MCC'2024- Execution of r136-tall-171631133000613

About the Execution of ITS-Tools for DoubleLock-PT-p2s1

Execution Summary
Max Memory Used (MB)	Time wait (ms)	CPU Usage (ms)	I/O Wait (ms)	Computed Result	Execution Status
16205.159	3600000.00	3837762.00	9686.90	1 1 1 1 inf ? 0 inf ? 1 1 inf inf ? 1 ?	normal

Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r136-tall-171631133000613.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-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 2-5568
Executing tool itstools
Input is DoubleLock-PT-p2s1, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r136-tall-171631133000613
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 480K
-rw-r--r-- 1 mcc users 5.4K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 57K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.0K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 46K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.3K May 19 07:09 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K May 19 15:48 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Apr 22 14:42 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Apr 22 14:42 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.9K Apr 12 13:38 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 98K Apr 12 13:38 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.9K Apr 12 13:37 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 68K Apr 12 13:37 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K May 19 07:11 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K May 19 15:25 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 5 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 97K May 18 16:42 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

here is the order used to build the result vector(from text file)
FORMULA_NAME DoubleLock-PT-p2s1-UpperBounds-00
FORMULA_NAME DoubleLock-PT-p2s1-UpperBounds-01
FORMULA_NAME DoubleLock-PT-p2s1-UpperBounds-02
FORMULA_NAME DoubleLock-PT-p2s1-UpperBounds-03
FORMULA_NAME DoubleLock-PT-p2s1-UpperBounds-04
FORMULA_NAME DoubleLock-PT-p2s1-UpperBounds-05
FORMULA_NAME DoubleLock-PT-p2s1-UpperBounds-06
FORMULA_NAME DoubleLock-PT-p2s1-UpperBounds-07
FORMULA_NAME DoubleLock-PT-p2s1-UpperBounds-08
FORMULA_NAME DoubleLock-PT-p2s1-UpperBounds-09
FORMULA_NAME DoubleLock-PT-p2s1-UpperBounds-10
FORMULA_NAME DoubleLock-PT-p2s1-UpperBounds-11
FORMULA_NAME DoubleLock-PT-p2s1-UpperBounds-12
FORMULA_NAME DoubleLock-PT-p2s1-UpperBounds-13
FORMULA_NAME DoubleLock-PT-p2s1-UpperBounds-14
FORMULA_NAME DoubleLock-PT-p2s1-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1716409034196

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DoubleLock-PT-p2s1
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202405141337
[2024-05-22 20:17:15] [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]
[2024-05-22 20:17:15] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-22 20:17:15] [INFO ] Load time of PNML (sax parser for PT used): 77 ms
[2024-05-22 20:17:15] [INFO ] Transformed 64 places.
[2024-05-22 20:17:15] [INFO ] Transformed 212 transitions.
[2024-05-22 20:17:15] [INFO ] Parsed PT model containing 64 places and 212 transitions and 860 arcs in 172 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 8 ms.
Reduction of identical properties reduced properties to check from 16 to 15
Deduced a syphon composed of 8 places in 1 ms
Reduce places removed 8 places and 8 transitions.
FORMULA DoubleLock-PT-p2s1-UpperBounds-06 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-22 20:17:15] [INFO ] Flow matrix only has 152 transitions (discarded 52 similar events)
// Phase 1: matrix 152 rows 56 cols
[2024-05-22 20:17:15] [INFO ] Computed 4 invariants in 14 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, +inf, +inf, +inf, +inf, 1, 1, +inf, +inf, +inf, 1]
FORMULA DoubleLock-PT-p2s1-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 10000 steps (51 resets) in 44 ms. (222 steps per ms)
FORMULA DoubleLock-PT-p2s1-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p2s1-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p2s1-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p2s1-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p2s1-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p2s1-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 70007 steps (51 resets) in 77 ms. (897 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[14, 16, 9, 4, 6, 14, 9] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-22 20:17:15] [INFO ] Flow matrix only has 152 transitions (discarded 52 similar events)
[2024-05-22 20:17:15] [INFO ] Invariant cache hit.
[2024-05-22 20:17:15] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-22 20:17:15] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-22 20:17:15] [INFO ] [Real]Absence check using state equation in 61 ms returned sat
[2024-05-22 20:17:15] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 20:17:16] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:17:16] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-22 20:17:16] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2024-05-22 20:17:16] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-22 20:17:16] [INFO ] [Nat]Added 27 Read/Feed constraints in 7 ms returned sat
[2024-05-22 20:17:16] [INFO ] Computed and/alt/rep : 67/466/67 causal constraints (skipped 83 transitions) in 20 ms.
[2024-05-22 20:17:16] [INFO ] Added : 29 causal constraints over 6 iterations in 109 ms. Result :sat
Minimization took 41 ms.
[2024-05-22 20:17:16] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:17:16] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-22 20:17:16] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-22 20:17:16] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 20:17:16] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:17:16] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-22 20:17:16] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-22 20:17:16] [INFO ] [Nat]Added 27 Read/Feed constraints in 6 ms returned sat
[2024-05-22 20:17:16] [INFO ] Computed and/alt/rep : 67/466/67 causal constraints (skipped 83 transitions) in 17 ms.
[2024-05-22 20:17:16] [INFO ] Added : 11 causal constraints over 3 iterations in 61 ms. Result :sat
Minimization took 37 ms.
[2024-05-22 20:17:16] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:17:16] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 6 ms returned sat
[2024-05-22 20:17:16] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-22 20:17:16] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 20:17:16] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-22 20:17:16] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-22 20:17:16] [INFO ] [Nat]Absence check using state equation in 46 ms returned sat
[2024-05-22 20:17:16] [INFO ] [Nat]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-05-22 20:17:16] [INFO ] Computed and/alt/rep : 67/466/67 causal constraints (skipped 83 transitions) in 25 ms.
[2024-05-22 20:17:16] [INFO ] Deduced a trap composed of 12 places in 67 ms of which 16 ms to minimize.
[2024-05-22 20:17:16] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 90 ms
[2024-05-22 20:17:16] [INFO ] Added : 22 causal constraints over 6 iterations in 219 ms. Result :sat
Minimization took 41 ms.
[2024-05-22 20:17:16] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-22 20:17:16] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-22 20:17:17] [INFO ] [Real]Absence check using state equation in 36 ms returned sat
[2024-05-22 20:17:17] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 20:17:17] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:17:17] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-22 20:17:17] [INFO ] [Nat]Absence check using state equation in 36 ms returned sat
[2024-05-22 20:17:17] [INFO ] [Nat]Added 27 Read/Feed constraints in 6 ms returned sat
[2024-05-22 20:17:17] [INFO ] Deduced a trap composed of 14 places in 85 ms of which 15 ms to minimize.
[2024-05-22 20:17:17] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 97 ms
[2024-05-22 20:17:17] [INFO ] Computed and/alt/rep : 67/466/67 causal constraints (skipped 83 transitions) in 17 ms.
[2024-05-22 20:17:17] [INFO ] Deduced a trap composed of 12 places in 64 ms of which 1 ms to minimize.
[2024-05-22 20:17:17] [INFO ] Deduced a trap composed of 12 places in 49 ms of which 1 ms to minimize.
[2024-05-22 20:17:17] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 147 ms
[2024-05-22 20:17:17] [INFO ] Added : 27 causal constraints over 6 iterations in 291 ms. Result :sat
Minimization took 37 ms.
[2024-05-22 20:17:17] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:17:17] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-22 20:17:17] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-22 20:17:17] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 20:17:17] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:17:17] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-22 20:17:17] [INFO ] [Nat]Absence check using state equation in 42 ms returned sat
[2024-05-22 20:17:17] [INFO ] [Nat]Added 27 Read/Feed constraints in 6 ms returned sat
[2024-05-22 20:17:17] [INFO ] Deduced a trap composed of 12 places in 40 ms of which 1 ms to minimize.
[2024-05-22 20:17:17] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 49 ms
[2024-05-22 20:17:17] [INFO ] Computed and/alt/rep : 67/466/67 causal constraints (skipped 83 transitions) in 16 ms.
[2024-05-22 20:17:17] [INFO ] Added : 43 causal constraints over 9 iterations in 131 ms. Result :sat
Minimization took 40 ms.
[2024-05-22 20:17:17] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-22 20:17:17] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-22 20:17:17] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-22 20:17:17] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 20:17:17] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:17:17] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-22 20:17:17] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2024-05-22 20:17:17] [INFO ] [Nat]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-05-22 20:17:18] [INFO ] Deduced a trap composed of 12 places in 50 ms of which 1 ms to minimize.
[2024-05-22 20:17:18] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 59 ms
[2024-05-22 20:17:18] [INFO ] Computed and/alt/rep : 67/466/67 causal constraints (skipped 83 transitions) in 14 ms.
[2024-05-22 20:17:18] [INFO ] Added : 40 causal constraints over 8 iterations in 116 ms. Result :sat
Minimization took 41 ms.
[2024-05-22 20:17:18] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:17:18] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 4 ms returned sat
[2024-05-22 20:17:18] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2024-05-22 20:17:18] [INFO ] [Real]Added 27 Read/Feed constraints in 6 ms returned sat
[2024-05-22 20:17:18] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 20:17:18] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:17:18] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 4 ms returned sat
[2024-05-22 20:17:18] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-22 20:17:18] [INFO ] [Nat]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-05-22 20:17:18] [INFO ] Deduced a trap composed of 14 places in 43 ms of which 1 ms to minimize.
[2024-05-22 20:17:18] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 53 ms
[2024-05-22 20:17:18] [INFO ] Computed and/alt/rep : 67/466/67 causal constraints (skipped 83 transitions) in 15 ms.
[2024-05-22 20:17:18] [INFO ] Deduced a trap composed of 28 places in 49 ms of which 1 ms to minimize.
[2024-05-22 20:17:18] [INFO ] Deduced a trap composed of 19 places in 40 ms of which 1 ms to minimize.
[2024-05-22 20:17:18] [INFO ] Deduced a trap composed of 19 places in 43 ms of which 0 ms to minimize.
[2024-05-22 20:17:18] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 182 ms
[2024-05-22 20:17:18] [INFO ] Added : 15 causal constraints over 3 iterations in 244 ms. Result :sat
Minimization took 38 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[14, 16, 9, 4, 6, 14, 9] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[14, 24, 16, 10, 6, 14, 9] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 7 out of 56 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 56/56 places, 204/204 transitions.
Graph (complete) has 357 edges and 56 vertex of which 53 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.2 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 5 place count 53 transition count 200
Applied a total of 5 rules in 29 ms. Remains 53 /56 variables (removed 3) and now considering 200/204 (removed 4) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 39 ms. Remains : 53/56 places, 200/204 transitions.
[2024-05-22 20:17:18] [INFO ] Flow matrix only has 148 transitions (discarded 52 similar events)
Found an invariant !
This invariant on transitions {11=1, 24=1, 91=1, 92=1, 142=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {11=1, 24=1, 91=1, 92=1, 142=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 47 ms. (steps per millisecond=212 ) properties (out of 7) seen :[104, 7, 5, 8, 5, 21, 8]
Current structural bounds on expressions (after cover walk) : Max Seen:[104, 24, 16, 10, 6, 21, 9] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-22 20:17:19] [INFO ] Flow matrix only has 148 transitions (discarded 52 similar events)
// Phase 1: matrix 148 rows 53 cols
[2024-05-22 20:17:19] [INFO ] Computed 3 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[104, 24, 16, 10, 6, 21, 9] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1619 ms. (617 steps per ms)
BEST_FIRST walk for 7000006 steps (14 resets) in 3197 ms. (2188 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[9852, 24, 1607, 13, 1947, 1352, 11] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-22 20:17:23] [INFO ] Flow matrix only has 148 transitions (discarded 52 similar events)
[2024-05-22 20:17:23] [INFO ] Invariant cache hit.
[2024-05-22 20:17:23] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:17:24] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2024-05-22 20:17:24] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-22 20:17:24] [INFO ] [Real]Added 27 Read/Feed constraints in 7 ms returned sat
[2024-05-22 20:17:24] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 20:17:24] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:17:24] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-22 20:17:24] [INFO ] [Nat]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-05-22 20:17:24] [INFO ] Deduced a trap composed of 29 places in 47 ms of which 1 ms to minimize.
[2024-05-22 20:17:24] [INFO ] Deduced a trap composed of 11 places in 42 ms of which 1 ms to minimize.
[2024-05-22 20:17:24] [INFO ] Deduced a trap composed of 11 places in 47 ms of which 1 ms to minimize.
[2024-05-22 20:17:24] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 164 ms
[2024-05-22 20:17:24] [INFO ] Computed and/alt/rep : 65/458/65 causal constraints (skipped 81 transitions) in 14 ms.
[2024-05-22 20:17:24] [INFO ] Added : 31 causal constraints over 7 iterations in 94 ms. Result :sat
Minimization took 42 ms.
[2024-05-22 20:17:24] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:17:24] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-22 20:17:24] [INFO ] [Real]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-05-22 20:17:24] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 20:17:24] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:17:24] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2024-05-22 20:17:24] [INFO ] [Nat]Added 27 Read/Feed constraints in 6 ms returned sat
[2024-05-22 20:17:24] [INFO ] Deduced a trap composed of 13 places in 39 ms of which 0 ms to minimize.
[2024-05-22 20:17:24] [INFO ] Deduced a trap composed of 13 places in 39 ms of which 1 ms to minimize.
[2024-05-22 20:17:24] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 96 ms
[2024-05-22 20:17:24] [INFO ] Computed and/alt/rep : 65/458/65 causal constraints (skipped 81 transitions) in 12 ms.
[2024-05-22 20:17:24] [INFO ] Added : 9 causal constraints over 2 iterations in 41 ms. Result :sat
Minimization took 34 ms.
[2024-05-22 20:17:24] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:17:24] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2024-05-22 20:17:24] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 20:17:24] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:17:24] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2024-05-22 20:17:24] [INFO ] [Nat]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-05-22 20:17:24] [INFO ] Computed and/alt/rep : 65/458/65 causal constraints (skipped 81 transitions) in 11 ms.
[2024-05-22 20:17:24] [INFO ] Added : 19 causal constraints over 5 iterations in 64 ms. Result :sat
Minimization took 37 ms.
[2024-05-22 20:17:24] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:17:24] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-22 20:17:24] [INFO ] [Real]Added 27 Read/Feed constraints in 7 ms returned sat
[2024-05-22 20:17:24] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 20:17:25] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:17:25] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2024-05-22 20:17:25] [INFO ] [Nat]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-05-22 20:17:25] [INFO ] Deduced a trap composed of 12 places in 38 ms of which 0 ms to minimize.
[2024-05-22 20:17:25] [INFO ] Deduced a trap composed of 14 places in 45 ms of which 0 ms to minimize.
[2024-05-22 20:17:25] [INFO ] Deduced a trap composed of 11 places in 40 ms of which 1 ms to minimize.
[2024-05-22 20:17:25] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 142 ms
[2024-05-22 20:17:25] [INFO ] Computed and/alt/rep : 65/458/65 causal constraints (skipped 81 transitions) in 9 ms.
[2024-05-22 20:17:25] [INFO ] Added : 47 causal constraints over 10 iterations in 120 ms. Result :sat
Minimization took 50 ms.
[2024-05-22 20:17:25] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:17:25] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2024-05-22 20:17:25] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 20:17:25] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:17:25] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2024-05-22 20:17:25] [INFO ] [Nat]Added 27 Read/Feed constraints in 6 ms returned sat
[2024-05-22 20:17:25] [INFO ] Computed and/alt/rep : 65/458/65 causal constraints (skipped 81 transitions) in 10 ms.
[2024-05-22 20:17:25] [INFO ] Added : 12 causal constraints over 3 iterations in 48 ms. Result :sat
Minimization took 39 ms.
[2024-05-22 20:17:25] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:17:25] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2024-05-22 20:17:25] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 20:17:25] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:17:25] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2024-05-22 20:17:25] [INFO ] [Nat]Added 27 Read/Feed constraints in 6 ms returned sat
[2024-05-22 20:17:25] [INFO ] Deduced a trap composed of 11 places in 48 ms of which 0 ms to minimize.
[2024-05-22 20:17:25] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 57 ms
[2024-05-22 20:17:25] [INFO ] Computed and/alt/rep : 65/458/65 causal constraints (skipped 81 transitions) in 12 ms.
[2024-05-22 20:17:25] [INFO ] Added : 40 causal constraints over 9 iterations in 115 ms. Result :sat
Minimization took 45 ms.
[2024-05-22 20:17:25] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:17:25] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2024-05-22 20:17:25] [INFO ] [Real]Added 27 Read/Feed constraints in 9 ms returned sat
[2024-05-22 20:17:25] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 20:17:26] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:17:26] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2024-05-22 20:17:26] [INFO ] [Nat]Added 27 Read/Feed constraints in 13 ms returned sat
[2024-05-22 20:17:26] [INFO ] Deduced a trap composed of 11 places in 37 ms of which 1 ms to minimize.
[2024-05-22 20:17:26] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 45 ms
[2024-05-22 20:17:26] [INFO ] Computed and/alt/rep : 65/458/65 causal constraints (skipped 81 transitions) in 8 ms.
[2024-05-22 20:17:26] [INFO ] Added : 49 causal constraints over 10 iterations in 145 ms. Result :sat
Minimization took 52 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[9852, 24, 1607, 13, 1947, 1352, 11] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[25008, 28, 1607, 28, 1947, 1352, 11] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 7 out of 53 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 53/53 places, 200/200 transitions.
Applied a total of 0 rules in 7 ms. Remains 53 /53 variables (removed 0) and now considering 200/200 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 53/53 places, 200/200 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 53/53 places, 200/200 transitions.
Applied a total of 0 rules in 6 ms. Remains 53 /53 variables (removed 0) and now considering 200/200 (removed 0) transitions.
[2024-05-22 20:17:29] [INFO ] Flow matrix only has 148 transitions (discarded 52 similar events)
[2024-05-22 20:17:29] [INFO ] Invariant cache hit.
[2024-05-22 20:17:29] [INFO ] Implicit Places using invariants in 52 ms returned []
[2024-05-22 20:17:29] [INFO ] Flow matrix only has 148 transitions (discarded 52 similar events)
[2024-05-22 20:17:29] [INFO ] Invariant cache hit.
[2024-05-22 20:17:29] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-22 20:17:29] [INFO ] Implicit Places using invariants and state equation in 82 ms returned []
Implicit Place search using SMT with State Equation took 136 ms to find 0 implicit places.
[2024-05-22 20:17:29] [INFO ] Redundant transitions in 7 ms returned []
Running 198 sub problems to find dead transitions.
[2024-05-22 20:17:29] [INFO ] Flow matrix only has 148 transitions (discarded 52 similar events)
[2024-05-22 20:17:29] [INFO ] Invariant cache hit.
[2024-05-22 20:17:29] [INFO ] State equation strengthened by 27 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/52 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/52 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 2 (OVERLAPS) 148/200 variables, 52/55 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/200 variables, 27/82 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/200 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 5 (OVERLAPS) 1/201 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/201 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 7 (OVERLAPS) 0/201 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 198 unsolved
No progress, stopping.
After SMT solving in domain Real declared 201/201 variables, and 83 constraints, problems are : Problem set: 0 solved, 198 unsolved in 3772 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 53/53 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 198/198 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 198 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/52 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/52 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 2 (OVERLAPS) 148/200 variables, 52/55 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/200 variables, 27/82 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/200 variables, 12/94 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/200 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 6 (OVERLAPS) 1/201 variables, 1/95 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/201 variables, 186/281 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/201 variables, 0/281 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 9 (OVERLAPS) 0/201 variables, 0/281 constraints. Problems are: Problem set: 0 solved, 198 unsolved
No progress, stopping.
After SMT solving in domain Int declared 201/201 variables, and 281 constraints, problems are : Problem set: 0 solved, 198 unsolved in 4697 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 53/53 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 198/198 constraints, Known Traps: 0/0 constraints]
After SMT, in 8655ms problems are : Problem set: 0 solved, 198 unsolved
Search for dead transitions found 0 dead transitions in 8664ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8835 ms. Remains : 53/53 places, 200/200 transitions.
[2024-05-22 20:17:38] [INFO ] Flow matrix only has 148 transitions (discarded 52 similar events)
Found an invariant !
This invariant on transitions {11=1, 24=1, 91=1, 92=1, 142=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {11=1, 24=1, 91=1, 92=1, 142=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 79 ms. (steps per millisecond=126 ) properties (out of 7) seen :[100, 7, 5, 6, 4, 12, 5]
Current structural bounds on expressions (after cover walk) : Max Seen:[25008, 28, 1607, 28, 1947, 1352, 11] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-22 20:17:38] [INFO ] Flow matrix only has 148 transitions (discarded 52 similar events)
[2024-05-22 20:17:38] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[25008, 28, 1607, 28, 1947, 1352, 11] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1560 ms. (640 steps per ms)
BEST_FIRST walk for 7000006 steps (14 resets) in 3100 ms. (2257 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[25008, 28, 1853, 28, 1947, 1419, 14] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-22 20:17:42] [INFO ] Flow matrix only has 148 transitions (discarded 52 similar events)
[2024-05-22 20:17:42] [INFO ] Invariant cache hit.
[2024-05-22 20:17:42] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:17:42] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2024-05-22 20:17:42] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-22 20:17:42] [INFO ] [Real]Added 27 Read/Feed constraints in 6 ms returned sat
[2024-05-22 20:17:42] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 20:17:42] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:17:43] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2024-05-22 20:17:43] [INFO ] [Nat]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-05-22 20:17:43] [INFO ] Deduced a trap composed of 29 places in 36 ms of which 1 ms to minimize.
[2024-05-22 20:17:43] [INFO ] Deduced a trap composed of 11 places in 39 ms of which 2 ms to minimize.
[2024-05-22 20:17:43] [INFO ] Deduced a trap composed of 11 places in 39 ms of which 4 ms to minimize.
[2024-05-22 20:17:43] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 133 ms
[2024-05-22 20:17:43] [INFO ] Computed and/alt/rep : 65/458/65 causal constraints (skipped 81 transitions) in 13 ms.
[2024-05-22 20:17:43] [INFO ] Added : 31 causal constraints over 7 iterations in 92 ms. Result :sat
Minimization took 41 ms.
[2024-05-22 20:17:43] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:17:43] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2024-05-22 20:17:43] [INFO ] [Real]Added 27 Read/Feed constraints in 6 ms returned sat
[2024-05-22 20:17:43] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 20:17:43] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:17:43] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2024-05-22 20:17:43] [INFO ] [Nat]Added 27 Read/Feed constraints in 6 ms returned sat
[2024-05-22 20:17:43] [INFO ] Deduced a trap composed of 13 places in 46 ms of which 1 ms to minimize.
[2024-05-22 20:17:43] [INFO ] Deduced a trap composed of 13 places in 38 ms of which 1 ms to minimize.
[2024-05-22 20:17:43] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 104 ms
[2024-05-22 20:17:43] [INFO ] Computed and/alt/rep : 65/458/65 causal constraints (skipped 81 transitions) in 11 ms.
[2024-05-22 20:17:43] [INFO ] Added : 9 causal constraints over 2 iterations in 36 ms. Result :sat
Minimization took 34 ms.
[2024-05-22 20:17:43] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:17:43] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-22 20:17:43] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 20:17:43] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:17:43] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-22 20:17:43] [INFO ] [Nat]Added 27 Read/Feed constraints in 6 ms returned sat
[2024-05-22 20:17:43] [INFO ] Computed and/alt/rep : 65/458/65 causal constraints (skipped 81 transitions) in 12 ms.
[2024-05-22 20:17:43] [INFO ] Added : 19 causal constraints over 5 iterations in 68 ms. Result :sat
Minimization took 38 ms.
[2024-05-22 20:17:43] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:17:43] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2024-05-22 20:17:43] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 20:17:43] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-22 20:17:43] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2024-05-22 20:17:43] [INFO ] [Nat]Added 27 Read/Feed constraints in 6 ms returned sat
[2024-05-22 20:17:43] [INFO ] Deduced a trap composed of 13 places in 48 ms of which 1 ms to minimize.
[2024-05-22 20:17:44] [INFO ] Deduced a trap composed of 12 places in 39 ms of which 1 ms to minimize.
[2024-05-22 20:17:44] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 103 ms
[2024-05-22 20:17:44] [INFO ] Computed and/alt/rep : 65/458/65 causal constraints (skipped 81 transitions) in 17 ms.
[2024-05-22 20:17:44] [INFO ] Added : 50 causal constraints over 11 iterations in 147 ms. Result :sat
Minimization took 51 ms.
[2024-05-22 20:17:44] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:17:44] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-05-22 20:17:44] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 20:17:44] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:17:44] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2024-05-22 20:17:44] [INFO ] [Nat]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-05-22 20:17:44] [INFO ] Computed and/alt/rep : 65/458/65 causal constraints (skipped 81 transitions) in 8 ms.
[2024-05-22 20:17:44] [INFO ] Added : 12 causal constraints over 3 iterations in 41 ms. Result :sat
Minimization took 35 ms.
[2024-05-22 20:17:44] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-22 20:17:44] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2024-05-22 20:17:44] [INFO ] [Real]Added 27 Read/Feed constraints in 6 ms returned sat
[2024-05-22 20:17:44] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 20:17:44] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:17:44] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2024-05-22 20:17:44] [INFO ] [Nat]Added 27 Read/Feed constraints in 6 ms returned sat
[2024-05-22 20:17:44] [INFO ] Computed and/alt/rep : 65/458/65 causal constraints (skipped 81 transitions) in 8 ms.
[2024-05-22 20:17:44] [INFO ] Added : 38 causal constraints over 9 iterations in 116 ms. Result :sat
Minimization took 45 ms.
[2024-05-22 20:17:44] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-22 20:17:44] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2024-05-22 20:17:44] [INFO ] [Real]Added 27 Read/Feed constraints in 6 ms returned sat
[2024-05-22 20:17:44] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 20:17:44] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:17:44] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2024-05-22 20:17:44] [INFO ] [Nat]Added 27 Read/Feed constraints in 6 ms returned sat
[2024-05-22 20:17:44] [INFO ] Deduced a trap composed of 17 places in 46 ms of which 0 ms to minimize.
[2024-05-22 20:17:44] [INFO ] Deduced a trap composed of 27 places in 40 ms of which 0 ms to minimize.
[2024-05-22 20:17:44] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 99 ms
[2024-05-22 20:17:44] [INFO ] Computed and/alt/rep : 65/458/65 causal constraints (skipped 81 transitions) in 11 ms.
[2024-05-22 20:17:45] [INFO ] Added : 28 causal constraints over 6 iterations in 75 ms. Result :sat
Minimization took 44 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[25008, 28, 1853, 28, 1947, 1419, 14] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[25008, 28, 36923, 28, 1947, 1419, 14] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 7 out of 53 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 53/53 places, 200/200 transitions.
Applied a total of 0 rules in 9 ms. Remains 53 /53 variables (removed 0) and now considering 200/200 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 53/53 places, 200/200 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 53/53 places, 200/200 transitions.
Applied a total of 0 rules in 7 ms. Remains 53 /53 variables (removed 0) and now considering 200/200 (removed 0) transitions.
[2024-05-22 20:17:48] [INFO ] Flow matrix only has 148 transitions (discarded 52 similar events)
[2024-05-22 20:17:48] [INFO ] Invariant cache hit.
[2024-05-22 20:17:48] [INFO ] Implicit Places using invariants in 42 ms returned []
[2024-05-22 20:17:48] [INFO ] Flow matrix only has 148 transitions (discarded 52 similar events)
[2024-05-22 20:17:48] [INFO ] Invariant cache hit.
[2024-05-22 20:17:48] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-22 20:17:48] [INFO ] Implicit Places using invariants and state equation in 84 ms returned []
Implicit Place search using SMT with State Equation took 128 ms to find 0 implicit places.
[2024-05-22 20:17:48] [INFO ] Redundant transitions in 8 ms returned []
Running 198 sub problems to find dead transitions.
[2024-05-22 20:17:48] [INFO ] Flow matrix only has 148 transitions (discarded 52 similar events)
[2024-05-22 20:17:48] [INFO ] Invariant cache hit.
[2024-05-22 20:17:48] [INFO ] State equation strengthened by 27 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/52 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/52 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 2 (OVERLAPS) 148/200 variables, 52/55 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/200 variables, 27/82 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/200 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 5 (OVERLAPS) 1/201 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/201 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 7 (OVERLAPS) 0/201 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 198 unsolved
No progress, stopping.
After SMT solving in domain Real declared 201/201 variables, and 83 constraints, problems are : Problem set: 0 solved, 198 unsolved in 3767 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 53/53 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 198/198 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 198 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/52 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/52 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 2 (OVERLAPS) 148/200 variables, 52/55 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/200 variables, 27/82 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/200 variables, 12/94 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/200 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 6 (OVERLAPS) 1/201 variables, 1/95 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/201 variables, 186/281 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/201 variables, 0/281 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 9 (OVERLAPS) 0/201 variables, 0/281 constraints. Problems are: Problem set: 0 solved, 198 unsolved
No progress, stopping.
After SMT solving in domain Int declared 201/201 variables, and 281 constraints, problems are : Problem set: 0 solved, 198 unsolved in 4640 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 53/53 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 198/198 constraints, Known Traps: 0/0 constraints]
After SMT, in 8544ms problems are : Problem set: 0 solved, 198 unsolved
Search for dead transitions found 0 dead transitions in 8546ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8701 ms. Remains : 53/53 places, 200/200 transitions.
[2024-05-22 20:17:56] [INFO ] Flow matrix only has 148 transitions (discarded 52 similar events)
Found an invariant !
This invariant on transitions {11=1, 24=1, 91=1, 92=1, 142=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {11=1, 24=1, 91=1, 92=1, 142=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 18 ms. (steps per millisecond=555 ) properties (out of 7) seen :[102, 5, 5, 5, 5, 14, 6]
Current structural bounds on expressions (after cover walk) : Max Seen:[25008, 28, 36923, 28, 1947, 1419, 14] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-22 20:17:57] [INFO ] Flow matrix only has 148 transitions (discarded 52 similar events)
[2024-05-22 20:17:57] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[25008, 28, 36923, 28, 1947, 1419, 14] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1511 ms. (661 steps per ms)
BEST_FIRST walk for 7000007 steps (14 resets) in 3019 ms. (2317 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[25008, 28, 36923, 28, 1947, 1419, 14] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-22 20:18:01] [INFO ] Flow matrix only has 148 transitions (discarded 52 similar events)
[2024-05-22 20:18:01] [INFO ] Invariant cache hit.
[2024-05-22 20:18:01] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:18:01] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2024-05-22 20:18:01] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-22 20:18:01] [INFO ] [Real]Added 27 Read/Feed constraints in 6 ms returned sat
[2024-05-22 20:18:01] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 20:18:01] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:18:01] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2024-05-22 20:18:01] [INFO ] [Nat]Added 27 Read/Feed constraints in 6 ms returned sat
[2024-05-22 20:18:01] [INFO ] Deduced a trap composed of 29 places in 44 ms of which 0 ms to minimize.
[2024-05-22 20:18:01] [INFO ] Deduced a trap composed of 11 places in 44 ms of which 1 ms to minimize.
[2024-05-22 20:18:01] [INFO ] Deduced a trap composed of 11 places in 36 ms of which 1 ms to minimize.
[2024-05-22 20:18:01] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 145 ms
[2024-05-22 20:18:01] [INFO ] Computed and/alt/rep : 65/458/65 causal constraints (skipped 81 transitions) in 9 ms.
[2024-05-22 20:18:01] [INFO ] Added : 31 causal constraints over 7 iterations in 83 ms. Result :sat
Minimization took 40 ms.
[2024-05-22 20:18:01] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:18:01] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2024-05-22 20:18:01] [INFO ] [Real]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-05-22 20:18:01] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 20:18:02] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:18:02] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2024-05-22 20:18:02] [INFO ] [Nat]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-05-22 20:18:02] [INFO ] Deduced a trap composed of 13 places in 44 ms of which 1 ms to minimize.
[2024-05-22 20:18:02] [INFO ] Deduced a trap composed of 13 places in 41 ms of which 1 ms to minimize.
[2024-05-22 20:18:02] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 102 ms
[2024-05-22 20:18:02] [INFO ] Computed and/alt/rep : 65/458/65 causal constraints (skipped 81 transitions) in 11 ms.
[2024-05-22 20:18:02] [INFO ] Added : 9 causal constraints over 2 iterations in 35 ms. Result :sat
Minimization took 33 ms.
[2024-05-22 20:18:02] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:18:02] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2024-05-22 20:18:02] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 20:18:02] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:18:02] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2024-05-22 20:18:02] [INFO ] [Nat]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-05-22 20:18:02] [INFO ] Computed and/alt/rep : 65/458/65 causal constraints (skipped 81 transitions) in 10 ms.
[2024-05-22 20:18:02] [INFO ] Added : 19 causal constraints over 5 iterations in 62 ms. Result :sat
Minimization took 39 ms.
[2024-05-22 20:18:02] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-22 20:18:02] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2024-05-22 20:18:02] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 20:18:02] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:18:02] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2024-05-22 20:18:02] [INFO ] [Nat]Added 27 Read/Feed constraints in 6 ms returned sat
[2024-05-22 20:18:02] [INFO ] Deduced a trap composed of 13 places in 46 ms of which 3 ms to minimize.
[2024-05-22 20:18:02] [INFO ] Deduced a trap composed of 12 places in 46 ms of which 1 ms to minimize.
[2024-05-22 20:18:02] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 111 ms
[2024-05-22 20:18:02] [INFO ] Computed and/alt/rep : 65/458/65 causal constraints (skipped 81 transitions) in 11 ms.
[2024-05-22 20:18:02] [INFO ] Added : 50 causal constraints over 11 iterations in 137 ms. Result :sat
Minimization took 48 ms.
[2024-05-22 20:18:02] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:18:02] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-22 20:18:02] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 20:18:02] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:18:02] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2024-05-22 20:18:02] [INFO ] [Nat]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-05-22 20:18:02] [INFO ] Computed and/alt/rep : 65/458/65 causal constraints (skipped 81 transitions) in 10 ms.
[2024-05-22 20:18:03] [INFO ] Added : 12 causal constraints over 3 iterations in 45 ms. Result :sat
Minimization took 36 ms.
[2024-05-22 20:18:03] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:18:03] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2024-05-22 20:18:03] [INFO ] [Real]Added 27 Read/Feed constraints in 6 ms returned sat
[2024-05-22 20:18:03] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 20:18:03] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-22 20:18:03] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2024-05-22 20:18:03] [INFO ] [Nat]Added 27 Read/Feed constraints in 6 ms returned sat
[2024-05-22 20:18:03] [INFO ] Computed and/alt/rep : 65/458/65 causal constraints (skipped 81 transitions) in 10 ms.
[2024-05-22 20:18:03] [INFO ] Added : 38 causal constraints over 9 iterations in 109 ms. Result :sat
Minimization took 44 ms.
[2024-05-22 20:18:03] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:18:03] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2024-05-22 20:18:03] [INFO ] [Real]Added 27 Read/Feed constraints in 6 ms returned sat
[2024-05-22 20:18:03] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 20:18:03] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:18:03] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2024-05-22 20:18:03] [INFO ] [Nat]Added 27 Read/Feed constraints in 6 ms returned sat
[2024-05-22 20:18:03] [INFO ] Deduced a trap composed of 17 places in 42 ms of which 1 ms to minimize.
[2024-05-22 20:18:03] [INFO ] Deduced a trap composed of 27 places in 45 ms of which 1 ms to minimize.
[2024-05-22 20:18:03] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 106 ms
[2024-05-22 20:18:03] [INFO ] Computed and/alt/rep : 65/458/65 causal constraints (skipped 81 transitions) in 11 ms.
[2024-05-22 20:18:03] [INFO ] Added : 28 causal constraints over 6 iterations in 74 ms. Result :sat
Minimization took 40 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[25008, 28, 36923, 28, 1947, 1419, 14] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[25008, 28, 38341, 28, 1947, 1419, 14] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 7 out of 53 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 53/53 places, 200/200 transitions.
Applied a total of 0 rules in 14 ms. Remains 53 /53 variables (removed 0) and now considering 200/200 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 53/53 places, 200/200 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 53/53 places, 200/200 transitions.
Applied a total of 0 rules in 6 ms. Remains 53 /53 variables (removed 0) and now considering 200/200 (removed 0) transitions.
[2024-05-22 20:18:06] [INFO ] Flow matrix only has 148 transitions (discarded 52 similar events)
[2024-05-22 20:18:06] [INFO ] Invariant cache hit.
[2024-05-22 20:18:06] [INFO ] Implicit Places using invariants in 38 ms returned []
[2024-05-22 20:18:06] [INFO ] Flow matrix only has 148 transitions (discarded 52 similar events)
[2024-05-22 20:18:06] [INFO ] Invariant cache hit.
[2024-05-22 20:18:07] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-22 20:18:07] [INFO ] Implicit Places using invariants and state equation in 81 ms returned []
Implicit Place search using SMT with State Equation took 119 ms to find 0 implicit places.
[2024-05-22 20:18:07] [INFO ] Redundant transitions in 2 ms returned []
Running 198 sub problems to find dead transitions.
[2024-05-22 20:18:07] [INFO ] Flow matrix only has 148 transitions (discarded 52 similar events)
[2024-05-22 20:18:07] [INFO ] Invariant cache hit.
[2024-05-22 20:18:07] [INFO ] State equation strengthened by 27 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/52 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/52 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 2 (OVERLAPS) 148/200 variables, 52/55 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/200 variables, 27/82 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/200 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 5 (OVERLAPS) 1/201 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/201 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 7 (OVERLAPS) 0/201 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 198 unsolved
No progress, stopping.
After SMT solving in domain Real declared 201/201 variables, and 83 constraints, problems are : Problem set: 0 solved, 198 unsolved in 3682 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 53/53 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 198/198 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 198 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/52 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/52 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 2 (OVERLAPS) 148/200 variables, 52/55 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/200 variables, 27/82 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/200 variables, 12/94 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/200 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 6 (OVERLAPS) 1/201 variables, 1/95 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/201 variables, 186/281 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/201 variables, 0/281 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 9 (OVERLAPS) 0/201 variables, 0/281 constraints. Problems are: Problem set: 0 solved, 198 unsolved
No progress, stopping.
After SMT solving in domain Int declared 201/201 variables, and 281 constraints, problems are : Problem set: 0 solved, 198 unsolved in 4663 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 53/53 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 198/198 constraints, Known Traps: 0/0 constraints]
After SMT, in 8448ms problems are : Problem set: 0 solved, 198 unsolved
Search for dead transitions found 0 dead transitions in 8451ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8584 ms. Remains : 53/53 places, 200/200 transitions.
[2024-05-22 20:18:15] [INFO ] Flow matrix only has 148 transitions (discarded 52 similar events)
Found an invariant !
This invariant on transitions {11=1, 24=1, 91=1, 92=1, 142=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {11=1, 24=1, 91=1, 92=1, 142=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 26 ms. (steps per millisecond=384 ) properties (out of 7) seen :[106, 6, 6, 6, 6, 16, 7]
Current structural bounds on expressions (after cover walk) : Max Seen:[25008, 28, 38341, 28, 1947, 1419, 14] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-22 20:18:15] [INFO ] Flow matrix only has 148 transitions (discarded 52 similar events)
[2024-05-22 20:18:15] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[25008, 28, 38341, 28, 1947, 1419, 14] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1556 ms. (642 steps per ms)
BEST_FIRST walk for 7000007 steps (14 resets) in 3112 ms. (2248 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[25008, 28, 38341, 28, 1947, 1419, 14] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-22 20:18:20] [INFO ] Flow matrix only has 148 transitions (discarded 52 similar events)
[2024-05-22 20:18:20] [INFO ] Invariant cache hit.
[2024-05-22 20:18:20] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-22 20:18:20] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-05-22 20:18:20] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-22 20:18:20] [INFO ] [Real]Added 27 Read/Feed constraints in 7 ms returned sat
[2024-05-22 20:18:20] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 20:18:20] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:18:20] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2024-05-22 20:18:20] [INFO ] [Nat]Added 27 Read/Feed constraints in 6 ms returned sat
[2024-05-22 20:18:20] [INFO ] Deduced a trap composed of 29 places in 36 ms of which 1 ms to minimize.
[2024-05-22 20:18:20] [INFO ] Deduced a trap composed of 11 places in 38 ms of which 1 ms to minimize.
[2024-05-22 20:18:20] [INFO ] Deduced a trap composed of 11 places in 33 ms of which 0 ms to minimize.
[2024-05-22 20:18:20] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 123 ms
[2024-05-22 20:18:20] [INFO ] Computed and/alt/rep : 65/458/65 causal constraints (skipped 81 transitions) in 8 ms.
[2024-05-22 20:18:20] [INFO ] Added : 31 causal constraints over 7 iterations in 83 ms. Result :sat
Minimization took 40 ms.
[2024-05-22 20:18:20] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:18:20] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-22 20:18:20] [INFO ] [Real]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-05-22 20:18:20] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 20:18:20] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:18:20] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2024-05-22 20:18:20] [INFO ] [Nat]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-05-22 20:18:20] [INFO ] Deduced a trap composed of 13 places in 37 ms of which 0 ms to minimize.
[2024-05-22 20:18:20] [INFO ] Deduced a trap composed of 13 places in 40 ms of which 1 ms to minimize.
[2024-05-22 20:18:20] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 91 ms
[2024-05-22 20:18:20] [INFO ] Computed and/alt/rep : 65/458/65 causal constraints (skipped 81 transitions) in 8 ms.
[2024-05-22 20:18:20] [INFO ] Added : 9 causal constraints over 2 iterations in 35 ms. Result :sat
Minimization took 31 ms.
[2024-05-22 20:18:20] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:18:20] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2024-05-22 20:18:20] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 20:18:20] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:18:21] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2024-05-22 20:18:21] [INFO ] [Nat]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-05-22 20:18:21] [INFO ] Computed and/alt/rep : 65/458/65 causal constraints (skipped 81 transitions) in 8 ms.
[2024-05-22 20:18:21] [INFO ] Added : 19 causal constraints over 5 iterations in 69 ms. Result :sat
Minimization took 35 ms.
[2024-05-22 20:18:21] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:18:21] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-05-22 20:18:21] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 20:18:21] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:18:21] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2024-05-22 20:18:21] [INFO ] [Nat]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-05-22 20:18:21] [INFO ] Deduced a trap composed of 13 places in 36 ms of which 0 ms to minimize.
[2024-05-22 20:18:21] [INFO ] Deduced a trap composed of 12 places in 34 ms of which 1 ms to minimize.
[2024-05-22 20:18:21] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 87 ms
[2024-05-22 20:18:21] [INFO ] Computed and/alt/rep : 65/458/65 causal constraints (skipped 81 transitions) in 9 ms.
[2024-05-22 20:18:21] [INFO ] Added : 50 causal constraints over 11 iterations in 132 ms. Result :sat
Minimization took 50 ms.
[2024-05-22 20:18:21] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:18:21] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-22 20:18:21] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 20:18:21] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:18:21] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2024-05-22 20:18:21] [INFO ] [Nat]Added 27 Read/Feed constraints in 6 ms returned sat
[2024-05-22 20:18:21] [INFO ] Computed and/alt/rep : 65/458/65 causal constraints (skipped 81 transitions) in 8 ms.
[2024-05-22 20:18:21] [INFO ] Added : 12 causal constraints over 3 iterations in 49 ms. Result :sat
Minimization took 35 ms.
[2024-05-22 20:18:21] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:18:21] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2024-05-22 20:18:21] [INFO ] [Real]Added 27 Read/Feed constraints in 6 ms returned sat
[2024-05-22 20:18:21] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 20:18:21] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:18:21] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-22 20:18:21] [INFO ] [Nat]Added 27 Read/Feed constraints in 6 ms returned sat
[2024-05-22 20:18:21] [INFO ] Computed and/alt/rep : 65/458/65 causal constraints (skipped 81 transitions) in 8 ms.
[2024-05-22 20:18:21] [INFO ] Added : 38 causal constraints over 9 iterations in 100 ms. Result :sat
Minimization took 44 ms.
[2024-05-22 20:18:22] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:18:22] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2024-05-22 20:18:22] [INFO ] [Real]Added 27 Read/Feed constraints in 7 ms returned sat
[2024-05-22 20:18:22] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 20:18:22] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:18:22] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2024-05-22 20:18:22] [INFO ] [Nat]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-05-22 20:18:22] [INFO ] Deduced a trap composed of 17 places in 40 ms of which 0 ms to minimize.
[2024-05-22 20:18:22] [INFO ] Deduced a trap composed of 27 places in 35 ms of which 3 ms to minimize.
[2024-05-22 20:18:22] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 94 ms
[2024-05-22 20:18:22] [INFO ] Computed and/alt/rep : 65/458/65 causal constraints (skipped 81 transitions) in 8 ms.
[2024-05-22 20:18:22] [INFO ] Added : 28 causal constraints over 6 iterations in 73 ms. Result :sat
Minimization took 41 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[25008, 28, 38341, 28, 1947, 1419, 14] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[25008, 28, 38341, 28, 1947, 1419, 14] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 7 out of 53 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 53/53 places, 200/200 transitions.
Applied a total of 0 rules in 5 ms. Remains 53 /53 variables (removed 0) and now considering 200/200 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 53/53 places, 200/200 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 53/53 places, 200/200 transitions.
Applied a total of 0 rules in 4 ms. Remains 53 /53 variables (removed 0) and now considering 200/200 (removed 0) transitions.
[2024-05-22 20:18:25] [INFO ] Flow matrix only has 148 transitions (discarded 52 similar events)
[2024-05-22 20:18:25] [INFO ] Invariant cache hit.
[2024-05-22 20:18:25] [INFO ] Implicit Places using invariants in 45 ms returned []
[2024-05-22 20:18:25] [INFO ] Flow matrix only has 148 transitions (discarded 52 similar events)
[2024-05-22 20:18:25] [INFO ] Invariant cache hit.
[2024-05-22 20:18:25] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-22 20:18:25] [INFO ] Implicit Places using invariants and state equation in 79 ms returned []
Implicit Place search using SMT with State Equation took 137 ms to find 0 implicit places.
[2024-05-22 20:18:25] [INFO ] Redundant transitions in 1 ms returned []
Running 198 sub problems to find dead transitions.
[2024-05-22 20:18:25] [INFO ] Flow matrix only has 148 transitions (discarded 52 similar events)
[2024-05-22 20:18:25] [INFO ] Invariant cache hit.
[2024-05-22 20:18:25] [INFO ] State equation strengthened by 27 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/52 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/52 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 2 (OVERLAPS) 148/200 variables, 52/55 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/200 variables, 27/82 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/200 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 5 (OVERLAPS) 1/201 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/201 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 7 (OVERLAPS) 0/201 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 198 unsolved
No progress, stopping.
After SMT solving in domain Real declared 201/201 variables, and 83 constraints, problems are : Problem set: 0 solved, 198 unsolved in 3712 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 53/53 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 198/198 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 198 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/52 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/52 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 2 (OVERLAPS) 148/200 variables, 52/55 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/200 variables, 27/82 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/200 variables, 12/94 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/200 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 6 (OVERLAPS) 1/201 variables, 1/95 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/201 variables, 186/281 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/201 variables, 0/281 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 9 (OVERLAPS) 0/201 variables, 0/281 constraints. Problems are: Problem set: 0 solved, 198 unsolved
No progress, stopping.
After SMT solving in domain Int declared 201/201 variables, and 281 constraints, problems are : Problem set: 0 solved, 198 unsolved in 4707 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 53/53 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 198/198 constraints, Known Traps: 0/0 constraints]
After SMT, in 8536ms problems are : Problem set: 0 solved, 198 unsolved
Search for dead transitions found 0 dead transitions in 8538ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8688 ms. Remains : 53/53 places, 200/200 transitions.
[2024-05-22 20:18:34] [INFO ] Flow matrix only has 148 transitions (discarded 52 similar events)
Found an invariant !
This invariant on transitions {11=1, 24=1, 91=1, 92=1, 142=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {11=1, 24=1, 91=1, 92=1, 142=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 7) seen :[2147483647, 7, 2147483647, 7, 2147483647, 2147483647, 5]
Current structural bounds on expressions (after cover walk) : Max Seen:[+inf, 28, +inf, 28, +inf, +inf, 14] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-22 20:18:34] [INFO ] Flow matrix only has 148 transitions (discarded 52 similar events)
[2024-05-22 20:18:34] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[+inf, 28, +inf, 28, +inf, +inf, 14] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1568 ms. (637 steps per ms)
FORMULA DoubleLock-PT-p2s1-UpperBounds-12 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DoubleLock-PT-p2s1-UpperBounds-11 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DoubleLock-PT-p2s1-UpperBounds-07 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DoubleLock-PT-p2s1-UpperBounds-04 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 3000002 steps (6 resets) in 1232 ms. (2433 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[28, 28, 15] Max Struct:[+inf, +inf, +inf]
[2024-05-22 20:18:37] [INFO ] Flow matrix only has 148 transitions (discarded 52 similar events)
[2024-05-22 20:18:37] [INFO ] Invariant cache hit.
[2024-05-22 20:18:37] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:18:37] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2024-05-22 20:18:37] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-22 20:18:37] [INFO ] [Real]Added 27 Read/Feed constraints in 6 ms returned sat
[2024-05-22 20:18:37] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 20:18:37] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:18:37] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2024-05-22 20:18:37] [INFO ] [Nat]Added 27 Read/Feed constraints in 7 ms returned sat
[2024-05-22 20:18:37] [INFO ] Deduced a trap composed of 13 places in 38 ms of which 0 ms to minimize.
[2024-05-22 20:18:37] [INFO ] Deduced a trap composed of 13 places in 42 ms of which 1 ms to minimize.
[2024-05-22 20:18:37] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 93 ms
[2024-05-22 20:18:37] [INFO ] Computed and/alt/rep : 65/458/65 causal constraints (skipped 81 transitions) in 8 ms.
[2024-05-22 20:18:37] [INFO ] Added : 9 causal constraints over 2 iterations in 35 ms. Result :sat
Minimization took 31 ms.
[2024-05-22 20:18:37] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:18:37] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-22 20:18:37] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 20:18:37] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:18:37] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2024-05-22 20:18:37] [INFO ] [Nat]Added 27 Read/Feed constraints in 8 ms returned sat
[2024-05-22 20:18:37] [INFO ] Deduced a trap composed of 13 places in 39 ms of which 0 ms to minimize.
[2024-05-22 20:18:37] [INFO ] Deduced a trap composed of 12 places in 35 ms of which 1 ms to minimize.
[2024-05-22 20:18:37] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 92 ms
[2024-05-22 20:18:37] [INFO ] Computed and/alt/rep : 65/458/65 causal constraints (skipped 81 transitions) in 10 ms.
[2024-05-22 20:18:37] [INFO ] Added : 50 causal constraints over 11 iterations in 134 ms. Result :sat
Minimization took 56 ms.
[2024-05-22 20:18:37] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:18:37] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2024-05-22 20:18:37] [INFO ] [Real]Added 27 Read/Feed constraints in 6 ms returned sat
[2024-05-22 20:18:37] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 20:18:37] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:18:37] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-22 20:18:37] [INFO ] [Nat]Added 27 Read/Feed constraints in 6 ms returned sat
[2024-05-22 20:18:37] [INFO ] Deduced a trap composed of 11 places in 34 ms of which 1 ms to minimize.
[2024-05-22 20:18:37] [INFO ] Deduced a trap composed of 14 places in 39 ms of which 1 ms to minimize.
[2024-05-22 20:18:37] [INFO ] Deduced a trap composed of 27 places in 36 ms of which 1 ms to minimize.
[2024-05-22 20:18:38] [INFO ] Deduced a trap composed of 13 places in 35 ms of which 1 ms to minimize.
[2024-05-22 20:18:38] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 171 ms
[2024-05-22 20:18:38] [INFO ] Computed and/alt/rep : 65/458/65 causal constraints (skipped 81 transitions) in 7 ms.
[2024-05-22 20:18:38] [INFO ] Added : 44 causal constraints over 9 iterations in 98 ms. Result :sat
Minimization took 55 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[28, 28, 15] Max Struct:[+inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[28, 28, 19] Max Struct:[+inf, +inf, +inf]
Support contains 3 out of 53 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 53/53 places, 200/200 transitions.
Graph (complete) has 342 edges and 53 vertex of which 52 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 2 place count 51 transition count 196
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 51 transition count 196
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 4 place count 50 transition count 192
Iterating global reduction 0 with 1 rules applied. Total rules applied 5 place count 50 transition count 192
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 6 place count 49 transition count 188
Iterating global reduction 0 with 1 rules applied. Total rules applied 7 place count 49 transition count 188
Applied a total of 7 rules in 10 ms. Remains 49 /53 variables (removed 4) and now considering 188/200 (removed 12) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 49/53 places, 188/200 transitions.
[2024-05-22 20:18:38] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
Found an invariant !
This invariant on transitions {11=1, 23=1, 84=1, 85=1, 132=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {11=1, 23=1, 87=1, 88=1, 134=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 3) seen :[7, 6, 7]
Current structural bounds on expressions (after cover walk) : Max Seen:[28, 28, 19] Max Struct:[+inf, +inf, +inf]
[2024-05-22 20:18:38] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
// Phase 1: matrix 139 rows 49 cols
[2024-05-22 20:18:38] [INFO ] Computed 3 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[28, 28, 19] Max Struct:[+inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1378 ms. (725 steps per ms)
BEST_FIRST walk for 3000002 steps (6 resets) in 1141 ms. (2626 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[28, 28, 19] Max Struct:[+inf, +inf, +inf]
[2024-05-22 20:18:40] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-05-22 20:18:40] [INFO ] Invariant cache hit.
[2024-05-22 20:18:40] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:18:40] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2024-05-22 20:18:41] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 20:18:41] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:18:41] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2024-05-22 20:18:41] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-05-22 20:18:41] [INFO ] [Nat]Added 26 Read/Feed constraints in 5 ms returned sat
[2024-05-22 20:18:41] [INFO ] Computed and/alt/rep : 59/378/59 causal constraints (skipped 78 transitions) in 7 ms.
[2024-05-22 20:18:41] [INFO ] Added : 10 causal constraints over 2 iterations in 31 ms. Result :sat
Minimization took 30 ms.
[2024-05-22 20:18:41] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:18:41] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2024-05-22 20:18:41] [INFO ] [Real]Added 26 Read/Feed constraints in 7 ms returned sat
[2024-05-22 20:18:41] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 20:18:41] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:18:41] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2024-05-22 20:18:41] [INFO ] [Nat]Added 26 Read/Feed constraints in 5 ms returned sat
[2024-05-22 20:18:41] [INFO ] Computed and/alt/rep : 59/378/59 causal constraints (skipped 78 transitions) in 8 ms.
[2024-05-22 20:18:41] [INFO ] Added : 28 causal constraints over 6 iterations in 65 ms. Result :sat
Minimization took 34 ms.
[2024-05-22 20:18:41] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:18:41] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2024-05-22 20:18:41] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 20:18:41] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:18:41] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2024-05-22 20:18:41] [INFO ] [Nat]Added 26 Read/Feed constraints in 6 ms returned sat
[2024-05-22 20:18:41] [INFO ] Computed and/alt/rep : 59/378/59 causal constraints (skipped 78 transitions) in 8 ms.
[2024-05-22 20:18:41] [INFO ] Added : 37 causal constraints over 8 iterations in 83 ms. Result :sat
Minimization took 40 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[28, 28, 19] Max Struct:[+inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[28, 28, 19] Max Struct:[+inf, +inf, +inf]
Support contains 3 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 4 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 49/49 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 4 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2024-05-22 20:18:41] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-05-22 20:18:41] [INFO ] Invariant cache hit.
[2024-05-22 20:18:41] [INFO ] Implicit Places using invariants in 47 ms returned []
[2024-05-22 20:18:41] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-05-22 20:18:41] [INFO ] Invariant cache hit.
[2024-05-22 20:18:41] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-05-22 20:18:41] [INFO ] Implicit Places using invariants and state equation in 77 ms returned []
Implicit Place search using SMT with State Equation took 124 ms to find 0 implicit places.
[2024-05-22 20:18:41] [INFO ] Redundant transitions in 1 ms returned []
Running 186 sub problems to find dead transitions.
[2024-05-22 20:18:41] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-05-22 20:18:41] [INFO ] Invariant cache hit.
[2024-05-22 20:18:41] [INFO ] State equation strengthened by 26 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (OVERLAPS) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 78 constraints, problems are : Problem set: 0 solved, 186 unsolved in 1813 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 186 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 186/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 6 (OVERLAPS) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 264 constraints, problems are : Problem set: 0 solved, 186 unsolved in 4821 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
After SMT, in 6735ms problems are : Problem set: 0 solved, 186 unsolved
Search for dead transitions found 0 dead transitions in 6737ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6874 ms. Remains : 49/49 places, 188/188 transitions.
[2024-05-22 20:18:48] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
Found an invariant !
This invariant on transitions {11=1, 23=1, 84=1, 85=1, 132=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {11=1, 23=1, 87=1, 88=1, 134=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 3) seen :[6, 6, 6]
Current structural bounds on expressions (after cover walk) : Max Seen:[28, 28, 19] Max Struct:[+inf, +inf, +inf]
RANDOM walk for 40000 steps (8 resets) in 1098 ms. (36 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (8 resets) in 164 ms. (242 steps per ms) remains 3/3 properties
[2024-05-22 20:18:49] [INFO ] Flatten gal took : 94 ms
BEST_FIRST walk for 40004 steps (8 resets) in 126 ms. (314 steps per ms) remains 3/3 properties
[2024-05-22 20:18:49] [INFO ] Flatten gal took : 32 ms
BEST_FIRST walk for 40003 steps (8 resets) in 98 ms. (404 steps per ms) remains 3/3 properties
[2024-05-22 20:18:49] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15872346841842139360.gal : 10 ms
[2024-05-22 20:18:49] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality983939440561546263.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality15872346841842139360.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality983939440561546263.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality983939440561546263.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :9 after 30
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :30 after 64
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :64 after 13129
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :13129 after 853328
Invariant property MIN0 does not hold.
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :853328 after 7.26614e+06
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :7.26614e+06 after 1.89016e+07
Interrupted probabilistic random walk after 548796 steps, run timeout after 3001 ms. (steps per millisecond=182 ) properties seen :0 out of 3
Probabilistic random walk after 548796 steps, saw 349137 distinct states, run finished after 3004 ms. (steps per millisecond=182 ) properties seen :0
[2024-05-22 20:18:52] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-05-22 20:18:52] [INFO ] Invariant cache hit.
[2024-05-22 20:18:52] [INFO ] State equation strengthened by 26 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 10/12 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 125/137 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/137 variables, 6/20 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/137 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 16/153 variables, 2/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/153 variables, 4/26 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/153 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 35/188 variables, 31/57 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/188 variables, 1/58 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/188 variables, 20/78 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 78 constraints, problems are : Problem set: 0 solved, 2 unsolved in 101 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 10/12 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 125/137 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/137 variables, 6/20 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/137 variables, 2/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/137 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 16/153 variables, 2/24 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/153 variables, 4/28 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/153 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 35/188 variables, 31/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/188 variables, 1/60 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/188 variables, 20/80 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/188 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 0/188 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 80 constraints, problems are : Problem set: 0 solved, 2 unsolved in 99 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
After SMT, in 207ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 679 ms.
Support contains 2 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 4 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 49/49 places, 188/188 transitions.
RANDOM walk for 40000 steps (8 resets) in 112 ms. (353 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 48 ms. (816 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 41 ms. (952 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :1.89016e+07 after 5.72893e+07
Interrupted probabilistic random walk after 820217 steps, run timeout after 3001 ms. (steps per millisecond=273 ) properties seen :0 out of 2
Probabilistic random walk after 820217 steps, saw 513707 distinct states, run finished after 3001 ms. (steps per millisecond=273 ) properties seen :0
[2024-05-22 20:18:56] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-05-22 20:18:56] [INFO ] Invariant cache hit.
[2024-05-22 20:18:56] [INFO ] State equation strengthened by 26 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 10/12 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 125/137 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/137 variables, 6/20 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/137 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 16/153 variables, 2/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/153 variables, 4/26 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/153 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 35/188 variables, 31/57 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/188 variables, 1/58 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/188 variables, 20/78 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 78 constraints, problems are : Problem set: 0 solved, 2 unsolved in 76 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 10/12 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 125/137 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/137 variables, 6/20 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/137 variables, 2/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/137 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 16/153 variables, 2/24 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/153 variables, 4/28 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/153 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 35/188 variables, 31/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/188 variables, 1/60 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/188 variables, 20/80 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/188 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 0/188 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 80 constraints, problems are : Problem set: 0 solved, 2 unsolved in 96 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
After SMT, in 176ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 501 ms.
Support contains 2 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 4 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 49/49 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 3 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2024-05-22 20:18:56] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-05-22 20:18:56] [INFO ] Invariant cache hit.
[2024-05-22 20:18:56] [INFO ] Implicit Places using invariants in 38 ms returned []
[2024-05-22 20:18:56] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-05-22 20:18:56] [INFO ] Invariant cache hit.
[2024-05-22 20:18:56] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-05-22 20:18:56] [INFO ] Implicit Places using invariants and state equation in 79 ms returned []
Implicit Place search using SMT with State Equation took 120 ms to find 0 implicit places.
[2024-05-22 20:18:56] [INFO ] Redundant transitions in 0 ms returned []
Running 186 sub problems to find dead transitions.
[2024-05-22 20:18:56] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-05-22 20:18:56] [INFO ] Invariant cache hit.
[2024-05-22 20:18:56] [INFO ] State equation strengthened by 26 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (OVERLAPS) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 78 constraints, problems are : Problem set: 0 solved, 186 unsolved in 1701 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 186 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 186/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 6 (OVERLAPS) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :5.72893e+07 after 1.94398e+08
After SMT solving in domain Int declared 188/188 variables, and 264 constraints, problems are : Problem set: 0 solved, 186 unsolved in 4571 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
After SMT, in 6381ms problems are : Problem set: 0 solved, 186 unsolved
Search for dead transitions found 0 dead transitions in 6383ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6511 ms. Remains : 49/49 places, 188/188 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 49 transitions
Reduce isomorphic transitions removed 49 transitions.
Iterating post reduction 0 with 49 rules applied. Total rules applied 49 place count 49 transition count 139
Performed 10 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 10 Pre rules applied. Total rules applied 49 place count 49 transition count 129
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 1 with 20 rules applied. Total rules applied 69 place count 39 transition count 129
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 71 place count 38 transition count 128
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 72 place count 37 transition count 124
Iterating global reduction 1 with 1 rules applied. Total rules applied 73 place count 37 transition count 124
Applied a total of 73 rules in 16 ms. Remains 37 /49 variables (removed 12) and now considering 124/188 (removed 64) transitions.
Running SMT prover for 2 properties.
// Phase 1: matrix 124 rows 37 cols
[2024-05-22 20:19:03] [INFO ] Computed 3 invariants in 1 ms
[2024-05-22 20:19:03] [INFO ] [Real]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-22 20:19:03] [INFO ] After 54ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2024-05-22 20:19:03] [INFO ] [Nat]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-22 20:19:03] [INFO ] After 36ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
[2024-05-22 20:19:03] [INFO ] After 45ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
[2024-05-22 20:19:03] [INFO ] After 85ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
[2024-05-22 20:19:03] [INFO ] Flatten gal took : 11 ms
[2024-05-22 20:19:03] [INFO ] Flatten gal took : 11 ms
[2024-05-22 20:19:03] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14210550687243860918.gal : 2 ms
[2024-05-22 20:19:03] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4931792919175525796.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality14210550687243860918.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4931792919175525796.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality4931792919175525796.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :10 after 63
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :63 after 4653
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :4653 after 191543
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :191543 after 1.30588e+06
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :1.30588e+06 after 6.4495e+06
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :6.4495e+06 after 2.82981e+07
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :2.82981e+07 after 1.18042e+08
Detected timeout of ITS tools.
[2024-05-22 20:19:18] [INFO ] Flatten gal took : 9 ms
[2024-05-22 20:19:18] [INFO ] Applying decomposition
[2024-05-22 20:19:18] [INFO ] Flatten gal took : 8 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph7431849253252540279.txt' '-o' '/tmp/graph7431849253252540279.bin' '-w' '/tmp/graph7431849253252540279.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph7431849253252540279.bin' '-l' '-1' '-v' '-w' '/tmp/graph7431849253252540279.weights' '-q' '0' '-e' '0.001'
[2024-05-22 20:19:18] [INFO ] Decomposing Gal with order
[2024-05-22 20:19:18] [INFO ] Rewriting arrays to variables to allow decomposition.
[2024-05-22 20:19:18] [INFO ] Removed a total of 249 redundant transitions.
[2024-05-22 20:19:18] [INFO ] Flatten gal took : 67 ms
[2024-05-22 20:19:18] [INFO ] Fuse similar labels procedure discarded/fused a total of 14 labels/synchronizations in 12 ms.
[2024-05-22 20:19:18] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12563770231015135076.gal : 5 ms
[2024-05-22 20:19:18] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7111882544097675333.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality12563770231015135076.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7111882544097675333.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality7111882544097675333.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :10 after 63
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30576 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2024-05-22 20:19:34] [INFO ] Flatten gal took : 11 ms
[2024-05-22 20:19:34] [INFO ] Applying decomposition
[2024-05-22 20:19:34] [INFO ] Flatten gal took : 10 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph814942141155433908.txt' '-o' '/tmp/graph814942141155433908.bin' '-w' '/tmp/graph814942141155433908.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph814942141155433908.bin' '-l' '-1' '-v' '-w' '/tmp/graph814942141155433908.weights' '-q' '0' '-e' '0.001'
[2024-05-22 20:19:34] [INFO ] Decomposing Gal with order
[2024-05-22 20:19:34] [INFO ] Rewriting arrays to variables to allow decomposition.
[2024-05-22 20:19:34] [INFO ] Removed a total of 394 redundant transitions.
[2024-05-22 20:19:34] [INFO ] Flatten gal took : 19 ms
[2024-05-22 20:19:34] [INFO ] Fuse similar labels procedure discarded/fused a total of 16 labels/synchronizations in 5 ms.
[2024-05-22 20:19:34] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16756521299026886320.gal : 3 ms
[2024-05-22 20:19:34] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14531163468907314143.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality16756521299026886320.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14531163468907314143.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...309
Loading property file /tmp/ReachabilityCardinality14531163468907314143.prop.
Detected timeout of ITS tools.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[28, 28, 19] Max Struct:[+inf, +inf, +inf]
Starting property specific reduction for DoubleLock-PT-p2s1-UpperBounds-05
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]
[2024-05-22 20:20:24] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
// Phase 1: matrix 139 rows 49 cols
[2024-05-22 20:20:24] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 22 ms. (434 steps per ms)
BEST_FIRST walk for 10000 steps (2 resets) in 6 ms. (1428 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[18] Max Struct:[+inf]
[2024-05-22 20:20:24] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-05-22 20:20:24] [INFO ] Invariant cache hit.
[2024-05-22 20:20:24] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-22 20:20:24] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-05-22 20:20:24] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 20:20:24] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:20:24] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2024-05-22 20:20:24] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-05-22 20:20:24] [INFO ] [Nat]Added 26 Read/Feed constraints in 6 ms returned sat
[2024-05-22 20:20:24] [INFO ] Computed and/alt/rep : 59/378/59 causal constraints (skipped 78 transitions) in 11 ms.
[2024-05-22 20:20:24] [INFO ] Added : 10 causal constraints over 2 iterations in 37 ms. Result :sat
Minimization took 31 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[18] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[18] Max Struct:[+inf]
Support contains 1 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 3 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 49/49 places, 188/188 transitions.
[2024-05-22 20:20:24] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
Found an invariant !
This invariant on transitions {11=1, 23=1, 84=1, 85=1, 132=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {11=1, 23=1, 87=1, 88=1, 134=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=526 ) properties (out of 1) seen :[5]
Current structural bounds on expressions (after cover walk) : Max Seen:[18] Max Struct:[+inf]
[2024-05-22 20:20:24] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-05-22 20:20:24] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[18] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1313 ms. (761 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 379 ms. (2631 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[22] Max Struct:[+inf]
[2024-05-22 20:20:26] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-05-22 20:20:26] [INFO ] Invariant cache hit.
[2024-05-22 20:20:26] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:20:26] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2024-05-22 20:20:26] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 20:20:26] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:20:26] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2024-05-22 20:20:26] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-05-22 20:20:26] [INFO ] [Nat]Added 26 Read/Feed constraints in 5 ms returned sat
[2024-05-22 20:20:26] [INFO ] Computed and/alt/rep : 59/378/59 causal constraints (skipped 78 transitions) in 8 ms.
[2024-05-22 20:20:26] [INFO ] Added : 10 causal constraints over 2 iterations in 33 ms. Result :sat
Minimization took 30 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[22] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[22] Max Struct:[+inf]
Support contains 1 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 2 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 49/49 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 2 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2024-05-22 20:20:26] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-05-22 20:20:26] [INFO ] Invariant cache hit.
[2024-05-22 20:20:26] [INFO ] Implicit Places using invariants in 51 ms returned []
[2024-05-22 20:20:26] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-05-22 20:20:26] [INFO ] Invariant cache hit.
[2024-05-22 20:20:26] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-05-22 20:20:26] [INFO ] Implicit Places using invariants and state equation in 90 ms returned []
Implicit Place search using SMT with State Equation took 143 ms to find 0 implicit places.
[2024-05-22 20:20:26] [INFO ] Redundant transitions in 0 ms returned []
Running 186 sub problems to find dead transitions.
[2024-05-22 20:20:26] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-05-22 20:20:26] [INFO ] Invariant cache hit.
[2024-05-22 20:20:26] [INFO ] State equation strengthened by 26 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (OVERLAPS) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 78 constraints, problems are : Problem set: 0 solved, 186 unsolved in 1788 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 186 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 186/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 6 (OVERLAPS) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 264 constraints, problems are : Problem set: 0 solved, 186 unsolved in 4712 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
After SMT, in 6589ms problems are : Problem set: 0 solved, 186 unsolved
Search for dead transitions found 0 dead transitions in 6592ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6745 ms. Remains : 49/49 places, 188/188 transitions.
[2024-05-22 20:20:33] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
Found an invariant !
This invariant on transitions {11=1, 23=1, 84=1, 85=1, 132=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {11=1, 23=1, 87=1, 88=1, 134=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 1) seen :[7]
Current structural bounds on expressions (after cover walk) : Max Seen:[22] Max Struct:[+inf]
[2024-05-22 20:20:33] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-05-22 20:20:33] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[22] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1315 ms. (759 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 374 ms. (2666 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[22] Max Struct:[+inf]
[2024-05-22 20:20:34] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-05-22 20:20:34] [INFO ] Invariant cache hit.
[2024-05-22 20:20:34] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:20:34] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2024-05-22 20:20:34] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 20:20:34] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:20:35] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2024-05-22 20:20:35] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-05-22 20:20:35] [INFO ] [Nat]Added 26 Read/Feed constraints in 5 ms returned sat
[2024-05-22 20:20:35] [INFO ] Computed and/alt/rep : 59/378/59 causal constraints (skipped 78 transitions) in 8 ms.
[2024-05-22 20:20:35] [INFO ] Added : 10 causal constraints over 2 iterations in 31 ms. Result :sat
Minimization took 30 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[22] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[22] Max Struct:[+inf]
Support contains 1 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 2 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 49/49 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 2 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2024-05-22 20:20:35] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-05-22 20:20:35] [INFO ] Invariant cache hit.
[2024-05-22 20:20:35] [INFO ] Implicit Places using invariants in 51 ms returned []
[2024-05-22 20:20:35] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-05-22 20:20:35] [INFO ] Invariant cache hit.
[2024-05-22 20:20:35] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-05-22 20:20:35] [INFO ] Implicit Places using invariants and state equation in 96 ms returned []
Implicit Place search using SMT with State Equation took 148 ms to find 0 implicit places.
[2024-05-22 20:20:35] [INFO ] Redundant transitions in 1 ms returned []
Running 186 sub problems to find dead transitions.
[2024-05-22 20:20:35] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-05-22 20:20:35] [INFO ] Invariant cache hit.
[2024-05-22 20:20:35] [INFO ] State equation strengthened by 26 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (OVERLAPS) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 78 constraints, problems are : Problem set: 0 solved, 186 unsolved in 1875 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 186 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 186/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 6 (OVERLAPS) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 264 constraints, problems are : Problem set: 0 solved, 186 unsolved in 4696 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
After SMT, in 6660ms problems are : Problem set: 0 solved, 186 unsolved
Search for dead transitions found 0 dead transitions in 6662ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6822 ms. Remains : 49/49 places, 188/188 transitions.
[2024-05-22 20:20:41] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
Found an invariant !
This invariant on transitions {11=1, 23=1, 84=1, 85=1, 132=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {11=1, 23=1, 87=1, 88=1, 134=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=526 ) properties (out of 1) seen :[5]
Current structural bounds on expressions (after cover walk) : Max Seen:[22] Max Struct:[+inf]
[2024-05-22 20:20:42] [INFO ] Flatten gal took : 10 ms
RANDOM walk for 40000 steps (8 resets) in 137 ms. (289 steps per ms) remains 1/1 properties
[2024-05-22 20:20:42] [INFO ] Flatten gal took : 16 ms
BEST_FIRST walk for 40004 steps (8 resets) in 25 ms. (1538 steps per ms) remains 1/1 properties
[2024-05-22 20:20:42] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17857721530472521402.gal : 2 ms
[2024-05-22 20:20:42] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality933514858164897827.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality17857721530472521402.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality933514858164897827.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality933514858164897827.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :9 after 30
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :30 after 64
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :64 after 13129
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :13129 after 853328
Invariant property MIN0 does not hold.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 65 fixpoint passes
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,7.26614e+06,1.27208,40068,2,4902,11,245316,6,0,386,108427,0
Total reachable state count : 7266137

Verifying 1 reachability properties.
Invariant property MIN0 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,5562,1.27275,40068,2,187,11,245316,7,0,389,108427,0
Interrupted probabilistic random walk after 2253839 steps, run timeout after 3001 ms. (steps per millisecond=751 ) properties seen :0 out of 1
Probabilistic random walk after 2253839 steps, saw 1436782 distinct states, run finished after 3001 ms. (steps per millisecond=751 ) properties seen :0
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[22] Max Struct:[+inf]
Ending property specific reduction for DoubleLock-PT-p2s1-UpperBounds-05 in 20895 ms.
Starting property specific reduction for DoubleLock-PT-p2s1-UpperBounds-08
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-22 20:20:45] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-05-22 20:20:45] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 15 ms. (625 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 5 ms. (1666 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[9] Max Struct:[+inf]
[2024-05-22 20:20:45] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-05-22 20:20:45] [INFO ] Invariant cache hit.
[2024-05-22 20:20:45] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:20:45] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2024-05-22 20:20:45] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-05-22 20:20:45] [INFO ] [Real]Added 26 Read/Feed constraints in 6 ms returned sat
[2024-05-22 20:20:45] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 20:20:45] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:20:45] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2024-05-22 20:20:45] [INFO ] [Nat]Added 26 Read/Feed constraints in 6 ms returned sat
[2024-05-22 20:20:45] [INFO ] Deduced a trap composed of 21 places in 43 ms of which 1 ms to minimize.
[2024-05-22 20:20:45] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 52 ms
[2024-05-22 20:20:45] [INFO ] Computed and/alt/rep : 59/378/59 causal constraints (skipped 78 transitions) in 9 ms.
[2024-05-22 20:20:45] [INFO ] Added : 11 causal constraints over 3 iterations in 40 ms. Result :sat
Minimization took 31 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[9] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[9] Max Struct:[+inf]
Support contains 1 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 2 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 49/49 places, 188/188 transitions.
[2024-05-22 20:20:45] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
Found an invariant !
This invariant on transitions {11=1, 23=1, 84=1, 85=1, 132=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {11=1, 23=1, 87=1, 88=1, 134=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=714 ) properties (out of 1) seen :[7]
Current structural bounds on expressions (after cover walk) : Max Seen:[9] Max Struct:[+inf]
[2024-05-22 20:20:45] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-05-22 20:20:45] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[9] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1391 ms. (718 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 377 ms. (2645 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[13] Max Struct:[+inf]
[2024-05-22 20:20:47] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-05-22 20:20:47] [INFO ] Invariant cache hit.
[2024-05-22 20:20:47] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-22 20:20:47] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2024-05-22 20:20:47] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-05-22 20:20:47] [INFO ] [Real]Added 26 Read/Feed constraints in 6 ms returned sat
[2024-05-22 20:20:47] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 20:20:47] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:20:47] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2024-05-22 20:20:47] [INFO ] [Nat]Added 26 Read/Feed constraints in 7 ms returned sat
[2024-05-22 20:20:47] [INFO ] Computed and/alt/rep : 59/378/59 causal constraints (skipped 78 transitions) in 9 ms.
[2024-05-22 20:20:47] [INFO ] Added : 26 causal constraints over 6 iterations in 80 ms. Result :sat
Minimization took 36 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[13] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[13] Max Struct:[+inf]
Support contains 1 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 2 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 49/49 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 3 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2024-05-22 20:20:47] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-05-22 20:20:47] [INFO ] Invariant cache hit.
[2024-05-22 20:20:47] [INFO ] Implicit Places using invariants in 49 ms returned []
[2024-05-22 20:20:47] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-05-22 20:20:47] [INFO ] Invariant cache hit.
[2024-05-22 20:20:47] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-05-22 20:20:47] [INFO ] Implicit Places using invariants and state equation in 89 ms returned []
Implicit Place search using SMT with State Equation took 138 ms to find 0 implicit places.
[2024-05-22 20:20:47] [INFO ] Redundant transitions in 1 ms returned []
Running 186 sub problems to find dead transitions.
[2024-05-22 20:20:47] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-05-22 20:20:47] [INFO ] Invariant cache hit.
[2024-05-22 20:20:47] [INFO ] State equation strengthened by 26 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (OVERLAPS) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 78 constraints, problems are : Problem set: 0 solved, 186 unsolved in 1837 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 186 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 186/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 6 (OVERLAPS) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 264 constraints, problems are : Problem set: 0 solved, 186 unsolved in 5058 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
After SMT, in 6998ms problems are : Problem set: 0 solved, 186 unsolved
Search for dead transitions found 0 dead transitions in 7001ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7154 ms. Remains : 49/49 places, 188/188 transitions.
[2024-05-22 20:20:54] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
Found an invariant !
This invariant on transitions {11=1, 23=1, 84=1, 85=1, 132=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {11=1, 23=1, 87=1, 88=1, 134=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=526 ) properties (out of 1) seen :[7]
Current structural bounds on expressions (after cover walk) : Max Seen:[13] Max Struct:[+inf]
[2024-05-22 20:20:54] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-05-22 20:20:54] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[13] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1311 ms. (762 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 370 ms. (2695 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[13] Max Struct:[+inf]
[2024-05-22 20:20:56] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-05-22 20:20:56] [INFO ] Invariant cache hit.
[2024-05-22 20:20:56] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-22 20:20:56] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2024-05-22 20:20:56] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-05-22 20:20:56] [INFO ] [Real]Added 26 Read/Feed constraints in 6 ms returned sat
[2024-05-22 20:20:56] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 20:20:56] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:20:56] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2024-05-22 20:20:56] [INFO ] [Nat]Added 26 Read/Feed constraints in 6 ms returned sat
[2024-05-22 20:20:56] [INFO ] Computed and/alt/rep : 59/378/59 causal constraints (skipped 78 transitions) in 8 ms.
[2024-05-22 20:20:56] [INFO ] Added : 26 causal constraints over 6 iterations in 80 ms. Result :sat
Minimization took 38 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[13] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[13] Max Struct:[+inf]
Support contains 1 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 3 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 49/49 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 2 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2024-05-22 20:20:56] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-05-22 20:20:56] [INFO ] Invariant cache hit.
[2024-05-22 20:20:56] [INFO ] Implicit Places using invariants in 47 ms returned []
[2024-05-22 20:20:56] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-05-22 20:20:56] [INFO ] Invariant cache hit.
[2024-05-22 20:20:56] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-05-22 20:20:56] [INFO ] Implicit Places using invariants and state equation in 95 ms returned []
Implicit Place search using SMT with State Equation took 143 ms to find 0 implicit places.
[2024-05-22 20:20:56] [INFO ] Redundant transitions in 0 ms returned []
Running 186 sub problems to find dead transitions.
[2024-05-22 20:20:56] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-05-22 20:20:56] [INFO ] Invariant cache hit.
[2024-05-22 20:20:56] [INFO ] State equation strengthened by 26 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (OVERLAPS) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 78 constraints, problems are : Problem set: 0 solved, 186 unsolved in 1848 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 186 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 186/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 6 (OVERLAPS) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 264 constraints, problems are : Problem set: 0 solved, 186 unsolved in 4702 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
After SMT, in 6638ms problems are : Problem set: 0 solved, 186 unsolved
Search for dead transitions found 0 dead transitions in 6641ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6794 ms. Remains : 49/49 places, 188/188 transitions.
[2024-05-22 20:21:03] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
Found an invariant !
This invariant on transitions {11=1, 23=1, 84=1, 85=1, 132=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {11=1, 23=1, 87=1, 88=1, 134=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 18 ms. (steps per millisecond=555 ) properties (out of 1) seen :[6]
Current structural bounds on expressions (after cover walk) : Max Seen:[13] Max Struct:[+inf]
[2024-05-22 20:21:03] [INFO ] Flatten gal took : 13 ms
[2024-05-22 20:21:03] [INFO ] Flatten gal took : 9 ms
[2024-05-22 20:21:03] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4212383722147890093.gal : 2 ms
[2024-05-22 20:21:03] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9761188541001861509.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality4212383722147890093.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9761188541001861509.prop' '--nowitness' '--gen-order' 'FOLLOW'
RANDOM walk for 40000 steps (8 resets) in 93 ms. (425 steps per ms) remains 1/1 properties

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
BEST_FIRST walk for 40004 steps (8 resets) in 23 ms. (1666 steps per ms) remains 1/1 properties
Loading property file /tmp/ReachabilityCardinality9761188541001861509.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :9 after 30
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :30 after 64
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :64 after 13129
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :13129 after 853328
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :853328 after 7.26614e+06
Interrupted probabilistic random walk after 1871891 steps, run timeout after 3001 ms. (steps per millisecond=623 ) properties seen :0 out of 1
Probabilistic random walk after 1871891 steps, saw 1193950 distinct states, run finished after 3001 ms. (steps per millisecond=623 ) properties seen :0
[2024-05-22 20:21:06] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-05-22 20:21:06] [INFO ] Invariant cache hit.
[2024-05-22 20:21:06] [INFO ] State equation strengthened by 26 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :7.26614e+06 after 3.5404e+07
At refinement iteration 3 (OVERLAPS) 127/133 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/133 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/133 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 17/150 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/150 variables, 5/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/150 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 38/188 variables, 33/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/188 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/188 variables, 21/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 78 constraints, problems are : Problem set: 0 solved, 1 unsolved in 73 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 127/133 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/133 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/133 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/133 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 17/150 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/150 variables, 5/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/150 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 38/188 variables, 33/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/188 variables, 1/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/188 variables, 21/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/188 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/188 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 79 constraints, problems are : Problem set: 0 solved, 1 unsolved in 76 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 153ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 41 ms.
Support contains 1 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 10 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 49/49 places, 188/188 transitions.
RANDOM walk for 40000 steps (8 resets) in 101 ms. (392 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 28 ms. (1379 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1785137 steps, run timeout after 3001 ms. (steps per millisecond=594 ) properties seen :0 out of 1
Probabilistic random walk after 1785137 steps, saw 1135351 distinct states, run finished after 3001 ms. (steps per millisecond=594 ) properties seen :0
[2024-05-22 20:21:09] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-05-22 20:21:09] [INFO ] Invariant cache hit.
[2024-05-22 20:21:09] [INFO ] State equation strengthened by 26 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 127/133 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/133 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/133 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 17/150 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/150 variables, 5/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/150 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 38/188 variables, 33/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/188 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/188 variables, 21/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 78 constraints, problems are : Problem set: 0 solved, 1 unsolved in 61 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 127/133 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/133 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/133 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/133 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 17/150 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/150 variables, 5/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/150 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 38/188 variables, 33/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/188 variables, 1/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/188 variables, 21/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/188 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/188 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 79 constraints, problems are : Problem set: 0 solved, 1 unsolved in 76 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 142ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 76 ms.
Support contains 1 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 3 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 49/49 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 8 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2024-05-22 20:21:10] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-05-22 20:21:10] [INFO ] Invariant cache hit.
[2024-05-22 20:21:10] [INFO ] Implicit Places using invariants in 53 ms returned []
[2024-05-22 20:21:10] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-05-22 20:21:10] [INFO ] Invariant cache hit.
[2024-05-22 20:21:10] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-05-22 20:21:10] [INFO ] Implicit Places using invariants and state equation in 98 ms returned []
Implicit Place search using SMT with State Equation took 152 ms to find 0 implicit places.
[2024-05-22 20:21:10] [INFO ] Redundant transitions in 0 ms returned []
Running 186 sub problems to find dead transitions.
[2024-05-22 20:21:10] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-05-22 20:21:10] [INFO ] Invariant cache hit.
[2024-05-22 20:21:10] [INFO ] State equation strengthened by 26 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (OVERLAPS) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 78 constraints, problems are : Problem set: 0 solved, 186 unsolved in 1832 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 186 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 186/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :3.5404e+07 after 1.52093e+08
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 6 (OVERLAPS) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 264 constraints, problems are : Problem set: 0 solved, 186 unsolved in 4665 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
After SMT, in 6598ms problems are : Problem set: 0 solved, 186 unsolved
Search for dead transitions found 0 dead transitions in 6601ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6766 ms. Remains : 49/49 places, 188/188 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 49 transitions
Reduce isomorphic transitions removed 49 transitions.
Iterating post reduction 0 with 49 rules applied. Total rules applied 49 place count 49 transition count 139
Performed 11 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 11 Pre rules applied. Total rules applied 49 place count 49 transition count 128
Deduced a syphon composed of 11 places in 0 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 1 with 22 rules applied. Total rules applied 71 place count 38 transition count 128
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 73 place count 37 transition count 127
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 74 place count 36 transition count 123
Iterating global reduction 1 with 1 rules applied. Total rules applied 75 place count 36 transition count 123
Applied a total of 75 rules in 9 ms. Remains 36 /49 variables (removed 13) and now considering 123/188 (removed 65) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 123 rows 36 cols
[2024-05-22 20:21:16] [INFO ] Computed 3 invariants in 2 ms
[2024-05-22 20:21:16] [INFO ] [Real]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-22 20:21:16] [INFO ] After 53ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-22 20:21:17] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:21:17] [INFO ] After 21ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-22 20:21:17] [INFO ] After 25ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-22 20:21:17] [INFO ] After 63ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2024-05-22 20:21:17] [INFO ] Flatten gal took : 18 ms
[2024-05-22 20:21:17] [INFO ] Flatten gal took : 6 ms
[2024-05-22 20:21:17] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4747672304888709089.gal : 1 ms
[2024-05-22 20:21:17] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7025214653215843797.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality4747672304888709089.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7025214653215843797.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality7025214653215843797.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 175
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :175 after 4653
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :4653 after 191543
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :191543 after 1.30588e+06
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :1.30588e+06 after 6.4495e+06
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :6.4495e+06 after 2.82981e+07
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :2.82981e+07 after 1.18042e+08
Detected timeout of ITS tools.
[2024-05-22 20:21:32] [INFO ] Flatten gal took : 6 ms
[2024-05-22 20:21:32] [INFO ] Applying decomposition
[2024-05-22 20:21:32] [INFO ] Flatten gal took : 7 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph681340132817001637.txt' '-o' '/tmp/graph681340132817001637.bin' '-w' '/tmp/graph681340132817001637.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph681340132817001637.bin' '-l' '-1' '-v' '-w' '/tmp/graph681340132817001637.weights' '-q' '0' '-e' '0.001'
[2024-05-22 20:21:32] [INFO ] Decomposing Gal with order
[2024-05-22 20:21:32] [INFO ] Rewriting arrays to variables to allow decomposition.
[2024-05-22 20:21:32] [INFO ] Removed a total of 246 redundant transitions.
[2024-05-22 20:21:32] [INFO ] Flatten gal took : 14 ms
[2024-05-22 20:21:32] [INFO ] Fuse similar labels procedure discarded/fused a total of 11 labels/synchronizations in 3 ms.
[2024-05-22 20:21:32] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10111478059369619526.gal : 7 ms
[2024-05-22 20:21:32] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7510860553688851325.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality10111478059369619526.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7510860553688851325.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality7510860553688851325.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 10
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :10 after 20
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :20 after 126
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30335 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2024-05-22 20:21:47] [INFO ] Flatten gal took : 20 ms
[2024-05-22 20:21:47] [INFO ] Applying decomposition
[2024-05-22 20:21:47] [INFO ] Flatten gal took : 7 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph5841273654465961142.txt' '-o' '/tmp/graph5841273654465961142.bin' '-w' '/tmp/graph5841273654465961142.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph5841273654465961142.bin' '-l' '-1' '-v' '-w' '/tmp/graph5841273654465961142.weights' '-q' '0' '-e' '0.001'
[2024-05-22 20:21:47] [INFO ] Decomposing Gal with order
[2024-05-22 20:21:47] [INFO ] Rewriting arrays to variables to allow decomposition.
[2024-05-22 20:21:47] [INFO ] Removed a total of 394 redundant transitions.
[2024-05-22 20:21:47] [INFO ] Flatten gal took : 15 ms
[2024-05-22 20:21:47] [INFO ] Fuse similar labels procedure discarded/fused a total of 16 labels/synchronizations in 4 ms.
[2024-05-22 20:21:47] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16627812087319661808.gal : 1 ms
[2024-05-22 20:21:47] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6494285749628992344.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality16627812087319661808.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6494285749628992344.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality6494285749628992344.prop.
Detected timeout of ITS tools.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[13] Max Struct:[+inf]
Ending property specific reduction for DoubleLock-PT-p2s1-UpperBounds-08 in 112362 ms.
Starting property specific reduction for DoubleLock-PT-p2s1-UpperBounds-13
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-22 20:22:37] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
// Phase 1: matrix 139 rows 49 cols
[2024-05-22 20:22:37] [INFO ] Computed 3 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 15 ms. (625 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]
[2024-05-22 20:22:37] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-05-22 20:22:37] [INFO ] Invariant cache hit.
[2024-05-22 20:22:37] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:22:37] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-05-22 20:22:37] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-05-22 20:22:37] [INFO ] [Real]Added 26 Read/Feed constraints in 4 ms returned sat
[2024-05-22 20:22:37] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 20:22:37] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:22:37] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2024-05-22 20:22:37] [INFO ] [Nat]Added 26 Read/Feed constraints in 5 ms returned sat
[2024-05-22 20:22:37] [INFO ] Deduced a trap composed of 27 places in 41 ms of which 1 ms to minimize.
[2024-05-22 20:22:37] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 57 ms
[2024-05-22 20:22:37] [INFO ] Computed and/alt/rep : 59/378/59 causal constraints (skipped 78 transitions) in 10 ms.
[2024-05-22 20:22:37] [INFO ] Added : 18 causal constraints over 4 iterations in 50 ms. Result :sat
Minimization took 34 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[10] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10] Max Struct:[+inf]
Support contains 1 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 10 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 49/49 places, 188/188 transitions.
[2024-05-22 20:22:37] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
Found an invariant !
This invariant on transitions {11=1, 23=1, 84=1, 85=1, 132=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {11=1, 23=1, 87=1, 88=1, 134=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=666 ) properties (out of 1) seen :[6]
Current structural bounds on expressions (after cover walk) : Max Seen:[10] Max Struct:[+inf]
[2024-05-22 20:22:37] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-05-22 20:22:37] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[10] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1377 ms. (725 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 371 ms. (2688 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[13] Max Struct:[+inf]
[2024-05-22 20:22:39] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-05-22 20:22:39] [INFO ] Invariant cache hit.
[2024-05-22 20:22:39] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:22:39] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2024-05-22 20:22:39] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 20:22:39] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:22:39] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2024-05-22 20:22:39] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-05-22 20:22:39] [INFO ] [Nat]Added 26 Read/Feed constraints in 6 ms returned sat
[2024-05-22 20:22:39] [INFO ] Computed and/alt/rep : 59/378/59 causal constraints (skipped 78 transitions) in 8 ms.
[2024-05-22 20:22:39] [INFO ] Added : 36 causal constraints over 8 iterations in 93 ms. Result :sat
Minimization took 39 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[13] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[13] Max Struct:[+inf]
Support contains 1 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 2 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 49/49 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 2 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2024-05-22 20:22:39] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-05-22 20:22:39] [INFO ] Invariant cache hit.
[2024-05-22 20:22:39] [INFO ] Implicit Places using invariants in 53 ms returned []
[2024-05-22 20:22:39] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-05-22 20:22:39] [INFO ] Invariant cache hit.
[2024-05-22 20:22:39] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-05-22 20:22:40] [INFO ] Implicit Places using invariants and state equation in 89 ms returned []
Implicit Place search using SMT with State Equation took 143 ms to find 0 implicit places.
[2024-05-22 20:22:40] [INFO ] Redundant transitions in 0 ms returned []
Running 186 sub problems to find dead transitions.
[2024-05-22 20:22:40] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-05-22 20:22:40] [INFO ] Invariant cache hit.
[2024-05-22 20:22:40] [INFO ] State equation strengthened by 26 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (OVERLAPS) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 78 constraints, problems are : Problem set: 0 solved, 186 unsolved in 1878 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 186 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 186/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 6 (OVERLAPS) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 264 constraints, problems are : Problem set: 0 solved, 186 unsolved in 4741 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
After SMT, in 6708ms problems are : Problem set: 0 solved, 186 unsolved
Search for dead transitions found 0 dead transitions in 6710ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6860 ms. Remains : 49/49 places, 188/188 transitions.
[2024-05-22 20:22:46] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
Found an invariant !
This invariant on transitions {11=1, 23=1, 84=1, 85=1, 132=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {11=1, 23=1, 87=1, 88=1, 134=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=526 ) properties (out of 1) seen :[5]
Current structural bounds on expressions (after cover walk) : Max Seen:[13] Max Struct:[+inf]
[2024-05-22 20:22:46] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-05-22 20:22:46] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[13] Max Struct:[+inf]
RANDOM walk for 1000004 steps (2 resets) in 1347 ms. (741 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 375 ms. (2659 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[13] Max Struct:[+inf]
[2024-05-22 20:22:48] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-05-22 20:22:48] [INFO ] Invariant cache hit.
[2024-05-22 20:22:48] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:22:48] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2024-05-22 20:22:48] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 20:22:48] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:22:48] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2024-05-22 20:22:48] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-05-22 20:22:48] [INFO ] [Nat]Added 26 Read/Feed constraints in 6 ms returned sat
[2024-05-22 20:22:48] [INFO ] Computed and/alt/rep : 59/378/59 causal constraints (skipped 78 transitions) in 8 ms.
[2024-05-22 20:22:48] [INFO ] Added : 36 causal constraints over 8 iterations in 84 ms. Result :sat
Minimization took 39 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[13] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[13] Max Struct:[+inf]
Support contains 1 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 8 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 49/49 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 5 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2024-05-22 20:22:48] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-05-22 20:22:48] [INFO ] Invariant cache hit.
[2024-05-22 20:22:48] [INFO ] Implicit Places using invariants in 39 ms returned []
[2024-05-22 20:22:48] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-05-22 20:22:48] [INFO ] Invariant cache hit.
[2024-05-22 20:22:48] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-05-22 20:22:48] [INFO ] Implicit Places using invariants and state equation in 82 ms returned []
Implicit Place search using SMT with State Equation took 122 ms to find 0 implicit places.
[2024-05-22 20:22:48] [INFO ] Redundant transitions in 0 ms returned []
Running 186 sub problems to find dead transitions.
[2024-05-22 20:22:48] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-05-22 20:22:48] [INFO ] Invariant cache hit.
[2024-05-22 20:22:48] [INFO ] State equation strengthened by 26 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (OVERLAPS) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 78 constraints, problems are : Problem set: 0 solved, 186 unsolved in 1751 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 186 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 186/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 6 (OVERLAPS) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 264 constraints, problems are : Problem set: 0 solved, 186 unsolved in 4882 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
After SMT, in 6726ms problems are : Problem set: 0 solved, 186 unsolved
Search for dead transitions found 0 dead transitions in 6729ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6862 ms. Remains : 49/49 places, 188/188 transitions.
[2024-05-22 20:22:55] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
Found an invariant !
This invariant on transitions {11=1, 23=1, 84=1, 85=1, 132=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {11=1, 23=1, 87=1, 88=1, 134=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 1) seen :[6]
Current structural bounds on expressions (after cover walk) : Max Seen:[13] Max Struct:[+inf]
[2024-05-22 20:22:55] [INFO ] Flatten gal took : 13 ms
[2024-05-22 20:22:55] [INFO ] Flatten gal took : 15 ms
[2024-05-22 20:22:55] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9232199713962714270.gal : 1 ms
[2024-05-22 20:22:55] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16983546104603419086.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality9232199713962714270.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16983546104603419086.prop' '--nowitness' '--gen-order' 'FOLLOW'
RANDOM walk for 40003 steps (8 resets) in 76 ms. (519 steps per ms) remains 1/1 properties

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
BEST_FIRST walk for 40004 steps (8 resets) in 36 ms. (1081 steps per ms) remains 1/1 properties
Loading property file /tmp/ReachabilityCardinality16983546104603419086.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :9 after 30
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :30 after 64
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :64 after 13129
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :13129 after 853328
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :853328 after 7.26614e+06
Interrupted probabilistic random walk after 2251718 steps, run timeout after 3001 ms. (steps per millisecond=750 ) properties seen :0 out of 1
Probabilistic random walk after 2251718 steps, saw 1435483 distinct states, run finished after 3001 ms. (steps per millisecond=750 ) properties seen :0
[2024-05-22 20:22:58] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-05-22 20:22:58] [INFO ] Invariant cache hit.
[2024-05-22 20:22:58] [INFO ] State equation strengthened by 26 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 126/132 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/132 variables, 6/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/132 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 17/149 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/149 variables, 5/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/149 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 39/188 variables, 33/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/188 variables, 1/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/188 variables, 20/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 78 constraints, problems are : Problem set: 0 solved, 1 unsolved in 66 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 126/132 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/132 variables, 6/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/132 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/132 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 17/149 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/149 variables, 5/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/149 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 39/188 variables, 33/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/188 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/188 variables, 20/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/188 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/188 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 79 constraints, problems are : Problem set: 0 solved, 1 unsolved in 61 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 131ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 31 ms.
Support contains 1 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 2 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 49/49 places, 188/188 transitions.
RANDOM walk for 40000 steps (8 resets) in 121 ms. (327 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 27 ms. (1428 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :7.26614e+06 after 3.5404e+07
Interrupted probabilistic random walk after 2233740 steps, run timeout after 3001 ms. (steps per millisecond=744 ) properties seen :0 out of 1
Probabilistic random walk after 2233740 steps, saw 1424291 distinct states, run finished after 3001 ms. (steps per millisecond=744 ) properties seen :0
[2024-05-22 20:23:02] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-05-22 20:23:02] [INFO ] Invariant cache hit.
[2024-05-22 20:23:02] [INFO ] State equation strengthened by 26 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 126/132 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/132 variables, 6/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/132 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 17/149 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/149 variables, 5/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/149 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 39/188 variables, 33/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/188 variables, 1/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/188 variables, 20/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 78 constraints, problems are : Problem set: 0 solved, 1 unsolved in 64 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 126/132 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/132 variables, 6/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/132 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/132 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 17/149 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/149 variables, 5/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/149 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 39/188 variables, 33/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/188 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/188 variables, 20/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/188 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/188 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 79 constraints, problems are : Problem set: 0 solved, 1 unsolved in 62 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 130ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 34 ms.
Support contains 1 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 2 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 49/49 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 1 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2024-05-22 20:23:02] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-05-22 20:23:02] [INFO ] Invariant cache hit.
[2024-05-22 20:23:02] [INFO ] Implicit Places using invariants in 46 ms returned []
[2024-05-22 20:23:02] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-05-22 20:23:02] [INFO ] Invariant cache hit.
[2024-05-22 20:23:02] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-05-22 20:23:02] [INFO ] Implicit Places using invariants and state equation in 88 ms returned []
Implicit Place search using SMT with State Equation took 136 ms to find 0 implicit places.
[2024-05-22 20:23:02] [INFO ] Redundant transitions in 1 ms returned []
Running 186 sub problems to find dead transitions.
[2024-05-22 20:23:02] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-05-22 20:23:02] [INFO ] Invariant cache hit.
[2024-05-22 20:23:02] [INFO ] State equation strengthened by 26 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (OVERLAPS) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 78 constraints, problems are : Problem set: 0 solved, 186 unsolved in 1849 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 186 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 186/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :3.5404e+07 after 1.52093e+08
At refinement iteration 6 (OVERLAPS) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 264 constraints, problems are : Problem set: 0 solved, 186 unsolved in 4785 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
After SMT, in 6727ms problems are : Problem set: 0 solved, 186 unsolved
Search for dead transitions found 0 dead transitions in 6731ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6873 ms. Remains : 49/49 places, 188/188 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 49 transitions
Reduce isomorphic transitions removed 49 transitions.
Iterating post reduction 0 with 49 rules applied. Total rules applied 49 place count 49 transition count 139
Performed 10 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 10 Pre rules applied. Total rules applied 49 place count 49 transition count 129
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 1 with 20 rules applied. Total rules applied 69 place count 39 transition count 129
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 73 place count 37 transition count 127
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 74 place count 36 transition count 123
Iterating global reduction 1 with 1 rules applied. Total rules applied 75 place count 36 transition count 123
Applied a total of 75 rules in 8 ms. Remains 36 /49 variables (removed 13) and now considering 123/188 (removed 65) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 123 rows 36 cols
[2024-05-22 20:23:09] [INFO ] Computed 3 invariants in 1 ms
[2024-05-22 20:23:09] [INFO ] [Real]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-22 20:23:09] [INFO ] After 45ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-22 20:23:09] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 20:23:09] [INFO ] After 25ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-22 20:23:09] [INFO ] After 30ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-22 20:23:09] [INFO ] After 81ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2024-05-22 20:23:09] [INFO ] Flatten gal took : 10 ms
[2024-05-22 20:23:09] [INFO ] Flatten gal took : 6 ms
[2024-05-22 20:23:09] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2000843890472353936.gal : 1 ms
[2024-05-22 20:23:09] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17279670138570310266.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality2000843890472353936.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17279670138570310266.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality17279670138570310266.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 175
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :175 after 3047
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :3047 after 172196
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :172196 after 1.2704e+06
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :1.2704e+06 after 6.33955e+06
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :6.33955e+06 after 2.81134e+07
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :2.81134e+07 after 1.17572e+08
Detected timeout of ITS tools.
[2024-05-22 20:23:24] [INFO ] Flatten gal took : 8 ms
[2024-05-22 20:23:24] [INFO ] Applying decomposition
[2024-05-22 20:23:24] [INFO ] Flatten gal took : 5 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph18032020243597885476.txt' '-o' '/tmp/graph18032020243597885476.bin' '-w' '/tmp/graph18032020243597885476.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph18032020243597885476.bin' '-l' '-1' '-v' '-w' '/tmp/graph18032020243597885476.weights' '-q' '0' '-e' '0.001'
[2024-05-22 20:23:24] [INFO ] Decomposing Gal with order
[2024-05-22 20:23:24] [INFO ] Rewriting arrays to variables to allow decomposition.
[2024-05-22 20:23:24] [INFO ] Removed a total of 249 redundant transitions.
[2024-05-22 20:23:24] [INFO ] Flatten gal took : 17 ms
[2024-05-22 20:23:24] [INFO ] Fuse similar labels procedure discarded/fused a total of 14 labels/synchronizations in 9 ms.
[2024-05-22 20:23:24] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12911387848972157231.gal : 1 ms
[2024-05-22 20:23:24] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16361314081624846609.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality12911387848972157231.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16361314081624846609.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...309
Loading property file /tmp/ReachabilityCardinality16361314081624846609.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 63
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30329 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2024-05-22 20:23:39] [INFO ] Flatten gal took : 9 ms
[2024-05-22 20:23:39] [INFO ] Applying decomposition
[2024-05-22 20:23:39] [INFO ] Flatten gal took : 7 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph4705127201651576483.txt' '-o' '/tmp/graph4705127201651576483.bin' '-w' '/tmp/graph4705127201651576483.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph4705127201651576483.bin' '-l' '-1' '-v' '-w' '/tmp/graph4705127201651576483.weights' '-q' '0' '-e' '0.001'
[2024-05-22 20:23:39] [INFO ] Decomposing Gal with order
[2024-05-22 20:23:39] [INFO ] Rewriting arrays to variables to allow decomposition.
[2024-05-22 20:23:39] [INFO ] Removed a total of 394 redundant transitions.
[2024-05-22 20:23:39] [INFO ] Flatten gal took : 10 ms
[2024-05-22 20:23:39] [INFO ] Fuse similar labels procedure discarded/fused a total of 16 labels/synchronizations in 3 ms.
[2024-05-22 20:23:39] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14038783036202796187.gal : 1 ms
[2024-05-22 20:23:39] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9668301060308650378.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality14038783036202796187.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9668301060308650378.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality9668301060308650378.prop.
Detected timeout of ITS tools.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[13] Max Struct:[+inf]
Ending property specific reduction for DoubleLock-PT-p2s1-UpperBounds-13 in 112156 ms.
[2024-05-22 20:24:29] [INFO ] Flatten gal took : 7 ms
[2024-05-22 20:24:29] [INFO ] Applying decomposition
[2024-05-22 20:24:29] [INFO ] Flatten gal took : 5 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph14623536050308786978.txt' '-o' '/tmp/graph14623536050308786978.bin' '-w' '/tmp/graph14623536050308786978.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph14623536050308786978.bin' '-l' '-1' '-v' '-w' '/tmp/graph14623536050308786978.weights' '-q' '0' '-e' '0.001'
[2024-05-22 20:24:29] [INFO ] Decomposing Gal with order
[2024-05-22 20:24:29] [INFO ] Rewriting arrays to variables to allow decomposition.
[2024-05-22 20:24:29] [INFO ] Removed a total of 394 redundant transitions.
[2024-05-22 20:24:29] [INFO ] Flatten gal took : 11 ms
[2024-05-22 20:24:29] [INFO ] Fuse similar labels procedure discarded/fused a total of 16 labels/synchronizations in 3 ms.
[2024-05-22 20:24:29] [INFO ] Time to serialize gal into /tmp/UpperBounds12799387502176225092.gal : 1 ms
[2024-05-22 20:24:29] [INFO ] Time to serialize properties into /tmp/UpperBounds14441134002766506611.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/UpperBounds12799387502176225092.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds14441134002766506611.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...285
Loading property file /tmp/UpperBounds14441134002766506611.prop.
ITS-tools command line returned an error code 137
[2024-05-22 20:41:35] [INFO ] Flatten gal took : 7 ms
[2024-05-22 20:41:35] [INFO ] Time to serialize gal into /tmp/UpperBounds16503364860493609252.gal : 4 ms
[2024-05-22 20:41:35] [INFO ] Time to serialize properties into /tmp/UpperBounds12697719207587276990.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/UpperBounds16503364860493609252.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds12697719207587276990.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...306
Loading property file /tmp/UpperBounds12697719207587276990.prop.
ITS-tools command line returned an error code 137
[2024-05-22 20:57:07] [INFO ] Flatten gal took : 9 ms
[2024-05-22 20:57:07] [INFO ] Input system was already deterministic with 188 transitions.
[2024-05-22 20:57:07] [INFO ] Transformed 49 places.
[2024-05-22 20:57:07] [INFO ] Transformed 188 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
[2024-05-22 20:57:08] [INFO ] Time to serialize gal into /tmp/UpperBounds9282332691294763625.gal : 2 ms
[2024-05-22 20:57:08] [INFO ] Time to serialize properties into /tmp/UpperBounds248368592929289438.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/UpperBounds9282332691294763625.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds248368592929289438.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_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...348
Successfully loaded order from file /home/mcc/execution/model.ord
Loading property file /tmp/UpperBounds248368592929289438.prop.

BK_TIME_CONFINEMENT_REACHED

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

Sequence of Actions to be Executed by the VM

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

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

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5568"
echo " Executing tool itstools"
echo " Input is DoubleLock-PT-p2s1, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r136-tall-171631133000613"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

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

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "UpperBounds.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property UpperBounds.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -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 ;