Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r072-tall-174860067700549.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is DoubleLock-PT-p2s1, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r072-tall-174860067700549
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 472K
-rw-r--r-- 1 mcc users 4.2K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 38K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.4K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K 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 9.3K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 100K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.1K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 68K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K 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 97K 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 DoubleLock-PT-p2s1-UpperBounds-00
FORMULA_NAME DoubleLock-PT-p2s1-UpperBounds-01
FORMULA_NAME DoubleLock-PT-p2s1-UpperBounds-02
FORMULA_NAME DoubleLock-PT-p2s1-UpperBounds-03
FORMULA_NAME DoubleLock-PT-p2s1-UpperBounds-04
FORMULA_NAME DoubleLock-PT-p2s1-UpperBounds-05
FORMULA_NAME DoubleLock-PT-p2s1-UpperBounds-06
FORMULA_NAME DoubleLock-PT-p2s1-UpperBounds-07
FORMULA_NAME DoubleLock-PT-p2s1-UpperBounds-08
FORMULA_NAME DoubleLock-PT-p2s1-UpperBounds-09
FORMULA_NAME DoubleLock-PT-p2s1-UpperBounds-10
FORMULA_NAME DoubleLock-PT-p2s1-UpperBounds-11
FORMULA_NAME DoubleLock-PT-p2s1-UpperBounds-12
FORMULA_NAME DoubleLock-PT-p2s1-UpperBounds-13
FORMULA_NAME DoubleLock-PT-p2s1-UpperBounds-14
FORMULA_NAME DoubleLock-PT-p2s1-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1748771963009

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DoubleLock-PT-p2s1
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2025-06-01 09:59:24] [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 09:59:24] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-01 09:59:24] [INFO ] Load time of PNML (sax parser for PT used): 72 ms
[2025-06-01 09:59:24] [INFO ] Transformed 64 places.
[2025-06-01 09:59:24] [INFO ] Transformed 212 transitions.
[2025-06-01 09:59:24] [INFO ] Parsed PT model containing 64 places and 212 transitions and 860 arcs in 158 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 6 ms.
Deduced a syphon composed of 8 places in 2 ms
Reduce places removed 8 places and 8 transitions.
FORMULA DoubleLock-PT-p2s1-UpperBounds-01 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 09:59:24] [INFO ] Flow matrix only has 152 transitions (discarded 52 similar events)
// Phase 1: matrix 152 rows 56 cols
[2025-06-01 09:59:24] [INFO ] Computed 4 invariants in 11 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[10, 1, 1, +inf, 1, +inf, 1, 1, 1, 1, +inf, +inf, +inf, 10, +inf]
RANDOM walk for 10000 steps (53 resets) in 50 ms. (196 steps per ms)
FORMULA DoubleLock-PT-p2s1-UpperBounds-14 10 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p2s1-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p2s1-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p2s1-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p2s1-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p2s1-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p2s1-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p2s1-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p2s1-UpperBounds-00 10 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 60005 steps (60 resets) in 71 ms. (833 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[5, 11, 5, 9, 4, 4] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 09:59:24] [INFO ] Flow matrix only has 152 transitions (discarded 52 similar events)
[2025-06-01 09:59:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 09:59:24] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 09:59:24] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 09:59:24] [INFO ] [Real]Absence check using state equation in 60 ms returned sat
[2025-06-01 09:59:24] [INFO ] State equation strengthened by 27 read => feed constraints.
[2025-06-01 09:59:24] [INFO ] [Real]Added 27 Read/Feed constraints in 12 ms returned sat
[2025-06-01 09:59:24] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 09:59:24] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 09:59:24] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 09:59:24] [INFO ] [Nat]Absence check using state equation in 40 ms returned sat
[2025-06-01 09:59:24] [INFO ] [Nat]Added 27 Read/Feed constraints in 8 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 09:59:25] [INFO ] Deduced a trap composed of 12 places in 81 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 09:59:25] [INFO ] Deduced a trap composed of 12 places in 137 ms of which 7 ms to minimize.
[2025-06-01 09:59:25] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 244 ms
[2025-06-01 09:59:25] [INFO ] Computed and/alt/rep : 67/466/67 causal constraints (skipped 83 transitions) in 16 ms.
[2025-06-01 09:59:25] [INFO ] Added : 14 causal constraints over 4 iterations in 74 ms. Result :sat
Minimization took 30 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 09:59:25] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 09:59:25] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-01 09:59:25] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2025-06-01 09:59:25] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 09:59:25] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 09:59:25] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-01 09:59:25] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2025-06-01 09:59:25] [INFO ] [Nat]Added 27 Read/Feed constraints in 5 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 09:59:25] [INFO ] Deduced a trap composed of 12 places in 56 ms of which 4 ms to minimize.
[2025-06-01 09:59:25] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 70 ms
[2025-06-01 09:59:25] [INFO ] Computed and/alt/rep : 67/466/67 causal constraints (skipped 83 transitions) in 17 ms.
[2025-06-01 09:59:25] [INFO ] Added : 16 causal constraints over 4 iterations in 67 ms. Result :sat
Minimization took 33 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 09:59:25] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 09:59:25] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 09:59:25] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2025-06-01 09:59:25] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 09:59:25] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 09:59:25] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-01 09:59:25] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2025-06-01 09:59:25] [INFO ] [Nat]Added 27 Read/Feed constraints in 5 ms returned sat
[2025-06-01 09:59:25] [INFO ] Computed and/alt/rep : 67/466/67 causal constraints (skipped 83 transitions) in 16 ms.
[2025-06-01 09:59:25] [INFO ] Added : 29 causal constraints over 6 iterations in 100 ms. Result :sat
Minimization took 40 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 09:59:25] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 09:59:25] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-01 09:59:25] [INFO ] [Real]Absence check using state equation in 38 ms returned sat
[2025-06-01 09:59:25] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 09:59:25] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 09:59:25] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 09:59:26] [INFO ] [Nat]Absence check using state equation in 145 ms returned sat
[2025-06-01 09:59:26] [INFO ] [Nat]Added 27 Read/Feed constraints in 8 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 09:59:26] [INFO ] Deduced a trap composed of 12 places in 306 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 09:59:26] [INFO ] Deduced a trap composed of 12 places in 56 ms of which 3 ms to minimize.
[2025-06-01 09:59:26] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 382 ms
[2025-06-01 09:59:26] [INFO ] Computed and/alt/rep : 67/466/67 causal constraints (skipped 83 transitions) in 14 ms.
[2025-06-01 09:59:26] [INFO ] Added : 19 causal constraints over 5 iterations in 81 ms. Result :sat
Minimization took 35 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 09:59:26] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 09:59:26] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 3 ms returned sat
[2025-06-01 09:59:26] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2025-06-01 09:59:26] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 09:59:26] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 09:59:26] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-01 09:59:26] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2025-06-01 09:59:26] [INFO ] [Nat]Added 27 Read/Feed constraints in 6 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 09:59:26] [INFO ] Deduced a trap composed of 12 places in 56 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 09:59:26] [INFO ] Deduced a trap composed of 12 places in 56 ms of which 3 ms to minimize.
[2025-06-01 09:59:26] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 134 ms
[2025-06-01 09:59:26] [INFO ] Computed and/alt/rep : 67/466/67 causal constraints (skipped 83 transitions) in 12 ms.
[2025-06-01 09:59:26] [INFO ] Added : 16 causal constraints over 4 iterations in 64 ms. Result :sat
Minimization took 32 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 09:59:27] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 09:59:27] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 09:59:27] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2025-06-01 09:59:27] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 09:59:27] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 09:59:27] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 09:59:27] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2025-06-01 09:59:27] [INFO ] [Nat]Added 27 Read/Feed constraints in 8 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 09:59:27] [INFO ] Deduced a trap composed of 12 places in 58 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 09:59:27] [INFO ] Deduced a trap composed of 12 places in 55 ms of which 4 ms to minimize.
[2025-06-01 09:59:27] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 130 ms
[2025-06-01 09:59:27] [INFO ] Computed and/alt/rep : 67/466/67 causal constraints (skipped 83 transitions) in 17 ms.
[2025-06-01 09:59:27] [INFO ] Added : 23 causal constraints over 5 iterations in 130 ms. Result :sat
Minimization took 40 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[5, 11, 5, 9, 4, 4] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10, 11, 13, 9, 10, 10] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
Support contains 6 out of 56 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 56/56 places, 204/204 transitions.
Graph (complete) has 357 edges and 56 vertex of which 52 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.1 ms
Discarding 4 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 3 place count 52 transition count 202
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 4 place count 51 transition count 198
Iterating global reduction 1 with 1 rules applied. Total rules applied 5 place count 51 transition count 198
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 6 place count 50 transition count 194
Iterating global reduction 1 with 1 rules applied. Total rules applied 7 place count 50 transition count 194
Applied a total of 7 rules in 27 ms. Remains 50 /56 variables (removed 6) and now considering 194/204 (removed 10) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33 ms. Remains : 50/56 places, 194/204 transitions.
[2025-06-01 09:59:27] [INFO ] Flow matrix only has 145 transitions (discarded 49 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {12=1, 25=1, 87=1, 88=1, 133=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {12=1, 25=1, 93=1, 94=1, 141=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 38 resets, run finished after 53 ms. (steps per millisecond=188 ) properties (out of 6) seen :[6, 4, 4, 2147483647, 3, 3]
Current structural bounds on expressions (after cover walk) : Max Seen:[10, 11, 13, +inf, 10, 10] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 09:59:27] [INFO ] Flow matrix only has 145 transitions (discarded 49 similar events)
// Phase 1: matrix 145 rows 50 cols
[2025-06-01 09:59:27] [INFO ] Computed 2 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[10, 11, 13, +inf, 10, 10] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2799 resets) in 1441 ms. (693 steps per ms)
FORMULA DoubleLock-PT-p2s1-UpperBounds-12 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 5000003 steps (818 resets) in 2277 ms. (2194 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[12, 83, 100, 11, 10] Max Struct:[+inf, +inf, +inf, +inf, +inf]
[2025-06-01 09:59:31] [INFO ] Flow matrix only has 145 transitions (discarded 49 similar events)
[2025-06-01 09:59:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 09:59:31] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-01 09:59:31] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-01 09:59:31] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2025-06-01 09:59:31] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-06-01 09:59:31] [INFO ] [Real]Added 26 Read/Feed constraints in 7 ms returned sat
[2025-06-01 09:59:31] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 09:59:31] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-01 09:59:31] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 09:59:31] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2025-06-01 09:59:31] [INFO ] [Nat]Added 26 Read/Feed constraints in 6 ms returned sat
[2025-06-01 09:59:31] [INFO ] Computed and/alt/rep : 62/426/62 causal constraints (skipped 81 transitions) in 13 ms.
[2025-06-01 09:59:31] [INFO ] Added : 27 causal constraints over 7 iterations in 110 ms. Result :sat
Minimization took 40 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 09:59:31] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-01 09:59:31] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-01 09:59:31] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2025-06-01 09:59:31] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 09:59:31] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-01 09:59:31] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-01 09:59:31] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2025-06-01 09:59:32] [INFO ] [Nat]Added 26 Read/Feed constraints in 4 ms returned sat
[2025-06-01 09:59:32] [INFO ] Computed and/alt/rep : 62/426/62 causal constraints (skipped 81 transitions) in 12 ms.
[2025-06-01 09:59:32] [INFO ] Added : 46 causal constraints over 10 iterations in 129 ms. Result :sat
Minimization took 47 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 09:59:32] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-01 09:59:32] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 09:59:32] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2025-06-01 09:59:32] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 09:59:32] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-01 09:59:32] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-01 09:59:32] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2025-06-01 09:59:32] [INFO ] [Nat]Added 26 Read/Feed constraints in 8 ms returned sat
[2025-06-01 09:59:32] [INFO ] Computed and/alt/rep : 62/426/62 causal constraints (skipped 81 transitions) in 13 ms.
[2025-06-01 09:59:32] [INFO ] Added : 32 causal constraints over 7 iterations in 101 ms. Result :sat
Minimization took 38 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 09:59:32] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2025-06-01 09:59:32] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-01 09:59:32] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2025-06-01 09:59:32] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 09:59:32] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-01 09:59:32] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 09:59:32] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2025-06-01 09:59:32] [INFO ] [Nat]Added 26 Read/Feed constraints in 5 ms returned sat
[2025-06-01 09:59:32] [INFO ] Computed and/alt/rep : 62/426/62 causal constraints (skipped 81 transitions) in 12 ms.
[2025-06-01 09:59:32] [INFO ] Added : 21 causal constraints over 5 iterations in 77 ms. Result :sat
Minimization took 40 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 09:59:32] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-01 09:59:32] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 09:59:32] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2025-06-01 09:59:32] [INFO ] [Real]Added 26 Read/Feed constraints in 4 ms returned sat
[2025-06-01 09:59:32] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 09:59:32] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-01 09:59:32] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-01 09:59:32] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2025-06-01 09:59:32] [INFO ] [Nat]Added 26 Read/Feed constraints in 7 ms returned sat
[2025-06-01 09:59:32] [INFO ] Computed and/alt/rep : 62/426/62 causal constraints (skipped 81 transitions) in 11 ms.
[2025-06-01 09:59:32] [INFO ] Added : 49 causal constraints over 10 iterations in 131 ms. Result :sat
Minimization took 49 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[12, 83, 100, 11, 10] Max Struct:[+inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[12, 83, 100, 11, 10] Max Struct:[+inf, +inf, +inf, +inf, +inf]
Support contains 5 out of 50 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 50/50 places, 194/194 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 49 transition count 190
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 49 transition count 190
Applied a total of 2 rules in 9 ms. Remains 49 /50 variables (removed 1) and now considering 190/194 (removed 4) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 49/50 places, 190/194 transitions.
[2025-06-01 09:59:33] [INFO ] Flow matrix only has 141 transitions (discarded 49 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {5=2, 12=1, 24=1, 92=1, 93=1, 138=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {12=1, 24=1, 89=1, 90=1, 135=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 36 resets, run finished after 75 ms. (steps per millisecond=133 ) properties (out of 5) seen :[7, 4, 6, 4, 4]
Current structural bounds on expressions (after cover walk) : Max Seen:[12, 83, 100, 11, 10] Max Struct:[+inf, +inf, +inf, +inf, +inf]
[2025-06-01 09:59:33] [INFO ] Flow matrix only has 141 transitions (discarded 49 similar events)
// Phase 1: matrix 141 rows 49 cols
[2025-06-01 09:59:33] [INFO ] Computed 2 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[12, 83, 100, 11, 10] Max Struct:[+inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2808 resets) in 1308 ms. (763 steps per ms)
BEST_FIRST walk for 5000005 steps (812 resets) in 2088 ms. (2393 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[13, 83, 100, 11, 10] Max Struct:[+inf, +inf, +inf, +inf, +inf]
[2025-06-01 09:59:36] [INFO ] Flow matrix only has 141 transitions (discarded 49 similar events)
[2025-06-01 09:59:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 09:59:36] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-01 09:59:36] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 09:59:36] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2025-06-01 09:59:36] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 09:59:36] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-01 09:59:36] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 09:59:36] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2025-06-01 09:59:36] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-06-01 09:59:36] [INFO ] [Nat]Added 26 Read/Feed constraints in 6 ms returned sat
[2025-06-01 09:59:36] [INFO ] Computed and/alt/rep : 60/382/60 causal constraints (skipped 79 transitions) in 9 ms.
[2025-06-01 09:59:37] [INFO ] Added : 32 causal constraints over 7 iterations in 89 ms. Result :sat
Minimization took 38 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 09:59:37] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-01 09:59:37] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 09:59:37] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2025-06-01 09:59:37] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 09:59:37] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-01 09:59:37] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 09:59:37] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2025-06-01 09:59:37] [INFO ] [Nat]Added 26 Read/Feed constraints in 6 ms returned sat
[2025-06-01 09:59:37] [INFO ] Computed and/alt/rep : 60/382/60 causal constraints (skipped 79 transitions) in 10 ms.
[2025-06-01 09:59:37] [INFO ] Added : 18 causal constraints over 4 iterations in 57 ms. Result :sat
Minimization took 35 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 09:59:37] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-01 09:59:37] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-01 09:59:37] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2025-06-01 09:59:37] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 09:59:37] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-01 09:59:37] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-01 09:59:37] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2025-06-01 09:59:37] [INFO ] [Nat]Added 26 Read/Feed constraints in 8 ms returned sat
[2025-06-01 09:59:37] [INFO ] Computed and/alt/rep : 60/382/60 causal constraints (skipped 79 transitions) in 11 ms.
[2025-06-01 09:59:37] [INFO ] Added : 9 causal constraints over 2 iterations in 37 ms. Result :sat
Minimization took 31 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 09:59:37] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-01 09:59:37] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 09:59:37] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2025-06-01 09:59:37] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 09:59:37] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2025-06-01 09:59:37] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-01 09:59:37] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2025-06-01 09:59:37] [INFO ] [Nat]Added 26 Read/Feed constraints in 6 ms returned sat
[2025-06-01 09:59:37] [INFO ] Computed and/alt/rep : 60/382/60 causal constraints (skipped 79 transitions) in 11 ms.
[2025-06-01 09:59:37] [INFO ] Added : 22 causal constraints over 5 iterations in 67 ms. Result :sat
Minimization took 36 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 09:59:37] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-01 09:59:37] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 09:59:37] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2025-06-01 09:59:37] [INFO ] [Real]Added 26 Read/Feed constraints in 5 ms returned sat
[2025-06-01 09:59:37] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 09:59:37] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-01 09:59:37] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 09:59:37] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2025-06-01 09:59:37] [INFO ] [Nat]Added 26 Read/Feed constraints in 6 ms returned sat
[2025-06-01 09:59:37] [INFO ] Computed and/alt/rep : 60/382/60 causal constraints (skipped 79 transitions) in 10 ms.
[2025-06-01 09:59:37] [INFO ] Added : 31 causal constraints over 8 iterations in 90 ms. Result :sat
Minimization took 38 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[13, 83, 100, 11, 10] Max Struct:[+inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[13, 83, 100, 11, 10] Max Struct:[+inf, +inf, +inf, +inf, +inf]
Support contains 5 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 190/190 transitions.
Applied a total of 0 rules in 6 ms. Remains 49 /49 variables (removed 0) and now considering 190/190 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 49/49 places, 190/190 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 190/190 transitions.
Applied a total of 0 rules in 6 ms. Remains 49 /49 variables (removed 0) and now considering 190/190 (removed 0) transitions.
[2025-06-01 09:59:38] [INFO ] Flow matrix only has 141 transitions (discarded 49 similar events)
[2025-06-01 09:59:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 09:59:38] [INFO ] Implicit Places using invariants in 45 ms returned []
[2025-06-01 09:59:38] [INFO ] Flow matrix only has 141 transitions (discarded 49 similar events)
[2025-06-01 09:59:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 09:59:38] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-06-01 09:59:38] [INFO ] Implicit Places using invariants and state equation in 92 ms returned []
Implicit Place search using SMT with State Equation took 139 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 09:59:38] [INFO ] Redundant transitions in 6 ms returned []
Running 188 sub problems to find dead transitions.
[2025-06-01 09:59:38] [INFO ] Flow matrix only has 141 transitions (discarded 49 similar events)
[2025-06-01 09:59:38] [INFO ] Invariant cache hit.
[2025-06-01 09:59:38] [INFO ] State equation strengthened by 26 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/49 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 3 (OVERLAPS) 141/190 variables, 49/51 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/190 variables, 26/77 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 188 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/190 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 188 unsolved
No progress, stopping.
After SMT solving in domain Real declared 190/190 variables, and 77 constraints, problems are : Problem set: 0 solved, 188 unsolved in 3084 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 188/188 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 188 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/49 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 3 (OVERLAPS) 141/190 variables, 49/51 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/190 variables, 26/77 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 188/265 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 7 (OVERLAPS) 0/190 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 188 unsolved
No progress, stopping.
After SMT solving in domain Int declared 190/190 variables, and 265 constraints, problems are : Problem set: 0 solved, 188 unsolved in 17749 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 188/188 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 20959ms problems are : Problem set: 0 solved, 188 unsolved
Search for dead transitions found 0 dead transitions in 20966ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 21130 ms. Remains : 49/49 places, 190/190 transitions.
[2025-06-01 09:59:59] [INFO ] Flow matrix only has 141 transitions (discarded 49 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {5=2, 12=1, 24=1, 92=1, 93=1, 138=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {12=1, 24=1, 89=1, 90=1, 135=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 31 resets, run finished after 26 ms. (steps per millisecond=384 ) properties (out of 5) seen :[4, 5, 4, 4, 4]
Current structural bounds on expressions (after cover walk) : Max Seen:[13, 83, 100, 11, 10] Max Struct:[+inf, +inf, +inf, +inf, +inf]
[2025-06-01 09:59:59] [INFO ] Flow matrix only has 141 transitions (discarded 49 similar events)
[2025-06-01 09:59:59] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[13, 83, 100, 11, 10] Max Struct:[+inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2817 resets) in 1293 ms. (772 steps per ms)
BEST_FIRST walk for 5000004 steps (876 resets) in 2147 ms. (2327 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[16, 83, 100, 11, 10] Max Struct:[+inf, +inf, +inf, +inf, +inf]
[2025-06-01 10:00:02] [INFO ] Flow matrix only has 141 transitions (discarded 49 similar events)
[2025-06-01 10:00:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 10:00:02] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-01 10:00:02] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-01 10:00:02] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2025-06-01 10:00:02] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-06-01 10:00:02] [INFO ] [Real]Added 26 Read/Feed constraints in 5 ms returned sat
[2025-06-01 10:00:02] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 10:00:02] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-01 10:00:02] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 10:00:03] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2025-06-01 10:00:03] [INFO ] [Nat]Added 26 Read/Feed constraints in 7 ms returned sat
[2025-06-01 10:00:03] [INFO ] Computed and/alt/rep : 60/382/60 causal constraints (skipped 79 transitions) in 17 ms.
[2025-06-01 10:00:03] [INFO ] Added : 15 causal constraints over 4 iterations in 67 ms. Result :sat
Minimization took 32 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 10:00:03] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-01 10:00:03] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 5 ms returned sat
[2025-06-01 10:00:03] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2025-06-01 10:00:03] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 10:00:03] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-01 10:00:03] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 10:00:03] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2025-06-01 10:00:03] [INFO ] [Nat]Added 26 Read/Feed constraints in 4 ms returned sat
[2025-06-01 10:00:03] [INFO ] Computed and/alt/rep : 60/382/60 causal constraints (skipped 79 transitions) in 7 ms.
[2025-06-01 10:00:03] [INFO ] Added : 18 causal constraints over 4 iterations in 59 ms. Result :sat
Minimization took 34 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 10:00:03] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-01 10:00:03] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 10:00:03] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2025-06-01 10:00:03] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 10:00:03] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-01 10:00:03] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 10:00:03] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2025-06-01 10:00:03] [INFO ] [Nat]Added 26 Read/Feed constraints in 7 ms returned sat
[2025-06-01 10:00:03] [INFO ] Computed and/alt/rep : 60/382/60 causal constraints (skipped 79 transitions) in 10 ms.
[2025-06-01 10:00:03] [INFO ] Added : 9 causal constraints over 2 iterations in 46 ms. Result :sat
Minimization took 32 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 10:00:03] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2025-06-01 10:00:03] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-01 10:00:03] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2025-06-01 10:00:03] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 10:00:03] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-01 10:00:03] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 10:00:03] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2025-06-01 10:00:03] [INFO ] [Nat]Added 26 Read/Feed constraints in 10 ms returned sat
[2025-06-01 10:00:03] [INFO ] Computed and/alt/rep : 60/382/60 causal constraints (skipped 79 transitions) in 10 ms.
[2025-06-01 10:00:03] [INFO ] Added : 22 causal constraints over 5 iterations in 99 ms. Result :sat
Minimization took 37 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 10:00:03] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-01 10:00:03] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 10:00:03] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2025-06-01 10:00:03] [INFO ] [Real]Added 26 Read/Feed constraints in 5 ms returned sat
[2025-06-01 10:00:03] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 10:00:03] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-01 10:00:03] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-01 10:00:03] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2025-06-01 10:00:03] [INFO ] [Nat]Added 26 Read/Feed constraints in 5 ms returned sat
[2025-06-01 10:00:03] [INFO ] Computed and/alt/rep : 60/382/60 causal constraints (skipped 79 transitions) in 10 ms.
[2025-06-01 10:00:04] [INFO ] Added : 31 causal constraints over 8 iterations in 88 ms. Result :sat
Minimization took 38 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[16, 83, 100, 11, 10] Max Struct:[+inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[16, 83, 100, 11, 10] Max Struct:[+inf, +inf, +inf, +inf, +inf]
Support contains 5 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 190/190 transitions.
Applied a total of 0 rules in 5 ms. Remains 49 /49 variables (removed 0) and now considering 190/190 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 49/49 places, 190/190 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 190/190 transitions.
Applied a total of 0 rules in 5 ms. Remains 49 /49 variables (removed 0) and now considering 190/190 (removed 0) transitions.
[2025-06-01 10:00:04] [INFO ] Flow matrix only has 141 transitions (discarded 49 similar events)
[2025-06-01 10:00:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 10:00:04] [INFO ] Implicit Places using invariants in 40 ms returned []
[2025-06-01 10:00:04] [INFO ] Flow matrix only has 141 transitions (discarded 49 similar events)
[2025-06-01 10:00:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 10:00:04] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-06-01 10:00:04] [INFO ] Implicit Places using invariants and state equation in 94 ms returned []
Implicit Place search using SMT with State Equation took 148 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 10:00:04] [INFO ] Redundant transitions in 5 ms returned []
Running 188 sub problems to find dead transitions.
[2025-06-01 10:00:04] [INFO ] Flow matrix only has 141 transitions (discarded 49 similar events)
[2025-06-01 10:00:04] [INFO ] Invariant cache hit.
[2025-06-01 10:00:04] [INFO ] State equation strengthened by 26 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/49 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 3 (OVERLAPS) 141/190 variables, 49/51 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/190 variables, 26/77 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 188 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/190 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 188 unsolved
No progress, stopping.
After SMT solving in domain Real declared 190/190 variables, and 77 constraints, problems are : Problem set: 0 solved, 188 unsolved in 2938 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 188/188 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 188 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/49 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 3 (OVERLAPS) 141/190 variables, 49/51 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/190 variables, 26/77 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 188/265 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 7 (OVERLAPS) 0/190 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 188 unsolved
No progress, stopping.
After SMT solving in domain Int declared 190/190 variables, and 265 constraints, problems are : Problem set: 0 solved, 188 unsolved in 17793 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 188/188 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 20788ms problems are : Problem set: 0 solved, 188 unsolved
Search for dead transitions found 0 dead transitions in 20792ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 20956 ms. Remains : 49/49 places, 190/190 transitions.
[2025-06-01 10:00:25] [INFO ] Flow matrix only has 141 transitions (discarded 49 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {5=2, 12=1, 24=1, 92=1, 93=1, 138=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {12=1, 24=1, 89=1, 90=1, 135=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 32 resets, run finished after 19 ms. (steps per millisecond=526 ) properties (out of 5) seen :[6, 4, 5, 4, 4]
Current structural bounds on expressions (after cover walk) : Max Seen:[16, 83, 100, 11, 10] Max Struct:[+inf, +inf, +inf, +inf, +inf]
[2025-06-01 10:00:25] [INFO ] Flow matrix only has 141 transitions (discarded 49 similar events)
[2025-06-01 10:00:25] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[16, 83, 100, 11, 10] Max Struct:[+inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2856 resets) in 1297 ms. (770 steps per ms)
BEST_FIRST walk for 5000004 steps (859 resets) in 2104 ms. (2375 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[16, 83, 100, 11, 10] Max Struct:[+inf, +inf, +inf, +inf, +inf]
[2025-06-01 10:00:28] [INFO ] Flow matrix only has 141 transitions (discarded 49 similar events)
[2025-06-01 10:00:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 10:00:28] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-01 10:00:28] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-01 10:00:28] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2025-06-01 10:00:28] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-06-01 10:00:28] [INFO ] [Real]Added 26 Read/Feed constraints in 5 ms returned sat
[2025-06-01 10:00:28] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 10:00:28] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-01 10:00:28] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 10:00:28] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2025-06-01 10:00:28] [INFO ] [Nat]Added 26 Read/Feed constraints in 7 ms returned sat
[2025-06-01 10:00:28] [INFO ] Computed and/alt/rep : 60/382/60 causal constraints (skipped 79 transitions) in 7 ms.
[2025-06-01 10:00:28] [INFO ] Added : 15 causal constraints over 4 iterations in 62 ms. Result :sat
Minimization took 34 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 10:00:29] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-01 10:00:29] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 10:00:29] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2025-06-01 10:00:29] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 10:00:29] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-01 10:00:29] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-01 10:00:29] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2025-06-01 10:00:29] [INFO ] [Nat]Added 26 Read/Feed constraints in 4 ms returned sat
[2025-06-01 10:00:29] [INFO ] Computed and/alt/rep : 60/382/60 causal constraints (skipped 79 transitions) in 6 ms.
[2025-06-01 10:00:29] [INFO ] Added : 18 causal constraints over 4 iterations in 46 ms. Result :sat
Minimization took 31 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 10:00:29] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-01 10:00:29] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-01 10:00:29] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2025-06-01 10:00:29] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 10:00:29] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-01 10:00:29] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-01 10:00:29] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2025-06-01 10:00:29] [INFO ] [Nat]Added 26 Read/Feed constraints in 7 ms returned sat
[2025-06-01 10:00:29] [INFO ] Computed and/alt/rep : 60/382/60 causal constraints (skipped 79 transitions) in 12 ms.
[2025-06-01 10:00:29] [INFO ] Added : 9 causal constraints over 2 iterations in 44 ms. Result :sat
Minimization took 33 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 10:00:29] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-01 10:00:29] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 10:00:29] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2025-06-01 10:00:29] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 10:00:29] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2025-06-01 10:00:29] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-01 10:00:29] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2025-06-01 10:00:29] [INFO ] [Nat]Added 26 Read/Feed constraints in 6 ms returned sat
[2025-06-01 10:00:29] [INFO ] Computed and/alt/rep : 60/382/60 causal constraints (skipped 79 transitions) in 7 ms.
[2025-06-01 10:00:29] [INFO ] Added : 22 causal constraints over 5 iterations in 62 ms. Result :sat
Minimization took 34 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 10:00:29] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-01 10:00:29] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 10:00:29] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2025-06-01 10:00:29] [INFO ] [Real]Added 26 Read/Feed constraints in 6 ms returned sat
[2025-06-01 10:00:29] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 10:00:29] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-01 10:00:29] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 10:00:29] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2025-06-01 10:00:29] [INFO ] [Nat]Added 26 Read/Feed constraints in 9 ms returned sat
[2025-06-01 10:00:29] [INFO ] Computed and/alt/rep : 60/382/60 causal constraints (skipped 79 transitions) in 7 ms.
[2025-06-01 10:00:29] [INFO ] Added : 31 causal constraints over 8 iterations in 98 ms. Result :sat
Minimization took 38 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[16, 83, 100, 11, 10] Max Struct:[+inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[16, 83, 100, 11, 10] Max Struct:[+inf, +inf, +inf, +inf, +inf]
Support contains 5 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 190/190 transitions.
Applied a total of 0 rules in 6 ms. Remains 49 /49 variables (removed 0) and now considering 190/190 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 49/49 places, 190/190 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 190/190 transitions.
Applied a total of 0 rules in 5 ms. Remains 49 /49 variables (removed 0) and now considering 190/190 (removed 0) transitions.
[2025-06-01 10:00:30] [INFO ] Flow matrix only has 141 transitions (discarded 49 similar events)
[2025-06-01 10:00:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 10:00:30] [INFO ] Implicit Places using invariants in 44 ms returned []
[2025-06-01 10:00:30] [INFO ] Flow matrix only has 141 transitions (discarded 49 similar events)
[2025-06-01 10:00:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 10:00:30] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-06-01 10:00:30] [INFO ] Implicit Places using invariants and state equation in 97 ms returned []
Implicit Place search using SMT with State Equation took 142 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 10:00:30] [INFO ] Redundant transitions in 2 ms returned []
Running 188 sub problems to find dead transitions.
[2025-06-01 10:00:30] [INFO ] Flow matrix only has 141 transitions (discarded 49 similar events)
[2025-06-01 10:00:30] [INFO ] Invariant cache hit.
[2025-06-01 10:00:30] [INFO ] State equation strengthened by 26 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/49 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 3 (OVERLAPS) 141/190 variables, 49/51 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/190 variables, 26/77 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 188 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/190 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 188 unsolved
No progress, stopping.
After SMT solving in domain Real declared 190/190 variables, and 77 constraints, problems are : Problem set: 0 solved, 188 unsolved in 3022 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 188/188 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 188 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/49 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 3 (OVERLAPS) 141/190 variables, 49/51 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/190 variables, 26/77 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 188/265 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 7 (OVERLAPS) 0/190 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 188 unsolved
No progress, stopping.
After SMT solving in domain Int declared 190/190 variables, and 265 constraints, problems are : Problem set: 0 solved, 188 unsolved in 17722 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 188/188 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 20806ms problems are : Problem set: 0 solved, 188 unsolved
Search for dead transitions found 0 dead transitions in 20811ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 20970 ms. Remains : 49/49 places, 190/190 transitions.
[2025-06-01 10:00:51] [INFO ] Flow matrix only has 141 transitions (discarded 49 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {5=2, 12=1, 24=1, 92=1, 93=1, 138=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {12=1, 24=1, 89=1, 90=1, 135=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 30 resets, run finished after 26 ms. (steps per millisecond=384 ) properties (out of 5) seen :[6, 5, 5, 3, 4]
Current structural bounds on expressions (after cover walk) : Max Seen:[16, 83, 100, 11, 10] Max Struct:[+inf, +inf, +inf, +inf, +inf]
RANDOM walk for 40004 steps (120 resets) in 907 ms. (44 steps per ms) remains 5/5 properties
[2025-06-01 10:00:51] [INFO ] Flatten gal took : 48 ms
BEST_FIRST walk for 40004 steps (8 resets) in 143 ms. (277 steps per ms) remains 5/5 properties
[2025-06-01 10:00:51] [INFO ] Flatten gal took : 38 ms
BEST_FIRST walk for 40004 steps (21 resets) in 122 ms. (325 steps per ms) remains 5/5 properties
[2025-06-01 10:00:51] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11801443565218519401.gal : 15 ms
[2025-06-01 10:00:51] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4176974109777174693.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality11801443565218519401.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4176974109777174693.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
BEST_FIRST walk for 40004 steps (15 resets) in 149 ms. (266 steps per ms) remains 5/5 properties
Loading property file /tmp/ReachabilityCardinality4176974109777174693.prop.
BEST_FIRST walk for 40002 steps (10 resets) in 129 ms. (307 steps per ms) remains 4/5 properties
SDD proceeding with computation,5 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,5 properties remain. new max is 8
SDD size :9 after 64
SDD proceeding with computation,5 properties remain. new max is 16
SDD size :64 after 862
BEST_FIRST walk for 40004 steps (14 resets) in 121 ms. (327 steps per ms) remains 4/4 properties
[2025-06-01 10:00:51] [INFO ] Flow matrix only has 141 transitions (discarded 49 similar events)
[2025-06-01 10:00:51] [INFO ] Invariant cache hit.
[2025-06-01 10:00:51] [INFO ] State equation strengthened by 26 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 32/36 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/36 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 112/148 variables, 14/18 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/148 variables, 11/29 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/148 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 4 unsolved
SDD proceeding with computation,5 properties remain. new max is 32
SDD size :862 after 15024
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 11/159 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/159 variables, 3/33 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/159 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 31/190 variables, 28/61 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/190 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/190 variables, 15/77 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/190 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (OVERLAPS) 0/190 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 190/190 variables, and 77 constraints, problems are : Problem set: 0 solved, 4 unsolved in 132 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 32/36 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/36 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 112/148 variables, 14/18 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/148 variables, 11/29 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/148 variables, 4/33 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/148 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 11/159 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/159 variables, 3/37 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/159 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (OVERLAPS) 31/190 variables, 28/65 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/190 variables, 1/66 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/190 variables, 15/81 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/190 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (OVERLAPS) 0/190 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 190/190 variables, and 81 constraints, problems are : Problem set: 0 solved, 4 unsolved in 247 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 390ms problems are : Problem set: 0 solved, 4 unsolved
Fused 4 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 1 ms.
Support contains 4 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 190/190 transitions.
Applied a total of 0 rules in 7 ms. Remains 49 /49 variables (removed 0) and now considering 190/190 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 49/49 places, 190/190 transitions.
SDD proceeding with computation,5 properties remain. new max is 64
SDD size :15024 after 134915
RANDOM walk for 40001 steps (116 resets) in 266 ms. (149 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 68 ms. (579 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (14 resets) in 88 ms. (449 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (14 resets) in 86 ms. (459 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (14 resets) in 100 ms. (396 steps per ms) remains 4/4 properties
SDD proceeding with computation,5 properties remain. new max is 128
SDD size :134915 after 451967
SDD proceeding with computation,5 properties remain. new max is 256
SDD size :451967 after 1.08274e+06
SDD proceeding with computation,5 properties remain. new max is 512
SDD size :1.08274e+06 after 2.33931e+06
SDD proceeding with computation,5 properties remain. new max is 1024
SDD size :2.33931e+06 after 4.84766e+06
Interrupted probabilistic random walk after 342300 steps, run timeout after 3001 ms. (steps per millisecond=114 ) properties seen :0 out of 4
Probabilistic random walk after 342300 steps, saw 224216 distinct states, run finished after 3007 ms. (steps per millisecond=113 ) properties seen :0
[2025-06-01 10:00:55] [INFO ] Flow matrix only has 141 transitions (discarded 49 similar events)
[2025-06-01 10:00:55] [INFO ] Invariant cache hit.
[2025-06-01 10:00:55] [INFO ] State equation strengthened by 26 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 32/36 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/36 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 112/148 variables, 14/18 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/148 variables, 11/29 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/148 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 4 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 11/159 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/159 variables, 3/33 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/159 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 31/190 variables, 28/61 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/190 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/190 variables, 15/77 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/190 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (OVERLAPS) 0/190 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 190/190 variables, and 77 constraints, problems are : Problem set: 0 solved, 4 unsolved in 130 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 32/36 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/36 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 112/148 variables, 14/18 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/148 variables, 11/29 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/148 variables, 4/33 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/148 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 11/159 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/159 variables, 3/37 constraints. Problems are: Problem set: 0 solved, 4 unsolved
SDD proceeding with computation,5 properties remain. new max is 2048
SDD size :4.84766e+06 after 9.85937e+06
At refinement iteration 9 (INCLUDED_ONLY) 0/159 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (OVERLAPS) 31/190 variables, 28/65 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/190 variables, 1/66 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/190 variables, 15/81 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/190 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (OVERLAPS) 0/190 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 190/190 variables, and 81 constraints, problems are : Problem set: 0 solved, 4 unsolved in 238 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 371ms problems are : Problem set: 0 solved, 4 unsolved
Fused 4 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 1 ms.
Support contains 4 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 190/190 transitions.
Applied a total of 0 rules in 7 ms. Remains 49 /49 variables (removed 0) and now considering 190/190 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 49/49 places, 190/190 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 190/190 transitions.
Applied a total of 0 rules in 4 ms. Remains 49 /49 variables (removed 0) and now considering 190/190 (removed 0) transitions.
[2025-06-01 10:00:55] [INFO ] Flow matrix only has 141 transitions (discarded 49 similar events)
[2025-06-01 10:00:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 10:00:55] [INFO ] Implicit Places using invariants in 44 ms returned []
[2025-06-01 10:00:55] [INFO ] Flow matrix only has 141 transitions (discarded 49 similar events)
[2025-06-01 10:00:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 10:00:55] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-06-01 10:00:55] [INFO ] Implicit Places using invariants and state equation in 93 ms returned []
Implicit Place search using SMT with State Equation took 140 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 10:00:55] [INFO ] Redundant transitions in 2 ms returned []
Running 188 sub problems to find dead transitions.
[2025-06-01 10:00:55] [INFO ] Flow matrix only has 141 transitions (discarded 49 similar events)
[2025-06-01 10:00:55] [INFO ] Invariant cache hit.
[2025-06-01 10:00:55] [INFO ] State equation strengthened by 26 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/49 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 3 (OVERLAPS) 141/190 variables, 49/51 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/190 variables, 26/77 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 188 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/190 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 188 unsolved
No progress, stopping.
After SMT solving in domain Real declared 190/190 variables, and 77 constraints, problems are : Problem set: 0 solved, 188 unsolved in 3000 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 188/188 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 188 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/49 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 3 (OVERLAPS) 141/190 variables, 49/51 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/190 variables, 26/77 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 188/265 constraints. Problems are: Problem set: 0 solved, 188 unsolved
SDD proceeding with computation,5 properties remain. new max is 4096
SDD size :9.85937e+06 after 1.9878e+07
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 7 (OVERLAPS) 0/190 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 188 unsolved
No progress, stopping.
After SMT solving in domain Int declared 190/190 variables, and 265 constraints, problems are : Problem set: 0 solved, 188 unsolved in 18158 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 188/188 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 21222ms problems are : Problem set: 0 solved, 188 unsolved
Search for dead transitions found 0 dead transitions in 21228ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 21381 ms. Remains : 49/49 places, 190/190 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 49 transitions
Reduce isomorphic transitions removed 49 transitions.
Iterating post reduction 0 with 49 rules applied. Total rules applied 49 place count 49 transition count 141
Performed 10 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 10 Pre rules applied. Total rules applied 49 place count 49 transition count 131
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 1 with 20 rules applied. Total rules applied 69 place count 39 transition count 131
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 1 with 2 rules applied. Total rules applied 71 place count 38 transition count 130
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 72 place count 37 transition count 126
Iterating global reduction 1 with 1 rules applied. Total rules applied 73 place count 37 transition count 126
Applied a total of 73 rules in 19 ms. Remains 37 /49 variables (removed 12) and now considering 126/190 (removed 64) transitions.
Running SMT prover for 4 properties.
// Phase 1: matrix 126 rows 37 cols
[2025-06-01 10:01:17] [INFO ] Computed 2 invariants in 3 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 10:01:17] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-01 10:01:17] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 10:01:17] [INFO ] After 69ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 10:01:17] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2025-06-01 10:01:17] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-01 10:01:17] [INFO ] After 30ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
TRAPS : Iteration 0
[2025-06-01 10:01:17] [INFO ] After 60ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :4
[2025-06-01 10:01:17] [INFO ] After 103ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :4
[2025-06-01 10:01:17] [INFO ] Flatten gal took : 17 ms
[2025-06-01 10:01:17] [INFO ] Flatten gal took : 13 ms
[2025-06-01 10:01:17] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6694191221874342871.gal : 7 ms
[2025-06-01 10:01:17] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3136465616063369106.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality6694191221874342871.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3136465616063369106.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality3136465616063369106.prop.
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :10 after 175
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :175 after 6523
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :6523 after 3.2805e+06
SDD proceeding with computation,4 properties remain. new max is 128
SDD size :3.2805e+06 after 1.38047e+08
SDD proceeding with computation,4 properties remain. new max is 256
SDD size :1.38047e+08 after 3.16959e+09
SDD proceeding with computation,4 properties remain. new max is 512
SDD size :3.16959e+09 after 6.04214e+10
Detected timeout of ITS tools.
[2025-06-01 10:01:32] [INFO ] Flatten gal took : 9 ms
[2025-06-01 10:01:32] [INFO ] Applying decomposition
[2025-06-01 10:01:32] [INFO ] Flatten gal took : 8 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph13186866873076381347.txt' '-o' '/tmp/graph13186866873076381347.bin' '-w' '/tmp/graph13186866873076381347.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph13186866873076381347.bin' '-l' '-1' '-v' '-w' '/tmp/graph13186866873076381347.weights' '-q' '0' '-e' '0.001'
[2025-06-01 10:01:32] [INFO ] Decomposing Gal with order
[2025-06-01 10:01:32] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 10:01:32] [INFO ] Removed a total of 253 redundant transitions.
[2025-06-01 10:01:32] [INFO ] Flatten gal took : 54 ms
[2025-06-01 10:01:32] [INFO ] Fuse similar labels procedure discarded/fused a total of 12 labels/synchronizations in 9 ms.
[2025-06-01 10:01:32] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14867192535320870938.gal : 3 ms
[2025-06-01 10:01:32] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14822526626239188690.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality14867192535320870938.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14822526626239188690.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...309
Loading property file /tmp/ReachabilityCardinality14822526626239188690.prop.
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :10 after 63
SDD proceeding with computation,5 properties remain. new max is 8192
SDD size :1.9878e+07 after 3.99102e+07
Detected timeout of ITS tools.
[2025-06-01 10:01:41] [INFO ] Flatten gal took : 10 ms
[2025-06-01 10:01:41] [INFO ] Applying decomposition
[2025-06-01 10:01:41] [INFO ] Flatten gal took : 9 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph2806120162295770000.txt' '-o' '/tmp/graph2806120162295770000.bin' '-w' '/tmp/graph2806120162295770000.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph2806120162295770000.bin' '-l' '-1' '-v' '-w' '/tmp/graph2806120162295770000.weights' '-q' '0' '-e' '0.001'
[2025-06-01 10:01:41] [INFO ] Decomposing Gal with order
[2025-06-01 10:01:41] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 10:01:41] [INFO ] Removed a total of 397 redundant transitions.
[2025-06-01 10:01:41] [INFO ] Flatten gal took : 19 ms
[2025-06-01 10:01:41] [INFO ] Fuse similar labels procedure discarded/fused a total of 16 labels/synchronizations in 5 ms.
[2025-06-01 10:01:41] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13479047379469898571.gal : 3 ms
[2025-06-01 10:01:41] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality18233323627660045636.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality13479047379469898571.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality18233323627660045636.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...309
Loading property file /tmp/ReachabilityCardinality18233323627660045636.prop.
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30571 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:[16, 83, 100, 11, 10] Max Struct:[+inf, +inf, +inf, +inf, +inf]
Starting property specific reduction for DoubleLock-PT-p2s1-UpperBounds-04
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 10:01:47] [INFO ] Flow matrix only has 141 transitions (discarded 49 similar events)
// Phase 1: matrix 141 rows 49 cols
[2025-06-01 10:01:47] [INFO ] Computed 2 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (30 resets) in 19 ms. (500 steps per ms)
BEST_FIRST walk for 10000 steps (2 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[11] Max Struct:[+inf]
[2025-06-01 10:01:47] [INFO ] Flow matrix only has 141 transitions (discarded 49 similar events)
[2025-06-01 10:01:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 10:01:47] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-01 10:01:47] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 10:01:47] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2025-06-01 10:01:47] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 10:01:47] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-01 10:01:47] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 10:01:47] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2025-06-01 10:01:47] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-06-01 10:01:47] [INFO ] [Nat]Added 26 Read/Feed constraints in 6 ms returned sat
[2025-06-01 10:01:47] [INFO ] Computed and/alt/rep : 60/382/60 causal constraints (skipped 79 transitions) in 7 ms.
[2025-06-01 10:01:48] [INFO ] Added : 39 causal constraints over 8 iterations in 89 ms. Result :sat
Minimization took 43 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[11] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[11] Max Struct:[+inf]
Support contains 1 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 190/190 transitions.
Applied a total of 0 rules in 5 ms. Remains 49 /49 variables (removed 0) and now considering 190/190 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 49/49 places, 190/190 transitions.
[2025-06-01 10:01:48] [INFO ] Flow matrix only has 141 transitions (discarded 49 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {5=2, 12=1, 24=1, 92=1, 93=1, 138=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {12=1, 24=1, 89=1, 90=1, 135=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 34 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:[11] Max Struct:[+inf]
[2025-06-01 10:01:48] [INFO ] Flow matrix only has 141 transitions (discarded 49 similar events)
[2025-06-01 10:01:48] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[11] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2852 resets) in 1346 ms. (742 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 422 ms. (2364 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[16] Max Struct:[+inf]
[2025-06-01 10:01:49] [INFO ] Flow matrix only has 141 transitions (discarded 49 similar events)
[2025-06-01 10:01:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 10:01:50] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2025-06-01 10:01:50] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 3 ms returned sat
[2025-06-01 10:01:50] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2025-06-01 10:01:50] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-06-01 10:01:50] [INFO ] [Real]Added 26 Read/Feed constraints in 6 ms returned sat
[2025-06-01 10:01:50] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 10:01:50] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-01 10:01:50] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 10:01:50] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2025-06-01 10:01:50] [INFO ] [Nat]Added 26 Read/Feed constraints in 7 ms returned sat
[2025-06-01 10:01:50] [INFO ] Computed and/alt/rep : 60/382/60 causal constraints (skipped 79 transitions) in 9 ms.
[2025-06-01 10:01:50] [INFO ] Added : 15 causal constraints over 4 iterations in 57 ms. Result :sat
Minimization took 32 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[16] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[16] Max Struct:[+inf]
Support contains 1 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 190/190 transitions.
Applied a total of 0 rules in 4 ms. Remains 49 /49 variables (removed 0) and now considering 190/190 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 49/49 places, 190/190 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 190/190 transitions.
Applied a total of 0 rules in 6 ms. Remains 49 /49 variables (removed 0) and now considering 190/190 (removed 0) transitions.
[2025-06-01 10:01:50] [INFO ] Flow matrix only has 141 transitions (discarded 49 similar events)
[2025-06-01 10:01:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 10:01:50] [INFO ] Implicit Places using invariants in 46 ms returned []
[2025-06-01 10:01:50] [INFO ] Flow matrix only has 141 transitions (discarded 49 similar events)
[2025-06-01 10:01:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 10:01:50] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-06-01 10:01:50] [INFO ] Implicit Places using invariants and state equation in 97 ms returned []
Implicit Place search using SMT with State Equation took 165 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 10:01:50] [INFO ] Redundant transitions in 1 ms returned []
Running 188 sub problems to find dead transitions.
[2025-06-01 10:01:50] [INFO ] Flow matrix only has 141 transitions (discarded 49 similar events)
[2025-06-01 10:01:50] [INFO ] Invariant cache hit.
[2025-06-01 10:01:50] [INFO ] State equation strengthened by 26 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/49 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 3 (OVERLAPS) 141/190 variables, 49/51 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/190 variables, 26/77 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 188 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/190 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 188 unsolved
No progress, stopping.
After SMT solving in domain Real declared 190/190 variables, and 77 constraints, problems are : Problem set: 0 solved, 188 unsolved in 3008 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 188/188 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 188 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/49 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 3 (OVERLAPS) 141/190 variables, 49/51 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/190 variables, 26/77 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 188/265 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 7 (OVERLAPS) 0/190 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 188 unsolved
No progress, stopping.
After SMT solving in domain Int declared 190/190 variables, and 265 constraints, problems are : Problem set: 0 solved, 188 unsolved in 17674 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 188/188 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 20733ms problems are : Problem set: 0 solved, 188 unsolved
Search for dead transitions found 0 dead transitions in 20734ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 20912 ms. Remains : 49/49 places, 190/190 transitions.
[2025-06-01 10:02:11] [INFO ] Flow matrix only has 141 transitions (discarded 49 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {5=2, 12=1, 24=1, 92=1, 93=1, 138=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {12=1, 24=1, 89=1, 90=1, 135=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 32 resets, run finished after 17 ms. (steps per millisecond=588 ) properties (out of 1) seen :[6]
Current structural bounds on expressions (after cover walk) : Max Seen:[16] Max Struct:[+inf]
[2025-06-01 10:02:11] [INFO ] Flow matrix only has 141 transitions (discarded 49 similar events)
[2025-06-01 10:02:11] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[16] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2808 resets) in 1345 ms. (742 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 426 ms. (2341 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[16] Max Struct:[+inf]
[2025-06-01 10:02:13] [INFO ] Flow matrix only has 141 transitions (discarded 49 similar events)
[2025-06-01 10:02:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 10:02:13] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-01 10:02:13] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 3 ms returned sat
[2025-06-01 10:02:13] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2025-06-01 10:02:13] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-06-01 10:02:13] [INFO ] [Real]Added 26 Read/Feed constraints in 6 ms returned sat
[2025-06-01 10:02:13] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 10:02:13] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-06-01 10:02:13] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-01 10:02:13] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2025-06-01 10:02:13] [INFO ] [Nat]Added 26 Read/Feed constraints in 13 ms returned sat
[2025-06-01 10:02:13] [INFO ] Computed and/alt/rep : 60/382/60 causal constraints (skipped 79 transitions) in 12 ms.
[2025-06-01 10:02:13] [INFO ] Added : 15 causal constraints over 4 iterations in 63 ms. Result :sat
Minimization took 33 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[16] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[16] Max Struct:[+inf]
Support contains 1 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 190/190 transitions.
Applied a total of 0 rules in 3 ms. Remains 49 /49 variables (removed 0) and now considering 190/190 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 49/49 places, 190/190 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 190/190 transitions.
Applied a total of 0 rules in 3 ms. Remains 49 /49 variables (removed 0) and now considering 190/190 (removed 0) transitions.
[2025-06-01 10:02:13] [INFO ] Flow matrix only has 141 transitions (discarded 49 similar events)
[2025-06-01 10:02:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 10:02:13] [INFO ] Implicit Places using invariants in 54 ms returned []
[2025-06-01 10:02:13] [INFO ] Flow matrix only has 141 transitions (discarded 49 similar events)
[2025-06-01 10:02:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 10:02:13] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-06-01 10:02:13] [INFO ] Implicit Places using invariants and state equation in 99 ms returned []
Implicit Place search using SMT with State Equation took 155 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 10:02:13] [INFO ] Redundant transitions in 2 ms returned []
Running 188 sub problems to find dead transitions.
[2025-06-01 10:02:13] [INFO ] Flow matrix only has 141 transitions (discarded 49 similar events)
[2025-06-01 10:02:13] [INFO ] Invariant cache hit.
[2025-06-01 10:02:13] [INFO ] State equation strengthened by 26 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/49 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 3 (OVERLAPS) 141/190 variables, 49/51 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/190 variables, 26/77 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 188 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/190 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 188 unsolved
No progress, stopping.
After SMT solving in domain Real declared 190/190 variables, and 77 constraints, problems are : Problem set: 0 solved, 188 unsolved in 3036 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 188/188 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 188 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/49 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 3 (OVERLAPS) 141/190 variables, 49/51 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/190 variables, 26/77 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 188/265 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 7 (OVERLAPS) 0/190 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 188 unsolved
No progress, stopping.
After SMT solving in domain Int declared 190/190 variables, and 265 constraints, problems are : Problem set: 0 solved, 188 unsolved in 17625 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 188/188 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 20700ms problems are : Problem set: 0 solved, 188 unsolved
Search for dead transitions found 0 dead transitions in 20701ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 20866 ms. Remains : 49/49 places, 190/190 transitions.
[2025-06-01 10:02:34] [INFO ] Flow matrix only has 141 transitions (discarded 49 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {5=2, 12=1, 24=1, 92=1, 93=1, 138=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {12=1, 24=1, 89=1, 90=1, 135=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 31 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 1) seen :[5]
Current structural bounds on expressions (after cover walk) : Max Seen:[16] Max Struct:[+inf]
[2025-06-01 10:02:34] [INFO ] Flatten gal took : 13 ms
[2025-06-01 10:02:34] [INFO ] Flatten gal took : 9 ms
[2025-06-01 10:02:34] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15646944032402181054.gal : 14 ms
[2025-06-01 10:02:34] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11054640987990970860.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality15646944032402181054.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11054640987990970860.prop' '--nowitness' '--gen-order' 'FOLLOW'
RANDOM walk for 40000 steps (110 resets) in 148 ms. (268 steps per ms) remains 1/1 properties

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
BEST_FIRST walk for 40003 steps (8 resets) in 43 ms. (909 steps per ms) remains 1/1 properties
Loading property file /tmp/ReachabilityCardinality11054640987990970860.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :9 after 64
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :64 after 862
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :862 after 15024
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :15024 after 134915
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :134915 after 451967
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :451967 after 1.08274e+06
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :1.08274e+06 after 2.33931e+06
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :2.33931e+06 after 4.84766e+06
Interrupted probabilistic random walk after 1827553 steps, run timeout after 3001 ms. (steps per millisecond=608 ) properties seen :0 out of 1
Probabilistic random walk after 1827553 steps, saw 1166406 distinct states, run finished after 3001 ms. (steps per millisecond=608 ) properties seen :0
[2025-06-01 10:02:37] [INFO ] Flow matrix only has 141 transitions (discarded 49 similar events)
[2025-06-01 10:02:37] [INFO ] Invariant cache hit.
[2025-06-01 10:02:37] [INFO ] State equation strengthened by 26 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 7/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 126/134 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/134 variables, 6/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/134 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 13/147 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/147 variables, 1/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/147 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 43/190 variables, 37/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/190 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/190 variables, 20/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/190 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/190 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 190/190 variables, and 77 constraints, problems are : Problem set: 0 solved, 1 unsolved in 76 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 7/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 126/134 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/134 variables, 6/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/134 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/134 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 13/147 variables, 1/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/147 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/147 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 43/190 variables, 37/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/190 variables, 1/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/190 variables, 20/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/190 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/190 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 190/190 variables, and 78 constraints, problems are : Problem set: 0 solved, 1 unsolved in 97 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 179ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 65 ms.
Support contains 1 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 190/190 transitions.
Applied a total of 0 rules in 3 ms. Remains 49 /49 variables (removed 0) and now considering 190/190 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 49/49 places, 190/190 transitions.
RANDOM walk for 40000 steps (110 resets) in 103 ms. (384 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 36 ms. (1081 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :4.84766e+06 after 9.85937e+06
Interrupted probabilistic random walk after 2096001 steps, run timeout after 3001 ms. (steps per millisecond=698 ) properties seen :0 out of 1
Probabilistic random walk after 2096001 steps, saw 1339981 distinct states, run finished after 3001 ms. (steps per millisecond=698 ) properties seen :0
[2025-06-01 10:02:40] [INFO ] Flow matrix only has 141 transitions (discarded 49 similar events)
[2025-06-01 10:02:40] [INFO ] Invariant cache hit.
[2025-06-01 10:02:40] [INFO ] State equation strengthened by 26 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 7/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 126/134 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/134 variables, 6/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/134 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 13/147 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/147 variables, 1/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/147 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 43/190 variables, 37/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/190 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/190 variables, 20/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/190 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/190 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 190/190 variables, and 77 constraints, problems are : Problem set: 0 solved, 1 unsolved in 85 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 7/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 126/134 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/134 variables, 6/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/134 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/134 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 13/147 variables, 1/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/147 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/147 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 43/190 variables, 37/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/190 variables, 1/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/190 variables, 20/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/190 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/190 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 190/190 variables, and 78 constraints, problems are : Problem set: 0 solved, 1 unsolved in 88 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 181ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 45 ms.
Support contains 1 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 190/190 transitions.
Applied a total of 0 rules in 3 ms. Remains 49 /49 variables (removed 0) and now considering 190/190 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 49/49 places, 190/190 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 190/190 transitions.
Applied a total of 0 rules in 3 ms. Remains 49 /49 variables (removed 0) and now considering 190/190 (removed 0) transitions.
[2025-06-01 10:02:40] [INFO ] Flow matrix only has 141 transitions (discarded 49 similar events)
[2025-06-01 10:02:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 10:02:40] [INFO ] Implicit Places using invariants in 49 ms returned []
[2025-06-01 10:02:40] [INFO ] Flow matrix only has 141 transitions (discarded 49 similar events)
[2025-06-01 10:02:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 10:02:41] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-06-01 10:02:41] [INFO ] Implicit Places using invariants and state equation in 103 ms returned []
Implicit Place search using SMT with State Equation took 154 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 10:02:41] [INFO ] Redundant transitions in 1 ms returned []
Running 188 sub problems to find dead transitions.
[2025-06-01 10:02:41] [INFO ] Flow matrix only has 141 transitions (discarded 49 similar events)
[2025-06-01 10:02:41] [INFO ] Invariant cache hit.
[2025-06-01 10:02:41] [INFO ] State equation strengthened by 26 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/49 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 3 (OVERLAPS) 141/190 variables, 49/51 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/190 variables, 26/77 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 188 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/190 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 188 unsolved
No progress, stopping.
After SMT solving in domain Real declared 190/190 variables, and 77 constraints, problems are : Problem set: 0 solved, 188 unsolved in 3072 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 188/188 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 188 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/49 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 3 (OVERLAPS) 141/190 variables, 49/51 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/190 variables, 26/77 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 188/265 constraints. Problems are: Problem set: 0 solved, 188 unsolved
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :9.85937e+06 after 1.9878e+07
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 7 (OVERLAPS) 0/190 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 188 unsolved
No progress, stopping.
After SMT solving in domain Int declared 190/190 variables, and 265 constraints, problems are : Problem set: 0 solved, 188 unsolved in 17586 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 188/188 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 20703ms problems are : Problem set: 0 solved, 188 unsolved
Search for dead transitions found 0 dead transitions in 20705ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 20869 ms. Remains : 49/49 places, 190/190 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 49 transitions
Reduce isomorphic transitions removed 49 transitions.
Iterating post reduction 0 with 49 rules applied. Total rules applied 49 place count 49 transition count 141
Performed 10 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 10 Pre rules applied. Total rules applied 49 place count 49 transition count 131
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 1 with 20 rules applied. Total rules applied 69 place count 39 transition count 131
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 73 place count 37 transition count 129
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 74 place count 36 transition count 125
Iterating global reduction 1 with 1 rules applied. Total rules applied 75 place count 36 transition count 125
Applied a total of 75 rules in 16 ms. Remains 36 /49 variables (removed 13) and now considering 125/190 (removed 65) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 125 rows 36 cols
[2025-06-01 10:03:01] [INFO ] Computed 2 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 10:03:01] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2025-06-01 10:03:01] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-01 10:03:01] [INFO ] After 58ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 10:03:01] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2025-06-01 10:03:01] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 10:03:01] [INFO ] After 21ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-01 10:03:01] [INFO ] After 26ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-01 10:03:01] [INFO ] After 67ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-01 10:03:01] [INFO ] Flatten gal took : 6 ms
[2025-06-01 10:03:01] [INFO ] Flatten gal took : 11 ms
[2025-06-01 10:03:01] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13713995092221792051.gal : 1 ms
[2025-06-01 10:03:01] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14488578169374781399.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality13713995092221792051.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14488578169374781399.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality14488578169374781399.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 175
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :175 after 3047
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :3047 after 172196
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :172196 after 1.2704e+06
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :1.2704e+06 after 6.33955e+06
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :6.33955e+06 after 2.81134e+07
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :2.81134e+07 after 1.17572e+08
Detected timeout of ITS tools.
[2025-06-01 10:03:17] [INFO ] Flatten gal took : 10 ms
[2025-06-01 10:03:17] [INFO ] Applying decomposition
[2025-06-01 10:03:17] [INFO ] Flatten gal took : 14 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph16456265733999443918.txt' '-o' '/tmp/graph16456265733999443918.bin' '-w' '/tmp/graph16456265733999443918.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph16456265733999443918.bin' '-l' '-1' '-v' '-w' '/tmp/graph16456265733999443918.weights' '-q' '0' '-e' '0.001'
[2025-06-01 10:03:17] [INFO ] Decomposing Gal with order
[2025-06-01 10:03:17] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 10:03:17] [INFO ] Removed a total of 252 redundant transitions.
[2025-06-01 10:03:17] [INFO ] Flatten gal took : 11 ms
[2025-06-01 10:03:17] [INFO ] Fuse similar labels procedure discarded/fused a total of 12 labels/synchronizations in 3 ms.
[2025-06-01 10:03:17] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15942861736124355883.gal : 1 ms
[2025-06-01 10:03:17] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2081138988559682490.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality15942861736124355883.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2081138988559682490.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality2081138988559682490.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 15
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :15 after 30
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :30 after 189
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :189 after 4693
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :1.9878e+07 after 3.99102e+07
Detected timeout of ITS tools.
[2025-06-01 10:03:24] [INFO ] Flatten gal took : 8 ms
[2025-06-01 10:03:24] [INFO ] Applying decomposition
[2025-06-01 10:03:24] [INFO ] Flatten gal took : 8 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph6395410814934598065.txt' '-o' '/tmp/graph6395410814934598065.bin' '-w' '/tmp/graph6395410814934598065.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph6395410814934598065.bin' '-l' '-1' '-v' '-w' '/tmp/graph6395410814934598065.weights' '-q' '0' '-e' '0.001'
[2025-06-01 10:03:24] [INFO ] Decomposing Gal with order
[2025-06-01 10:03:24] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 10:03:24] [INFO ] Removed a total of 397 redundant transitions.
[2025-06-01 10:03:24] [INFO ] Flatten gal took : 15 ms
[2025-06-01 10:03:24] [INFO ] Fuse similar labels procedure discarded/fused a total of 16 labels/synchronizations in 4 ms.
[2025-06-01 10:03:24] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4878405960856707151.gal : 2 ms
[2025-06-01 10:03:24] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1813804017765463639.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality4878405960856707151.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1813804017765463639.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...307
Loading property file /tmp/ReachabilityCardinality1813804017765463639.prop.
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30380 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:[16] Max Struct:[+inf]
Ending property specific reduction for DoubleLock-PT-p2s1-UpperBounds-04 in 104416 ms.
Starting property specific reduction for DoubleLock-PT-p2s1-UpperBounds-06
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 10:03:32] [INFO ] Flow matrix only has 141 transitions (discarded 49 similar events)
// Phase 1: matrix 141 rows 49 cols
[2025-06-01 10:03:32] [INFO ] Computed 2 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (31 resets) in 19 ms. (500 steps per ms)
BEST_FIRST walk for 10001 steps (6 resets) in 5 ms. (1666 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[14] Max Struct:[+inf]
[2025-06-01 10:03:32] [INFO ] Flow matrix only has 141 transitions (discarded 49 similar events)
[2025-06-01 10:03:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 10:03:32] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-01 10:03:32] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 10:03:32] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2025-06-01 10:03:32] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 10:03:32] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-01 10:03:32] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 10:03:32] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2025-06-01 10:03:32] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-06-01 10:03:32] [INFO ] [Nat]Added 26 Read/Feed constraints in 4 ms returned sat
[2025-06-01 10:03:32] [INFO ] Computed and/alt/rep : 60/382/60 causal constraints (skipped 79 transitions) in 6 ms.
[2025-06-01 10:03:32] [INFO ] Added : 25 causal constraints over 5 iterations in 70 ms. Result :sat
Minimization took 37 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[14] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[14] Max Struct:[+inf]
Support contains 1 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 190/190 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 49 transition count 188
Applied a total of 2 rules in 4 ms. Remains 49 /49 variables (removed 0) and now considering 188/190 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 49/49 places, 188/190 transitions.
[2025-06-01 10:03:32] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {11=1, 23=1, 84=1, 85=1, 132=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {11=1, 23=1, 87=1, 88=1, 134=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 1) seen :[6]
Current structural bounds on expressions (after cover walk) : Max Seen:[14] Max Struct:[+inf]
[2025-06-01 10:03:32] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
// Phase 1: matrix 139 rows 49 cols
[2025-06-01 10:03:32] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[14] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1535 ms. (651 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 477 ms. (2092 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1431] Max Struct:[+inf]
[2025-06-01 10:03:34] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:03:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 10:03:34] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 10:03:34] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2025-06-01 10:03:34] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 10:03:34] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 10:03:34] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2025-06-01 10:03:34] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-06-01 10:03:34] [INFO ] [Nat]Added 26 Read/Feed constraints in 13 ms returned sat
[2025-06-01 10:03:34] [INFO ] Computed and/alt/rep : 59/378/59 causal constraints (skipped 78 transitions) in 8 ms.
[2025-06-01 10:03:34] [INFO ] Added : 16 causal constraints over 4 iterations in 57 ms. Result :sat
Minimization took 31 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1431] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1431] Max Struct:[+inf]
Support contains 1 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 3 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 49/49 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 3 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2025-06-01 10:03:36] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:03:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 10:03:36] [INFO ] Implicit Places using invariants in 43 ms returned []
[2025-06-01 10:03:36] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:03:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 10:03:36] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-06-01 10:03:36] [INFO ] Implicit Places using invariants and state equation in 100 ms returned []
Implicit Place search using SMT with State Equation took 144 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 10:03:36] [INFO ] Redundant transitions in 0 ms returned []
Running 186 sub problems to find dead transitions.
[2025-06-01 10:03:36] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:03:36] [INFO ] Invariant cache hit.
[2025-06-01 10:03:36] [INFO ] State equation strengthened by 26 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (OVERLAPS) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 78 constraints, problems are : Problem set: 0 solved, 186 unsolved in 2010 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 186 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 186/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 6 (OVERLAPS) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 264 constraints, problems are : Problem set: 0 solved, 186 unsolved in 6136 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8185ms problems are : Problem set: 0 solved, 186 unsolved
Search for dead transitions found 0 dead transitions in 8185ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8341 ms. Remains : 49/49 places, 188/188 transitions.
[2025-06-01 10:03:45] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {11=1, 23=1, 84=1, 85=1, 132=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {11=1, 23=1, 87=1, 88=1, 134=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 1) seen :[6]
Current structural bounds on expressions (after cover walk) : Max Seen:[1431] Max Struct:[+inf]
[2025-06-01 10:03:45] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:03:45] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1431] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1507 ms. (663 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 478 ms. (2087 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1754] Max Struct:[+inf]
[2025-06-01 10:03:47] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:03:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 10:03:47] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 10:03:47] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2025-06-01 10:03:47] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 10:03:47] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 10:03:47] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2025-06-01 10:03:47] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-06-01 10:03:47] [INFO ] [Nat]Added 26 Read/Feed constraints in 6 ms returned sat
[2025-06-01 10:03:47] [INFO ] Computed and/alt/rep : 59/378/59 causal constraints (skipped 78 transitions) in 6 ms.
[2025-06-01 10:03:47] [INFO ] Added : 13 causal constraints over 3 iterations in 40 ms. Result :sat
Minimization took 33 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1754] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1754] Max Struct:[+inf]
Support contains 1 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 2 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 49/49 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 3 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2025-06-01 10:03:50] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:03:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 10:03:50] [INFO ] Implicit Places using invariants in 52 ms returned []
[2025-06-01 10:03:50] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:03:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 10:03:50] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-06-01 10:03:50] [INFO ] Implicit Places using invariants and state equation in 104 ms returned []
Implicit Place search using SMT with State Equation took 168 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 10:03:50] [INFO ] Redundant transitions in 0 ms returned []
Running 186 sub problems to find dead transitions.
[2025-06-01 10:03:50] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:03:50] [INFO ] Invariant cache hit.
[2025-06-01 10:03:50] [INFO ] State equation strengthened by 26 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (OVERLAPS) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 78 constraints, problems are : Problem set: 0 solved, 186 unsolved in 1963 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 186 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 186/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 6 (OVERLAPS) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 264 constraints, problems are : Problem set: 0 solved, 186 unsolved in 6132 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8134ms problems are : Problem set: 0 solved, 186 unsolved
Search for dead transitions found 0 dead transitions in 8134ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8309 ms. Remains : 49/49 places, 188/188 transitions.
[2025-06-01 10:03:58] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {11=1, 23=1, 84=1, 85=1, 132=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {11=1, 23=1, 87=1, 88=1, 134=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 1) seen :[6]
Current structural bounds on expressions (after cover walk) : Max Seen:[1754] Max Struct:[+inf]
[2025-06-01 10:03:58] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:03:58] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1754] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1513 ms. (660 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 476 ms. (2096 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1754] Max Struct:[+inf]
[2025-06-01 10:04:00] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:04:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 10:04:00] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 10:04:00] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2025-06-01 10:04:00] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 10:04:00] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 10:04:00] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2025-06-01 10:04:00] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-06-01 10:04:00] [INFO ] [Nat]Added 26 Read/Feed constraints in 5 ms returned sat
[2025-06-01 10:04:00] [INFO ] Computed and/alt/rep : 59/378/59 causal constraints (skipped 78 transitions) in 7 ms.
[2025-06-01 10:04:00] [INFO ] Added : 13 causal constraints over 3 iterations in 41 ms. Result :sat
Minimization took 32 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1754] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1754] Max Struct:[+inf]
Support contains 1 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 3 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 49/49 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 2 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2025-06-01 10:04:03] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:04:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 10:04:03] [INFO ] Implicit Places using invariants in 44 ms returned []
[2025-06-01 10:04:03] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:04:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 10:04:03] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-06-01 10:04:03] [INFO ] Implicit Places using invariants and state equation in 99 ms returned []
Implicit Place search using SMT with State Equation took 145 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 10:04:03] [INFO ] Redundant transitions in 1 ms returned []
Running 186 sub problems to find dead transitions.
[2025-06-01 10:04:03] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:04:03] [INFO ] Invariant cache hit.
[2025-06-01 10:04:03] [INFO ] State equation strengthened by 26 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (OVERLAPS) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 78 constraints, problems are : Problem set: 0 solved, 186 unsolved in 1937 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 186 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 186/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 6 (OVERLAPS) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 264 constraints, problems are : Problem set: 0 solved, 186 unsolved in 6145 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8124ms problems are : Problem set: 0 solved, 186 unsolved
Search for dead transitions found 0 dead transitions in 8125ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8278 ms. Remains : 49/49 places, 188/188 transitions.
[2025-06-01 10:04:11] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {11=1, 23=1, 84=1, 85=1, 132=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {11=1, 23=1, 87=1, 88=1, 134=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 25 ms. (steps per millisecond=400 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[1754] Max Struct:[+inf]
[2025-06-01 10:04:11] [INFO ] Flatten gal took : 17 ms
[2025-06-01 10:04:11] [INFO ] Flatten gal took : 15 ms
[2025-06-01 10:04:11] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2972490606567522919.gal : 1 ms
[2025-06-01 10:04:11] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality18309534373574610218.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality2972490606567522919.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality18309534373574610218.prop' '--nowitness' '--gen-order' 'FOLLOW'
RANDOM walk for 40000 steps (8 resets) in 130 ms. (305 steps per ms) remains 1/1 properties

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality18309534373574610218.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :9 after 30
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :30 after 64
BEST_FIRST walk for 40003 steps (8 resets) in 28 ms. (1379 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :64 after 13129
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :13129 after 853328
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :853328 after 7.26614e+06
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :7.26614e+06 after 3.5404e+07
Interrupted probabilistic random walk after 2191609 steps, run timeout after 3001 ms. (steps per millisecond=730 ) properties seen :0 out of 1
Probabilistic random walk after 2191609 steps, saw 1398494 distinct states, run finished after 3001 ms. (steps per millisecond=730 ) properties seen :0
[2025-06-01 10:04:14] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:04:14] [INFO ] Invariant cache hit.
[2025-06-01 10:04:14] [INFO ] State equation strengthened by 26 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 12/13 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/13 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 120/133 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/133 variables, 7/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/133 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 17/150 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/150 variables, 5/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/150 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 38/188 variables, 33/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/188 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/188 variables, 19/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 78 constraints, problems are : Problem set: 0 solved, 1 unsolved in 65 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 12/13 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/13 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 120/133 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/133 variables, 7/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/133 variables, 1/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/133 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 17/150 variables, 2/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/150 variables, 5/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/150 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 38/188 variables, 33/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/188 variables, 1/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/188 variables, 19/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 10:04:14] [INFO ] Deduced a trap along path composed of 4 places in 26 ms of which 4 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/188 variables, 1/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/188 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/188 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 80 constraints, problems are : Problem set: 0 solved, 1 unsolved in 147 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 225ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 1223 ms.
Support contains 1 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 2 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 49/49 places, 188/188 transitions.
RANDOM walk for 40001 steps (8 resets) in 108 ms. (366 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 27 ms. (1428 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2186016 steps, run timeout after 3001 ms. (steps per millisecond=728 ) properties seen :0 out of 1
Probabilistic random walk after 2186016 steps, saw 1395018 distinct states, run finished after 3001 ms. (steps per millisecond=728 ) properties seen :0
[2025-06-01 10:04:19] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:04:19] [INFO ] Invariant cache hit.
[2025-06-01 10:04:19] [INFO ] State equation strengthened by 26 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 12/13 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/13 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 120/133 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/133 variables, 7/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/133 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 17/150 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/150 variables, 5/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/150 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 38/188 variables, 33/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/188 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/188 variables, 19/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 78 constraints, problems are : Problem set: 0 solved, 1 unsolved in 98 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 12/13 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/13 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 120/133 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/133 variables, 7/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/133 variables, 1/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/133 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 17/150 variables, 2/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/150 variables, 5/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/150 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 38/188 variables, 33/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/188 variables, 1/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/188 variables, 19/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 10:04:19] [INFO ] Deduced a trap along path composed of 4 places in 18 ms of which 3 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/188 variables, 1/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/188 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/188 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 80 constraints, problems are : Problem set: 0 solved, 1 unsolved in 139 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 245ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 1268 ms.
Support contains 1 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 4 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 49/49 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 1 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2025-06-01 10:04:20] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:04:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 10:04:20] [INFO ] Implicit Places using invariants in 92 ms returned []
[2025-06-01 10:04:20] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:04:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 10:04:20] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-06-01 10:04:21] [INFO ] Implicit Places using invariants and state equation in 134 ms returned []
Implicit Place search using SMT with State Equation took 227 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 10:04:21] [INFO ] Redundant transitions in 1 ms returned []
Running 186 sub problems to find dead transitions.
[2025-06-01 10:04:21] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:04:21] [INFO ] Invariant cache hit.
[2025-06-01 10:04:21] [INFO ] State equation strengthened by 26 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :3.5404e+07 after 1.52093e+08
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (OVERLAPS) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 78 constraints, problems are : Problem set: 0 solved, 186 unsolved in 1919 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 186 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 186/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 6 (OVERLAPS) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 264 constraints, problems are : Problem set: 0 solved, 186 unsolved in 6220 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8177ms problems are : Problem set: 0 solved, 186 unsolved
Search for dead transitions found 0 dead transitions in 8178ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8414 ms. Remains : 49/49 places, 188/188 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 49 transitions
Reduce isomorphic transitions removed 49 transitions.
Iterating post reduction 0 with 49 rules applied. Total rules applied 49 place count 49 transition count 139
Performed 11 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 11 Pre rules applied. Total rules applied 49 place count 49 transition count 128
Deduced a syphon composed of 11 places in 0 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 1 with 22 rules applied. Total rules applied 71 place count 38 transition count 128
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 75 place count 36 transition count 126
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 76 place count 35 transition count 122
Iterating global reduction 1 with 1 rules applied. Total rules applied 77 place count 35 transition count 122
Applied a total of 77 rules in 11 ms. Remains 35 /49 variables (removed 14) and now considering 122/188 (removed 66) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 122 rows 35 cols
[2025-06-01 10:04:29] [INFO ] Computed 3 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 10:04:29] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 10:04:29] [INFO ] After 67ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 10:04:29] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 10:04:29] [INFO ] After 21ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-01 10:04:29] [INFO ] After 26ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-01 10:04:29] [INFO ] After 64ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-01 10:04:29] [INFO ] Flatten gal took : 10 ms
[2025-06-01 10:04:29] [INFO ] Flatten gal took : 5 ms
[2025-06-01 10:04:29] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6123745268352291903.gal : 1 ms
[2025-06-01 10:04:29] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6187605102537566121.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality6123745268352291903.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6187605102537566121.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality6187605102537566121.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 175
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :175 after 4653
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :4653 after 191543
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :191543 after 1.30588e+06
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :1.30588e+06 after 6.4495e+06
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :6.4495e+06 after 2.82981e+07
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :2.82981e+07 after 1.18042e+08
Detected timeout of ITS tools.
[2025-06-01 10:04:44] [INFO ] Flatten gal took : 6 ms
[2025-06-01 10:04:44] [INFO ] Applying decomposition
[2025-06-01 10:04:44] [INFO ] Flatten gal took : 10 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph4257268886473120667.txt' '-o' '/tmp/graph4257268886473120667.bin' '-w' '/tmp/graph4257268886473120667.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph4257268886473120667.bin' '-l' '-1' '-v' '-w' '/tmp/graph4257268886473120667.weights' '-q' '0' '-e' '0.001'
[2025-06-01 10:04:44] [INFO ] Decomposing Gal with order
[2025-06-01 10:04:44] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 10:04:44] [INFO ] Removed a total of 249 redundant transitions.
[2025-06-01 10:04:44] [INFO ] Flatten gal took : 21 ms
[2025-06-01 10:04:44] [INFO ] Fuse similar labels procedure discarded/fused a total of 14 labels/synchronizations in 3 ms.
[2025-06-01 10:04:44] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12877912764624358844.gal : 1 ms
[2025-06-01 10:04:44] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality79315413736987164.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality12877912764624358844.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality79315413736987164.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...306
Loading property file /tmp/ReachabilityCardinality79315413736987164.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 63
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :1.52093e+08 after 6.26442e+08
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30350 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2025-06-01 10:04:59] [INFO ] Flatten gal took : 13 ms
[2025-06-01 10:04:59] [INFO ] Applying decomposition
[2025-06-01 10:04:59] [INFO ] Flatten gal took : 6 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph16886900109236222621.txt' '-o' '/tmp/graph16886900109236222621.bin' '-w' '/tmp/graph16886900109236222621.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph16886900109236222621.bin' '-l' '-1' '-v' '-w' '/tmp/graph16886900109236222621.weights' '-q' '0' '-e' '0.001'
[2025-06-01 10:04:59] [INFO ] Decomposing Gal with order
[2025-06-01 10:04:59] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 10:04:59] [INFO ] Removed a total of 394 redundant transitions.
[2025-06-01 10:04:59] [INFO ] Flatten gal took : 26 ms
[2025-06-01 10:04:59] [INFO ] Fuse similar labels procedure discarded/fused a total of 16 labels/synchronizations in 4 ms.
[2025-06-01 10:04:59] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13787120843169683965.gal : 4 ms
[2025-06-01 10:04:59] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13404939019221992838.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality13787120843169683965.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13404939019221992838.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...309
Loading property file /tmp/ReachabilityCardinality13404939019221992838.prop.
Detected timeout of ITS tools.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[1754] Max Struct:[+inf]
Ending property specific reduction for DoubleLock-PT-p2s1-UpperBounds-06 in 137601 ms.
Starting property specific reduction for DoubleLock-PT-p2s1-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 10:05:49] [INFO ] Flow matrix only has 141 transitions (discarded 49 similar events)
// Phase 1: matrix 141 rows 49 cols
[2025-06-01 10:05:49] [INFO ] Computed 2 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (31 resets) in 16 ms. (588 steps per ms)
BEST_FIRST walk for 10001 steps (4 resets) in 5 ms. (1666 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[22] Max Struct:[+inf]
[2025-06-01 10:05:49] [INFO ] Flow matrix only has 141 transitions (discarded 49 similar events)
[2025-06-01 10:05:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 10:05:49] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-01 10:05:49] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 10:05:49] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2025-06-01 10:05:49] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 10:05:49] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-01 10:05:49] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-01 10:05:49] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2025-06-01 10:05:49] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-06-01 10:05:49] [INFO ] [Nat]Added 26 Read/Feed constraints in 7 ms returned sat
[2025-06-01 10:05:49] [INFO ] Computed and/alt/rep : 60/382/60 causal constraints (skipped 79 transitions) in 8 ms.
[2025-06-01 10:05:49] [INFO ] Added : 9 causal constraints over 2 iterations in 34 ms. Result :sat
Minimization took 35 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[22] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[22] Max Struct:[+inf]
Support contains 1 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 190/190 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 49 transition count 188
Applied a total of 2 rules in 3 ms. Remains 49 /49 variables (removed 0) and now considering 188/190 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 49/49 places, 188/190 transitions.
[2025-06-01 10:05:50] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {11=1, 23=1, 84=1, 85=1, 132=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {11=1, 23=1, 87=1, 88=1, 134=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 17 ms. (steps per millisecond=588 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[22] Max Struct:[+inf]
[2025-06-01 10:05:50] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
// Phase 1: matrix 139 rows 49 cols
[2025-06-01 10:05:50] [INFO ] Computed 3 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[22] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1507 ms. (663 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 471 ms. (2118 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1432] Max Struct:[+inf]
[2025-06-01 10:05:52] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:05:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 10:05:52] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 10:05:52] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2025-06-01 10:05:52] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-06-01 10:05:52] [INFO ] [Real]Added 26 Read/Feed constraints in 7 ms returned sat
[2025-06-01 10:05:52] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 10:05:52] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 10:05:52] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2025-06-01 10:05:52] [INFO ] [Nat]Added 26 Read/Feed constraints in 5 ms returned sat
[2025-06-01 10:05:52] [INFO ] Computed and/alt/rep : 59/378/59 causal constraints (skipped 78 transitions) in 7 ms.
[2025-06-01 10:05:52] [INFO ] Added : 27 causal constraints over 6 iterations in 75 ms. Result :sat
Minimization took 35 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1432] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1432] Max Struct:[+inf]
Support contains 1 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 4 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 49/49 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 3 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2025-06-01 10:05:53] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:05:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 10:05:53] [INFO ] Implicit Places using invariants in 43 ms returned []
[2025-06-01 10:05:53] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:05:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 10:05:53] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-06-01 10:05:53] [INFO ] Implicit Places using invariants and state equation in 100 ms returned []
Implicit Place search using SMT with State Equation took 144 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 10:05:53] [INFO ] Redundant transitions in 0 ms returned []
Running 186 sub problems to find dead transitions.
[2025-06-01 10:05:53] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:05:53] [INFO ] Invariant cache hit.
[2025-06-01 10:05:53] [INFO ] State equation strengthened by 26 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (OVERLAPS) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 78 constraints, problems are : Problem set: 0 solved, 186 unsolved in 1948 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 186 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 186/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 6 (OVERLAPS) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 264 constraints, problems are : Problem set: 0 solved, 186 unsolved in 6117 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8102ms problems are : Problem set: 0 solved, 186 unsolved
Search for dead transitions found 0 dead transitions in 8103ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8255 ms. Remains : 49/49 places, 188/188 transitions.
[2025-06-01 10:06:02] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {11=1, 23=1, 84=1, 85=1, 132=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {11=1, 23=1, 87=1, 88=1, 134=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 1) seen :[5]
Current structural bounds on expressions (after cover walk) : Max Seen:[1432] Max Struct:[+inf]
[2025-06-01 10:06:02] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:06:02] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1432] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1527 ms. (654 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 468 ms. (2132 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1495] Max Struct:[+inf]
[2025-06-01 10:06:04] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:06:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 10:06:04] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 10:06:04] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2025-06-01 10:06:04] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 10:06:04] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 10:06:04] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2025-06-01 10:06:04] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-06-01 10:06:04] [INFO ] [Nat]Added 26 Read/Feed constraints in 4 ms returned sat
[2025-06-01 10:06:04] [INFO ] Computed and/alt/rep : 59/378/59 causal constraints (skipped 78 transitions) in 12 ms.
[2025-06-01 10:06:04] [INFO ] Added : 27 causal constraints over 7 iterations in 90 ms. Result :sat
Minimization took 36 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1495] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1495] Max Struct:[+inf]
Support contains 1 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 4 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 49/49 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 2 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2025-06-01 10:06:04] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:06:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 10:06:04] [INFO ] Implicit Places using invariants in 39 ms returned []
[2025-06-01 10:06:04] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:06:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 10:06:04] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-06-01 10:06:04] [INFO ] Implicit Places using invariants and state equation in 102 ms returned []
Implicit Place search using SMT with State Equation took 141 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 10:06:04] [INFO ] Redundant transitions in 1 ms returned []
Running 186 sub problems to find dead transitions.
[2025-06-01 10:06:04] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:06:04] [INFO ] Invariant cache hit.
[2025-06-01 10:06:04] [INFO ] State equation strengthened by 26 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (OVERLAPS) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 78 constraints, problems are : Problem set: 0 solved, 186 unsolved in 1961 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 186 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 186/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 6 (OVERLAPS) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 264 constraints, problems are : Problem set: 0 solved, 186 unsolved in 5946 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 7942ms problems are : Problem set: 0 solved, 186 unsolved
Search for dead transitions found 0 dead transitions in 7942ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8090 ms. Remains : 49/49 places, 188/188 transitions.
[2025-06-01 10:06:12] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {11=1, 23=1, 84=1, 85=1, 132=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {11=1, 23=1, 87=1, 88=1, 134=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=526 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[1495] Max Struct:[+inf]
[2025-06-01 10:06:12] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:06:12] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1495] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1548 ms. (645 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 432 ms. (2309 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1627] Max Struct:[+inf]
[2025-06-01 10:06:14] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:06:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 10:06:14] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 10:06:14] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2025-06-01 10:06:14] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 10:06:14] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 10:06:14] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2025-06-01 10:06:14] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-06-01 10:06:14] [INFO ] [Nat]Added 26 Read/Feed constraints in 10 ms returned sat
[2025-06-01 10:06:14] [INFO ] Computed and/alt/rep : 59/378/59 causal constraints (skipped 78 transitions) in 8 ms.
[2025-06-01 10:06:14] [INFO ] Added : 27 causal constraints over 7 iterations in 81 ms. Result :sat
Minimization took 43 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1627] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1627] Max Struct:[+inf]
Support contains 1 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 3 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 49/49 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 2 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2025-06-01 10:06:14] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:06:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 10:06:14] [INFO ] Implicit Places using invariants in 38 ms returned []
[2025-06-01 10:06:14] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:06:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 10:06:14] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-06-01 10:06:14] [INFO ] Implicit Places using invariants and state equation in 96 ms returned []
Implicit Place search using SMT with State Equation took 134 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 10:06:14] [INFO ] Redundant transitions in 0 ms returned []
Running 186 sub problems to find dead transitions.
[2025-06-01 10:06:14] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:06:14] [INFO ] Invariant cache hit.
[2025-06-01 10:06:14] [INFO ] State equation strengthened by 26 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (OVERLAPS) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 78 constraints, problems are : Problem set: 0 solved, 186 unsolved in 1972 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 186 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 186/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 6 (OVERLAPS) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 264 constraints, problems are : Problem set: 0 solved, 186 unsolved in 6229 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8238ms problems are : Problem set: 0 solved, 186 unsolved
Search for dead transitions found 0 dead transitions in 8239ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8381 ms. Remains : 49/49 places, 188/188 transitions.
[2025-06-01 10:06:23] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {11=1, 23=1, 84=1, 85=1, 132=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {11=1, 23=1, 87=1, 88=1, 134=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 1) seen :[5]
Current structural bounds on expressions (after cover walk) : Max Seen:[1627] Max Struct:[+inf]
[2025-06-01 10:06:23] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:06:23] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1627] Max Struct:[+inf]
RANDOM walk for 1000001 steps (2 resets) in 1483 ms. (673 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 446 ms. (2237 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1627] Max Struct:[+inf]
[2025-06-01 10:06:25] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:06:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 10:06:25] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 10:06:25] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2025-06-01 10:06:25] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 10:06:25] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 10:06:25] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2025-06-01 10:06:25] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-06-01 10:06:25] [INFO ] [Nat]Added 26 Read/Feed constraints in 11 ms returned sat
[2025-06-01 10:06:25] [INFO ] Computed and/alt/rep : 59/378/59 causal constraints (skipped 78 transitions) in 8 ms.
[2025-06-01 10:06:25] [INFO ] Added : 27 causal constraints over 7 iterations in 79 ms. Result :sat
Minimization took 35 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1627] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1627] Max Struct:[+inf]
Support contains 1 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 4 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 49/49 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 3 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2025-06-01 10:06:25] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:06:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 10:06:25] [INFO ] Implicit Places using invariants in 45 ms returned []
[2025-06-01 10:06:25] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:06:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 10:06:25] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-06-01 10:06:25] [INFO ] Implicit Places using invariants and state equation in 101 ms returned []
Implicit Place search using SMT with State Equation took 167 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 10:06:25] [INFO ] Redundant transitions in 1 ms returned []
Running 186 sub problems to find dead transitions.
[2025-06-01 10:06:25] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:06:25] [INFO ] Invariant cache hit.
[2025-06-01 10:06:25] [INFO ] State equation strengthened by 26 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (OVERLAPS) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 78 constraints, problems are : Problem set: 0 solved, 186 unsolved in 1963 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 186 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 186/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 6 (OVERLAPS) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 264 constraints, problems are : Problem set: 0 solved, 186 unsolved in 6244 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8248ms problems are : Problem set: 0 solved, 186 unsolved
Search for dead transitions found 0 dead transitions in 8251ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8428 ms. Remains : 49/49 places, 188/188 transitions.
[2025-06-01 10:06:33] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {11=1, 23=1, 84=1, 85=1, 132=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {11=1, 23=1, 87=1, 88=1, 134=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=769 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[1627] Max Struct:[+inf]
[2025-06-01 10:06:33] [INFO ] Flatten gal took : 20 ms
[2025-06-01 10:06:33] [INFO ] Flatten gal took : 5 ms
[2025-06-01 10:06:33] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11390042891767596699.gal : 1 ms
[2025-06-01 10:06:33] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16973470173275287524.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality11390042891767596699.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16973470173275287524.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
RANDOM walk for 40000 steps (8 resets) in 111 ms. (357 steps per ms) remains 1/1 properties
Loading property file /tmp/ReachabilityCardinality16973470173275287524.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :9 after 30
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :30 after 64
BEST_FIRST walk for 40003 steps (8 resets) in 35 ms. (1111 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :64 after 13129
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :13129 after 853328
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :853328 after 7.26614e+06
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :7.26614e+06 after 3.5404e+07
Interrupted probabilistic random walk after 2182925 steps, run timeout after 3001 ms. (steps per millisecond=727 ) properties seen :0 out of 1
Probabilistic random walk after 2182925 steps, saw 1392977 distinct states, run finished after 3001 ms. (steps per millisecond=727 ) properties seen :0
[2025-06-01 10:06:36] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:06:36] [INFO ] Invariant cache hit.
[2025-06-01 10:06:36] [INFO ] State equation strengthened by 26 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 16/17 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 112/129 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/129 variables, 7/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/129 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 22/151 variables, 2/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/151 variables, 8/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/151 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 37/188 variables, 34/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/188 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/188 variables, 19/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 78 constraints, problems are : Problem set: 0 solved, 1 unsolved in 174 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 16/17 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 112/129 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/129 variables, 7/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/129 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/129 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 22/151 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/151 variables, 8/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/151 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 37/188 variables, 34/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/188 variables, 1/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/188 variables, 19/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/188 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/188 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 79 constraints, problems are : Problem set: 0 solved, 1 unsolved in 88 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 276ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 0 ms.
Support contains 1 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 2 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 49/49 places, 188/188 transitions.
RANDOM walk for 40000 steps (8 resets) in 97 ms. (408 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 39 ms. (1000 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2237754 steps, run timeout after 3001 ms. (steps per millisecond=745 ) properties seen :0 out of 1
Probabilistic random walk after 2237754 steps, saw 1426927 distinct states, run finished after 3003 ms. (steps per millisecond=745 ) properties seen :0
[2025-06-01 10:06:40] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:06:40] [INFO ] Invariant cache hit.
[2025-06-01 10:06:40] [INFO ] State equation strengthened by 26 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 16/17 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 112/129 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/129 variables, 7/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/129 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 22/151 variables, 2/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/151 variables, 8/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/151 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 37/188 variables, 34/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/188 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/188 variables, 19/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 78 constraints, problems are : Problem set: 0 solved, 1 unsolved in 67 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 16/17 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 112/129 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/129 variables, 7/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/129 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/129 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 22/151 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/151 variables, 8/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/151 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 37/188 variables, 34/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/188 variables, 1/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/188 variables, 19/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/188 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/188 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 79 constraints, problems are : Problem set: 0 solved, 1 unsolved in 86 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 159ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 0 ms.
Support contains 1 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 3 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 49/49 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 3 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2025-06-01 10:06:40] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:06:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 10:06:40] [INFO ] Implicit Places using invariants in 51 ms returned []
[2025-06-01 10:06:40] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:06:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 10:06:40] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-06-01 10:06:40] [INFO ] Implicit Places using invariants and state equation in 97 ms returned []
Implicit Place search using SMT with State Equation took 149 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 10:06:40] [INFO ] Redundant transitions in 1 ms returned []
Running 186 sub problems to find dead transitions.
[2025-06-01 10:06:40] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:06:40] [INFO ] Invariant cache hit.
[2025-06-01 10:06:40] [INFO ] State equation strengthened by 26 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (OVERLAPS) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 78 constraints, problems are : Problem set: 0 solved, 186 unsolved in 1984 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 186 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 186/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :3.5404e+07 after 1.52093e+08
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 6 (OVERLAPS) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 264 constraints, problems are : Problem set: 0 solved, 186 unsolved in 6130 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8157ms problems are : Problem set: 0 solved, 186 unsolved
Search for dead transitions found 0 dead transitions in 8159ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8321 ms. Remains : 49/49 places, 188/188 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 49 transitions
Reduce isomorphic transitions removed 49 transitions.
Iterating post reduction 0 with 49 rules applied. Total rules applied 49 place count 49 transition count 139
Performed 11 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 11 Pre rules applied. Total rules applied 49 place count 49 transition count 128
Deduced a syphon composed of 11 places in 0 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 1 with 22 rules applied. Total rules applied 71 place count 38 transition count 128
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 75 place count 36 transition count 126
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 76 place count 35 transition count 122
Iterating global reduction 1 with 1 rules applied. Total rules applied 77 place count 35 transition count 122
Applied a total of 77 rules in 7 ms. Remains 35 /49 variables (removed 14) and now considering 122/188 (removed 66) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 122 rows 35 cols
[2025-06-01 10:06:48] [INFO ] Computed 3 invariants in 0 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 10:06:48] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 10:06:48] [INFO ] After 20ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-01 10:06:48] [INFO ] After 34ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-01 10:06:48] [INFO ] After 53ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 10:06:48] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 10:06:48] [INFO ] After 41ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-01 10:06:48] [INFO ] After 45ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-01 10:06:48] [INFO ] After 76ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-01 10:06:48] [INFO ] Flatten gal took : 4 ms
[2025-06-01 10:06:48] [INFO ] Flatten gal took : 4 ms
[2025-06-01 10:06:48] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10904228583912650240.gal : 0 ms
[2025-06-01 10:06:48] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality681274039748536941.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality10904228583912650240.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality681274039748536941.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality681274039748536941.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 175
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :175 after 4653
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :4653 after 191543
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :191543 after 1.30588e+06
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :1.30588e+06 after 6.4495e+06
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :6.4495e+06 after 2.82981e+07
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :2.82981e+07 after 1.18042e+08
Detected timeout of ITS tools.
[2025-06-01 10:07:04] [INFO ] Flatten gal took : 9 ms
[2025-06-01 10:07:04] [INFO ] Applying decomposition
[2025-06-01 10:07:04] [INFO ] Flatten gal took : 4 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph7721922926659951932.txt' '-o' '/tmp/graph7721922926659951932.bin' '-w' '/tmp/graph7721922926659951932.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph7721922926659951932.bin' '-l' '-1' '-v' '-w' '/tmp/graph7721922926659951932.weights' '-q' '0' '-e' '0.001'
[2025-06-01 10:07:04] [INFO ] Decomposing Gal with order
[2025-06-01 10:07:04] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 10:07:04] [INFO ] Removed a total of 249 redundant transitions.
[2025-06-01 10:07:04] [INFO ] Flatten gal took : 7 ms
[2025-06-01 10:07:04] [INFO ] Fuse similar labels procedure discarded/fused a total of 14 labels/synchronizations in 2 ms.
[2025-06-01 10:07:04] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13376574638232366632.gal : 0 ms
[2025-06-01 10:07:04] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4882841865121451701.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality13376574638232366632.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4882841865121451701.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality4882841865121451701.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 15
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :15 after 30
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :30 after 189
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :189 after 10054
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :10054 after 10054
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :1.52093e+08 after 6.26442e+08
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.
[2025-06-01 10:07:19] [INFO ] Flatten gal took : 10 ms
[2025-06-01 10:07:19] [INFO ] Applying decomposition
[2025-06-01 10:07:19] [INFO ] Flatten gal took : 5 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph10026797337612802081.txt' '-o' '/tmp/graph10026797337612802081.bin' '-w' '/tmp/graph10026797337612802081.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph10026797337612802081.bin' '-l' '-1' '-v' '-w' '/tmp/graph10026797337612802081.weights' '-q' '0' '-e' '0.001'
[2025-06-01 10:07:19] [INFO ] Decomposing Gal with order
[2025-06-01 10:07:19] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 10:07:19] [INFO ] Removed a total of 394 redundant transitions.
[2025-06-01 10:07:19] [INFO ] Flatten gal took : 10 ms
[2025-06-01 10:07:19] [INFO ] Fuse similar labels procedure discarded/fused a total of 14 labels/synchronizations in 3 ms.
[2025-06-01 10:07:19] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13194744757606398113.gal : 2 ms
[2025-06-01 10:07:19] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11310079106425584955.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality13194744757606398113.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11310079106425584955.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...309
Loading property file /tmp/ReachabilityCardinality11310079106425584955.prop.
Detected timeout of ITS tools.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[1627] Max Struct:[+inf]
Ending property specific reduction for DoubleLock-PT-p2s1-UpperBounds-11 in 139472 ms.
Starting property specific reduction for DoubleLock-PT-p2s1-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 10:08:09] [INFO ] Flow matrix only has 141 transitions (discarded 49 similar events)
// Phase 1: matrix 141 rows 49 cols
[2025-06-01 10:08:09] [INFO ] Computed 2 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (30 resets) in 15 ms. (625 steps per ms)
BEST_FIRST walk for 10000 steps (3 resets) in 5 ms. (1666 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[11] Max Struct:[+inf]
[2025-06-01 10:08:09] [INFO ] Flow matrix only has 141 transitions (discarded 49 similar events)
[2025-06-01 10:08:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 10:08:09] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-01 10:08:09] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-01 10:08:09] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2025-06-01 10:08:09] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 10:08:09] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2025-06-01 10:08:09] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-01 10:08:09] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2025-06-01 10:08:09] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-06-01 10:08:09] [INFO ] [Nat]Added 26 Read/Feed constraints in 15 ms returned sat
[2025-06-01 10:08:09] [INFO ] Computed and/alt/rep : 60/382/60 causal constraints (skipped 79 transitions) in 8 ms.
[2025-06-01 10:08:09] [INFO ] Added : 22 causal constraints over 5 iterations in 64 ms. Result :sat
Minimization took 39 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[11] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[11] Max Struct:[+inf]
Support contains 1 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 190/190 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 49 transition count 188
Applied a total of 2 rules in 2 ms. Remains 49 /49 variables (removed 0) and now considering 188/190 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 49/49 places, 188/190 transitions.
[2025-06-01 10:08:09] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {11=1, 23=1, 84=1, 85=1, 132=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {11=1, 23=1, 87=1, 88=1, 134=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=526 ) properties (out of 1) seen :[5]
Current structural bounds on expressions (after cover walk) : Max Seen:[11] Max Struct:[+inf]
[2025-06-01 10:08:09] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
// Phase 1: matrix 139 rows 49 cols
[2025-06-01 10:08:09] [INFO ] Computed 3 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[11] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1520 ms. (657 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 415 ms. (2403 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[13] Max Struct:[+inf]
[2025-06-01 10:08:11] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:08:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 10:08:11] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 10:08:11] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2025-06-01 10:08:11] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 10:08:11] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 10:08:11] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2025-06-01 10:08:11] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-06-01 10:08:11] [INFO ] [Nat]Added 26 Read/Feed constraints in 6 ms returned sat
[2025-06-01 10:08:11] [INFO ] Computed and/alt/rep : 59/378/59 causal constraints (skipped 78 transitions) in 7 ms.
[2025-06-01 10:08:11] [INFO ] Added : 18 causal constraints over 4 iterations in 47 ms. Result :sat
Minimization took 33 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[13] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[13] Max Struct:[+inf]
Support contains 1 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 2 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 49/49 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 2 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2025-06-01 10:08:11] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:08:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 10:08:11] [INFO ] Implicit Places using invariants in 44 ms returned []
[2025-06-01 10:08:11] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:08:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 10:08:11] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-06-01 10:08:11] [INFO ] Implicit Places using invariants and state equation in 111 ms returned []
Implicit Place search using SMT with State Equation took 156 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 10:08:11] [INFO ] Redundant transitions in 1 ms returned []
Running 186 sub problems to find dead transitions.
[2025-06-01 10:08:11] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:08:11] [INFO ] Invariant cache hit.
[2025-06-01 10:08:11] [INFO ] State equation strengthened by 26 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (OVERLAPS) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 78 constraints, problems are : Problem set: 0 solved, 186 unsolved in 1948 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 186 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 186/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 6 (OVERLAPS) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 264 constraints, problems are : Problem set: 0 solved, 186 unsolved in 6178 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8163ms problems are : Problem set: 0 solved, 186 unsolved
Search for dead transitions found 0 dead transitions in 8165ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8328 ms. Remains : 49/49 places, 188/188 transitions.
[2025-06-01 10:08:20] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {11=1, 23=1, 84=1, 85=1, 132=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {11=1, 23=1, 87=1, 88=1, 134=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 18 ms. (steps per millisecond=555 ) properties (out of 1) seen :[6]
Current structural bounds on expressions (after cover walk) : Max Seen:[13] Max Struct:[+inf]
[2025-06-01 10:08:20] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:08:20] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[13] 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 409 ms. (2439 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[16] Max Struct:[+inf]
[2025-06-01 10:08:22] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:08:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 10:08:22] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 10:08:22] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2025-06-01 10:08:22] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-06-01 10:08:22] [INFO ] [Real]Added 26 Read/Feed constraints in 6 ms returned sat
[2025-06-01 10:08:22] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 10:08:22] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 10:08:22] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2025-06-01 10:08:22] [INFO ] [Nat]Added 26 Read/Feed constraints in 7 ms returned sat
[2025-06-01 10:08:22] [INFO ] Computed and/alt/rep : 59/378/59 causal constraints (skipped 78 transitions) in 6 ms.
[2025-06-01 10:08:22] [INFO ] Added : 21 causal constraints over 5 iterations in 57 ms. Result :sat
Minimization took 33 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[16] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[16] Max Struct:[+inf]
Support contains 1 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 2 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 49/49 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 2 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2025-06-01 10:08:22] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:08:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 10:08:22] [INFO ] Implicit Places using invariants in 77 ms returned []
[2025-06-01 10:08:22] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:08:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 10:08:22] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-06-01 10:08:22] [INFO ] Implicit Places using invariants and state equation in 99 ms returned []
Implicit Place search using SMT with State Equation took 190 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 10:08:22] [INFO ] Redundant transitions in 1 ms returned []
Running 186 sub problems to find dead transitions.
[2025-06-01 10:08:22] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:08:22] [INFO ] Invariant cache hit.
[2025-06-01 10:08:22] [INFO ] State equation strengthened by 26 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (OVERLAPS) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 78 constraints, problems are : Problem set: 0 solved, 186 unsolved in 1921 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 186 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 186/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 6 (OVERLAPS) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 264 constraints, problems are : Problem set: 0 solved, 186 unsolved in 6102 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8062ms problems are : Problem set: 0 solved, 186 unsolved
Search for dead transitions found 0 dead transitions in 8063ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8263 ms. Remains : 49/49 places, 188/188 transitions.
[2025-06-01 10:08:30] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {11=1, 23=1, 84=1, 85=1, 132=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {11=1, 23=1, 87=1, 88=1, 134=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 18 ms. (steps per millisecond=555 ) properties (out of 1) seen :[6]
Current structural bounds on expressions (after cover walk) : Max Seen:[16] Max Struct:[+inf]
[2025-06-01 10:08:30] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:08:30] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[16] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1459 ms. (684 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 413 ms. (2415 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[16] Max Struct:[+inf]
[2025-06-01 10:08:32] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:08:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 10:08:32] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 10:08:32] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2025-06-01 10:08:32] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-06-01 10:08:32] [INFO ] [Real]Added 26 Read/Feed constraints in 11 ms returned sat
[2025-06-01 10:08:32] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 10:08:32] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 10:08:32] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2025-06-01 10:08:32] [INFO ] [Nat]Added 26 Read/Feed constraints in 8 ms returned sat
[2025-06-01 10:08:32] [INFO ] Computed and/alt/rep : 59/378/59 causal constraints (skipped 78 transitions) in 6 ms.
[2025-06-01 10:08:32] [INFO ] Added : 21 causal constraints over 5 iterations in 55 ms. Result :sat
Minimization took 33 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[16] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[16] Max Struct:[+inf]
Support contains 1 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 1 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 49/49 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 2 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2025-06-01 10:08:32] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:08:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 10:08:32] [INFO ] Implicit Places using invariants in 47 ms returned []
[2025-06-01 10:08:32] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:08:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 10:08:33] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-06-01 10:08:33] [INFO ] Implicit Places using invariants and state equation in 119 ms returned []
Implicit Place search using SMT with State Equation took 166 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 10:08:33] [INFO ] Redundant transitions in 1 ms returned []
Running 186 sub problems to find dead transitions.
[2025-06-01 10:08:33] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:08:33] [INFO ] Invariant cache hit.
[2025-06-01 10:08:33] [INFO ] State equation strengthened by 26 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (OVERLAPS) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 78 constraints, problems are : Problem set: 0 solved, 186 unsolved in 2004 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 186 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 186/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 6 (OVERLAPS) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 264 constraints, problems are : Problem set: 0 solved, 186 unsolved in 6150 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8192ms problems are : Problem set: 0 solved, 186 unsolved
Search for dead transitions found 0 dead transitions in 8193ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8367 ms. Remains : 49/49 places, 188/188 transitions.
[2025-06-01 10:08:41] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {11=1, 23=1, 84=1, 85=1, 132=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {11=1, 23=1, 87=1, 88=1, 134=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=714 ) properties (out of 1) seen :[10]
Current structural bounds on expressions (after cover walk) : Max Seen:[16] Max Struct:[+inf]
[2025-06-01 10:08:41] [INFO ] Flatten gal took : 13 ms
[2025-06-01 10:08:41] [INFO ] Flatten gal took : 12 ms
[2025-06-01 10:08:41] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality925124973801204297.gal : 2 ms
RANDOM walk for 40000 steps (8 resets) in 88 ms. (449 steps per ms) remains 1/1 properties
[2025-06-01 10:08:41] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8213062231781527906.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality925124973801204297.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8213062231781527906.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40003 steps (8 resets) in 28 ms. (1379 steps per ms) remains 1/1 properties

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...327
Loading property file /tmp/ReachabilityCardinality8213062231781527906.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :9 after 30
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :30 after 64
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :64 after 13129
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :13129 after 853328
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :853328 after 7.26614e+06
Interrupted probabilistic random walk after 2204383 steps, run timeout after 3001 ms. (steps per millisecond=734 ) properties seen :0 out of 1
Probabilistic random walk after 2204383 steps, saw 1406054 distinct states, run finished after 3001 ms. (steps per millisecond=734 ) properties seen :0
[2025-06-01 10:08:44] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:08:44] [INFO ] Invariant cache hit.
[2025-06-01 10:08:44] [INFO ] State equation strengthened by 26 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 126/132 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/132 variables, 6/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/132 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 17/149 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/149 variables, 5/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/149 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :7.26614e+06 after 3.5404e+07
At refinement iteration 9 (OVERLAPS) 39/188 variables, 33/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/188 variables, 1/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/188 variables, 20/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 78 constraints, problems are : Problem set: 0 solved, 1 unsolved in 72 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 126/132 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/132 variables, 6/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/132 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/132 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 17/149 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/149 variables, 5/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/149 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 39/188 variables, 33/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/188 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/188 variables, 20/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/188 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/188 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 79 constraints, problems are : Problem set: 0 solved, 1 unsolved in 89 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 165ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 43 ms.
Support contains 1 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 2 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 49/49 places, 188/188 transitions.
RANDOM walk for 40001 steps (8 resets) in 116 ms. (341 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 2206380 steps, run timeout after 3001 ms. (steps per millisecond=735 ) properties seen :0 out of 1
Probabilistic random walk after 2206380 steps, saw 1407185 distinct states, run finished after 3001 ms. (steps per millisecond=735 ) properties seen :0
[2025-06-01 10:08:47] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:08:47] [INFO ] Invariant cache hit.
[2025-06-01 10:08:47] [INFO ] State equation strengthened by 26 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 126/132 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/132 variables, 6/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/132 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 17/149 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/149 variables, 5/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/149 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 39/188 variables, 33/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/188 variables, 1/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/188 variables, 20/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 78 constraints, problems are : Problem set: 0 solved, 1 unsolved in 75 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 126/132 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/132 variables, 6/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/132 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/132 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 17/149 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/149 variables, 5/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/149 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 39/188 variables, 33/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/188 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/188 variables, 20/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/188 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/188 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 79 constraints, problems are : Problem set: 0 solved, 1 unsolved in 88 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 169ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 95 ms.
Support contains 1 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 1 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 49/49 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 1 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2025-06-01 10:08:47] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:08:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 10:08:48] [INFO ] Implicit Places using invariants in 44 ms returned []
[2025-06-01 10:08:48] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:08:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 10:08:48] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-06-01 10:08:48] [INFO ] Implicit Places using invariants and state equation in 100 ms returned []
Implicit Place search using SMT with State Equation took 145 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 10:08:48] [INFO ] Redundant transitions in 1 ms returned []
Running 186 sub problems to find dead transitions.
[2025-06-01 10:08:48] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:08:48] [INFO ] Invariant cache hit.
[2025-06-01 10:08:48] [INFO ] State equation strengthened by 26 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (OVERLAPS) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 78 constraints, problems are : Problem set: 0 solved, 186 unsolved in 1937 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 186 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 186/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :3.5404e+07 after 1.52093e+08
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 6 (OVERLAPS) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 264 constraints, problems are : Problem set: 0 solved, 186 unsolved in 6115 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8091ms problems are : Problem set: 0 solved, 186 unsolved
Search for dead transitions found 0 dead transitions in 8092ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8242 ms. Remains : 49/49 places, 188/188 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 49 transitions
Reduce isomorphic transitions removed 49 transitions.
Iterating post reduction 0 with 49 rules applied. Total rules applied 49 place count 49 transition count 139
Performed 10 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 10 Pre rules applied. Total rules applied 49 place count 49 transition count 129
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 1 with 20 rules applied. Total rules applied 69 place count 39 transition count 129
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 73 place count 37 transition count 127
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 74 place count 36 transition count 123
Iterating global reduction 1 with 1 rules applied. Total rules applied 75 place count 36 transition count 123
Applied a total of 75 rules in 9 ms. Remains 36 /49 variables (removed 13) and now considering 123/188 (removed 65) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 123 rows 36 cols
[2025-06-01 10:08:56] [INFO ] Computed 3 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 10:08:56] [INFO ] [Real]Absence check using 3 positive place invariants in 0 ms returned sat
[2025-06-01 10:08:56] [INFO ] After 42ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 10:08:56] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 10:08:56] [INFO ] After 24ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-01 10:08:56] [INFO ] After 28ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-01 10:08:56] [INFO ] After 63ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-01 10:08:56] [INFO ] Flatten gal took : 6 ms
[2025-06-01 10:08:56] [INFO ] Flatten gal took : 9 ms
[2025-06-01 10:08:56] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12376998853718563959.gal : 1 ms
[2025-06-01 10:08:56] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5434839088180209999.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality12376998853718563959.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5434839088180209999.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality5434839088180209999.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 175
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :175 after 3047
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :3047 after 172196
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :172196 after 1.2704e+06
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :1.2704e+06 after 6.33955e+06
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :6.33955e+06 after 2.81134e+07
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :2.81134e+07 after 1.17572e+08
Detected timeout of ITS tools.
[2025-06-01 10:09:11] [INFO ] Flatten gal took : 15 ms
[2025-06-01 10:09:11] [INFO ] Applying decomposition
[2025-06-01 10:09:11] [INFO ] Flatten gal took : 3 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph4804527734519750747.txt' '-o' '/tmp/graph4804527734519750747.bin' '-w' '/tmp/graph4804527734519750747.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph4804527734519750747.bin' '-l' '-1' '-v' '-w' '/tmp/graph4804527734519750747.weights' '-q' '0' '-e' '0.001'
[2025-06-01 10:09:11] [INFO ] Decomposing Gal with order
[2025-06-01 10:09:11] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 10:09:11] [INFO ] Removed a total of 249 redundant transitions.
[2025-06-01 10:09:11] [INFO ] Flatten gal took : 7 ms
[2025-06-01 10:09:11] [INFO ] Fuse similar labels procedure discarded/fused a total of 14 labels/synchronizations in 2 ms.
[2025-06-01 10:09:11] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6888545127941708733.gal : 1 ms
[2025-06-01 10:09:11] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4212812202677917494.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality6888545127941708733.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4212812202677917494.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...307
Loading property file /tmp/ReachabilityCardinality4212812202677917494.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 10
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :10 after 20
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :20 after 126
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :1.52093e+08 after 6.26442e+08
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30263 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2025-06-01 10:09:26] [INFO ] Flatten gal took : 9 ms
[2025-06-01 10:09:26] [INFO ] Applying decomposition
[2025-06-01 10:09:26] [INFO ] Flatten gal took : 5 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph13751721762095717216.txt' '-o' '/tmp/graph13751721762095717216.bin' '-w' '/tmp/graph13751721762095717216.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph13751721762095717216.bin' '-l' '-1' '-v' '-w' '/tmp/graph13751721762095717216.weights' '-q' '0' '-e' '0.001'
[2025-06-01 10:09:26] [INFO ] Decomposing Gal with order
[2025-06-01 10:09:26] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 10:09:26] [INFO ] Removed a total of 394 redundant transitions.
[2025-06-01 10:09:26] [INFO ] Flatten gal took : 11 ms
[2025-06-01 10:09:26] [INFO ] Fuse similar labels procedure discarded/fused a total of 16 labels/synchronizations in 2 ms.
[2025-06-01 10:09:26] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11732363057889678312.gal : 1 ms
[2025-06-01 10:09:26] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7408089819309988506.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality11732363057889678312.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7408089819309988506.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality7408089819309988506.prop.
Detected timeout of ITS tools.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[16] Max Struct:[+inf]
Ending property specific reduction for DoubleLock-PT-p2s1-UpperBounds-13 in 127378 ms.
Starting property specific reduction for DoubleLock-PT-p2s1-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 10:10:16] [INFO ] Flow matrix only has 141 transitions (discarded 49 similar events)
// Phase 1: matrix 141 rows 49 cols
[2025-06-01 10:10:16] [INFO ] Computed 2 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (31 resets) in 14 ms. (666 steps per ms)
BEST_FIRST walk for 10001 steps (3 resets) in 5 ms. (1666 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[6] Max Struct:[+inf]
[2025-06-01 10:10:16] [INFO ] Flow matrix only has 141 transitions (discarded 49 similar events)
[2025-06-01 10:10:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 10:10:16] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-01 10:10:16] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-01 10:10:16] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2025-06-01 10:10:16] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-06-01 10:10:16] [INFO ] [Real]Added 26 Read/Feed constraints in 5 ms returned sat
[2025-06-01 10:10:16] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 10:10:16] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-01 10:10:16] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-01 10:10:16] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2025-06-01 10:10:16] [INFO ] [Nat]Added 26 Read/Feed constraints in 6 ms returned sat
[2025-06-01 10:10:16] [INFO ] Computed and/alt/rep : 60/382/60 causal constraints (skipped 79 transitions) in 6 ms.
[2025-06-01 10:10:16] [INFO ] Added : 27 causal constraints over 7 iterations in 73 ms. Result :sat
Minimization took 35 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[6] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[6] Max Struct:[+inf]
Support contains 1 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 190/190 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 49 transition count 188
Applied a total of 2 rules in 2 ms. Remains 49 /49 variables (removed 0) and now considering 188/190 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 49/49 places, 188/190 transitions.
[2025-06-01 10:10:16] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {11=1, 23=1, 84=1, 85=1, 132=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {11=1, 23=1, 87=1, 88=1, 134=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 1) seen :[5]
Current structural bounds on expressions (after cover walk) : Max Seen:[6] Max Struct:[+inf]
[2025-06-01 10:10:17] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
// Phase 1: matrix 139 rows 49 cols
[2025-06-01 10:10:17] [INFO ] Computed 3 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[6] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1503 ms. (664 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 422 ms. (2364 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10] Max Struct:[+inf]
[2025-06-01 10:10:18] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:10:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 10:10:18] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 10:10:18] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2025-06-01 10:10:18] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-06-01 10:10:18] [INFO ] [Real]Added 26 Read/Feed constraints in 6 ms returned sat
[2025-06-01 10:10:19] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 10:10:19] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 10:10:19] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2025-06-01 10:10:19] [INFO ] [Nat]Added 26 Read/Feed constraints in 9 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 10:10:19] [INFO ] Deduced a trap composed of 11 places in 55 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 10:10:19] [INFO ] Deduced a trap composed of 11 places in 44 ms of which 3 ms to minimize.
[2025-06-01 10:10:19] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 115 ms
[2025-06-01 10:10:19] [INFO ] Computed and/alt/rep : 59/378/59 causal constraints (skipped 78 transitions) in 6 ms.
[2025-06-01 10:10:19] [INFO ] Added : 22 causal constraints over 5 iterations in 58 ms. Result :sat
Minimization took 46 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[10] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10] Max Struct:[+inf]
Support contains 1 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 2 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 49/49 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 2 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2025-06-01 10:10:19] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:10:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 10:10:19] [INFO ] Implicit Places using invariants in 46 ms returned []
[2025-06-01 10:10:19] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:10:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 10:10:19] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-06-01 10:10:19] [INFO ] Implicit Places using invariants and state equation in 99 ms returned []
Implicit Place search using SMT with State Equation took 170 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 10:10:19] [INFO ] Redundant transitions in 0 ms returned []
Running 186 sub problems to find dead transitions.
[2025-06-01 10:10:19] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:10:19] [INFO ] Invariant cache hit.
[2025-06-01 10:10:19] [INFO ] State equation strengthened by 26 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (OVERLAPS) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 78 constraints, problems are : Problem set: 0 solved, 186 unsolved in 1967 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 186 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 186/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 6 (OVERLAPS) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 264 constraints, problems are : Problem set: 0 solved, 186 unsolved in 6181 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8186ms problems are : Problem set: 0 solved, 186 unsolved
Search for dead transitions found 0 dead transitions in 8187ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8366 ms. Remains : 49/49 places, 188/188 transitions.
[2025-06-01 10:10:27] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {11=1, 23=1, 84=1, 85=1, 132=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {11=1, 23=1, 87=1, 88=1, 134=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 18 ms. (steps per millisecond=555 ) properties (out of 1) seen :[5]
Current structural bounds on expressions (after cover walk) : Max Seen:[10] Max Struct:[+inf]
[2025-06-01 10:10:27] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:10:27] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[10] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1596 ms. (626 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 425 ms. (2347 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[15] Max Struct:[+inf]
[2025-06-01 10:10:29] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:10:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 10:10:29] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 10:10:29] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2025-06-01 10:10:29] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-06-01 10:10:29] [INFO ] [Real]Added 26 Read/Feed constraints in 6 ms returned sat
[2025-06-01 10:10:29] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 10:10:29] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 10:10:29] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2025-06-01 10:10:29] [INFO ] [Nat]Added 26 Read/Feed constraints in 7 ms returned sat
[2025-06-01 10:10:29] [INFO ] Computed and/alt/rep : 59/378/59 causal constraints (skipped 78 transitions) in 8 ms.
[2025-06-01 10:10:30] [INFO ] Added : 40 causal constraints over 8 iterations in 87 ms. Result :sat
Minimization took 42 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[15] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[15] Max Struct:[+inf]
Support contains 1 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 1 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 49/49 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 2 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2025-06-01 10:10:30] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:10:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 10:10:30] [INFO ] Implicit Places using invariants in 45 ms returned []
[2025-06-01 10:10:30] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:10:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 10:10:30] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-06-01 10:10:30] [INFO ] Implicit Places using invariants and state equation in 101 ms returned []
Implicit Place search using SMT with State Equation took 146 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 10:10:30] [INFO ] Redundant transitions in 1 ms returned []
Running 186 sub problems to find dead transitions.
[2025-06-01 10:10:30] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:10:30] [INFO ] Invariant cache hit.
[2025-06-01 10:10:30] [INFO ] State equation strengthened by 26 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (OVERLAPS) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 78 constraints, problems are : Problem set: 0 solved, 186 unsolved in 1954 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 186 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 186/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 6 (OVERLAPS) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 264 constraints, problems are : Problem set: 0 solved, 186 unsolved in 6181 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8181ms problems are : Problem set: 0 solved, 186 unsolved
Search for dead transitions found 0 dead transitions in 8182ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8339 ms. Remains : 49/49 places, 188/188 transitions.
[2025-06-01 10:10:38] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {11=1, 23=1, 84=1, 85=1, 132=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {11=1, 23=1, 87=1, 88=1, 134=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 18 ms. (steps per millisecond=555 ) properties (out of 1) seen :[6]
Current structural bounds on expressions (after cover walk) : Max Seen:[15] Max Struct:[+inf]
[2025-06-01 10:10:38] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:10:38] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[15] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1582 ms. (631 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 439 ms. (2272 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[15] Max Struct:[+inf]
[2025-06-01 10:10:40] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:10:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 10:10:40] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 10:10:40] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2025-06-01 10:10:40] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-06-01 10:10:40] [INFO ] [Real]Added 26 Read/Feed constraints in 7 ms returned sat
[2025-06-01 10:10:40] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 10:10:40] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 10:10:40] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2025-06-01 10:10:40] [INFO ] [Nat]Added 26 Read/Feed constraints in 7 ms returned sat
[2025-06-01 10:10:40] [INFO ] Computed and/alt/rep : 59/378/59 causal constraints (skipped 78 transitions) in 10 ms.
[2025-06-01 10:10:40] [INFO ] Added : 40 causal constraints over 8 iterations in 92 ms. Result :sat
Minimization took 38 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[15] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[15] Max Struct:[+inf]
Support contains 1 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 1 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 49/49 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 1 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2025-06-01 10:10:40] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:10:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 10:10:40] [INFO ] Implicit Places using invariants in 47 ms returned []
[2025-06-01 10:10:40] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:10:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 10:10:41] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-06-01 10:10:41] [INFO ] Implicit Places using invariants and state equation in 103 ms returned []
Implicit Place search using SMT with State Equation took 158 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 10:10:41] [INFO ] Redundant transitions in 1 ms returned []
Running 186 sub problems to find dead transitions.
[2025-06-01 10:10:41] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:10:41] [INFO ] Invariant cache hit.
[2025-06-01 10:10:41] [INFO ] State equation strengthened by 26 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (OVERLAPS) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 78 constraints, problems are : Problem set: 0 solved, 186 unsolved in 2005 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 186 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 186/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 6 (OVERLAPS) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 264 constraints, problems are : Problem set: 0 solved, 186 unsolved in 6223 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8266ms problems are : Problem set: 0 solved, 186 unsolved
Search for dead transitions found 0 dead transitions in 8268ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8435 ms. Remains : 49/49 places, 188/188 transitions.
[2025-06-01 10:10:49] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {11=1, 23=1, 84=1, 85=1, 132=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {11=1, 23=1, 87=1, 88=1, 134=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 24 ms. (steps per millisecond=416 ) properties (out of 1) seen :[5]
Current structural bounds on expressions (after cover walk) : Max Seen:[15] Max Struct:[+inf]
[2025-06-01 10:10:49] [INFO ] Flatten gal took : 9 ms
[2025-06-01 10:10:49] [INFO ] Flatten gal took : 4 ms
[2025-06-01 10:10:49] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12732876658990502241.gal : 1 ms
[2025-06-01 10:10:49] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15362150294668454050.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality12732876658990502241.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15362150294668454050.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality15362150294668454050.prop.
RANDOM walk for 40000 steps (8 resets) in 100 ms. (396 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :9 after 30
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :30 after 64
BEST_FIRST walk for 40004 steps (8 resets) in 32 ms. (1212 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :64 after 13129
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :13129 after 853328
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :853328 after 7.26614e+06
Interrupted probabilistic random walk after 2000904 steps, run timeout after 3001 ms. (steps per millisecond=666 ) properties seen :0 out of 1
Probabilistic random walk after 2000904 steps, saw 1279761 distinct states, run finished after 3001 ms. (steps per millisecond=666 ) properties seen :0
[2025-06-01 10:10:52] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:10:52] [INFO ] Invariant cache hit.
[2025-06-01 10:10:52] [INFO ] State equation strengthened by 26 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 127/133 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/133 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/133 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 17/150 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/150 variables, 5/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :7.26614e+06 after 3.5404e+07
At refinement iteration 8 (INCLUDED_ONLY) 0/150 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 38/188 variables, 33/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/188 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/188 variables, 21/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 78 constraints, problems are : Problem set: 0 solved, 1 unsolved in 74 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 127/133 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/133 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/133 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/133 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 17/150 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/150 variables, 5/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/150 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 38/188 variables, 33/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/188 variables, 1/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/188 variables, 21/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/188 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/188 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 79 constraints, problems are : Problem set: 0 solved, 1 unsolved in 137 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 218ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 103 ms.
Support contains 1 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 2 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 49/49 places, 188/188 transitions.
RANDOM walk for 40001 steps (8 resets) in 156 ms. (254 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 23 ms. (1666 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2010954 steps, run timeout after 3001 ms. (steps per millisecond=670 ) properties seen :0 out of 1
Probabilistic random walk after 2010954 steps, saw 1285901 distinct states, run finished after 3001 ms. (steps per millisecond=670 ) properties seen :0
[2025-06-01 10:10:55] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:10:55] [INFO ] Invariant cache hit.
[2025-06-01 10:10:55] [INFO ] State equation strengthened by 26 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 127/133 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/133 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/133 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 17/150 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/150 variables, 5/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/150 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 38/188 variables, 33/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/188 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/188 variables, 21/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 78 constraints, problems are : Problem set: 0 solved, 1 unsolved in 78 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 127/133 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/133 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/133 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/133 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 17/150 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/150 variables, 5/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/150 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 38/188 variables, 33/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/188 variables, 1/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/188 variables, 21/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/188 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/188 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 79 constraints, problems are : Problem set: 0 solved, 1 unsolved in 87 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 171ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 43 ms.
Support contains 1 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 1 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 49/49 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 2 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2025-06-01 10:10:56] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:10:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 10:10:56] [INFO ] Implicit Places using invariants in 53 ms returned []
[2025-06-01 10:10:56] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:10:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 10:10:56] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-06-01 10:10:56] [INFO ] Implicit Places using invariants and state equation in 109 ms returned []
Implicit Place search using SMT with State Equation took 164 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 10:10:56] [INFO ] Redundant transitions in 0 ms returned []
Running 186 sub problems to find dead transitions.
[2025-06-01 10:10:56] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2025-06-01 10:10:56] [INFO ] Invariant cache hit.
[2025-06-01 10:10:56] [INFO ] State equation strengthened by 26 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (OVERLAPS) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 78 constraints, problems are : Problem set: 0 solved, 186 unsolved in 2004 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 186 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 186/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :3.5404e+07 after 1.52093e+08
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 6 (OVERLAPS) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 264 constraints, problems are : Problem set: 0 solved, 186 unsolved in 6326 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8368ms problems are : Problem set: 0 solved, 186 unsolved
Search for dead transitions found 0 dead transitions in 8369ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8540 ms. Remains : 49/49 places, 188/188 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 49 transitions
Reduce isomorphic transitions removed 49 transitions.
Iterating post reduction 0 with 49 rules applied. Total rules applied 49 place count 49 transition count 139
Performed 11 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 11 Pre rules applied. Total rules applied 49 place count 49 transition count 128
Deduced a syphon composed of 11 places in 0 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 1 with 22 rules applied. Total rules applied 71 place count 38 transition count 128
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 1 with 2 rules applied. Total rules applied 73 place count 37 transition count 127
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 74 place count 36 transition count 123
Iterating global reduction 1 with 1 rules applied. Total rules applied 75 place count 36 transition count 123
Applied a total of 75 rules in 9 ms. Remains 36 /49 variables (removed 13) and now considering 123/188 (removed 65) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 123 rows 36 cols
[2025-06-01 10:11:04] [INFO ] Computed 3 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 10:11:04] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 10:11:04] [INFO ] After 49ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 10:11:04] [INFO ] [Nat]Absence check using 3 positive place invariants in 0 ms returned sat
[2025-06-01 10:11:04] [INFO ] After 22ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-01 10:11:04] [INFO ] After 27ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-01 10:11:04] [INFO ] After 60ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-01 10:11:04] [INFO ] Flatten gal took : 5 ms
[2025-06-01 10:11:04] [INFO ] Flatten gal took : 4 ms
[2025-06-01 10:11:04] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13534722204961449098.gal : 1 ms
[2025-06-01 10:11:04] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6012273521612084745.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality13534722204961449098.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6012273521612084745.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality6012273521612084745.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 175
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :175 after 4653
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :4653 after 191543
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :191543 after 1.30588e+06
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :1.30588e+06 after 6.4495e+06
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :6.4495e+06 after 2.82981e+07
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :2.82981e+07 after 1.18042e+08
Detected timeout of ITS tools.
[2025-06-01 10:11:19] [INFO ] Flatten gal took : 6 ms
[2025-06-01 10:11:19] [INFO ] Applying decomposition
[2025-06-01 10:11:19] [INFO ] Flatten gal took : 3 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph2561216922000032960.txt' '-o' '/tmp/graph2561216922000032960.bin' '-w' '/tmp/graph2561216922000032960.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph2561216922000032960.bin' '-l' '-1' '-v' '-w' '/tmp/graph2561216922000032960.weights' '-q' '0' '-e' '0.001'
[2025-06-01 10:11:19] [INFO ] Decomposing Gal with order
[2025-06-01 10:11:19] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 10:11:19] [INFO ] Removed a total of 249 redundant transitions.
[2025-06-01 10:11:19] [INFO ] Flatten gal took : 13 ms
[2025-06-01 10:11:19] [INFO ] Fuse similar labels procedure discarded/fused a total of 14 labels/synchronizations in 1 ms.
[2025-06-01 10:11:19] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality399499788911494338.gal : 1 ms
[2025-06-01 10:11:19] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15621330171338370610.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality399499788911494338.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15621330171338370610.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...307
Loading property file /tmp/ReachabilityCardinality15621330171338370610.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 15
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :15 after 30
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :30 after 189
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :189 after 6553
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :6553 after 12068
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :12068 after 83969
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :83969 after 1.92027e+06
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :1.92027e+06 after 2.4325e+07
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :2.4325e+07 after 2.01339e+08
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :1.52093e+08 after 6.26442e+08
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30248 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2025-06-01 10:11:34] [INFO ] Flatten gal took : 4 ms
[2025-06-01 10:11:34] [INFO ] Applying decomposition
[2025-06-01 10:11:34] [INFO ] Flatten gal took : 4 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph12797430501643081328.txt' '-o' '/tmp/graph12797430501643081328.bin' '-w' '/tmp/graph12797430501643081328.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph12797430501643081328.bin' '-l' '-1' '-v' '-w' '/tmp/graph12797430501643081328.weights' '-q' '0' '-e' '0.001'
[2025-06-01 10:11:34] [INFO ] Decomposing Gal with order
[2025-06-01 10:11:34] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 10:11:35] [INFO ] Removed a total of 394 redundant transitions.
[2025-06-01 10:11:35] [INFO ] Flatten gal took : 9 ms
[2025-06-01 10:11:35] [INFO ] Fuse similar labels procedure discarded/fused a total of 14 labels/synchronizations in 1 ms.
[2025-06-01 10:11:35] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11213773697090078597.gal : 1 ms
[2025-06-01 10:11:35] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality983440128950177845.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality11213773697090078597.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality983440128950177845.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...307
Loading property file /tmp/ReachabilityCardinality983440128950177845.prop.
Detected timeout of ITS tools.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[15] Max Struct:[+inf]
Ending property specific reduction for DoubleLock-PT-p2s1-UpperBounds-15 in 128442 ms.
[2025-06-01 10:12:25] [INFO ] Flatten gal took : 4 ms
[2025-06-01 10:12:25] [INFO ] Applying decomposition
[2025-06-01 10:12:25] [INFO ] Flatten gal took : 4 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph5632970958691651674.txt' '-o' '/tmp/graph5632970958691651674.bin' '-w' '/tmp/graph5632970958691651674.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph5632970958691651674.bin' '-l' '-1' '-v' '-w' '/tmp/graph5632970958691651674.weights' '-q' '0' '-e' '0.001'
[2025-06-01 10:12:25] [INFO ] Decomposing Gal with order
[2025-06-01 10:12:25] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 10:12:25] [INFO ] Removed a total of 397 redundant transitions.
[2025-06-01 10:12:25] [INFO ] Flatten gal took : 8 ms
[2025-06-01 10:12:25] [INFO ] Fuse similar labels procedure discarded/fused a total of 14 labels/synchronizations in 2 ms.
[2025-06-01 10:12:25] [INFO ] Time to serialize gal into /tmp/UpperBounds9683979174508480901.gal : 1 ms
[2025-06-01 10:12:25] [INFO ] Time to serialize properties into /tmp/UpperBounds16840524990465695338.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/UpperBounds9683979174508480901.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds16840524990465695338.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...284
Loading property file /tmp/UpperBounds16840524990465695338.prop.
Detected timeout of ITS tools.
[2025-06-01 10:36:45] [INFO ] Flatten gal took : 4 ms
[2025-06-01 10:36:45] [INFO ] Time to serialize gal into /tmp/UpperBounds14113055244571387025.gal : 2 ms
[2025-06-01 10:36:45] [INFO ] Time to serialize properties into /tmp/UpperBounds11373232404847501750.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/UpperBounds14113055244571387025.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds11373232404847501750.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...306
Loading property file /tmp/UpperBounds11373232404847501750.prop.
ITS-tools command line returned an error code 137
[2025-06-01 10:51:49] [INFO ] Flatten gal took : 63 ms
[2025-06-01 10:51:49] [INFO ] Input system was already deterministic with 190 transitions.
[2025-06-01 10:51:49] [INFO ] Transformed 49 places.
[2025-06-01 10:51:49] [INFO ] Transformed 190 transitions.
Running greatSPN : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//../itstools/bin//..//greatspn//bin/pinvar' '/home/mcc/execution/gspn'
Run of greatSPN captured in /home/mcc/execution/outPut.txt
Running greatSPN : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//../itstools/bin//..//greatspn//bin/RGMEDD2' '/home/mcc/execution/gspn' '-META' '-varord-only'
Run of greatSPN captured in /home/mcc/execution/outPut.txt
Using order generated by GreatSPN with heuristic : META
[2025-06-01 10:51:50] [INFO ] Time to serialize gal into /tmp/UpperBounds5236318372073350020.gal : 5 ms
[2025-06-01 10:51:50] [INFO ] Time to serialize properties into /tmp/UpperBounds4785511206622072426.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/UpperBounds5236318372073350020.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds4785511206622072426.prop' '--nowitness' '--load-order' '/home/mcc/execution/model.ord' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...349
Successfully loaded order from file /home/mcc/execution/model.ord
Loading property file /tmp/UpperBounds4785511206622072426.prop.

BK_TIME_CONFINEMENT_REACHED

--------------------
content from stderr:

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="DoubleLock-PT-p2s1"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool itstools"
echo " Input is DoubleLock-PT-p2s1, 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 r072-tall-174860067700549"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DoubleLock-PT-p2s1.tgz
mv DoubleLock-PT-p2s1 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "UpperBounds.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' UpperBounds.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;