Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r128-smll-174876523800021.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 Medical-PT-06, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r128-smll-174876523800021
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 3.5M
-rw-r--r-- 1 mcc users 8.2K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 84K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.3K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 61K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.7K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 92K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.8K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 74K 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 3.9K 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 3 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 3.1M 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 Medical-PT-06-UpperBounds-00
FORMULA_NAME Medical-PT-06-UpperBounds-01
FORMULA_NAME Medical-PT-06-UpperBounds-02
FORMULA_NAME Medical-PT-06-UpperBounds-03
FORMULA_NAME Medical-PT-06-UpperBounds-04
FORMULA_NAME Medical-PT-06-UpperBounds-05
FORMULA_NAME Medical-PT-06-UpperBounds-06
FORMULA_NAME Medical-PT-06-UpperBounds-07
FORMULA_NAME Medical-PT-06-UpperBounds-08
FORMULA_NAME Medical-PT-06-UpperBounds-09
FORMULA_NAME Medical-PT-06-UpperBounds-10
FORMULA_NAME Medical-PT-06-UpperBounds-11
FORMULA_NAME Medical-PT-06-UpperBounds-12
FORMULA_NAME Medical-PT-06-UpperBounds-13
FORMULA_NAME Medical-PT-06-UpperBounds-14
FORMULA_NAME Medical-PT-06-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1748785540983

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Medical-PT-06
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2025-06-01 13:45:42] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-01 13:45:42] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-01 13:45:43] [INFO ] Load time of PNML (sax parser for PT used): 849 ms
[2025-06-01 13:45:44] [INFO ] Transformed 312 places.
[2025-06-01 13:45:44] [INFO ] Transformed 5431 transitions.
[2025-06-01 13:45:44] [INFO ] Parsed PT model containing 312 places and 5431 transitions and 28790 arcs in 1073 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 12 ms.
Deduced a syphon composed of 242 places in 69 ms
Reduce places removed 242 places and 5204 transitions.
Reduce places removed 1 places and 0 transitions.
FORMULA Medical-PT-06-UpperBounds-00 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-06-UpperBounds-01 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-06-UpperBounds-02 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-06-UpperBounds-03 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-06-UpperBounds-05 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-06-UpperBounds-08 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-06-UpperBounds-11 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-06-UpperBounds-12 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-06-UpperBounds-14 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-06-UpperBounds-15 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 13:45:44] [INFO ] Flow matrix only has 182 transitions (discarded 45 similar events)
// Phase 1: matrix 182 rows 69 cols
[2025-06-01 13:45:44] [INFO ] Computed 10 invariants in 12 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0] Max Struct:[1, 1, +inf, 1, +inf, +inf]
RANDOM walk for 10004 steps (59 resets) in 62 ms. (158 steps per ms)
FORMULA Medical-PT-06-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Medical-PT-06-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40003 steps (39 resets) in 89 ms. (444 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 10, 0, 14] Max Struct:[1, +inf, +inf, +inf]
[2025-06-01 13:45:44] [INFO ] Flow matrix only has 182 transitions (discarded 45 similar events)
[2025-06-01 13:45:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 13:45:44] [INFO ] [Real]Absence check using 10 positive place invariants in 15 ms returned sat
[2025-06-01 13:45:45] [INFO ] [Real]Absence check using state equation in 229 ms returned sat
[2025-06-01 13:45:45] [INFO ] State equation strengthened by 56 read => feed constraints.
[2025-06-01 13:45:45] [INFO ] [Real]Added 56 Read/Feed constraints in 27 ms returned sat
[2025-06-01 13:45:45] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 13:45:45] [INFO ] [Nat]Absence check using 10 positive place invariants in 8 ms returned sat
[2025-06-01 13:45:45] [INFO ] [Nat]Absence check using state equation in 125 ms returned sat
[2025-06-01 13:45:45] [INFO ] [Nat]Added 56 Read/Feed constraints in 25 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:45:45] [INFO ] Deduced a trap composed of 6 places in 183 ms of which 16 ms to minimize.
[2025-06-01 13:45:45] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 230 ms
[2025-06-01 13:45:45] [INFO ] Computed and/alt/rep : 122/716/121 causal constraints (skipped 56 transitions) in 57 ms.
[2025-06-01 13:45:46] [INFO ] Added : 18 causal constraints over 5 iterations in 219 ms. Result :sat
Minimization took 63 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 13:45:46] [INFO ] [Real]Absence check using 10 positive place invariants in 6 ms returned sat
[2025-06-01 13:45:46] [INFO ] [Real]Absence check using state equation in 89 ms returned sat
[2025-06-01 13:45:46] [INFO ] [Real]Added 56 Read/Feed constraints in 20 ms returned sat
[2025-06-01 13:45:46] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 13:45:46] [INFO ] [Nat]Absence check using 10 positive place invariants in 6 ms returned sat
[2025-06-01 13:45:46] [INFO ] [Nat]Absence check using state equation in 90 ms returned sat
[2025-06-01 13:45:46] [INFO ] [Nat]Added 56 Read/Feed constraints in 26 ms returned sat
[2025-06-01 13:45:46] [INFO ] Computed and/alt/rep : 122/716/121 causal constraints (skipped 56 transitions) in 30 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:45:46] [INFO ] Deduced a trap composed of 4 places in 36 ms of which 3 ms to minimize.
[2025-06-01 13:45:46] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 66 ms
[2025-06-01 13:45:46] [INFO ] Added : 45 causal constraints over 9 iterations in 322 ms. Result :sat
Minimization took 64 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 13:45:46] [INFO ] [Real]Absence check using 10 positive place invariants in 6 ms returned sat
[2025-06-01 13:45:46] [INFO ] [Real]Absence check using state equation in 85 ms returned sat
[2025-06-01 13:45:47] [INFO ] [Real]Added 56 Read/Feed constraints in 20 ms returned sat
[2025-06-01 13:45:47] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 13:45:47] [INFO ] [Nat]Absence check using 10 positive place invariants in 5 ms returned sat
[2025-06-01 13:45:47] [INFO ] [Nat]Absence check using state equation in 78 ms returned sat
[2025-06-01 13:45:47] [INFO ] [Nat]Added 56 Read/Feed constraints in 21 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:45:47] [INFO ] Deduced a trap composed of 4 places in 77 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:45:47] [INFO ] Deduced a trap composed of 16 places in 80 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:45:47] [INFO ] Deduced a trap composed of 5 places in 112 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:45:47] [INFO ] Deduced a trap composed of 11 places in 82 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:45:47] [INFO ] Deduced a trap composed of 4 places in 98 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:45:47] [INFO ] Deduced a trap composed of 8 places in 108 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:45:47] [INFO ] Deduced a trap composed of 14 places in 95 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:45:48] [INFO ] Deduced a trap composed of 16 places in 103 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:45:48] [INFO ] Deduced a trap composed of 30 places in 125 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:45:48] [INFO ] Deduced a trap composed of 5 places in 102 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:45:48] [INFO ] Deduced a trap composed of 6 places in 119 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:45:48] [INFO ] Deduced a trap composed of 30 places in 124 ms of which 8 ms to minimize.
[2025-06-01 13:45:48] [INFO ] Trap strengthening (SAT) tested/added 13/12 trap constraints in 1385 ms
[2025-06-01 13:45:48] [INFO ] Computed and/alt/rep : 122/716/121 causal constraints (skipped 56 transitions) in 21 ms.
[2025-06-01 13:45:48] [INFO ] Added : 36 causal constraints over 8 iterations in 157 ms. Result :sat
Minimization took 60 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 13:45:48] [INFO ] [Real]Absence check using 10 positive place invariants in 4 ms returned sat
[2025-06-01 13:45:48] [INFO ] [Real]Absence check using state equation in 55 ms returned sat
[2025-06-01 13:45:48] [INFO ] [Real]Added 56 Read/Feed constraints in 14 ms returned sat
[2025-06-01 13:45:48] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 13:45:48] [INFO ] [Nat]Absence check using 10 positive place invariants in 3 ms returned sat
[2025-06-01 13:45:48] [INFO ] [Nat]Absence check using state equation in 56 ms returned sat
[2025-06-01 13:45:49] [INFO ] [Nat]Added 56 Read/Feed constraints in 13 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:45:49] [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 13:45:49] [INFO ] Deduced a trap composed of 4 places in 77 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:45:49] [INFO ] Deduced a trap composed of 18 places in 80 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:45:49] [INFO ] Deduced a trap composed of 18 places in 75 ms of which 6 ms to minimize.
[2025-06-01 13:45:49] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 326 ms
[2025-06-01 13:45:49] [INFO ] Computed and/alt/rep : 122/716/121 causal constraints (skipped 56 transitions) in 22 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:45:49] [INFO ] Deduced a trap composed of 5 places in 50 ms of which 3 ms to minimize.
[2025-06-01 13:45:49] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 72 ms
[2025-06-01 13:45:49] [INFO ] Added : 48 causal constraints over 11 iterations in 292 ms. Result :sat
Minimization took 61 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 10, 0, 14] Max Struct:[1, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 19, 0, 25] Max Struct:[1, +inf, +inf, +inf]
Support contains 4 out of 69 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 69/69 places, 227/227 transitions.
Graph (complete) has 347 edges and 69 vertex of which 67 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.2 ms
Discarding 2 places :
Also discarding 0 output transitions
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 3 Pre rules applied. Total rules applied 1 place count 67 transition count 224
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 7 place count 64 transition count 224
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 9 place count 63 transition count 224
Free-agglomeration rule applied 2 times.
Iterating global reduction 0 with 2 rules applied. Total rules applied 11 place count 63 transition count 222
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 13 place count 61 transition count 222
Applied a total of 13 rules in 66 ms. Remains 61 /69 variables (removed 8) and now considering 222/227 (removed 5) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 77 ms. Remains : 61/69 places, 222/227 transitions.
[2025-06-01 13:45:50] [INFO ] Flow matrix only has 176 transitions (discarded 46 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {1=1, 151=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {3=1, 151=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 55 ms. (steps per millisecond=181 ) properties (out of 4) seen :[0, 3, 0, 2]
Current structural bounds on expressions (after cover walk) : Max Seen:[0, 19, 0, 25] Max Struct:[1, +inf, +inf, +inf]
[2025-06-01 13:45:50] [INFO ] Flow matrix only has 176 transitions (discarded 46 similar events)
// Phase 1: matrix 176 rows 61 cols
[2025-06-01 13:45:50] [INFO ] Computed 8 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 19, 0, 25] Max Struct:[1, +inf, +inf, +inf]
RANDOM walk for 1000002 steps (2 resets) in 729 ms. (1369 steps per ms)
BEST_FIRST walk for 4000002 steps (8 resets) in 2812 ms. (1421 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 19, 0, 25] Max Struct:[1, +inf, +inf, +inf]
[2025-06-01 13:45:53] [INFO ] Flow matrix only has 176 transitions (discarded 46 similar events)
[2025-06-01 13:45:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:45:53] [INFO ] [Real]Absence check using 8 positive place invariants in 3 ms returned sat
[2025-06-01 13:45:53] [INFO ] [Real]Absence check using state equation in 57 ms returned sat
[2025-06-01 13:45:53] [INFO ] State equation strengthened by 57 read => feed constraints.
[2025-06-01 13:45:53] [INFO ] [Real]Added 57 Read/Feed constraints in 13 ms returned sat
[2025-06-01 13:45:53] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:45:54] [INFO ] [Nat]Absence check using 8 positive place invariants in 3 ms returned sat
[2025-06-01 13:45:54] [INFO ] [Nat]Absence check using state equation in 52 ms returned sat
[2025-06-01 13:45:54] [INFO ] [Nat]Added 57 Read/Feed constraints in 14 ms returned sat
[2025-06-01 13:45:54] [INFO ] Computed and/alt/rep : 119/604/118 causal constraints (skipped 57 transitions) in 24 ms.
[2025-06-01 13:45:54] [INFO ] Added : 30 causal constraints over 6 iterations in 184 ms. Result :sat
Minimization took 101 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:45:54] [INFO ] [Real]Absence check using 8 positive place invariants in 4 ms returned sat
[2025-06-01 13:45:54] [INFO ] [Real]Absence check using state equation in 72 ms returned sat
[2025-06-01 13:45:54] [INFO ] [Real]Added 57 Read/Feed constraints in 19 ms returned sat
[2025-06-01 13:45:54] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:45:54] [INFO ] [Nat]Absence check using 8 positive place invariants in 3 ms returned sat
[2025-06-01 13:45:54] [INFO ] [Nat]Absence check using state equation in 56 ms returned sat
[2025-06-01 13:45:54] [INFO ] [Nat]Added 57 Read/Feed constraints in 16 ms returned sat
[2025-06-01 13:45:54] [INFO ] Computed and/alt/rep : 119/604/118 causal constraints (skipped 57 transitions) in 22 ms.
[2025-06-01 13:45:54] [INFO ] Added : 16 causal constraints over 4 iterations in 100 ms. Result :sat
Minimization took 49 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:45:54] [INFO ] [Real]Absence check using 8 positive place invariants in 3 ms returned sat
[2025-06-01 13:45:54] [INFO ] [Real]Absence check using state equation in 48 ms returned sat
[2025-06-01 13:45:54] [INFO ] [Real]Added 57 Read/Feed constraints in 12 ms returned sat
[2025-06-01 13:45:54] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:45:54] [INFO ] [Nat]Absence check using 8 positive place invariants in 3 ms returned sat
[2025-06-01 13:45:55] [INFO ] [Nat]Absence check using state equation in 50 ms returned sat
[2025-06-01 13:45:55] [INFO ] [Nat]Added 57 Read/Feed constraints in 15 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:45:55] [INFO ] Deduced a trap composed of 27 places in 74 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:45:55] [INFO ] Deduced a trap composed of 17 places in 71 ms of which 4 ms to minimize.
[2025-06-01 13:45:55] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 172 ms
[2025-06-01 13:45:55] [INFO ] Computed and/alt/rep : 119/604/118 causal constraints (skipped 57 transitions) in 17 ms.
[2025-06-01 13:45:55] [INFO ] Added : 17 causal constraints over 5 iterations in 103 ms. Result :sat
Minimization took 50 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:45:55] [INFO ] [Real]Absence check using 8 positive place invariants in 5 ms returned sat
[2025-06-01 13:45:55] [INFO ] [Real]Absence check using state equation in 53 ms returned sat
[2025-06-01 13:45:55] [INFO ] [Real]Added 57 Read/Feed constraints in 12 ms returned sat
[2025-06-01 13:45:55] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:45:55] [INFO ] [Nat]Absence check using 8 positive place invariants in 3 ms returned sat
[2025-06-01 13:45:55] [INFO ] [Nat]Absence check using state equation in 52 ms returned sat
[2025-06-01 13:45:55] [INFO ] [Nat]Added 57 Read/Feed constraints in 11 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:45:55] [INFO ] Deduced a trap composed of 8 places in 90 ms of which 6 ms to minimize.
[2025-06-01 13:45:55] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 105 ms
[2025-06-01 13:45:55] [INFO ] Computed and/alt/rep : 119/604/118 causal constraints (skipped 57 transitions) in 16 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:45:55] [INFO ] Deduced a trap composed of 4 places in 56 ms of which 3 ms to minimize.
[2025-06-01 13:45:55] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 79 ms
[2025-06-01 13:45:56] [INFO ] Added : 61 causal constraints over 13 iterations in 335 ms. Result :sat
Minimization took 105 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 19, 0, 25] Max Struct:[1, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 19, 0, 25] Max Struct:[1, +inf, +inf, +inf]
Support contains 4 out of 61 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 61/61 places, 222/222 transitions.
Applied a total of 0 rules in 11 ms. Remains 61 /61 variables (removed 0) and now considering 222/222 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 61/61 places, 222/222 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 61/61 places, 222/222 transitions.
Applied a total of 0 rules in 10 ms. Remains 61 /61 variables (removed 0) and now considering 222/222 (removed 0) transitions.
[2025-06-01 13:45:56] [INFO ] Flow matrix only has 176 transitions (discarded 46 similar events)
[2025-06-01 13:45:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:45:56] [INFO ] Implicit Places using invariants in 110 ms returned []
[2025-06-01 13:45:56] [INFO ] Flow matrix only has 176 transitions (discarded 46 similar events)
[2025-06-01 13:45:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:45:56] [INFO ] State equation strengthened by 57 read => feed constraints.
[2025-06-01 13:45:56] [INFO ] Implicit Places using invariants and state equation in 316 ms returned []
Implicit Place search using SMT with State Equation took 428 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 13:45:56] [INFO ] Redundant transitions in 12 ms returned []
Running 221 sub problems to find dead transitions.
[2025-06-01 13:45:56] [INFO ] Flow matrix only has 176 transitions (discarded 46 similar events)
[2025-06-01 13:45:56] [INFO ] Invariant cache hit.
[2025-06-01 13:45:56] [INFO ] State equation strengthened by 57 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/61 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 221 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:45:57] [INFO ] Deduced a trap composed of 5 places in 48 ms of which 3 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/61 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 221 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/61 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 221 unsolved
At refinement iteration 3 (OVERLAPS) 176/237 variables, 61/70 constraints. Problems are: Problem set: 0 solved, 221 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/237 variables, 57/127 constraints. Problems are: Problem set: 0 solved, 221 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/237 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 221 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/237 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 221 unsolved
No progress, stopping.
After SMT solving in domain Real declared 237/237 variables, and 127 constraints, problems are : Problem set: 0 solved, 221 unsolved in 7323 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 61/61 constraints, ReadFeed: 57/57 constraints, PredecessorRefiner: 221/221 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 221 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/61 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 221 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/61 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 221 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/61 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 221 unsolved
At refinement iteration 3 (OVERLAPS) 176/237 variables, 61/70 constraints. Problems are: Problem set: 0 solved, 221 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/237 variables, 57/127 constraints. Problems are: Problem set: 0 solved, 221 unsolved
Problem TDEAD0 is UNSAT
Problem TDEAD7 is UNSAT
Problem TDEAD11 is UNSAT
Problem TDEAD12 is UNSAT
Problem TDEAD13 is UNSAT
Problem TDEAD14 is UNSAT
Problem TDEAD16 is UNSAT
Problem TDEAD21 is UNSAT
Problem TDEAD22 is UNSAT
Problem TDEAD23 is UNSAT
Problem TDEAD24 is UNSAT
Problem TDEAD25 is UNSAT
Problem TDEAD28 is UNSAT
Problem TDEAD29 is UNSAT
Problem TDEAD30 is UNSAT
Problem TDEAD31 is UNSAT
Problem TDEAD32 is UNSAT
Problem TDEAD35 is UNSAT
Problem TDEAD36 is UNSAT
Problem TDEAD37 is UNSAT
Problem TDEAD38 is UNSAT
Problem TDEAD39 is UNSAT
Problem TDEAD42 is UNSAT
Problem TDEAD43 is UNSAT
Problem TDEAD44 is UNSAT
Problem TDEAD45 is UNSAT
Problem TDEAD46 is UNSAT
Problem TDEAD49 is UNSAT
Problem TDEAD50 is UNSAT
Problem TDEAD51 is UNSAT
Problem TDEAD52 is UNSAT
Problem TDEAD53 is UNSAT
Problem TDEAD56 is UNSAT
Problem TDEAD57 is UNSAT
Problem TDEAD58 is UNSAT
Problem TDEAD59 is UNSAT
Problem TDEAD60 is UNSAT
Problem TDEAD63 is UNSAT
Problem TDEAD68 is UNSAT
Problem TDEAD73 is UNSAT
Problem TDEAD78 is UNSAT
Problem TDEAD83 is UNSAT
Problem TDEAD88 is UNSAT
At refinement iteration 5 (INCLUDED_ONLY) 0/237 variables, 221/348 constraints. Problems are: Problem set: 43 solved, 178 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:46:07] [INFO ] Deduced a trap composed of 10 places in 36 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/237 variables, 1/349 constraints. Problems are: Problem set: 43 solved, 178 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:46:09] [INFO ] Deduced a trap composed of 8 places in 38 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:46:10] [INFO ] Deduced a trap composed of 5 places in 45 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/237 variables, 2/351 constraints. Problems are: Problem set: 43 solved, 178 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:46:12] [INFO ] Deduced a trap along path composed of 4 places in 38 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:46:13] [INFO ] Deduced a trap along path composed of 6 places in 41 ms of which 1 ms to minimize.
Problem TDEAD64 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:46:13] [INFO ] Deduced a trap along path composed of 4 places in 23 ms of which 1 ms to minimize.
Problem TDEAD89 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:46:13] [INFO ] Deduced a trap along path composed of 4 places in 21 ms of which 1 ms to minimize.
Problem TDEAD112 is UNSAT
Problem TDEAD113 is UNSAT
Problem TDEAD120 is UNSAT
Problem TDEAD141 is UNSAT
Problem TDEAD148 is UNSAT
At refinement iteration 8 (INCLUDED_ONLY) 0/237 variables, 4/355 constraints. Problems are: Problem set: 50 solved, 171 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:46:19] [INFO ] Deduced a trap composed of 9 places in 43 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:46:19] [INFO ] Deduced a trap composed of 10 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:46:19] [INFO ] Deduced a trap composed of 12 places in 56 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:46:19] [INFO ] Deduced a trap composed of 9 places in 35 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/237 variables, 4/359 constraints. Problems are: Problem set: 50 solved, 171 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:46:23] [INFO ] Deduced a trap composed of 15 places in 54 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:46:24] [INFO ] Deduced a trap composed of 7 places in 33 ms of which 2 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/237 variables, 2/361 constraints. Problems are: Problem set: 50 solved, 171 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:46:27] [INFO ] Deduced a trap composed of 10 places in 37 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/237 variables, 1/362 constraints. Problems are: Problem set: 50 solved, 171 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 237/237 variables, and 362 constraints, problems are : Problem set: 50 solved, 171 unsolved in 30026 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 61/61 constraints, ReadFeed: 57/57 constraints, PredecessorRefiner: 221/221 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 4/4 constraints]
After SMT, in 37606ms problems are : Problem set: 50 solved, 171 unsolved
Search for dead transitions found 50 dead transitions in 37622ms
Found 50 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 50 transitions
Dead transitions reduction (with SMT) removed 50 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 61/61 places, 172/222 transitions.
Reduce places removed 9 places and 60 transitions.
Iterating post reduction 0 with 9 rules applied. Total rules applied 9 place count 52 transition count 112
Reduce places removed 7 places and 31 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 16 place count 45 transition count 81
Reduce places removed 2 places and 10 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 18 place count 43 transition count 71
Reduce places removed 3 places and 12 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 21 place count 40 transition count 59
Reduce places removed 1 places and 4 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 22 place count 39 transition count 55
Deduced a syphon composed of 2 places in 0 ms
Applied a total of 22 rules in 9 ms. Remains 39 /61 variables (removed 22) and now considering 55/172 (removed 117) transitions.
[2025-06-01 13:46:34] [INFO ] Flow matrix only has 49 transitions (discarded 6 similar events)
// Phase 1: matrix 49 rows 39 cols
[2025-06-01 13:46:34] [INFO ] Computed 10 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:46:34] [INFO ] Implicit Places using invariants in 55 ms returned []
[2025-06-01 13:46:34] [INFO ] Flow matrix only has 49 transitions (discarded 6 similar events)
[2025-06-01 13:46:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:46:34] [INFO ] State equation strengthened by 27 read => feed constraints.
[2025-06-01 13:46:34] [INFO ] Implicit Places using invariants and state equation in 134 ms returned []
Implicit Place search using SMT with State Equation took 191 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 39/61 places, 55/222 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 38299 ms. Remains : 39/61 places, 55/222 transitions.
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
FORMULA Medical-PT-06-UpperBounds-04 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-06-UpperBounds-10 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2025-06-01 13:46:34] [INFO ] Flow matrix only has 49 transitions (discarded 6 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {1=1, 40=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {0=1, 40=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 68 ms. (steps per millisecond=147 ) properties (out of 2) seen :[2, 1]
Current structural bounds on expressions (after cover walk) : Max Seen:[2, 19, 0, 25] Max Struct:[1, +inf, +inf, +inf]
Inconsistency detected : max struct is less than max seen for bound index 0
[2025-06-01 13:46:34] [INFO ] Flow matrix only has 49 transitions (discarded 6 similar events)
// Phase 1: matrix 49 rows 37 cols
[2025-06-01 13:46:34] [INFO ] Computed 8 invariants in 0 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2, 19, 0, 25] Max Struct:[1, +inf, +inf, +inf]
Inconsistency detected : max struct is less than max seen for bound index 0
RANDOM walk for 1000005 steps (2 resets) in 486 ms. (2053 steps per ms)
BEST_FIRST walk for 2000002 steps (4 resets) in 914 ms. (2185 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3, 19, 0, 25] Max Struct:[1, +inf, +inf, +inf]
Inconsistency detected : max struct is less than max seen for bound index 0
[2025-06-01 13:46:35] [INFO ] Flow matrix only has 49 transitions (discarded 6 similar events)
[2025-06-01 13:46:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:46:36] [INFO ] [Real]Absence check using 8 positive place invariants in 4 ms returned sat
[2025-06-01 13:46:36] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2025-06-01 13:46:36] [INFO ] State equation strengthened by 27 read => feed constraints.
[2025-06-01 13:46:36] [INFO ] [Real]Added 27 Read/Feed constraints in 9 ms returned sat
[2025-06-01 13:46:36] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:46:36] [INFO ] [Nat]Absence check using 8 positive place invariants in 4 ms returned sat
[2025-06-01 13:46:36] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2025-06-01 13:46:36] [INFO ] [Nat]Added 27 Read/Feed constraints in 10 ms returned sat
[2025-06-01 13:46:36] [INFO ] Computed and/alt/rep : 43/151/42 causal constraints (skipped 6 transitions) in 8 ms.
[2025-06-01 13:46:36] [INFO ] Added : 15 causal constraints over 4 iterations in 53 ms. Result :sat
Minimization took 24 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:46:36] [INFO ] [Real]Absence check using 8 positive place invariants in 4 ms returned sat
[2025-06-01 13:46:36] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2025-06-01 13:46:36] [INFO ] [Real]Added 27 Read/Feed constraints in 9 ms returned sat
[2025-06-01 13:46:36] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:46:36] [INFO ] [Nat]Absence check using 8 positive place invariants in 3 ms returned sat
[2025-06-01 13:46:36] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2025-06-01 13:46:36] [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 13:46:36] [INFO ] Deduced a trap composed of 9 places in 62 ms of which 4 ms to minimize.
[2025-06-01 13:46:36] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 69 ms
[2025-06-01 13:46:36] [INFO ] Computed and/alt/rep : 43/151/42 causal constraints (skipped 6 transitions) in 4 ms.
[2025-06-01 13:46:36] [INFO ] Added : 21 causal constraints over 5 iterations in 47 ms. Result :sat
Minimization took 17 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3, 19, 0, 25] Max Struct:[1, +inf, +inf, +inf]
Inconsistency detected : max struct is less than max seen for bound index 0
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3, 19, 0, 25] Max Struct:[1, +inf, +inf, +inf]
Inconsistency detected : max struct is less than max seen for bound index 0
Support contains 2 out of 37 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 37/37 places, 55/55 transitions.
Applied a total of 0 rules in 2 ms. Remains 37 /37 variables (removed 0) and now considering 55/55 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 37/37 places, 55/55 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 37/37 places, 55/55 transitions.
Applied a total of 0 rules in 2 ms. Remains 37 /37 variables (removed 0) and now considering 55/55 (removed 0) transitions.
[2025-06-01 13:46:36] [INFO ] Flow matrix only has 49 transitions (discarded 6 similar events)
[2025-06-01 13:46:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:46:36] [INFO ] Implicit Places using invariants in 56 ms returned []
[2025-06-01 13:46:36] [INFO ] Flow matrix only has 49 transitions (discarded 6 similar events)
[2025-06-01 13:46:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:46:36] [INFO ] State equation strengthened by 27 read => feed constraints.
[2025-06-01 13:46:36] [INFO ] Implicit Places using invariants and state equation in 128 ms returned []
Implicit Place search using SMT with State Equation took 186 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 13:46:36] [INFO ] Redundant transitions in 1 ms returned []
Running 54 sub problems to find dead transitions.
[2025-06-01 13:46:36] [INFO ] Flow matrix only has 49 transitions (discarded 6 similar events)
[2025-06-01 13:46:36] [INFO ] Invariant cache hit.
[2025-06-01 13:46:36] [INFO ] State equation strengthened by 27 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/37 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/37 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 2 (OVERLAPS) 49/86 variables, 37/45 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/86 variables, 27/72 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/86 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 5 (OVERLAPS) 0/86 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 54 unsolved
No progress, stopping.
After SMT solving in domain Real declared 86/86 variables, and 72 constraints, problems are : Problem set: 0 solved, 54 unsolved in 671 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 37/37 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 54/54 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/37 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/37 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 2 (OVERLAPS) 49/86 variables, 37/45 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/86 variables, 27/72 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/86 variables, 54/126 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:46:37] [INFO ] Deduced a trap composed of 4 places in 34 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/86 variables, 1/127 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:46:38] [INFO ] Deduced a trap along path composed of 2 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:46:38] [INFO ] Deduced a trap along path composed of 2 places in 31 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:46:38] [INFO ] Deduced a trap along path composed of 3 places in 27 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/86 variables, 3/130 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:46:38] [INFO ] Deduced a trap composed of 9 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:46:38] [INFO ] Deduced a trap composed of 9 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:46:38] [INFO ] Deduced a trap composed of 6 places in 39 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/86 variables, 3/133 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/86 variables, 0/133 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 9 (OVERLAPS) 0/86 variables, 0/133 constraints. Problems are: Problem set: 0 solved, 54 unsolved
No progress, stopping.
After SMT solving in domain Int declared 86/86 variables, and 133 constraints, problems are : Problem set: 0 solved, 54 unsolved in 2975 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 37/37 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 54/54 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 3664ms problems are : Problem set: 0 solved, 54 unsolved
Search for dead transitions found 0 dead transitions in 3666ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3861 ms. Remains : 37/37 places, 55/55 transitions.
[2025-06-01 13:46:40] [INFO ] Flow matrix only has 49 transitions (discarded 6 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {1=1, 40=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {0=1, 40=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 40 ms. (steps per millisecond=250 ) properties (out of 2) seen :[2147483647, 1]
Current structural bounds on expressions (after cover walk) : Max Seen:[+inf, 19, 0, 25] Max Struct:[1, +inf, +inf, +inf]
Inconsistency detected : max struct is less than max seen for bound index 0
[2025-06-01 13:46:40] [INFO ] Flow matrix only has 49 transitions (discarded 6 similar events)
[2025-06-01 13:46:40] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[+inf, 19, 0, 25] Max Struct:[1, +inf, +inf, +inf]
Inconsistency detected : max struct is less than max seen for bound index 0
RANDOM walk for 1000002 steps (2 resets) in 792 ms. (1261 steps per ms)
FORMULA Medical-PT-06-UpperBounds-07 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 1000001 steps (2 resets) in 588 ms. (1697 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[19, 0, 25] Max Struct:[+inf, +inf, +inf]
[2025-06-01 13:46:41] [INFO ] Flow matrix only has 49 transitions (discarded 6 similar events)
[2025-06-01 13:46:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:46:41] [INFO ] [Real]Absence check using 8 positive place invariants in 3 ms returned sat
[2025-06-01 13:46:41] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2025-06-01 13:46:41] [INFO ] State equation strengthened by 27 read => feed constraints.
[2025-06-01 13:46:41] [INFO ] [Real]Added 27 Read/Feed constraints in 6 ms returned sat
[2025-06-01 13:46:41] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:46:41] [INFO ] [Nat]Absence check using 8 positive place invariants in 7 ms returned sat
[2025-06-01 13:46:41] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2025-06-01 13:46:41] [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 13:46:41] [INFO ] Deduced a trap composed of 9 places in 44 ms of which 3 ms to minimize.
[2025-06-01 13:46:41] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 51 ms
[2025-06-01 13:46:41] [INFO ] Computed and/alt/rep : 43/151/42 causal constraints (skipped 6 transitions) in 5 ms.
[2025-06-01 13:46:42] [INFO ] Added : 21 causal constraints over 5 iterations in 44 ms. Result :sat
Minimization took 18 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[19, 0, 25] Max Struct:[+inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[19, 0, 25] Max Struct:[+inf, +inf, +inf]
Support contains 1 out of 37 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 37/37 places, 55/55 transitions.
Applied a total of 0 rules in 3 ms. Remains 37 /37 variables (removed 0) and now considering 55/55 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 37/37 places, 55/55 transitions.
[2025-06-01 13:46:42] [INFO ] Flow matrix only has 49 transitions (discarded 6 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {1=1, 40=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {0=1, 40=1}
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 :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[19, 0, 25] Max Struct:[+inf, +inf, +inf]
[2025-06-01 13:46:42] [INFO ] Flow matrix only has 49 transitions (discarded 6 similar events)
[2025-06-01 13:46:42] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[19, 0, 25] Max Struct:[+inf, +inf, +inf]
RANDOM walk for 1000002 steps (2 resets) in 692 ms. (1443 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 447 ms. (2232 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[19, 0, 25] Max Struct:[+inf, +inf, +inf]
[2025-06-01 13:46:43] [INFO ] Flow matrix only has 49 transitions (discarded 6 similar events)
[2025-06-01 13:46:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:46:43] [INFO ] [Real]Absence check using 8 positive place invariants in 3 ms returned sat
[2025-06-01 13:46:43] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2025-06-01 13:46:43] [INFO ] State equation strengthened by 27 read => feed constraints.
[2025-06-01 13:46:43] [INFO ] [Real]Added 27 Read/Feed constraints in 5 ms returned sat
[2025-06-01 13:46:43] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:46:43] [INFO ] [Nat]Absence check using 8 positive place invariants in 2 ms returned sat
[2025-06-01 13:46:43] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2025-06-01 13:46:43] [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 13:46:43] [INFO ] Deduced a trap composed of 9 places in 40 ms of which 3 ms to minimize.
[2025-06-01 13:46:43] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 49 ms
[2025-06-01 13:46:43] [INFO ] Computed and/alt/rep : 43/151/42 causal constraints (skipped 6 transitions) in 4 ms.
[2025-06-01 13:46:43] [INFO ] Added : 21 causal constraints over 5 iterations in 44 ms. Result :sat
Minimization took 16 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[19, 0, 25] Max Struct:[+inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[19, 0, 25] Max Struct:[+inf, +inf, +inf]
Support contains 1 out of 37 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 37/37 places, 55/55 transitions.
Applied a total of 0 rules in 2 ms. Remains 37 /37 variables (removed 0) and now considering 55/55 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 37/37 places, 55/55 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 37/37 places, 55/55 transitions.
Applied a total of 0 rules in 2 ms. Remains 37 /37 variables (removed 0) and now considering 55/55 (removed 0) transitions.
[2025-06-01 13:46:43] [INFO ] Flow matrix only has 49 transitions (discarded 6 similar events)
[2025-06-01 13:46:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:46:43] [INFO ] Implicit Places using invariants in 58 ms returned []
[2025-06-01 13:46:43] [INFO ] Flow matrix only has 49 transitions (discarded 6 similar events)
[2025-06-01 13:46:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:46:43] [INFO ] State equation strengthened by 27 read => feed constraints.
[2025-06-01 13:46:43] [INFO ] Implicit Places using invariants and state equation in 103 ms returned []
Implicit Place search using SMT with State Equation took 162 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 13:46:43] [INFO ] Redundant transitions in 1 ms returned []
Running 54 sub problems to find dead transitions.
[2025-06-01 13:46:43] [INFO ] Flow matrix only has 49 transitions (discarded 6 similar events)
[2025-06-01 13:46:43] [INFO ] Invariant cache hit.
[2025-06-01 13:46:43] [INFO ] State equation strengthened by 27 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/37 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/37 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 2 (OVERLAPS) 49/86 variables, 37/45 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/86 variables, 27/72 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/86 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 5 (OVERLAPS) 0/86 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 54 unsolved
No progress, stopping.
After SMT solving in domain Real declared 86/86 variables, and 72 constraints, problems are : Problem set: 0 solved, 54 unsolved in 847 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 37/37 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 54/54 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/37 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/37 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 2 (OVERLAPS) 49/86 variables, 37/45 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/86 variables, 27/72 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/86 variables, 54/126 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:46:45] [INFO ] Deduced a trap composed of 4 places in 33 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/86 variables, 1/127 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:46:45] [INFO ] Deduced a trap along path composed of 2 places in 21 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:46:45] [INFO ] Deduced a trap along path composed of 2 places in 21 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:46:45] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/86 variables, 3/130 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:46:46] [INFO ] Deduced a trap composed of 9 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:46:46] [INFO ] Deduced a trap composed of 9 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:46:46] [INFO ] Deduced a trap composed of 6 places in 23 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/86 variables, 3/133 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/86 variables, 0/133 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 9 (OVERLAPS) 0/86 variables, 0/133 constraints. Problems are: Problem set: 0 solved, 54 unsolved
No progress, stopping.
After SMT solving in domain Int declared 86/86 variables, and 133 constraints, problems are : Problem set: 0 solved, 54 unsolved in 3791 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 37/37 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 54/54 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 4656ms problems are : Problem set: 0 solved, 54 unsolved
Search for dead transitions found 0 dead transitions in 4658ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4828 ms. Remains : 37/37 places, 55/55 transitions.
[2025-06-01 13:46:48] [INFO ] Flow matrix only has 49 transitions (discarded 6 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {1=1, 40=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {0=1, 40=1}
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 :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[19, 0, 25] Max Struct:[+inf, +inf, +inf]
RANDOM walk for 40007 steps (8 resets) in 318 ms. (125 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 194 ms. (205 steps per ms) remains 1/1 properties
[2025-06-01 13:46:48] [INFO ] Flatten gal took : 82 ms
[2025-06-01 13:46:48] [INFO ] Flatten gal took : 32 ms
[2025-06-01 13:46:48] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9406525773889505913.gal : 16 ms
[2025-06-01 13:46:48] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8076109203731446358.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/ReachabilityCardinality9406525773889505913.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8076109203731446358.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/ReachabilityCardinality8076109203731446358.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 7
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :7 after 27
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :27 after 306
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :306 after 999
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :999 after 2364
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :2364 after 5073
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :5073 after 10470
Interrupted probabilistic random walk after 2077843 steps, run timeout after 3001 ms. (steps per millisecond=692 ) properties seen :0 out of 1
Probabilistic random walk after 2077843 steps, saw 1208033 distinct states, run finished after 3007 ms. (steps per millisecond=691 ) properties seen :0
[2025-06-01 13:46:51] [INFO ] Flow matrix only has 49 transitions (discarded 6 similar events)
[2025-06-01 13:46:51] [INFO ] Invariant cache hit.
[2025-06-01 13:46:51] [INFO ] State equation strengthened by 27 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, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 29/35 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/35 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/35 variables, 10/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/35 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 34/69 variables, 17/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/69 variables, 3/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/69 variables, 11/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/69 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 15/84 variables, 11/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/84 variables, 3/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/84 variables, 5/69 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/84 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 2/86 variables, 2/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/86 variables, 1/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/86 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/86 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 86/86 variables, and 72 constraints, problems are : Problem set: 0 solved, 1 unsolved in 85 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 37/37 constraints, ReadFeed: 27/27 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, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 29/35 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/35 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/35 variables, 10/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/35 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 34/69 variables, 17/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/69 variables, 3/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/69 variables, 11/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/69 variables, 1/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/69 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 15/84 variables, 11/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/84 variables, 3/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/84 variables, 5/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:46:51] [INFO ] Deduced a trap composed of 9 places in 38 ms of which 2 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/84 variables, 1/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/84 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 2/86 variables, 2/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/86 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/86 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/86 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 86/86 variables, and 74 constraints, problems are : Problem set: 0 solved, 1 unsolved in 152 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 37/37 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 242ms problems are : Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :10470 after 21243
Parikh walk visited 0 properties in 51 ms.
Support contains 1 out of 37 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 37/37 places, 55/55 transitions.
Applied a total of 0 rules in 2 ms. Remains 37 /37 variables (removed 0) and now considering 55/55 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 37/37 places, 55/55 transitions.
RANDOM walk for 40005 steps (8 resets) in 231 ms. (172 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (8 resets) in 72 ms. (547 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2346991 steps, run timeout after 3001 ms. (steps per millisecond=782 ) properties seen :0 out of 1
Probabilistic random walk after 2346991 steps, saw 1369522 distinct states, run finished after 3003 ms. (steps per millisecond=781 ) properties seen :0
[2025-06-01 13:46:54] [INFO ] Flow matrix only has 49 transitions (discarded 6 similar events)
[2025-06-01 13:46:54] [INFO ] Invariant cache hit.
[2025-06-01 13:46:54] [INFO ] State equation strengthened by 27 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, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 29/35 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/35 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/35 variables, 10/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/35 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 34/69 variables, 17/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/69 variables, 3/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/69 variables, 11/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/69 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 15/84 variables, 11/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/84 variables, 3/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/84 variables, 5/69 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/84 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 2/86 variables, 2/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/86 variables, 1/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/86 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/86 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 86/86 variables, and 72 constraints, problems are : Problem set: 0 solved, 1 unsolved in 86 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 37/37 constraints, ReadFeed: 27/27 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, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 29/35 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/35 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/35 variables, 10/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/35 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 34/69 variables, 17/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/69 variables, 3/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/69 variables, 11/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/69 variables, 1/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/69 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 15/84 variables, 11/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/84 variables, 3/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/84 variables, 5/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:46:55] [INFO ] Deduced a trap composed of 9 places in 39 ms of which 3 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/84 variables, 1/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/84 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 2/86 variables, 2/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/86 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/86 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/86 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 86/86 variables, and 74 constraints, problems are : Problem set: 0 solved, 1 unsolved in 146 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 37/37 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 237ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 25 ms.
Support contains 1 out of 37 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 37/37 places, 55/55 transitions.
Applied a total of 0 rules in 8 ms. Remains 37 /37 variables (removed 0) and now considering 55/55 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 37/37 places, 55/55 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 37/37 places, 55/55 transitions.
Applied a total of 0 rules in 3 ms. Remains 37 /37 variables (removed 0) and now considering 55/55 (removed 0) transitions.
[2025-06-01 13:46:55] [INFO ] Flow matrix only has 49 transitions (discarded 6 similar events)
[2025-06-01 13:46:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:46:55] [INFO ] Implicit Places using invariants in 52 ms returned []
[2025-06-01 13:46:55] [INFO ] Flow matrix only has 49 transitions (discarded 6 similar events)
[2025-06-01 13:46:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:46:55] [INFO ] State equation strengthened by 27 read => feed constraints.
[2025-06-01 13:46:55] [INFO ] Implicit Places using invariants and state equation in 90 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 13:46:55] [INFO ] Redundant transitions in 1 ms returned []
Running 54 sub problems to find dead transitions.
[2025-06-01 13:46:55] [INFO ] Flow matrix only has 49 transitions (discarded 6 similar events)
[2025-06-01 13:46:55] [INFO ] Invariant cache hit.
[2025-06-01 13:46:55] [INFO ] State equation strengthened by 27 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/37 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/37 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 2 (OVERLAPS) 49/86 variables, 37/45 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/86 variables, 27/72 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/86 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 5 (OVERLAPS) 0/86 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 54 unsolved
No progress, stopping.
After SMT solving in domain Real declared 86/86 variables, and 72 constraints, problems are : Problem set: 0 solved, 54 unsolved in 648 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 37/37 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 54/54 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/37 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/37 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 2 (OVERLAPS) 49/86 variables, 37/45 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/86 variables, 27/72 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/86 variables, 54/126 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:46:56] [INFO ] Deduced a trap composed of 4 places in 52 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/86 variables, 1/127 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:46:56] [INFO ] Deduced a trap along path composed of 2 places in 22 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:46:56] [INFO ] Deduced a trap along path composed of 2 places in 20 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:46:56] [INFO ] Deduced a trap along path composed of 3 places in 19 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/86 variables, 3/130 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:46:57] [INFO ] Deduced a trap composed of 9 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:46:57] [INFO ] Deduced a trap composed of 9 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:46:57] [INFO ] Deduced a trap composed of 6 places in 23 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/86 variables, 3/133 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/86 variables, 0/133 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 9 (OVERLAPS) 0/86 variables, 0/133 constraints. Problems are: Problem set: 0 solved, 54 unsolved
No progress, stopping.
After SMT solving in domain Int declared 86/86 variables, and 133 constraints, problems are : Problem set: 0 solved, 54 unsolved in 2681 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 37/37 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 54/54 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 3338ms problems are : Problem set: 0 solved, 54 unsolved
Search for dead transitions found 0 dead transitions in 3342ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3496 ms. Remains : 37/37 places, 55/55 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (complete) has 86 edges and 37 vertex of which 35 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.0 ms
Discarding 2 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 9 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 11 rules applied. Total rules applied 12 place count 35 transition count 44
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 14 place count 33 transition count 44
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 15 place count 32 transition count 42
Iterating global reduction 2 with 1 rules applied. Total rules applied 16 place count 32 transition count 42
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 3 places and 0 transitions.
Iterating global reduction 2 with 5 rules applied. Total rules applied 21 place count 29 transition count 40
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -9
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 5 rules applied. Total rules applied 26 place count 26 transition count 49
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 2 with 2 rules applied. Total rules applied 28 place count 26 transition count 52
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 31 place count 23 transition count 52
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 3 with 1 rules applied. Total rules applied 32 place count 23 transition count 75
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 33 place count 22 transition count 75
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 4 with 1 rules applied. Total rules applied 34 place count 22 transition count 75
Applied a total of 34 rules in 18 ms. Remains 22 /37 variables (removed 15) and now considering 75/55 (removed -20) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 75 rows 22 cols
[2025-06-01 13:46:58] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 13:46:58] [INFO ] [Real]Absence check using 5 positive place invariants in 1 ms returned sat
[2025-06-01 13:46:58] [INFO ] After 52ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 13:46:58] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2025-06-01 13:46:58] [INFO ] After 23ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-01 13:46:58] [INFO ] State equation strengthened by 12 read => feed constraints.
[2025-06-01 13:46:58] [INFO ] After 7ms SMT Verify possible using 12 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-01 13:46:58] [INFO ] After 14ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-01 13:46:58] [INFO ] After 67ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-01 13:46:58] [INFO ] Flatten gal took : 16 ms
[2025-06-01 13:46:58] [INFO ] Flatten gal took : 15 ms
[2025-06-01 13:46:58] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9124831232421267230.gal : 4 ms
[2025-06-01 13:46:58] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14191373453374400779.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/ReachabilityCardinality9124831232421267230.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14191373453374400779.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/ReachabilityCardinality14191373453374400779.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 19
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :19 after 37
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :37 after 71
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :71 after 137
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :137 after 267
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :267 after 525
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :525 after 1039
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :1039 after 2065
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :21243 after 42768
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :2065 after 4115
Detected timeout of ITS tools.
[2025-06-01 13:47:13] [INFO ] Flatten gal took : 13 ms
[2025-06-01 13:47:13] [INFO ] Applying decomposition
[2025-06-01 13:47:13] [INFO ] Flatten gal took : 12 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph13164521650779970151.txt' '-o' '/tmp/graph13164521650779970151.bin' '-w' '/tmp/graph13164521650779970151.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph13164521650779970151.bin' '-l' '-1' '-v' '-w' '/tmp/graph13164521650779970151.weights' '-q' '0' '-e' '0.001'
[2025-06-01 13:47:14] [INFO ] Decomposing Gal with order
[2025-06-01 13:47:14] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 13:47:14] [INFO ] Removed a total of 100 redundant transitions.
[2025-06-01 13:47:14] [INFO ] Flatten gal took : 67 ms
[2025-06-01 13:47:14] [INFO ] Fuse similar labels procedure discarded/fused a total of 52 labels/synchronizations in 8 ms.
[2025-06-01 13:47:14] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11014418858645646274.gal : 4 ms
[2025-06-01 13:47:14] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6647535079328701928.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/ReachabilityCardinality11014418858645646274.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6647535079328701928.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/ReachabilityCardinality6647535079328701928.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 4
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :4 after 9
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :9 after 18
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :18 after 35
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :35 after 68
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :68 after 133
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :133 after 262
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :262 after 519
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :519 after 1032
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :1032 after 2057
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30547 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2025-06-01 13:47:29] [INFO ] Flatten gal took : 8 ms
[2025-06-01 13:47:29] [INFO ] Applying decomposition
[2025-06-01 13:47:29] [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/graph15154357916717810742.txt' '-o' '/tmp/graph15154357916717810742.bin' '-w' '/tmp/graph15154357916717810742.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph15154357916717810742.bin' '-l' '-1' '-v' '-w' '/tmp/graph15154357916717810742.weights' '-q' '0' '-e' '0.001'
[2025-06-01 13:47:29] [INFO ] Decomposing Gal with order
[2025-06-01 13:47:29] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 13:47:29] [INFO ] Removed a total of 16 redundant transitions.
[2025-06-01 13:47:29] [INFO ] Flatten gal took : 10 ms
[2025-06-01 13:47:29] [INFO ] Fuse similar labels procedure discarded/fused a total of 25 labels/synchronizations in 2 ms.
[2025-06-01 13:47:29] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11802539772615606504.gal : 8 ms
[2025-06-01 13:47:29] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12035234391369136148.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/ReachabilityCardinality11802539772615606504.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12035234391369136148.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/ReachabilityCardinality12035234391369136148.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 14
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :14 after 28
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :28 after 49
Detected timeout of ITS tools.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[19, 0, 25] Max Struct:[+inf, +inf, +inf]
Starting property specific reduction for Medical-PT-06-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 13:48:19] [INFO ] Flow matrix only has 49 transitions (discarded 6 similar events)
// Phase 1: matrix 49 rows 37 cols
[2025-06-01 13:48:19] [INFO ] Computed 8 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10003 steps (2 resets) in 7 ms. (1250 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 6 ms. (1428 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10] Max Struct:[+inf]
[2025-06-01 13:48:19] [INFO ] Flow matrix only has 49 transitions (discarded 6 similar events)
[2025-06-01 13:48:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 13:48:19] [INFO ] [Real]Absence check using 8 positive place invariants in 13 ms returned sat
[2025-06-01 13:48:19] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2025-06-01 13:48:19] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 13:48:19] [INFO ] [Nat]Absence check using 8 positive place invariants in 3 ms returned sat
[2025-06-01 13:48:19] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2025-06-01 13:48:19] [INFO ] State equation strengthened by 27 read => feed constraints.
[2025-06-01 13:48:19] [INFO ] [Nat]Added 27 Read/Feed constraints in 7 ms returned sat
[2025-06-01 13:48:19] [INFO ] Computed and/alt/rep : 43/151/42 causal constraints (skipped 6 transitions) in 6 ms.
[2025-06-01 13:48:19] [INFO ] Added : 17 causal constraints over 5 iterations in 49 ms. Result :sat
Minimization took 18 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 37 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 37/37 places, 55/55 transitions.
Applied a total of 0 rules in 2 ms. Remains 37 /37 variables (removed 0) and now considering 55/55 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 37/37 places, 55/55 transitions.
[2025-06-01 13:48:19] [INFO ] Flow matrix only has 49 transitions (discarded 6 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {1=1, 40=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {0=1, 40=1}
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 :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[10] Max Struct:[+inf]
[2025-06-01 13:48:19] [INFO ] Flow matrix only has 49 transitions (discarded 6 similar events)
[2025-06-01 13:48:19] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[10] Max Struct:[+inf]
RANDOM walk for 1000004 steps (2 resets) in 926 ms. (1078 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 423 ms. (2358 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[11] Max Struct:[+inf]
[2025-06-01 13:48:21] [INFO ] Flow matrix only has 49 transitions (discarded 6 similar events)
[2025-06-01 13:48:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:48:21] [INFO ] [Real]Absence check using 8 positive place invariants in 3 ms returned sat
[2025-06-01 13:48:21] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2025-06-01 13:48:21] [INFO ] State equation strengthened by 27 read => feed constraints.
[2025-06-01 13:48:21] [INFO ] [Real]Added 27 Read/Feed constraints in 6 ms returned sat
[2025-06-01 13:48:21] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:48:21] [INFO ] [Nat]Absence check using 8 positive place invariants in 3 ms returned sat
[2025-06-01 13:48:21] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2025-06-01 13:48:21] [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 13:48:21] [INFO ] Deduced a trap composed of 9 places in 56 ms of which 4 ms to minimize.
[2025-06-01 13:48:21] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 63 ms
[2025-06-01 13:48:21] [INFO ] Computed and/alt/rep : 43/151/42 causal constraints (skipped 6 transitions) in 6 ms.
[2025-06-01 13:48:21] [INFO ] Added : 21 causal constraints over 5 iterations in 46 ms. Result :sat
Minimization took 17 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 37 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 37/37 places, 55/55 transitions.
Applied a total of 0 rules in 2 ms. Remains 37 /37 variables (removed 0) and now considering 55/55 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 37/37 places, 55/55 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 37/37 places, 55/55 transitions.
Applied a total of 0 rules in 2 ms. Remains 37 /37 variables (removed 0) and now considering 55/55 (removed 0) transitions.
[2025-06-01 13:48:21] [INFO ] Flow matrix only has 49 transitions (discarded 6 similar events)
[2025-06-01 13:48:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:48:21] [INFO ] Implicit Places using invariants in 61 ms returned []
[2025-06-01 13:48:21] [INFO ] Flow matrix only has 49 transitions (discarded 6 similar events)
[2025-06-01 13:48:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:48:21] [INFO ] State equation strengthened by 27 read => feed constraints.
[2025-06-01 13:48:21] [INFO ] Implicit Places using invariants and state equation in 97 ms returned []
Implicit Place search using SMT with State Equation took 159 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 13:48:21] [INFO ] Redundant transitions in 5 ms returned []
Running 54 sub problems to find dead transitions.
[2025-06-01 13:48:21] [INFO ] Flow matrix only has 49 transitions (discarded 6 similar events)
[2025-06-01 13:48:21] [INFO ] Invariant cache hit.
[2025-06-01 13:48:21] [INFO ] State equation strengthened by 27 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/37 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/37 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 2 (OVERLAPS) 49/86 variables, 37/45 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/86 variables, 27/72 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/86 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 5 (OVERLAPS) 0/86 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 54 unsolved
No progress, stopping.
After SMT solving in domain Real declared 86/86 variables, and 72 constraints, problems are : Problem set: 0 solved, 54 unsolved in 669 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 37/37 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 54/54 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/37 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/37 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 2 (OVERLAPS) 49/86 variables, 37/45 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/86 variables, 27/72 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/86 variables, 54/126 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:48:22] [INFO ] Deduced a trap composed of 4 places in 42 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/86 variables, 1/127 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:48:23] [INFO ] Deduced a trap along path composed of 2 places in 26 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:48:23] [INFO ] Deduced a trap along path composed of 2 places in 20 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:48:23] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/86 variables, 3/130 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:48:23] [INFO ] Deduced a trap composed of 9 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:48:23] [INFO ] Deduced a trap composed of 9 places in 27 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:48:23] [INFO ] Deduced a trap composed of 6 places in 24 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/86 variables, 3/133 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/86 variables, 0/133 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 9 (OVERLAPS) 0/86 variables, 0/133 constraints. Problems are: Problem set: 0 solved, 54 unsolved
No progress, stopping.
After SMT solving in domain Int declared 86/86 variables, and 133 constraints, problems are : Problem set: 0 solved, 54 unsolved in 2756 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 37/37 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 54/54 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 3441ms problems are : Problem set: 0 solved, 54 unsolved
Search for dead transitions found 0 dead transitions in 3442ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3613 ms. Remains : 37/37 places, 55/55 transitions.
[2025-06-01 13:48:24] [INFO ] Flow matrix only has 49 transitions (discarded 6 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {1=1, 40=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {0=1, 40=1}
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 :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[11] Max Struct:[+inf]
[2025-06-01 13:48:25] [INFO ] Flow matrix only has 49 transitions (discarded 6 similar events)
[2025-06-01 13:48:25] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[11] Max Struct:[+inf]
RANDOM walk for 1000003 steps (2 resets) in 518 ms. (1926 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:[11] Max Struct:[+inf]
[2025-06-01 13:48:25] [INFO ] Flow matrix only has 49 transitions (discarded 6 similar events)
[2025-06-01 13:48:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:48:25] [INFO ] [Real]Absence check using 8 positive place invariants in 3 ms returned sat
[2025-06-01 13:48:26] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2025-06-01 13:48:26] [INFO ] State equation strengthened by 27 read => feed constraints.
[2025-06-01 13:48:26] [INFO ] [Real]Added 27 Read/Feed constraints in 7 ms returned sat
[2025-06-01 13:48:26] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 13:48:26] [INFO ] [Nat]Absence check using 8 positive place invariants in 3 ms returned sat
[2025-06-01 13:48:26] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2025-06-01 13:48:26] [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 13:48:26] [INFO ] Deduced a trap composed of 9 places in 52 ms of which 5 ms to minimize.
[2025-06-01 13:48:26] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 60 ms
[2025-06-01 13:48:26] [INFO ] Computed and/alt/rep : 43/151/42 causal constraints (skipped 6 transitions) in 5 ms.
[2025-06-01 13:48:26] [INFO ] Added : 21 causal constraints over 5 iterations in 46 ms. Result :sat
Minimization took 18 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 37 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 37/37 places, 55/55 transitions.
Applied a total of 0 rules in 3 ms. Remains 37 /37 variables (removed 0) and now considering 55/55 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 37/37 places, 55/55 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 37/37 places, 55/55 transitions.
Applied a total of 0 rules in 2 ms. Remains 37 /37 variables (removed 0) and now considering 55/55 (removed 0) transitions.
[2025-06-01 13:48:26] [INFO ] Flow matrix only has 49 transitions (discarded 6 similar events)
[2025-06-01 13:48:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:48:26] [INFO ] Implicit Places using invariants in 73 ms returned []
[2025-06-01 13:48:26] [INFO ] Flow matrix only has 49 transitions (discarded 6 similar events)
[2025-06-01 13:48:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 13:48:26] [INFO ] State equation strengthened by 27 read => feed constraints.
[2025-06-01 13:48:26] [INFO ] Implicit Places using invariants and state equation in 116 ms returned []
Implicit Place search using SMT with State Equation took 191 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 13:48:26] [INFO ] Redundant transitions in 1 ms returned []
Running 54 sub problems to find dead transitions.
[2025-06-01 13:48:26] [INFO ] Flow matrix only has 49 transitions (discarded 6 similar events)
[2025-06-01 13:48:26] [INFO ] Invariant cache hit.
[2025-06-01 13:48:26] [INFO ] State equation strengthened by 27 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/37 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/37 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 2 (OVERLAPS) 49/86 variables, 37/45 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/86 variables, 27/72 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/86 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 5 (OVERLAPS) 0/86 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 54 unsolved
No progress, stopping.
After SMT solving in domain Real declared 86/86 variables, and 72 constraints, problems are : Problem set: 0 solved, 54 unsolved in 762 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 37/37 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 54/54 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/37 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/37 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 2 (OVERLAPS) 49/86 variables, 37/45 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/86 variables, 27/72 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/86 variables, 54/126 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:48:27] [INFO ] Deduced a trap composed of 4 places in 52 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/86 variables, 1/127 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:48:28] [INFO ] Deduced a trap along path composed of 2 places in 18 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:48:28] [INFO ] Deduced a trap along path composed of 2 places in 24 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:48:28] [INFO ] Deduced a trap along path composed of 3 places in 26 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/86 variables, 3/130 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:48:28] [INFO ] Deduced a trap composed of 9 places in 31 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:48:28] [INFO ] Deduced a trap composed of 9 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:48:28] [INFO ] Deduced a trap composed of 6 places in 27 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/86 variables, 3/133 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/86 variables, 0/133 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 9 (OVERLAPS) 0/86 variables, 0/133 constraints. Problems are: Problem set: 0 solved, 54 unsolved
No progress, stopping.
After SMT solving in domain Int declared 86/86 variables, and 133 constraints, problems are : Problem set: 0 solved, 54 unsolved in 3395 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 37/37 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 54/54 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 4175ms problems are : Problem set: 0 solved, 54 unsolved
Search for dead transitions found 0 dead transitions in 4175ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4374 ms. Remains : 37/37 places, 55/55 transitions.
[2025-06-01 13:48:30] [INFO ] Flow matrix only has 49 transitions (discarded 6 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {1=1, 40=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {0=1, 40=1}
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 :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[11] Max Struct:[+inf]
[2025-06-01 13:48:30] [INFO ] Flatten gal took : 10 ms
[2025-06-01 13:48:30] [INFO ] Flatten gal took : 9 ms
[2025-06-01 13:48:30] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6602384718585540222.gal : 3 ms
[2025-06-01 13:48:30] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6875725218423881253.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/ReachabilityCardinality6602384718585540222.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6875725218423881253.prop' '--nowitness' '--gen-order' 'FOLLOW'
RANDOM walk for 40006 steps (8 resets) in 83 ms. (476 steps per ms) remains 1/1 properties

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality6875725218423881253.prop.
SDD proceeding with computation,1 properties remain. new max is 4
BEST_FIRST walk for 40004 steps (8 resets) in 124 ms. (320 steps per ms) remains 1/1 properties
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 7
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :7 after 27
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :27 after 306
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :306 after 999
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :999 after 2364
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :2364 after 5073
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :5073 after 10470
Interrupted probabilistic random walk after 2096573 steps, run timeout after 3001 ms. (steps per millisecond=698 ) properties seen :0 out of 1
Probabilistic random walk after 2096573 steps, saw 1219271 distinct states, run finished after 3001 ms. (steps per millisecond=698 ) properties seen :0
[2025-06-01 13:48:33] [INFO ] Flow matrix only has 49 transitions (discarded 6 similar events)
[2025-06-01 13:48:33] [INFO ] Invariant cache hit.
[2025-06-01 13:48:33] [INFO ] State equation strengthened by 27 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, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :10470 after 21243
At refinement iteration 4 (OVERLAPS) 29/35 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/35 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/35 variables, 10/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/35 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 34/69 variables, 17/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/69 variables, 3/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/69 variables, 11/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/69 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 15/84 variables, 11/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/84 variables, 3/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/84 variables, 5/69 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/84 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 2/86 variables, 2/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/86 variables, 1/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/86 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/86 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 86/86 variables, and 72 constraints, problems are : Problem set: 0 solved, 1 unsolved in 99 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 37/37 constraints, ReadFeed: 27/27 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, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 29/35 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/35 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/35 variables, 10/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/35 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 34/69 variables, 17/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/69 variables, 3/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/69 variables, 11/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/69 variables, 1/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/69 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 15/84 variables, 11/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/84 variables, 3/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/84 variables, 5/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 13:48:33] [INFO ] Deduced a trap composed of 9 places in 45 ms of which 3 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/84 variables, 1/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/84 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 2/86 variables, 2/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/86 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/86 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/86 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 86/86 variables, and 74 constraints, problems are : Problem set: 0 solved, 1 unsolved in 173 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 37/37 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 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 31 ms.
Support contains 1 out of 37 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 37/37 places, 55/55 transitions.
Applied a total of 0 rules in 3 ms. Remains 37 /37 variables (removed 0) and now considering 55/55 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 37/37 places, 55/55 transitions.
RANDOM walk for 40007 steps (8 resets) in 83 ms. (476 steps per ms) remains 1/1 properties
BEST_FIRST walk for 37857 steps (8 resets) in 60 ms. (620 steps per ms) remains 0/1 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[11] Max Struct:[+inf]
Ending property specific reduction for Medical-PT-06-UpperBounds-13 in 14682 ms.
[2025-06-01 13:48:34] [INFO ] Flatten gal took : 10 ms
[2025-06-01 13:48:34] [INFO ] Applying decomposition
[2025-06-01 13:48:34] [INFO ] Flatten gal took : 6 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph3442962883332930535.txt' '-o' '/tmp/graph3442962883332930535.bin' '-w' '/tmp/graph3442962883332930535.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph3442962883332930535.bin' '-l' '-1' '-v' '-w' '/tmp/graph3442962883332930535.weights' '-q' '0' '-e' '0.001'
[2025-06-01 13:48:34] [INFO ] Decomposing Gal with order
[2025-06-01 13:48:34] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 13:48:34] [INFO ] Removed a total of 16 redundant transitions.
[2025-06-01 13:48:34] [INFO ] Flatten gal took : 9 ms
[2025-06-01 13:48:34] [INFO ] Fuse similar labels procedure discarded/fused a total of 25 labels/synchronizations in 2 ms.
[2025-06-01 13:48:34] [INFO ] Time to serialize gal into /tmp/UpperBounds2423802347043482627.gal : 1 ms
[2025-06-01 13:48:34] [INFO ] Time to serialize properties into /tmp/UpperBounds6211369299782608892.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/UpperBounds2423802347043482627.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds6211369299782608892.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...283
Loading property file /tmp/UpperBounds6211369299782608892.prop.
Detected timeout of ITS tools.
[2025-06-01 14:09:31] [INFO ] Flatten gal took : 7 ms
[2025-06-01 14:09:31] [INFO ] Time to serialize gal into /tmp/UpperBounds5534940522588391995.gal : 1 ms
[2025-06-01 14:09:31] [INFO ] Time to serialize properties into /tmp/UpperBounds17236020853132284097.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/UpperBounds5534940522588391995.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds17236020853132284097.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...305
Loading property file /tmp/UpperBounds17236020853132284097.prop.
Detected timeout of ITS tools.
[2025-06-01 14:30:29] [INFO ] Flatten gal took : 6 ms
[2025-06-01 14:30:29] [INFO ] Input system was already deterministic with 55 transitions.
[2025-06-01 14:30:29] [INFO ] Transformed 37 places.
[2025-06-01 14:30:29] [INFO ] Transformed 55 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 14:30:29] [INFO ] Time to serialize gal into /tmp/UpperBounds8388264357781082898.gal : 1 ms
[2025-06-01 14:30:29] [INFO ] Time to serialize properties into /tmp/UpperBounds5352947031800762243.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/UpperBounds8388264357781082898.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds5352947031800762243.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/UpperBounds5352947031800762243.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="Medical-PT-06"
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 Medical-PT-06, 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 r128-smll-174876523800021"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Medical-PT-06.tgz
mv Medical-PT-06 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 ;