Execution Chart

Sorry, for this execution, no execution chart could be reported.

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r240-tall-174915589200135.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 Szymanski-PT-b02, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r240-tall-174915589200135
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 4.1M
-rw-r--r-- 1 mcc users 8.0K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 93K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.6K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 38K 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 25K 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 20K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 121K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.0K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 77K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:33 equiv_col
-rw-r--r-- 1 mcc users 4 May 29 14:33 instance
-rw-r--r-- 1 mcc users 6 May 29 14:33 iscolored
-rw-r--r-- 1 mcc users 3.7M May 29 14:33 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 Szymanski-PT-b02-ReachabilityFireability-2025-00
FORMULA_NAME Szymanski-PT-b02-ReachabilityFireability-2025-01
FORMULA_NAME Szymanski-PT-b02-ReachabilityFireability-2025-02
FORMULA_NAME Szymanski-PT-b02-ReachabilityFireability-2025-03
FORMULA_NAME Szymanski-PT-b02-ReachabilityFireability-2025-04
FORMULA_NAME Szymanski-PT-b02-ReachabilityFireability-2025-05
FORMULA_NAME Szymanski-PT-b02-ReachabilityFireability-2025-06
FORMULA_NAME Szymanski-PT-b02-ReachabilityFireability-2025-07
FORMULA_NAME Szymanski-PT-b02-ReachabilityFireability-2025-08
FORMULA_NAME Szymanski-PT-b02-ReachabilityFireability-2025-09
FORMULA_NAME Szymanski-PT-b02-ReachabilityFireability-2025-10
FORMULA_NAME Szymanski-PT-b02-ReachabilityFireability-2025-11
FORMULA_NAME Szymanski-PT-b02-ReachabilityFireability-2025-12
FORMULA_NAME Szymanski-PT-b02-ReachabilityFireability-2025-13
FORMULA_NAME Szymanski-PT-b02-ReachabilityFireability-2025-14
FORMULA_NAME Szymanski-PT-b02-ReachabilityFireability-2025-15

=== Now, execution of the tool begins

BK_START 1749174372367

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Szymanski-PT-b02
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202505121319
[2025-06-06 01:46:13] [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]
[2025-06-06 01:46:13] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-06 01:46:14] [INFO ] Load time of PNML (sax parser for PT used): 328 ms
[2025-06-06 01:46:14] [INFO ] Transformed 568 places.
[2025-06-06 01:46:14] [INFO ] Transformed 8320 transitions.
[2025-06-06 01:46:14] [INFO ] Parsed PT model containing 568 places and 8320 transitions and 33408 arcs in 499 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 21 ms.
Working with output stream class java.io.PrintStream
Deduced a syphon composed of 260 places in 21 ms
Reduce places removed 260 places and 256 transitions.
FORMULA Szymanski-PT-b02-ReachabilityFireability-2025-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40003 steps (8 resets) in 2547 ms. (15 steps per ms) remains 13/15 properties
FORMULA Szymanski-PT-b02-ReachabilityFireability-2025-06 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Szymanski-PT-b02-ReachabilityFireability-2025-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40003 steps (8 resets) in 382 ms. (104 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (8 resets) in 712 ms. (56 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 575 ms. (69 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40002 steps (8 resets) in 426 ms. (93 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (8 resets) in 301 ms. (132 steps per ms) remains 13/13 properties
[2025-06-06 01:46:15] [INFO ] Flatten gal took : 858 ms
BEST_FIRST walk for 40004 steps (8 resets) in 392 ms. (101 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40002 steps (8 resets) in 346 ms. (115 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (8 resets) in 399 ms. (100 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (8 resets) in 292 ms. (136 steps per ms) remains 13/13 properties
[2025-06-06 01:46:16] [INFO ] Flatten gal took : 387 ms
BEST_FIRST walk for 40003 steps (8 resets) in 275 ms. (144 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (8 resets) in 462 ms. (86 steps per ms) remains 13/13 properties
[2025-06-06 01:46:16] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality145820064325051986.gal : 259 ms
BEST_FIRST walk for 40004 steps (8 resets) in 306 ms. (130 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 324 ms. (123 steps per ms) remains 13/13 properties
[2025-06-06 01:46:16] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4148897463002689584.prop : 26 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/ReachabilityCardinality145820064325051986.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4148897463002689584.prop' '--nowitness' '--gen-order' 'FOLLOW'
[2025-06-06 01:46:16] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)

its-reach command run as :

// Phase 1: matrix 2733 rows 308 cols
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...327
[2025-06-06 01:46:16] [INFO ] Computed 3 invariants in 55 ms
[2025-06-06 01:46:17] [INFO ] State equation strengthened by 147 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
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
Loading property file /tmp/ReachabilityCardinality4148897463002689584.prop.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/152 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 13 unsolved
Problem Szymanski-PT-b02-ReachabilityFireability-2025-02 is UNSAT
FORMULA Szymanski-PT-b02-ReachabilityFireability-2025-02 FALSE TECHNIQUES SMT_REFINEMENT
Problem Szymanski-PT-b02-ReachabilityFireability-2025-04 is UNSAT
FORMULA Szymanski-PT-b02-ReachabilityFireability-2025-04 FALSE TECHNIQUES SMT_REFINEMENT
Problem Szymanski-PT-b02-ReachabilityFireability-2025-07 is UNSAT
FORMULA Szymanski-PT-b02-ReachabilityFireability-2025-07 TRUE TECHNIQUES SMT_REFINEMENT
Problem Szymanski-PT-b02-ReachabilityFireability-2025-08 is UNSAT
FORMULA Szymanski-PT-b02-ReachabilityFireability-2025-08 TRUE TECHNIQUES SMT_REFINEMENT
Problem Szymanski-PT-b02-ReachabilityFireability-2025-14 is UNSAT
FORMULA Szymanski-PT-b02-ReachabilityFireability-2025-14 FALSE TECHNIQUES SMT_REFINEMENT
Problem Szymanski-PT-b02-ReachabilityFireability-2025-15 is UNSAT
FORMULA Szymanski-PT-b02-ReachabilityFireability-2025-15 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 1 (OVERLAPS) 155/307 variables, 2/2 constraints. Problems are: Problem set: 6 solved, 7 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:46:18] [INFO ] Deduced a trap composed of 46 places in 749 ms of which 57 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/307 variables, 1/3 constraints. Problems are: Problem set: 6 solved, 7 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/307 variables, 0/3 constraints. Problems are: Problem set: 6 solved, 7 unsolved
At refinement iteration 4 (OVERLAPS) 1/308 variables, 1/4 constraints. Problems are: Problem set: 6 solved, 7 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/308 variables, 0/4 constraints. Problems are: Problem set: 6 solved, 7 unsolved
SDD proceeding with computation,13 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,13 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,13 properties remain. new max is 16
SDD size :10 after 55
SDD proceeding with computation,13 properties remain. new max is 32
SDD size :55 after 196
SDD proceeding with computation,13 properties remain. new max is 64
SDD size :196 after 383
SDD proceeding with computation,13 properties remain. new max is 128
SDD size :383 after 812
SDD proceeding with computation,13 properties remain. new max is 256
SDD size :812 after 1300
At refinement iteration 6 (OVERLAPS) 2733/3041 variables, 308/312 constraints. Problems are: Problem set: 6 solved, 7 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3041 variables, 147/459 constraints. Problems are: Problem set: 6 solved, 7 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3041/3041 variables, and 459 constraints, problems are : Problem set: 6 solved, 7 unsolved in 5103 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 308/308 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 13/6 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 6 solved, 7 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/78 variables, 0/0 constraints. Problems are: Problem set: 6 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 229/307 variables, 2/2 constraints. Problems are: Problem set: 6 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/307 variables, 1/3 constraints. Problems are: Problem set: 6 solved, 7 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:46:23] [INFO ] Deduced a trap composed of 60 places in 645 ms of which 54 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,13 properties remain. new max is 512
SDD size :1300 after 2777
[2025-06-06 01:46:23] [INFO ] Deduced a trap composed of 59 places in 662 ms of which 55 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
Invariant property Szymanski-PT-b02-ReachabilityFireability-2025-12 does not hold.
FORMULA Szymanski-PT-b02-ReachabilityFireability-2025-12 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Reachability property Szymanski-PT-b02-ReachabilityFireability-2025-11 is true.
FORMULA Szymanski-PT-b02-ReachabilityFireability-2025-11 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,11 properties remain. new max is 512
SDD size :2777 after 6765
SDD proceeding with computation,11 properties remain. new max is 1024
SDD size :6765 after 8639
[2025-06-06 01:46:24] [INFO ] Deduced a trap composed of 60 places in 656 ms of which 56 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,11 properties remain. new max is 2048
SDD size :8639 after 12009
[2025-06-06 01:46:25] [INFO ] Deduced a trap composed of 73 places in 589 ms of which 61 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:46:25] [INFO ] Deduced a trap composed of 75 places in 593 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:46:26] [INFO ] Deduced a trap composed of 85 places in 544 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:46:26] [INFO ] Deduced a trap composed of 138 places in 298 ms of which 7 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/307 variables, 7/10 constraints. Problems are: Problem set: 8 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/307 variables, 0/10 constraints. Problems are: Problem set: 8 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 1/308 variables, 1/11 constraints. Problems are: Problem set: 8 solved, 5 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 308/3041 variables, and 11 constraints, problems are : Problem set: 8 solved, 5 unsolved in 5008 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/308 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 2/6 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10543ms problems are : Problem set: 8 solved, 5 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 78 out of 308 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 308/308 places, 8064/8064 transitions.
Graph (complete) has 9195 edges and 308 vertex of which 306 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.18 ms
Discarding 2 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 42 transitions
Reduce isomorphic transitions removed 42 transitions.
Iterating post reduction 0 with 42 rules applied. Total rules applied 43 place count 306 transition count 8022
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 44 place count 305 transition count 7894
Iterating global reduction 1 with 1 rules applied. Total rules applied 45 place count 305 transition count 7894
Applied a total of 45 rules in 504 ms. Remains 305 /308 variables (removed 3) and now considering 7894/8064 (removed 170) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 513 ms. Remains : 305/308 places, 7894/8064 transitions.
RANDOM walk for 40003 steps (8 resets) in 559 ms. (71 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40002 steps (8 resets) in 181 ms. (219 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 183 ms. (217 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 242 ms. (164 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 400 ms. (99 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 214 ms. (186 steps per ms) remains 5/5 properties
SDD proceeding with computation,11 properties remain. new max is 4096
SDD size :12009 after 27018
Interrupted probabilistic random walk after 122326 steps, run timeout after 3001 ms. (steps per millisecond=40 ) properties seen :0 out of 5
Probabilistic random walk after 122326 steps, saw 44289 distinct states, run finished after 3010 ms. (steps per millisecond=40 ) properties seen :0
[2025-06-06 01:46:31] [INFO ] Flow matrix only has 2690 transitions (discarded 5204 similar events)
// Phase 1: matrix 2690 rows 305 cols
[2025-06-06 01:46:31] [INFO ] Computed 1 invariants in 28 ms
[2025-06-06 01:46:31] [INFO ] State equation strengthened by 147 read => feed constraints.
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) 0/78 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 227/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 2690/2995 variables, 305/306 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2995 variables, 147/453 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2995 variables, 0/453 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 0/2995 variables, 0/453 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2995/2995 variables, and 453 constraints, problems are : Problem set: 0 solved, 5 unsolved in 22923 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 5/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
Invariant property Szymanski-PT-b02-ReachabilityFireability-2025-00 does not hold.
FORMULA Szymanski-PT-b02-ReachabilityFireability-2025-00 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,10 properties remain. new max is 4096
SDD size :27018 after 48542
At refinement iteration 0 (INCLUDED_ONLY) 0/78 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 227/305 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 0/1 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 2690/2995 variables, 305/306 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2995 variables, 147/453 constraints. Problems are: Problem set: 1 solved, 4 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2995/2995 variables, and 455 constraints, problems are : Problem set: 1 solved, 4 unsolved in 45025 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 4/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 68026ms problems are : Problem set: 1 solved, 4 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 77 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7894/7894 transitions.
Applied a total of 0 rules in 221 ms. Remains 305 /305 variables (removed 0) and now considering 7894/7894 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 221 ms. Remains : 305/305 places, 7894/7894 transitions.
RANDOM walk for 40000 steps (8 resets) in 502 ms. (79 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 264 ms. (150 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 137 ms. (289 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 233 ms. (170 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 117 ms. (339 steps per ms) remains 4/4 properties
Interrupted probabilistic random walk after 133748 steps, run timeout after 3001 ms. (steps per millisecond=44 ) properties seen :0 out of 4
Probabilistic random walk after 133748 steps, saw 46905 distinct states, run finished after 3001 ms. (steps per millisecond=44 ) properties seen :0
[2025-06-06 01:47:43] [INFO ] Flow matrix only has 2690 transitions (discarded 5204 similar events)
[2025-06-06 01:47:43] [INFO ] Invariant cache hit.
[2025-06-06 01:47:43] [INFO ] State equation strengthened by 147 read => feed constraints.
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) 0/77 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 228/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 2690/2995 variables, 305/306 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2995 variables, 147/453 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2995 variables, 0/453 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 0/2995 variables, 0/453 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2995/2995 variables, and 453 constraints, problems are : Problem set: 0 solved, 4 unsolved in 12931 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 4/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/77 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 228/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 2690/2995 variables, 305/306 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2995 variables, 147/453 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Reachability property Szymanski-PT-b02-ReachabilityFireability-2025-13 is true.
FORMULA Szymanski-PT-b02-ReachabilityFireability-2025-13 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Reachability property Szymanski-PT-b02-ReachabilityFireability-2025-09 is true.
FORMULA Szymanski-PT-b02-ReachabilityFireability-2025-09 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Invariant property Szymanski-PT-b02-ReachabilityFireability-2025-05 does not hold.
FORMULA Szymanski-PT-b02-ReachabilityFireability-2025-05 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Invariant property Szymanski-PT-b02-ReachabilityFireability-2025-01 does not hold.
FORMULA Szymanski-PT-b02-ReachabilityFireability-2025-01 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,6 properties remain. new max is 4096
SDD size :48542 after 81317
After SMT solving in domain Int declared 2995/2995 variables, and 455 constraints, problems are : Problem set: 4 solved, 0 unsolved in 45685 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 4/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 58663ms problems are : Problem set: 4 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
All properties solved without resorting to model-checking.
Total runtime 148265 ms.

BK_STOP 1749174522071

--------------------
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="Szymanski-PT-b02"
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 Szymanski-PT-b02, 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 r240-tall-174915589200135"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Szymanski-PT-b02.tgz
mv Szymanski-PT-b02 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 ;