Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r136-tall-171631133000605.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)
...............
=====================================================================
Generated by BenchKit 2-5568
Executing tool itstools
Input is DoubleLock-PT-p1s3, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r136-tall-171631133000605
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 3.8M
-rw-r--r-- 1 mcc users 8.2K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 95K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.8K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 40K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.0K May 19 07:09 LTLCardinality.txt
-rw-r--r-- 1 mcc users 19K May 19 15:48 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 19 07:17 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 19 18:16 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Apr 12 13:39 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 118K Apr 12 13:39 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 10K May 14 13:22 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 89K May 14 13:22 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 3.4M 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-p1s3-UpperBounds-00
FORMULA_NAME DoubleLock-PT-p1s3-UpperBounds-01
FORMULA_NAME DoubleLock-PT-p1s3-UpperBounds-02
FORMULA_NAME DoubleLock-PT-p1s3-UpperBounds-03
FORMULA_NAME DoubleLock-PT-p1s3-UpperBounds-04
FORMULA_NAME DoubleLock-PT-p1s3-UpperBounds-05
FORMULA_NAME DoubleLock-PT-p1s3-UpperBounds-06
FORMULA_NAME DoubleLock-PT-p1s3-UpperBounds-07
FORMULA_NAME DoubleLock-PT-p1s3-UpperBounds-08
FORMULA_NAME DoubleLock-PT-p1s3-UpperBounds-09
FORMULA_NAME DoubleLock-PT-p1s3-UpperBounds-10
FORMULA_NAME DoubleLock-PT-p1s3-UpperBounds-11
FORMULA_NAME DoubleLock-PT-p1s3-UpperBounds-12
FORMULA_NAME DoubleLock-PT-p1s3-UpperBounds-13
FORMULA_NAME DoubleLock-PT-p1s3-UpperBounds-14
FORMULA_NAME DoubleLock-PT-p1s3-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1716408222157

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-p1s3
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202405141337
[2024-05-22 20:03:43] [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 20:03:43] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-22 20:03:43] [INFO ] Load time of PNML (sax parser for PT used): 315 ms
[2024-05-22 20:03:43] [INFO ] Transformed 570 places.
[2024-05-22 20:03:43] [INFO ] Transformed 7568 transitions.
[2024-05-22 20:03:43] [INFO ] Parsed PT model containing 570 places and 7568 transitions and 30656 arcs in 451 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 7 ms.
Deduced a syphon composed of 132 places in 37 ms
Reduce places removed 132 places and 256 transitions.
FORMULA DoubleLock-PT-p1s3-UpperBounds-10 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DoubleLock-PT-p1s3-UpperBounds-13 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] 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, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-22 20:03:43] [INFO ] Flow matrix only has 4971 transitions (discarded 2341 similar events)
// Phase 1: matrix 4971 rows 438 cols
[2024-05-22 20:03:44] [INFO ] Computed 4 invariants in 89 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 10, 1, 1, 1, 1, 1, 1, +inf, 1, 1]
RANDOM walk for 10007 steps (95 resets) in 90 ms. (109 steps per ms)
FORMULA DoubleLock-PT-p1s3-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p1s3-UpperBounds-04 10 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p1s3-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p1s3-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p1s3-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p1s3-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p1s3-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p1s3-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p1s3-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p1s3-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 50004 steps (66 resets) in 158 ms. (314 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 2] Max Struct:[1, 1, 1, +inf]
[2024-05-22 20:03:44] [INFO ] Flow matrix only has 4971 transitions (discarded 2341 similar events)
[2024-05-22 20:03:44] [INFO ] Invariant cache hit.
[2024-05-22 20:03:44] [INFO ] [Real]Absence check using 3 positive place invariants in 8 ms returned sat
[2024-05-22 20:03:44] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-22 20:03:45] [INFO ] [Real]Absence check using state equation in 873 ms returned sat
[2024-05-22 20:03:45] [INFO ] State equation strengthened by 400 read => feed constraints.
[2024-05-22 20:03:45] [INFO ] [Real]Added 400 Read/Feed constraints in 342 ms returned sat
[2024-05-22 20:03:46] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 20:03:46] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-22 20:03:46] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-22 20:03:47] [INFO ] [Nat]Absence check using state equation in 951 ms returned sat
[2024-05-22 20:03:47] [INFO ] SMT solver returned unknown. Retrying;
[2024-05-22 20:03:48] [INFO ] [Nat]Added 400 Read/Feed constraints in 1080 ms returned unknown
[2024-05-22 20:03:48] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-22 20:03:48] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2024-05-22 20:03:49] [INFO ] [Real]Absence check using state equation in 737 ms returned sat
[2024-05-22 20:03:49] [INFO ] [Real]Added 400 Read/Feed constraints in 366 ms returned sat
[2024-05-22 20:03:49] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 20:03:49] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-22 20:03:49] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-22 20:03:50] [INFO ] [Nat]Absence check using state equation in 866 ms returned sat
[2024-05-22 20:03:51] [INFO ] SMT solver returned unknown. Retrying;
[2024-05-22 20:03:51] [INFO ] [Nat]Added 400 Read/Feed constraints in 1081 ms returned unknown
[2024-05-22 20:03:51] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-22 20:03:51] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-22 20:03:52] [INFO ] [Real]Absence check using state equation in 806 ms returned sat
[2024-05-22 20:03:53] [INFO ] SMT solver returned unknown. Retrying;
[2024-05-22 20:03:53] [INFO ] [Real]Added 400 Read/Feed constraints in 1081 ms returned unknown
[2024-05-22 20:03:53] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2024-05-22 20:03:53] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-22 20:03:54] [INFO ] [Real]Absence check using state equation in 827 ms returned sat
[2024-05-22 20:03:55] [INFO ] SMT solver returned unknown. Retrying;
[2024-05-22 20:03:55] [INFO ] [Real]Added 400 Read/Feed constraints in 715 ms returned sat
[2024-05-22 20:03:55] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 20:03:55] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-22 20:03:55] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-22 20:03:56] [INFO ] [Nat]Absence check using state equation in 810 ms returned sat
[2024-05-22 20:03:56] [INFO ] SMT solver returned unknown. Retrying;
[2024-05-22 20:03:57] [INFO ] [Nat]Added 400 Read/Feed constraints in 1072 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 2] Max Struct:[1, 1, 1, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0, 2] Max Struct:[1, 1, 1, +inf]
Support contains 4 out of 438 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 438/438 places, 7312/7312 transitions.
Graph (complete) has 12297 edges and 438 vertex of which 434 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.19 ms
Discarding 4 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 128 transitions
Reduce isomorphic transitions removed 128 transitions.
Iterating post reduction 0 with 128 rules applied. Total rules applied 129 place count 434 transition count 7184
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 130 place count 433 transition count 7056
Iterating global reduction 1 with 1 rules applied. Total rules applied 131 place count 433 transition count 7056
Applied a total of 131 rules in 522 ms. Remains 433 /438 variables (removed 5) and now considering 7056/7312 (removed 256) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 533 ms. Remains : 433/438 places, 7056/7312 transitions.
[2024-05-22 20:03:58] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
Found an invariant !
This invariant on transitions {22=1, 39=1, 3010=1, 3011=1, 4686=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {22=1, 39=1, 3022=1, 3023=1, 4697=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 117 resets, run finished after 190 ms. (steps per millisecond=52 ) properties (out of 4) seen :[1, 0, 0, 2]
Current structural bounds on expressions (after cover walk) : Max Seen:[1, 0, 0, 2] Max Struct:[1, 1, 1, +inf]
[2024-05-22 20:04:11] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
// Phase 1: matrix 4715 rows 433 cols
[2024-05-22 20:04:11] [INFO ] Computed 3 invariants in 45 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1, 0, 0, 2] Max Struct:[1, 1, 1, +inf]
FORMULA DoubleLock-PT-p1s3-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 1000008 steps (9350 resets) in 3629 ms. (275 steps per ms)
FORMULA DoubleLock-PT-p1s3-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p1s3-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 2000002 steps (2812 resets) in 2035 ms. (982 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[4] Max Struct:[+inf]
[2024-05-22 20:04:17] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2024-05-22 20:04:17] [INFO ] Invariant cache hit.
[2024-05-22 20:04:17] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-22 20:04:18] [INFO ] [Real]Absence check using state equation in 983 ms returned sat
[2024-05-22 20:04:18] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 20:04:18] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-22 20:04:19] [INFO ] [Nat]Absence check using state equation in 953 ms returned sat
[2024-05-22 20:04:19] [INFO ] State equation strengthened by 400 read => feed constraints.
[2024-05-22 20:04:24] [INFO ] SMT solver returned unknown. Retrying;
[2024-05-22 20:04:28] [INFO ] [Nat]Added 400 Read/Feed constraints in 9064 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[4] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[4] Max Struct:[+inf]
Support contains 1 out of 433 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7056/7056 transitions.
Applied a total of 0 rules in 196 ms. Remains 433 /433 variables (removed 0) and now considering 7056/7056 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 196 ms. Remains : 433/433 places, 7056/7056 transitions.
[2024-05-22 20:04:28] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
Found an invariant !
This invariant on transitions {22=1, 39=1, 3010=1, 3011=1, 4686=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {22=1, 39=1, 3022=1, 3023=1, 4697=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 128 resets, run finished after 53 ms. (steps per millisecond=188 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[4] Max Struct:[+inf]
[2024-05-22 20:04:41] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2024-05-22 20:04:41] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[4] Max Struct:[+inf]
RANDOM walk for 1000002 steps (9316 resets) in 3286 ms. (304 steps per ms)
BEST_FIRST walk for 1000001 steps (1417 resets) in 927 ms. (1077 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[4] Max Struct:[+inf]
[2024-05-22 20:04:46] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2024-05-22 20:04:46] [INFO ] Invariant cache hit.
[2024-05-22 20:04:46] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-22 20:04:47] [INFO ] [Real]Absence check using state equation in 964 ms returned sat
[2024-05-22 20:04:47] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 20:04:47] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-22 20:04:48] [INFO ] [Nat]Absence check using state equation in 945 ms returned sat
[2024-05-22 20:04:48] [INFO ] State equation strengthened by 400 read => feed constraints.
[2024-05-22 20:04:52] [INFO ] SMT solver returned unknown. Retrying;
[2024-05-22 20:04:57] [INFO ] [Nat]Added 400 Read/Feed constraints in 9061 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[4] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[4] Max Struct:[+inf]
Support contains 1 out of 433 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7056/7056 transitions.
Applied a total of 0 rules in 188 ms. Remains 433 /433 variables (removed 0) and now considering 7056/7056 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 189 ms. Remains : 433/433 places, 7056/7056 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7056/7056 transitions.
Applied a total of 0 rules in 250 ms. Remains 433 /433 variables (removed 0) and now considering 7056/7056 (removed 0) transitions.
[2024-05-22 20:04:57] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2024-05-22 20:04:57] [INFO ] Invariant cache hit.
[2024-05-22 20:04:58] [INFO ] Implicit Places using invariants in 851 ms returned []
[2024-05-22 20:04:58] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2024-05-22 20:04:58] [INFO ] Invariant cache hit.
[2024-05-22 20:04:59] [INFO ] State equation strengthened by 400 read => feed constraints.
[2024-05-22 20:05:32] [INFO ] Performed 116/433 implicitness test of which 0 returned IMPLICIT in 32 seconds.
[2024-05-22 20:05:59] [INFO ] Implicit Places using invariants and state equation in 61203 ms returned []
Implicit Place search using SMT with State Equation took 62058 ms to find 0 implicit places.
[2024-05-22 20:06:00] [INFO ] Redundant transitions in 714 ms returned []
Running 7054 sub problems to find dead transitions.
[2024-05-22 20:06:00] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2024-05-22 20:06:00] [INFO ] Invariant cache hit.
[2024-05-22 20:06:00] [INFO ] State equation strengthened by 400 read => feed constraints.
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
At refinement iteration 0 (INCLUDED_ONLY) 0/433 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 7054 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 433/5148 variables, and 3 constraints, problems are : Problem set: 0 solved, 7054 unsolved in 30156 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/433 constraints, ReadFeed: 0/400 constraints, PredecessorRefiner: 7054/7054 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7054 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/433 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 7054 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 433/5148 variables, and 3 constraints, problems are : Problem set: 0 solved, 7054 unsolved in 30131 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/433 constraints, ReadFeed: 0/400 constraints, PredecessorRefiner: 0/7054 constraints, Known Traps: 0/0 constraints]
After SMT, in 90446ms problems are : Problem set: 0 solved, 7054 unsolved
Search for dead transitions found 0 dead transitions in 90531ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 153613 ms. Remains : 433/433 places, 7056/7056 transitions.
[2024-05-22 20:07:31] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
Found an invariant !
This invariant on transitions {22=1, 39=1, 3010=1, 3011=1, 4686=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {22=1, 39=1, 3022=1, 3023=1, 4697=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 124 resets, run finished after 64 ms. (steps per millisecond=156 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[4] Max Struct:[+inf]
RANDOM walk for 40009 steps (371 resets) in 538 ms. (74 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (49 resets) in 164 ms. (242 steps per ms) remains 1/1 properties
[2024-05-22 20:07:45] [INFO ] Flatten gal took : 676 ms
[2024-05-22 20:07:45] [INFO ] Flatten gal took : 217 ms
[2024-05-22 20:07:45] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12988227503602184208.gal : 180 ms
[2024-05-22 20:07:45] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10310781642501610059.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/ReachabilityCardinality12988227503602184208.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10310781642501610059.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality10310781642501610059.prop.
Interrupted probabilistic random walk after 134416 steps, run timeout after 3001 ms. (steps per millisecond=44 ) properties seen :0 out of 1
Probabilistic random walk after 134416 steps, saw 104510 distinct states, run finished after 3004 ms. (steps per millisecond=44 ) properties seen :0
[2024-05-22 20:07:47] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2024-05-22 20:07:47] [INFO ] Invariant cache hit.
[2024-05-22 20:07:47] [INFO ] State equation strengthened by 400 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) 266/267 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/267 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 4166/4433 variables, 130/131 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4433 variables, 128/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/4433 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 275/4708 variables, 2/261 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/4708 variables, 128/389 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/4708 variables, 0/389 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 440/5148 variables, 174/563 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/5148 variables, 1/564 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 12
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :12 after 90
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :90 after 880
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :880 after 5757
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :5757 after 68068
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :68068 after 470547
Solver is answering 'unknown', stopping.
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :470547 after 1.14271e+06
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :1.14271e+06 after 1.63468e+06
After SMT solving in domain Real declared 5148/5148 variables, and 836 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2110 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 433/433 constraints, ReadFeed: 400/400 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) 266/267 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/267 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 4166/4433 variables, 130/131 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4433 variables, 128/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/4433 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/4433 variables, 0/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 275/4708 variables, 2/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/4708 variables, 128/390 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/4708 variables, 0/390 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 440/5148 variables, 174/564 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :1.63468e+06 after 3.73394e+06
At refinement iteration 11 (INCLUDED_ONLY) 0/5148 variables, 1/565 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 5148/5148 variables, and 837 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2402 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 433/433 constraints, ReadFeed: 400/400 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 4598ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 433 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7056/7056 transitions.
Applied a total of 0 rules in 189 ms. Remains 433 /433 variables (removed 0) and now considering 7056/7056 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 192 ms. Remains : 433/433 places, 7056/7056 transitions.
RANDOM walk for 40009 steps (363 resets) in 204 ms. (195 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (50 resets) in 251 ms. (158 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :3.73394e+06 after 7.89955e+06
Interrupted probabilistic random walk after 144368 steps, run timeout after 3001 ms. (steps per millisecond=48 ) properties seen :0 out of 1
Probabilistic random walk after 144368 steps, saw 111915 distinct states, run finished after 3001 ms. (steps per millisecond=48 ) properties seen :0
[2024-05-22 20:07:55] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2024-05-22 20:07:55] [INFO ] Invariant cache hit.
[2024-05-22 20:07:55] [INFO ] State equation strengthened by 400 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) 266/267 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/267 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 4166/4433 variables, 130/131 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4433 variables, 128/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/4433 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 275/4708 variables, 2/261 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/4708 variables, 128/389 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/4708 variables, 0/389 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 440/5148 variables, 174/563 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/5148 variables, 1/564 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/5148 variables, 272/836 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/5148 variables, 0/836 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/5148 variables, 0/836 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 5148/5148 variables, and 836 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2526 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 433/433 constraints, ReadFeed: 400/400 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) 266/267 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/267 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 4166/4433 variables, 130/131 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4433 variables, 128/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/4433 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/4433 variables, 0/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 275/4708 variables, 2/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/4708 variables, 128/390 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/4708 variables, 0/390 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 440/5148 variables, 174/564 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/5148 variables, 1/565 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :7.89955e+06 after 1.23673e+07
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 5148/5148 variables, and 837 constraints, problems are : Problem set: 0 solved, 1 unsolved in 8908 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 433/433 constraints, ReadFeed: 400/400 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 11493ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 284 ms.
Support contains 1 out of 433 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7056/7056 transitions.
Applied a total of 0 rules in 182 ms. Remains 433 /433 variables (removed 0) and now considering 7056/7056 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 182 ms. Remains : 433/433 places, 7056/7056 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7056/7056 transitions.
Applied a total of 0 rules in 180 ms. Remains 433 /433 variables (removed 0) and now considering 7056/7056 (removed 0) transitions.
[2024-05-22 20:08:07] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2024-05-22 20:08:07] [INFO ] Invariant cache hit.
[2024-05-22 20:08:08] [INFO ] Implicit Places using invariants in 819 ms returned []
[2024-05-22 20:08:08] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2024-05-22 20:08:08] [INFO ] Invariant cache hit.
[2024-05-22 20:08:09] [INFO ] State equation strengthened by 400 read => feed constraints.
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :1.23673e+07 after 1.60954e+07
Detected timeout of ITS tools.
[2024-05-22 20:08:36] [INFO ] Flatten gal took : 175 ms
[2024-05-22 20:08:36] [INFO ] Applying decomposition
[2024-05-22 20:08:36] [INFO ] Flatten gal took : 173 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/graph14972156976419229399.txt' '-o' '/tmp/graph14972156976419229399.bin' '-w' '/tmp/graph14972156976419229399.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph14972156976419229399.bin' '-l' '-1' '-v' '-w' '/tmp/graph14972156976419229399.weights' '-q' '0' '-e' '0.001'
[2024-05-22 20:08:37] [INFO ] Decomposing Gal with order
[2024-05-22 20:08:37] [INFO ] Rewriting arrays to variables to allow decomposition.
[2024-05-22 20:08:37] [INFO ] Removed a total of 17303 redundant transitions.
[2024-05-22 20:08:38] [INFO ] Flatten gal took : 670 ms
[2024-05-22 20:08:38] [INFO ] Fuse similar labels procedure discarded/fused a total of 921 labels/synchronizations in 306 ms.
[2024-05-22 20:08:38] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1344709697766336785.gal : 46 ms
[2024-05-22 20:08:38] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12826667277550924427.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/ReachabilityCardinality1344709697766336785.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12826667277550924427.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/ReachabilityCardinality12826667277550924427.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 218
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :218 after 218
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :218 after 262
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :262 after 373
[2024-05-22 20:08:42] [INFO ] Performed 116/433 implicitness test of which 0 returned IMPLICIT in 33 seconds.
[2024-05-22 20:09:10] [INFO ] Implicit Places using invariants and state equation in 62624 ms returned []
Implicit Place search using SMT with State Equation took 63448 ms to find 0 implicit places.
[2024-05-22 20:09:11] [INFO ] Redundant transitions in 679 ms returned []
Running 7054 sub problems to find dead transitions.
[2024-05-22 20:09:11] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2024-05-22 20:09:11] [INFO ] Invariant cache hit.
[2024-05-22 20:09:11] [INFO ] State equation strengthened by 400 read => feed constraints.
Detected timeout of ITS tools.
At refinement iteration 0 (INCLUDED_ONLY) 0/433 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 7054 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 433/5148 variables, and 3 constraints, problems are : Problem set: 0 solved, 7054 unsolved in 30099 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/433 constraints, ReadFeed: 0/400 constraints, PredecessorRefiner: 7054/7054 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7054 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/433 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 7054 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 433/5148 variables, and 3 constraints, problems are : Problem set: 0 solved, 7054 unsolved in 30094 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/433 constraints, ReadFeed: 0/400 constraints, PredecessorRefiner: 0/7054 constraints, Known Traps: 0/0 constraints]
After SMT, in 92151ms problems are : Problem set: 0 solved, 7054 unsolved
Search for dead transitions found 0 dead transitions in 92221ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 156569 ms. Remains : 433/433 places, 7056/7056 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[4] Max Struct:[+inf]
Starting property specific reduction for DoubleLock-PT-p1s3-UpperBounds-12
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 20:10:43] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2024-05-22 20:10:43] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10005 steps (93 resets) in 41 ms. (238 steps per ms)
BEST_FIRST walk for 10001 steps (16 resets) in 12 ms. (769 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[+inf]
[2024-05-22 20:10:43] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2024-05-22 20:10:43] [INFO ] Invariant cache hit.
[2024-05-22 20:10:43] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-22 20:10:44] [INFO ] [Real]Absence check using state equation in 900 ms returned sat
[2024-05-22 20:10:44] [INFO ] State equation strengthened by 400 read => feed constraints.
[2024-05-22 20:10:45] [INFO ] [Real]Added 400 Read/Feed constraints in 453 ms returned sat
[2024-05-22 20:10:45] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 20:10:45] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-22 20:10:46] [INFO ] [Nat]Absence check using state equation in 930 ms returned sat
[2024-05-22 20:10:46] [INFO ] SMT solver returned unknown. Retrying;
[2024-05-22 20:10:47] [INFO ] [Nat]Added 400 Read/Feed constraints in 1079 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[+inf]
Support contains 1 out of 433 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7056/7056 transitions.
Applied a total of 0 rules in 158 ms. Remains 433 /433 variables (removed 0) and now considering 7056/7056 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 159 ms. Remains : 433/433 places, 7056/7056 transitions.
[2024-05-22 20:10:47] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
Found an invariant !
This invariant on transitions {22=1, 39=1, 3010=1, 3011=1, 4686=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {22=1, 39=1, 3022=1, 3023=1, 4697=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 129 resets, run finished after 53 ms. (steps per millisecond=188 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[2] Max Struct:[+inf]
[2024-05-22 20:11:01] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2024-05-22 20:11:01] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000002 steps (9279 resets) in 3950 ms. (253 steps per ms)
BEST_FIRST walk for 1000001 steps (1416 resets) in 1077 ms. (927 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3] Max Struct:[+inf]
[2024-05-22 20:11:06] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2024-05-22 20:11:06] [INFO ] Invariant cache hit.
[2024-05-22 20:11:06] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2024-05-22 20:11:07] [INFO ] [Real]Absence check using state equation in 1008 ms returned sat
[2024-05-22 20:11:07] [INFO ] State equation strengthened by 400 read => feed constraints.
[2024-05-22 20:11:08] [INFO ] [Real]Added 400 Read/Feed constraints in 779 ms returned sat
[2024-05-22 20:11:08] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 20:11:08] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-22 20:11:09] [INFO ] [Nat]Absence check using state equation in 993 ms returned sat
[2024-05-22 20:11:14] [INFO ] SMT solver returned unknown. Retrying;
[2024-05-22 20:11:18] [INFO ] [Nat]Added 400 Read/Feed constraints in 9068 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[3] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3] Max Struct:[+inf]
Support contains 1 out of 433 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7056/7056 transitions.
Applied a total of 0 rules in 175 ms. Remains 433 /433 variables (removed 0) and now considering 7056/7056 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 175 ms. Remains : 433/433 places, 7056/7056 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7056/7056 transitions.
Applied a total of 0 rules in 171 ms. Remains 433 /433 variables (removed 0) and now considering 7056/7056 (removed 0) transitions.
[2024-05-22 20:11:18] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2024-05-22 20:11:18] [INFO ] Invariant cache hit.
[2024-05-22 20:11:19] [INFO ] Implicit Places using invariants in 906 ms returned []
[2024-05-22 20:11:19] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2024-05-22 20:11:19] [INFO ] Invariant cache hit.
[2024-05-22 20:11:20] [INFO ] State equation strengthened by 400 read => feed constraints.
[2024-05-22 20:11:54] [INFO ] Performed 116/433 implicitness test of which 0 returned IMPLICIT in 33 seconds.
[2024-05-22 20:12:21] [INFO ] Implicit Places using invariants and state equation in 61574 ms returned []
Implicit Place search using SMT with State Equation took 62486 ms to find 0 implicit places.
[2024-05-22 20:12:21] [INFO ] Redundant transitions in 510 ms returned []
Running 7054 sub problems to find dead transitions.
[2024-05-22 20:12:21] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2024-05-22 20:12:21] [INFO ] Invariant cache hit.
[2024-05-22 20:12:22] [INFO ] State equation strengthened by 400 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/433 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 7054 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 433/5148 variables, and 3 constraints, problems are : Problem set: 0 solved, 7054 unsolved in 30090 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/433 constraints, ReadFeed: 0/400 constraints, PredecessorRefiner: 7054/7054 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7054 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/433 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 7054 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 433/5148 variables, and 3 constraints, problems are : Problem set: 0 solved, 7054 unsolved in 30109 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/433 constraints, ReadFeed: 0/400 constraints, PredecessorRefiner: 0/7054 constraints, Known Traps: 0/0 constraints]
After SMT, in 92313ms problems are : Problem set: 0 solved, 7054 unsolved
Search for dead transitions found 0 dead transitions in 92369ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 155562 ms. Remains : 433/433 places, 7056/7056 transitions.
[2024-05-22 20:13:54] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
Found an invariant !
This invariant on transitions {22=1, 39=1, 3010=1, 3011=1, 4686=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {22=1, 39=1, 3022=1, 3023=1, 4697=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 120 resets, run finished after 53 ms. (steps per millisecond=188 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[3] Max Struct:[+inf]
[2024-05-22 20:14:07] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2024-05-22 20:14:07] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[3] Max Struct:[+inf]
RANDOM walk for 1000002 steps (9329 resets) in 3634 ms. (275 steps per ms)
BEST_FIRST walk for 1000001 steps (1416 resets) in 999 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[4] Max Struct:[+inf]
[2024-05-22 20:14:12] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2024-05-22 20:14:12] [INFO ] Invariant cache hit.
[2024-05-22 20:14:12] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-22 20:14:13] [INFO ] [Real]Absence check using state equation in 962 ms returned sat
[2024-05-22 20:14:13] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 20:14:13] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-22 20:14:14] [INFO ] [Nat]Absence check using state equation in 923 ms returned sat
[2024-05-22 20:14:14] [INFO ] State equation strengthened by 400 read => feed constraints.
[2024-05-22 20:14:19] [INFO ] SMT solver returned unknown. Retrying;
[2024-05-22 20:14:23] [INFO ] [Nat]Added 400 Read/Feed constraints in 9064 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[4] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[4] Max Struct:[+inf]
Support contains 1 out of 433 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7056/7056 transitions.
Applied a total of 0 rules in 158 ms. Remains 433 /433 variables (removed 0) and now considering 7056/7056 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 158 ms. Remains : 433/433 places, 7056/7056 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7056/7056 transitions.
Applied a total of 0 rules in 158 ms. Remains 433 /433 variables (removed 0) and now considering 7056/7056 (removed 0) transitions.
[2024-05-22 20:14:24] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2024-05-22 20:14:24] [INFO ] Invariant cache hit.
[2024-05-22 20:14:24] [INFO ] Implicit Places using invariants in 830 ms returned []
[2024-05-22 20:14:24] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2024-05-22 20:14:24] [INFO ] Invariant cache hit.
[2024-05-22 20:14:25] [INFO ] State equation strengthened by 400 read => feed constraints.
[2024-05-22 20:14:58] [INFO ] Performed 116/433 implicitness test of which 0 returned IMPLICIT in 32 seconds.
[2024-05-22 20:15:24] [INFO ] Implicit Places using invariants and state equation in 59799 ms returned []
Implicit Place search using SMT with State Equation took 60632 ms to find 0 implicit places.
[2024-05-22 20:15:25] [INFO ] Redundant transitions in 738 ms returned []
Running 7054 sub problems to find dead transitions.
[2024-05-22 20:15:25] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2024-05-22 20:15:25] [INFO ] Invariant cache hit.
[2024-05-22 20:15:25] [INFO ] State equation strengthened by 400 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/433 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 7054 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 433/5148 variables, and 3 constraints, problems are : Problem set: 0 solved, 7054 unsolved in 30140 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/433 constraints, ReadFeed: 0/400 constraints, PredecessorRefiner: 7054/7054 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7054 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/433 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 7054 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 433/5148 variables, and 3 constraints, problems are : Problem set: 0 solved, 7054 unsolved in 30152 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/433 constraints, ReadFeed: 0/400 constraints, PredecessorRefiner: 0/7054 constraints, Known Traps: 0/0 constraints]
After SMT, in 94742ms problems are : Problem set: 0 solved, 7054 unsolved
Search for dead transitions found 0 dead transitions in 94801ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 156363 ms. Remains : 433/433 places, 7056/7056 transitions.
[2024-05-22 20:17:00] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)

BK_STOP 1716409022929

--------------------
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-p1s3"
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-p1s3, 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-171631133000605"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DoubleLock-PT-p1s3.tgz
mv DoubleLock-PT-p1s3 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 ;