Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r072-tall-174860067600535.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is DoubleLock-PT-p1s2, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r072-tall-174860067600535
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 3.8M
-rw-r--r-- 1 mcc users 8.6K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 99K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.9K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 39K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 115K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.9K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 65K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 5 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 3.4M May 29 14:32 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME DoubleLock-PT-p1s2-ReachabilityFireability-2025-00
FORMULA_NAME DoubleLock-PT-p1s2-ReachabilityFireability-2025-01
FORMULA_NAME DoubleLock-PT-p1s2-ReachabilityFireability-2025-02
FORMULA_NAME DoubleLock-PT-p1s2-ReachabilityFireability-2025-03
FORMULA_NAME DoubleLock-PT-p1s2-ReachabilityFireability-2025-04
FORMULA_NAME DoubleLock-PT-p1s2-ReachabilityFireability-2025-05
FORMULA_NAME DoubleLock-PT-p1s2-ReachabilityFireability-2025-06
FORMULA_NAME DoubleLock-PT-p1s2-ReachabilityFireability-2025-07
FORMULA_NAME DoubleLock-PT-p1s2-ReachabilityFireability-2025-08
FORMULA_NAME DoubleLock-PT-p1s2-ReachabilityFireability-2025-09
FORMULA_NAME DoubleLock-PT-p1s2-ReachabilityFireability-2025-10
FORMULA_NAME DoubleLock-PT-p1s2-ReachabilityFireability-2025-11
FORMULA_NAME DoubleLock-PT-p1s2-ReachabilityFireability-2025-12
FORMULA_NAME DoubleLock-PT-p1s2-ReachabilityFireability-2025-13
FORMULA_NAME DoubleLock-PT-p1s2-ReachabilityFireability-2025-14
FORMULA_NAME DoubleLock-PT-p1s2-ReachabilityFireability-2025-15

=== Now, execution of the tool begins

BK_START 1748763115195

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DoubleLock-PT-p1s2
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202505121319
[2025-06-01 07:31:56] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-01 07:31:56] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-01 07:31:56] [INFO ] Load time of PNML (sax parser for PT used): 296 ms
[2025-06-01 07:31:56] [INFO ] Transformed 570 places.
[2025-06-01 07:31:56] [INFO ] Transformed 7600 transitions.
[2025-06-01 07:31:56] [INFO ] Parsed PT model containing 570 places and 7600 transitions and 30784 arcs in 424 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 14 ms.
Working with output stream class java.io.PrintStream
Deduced a syphon composed of 132 places in 22 ms
Reduce places removed 132 places and 256 transitions.
RANDOM walk for 40003 steps (344 resets) in 2522 ms. (15 steps per ms) remains 14/16 properties
FORMULA DoubleLock-PT-p1s2-ReachabilityFireability-2025-10 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DoubleLock-PT-p1s2-ReachabilityFireability-2025-09 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40003 steps (50 resets) in 386 ms. (103 steps per ms) remains 12/14 properties
FORMULA DoubleLock-PT-p1s2-ReachabilityFireability-2025-01 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p1s2-ReachabilityFireability-2025-00 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (56 resets) in 331 ms. (120 steps per ms) remains 11/12 properties
FORMULA DoubleLock-PT-p1s2-ReachabilityFireability-2025-07 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (60 resets) in 706 ms. (56 steps per ms) remains 10/11 properties
FORMULA DoubleLock-PT-p1s2-ReachabilityFireability-2025-03 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40003 steps (53 resets) in 398 ms. (100 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (46 resets) in 274 ms. (145 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (57 resets) in 256 ms. (155 steps per ms) remains 10/10 properties
[2025-06-01 07:31:58] [INFO ] Flatten gal took : 970 ms
BEST_FIRST walk for 40003 steps (63 resets) in 143 ms. (277 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (50 resets) in 180 ms. (221 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (52 resets) in 126 ms. (314 steps per ms) remains 9/10 properties
FORMULA DoubleLock-PT-p1s2-ReachabilityFireability-2025-12 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (46 resets) in 253 ms. (157 steps per ms) remains 8/9 properties
FORMULA DoubleLock-PT-p1s2-ReachabilityFireability-2025-13 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40003 steps (60 resets) in 107 ms. (370 steps per ms) remains 6/8 properties
FORMULA DoubleLock-PT-p1s2-ReachabilityFireability-2025-14 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p1s2-ReachabilityFireability-2025-06 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
[2025-06-01 07:31:58] [INFO ] Flow matrix only has 5003 transitions (discarded 2341 similar events)
// Phase 1: matrix 5003 rows 438 cols
[2025-06-01 07:31:58] [INFO ] Computed 4 invariants in 62 ms
[2025-06-01 07:31:58] [INFO ] Flatten gal took : 334 ms
[2025-06-01 07:31:58] [INFO ] State equation strengthened by 400 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 07:31:58] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2055096065841828949.gal : 211 ms
[2025-06-01 07:31:58] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9442255623443858669.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality2055096065841828949.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9442255623443858669.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/87 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Problem DoubleLock-PT-p1s2-ReachabilityFireability-2025-05 is UNSAT
FORMULA DoubleLock-PT-p1s2-ReachabilityFireability-2025-05 FALSE TECHNIQUES SMT_REFINEMENT
Problem DoubleLock-PT-p1s2-ReachabilityFireability-2025-11 is UNSAT
FORMULA DoubleLock-PT-p1s2-ReachabilityFireability-2025-11 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 1 (OVERLAPS) 340/427 variables, 3/3 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/427 variables, 0/3 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 1/428 variables, 1/4 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/428 variables, 0/4 constraints. Problems are: Problem set: 2 solved, 4 unsolved
Loading property file /tmp/ReachabilityCardinality9442255623443858669.prop.
At refinement iteration 5 (OVERLAPS) 5002/5430 variables, 428/432 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/5430 variables, 400/832 constraints. Problems are: Problem set: 2 solved, 4 unsolved
SDD proceeding with computation,6 properties remain. new max is 4
SDD size :1 after 12
SDD proceeding with computation,6 properties remain. new max is 8
SDD size :12 after 90
SDD proceeding with computation,6 properties remain. new max is 16
SDD size :90 after 880
SDD proceeding with computation,6 properties remain. new max is 32
SDD size :880 after 5757
SDD proceeding with computation,6 properties remain. new max is 64
SDD size :5757 after 46973
SDD proceeding with computation,6 properties remain. new max is 128
SDD size :46973 after 499422
At refinement iteration 7 (INCLUDED_ONLY) 0/5430 variables, 0/832 constraints. Problems are: Problem set: 2 solved, 4 unsolved
SDD proceeding with computation,6 properties remain. new max is 256
SDD size :499422 after 1.02691e+06
SDD proceeding with computation,6 properties remain. new max is 512
SDD size :1.02691e+06 after 1.60956e+06
At refinement iteration 8 (OVERLAPS) 11/5441 variables, 10/842 constraints. Problems are: Problem set: 2 solved, 4 unsolved
SDD proceeding with computation,6 properties remain. new max is 1024
SDD size :1.60956e+06 after 3.8095e+06
At refinement iteration 9 (INCLUDED_ONLY) 0/5441 variables, 0/842 constraints. Problems are: Problem set: 2 solved, 4 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 5441/5441 variables, and 842 constraints, problems are : Problem set: 2 solved, 4 unsolved in 5055 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 438/438 constraints, ReadFeed: 400/400 constraints, PredecessorRefiner: 6/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 2 solved, 4 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/59 variables, 0/0 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 367/426 variables, 3/3 constraints. Problems are: Problem set: 2 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:32:04] [INFO ] Deduced a trap composed of 180 places in 760 ms of which 61 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:32:05] [INFO ] Deduced a trap composed of 305 places in 664 ms of which 68 ms to minimize.
Problem DoubleLock-PT-p1s2-ReachabilityFireability-2025-02 is UNSAT
FORMULA DoubleLock-PT-p1s2-ReachabilityFireability-2025-02 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (INCLUDED_ONLY) 0/426 variables, 2/5 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/426 variables, 0/5 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 1/427 variables, 1/6 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/427 variables, 0/6 constraints. Problems are: Problem set: 3 solved, 3 unsolved
SDD proceeding with computation,6 properties remain. new max is 2048
SDD size :3.8095e+06 after 7.6463e+06
At refinement iteration 6 (OVERLAPS) 5002/5429 variables, 427/433 constraints. Problems are: Problem set: 3 solved, 3 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 5429/5441 variables, and 833 constraints, problems are : Problem set: 3 solved, 3 unsolved in 5024 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 427/438 constraints, ReadFeed: 400/400 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10339ms problems are : Problem set: 3 solved, 3 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 54 out of 438 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 438/438 places, 7344/7344 transitions.
Graph (complete) has 12357 edges and 438 vertex of which 434 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.28 ms
Discarding 4 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 58 transitions
Reduce isomorphic transitions removed 58 transitions.
Iterating post reduction 0 with 58 rules applied. Total rules applied 59 place count 434 transition count 7286
Applied a total of 59 rules in 418 ms. Remains 434 /438 variables (removed 4) and now considering 7286/7344 (removed 58) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 427 ms. Remains : 434/438 places, 7286/7344 transitions.
RANDOM walk for 40007 steps (347 resets) in 607 ms. (65 steps per ms) remains 2/3 properties
FORMULA DoubleLock-PT-p1s2-ReachabilityFireability-2025-15 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (55 resets) in 280 ms. (142 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (55 resets) in 117 ms. (339 steps per ms) remains 2/2 properties
[2025-06-01 07:32:09] [INFO ] Flow matrix only has 4945 transitions (discarded 2341 similar events)
// Phase 1: matrix 4945 rows 434 cols
[2025-06-01 07:32:09] [INFO ] Computed 2 invariants in 95 ms
[2025-06-01 07:32:09] [INFO ] State equation strengthened by 400 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/53 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 6/59 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/59 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 127/186 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/186 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 4613/4799 variables, 186/188 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/4799 variables, 69/257 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/4799 variables, 0/257 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,6 properties remain. new max is 4096
SDD size :7.6463e+06 after 1.14644e+07
SDD proceeding with computation,6 properties remain. new max is 8192
SDD size :1.14644e+07 after 1.47334e+07
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 5379/5379 variables, and 505 constraints, problems are : Problem set: 0 solved, 2 unsolved in 45038 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 434/434 constraints, ReadFeed: 69/400 constraints, PredecessorRefiner: 2/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/53 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 6/59 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/59 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 127/186 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/186 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 4613/4799 variables, 186/188 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/4799 variables, 69/257 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/4799 variables, 0/257 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,6 properties remain. new max is 16384
SDD size :1.47334e+07 after 1.77347e+07
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 5379/5379 variables, and 505 constraints, problems are : Problem set: 0 solved, 2 unsolved in 45026 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 434/434 constraints, ReadFeed: 69/400 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 90231ms problems are : Problem set: 0 solved, 2 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 53 out of 434 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 434/434 places, 7286/7286 transitions.
Applied a total of 0 rules in 305 ms. Remains 434 /434 variables (removed 0) and now considering 7286/7286 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 317 ms. Remains : 434/434 places, 7286/7286 transitions.
RANDOM walk for 40009 steps (341 resets) in 455 ms. (87 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (54 resets) in 202 ms. (197 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (58 resets) in 92 ms. (430 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 130719 steps, run timeout after 3001 ms. (steps per millisecond=43 ) properties seen :0 out of 2
Probabilistic random walk after 130719 steps, saw 101582 distinct states, run finished after 3007 ms. (steps per millisecond=43 ) properties seen :0
[2025-06-01 07:33:43] [INFO ] Flow matrix only has 4945 transitions (discarded 2341 similar events)
[2025-06-01 07:33:43] [INFO ] Invariant cache hit.
[2025-06-01 07:33:43] [INFO ] State equation strengthened by 400 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/53 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 6/59 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/59 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 127/186 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/186 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 4613/4799 variables, 186/188 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/4799 variables, 69/257 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/4799 variables, 0/257 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,6 properties remain. new max is 32768
SDD size :1.77347e+07 after 1.8527e+07
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 5379/5379 variables, and 505 constraints, problems are : Problem set: 0 solved, 2 unsolved in 75028 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 434/434 constraints, ReadFeed: 69/400 constraints, PredecessorRefiner: 2/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/53 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 6/59 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/59 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 127/186 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/186 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 4613/4799 variables, 186/188 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/4799 variables, 69/257 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/4799 variables, 0/257 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 5379/5379 variables, and 505 constraints, problems are : Problem set: 0 solved, 2 unsolved in 75016 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 434/434 constraints, ReadFeed: 69/400 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 150120ms problems are : Problem set: 0 solved, 2 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 53 out of 434 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 434/434 places, 7286/7286 transitions.
Applied a total of 0 rules in 271 ms. Remains 434 /434 variables (removed 0) and now considering 7286/7286 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 271 ms. Remains : 434/434 places, 7286/7286 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 434/434 places, 7286/7286 transitions.
Applied a total of 0 rules in 326 ms. Remains 434 /434 variables (removed 0) and now considering 7286/7286 (removed 0) transitions.
[2025-06-01 07:36:14] [INFO ] Flow matrix only has 4945 transitions (discarded 2341 similar events)
[2025-06-01 07:36:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:36:14] [INFO ] Implicit Places using invariants in 505 ms returned []
[2025-06-01 07:36:14] [INFO ] Flow matrix only has 4945 transitions (discarded 2341 similar events)
[2025-06-01 07:36:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:36:16] [INFO ] State equation strengthened by 400 read => feed constraints.
[2025-06-01 07:36:46] [INFO ] Performed 59/434 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-01 07:37:17] [INFO ] Performed 404/434 implicitness test of which 0 returned IMPLICIT in 61 seconds.
[2025-06-01 07:37:28] [INFO ] Implicit Places using invariants and state equation in 73622 ms returned []
Implicit Place search using SMT with State Equation took 74150 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 07:37:29] [INFO ] Redundant transitions in 804 ms returned []
Running 7284 sub problems to find dead transitions.
[2025-06-01 07:37:29] [INFO ] Flow matrix only has 4945 transitions (discarded 2341 similar events)
[2025-06-01 07:37:29] [INFO ] Invariant cache hit.
[2025-06-01 07:37:29] [INFO ] State equation strengthened by 400 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
SDD proceeding with computation,6 properties remain. new max is 65536
SDD size :1.8527e+07 after 1.3143e+08
At refinement iteration 0 (INCLUDED_ONLY) 0/434 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7284 unsolved
SMT process timed out in 47152ms, After SMT, problems are : Problem set: 0 solved, 7284 unsolved
Search for dead transitions found 0 dead transitions in 47194ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 122507 ms. Remains : 434/434 places, 7286/7286 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 2341 transitions
Reduce isomorphic transitions removed 2341 transitions.
Iterating post reduction 0 with 2341 rules applied. Total rules applied 2341 place count 434 transition count 4945
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 4 Pre rules applied. Total rules applied 2341 place count 434 transition count 4941
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 1 with 8 rules applied. Total rules applied 2349 place count 430 transition count 4941
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 2351 place count 429 transition count 4940
Free-agglomeration rule applied 1 times.
Iterating global reduction 1 with 1 rules applied. Total rules applied 2352 place count 429 transition count 4939
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2353 place count 428 transition count 4939
Applied a total of 2353 rules in 257 ms. Remains 428 /434 variables (removed 6) and now considering 4939/7286 (removed 2347) transitions.
Running SMT prover for 2 properties.
// Phase 1: matrix 4939 rows 428 cols
[2025-06-01 07:38:16] [INFO ] Computed 2 invariants in 57 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 07:38:17] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2025-06-01 07:38:17] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-01 07:38:19] [INFO ] After 2693ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 07:38:19] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-01 07:38:19] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:38:22] [INFO ] After 2564ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
[2025-06-01 07:38:24] [INFO ] After 5023ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
[2025-06-01 07:38:26] [INFO ] After 6483ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Over-approximation ignoring read arcs solved 0 properties in 9534 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2025-06-01 07:38:26] [INFO ] Flatten gal took : 202 ms
[2025-06-01 07:38:26] [INFO ] Applying decomposition
[2025-06-01 07:38:26] [INFO ] Flatten gal took : 196 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph18255733217072514083.txt' '-o' '/tmp/graph18255733217072514083.bin' '-w' '/tmp/graph18255733217072514083.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph18255733217072514083.bin' '-l' '-1' '-v' '-w' '/tmp/graph18255733217072514083.weights' '-q' '0' '-e' '0.001'
[2025-06-01 07:38:27] [INFO ] Decomposing Gal with order
[2025-06-01 07:38:27] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 07:38:28] [INFO ] Removed a total of 17779 redundant transitions.
[2025-06-01 07:38:28] [INFO ] Flatten gal took : 579 ms
[2025-06-01 07:38:28] [INFO ] Fuse similar labels procedure discarded/fused a total of 981 labels/synchronizations in 328 ms.
[2025-06-01 07:38:28] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12200932614239357800.gal : 39 ms
[2025-06-01 07:38:28] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7436877415278210407.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality12200932614239357800.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7436877415278210407.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality7436877415278210407.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 355
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :355 after 2822
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :2822 after 22554
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :22554 after 22796
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :22796 after 118794
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :118794 after 119067
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :119067 after 468822
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :468822 after 1.3939e+06
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :1.3939e+06 after 3.14031e+06
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :3.14031e+06 after 6.74473e+06
Detected timeout of ITS tools.
[2025-06-01 08:08:29] [INFO ] Flatten gal took : 173 ms
Using solver Z3 to compute partial order matrices.
Built C files in :
/tmp/ltsmin11116076177810566261
[2025-06-01 08:08:29] [INFO ] Too many transitions (7286) to apply POR reductions. Disabling POR matrices.
[2025-06-01 08:08:29] [INFO ] Applying decomposition
[2025-06-01 08:08:29] [INFO ] Built C files in 207ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin11116076177810566261
Running compilation step : cd /tmp/ltsmin11116076177810566261;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '360' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
[2025-06-01 08:08:29] [INFO ] Flatten gal took : 171 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph4215476059595126348.txt' '-o' '/tmp/graph4215476059595126348.bin' '-w' '/tmp/graph4215476059595126348.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph4215476059595126348.bin' '-l' '-1' '-v' '-w' '/tmp/graph4215476059595126348.weights' '-q' '0' '-e' '0.001'
[2025-06-01 08:08:30] [INFO ] Decomposing Gal with order
[2025-06-01 08:08:30] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 08:08:30] [INFO ] Removed a total of 17792 redundant transitions.
[2025-06-01 08:08:30] [INFO ] Flatten gal took : 361 ms
[2025-06-01 08:08:31] [INFO ] Fuse similar labels procedure discarded/fused a total of 975 labels/synchronizations in 269 ms.
[2025-06-01 08:08:31] [INFO ] Time to serialize gal into /tmp/ReachabilityFireability12623291815011845836.gal : 24 ms
[2025-06-01 08:08:31] [INFO ] Time to serialize properties into /tmp/ReachabilityFireability5081202117167092970.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityFireability12623291815011845836.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityFireability5081202117167092970.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityFireability5081202117167092970.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 1
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :1 after 1
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :1 after 44
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :44 after 231
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :231 after 15222
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :15222 after 90644
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :90644 after 230498
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :230498 after 317598
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :317598 after 337696
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :337696 after 341843
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :341843 after 1.46815e+06
Compilation finished in 27596 ms.
Running link step : cd /tmp/ltsmin11116076177810566261;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 79 ms.
Running LTSmin : cd /tmp/ltsmin11116076177810566261;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '-i' 'DoubleLockPTp1s2ReachabilityFireability202504==true'
WARNING : LTSmin timed out (>900 s) on command cd /tmp/ltsmin11116076177810566261;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '-i' 'DoubleLockPTp1s2ReachabilityFireability202504==true'
Running LTSmin : cd /tmp/ltsmin11116076177810566261;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '-i' 'DoubleLockPTp1s2ReachabilityFireability202508==true'

BK_TIME_CONFINEMENT_REACHED

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ ReachabilityFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityFireability -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-p1s2"
export BK_EXAMINATION="ReachabilityFireability"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool itstools"
echo " Input is DoubleLock-PT-p1s2, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r072-tall-174860067600535"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DoubleLock-PT-p1s2.tgz
mv DoubleLock-PT-p1s2 execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "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 [ "ReachabilityFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "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 "ReachabilityFireability.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 '' ReachabilityFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
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 ;