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-171631133100629.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-p3s1, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r136-tall-171631133100629
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 568K
-rw-r--r-- 1 mcc users 7.3K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 85K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.1K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.3K Apr 22 14:42 LTLCardinality.txt
-rw-r--r-- 1 mcc users 22K Apr 22 14:42 LTLCardinality.xml
-rw-r--r-- 1 mcc users 1.9K May 19 07:17 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K May 19 18:16 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K Apr 12 13:18 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 172K Apr 12 13:18 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Apr 12 13:17 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 105K Apr 12 13:17 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 39K 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-p3s1-UpperBounds-00
FORMULA_NAME DoubleLock-PT-p3s1-UpperBounds-01
FORMULA_NAME DoubleLock-PT-p3s1-UpperBounds-02
FORMULA_NAME DoubleLock-PT-p3s1-UpperBounds-03
FORMULA_NAME DoubleLock-PT-p3s1-UpperBounds-04
FORMULA_NAME DoubleLock-PT-p3s1-UpperBounds-05
FORMULA_NAME DoubleLock-PT-p3s1-UpperBounds-06
FORMULA_NAME DoubleLock-PT-p3s1-UpperBounds-07
FORMULA_NAME DoubleLock-PT-p3s1-UpperBounds-08
FORMULA_NAME DoubleLock-PT-p3s1-UpperBounds-09
FORMULA_NAME DoubleLock-PT-p3s1-UpperBounds-10
FORMULA_NAME DoubleLock-PT-p3s1-UpperBounds-11
FORMULA_NAME DoubleLock-PT-p3s1-UpperBounds-12
FORMULA_NAME DoubleLock-PT-p3s1-UpperBounds-13
FORMULA_NAME DoubleLock-PT-p3s1-UpperBounds-14
FORMULA_NAME DoubleLock-PT-p3s1-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1716415917194

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-p3s1
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202405141337
[2024-05-22 22:11:58] [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 22:11:58] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-22 22:11:58] [INFO ] Load time of PNML (sax parser for PT used): 57 ms
[2024-05-22 22:11:58] [INFO ] Transformed 46 places.
[2024-05-22 22:11:58] [INFO ] Transformed 80 transitions.
[2024-05-22 22:11:58] [INFO ] Parsed PT model containing 46 places and 80 transitions and 324 arcs in 154 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 13
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 6 places and 4 transitions.
FORMULA DoubleLock-PT-p3s1-UpperBounds-01 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DoubleLock-PT-p3s1-UpperBounds-03 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-22 22:11:58] [INFO ] Flow matrix only has 61 transitions (discarded 15 similar events)
// Phase 1: matrix 61 rows 40 cols
[2024-05-22 22:11:58] [INFO ] Computed 4 invariants in 7 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, 1, 1, +inf, +inf, 1, +inf, +inf, 1, 10, 1]
RANDOM walk for 10003 steps (68 resets) in 40 ms. (243 steps per ms)
FORMULA DoubleLock-PT-p3s1-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p3s1-UpperBounds-14 10 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p3s1-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p3s1-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p3s1-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p3s1-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 50005 steps (64 resets) in 55 ms. (892 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[12, 5, 6, 14, 9] Max Struct:[+inf, +inf, +inf, +inf, +inf]
[2024-05-22 22:11:58] [INFO ] Flow matrix only has 61 transitions (discarded 15 similar events)
[2024-05-22 22:11:58] [INFO ] Invariant cache hit.
[2024-05-22 22:11:58] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-22 22:11:58] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 9 ms returned sat
[2024-05-22 22:11:58] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-22 22:11:58] [INFO ] State equation strengthened by 12 read => feed constraints.
[2024-05-22 22:11:58] [INFO ] [Real]Added 12 Read/Feed constraints in 10 ms returned sat
[2024-05-22 22:11:58] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 22:11:58] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 22:11:58] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-22 22:11:58] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2024-05-22 22:11:58] [INFO ] [Nat]Added 12 Read/Feed constraints in 3 ms returned sat
[2024-05-22 22:11:59] [INFO ] Deduced a trap composed of 7 places in 57 ms of which 12 ms to minimize.
[2024-05-22 22:11:59] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 73 ms
[2024-05-22 22:11:59] [INFO ] Computed and/alt/rep : 30/128/30 causal constraints (skipped 29 transitions) in 7 ms.
[2024-05-22 22:11:59] [INFO ] Added : 12 causal constraints over 3 iterations in 40 ms. Result :sat
Minimization took 14 ms.
[2024-05-22 22:11:59] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 22:11:59] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-22 22:11:59] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2024-05-22 22:11:59] [INFO ] [Real]Added 12 Read/Feed constraints in 2 ms returned sat
[2024-05-22 22:11:59] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 22:11:59] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 22:11:59] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-22 22:11:59] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2024-05-22 22:11:59] [INFO ] [Nat]Added 12 Read/Feed constraints in 2 ms returned sat
[2024-05-22 22:11:59] [INFO ] Deduced a trap composed of 7 places in 29 ms of which 2 ms to minimize.
[2024-05-22 22:11:59] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 36 ms
[2024-05-22 22:11:59] [INFO ] Computed and/alt/rep : 30/128/30 causal constraints (skipped 29 transitions) in 8 ms.
[2024-05-22 22:11:59] [INFO ] Added : 17 causal constraints over 4 iterations in 40 ms. Result :sat
Minimization took 15 ms.
[2024-05-22 22:11:59] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 22:11:59] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-22 22:11:59] [INFO ] [Real]Absence check using state equation in 14 ms returned sat
[2024-05-22 22:11:59] [INFO ] [Real]Added 12 Read/Feed constraints in 3 ms returned sat
[2024-05-22 22:11:59] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 22:11:59] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 22:11:59] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-22 22:11:59] [INFO ] [Nat]Absence check using state equation in 14 ms returned sat
[2024-05-22 22:11:59] [INFO ] [Nat]Added 12 Read/Feed constraints in 1 ms returned sat
[2024-05-22 22:11:59] [INFO ] Deduced a trap composed of 7 places in 28 ms of which 0 ms to minimize.
[2024-05-22 22:11:59] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 34 ms
[2024-05-22 22:11:59] [INFO ] Computed and/alt/rep : 30/128/30 causal constraints (skipped 29 transitions) in 5 ms.
[2024-05-22 22:11:59] [INFO ] Added : 16 causal constraints over 4 iterations in 30 ms. Result :sat
Minimization took 17 ms.
[2024-05-22 22:11:59] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 22:11:59] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-22 22:11:59] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2024-05-22 22:11:59] [INFO ] [Real]Added 12 Read/Feed constraints in 2 ms returned sat
[2024-05-22 22:11:59] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 22:11:59] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-22 22:11:59] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-22 22:11:59] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2024-05-22 22:11:59] [INFO ] [Nat]Added 12 Read/Feed constraints in 1 ms returned sat
[2024-05-22 22:11:59] [INFO ] Deduced a trap composed of 7 places in 27 ms of which 1 ms to minimize.
[2024-05-22 22:11:59] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 32 ms
[2024-05-22 22:11:59] [INFO ] Computed and/alt/rep : 30/128/30 causal constraints (skipped 29 transitions) in 4 ms.
[2024-05-22 22:11:59] [INFO ] Deduced a trap composed of 7 places in 26 ms of which 0 ms to minimize.
[2024-05-22 22:11:59] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 34 ms
[2024-05-22 22:11:59] [INFO ] Added : 11 causal constraints over 3 iterations in 65 ms. Result :sat
Minimization took 14 ms.
[2024-05-22 22:11:59] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 22:11:59] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-22 22:11:59] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2024-05-22 22:11:59] [INFO ] [Real]Added 12 Read/Feed constraints in 1 ms returned sat
[2024-05-22 22:11:59] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 22:11:59] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 22:11:59] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-22 22:11:59] [INFO ] [Nat]Absence check using state equation in 13 ms returned sat
[2024-05-22 22:11:59] [INFO ] [Nat]Added 12 Read/Feed constraints in 2 ms returned sat
[2024-05-22 22:11:59] [INFO ] Deduced a trap composed of 7 places in 25 ms of which 0 ms to minimize.
[2024-05-22 22:11:59] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 31 ms
[2024-05-22 22:11:59] [INFO ] Computed and/alt/rep : 30/128/30 causal constraints (skipped 29 transitions) in 5 ms.
[2024-05-22 22:11:59] [INFO ] Added : 13 causal constraints over 3 iterations in 23 ms. Result :sat
Minimization took 13 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[12, 5, 6, 14, 9] Max Struct:[+inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[12, 5, 6, 14, 9] Max Struct:[+inf, +inf, +inf, +inf, +inf]
Support contains 5 out of 40 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 40/40 places, 76/76 transitions.
Graph (complete) has 153 edges and 40 vertex of which 37 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 20 ms. Remains 37 /40 variables (removed 3) and now considering 76/76 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 29 ms. Remains : 37/40 places, 76/76 transitions.
[2024-05-22 22:12:00] [INFO ] Flow matrix only has 61 transitions (discarded 15 similar events)
Found an invariant !
This invariant on transitions {8=1, 21=1, 38=1, 60=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {8=1, 21=1, 38=1, 59=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 94 resets, run finished after 38 ms. (steps per millisecond=263 ) properties (out of 5) seen :[8, 3, 4, 6, 4]
Current structural bounds on expressions (after cover walk) : Max Seen:[12, 5, 6, 14, 9] Max Struct:[+inf, +inf, +inf, +inf, +inf]
[2024-05-22 22:12:00] [INFO ] Flow matrix only has 61 transitions (discarded 15 similar events)
// Phase 1: matrix 61 rows 37 cols
[2024-05-22 22:12:00] [INFO ] Computed 2 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[12, 5, 6, 14, 9] Max Struct:[+inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (6550 resets) in 996 ms. (1003 steps per ms)
BEST_FIRST walk for 5000002 steps (5665 resets) in 1820 ms. (2745 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[14, 17, 24, 34, 22] Max Struct:[+inf, +inf, +inf, +inf, +inf]
[2024-05-22 22:12:02] [INFO ] Flow matrix only has 61 transitions (discarded 15 similar events)
[2024-05-22 22:12:02] [INFO ] Invariant cache hit.
[2024-05-22 22:12:03] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-22 22:12:03] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-22 22:12:03] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2024-05-22 22:12:03] [INFO ] State equation strengthened by 12 read => feed constraints.
[2024-05-22 22:12:03] [INFO ] [Real]Added 12 Read/Feed constraints in 1 ms returned sat
[2024-05-22 22:12:03] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 22:12:03] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-22 22:12:03] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-22 22:12:03] [INFO ] [Nat]Absence check using state equation in 14 ms returned sat
[2024-05-22 22:12:03] [INFO ] [Nat]Added 12 Read/Feed constraints in 1 ms returned sat
[2024-05-22 22:12:03] [INFO ] Computed and/alt/rep : 30/128/30 causal constraints (skipped 29 transitions) in 5 ms.
[2024-05-22 22:12:03] [INFO ] Added : 12 causal constraints over 3 iterations in 22 ms. Result :sat
Minimization took 21 ms.
[2024-05-22 22:12:03] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-22 22:12:03] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-22 22:12:03] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2024-05-22 22:12:03] [INFO ] [Real]Added 12 Read/Feed constraints in 2 ms returned sat
[2024-05-22 22:12:03] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 22:12:03] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-22 22:12:03] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-22 22:12:03] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2024-05-22 22:12:03] [INFO ] [Nat]Added 12 Read/Feed constraints in 1 ms returned sat
[2024-05-22 22:12:03] [INFO ] Computed and/alt/rep : 30/128/30 causal constraints (skipped 29 transitions) in 5 ms.
[2024-05-22 22:12:03] [INFO ] Added : 9 causal constraints over 2 iterations in 18 ms. Result :sat
Minimization took 11 ms.
[2024-05-22 22:12:03] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-22 22:12:03] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-22 22:12:03] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2024-05-22 22:12:03] [INFO ] [Real]Added 12 Read/Feed constraints in 1 ms returned sat
[2024-05-22 22:12:03] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 22:12:03] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-22 22:12:03] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-22 22:12:03] [INFO ] [Nat]Absence check using state equation in 16 ms returned sat
[2024-05-22 22:12:03] [INFO ] [Nat]Added 12 Read/Feed constraints in 1 ms returned sat
[2024-05-22 22:12:03] [INFO ] Computed and/alt/rep : 30/128/30 causal constraints (skipped 29 transitions) in 5 ms.
[2024-05-22 22:12:03] [INFO ] Added : 20 causal constraints over 4 iterations in 30 ms. Result :sat
Minimization took 15 ms.
[2024-05-22 22:12:03] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-22 22:12:03] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-22 22:12:03] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2024-05-22 22:12:03] [INFO ] [Real]Added 12 Read/Feed constraints in 1 ms returned sat
[2024-05-22 22:12:03] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 22:12:03] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-22 22:12:03] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-22 22:12:03] [INFO ] [Nat]Absence check using state equation in 15 ms returned sat
[2024-05-22 22:12:03] [INFO ] [Nat]Added 12 Read/Feed constraints in 2 ms returned sat
[2024-05-22 22:12:03] [INFO ] Computed and/alt/rep : 30/128/30 causal constraints (skipped 29 transitions) in 6 ms.
[2024-05-22 22:12:03] [INFO ] Added : 13 causal constraints over 4 iterations in 31 ms. Result :sat
Minimization took 12 ms.
[2024-05-22 22:12:03] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-22 22:12:03] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-22 22:12:03] [INFO ] [Real]Absence check using state equation in 18 ms returned sat
[2024-05-22 22:12:03] [INFO ] [Real]Added 12 Read/Feed constraints in 1 ms returned sat
[2024-05-22 22:12:03] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 22:12:03] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-22 22:12:03] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-22 22:12:03] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2024-05-22 22:12:03] [INFO ] [Nat]Added 12 Read/Feed constraints in 1 ms returned sat
[2024-05-22 22:12:03] [INFO ] Computed and/alt/rep : 30/128/30 causal constraints (skipped 29 transitions) in 4 ms.
[2024-05-22 22:12:03] [INFO ] Added : 12 causal constraints over 4 iterations in 23 ms. Result :sat
Minimization took 11 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[14, 17, 24, 34, 22] Max Struct:[+inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[14, 17, 24, 34, 22] Max Struct:[+inf, +inf, +inf, +inf, +inf]
Support contains 5 out of 37 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 37/37 places, 76/76 transitions.
Applied a total of 0 rules in 3 ms. Remains 37 /37 variables (removed 0) and now considering 76/76 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 37/37 places, 76/76 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 37/37 places, 76/76 transitions.
Applied a total of 0 rules in 3 ms. Remains 37 /37 variables (removed 0) and now considering 76/76 (removed 0) transitions.
[2024-05-22 22:12:03] [INFO ] Flow matrix only has 61 transitions (discarded 15 similar events)
[2024-05-22 22:12:03] [INFO ] Invariant cache hit.
[2024-05-22 22:12:03] [INFO ] Implicit Places using invariants in 43 ms returned []
[2024-05-22 22:12:03] [INFO ] Flow matrix only has 61 transitions (discarded 15 similar events)
[2024-05-22 22:12:03] [INFO ] Invariant cache hit.
[2024-05-22 22:12:03] [INFO ] State equation strengthened by 12 read => feed constraints.
[2024-05-22 22:12:03] [INFO ] Implicit Places using invariants and state equation in 55 ms returned []
Implicit Place search using SMT with State Equation took 102 ms to find 0 implicit places.
[2024-05-22 22:12:03] [INFO ] Redundant transitions in 1 ms returned []
Running 74 sub problems to find dead transitions.
[2024-05-22 22:12:03] [INFO ] Flow matrix only has 61 transitions (discarded 15 similar events)
[2024-05-22 22:12:03] [INFO ] Invariant cache hit.
[2024-05-22 22:12:03] [INFO ] State equation strengthened by 12 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/37 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/37 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/37 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 3 (OVERLAPS) 61/98 variables, 37/39 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/98 variables, 12/51 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/98 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 6 (OVERLAPS) 0/98 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 74 unsolved
No progress, stopping.
After SMT solving in domain Real declared 98/98 variables, and 51 constraints, problems are : Problem set: 0 solved, 74 unsolved in 846 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 37/37 constraints, ReadFeed: 12/12 constraints, PredecessorRefiner: 74/74 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 74 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/37 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/37 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/37 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 3 (OVERLAPS) 61/98 variables, 37/39 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/98 variables, 12/51 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/98 variables, 74/125 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/98 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 7 (OVERLAPS) 0/98 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 74 unsolved
No progress, stopping.
After SMT solving in domain Int declared 98/98 variables, and 125 constraints, problems are : Problem set: 0 solved, 74 unsolved in 1124 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 37/37 constraints, ReadFeed: 12/12 constraints, PredecessorRefiner: 74/74 constraints, Known Traps: 0/0 constraints]
After SMT, in 2036ms problems are : Problem set: 0 solved, 74 unsolved
Search for dead transitions found 0 dead transitions in 2042ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2160 ms. Remains : 37/37 places, 76/76 transitions.
[2024-05-22 22:12:05] [INFO ] Flow matrix only has 61 transitions (discarded 15 similar events)
Found an invariant !
This invariant on transitions {8=1, 21=1, 38=1, 60=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {8=1, 21=1, 38=1, 59=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 93 resets, run finished after 64 ms. (steps per millisecond=156 ) properties (out of 5) seen :[8, 4, 3, 2147483647, 2147483647]
Current structural bounds on expressions (after cover walk) : Max Seen:[14, 17, 24, +inf, +inf] Max Struct:[+inf, +inf, +inf, +inf, +inf]
[2024-05-22 22:12:06] [INFO ] Flow matrix only has 61 transitions (discarded 15 similar events)
[2024-05-22 22:12:06] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[14, 17, 24, +inf, +inf] Max Struct:[+inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (6479 resets) in 913 ms. (1094 steps per ms)
FORMULA DoubleLock-PT-p3s1-UpperBounds-10 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DoubleLock-PT-p3s1-UpperBounds-09 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 3000003 steps (2717 resets) in 1067 ms. (2808 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[14, 21, 24] Max Struct:[+inf, +inf, +inf]
[2024-05-22 22:12:08] [INFO ] Flow matrix only has 61 transitions (discarded 15 similar events)
[2024-05-22 22:12:08] [INFO ] Invariant cache hit.
[2024-05-22 22:12:08] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-22 22:12:08] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-22 22:12:08] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2024-05-22 22:12:08] [INFO ] State equation strengthened by 12 read => feed constraints.
[2024-05-22 22:12:08] [INFO ] [Real]Added 12 Read/Feed constraints in 1 ms returned sat
[2024-05-22 22:12:08] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 22:12:08] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-22 22:12:08] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-22 22:12:08] [INFO ] [Nat]Absence check using state equation in 14 ms returned sat
[2024-05-22 22:12:08] [INFO ] [Nat]Added 12 Read/Feed constraints in 1 ms returned sat
[2024-05-22 22:12:08] [INFO ] Computed and/alt/rep : 30/128/30 causal constraints (skipped 29 transitions) in 6 ms.
[2024-05-22 22:12:08] [INFO ] Added : 12 causal constraints over 3 iterations in 25 ms. Result :sat
Minimization took 11 ms.
[2024-05-22 22:12:08] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-22 22:12:08] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2024-05-22 22:12:08] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2024-05-22 22:12:08] [INFO ] [Real]Added 12 Read/Feed constraints in 2 ms returned sat
[2024-05-22 22:12:08] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 22:12:08] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-22 22:12:08] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-22 22:12:08] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2024-05-22 22:12:08] [INFO ] [Nat]Added 12 Read/Feed constraints in 1 ms returned sat
[2024-05-22 22:12:08] [INFO ] Computed and/alt/rep : 30/128/30 causal constraints (skipped 29 transitions) in 5 ms.
[2024-05-22 22:12:08] [INFO ] Added : 9 causal constraints over 2 iterations in 17 ms. Result :sat
Minimization took 11 ms.
[2024-05-22 22:12:08] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-22 22:12:08] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-22 22:12:08] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2024-05-22 22:12:08] [INFO ] [Real]Added 12 Read/Feed constraints in 2 ms returned sat
[2024-05-22 22:12:08] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 22:12:08] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-22 22:12:08] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-22 22:12:08] [INFO ] [Nat]Absence check using state equation in 13 ms returned sat
[2024-05-22 22:12:08] [INFO ] [Nat]Added 12 Read/Feed constraints in 2 ms returned sat
[2024-05-22 22:12:08] [INFO ] Computed and/alt/rep : 30/128/30 causal constraints (skipped 29 transitions) in 4 ms.
[2024-05-22 22:12:08] [INFO ] Added : 20 causal constraints over 4 iterations in 28 ms. Result :sat
Minimization took 14 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[14, 21, 24] Max Struct:[+inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[15, 21, 24] Max Struct:[+inf, +inf, +inf]
Support contains 3 out of 37 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 37/37 places, 76/76 transitions.
Applied a total of 0 rules in 4 ms. Remains 37 /37 variables (removed 0) and now considering 76/76 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 37/37 places, 76/76 transitions.
[2024-05-22 22:12:08] [INFO ] Flow matrix only has 61 transitions (discarded 15 similar events)
Found an invariant !
This invariant on transitions {8=1, 21=1, 38=1, 60=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {8=1, 21=1, 38=1, 59=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 92 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 3) seen :[7, 4, 4]
Current structural bounds on expressions (after cover walk) : Max Seen:[15, 21, 24] Max Struct:[+inf, +inf, +inf]
[2024-05-22 22:12:08] [INFO ] Flow matrix only has 61 transitions (discarded 15 similar events)
[2024-05-22 22:12:08] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[15, 21, 24] Max Struct:[+inf, +inf, +inf]
RANDOM walk for 1000000 steps (6502 resets) in 872 ms. (1145 steps per ms)
BEST_FIRST walk for 3000003 steps (2739 resets) in 1060 ms. (2827 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[15, 21, 24] Max Struct:[+inf, +inf, +inf]
[2024-05-22 22:12:10] [INFO ] Flow matrix only has 61 transitions (discarded 15 similar events)
[2024-05-22 22:12:10] [INFO ] Invariant cache hit.
[2024-05-22 22:12:10] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-22 22:12:10] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-22 22:12:10] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2024-05-22 22:12:10] [INFO ] State equation strengthened by 12 read => feed constraints.
[2024-05-22 22:12:10] [INFO ] [Real]Added 12 Read/Feed constraints in 4 ms returned sat
[2024-05-22 22:12:10] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 22:12:10] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-22 22:12:10] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-22 22:12:10] [INFO ] [Nat]Absence check using state equation in 15 ms returned sat
[2024-05-22 22:12:10] [INFO ] [Nat]Added 12 Read/Feed constraints in 2 ms returned sat
[2024-05-22 22:12:10] [INFO ] Computed and/alt/rep : 30/128/30 causal constraints (skipped 29 transitions) in 4 ms.
[2024-05-22 22:12:10] [INFO ] Added : 12 causal constraints over 3 iterations in 23 ms. Result :sat
Minimization took 11 ms.
[2024-05-22 22:12:10] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-22 22:12:10] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-22 22:12:10] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2024-05-22 22:12:10] [INFO ] [Real]Added 12 Read/Feed constraints in 2 ms returned sat
[2024-05-22 22:12:10] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 22:12:10] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-22 22:12:10] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-22 22:12:10] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2024-05-22 22:12:10] [INFO ] [Nat]Added 12 Read/Feed constraints in 1 ms returned sat
[2024-05-22 22:12:10] [INFO ] Computed and/alt/rep : 30/128/30 causal constraints (skipped 29 transitions) in 7 ms.
[2024-05-22 22:12:10] [INFO ] Added : 9 causal constraints over 2 iterations in 32 ms. Result :sat
Minimization took 19 ms.
[2024-05-22 22:12:10] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-22 22:12:10] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-22 22:12:10] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2024-05-22 22:12:10] [INFO ] [Real]Added 12 Read/Feed constraints in 1 ms returned sat
[2024-05-22 22:12:10] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 22:12:10] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-22 22:12:10] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2024-05-22 22:12:10] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2024-05-22 22:12:10] [INFO ] [Nat]Added 12 Read/Feed constraints in 2 ms returned sat
[2024-05-22 22:12:10] [INFO ] Computed and/alt/rep : 30/128/30 causal constraints (skipped 29 transitions) in 4 ms.
[2024-05-22 22:12:10] [INFO ] Added : 20 causal constraints over 4 iterations in 27 ms. Result :sat
Minimization took 15 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[15, 21, 24] Max Struct:[+inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[15, 21, 24] Max Struct:[+inf, +inf, +inf]
Support contains 3 out of 37 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 37/37 places, 76/76 transitions.
Applied a total of 0 rules in 3 ms. Remains 37 /37 variables (removed 0) and now considering 76/76 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 37/37 places, 76/76 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 37/37 places, 76/76 transitions.
Applied a total of 0 rules in 2 ms. Remains 37 /37 variables (removed 0) and now considering 76/76 (removed 0) transitions.
[2024-05-22 22:12:10] [INFO ] Flow matrix only has 61 transitions (discarded 15 similar events)
[2024-05-22 22:12:10] [INFO ] Invariant cache hit.
[2024-05-22 22:12:10] [INFO ] Implicit Places using invariants in 33 ms returned []
[2024-05-22 22:12:10] [INFO ] Flow matrix only has 61 transitions (discarded 15 similar events)
[2024-05-22 22:12:10] [INFO ] Invariant cache hit.
[2024-05-22 22:12:11] [INFO ] State equation strengthened by 12 read => feed constraints.
[2024-05-22 22:12:11] [INFO ] Implicit Places using invariants and state equation in 47 ms returned []
Implicit Place search using SMT with State Equation took 82 ms to find 0 implicit places.
[2024-05-22 22:12:11] [INFO ] Redundant transitions in 1 ms returned []
Running 74 sub problems to find dead transitions.
[2024-05-22 22:12:11] [INFO ] Flow matrix only has 61 transitions (discarded 15 similar events)
[2024-05-22 22:12:11] [INFO ] Invariant cache hit.
[2024-05-22 22:12:11] [INFO ] State equation strengthened by 12 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/37 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/37 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/37 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 3 (OVERLAPS) 61/98 variables, 37/39 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/98 variables, 12/51 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/98 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 6 (OVERLAPS) 0/98 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 74 unsolved
No progress, stopping.
After SMT solving in domain Real declared 98/98 variables, and 51 constraints, problems are : Problem set: 0 solved, 74 unsolved in 738 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 37/37 constraints, ReadFeed: 12/12 constraints, PredecessorRefiner: 74/74 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 74 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/37 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/37 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/37 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 3 (OVERLAPS) 61/98 variables, 37/39 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/98 variables, 12/51 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/98 variables, 74/125 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/98 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 7 (OVERLAPS) 0/98 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 74 unsolved
No progress, stopping.
After SMT solving in domain Int declared 98/98 variables, and 125 constraints, problems are : Problem set: 0 solved, 74 unsolved in 1171 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 37/37 constraints, ReadFeed: 12/12 constraints, PredecessorRefiner: 74/74 constraints, Known Traps: 0/0 constraints]
After SMT, in 1947ms problems are : Problem set: 0 solved, 74 unsolved
Search for dead transitions found 0 dead transitions in 1948ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2042 ms. Remains : 37/37 places, 76/76 transitions.
[2024-05-22 22:12:12] [INFO ] Flow matrix only has 61 transitions (discarded 15 similar events)
Found an invariant !
This invariant on transitions {8=1, 21=1, 38=1, 60=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {8=1, 21=1, 38=1, 59=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 93 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 3) seen :[2147483647, 2, 3]
Current structural bounds on expressions (after cover walk) : Max Seen:[+inf, 21, 24] Max Struct:[+inf, +inf, +inf]
[2024-05-22 22:12:13] [INFO ] Flow matrix only has 61 transitions (discarded 15 similar events)
[2024-05-22 22:12:13] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[+inf, 21, 24] Max Struct:[+inf, +inf, +inf]
RANDOM walk for 1000000 steps (6511 resets) in 884 ms. (1129 steps per ms)
FORMULA DoubleLock-PT-p3s1-UpperBounds-08 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DoubleLock-PT-p3s1-UpperBounds-00 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 2000002 steps (2657 resets) in 686 ms. (2911 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[21, 24] Max Struct:[+inf, +inf]
[2024-05-22 22:12:14] [INFO ] Flow matrix only has 61 transitions (discarded 15 similar events)
[2024-05-22 22:12:14] [INFO ] Invariant cache hit.
[2024-05-22 22:12:14] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-22 22:12:14] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-22 22:12:14] [INFO ] [Real]Absence check using state equation in 17 ms returned sat
[2024-05-22 22:12:14] [INFO ] State equation strengthened by 12 read => feed constraints.
[2024-05-22 22:12:14] [INFO ] [Real]Added 12 Read/Feed constraints in 2 ms returned sat
[2024-05-22 22:12:14] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 22:12:14] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-22 22:12:14] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-22 22:12:14] [INFO ] [Nat]Absence check using state equation in 13 ms returned sat
[2024-05-22 22:12:14] [INFO ] [Nat]Added 12 Read/Feed constraints in 1 ms returned sat
[2024-05-22 22:12:14] [INFO ] Computed and/alt/rep : 30/128/30 causal constraints (skipped 29 transitions) in 7 ms.
[2024-05-22 22:12:14] [INFO ] Added : 9 causal constraints over 2 iterations in 21 ms. Result :sat
Minimization took 11 ms.
[2024-05-22 22:12:14] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-22 22:12:14] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-22 22:12:14] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2024-05-22 22:12:14] [INFO ] [Real]Added 12 Read/Feed constraints in 2 ms returned sat
[2024-05-22 22:12:14] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 22:12:14] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-22 22:12:14] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-22 22:12:14] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2024-05-22 22:12:14] [INFO ] [Nat]Added 12 Read/Feed constraints in 2 ms returned sat
[2024-05-22 22:12:14] [INFO ] Computed and/alt/rep : 30/128/30 causal constraints (skipped 29 transitions) in 4 ms.
[2024-05-22 22:12:14] [INFO ] Added : 20 causal constraints over 4 iterations in 27 ms. Result :sat
Minimization took 14 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[21, 24] Max Struct:[+inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[21, 24] Max Struct:[+inf, +inf]
Support contains 2 out of 37 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 37/37 places, 76/76 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 37 transition count 75
Applied a total of 1 rules in 6 ms. Remains 37 /37 variables (removed 0) and now considering 75/76 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 37/37 places, 75/76 transitions.
[2024-05-22 22:12:14] [INFO ] Flow matrix only has 60 transitions (discarded 15 similar events)
Found an invariant !
This invariant on transitions {7=1, 20=1, 37=1, 58=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {7=1, 20=1, 37=1, 58=1}
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 2) seen :[5, 6]
Current structural bounds on expressions (after cover walk) : Max Seen:[21, 24] Max Struct:[+inf, +inf]
[2024-05-22 22:12:14] [INFO ] Flow matrix only has 60 transitions (discarded 15 similar events)
// Phase 1: matrix 60 rows 37 cols
[2024-05-22 22:12:14] [INFO ] Computed 3 invariants in 7 ms
Current structural bounds on expressions (after invariants) : Max Seen:[21, 24] Max Struct:[+inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1132 ms. (882 steps per ms)
BEST_FIRST walk for 2000002 steps (4 resets) in 759 ms. (2631 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2321, 2119] Max Struct:[+inf, +inf]
[2024-05-22 22:12:16] [INFO ] Flow matrix only has 60 transitions (discarded 15 similar events)
[2024-05-22 22:12:16] [INFO ] Invariant cache hit.
[2024-05-22 22:12:16] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 22:12:16] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2024-05-22 22:12:16] [INFO ] State equation strengthened by 12 read => feed constraints.
[2024-05-22 22:12:16] [INFO ] [Real]Added 12 Read/Feed constraints in 2 ms returned sat
[2024-05-22 22:12:16] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 22:12:16] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 22:12:16] [INFO ] [Nat]Absence check using state equation in 14 ms returned sat
[2024-05-22 22:12:16] [INFO ] [Nat]Added 12 Read/Feed constraints in 1 ms returned sat
[2024-05-22 22:12:16] [INFO ] Computed and/alt/rep : 29/126/29 causal constraints (skipped 29 transitions) in 4 ms.
[2024-05-22 22:12:16] [INFO ] Added : 12 causal constraints over 3 iterations in 21 ms. Result :sat
Minimization took 20 ms.
[2024-05-22 22:12:17] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 22:12:17] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2024-05-22 22:12:17] [INFO ] [Real]Added 12 Read/Feed constraints in 1 ms returned sat
[2024-05-22 22:12:17] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 22:12:17] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 22:12:17] [INFO ] [Nat]Absence check using state equation in 15 ms returned sat
[2024-05-22 22:12:17] [INFO ] [Nat]Added 12 Read/Feed constraints in 2 ms returned sat
[2024-05-22 22:12:17] [INFO ] Deduced a trap composed of 6 places in 32 ms of which 1 ms to minimize.
[2024-05-22 22:12:17] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 38 ms
[2024-05-22 22:12:17] [INFO ] Computed and/alt/rep : 29/126/29 causal constraints (skipped 29 transitions) in 4 ms.
[2024-05-22 22:12:17] [INFO ] Added : 17 causal constraints over 4 iterations in 25 ms. Result :sat
Minimization took 12 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2321, 2119] Max Struct:[+inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2321, 2119] Max Struct:[+inf, +inf]
Support contains 2 out of 37 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 37/37 places, 75/75 transitions.
Applied a total of 0 rules in 9 ms. Remains 37 /37 variables (removed 0) and now considering 75/75 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 37/37 places, 75/75 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 37/37 places, 75/75 transitions.
Applied a total of 0 rules in 6 ms. Remains 37 /37 variables (removed 0) and now considering 75/75 (removed 0) transitions.
[2024-05-22 22:12:22] [INFO ] Flow matrix only has 60 transitions (discarded 15 similar events)
[2024-05-22 22:12:22] [INFO ] Invariant cache hit.
[2024-05-22 22:12:22] [INFO ] Implicit Places using invariants in 37 ms returned []
[2024-05-22 22:12:22] [INFO ] Flow matrix only has 60 transitions (discarded 15 similar events)
[2024-05-22 22:12:22] [INFO ] Invariant cache hit.
[2024-05-22 22:12:22] [INFO ] State equation strengthened by 12 read => feed constraints.
[2024-05-22 22:12:22] [INFO ] Implicit Places using invariants and state equation in 46 ms returned []
Implicit Place search using SMT with State Equation took 88 ms to find 0 implicit places.
[2024-05-22 22:12:22] [INFO ] Redundant transitions in 0 ms returned []
Running 73 sub problems to find dead transitions.
[2024-05-22 22:12:22] [INFO ] Flow matrix only has 60 transitions (discarded 15 similar events)
[2024-05-22 22:12:22] [INFO ] Invariant cache hit.
[2024-05-22 22:12:22] [INFO ] State equation strengthened by 12 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/37 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/37 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 2 (OVERLAPS) 60/97 variables, 37/40 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/97 variables, 12/52 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/97 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 5 (OVERLAPS) 0/97 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 73 unsolved
No progress, stopping.
After SMT solving in domain Real declared 97/97 variables, and 52 constraints, problems are : Problem set: 0 solved, 73 unsolved in 581 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 37/37 constraints, ReadFeed: 12/12 constraints, PredecessorRefiner: 73/73 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 73 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/37 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/37 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 2 (OVERLAPS) 60/97 variables, 37/40 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/97 variables, 12/52 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/97 variables, 73/125 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/97 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 6 (OVERLAPS) 0/97 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 73 unsolved
No progress, stopping.
After SMT solving in domain Int declared 97/97 variables, and 125 constraints, problems are : Problem set: 0 solved, 73 unsolved in 1127 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 37/37 constraints, ReadFeed: 12/12 constraints, PredecessorRefiner: 73/73 constraints, Known Traps: 0/0 constraints]
After SMT, in 1739ms problems are : Problem set: 0 solved, 73 unsolved
Search for dead transitions found 0 dead transitions in 1741ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1840 ms. Remains : 37/37 places, 75/75 transitions.
[2024-05-22 22:12:24] [INFO ] Flow matrix only has 60 transitions (discarded 15 similar events)
Found an invariant !
This invariant on transitions {7=1, 20=1, 37=1, 58=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {7=1, 20=1, 37=1, 58=1}
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 2) seen :[2147483647, 2147483647]
Current structural bounds on expressions (after cover walk) : Max Seen:[+inf, +inf] Max Struct:[+inf, +inf]
[2024-05-22 22:12:24] [INFO ] Flow matrix only has 60 transitions (discarded 15 similar events)
[2024-05-22 22:12:24] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[+inf, +inf] Max Struct:[+inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1126 ms. (887 steps per ms)
FORMULA DoubleLock-PT-p3s1-UpperBounds-12 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DoubleLock-PT-p3s1-UpperBounds-06 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DoubleLock-PT-p3s1-UpperBounds-11 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DoubleLock-PT-p3s1-UpperBounds-05 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 0 steps (0 resets) in 0 ms. (0 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
RANDOM walk for 0 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/0 properties
Finished probabilistic random walk after 0 steps, run visited all 0 properties in 0 ms. (steps per millisecond=0 )
[2024-05-22 22:12:25] [INFO ] Flatten gal took : 31 ms
[2024-05-22 22:12:25] [INFO ] Flatten gal took : 10 ms
[2024-05-22 22:12:25] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5280111882841204894.gal : 6 ms
[2024-05-22 22:12:25] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7931084049034593967.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/ReachabilityCardinality5280111882841204894.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7931084049034593967.prop' '--nowitness' '--gen-order' 'FOLLOW'

ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 27259 ms.

BK_STOP 1716415945627

--------------------
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-p3s1"
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-p3s1, 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-171631133100629"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DoubleLock-PT-p3s1.tgz
mv DoubleLock-PT-p3s1 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 ;