer-PT-b064, 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 r111-smll-174867015800013"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/FunctionPointer-PT-b064.tgz
mv FunctionPointer-PT-b064 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 ;