fond
Model Checking Contest 2025
15th edition, Paris, France, June 24, 2025
Execution of r072-tall-174860066900175
Last Updated
June 24, 2025

About the Execution of ITS-Tools for DLCround-PT-06b

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
0.000 22793.00 0.00 0.00 FTTTFTTTTTFFTTFT normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r072-tall-174860066900175.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 DLCround-PT-06b, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r072-tall-174860066900175
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.3M
-rw-r--r-- 1 mcc users 6.5K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 50K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K May 29 14:32 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.6K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 21K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.4K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 95K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 99K 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 14:32 equiv_col
-rw-r--r-- 1 mcc users 4 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 813K 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 DLCround-PT-06b-ReachabilityFireability-2025-00
FORMULA_NAME DLCround-PT-06b-ReachabilityFireability-2025-01
FORMULA_NAME DLCround-PT-06b-ReachabilityFireability-2025-02
FORMULA_NAME DLCround-PT-06b-ReachabilityFireability-2025-03
FORMULA_NAME DLCround-PT-06b-ReachabilityFireability-2025-04
FORMULA_NAME DLCround-PT-06b-ReachabilityFireability-2025-05
FORMULA_NAME DLCround-PT-06b-ReachabilityFireability-2025-06
FORMULA_NAME DLCround-PT-06b-ReachabilityFireability-2025-07
FORMULA_NAME DLCround-PT-06b-ReachabilityFireability-2025-08
FORMULA_NAME DLCround-PT-06b-ReachabilityFireability-2025-09
FORMULA_NAME DLCround-PT-06b-ReachabilityFireability-2025-10
FORMULA_NAME DLCround-PT-06b-ReachabilityFireability-2025-11
FORMULA_NAME DLCround-PT-06b-ReachabilityFireability-2025-12
FORMULA_NAME DLCround-PT-06b-ReachabilityFireability-2025-13
FORMULA_NAME DLCround-PT-06b-ReachabilityFireability-2025-14
FORMULA_NAME DLCround-PT-06b-ReachabilityFireability-2025-15

=== Now, execution of the tool begins

BK_START 1748669329692

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DLCround-PT-06b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202505121319
[2025-05-31 05:28:50] [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]
[2025-05-31 05:28:50] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-31 05:28:51] [INFO ] Load time of PNML (sax parser for PT used): 177 ms
[2025-05-31 05:28:51] [INFO ] Transformed 2340 places.
[2025-05-31 05:28:51] [INFO ] Transformed 3456 transitions.
[2025-05-31 05:28:51] [INFO ] Found NUPN structural information;
[2025-05-31 05:28:51] [INFO ] Parsed PT model containing 2340 places and 3456 transitions and 9288 arcs in 362 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 16 ms.
Working with output stream class java.io.PrintStream
RANDOM walk for 40000 steps (8 resets) in 2064 ms. (19 steps per ms) remains 9/16 properties
FORMULA DLCround-PT-06b-ReachabilityFireability-2025-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCround-PT-06b-ReachabilityFireability-2025-14 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCround-PT-06b-ReachabilityFireability-2025-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCround-PT-06b-ReachabilityFireability-2025-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCround-PT-06b-ReachabilityFireability-2025-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCround-PT-06b-ReachabilityFireability-2025-04 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCround-PT-06b-ReachabilityFireability-2025-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 408 ms. (97 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1411 ms. (28 steps per ms) remains 9/9 properties
[2025-05-31 05:28:52] [INFO ] Flatten gal took : 648 ms
BEST_FIRST walk for 40004 steps (8 resets) in 185 ms. (215 steps per ms) remains 8/9 properties
FORMULA DLCround-PT-06b-ReachabilityFireability-2025-02 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 237 ms. (168 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 219 ms. (181 steps per ms) remains 8/8 properties
[2025-05-31 05:28:52] [INFO ] Flatten gal took : 254 ms
BEST_FIRST walk for 40003 steps (8 resets) in 286 ms. (139 steps per ms) remains 8/8 properties
[2025-05-31 05:28:53] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15249301420000772677.gal : 99 ms
BEST_FIRST walk for 40003 steps (8 resets) in 170 ms. (233 steps per ms) remains 8/8 properties
[2025-05-31 05:28:53] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3083472679043499859.prop : 2 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/ReachabilityCardinality15249301420000772677.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3083472679043499859.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 ...329
BEST_FIRST walk for 40004 steps (8 resets) in 232 ms. (171 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 142 ms. (279 steps per ms) remains 8/8 properties
// Phase 1: matrix 3456 rows 2340 cols
[2025-05-31 05:28:53] [INFO ] Computed 109 invariants in 47 ms
Excessive predecessor constraint size, skipping predecessor.
Loading property file /tmp/ReachabilityCardinality3083472679043499859.prop.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/330 variables, 330/330 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/330 variables, 0/330 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Problem DLCround-PT-06b-ReachabilityFireability-2025-11 is UNSAT
FORMULA DLCround-PT-06b-ReachabilityFireability-2025-11 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 1990/2320 variables, 107/437 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2320 variables, 1990/2427 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2320 variables, 0/2427 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 5 (OVERLAPS) 20/2340 variables, 2/2429 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2340 variables, 20/2449 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2340 variables, 0/2449 constraints. Problems are: Problem set: 1 solved, 7 unsolved
SDD proceeding with computation,8 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,8 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,8 properties remain. new max is 16
SDD size :10 after 36
SDD proceeding with computation,8 properties remain. new max is 32
SDD size :36 after 1583
SDD proceeding with computation,8 properties remain. new max is 64
SDD size :1583 after 21886
SDD proceeding with computation,8 properties remain. new max is 128
SDD size :21886 after 23123
SDD proceeding with computation,8 properties remain. new max is 256
SDD size :23123 after 33758
SDD proceeding with computation,8 properties remain. new max is 512
SDD size :33758 after 103849
SDD proceeding with computation,8 properties remain. new max is 1024
SDD size :103849 after 1.13271e+06
SDD proceeding with computation,8 properties remain. new max is 2048
SDD size :1.13271e+06 after 2.01676e+06
At refinement iteration 8 (OVERLAPS) 3456/5796 variables, 2340/4789 constraints. Problems are: Problem set: 1 solved, 7 unsolved
SDD proceeding with computation,8 properties remain. new max is 4096
SDD size :2.01676e+06 after 4.17096e+07
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 Real declared 5796/5796 variables, and 4789 constraints, problems are : Problem set: 1 solved, 7 unsolved in 5044 ms.
Refiners :[Domain max(s): 2340/2340 constraints, Positive P Invariants (semi-flows): 109/109 constraints, State Equation: 2340/2340 constraints, PredecessorRefiner: 8/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 7 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
SDD proceeding with computation,8 properties remain. new max is 8192
SDD size :4.17096e+07 after 1.65976e+08
At refinement iteration 0 (INCLUDED_ONLY) 0/275 variables, 275/275 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/275 variables, 0/275 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 2 (OVERLAPS) 2045/2320 variables, 107/382 constraints. Problems are: Problem set: 1 solved, 7 unsolved
SDD proceeding with computation,8 properties remain. new max is 16384
SDD size :1.65976e+08 after 7.33626e+08
At refinement iteration 3 (INCLUDED_ONLY) 0/2320 variables, 2045/2427 constraints. Problems are: Problem set: 1 solved, 7 unsolved
SDD proceeding with computation,8 properties remain. new max is 32768
SDD size :7.33626e+08 after 1.19048e+10
At refinement iteration 4 (INCLUDED_ONLY) 0/2320 variables, 0/2427 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 5 (OVERLAPS) 20/2340 variables, 2/2429 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2340 variables, 20/2449 constraints. Problems are: Problem set: 1 solved, 7 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2340/5796 variables, and 2449 constraints, problems are : Problem set: 1 solved, 7 unsolved in 5013 ms.
Refiners :[Domain max(s): 2340/2340 constraints, Positive P Invariants (semi-flows): 109/109 constraints, State Equation: 0/2340 constraints, PredecessorRefiner: 7/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10234ms problems are : Problem set: 1 solved, 7 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 275 out of 2340 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2340/2340 places, 3456/3456 transitions.
Graph (trivial) has 1744 edges and 2340 vertex of which 165 / 2340 are part of one of the 21 SCC in 7 ms
Free SCC test removed 144 places
Drop transitions (Empty/Sink Transition effects.) removed 167 transitions
Reduce isomorphic transitions removed 167 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 776 transitions
Trivial Post-agglo rules discarded 776 transitions
Performed 776 trivial Post agglomeration. Transition count delta: 776
Iterating post reduction 0 with 776 rules applied. Total rules applied 777 place count 2196 transition count 2513
Reduce places removed 776 places and 0 transitions.
Ensure Unique test removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 15 transitions
Trivial Post-agglo rules discarded 15 transitions
Performed 15 trivial Post agglomeration. Transition count delta: 15
Iterating post reduction 1 with 809 rules applied. Total rules applied 1586 place count 1420 transition count 2480
Reduce places removed 15 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 2 with 17 rules applied. Total rules applied 1603 place count 1405 transition count 2478
Reduce places removed 1 places and 0 transitions.
Performed 82 Post agglomeration using F-continuation condition.Transition count delta: 82
Iterating post reduction 3 with 83 rules applied. Total rules applied 1686 place count 1404 transition count 2396
Reduce places removed 82 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 83 rules applied. Total rules applied 1769 place count 1322 transition count 2395
Performed 85 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 85 Pre rules applied. Total rules applied 1769 place count 1322 transition count 2310
Deduced a syphon composed of 85 places in 5 ms
Reduce places removed 85 places and 0 transitions.
Iterating global reduction 5 with 170 rules applied. Total rules applied 1939 place count 1237 transition count 2310
Discarding 230 places :
Symmetric choice reduction at 5 with 230 rule applications. Total rules 2169 place count 1007 transition count 2080
Iterating global reduction 5 with 230 rules applied. Total rules applied 2399 place count 1007 transition count 2080
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 5 with 10 rules applied. Total rules applied 2409 place count 1007 transition count 2070
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 6 with 2 rules applied. Total rules applied 2411 place count 1005 transition count 2070
Performed 66 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 66 Pre rules applied. Total rules applied 2411 place count 1005 transition count 2004
Deduced a syphon composed of 66 places in 16 ms
Reduce places removed 66 places and 0 transitions.
Iterating global reduction 7 with 132 rules applied. Total rules applied 2543 place count 939 transition count 2004
Discarding 8 places :
Symmetric choice reduction at 7 with 8 rule applications. Total rules 2551 place count 931 transition count 1942
Iterating global reduction 7 with 8 rules applied. Total rules applied 2559 place count 931 transition count 1942
Performed 196 Post agglomeration using F-continuation condition.Transition count delta: 196
Deduced a syphon composed of 196 places in 3 ms
Reduce places removed 196 places and 0 transitions.
Iterating global reduction 7 with 392 rules applied. Total rules applied 2951 place count 735 transition count 1746
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 7 with 2 rules applied. Total rules applied 2953 place count 735 transition count 1744
Discarding 3 places :
Symmetric choice reduction at 8 with 3 rule applications. Total rules 2956 place count 732 transition count 1714
Iterating global reduction 8 with 3 rules applied. Total rules applied 2959 place count 732 transition count 1714
Performed 57 Post agglomeration using F-continuation condition.Transition count delta: -494
Deduced a syphon composed of 57 places in 3 ms
Reduce places removed 57 places and 0 transitions.
Iterating global reduction 8 with 114 rules applied. Total rules applied 3073 place count 675 transition count 2208
Drop transitions (Empty/Sink Transition effects.) removed 44 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 45 transitions.
Iterating post reduction 8 with 45 rules applied. Total rules applied 3118 place count 675 transition count 2163
Drop transitions (Redundant composition of simpler transitions.) removed 35 transitions
Redundant transition composition rules discarded 35 transitions
Iterating global reduction 9 with 35 rules applied. Total rules applied 3153 place count 675 transition count 2128
Free-agglomeration rule applied 85 times with reduction of 4 identical transitions.
Iterating global reduction 9 with 85 rules applied. Total rules applied 3238 place count 675 transition count 2039
Reduce places removed 85 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 66 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 67 transitions.
Iterating post reduction 9 with 152 rules applied. Total rules applied 3390 place count 590 transition count 1972
Discarding 1 places :
Symmetric choice reduction at 10 with 1 rule applications. Total rules 3391 place count 589 transition count 1961
Iterating global reduction 10 with 1 rules applied. Total rules applied 3392 place count 589 transition count 1961
Drop transitions (Redundant composition of simpler transitions.) removed 98 transitions
Redundant transition composition rules discarded 98 transitions
Iterating global reduction 10 with 98 rules applied. Total rules applied 3490 place count 589 transition count 1863
Partial Free-agglomeration rule applied 19 times.
Drop transitions (Partial Free agglomeration) removed 19 transitions
Iterating global reduction 10 with 19 rules applied. Total rules applied 3509 place count 589 transition count 1863
Applied a total of 3509 rules in 706 ms. Remains 589 /2340 variables (removed 1751) and now considering 1863/3456 (removed 1593) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 712 ms. Remains : 589/2340 places, 1863/3456 transitions.
RANDOM walk for 40000 steps (8 resets) in 1211 ms. (33 steps per ms) remains 6/7 properties
FORMULA DLCround-PT-06b-ReachabilityFireability-2025-10 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 133 ms. (298 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 227 ms. (175 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 169 ms. (235 steps per ms) remains 6/6 properties
SDD proceeding with computation,8 properties remain. new max is 65536
BEST_FIRST walk for 40004 steps (8 resets) in 112 ms. (354 steps per ms) remains 6/6 properties
SDD size :1.19048e+10 after 2.90832e+11
BEST_FIRST walk for 40003 steps (8 resets) in 146 ms. (272 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 77 ms. (512 steps per ms) remains 6/6 properties
[2025-05-31 05:29:04] [INFO ] Flow matrix only has 1524 transitions (discarded 339 similar events)
// Phase 1: matrix 1524 rows 589 cols
[2025-05-31 05:29:04] [INFO ] Computed 109 invariants in 6 ms
[2025-05-31 05:29:04] [INFO ] State equation strengthened by 210 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) 0/249 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 338/587 variables, 107/107 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/587 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 2/589 variables, 2/109 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/589 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 1524/2113 variables, 589/698 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2113 variables, 210/908 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2113 variables, 0/908 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (OVERLAPS) 0/2113 variables, 0/908 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2113/2113 variables, and 908 constraints, problems are : Problem set: 0 solved, 6 unsolved in 1383 ms.
Refiners :[Positive P Invariants (semi-flows): 109/109 constraints, State Equation: 589/589 constraints, ReadFeed: 210/210 constraints, PredecessorRefiner: 6/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/249 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 338/587 variables, 107/107 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/587 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 2/589 variables, 2/109 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/589 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 1524/2113 variables, 589/698 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2113 variables, 210/908 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 05:29:07] [INFO ] Deduced a trap along path composed of 4 places in 32 ms of which 4 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/2113 variables, 1/909 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2113 variables, 0/909 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 05:29:09] [INFO ] Deduced a trap along path composed of 2 places in 33 ms of which 2 ms to minimize.
At refinement iteration 9 (OVERLAPS) 0/2113 variables, 1/910 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/2113 variables, 0/910 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (OVERLAPS) 0/2113 variables, 0/910 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2113/2113 variables, and 910 constraints, problems are : Problem set: 0 solved, 6 unsolved in 4361 ms.
Refiners :[Positive P Invariants (semi-flows): 109/109 constraints, State Equation: 589/589 constraints, ReadFeed: 210/210 constraints, PredecessorRefiner: 6/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 5829ms problems are : Problem set: 0 solved, 6 unsolved
FORMULA DLCround-PT-06b-ReachabilityFireability-2025-05 TRUE TECHNIQUES PARIKH_WALK
FORMULA DLCround-PT-06b-ReachabilityFireability-2025-00 FALSE TECHNIQUES PARIKH_WALK
FORMULA DLCround-PT-06b-ReachabilityFireability-2025-01 TRUE TECHNIQUES PARIKH_WALK
FORMULA DLCround-PT-06b-ReachabilityFireability-2025-09 TRUE TECHNIQUES PARIKH_WALK
FORMULA DLCround-PT-06b-ReachabilityFireability-2025-12 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 5 properties in 1189 ms.
Support contains 37 out of 589 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 589/589 places, 1863/1863 transitions.
Graph (trivial) has 431 edges and 589 vertex of which 63 / 589 are part of one of the 17 SCC in 1 ms
Free SCC test removed 46 places
Drop transitions (Empty/Sink Transition effects.) removed 69 transitions
Ensure Unique test removed 22 transitions
Reduce isomorphic transitions removed 91 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 52 transitions
Trivial Post-agglo rules discarded 52 transitions
Performed 52 trivial Post agglomeration. Transition count delta: 52
Iterating post reduction 0 with 52 rules applied. Total rules applied 53 place count 543 transition count 1720
Reduce places removed 52 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 1 with 56 rules applied. Total rules applied 109 place count 491 transition count 1716
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 110 place count 490 transition count 1716
Performed 30 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 30 Pre rules applied. Total rules applied 110 place count 490 transition count 1686
Deduced a syphon composed of 30 places in 1 ms
Reduce places removed 30 places and 0 transitions.
Iterating global reduction 3 with 60 rules applied. Total rules applied 170 place count 460 transition count 1686
Drop transitions (Empty/Sink Transition effects.) removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 3 with 7 rules applied. Total rules applied 177 place count 460 transition count 1679
Discarding 37 places :
Symmetric choice reduction at 4 with 37 rule applications. Total rules 214 place count 423 transition count 1494
Iterating global reduction 4 with 37 rules applied. Total rules applied 251 place count 423 transition count 1494
Ensure Unique test removed 27 transitions
Reduce isomorphic transitions removed 27 transitions.
Iterating post reduction 4 with 27 rules applied. Total rules applied 278 place count 423 transition count 1467
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 3 Pre rules applied. Total rules applied 278 place count 423 transition count 1464
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 5 with 6 rules applied. Total rules applied 284 place count 420 transition count 1464
Performed 50 Post agglomeration using F-continuation condition with reduction of 1 identical transitions.
Deduced a syphon composed of 50 places in 0 ms
Reduce places removed 50 places and 0 transitions.
Iterating global reduction 5 with 100 rules applied. Total rules applied 384 place count 370 transition count 1413
Drop transitions (Empty/Sink Transition effects.) removed 38 transitions
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 54 transitions.
Iterating post reduction 5 with 54 rules applied. Total rules applied 438 place count 370 transition count 1359
Discarding 4 places :
Symmetric choice reduction at 6 with 4 rule applications. Total rules 442 place count 366 transition count 1314
Iterating global reduction 6 with 4 rules applied. Total rules applied 446 place count 366 transition count 1314
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 6 with 3 rules applied. Total rules applied 449 place count 366 transition count 1311
Performed 27 Post agglomeration using F-continuation condition with reduction of 2 identical transitions.
Deduced a syphon composed of 27 places in 1 ms
Reduce places removed 27 places and 0 transitions.
Iterating global reduction 7 with 54 rules applied. Total rules applied 503 place count 339 transition count 1480
Drop transitions (Empty/Sink Transition effects.) removed 48 transitions
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 53 transitions.
Iterating post reduction 7 with 53 rules applied. Total rules applied 556 place count 339 transition count 1427
Discarding 5 places :
Symmetric choice reduction at 8 with 5 rule applications. Total rules 561 place count 334 transition count 1332
Iterating global reduction 8 with 5 rules applied. Total rules applied 566 place count 334 transition count 1332
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 8 with 4 rules applied. Total rules applied 570 place count 334 transition count 1328
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -29
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 9 with 6 rules applied. Total rules applied 576 place count 331 transition count 1357
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 9 with 8 rules applied. Total rules applied 584 place count 331 transition count 1349
Drop transitions (Redundant composition of simpler transitions.) removed 171 transitions
Redundant transition composition rules discarded 171 transitions
Iterating global reduction 10 with 171 rules applied. Total rules applied 755 place count 331 transition count 1178
Discarding 7 places :
Symmetric choice reduction at 10 with 7 rule applications. Total rules 762 place count 324 transition count 1094
Iterating global reduction 10 with 7 rules applied. Total rules applied 769 place count 324 transition count 1094
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 10 with 14 rules applied. Total rules applied 783 place count 324 transition count 1080
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 11 with 2 rules applied. Total rules applied 785 place count 323 transition count 1079
Discarding 1 places :
Symmetric choice reduction at 11 with 1 rule applications. Total rules 786 place count 322 transition count 1067
Iterating global reduction 11 with 1 rules applied. Total rules applied 787 place count 322 transition count 1067
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 11 with 1 rules applied. Total rules applied 788 place count 322 transition count 1066
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 12 with 3 rules applied. Total rules applied 791 place count 322 transition count 1063
Free-agglomeration rule applied 98 times with reduction of 40 identical transitions.
Iterating global reduction 12 with 98 rules applied. Total rules applied 889 place count 322 transition count 925
Reduce places removed 98 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 219 transitions
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 227 transitions.
Iterating post reduction 12 with 325 rules applied. Total rules applied 1214 place count 224 transition count 698
Discarding 3 places :
Symmetric choice reduction at 13 with 3 rule applications. Total rules 1217 place count 221 transition count 695
Iterating global reduction 13 with 3 rules applied. Total rules applied 1220 place count 221 transition count 695
Drop transitions (Redundant composition of simpler transitions.) removed 61 transitions
Redundant transition composition rules discarded 61 transitions
Iterating global reduction 13 with 61 rules applied. Total rules applied 1281 place count 221 transition count 634
Discarding 3 places :
Symmetric choice reduction at 13 with 3 rule applications. Total rules 1284 place count 218 transition count 626
Iterating global reduction 13 with 3 rules applied. Total rules applied 1287 place count 218 transition count 626
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -2
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 13 with 2 rules applied. Total rules applied 1289 place count 217 transition count 628
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 13 with 1 rules applied. Total rules applied 1290 place count 217 transition count 627
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 13 with 1 rules applied. Total rules applied 1291 place count 217 transition count 626
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 13 with 1 rules applied. Total rules applied 1292 place count 216 transition count 626
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 14 with 1 rules applied. Total rules applied 1293 place count 216 transition count 626
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 14 with 1 rules applied. Total rules applied 1294 place count 216 transition count 625
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 14 with 2 rules applied. Total rules applied 1296 place count 215 transition count 624
Applied a total of 1296 rules in 275 ms. Remains 215 /589 variables (removed 374) and now considering 624/1863 (removed 1239) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 275 ms. Remains : 215/589 places, 624/1863 transitions.
RANDOM walk for 40000 steps (8 resets) in 610 ms. (65 steps per ms) remains 1/1 properties
BEST_FIRST walk for 10286 steps (2 resets) in 47 ms. (214 steps per ms) remains 0/1 properties
FORMULA DLCround-PT-06b-ReachabilityFireability-2025-07 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
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 21598 ms.

BK_STOP 1748669352485

--------------------
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="DLCround-PT-06b"
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 DLCround-PT-06b, 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-174860066900175"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DLCround-PT-06b.tgz
mv DLCround-PT-06b 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 ;