fond
Model Checking Contest 2025
15th edition, Paris, France, June 24, 2025
Execution of r184-tall-174889263800279
Last Updated
June 24, 2025

About the Execution of ITS-Tools for ResIsolation-PT-N10P1

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
0.000 250652.00 0.00 0.00 TTFTTFFTTTTTTTTF normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r184-tall-174889263800279.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 ResIsolation-PT-N10P1, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r184-tall-174889263800279
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 21M
-rw-r--r-- 1 mcc users 6.2K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 61K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.2K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 44K 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 2.4K 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 16K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 172K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.7K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 72K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K 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 6 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 21M 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 ResIsolation-PT-N10P1-ReachabilityFireability-2025-00
FORMULA_NAME ResIsolation-PT-N10P1-ReachabilityFireability-2025-01
FORMULA_NAME ResIsolation-PT-N10P1-ReachabilityFireability-2025-02
FORMULA_NAME ResIsolation-PT-N10P1-ReachabilityFireability-2025-03
FORMULA_NAME ResIsolation-PT-N10P1-ReachabilityFireability-2025-04
FORMULA_NAME ResIsolation-PT-N10P1-ReachabilityFireability-2025-05
FORMULA_NAME ResIsolation-PT-N10P1-ReachabilityFireability-2025-06
FORMULA_NAME ResIsolation-PT-N10P1-ReachabilityFireability-2025-07
FORMULA_NAME ResIsolation-PT-N10P1-ReachabilityFireability-2025-08
FORMULA_NAME ResIsolation-PT-N10P1-ReachabilityFireability-2025-09
FORMULA_NAME ResIsolation-PT-N10P1-ReachabilityFireability-2025-10
FORMULA_NAME ResIsolation-PT-N10P1-ReachabilityFireability-2025-11
FORMULA_NAME ResIsolation-PT-N10P1-ReachabilityFireability-2025-12
FORMULA_NAME ResIsolation-PT-N10P1-ReachabilityFireability-2025-13
FORMULA_NAME ResIsolation-PT-N10P1-ReachabilityFireability-2025-14
FORMULA_NAME ResIsolation-PT-N10P1-ReachabilityFireability-2025-15

=== Now, execution of the tool begins

BK_START 1749021666893

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ResIsolation-PT-N10P1
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202505121319
[2025-06-04 07:21:08] [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]
[2025-06-04 07:21:08] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-04 07:21:09] [INFO ] Load time of PNML (sax parser for PT used): 858 ms
[2025-06-04 07:21:09] [INFO ] Transformed 328 places.
[2025-06-04 07:21:09] [INFO ] Transformed 18726 transitions.
[2025-06-04 07:21:09] [INFO ] Found NUPN structural information;
[2025-06-04 07:21:09] [INFO ] Parsed PT model containing 328 places and 18726 transitions and 406102 arcs in 1124 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 21 ms.
Working with output stream class java.io.PrintStream
RANDOM walk for 40000 steps (8 resets) in 11270 ms. (3 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 332 ms. (12 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 52 ms. (75 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 314 ms. (12 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 153 ms. (25 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4002 steps (8 resets) in 64 ms. (61 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 51 ms. (77 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 70 ms. (56 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 57 ms. (69 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 64 ms. (61 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 67 ms. (58 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 62 ms. (63 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 60 ms. (65 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 60 ms. (65 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 68 ms. (58 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 56 ms. (70 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 67 ms. (58 steps per ms) remains 16/16 properties
[2025-06-04 07:21:15] [INFO ] Flatten gal took : 4472 ms
[2025-06-04 07:21:17] [INFO ] Flatten gal took : 2916 ms
[2025-06-04 07:21:18] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17546625981523727977.gal : 482 ms
[2025-06-04 07:21:18] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality493664530594707949.prop : 7 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/ReachabilityCardinality17546625981523727977.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality493664530594707949.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
Interrupted probabilistic random walk after 171857 steps, run timeout after 9001 ms. (steps per millisecond=19 ) properties seen :3 out of 16
Probabilistic random walk after 171857 steps, saw 91817 distinct states, run finished after 9006 ms. (steps per millisecond=19 ) properties seen :3
FORMULA ResIsolation-PT-N10P1-ReachabilityFireability-2025-10 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA ResIsolation-PT-N10P1-ReachabilityFireability-2025-06 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA ResIsolation-PT-N10P1-ReachabilityFireability-2025-04 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
// Phase 1: matrix 18726 rows 328 cols
[2025-06-04 07:21:22] [INFO ] Computed 11 invariants in 347 ms
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
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/53 variables, 53/53 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/53 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 13 unsolved
Problem ResIsolation-PT-N10P1-ReachabilityFireability-2025-05 is UNSAT
FORMULA ResIsolation-PT-N10P1-ReachabilityFireability-2025-05 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 275/328 variables, 11/64 constraints. Problems are: Problem set: 1 solved, 12 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/328 variables, 275/339 constraints. Problems are: Problem set: 1 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/328 variables, 0/339 constraints. Problems are: Problem set: 1 solved, 12 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 19054/19054 variables, and 667 constraints, problems are : Problem set: 1 solved, 12 unsolved in 5199 ms.
Refiners :[Domain max(s): 328/328 constraints, Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 328/328 constraints, PredecessorRefiner: 13/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 12 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Problem ResIsolation-PT-N10P1-ReachabilityFireability-2025-07 is UNSAT
FORMULA ResIsolation-PT-N10P1-ReachabilityFireability-2025-07 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 0 (INCLUDED_ONLY) 0/53 variables, 53/53 constraints. Problems are: Problem set: 2 solved, 11 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/53 variables, 0/53 constraints. Problems are: Problem set: 2 solved, 11 unsolved
Loading property file /tmp/ReachabilityCardinality493664530594707949.prop.
Problem ResIsolation-PT-N10P1-ReachabilityFireability-2025-03 is UNSAT
FORMULA ResIsolation-PT-N10P1-ReachabilityFireability-2025-03 TRUE TECHNIQUES SMT_REFINEMENT
Problem ResIsolation-PT-N10P1-ReachabilityFireability-2025-13 is UNSAT
FORMULA ResIsolation-PT-N10P1-ReachabilityFireability-2025-13 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 275/328 variables, 11/64 constraints. Problems are: Problem set: 4 solved, 9 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/328 variables, 275/339 constraints. Problems are: Problem set: 4 solved, 9 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 07:21:33] [INFO ] Deduced a trap composed of 32 places in 5183 ms of which 243 ms to minimize.
SMT process timed out in 11378ms, After SMT, problems are : Problem set: 4 solved, 9 unsolved
Fused 9 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 52 out of 328 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 328/328 places, 18726/18726 transitions.
Graph (complete) has 3802 edges and 328 vertex of which 295 are kept as prefixes of interest. Removing 33 places using SCC suffix rule.115 ms
Discarding 33 places :
Also discarding 22 output transitions
Drop transitions (Output transitions of discarded places.) removed 22 transitions
Drop transitions (Empty/Sink Transition effects.) removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 26 transitions
Trivial Post-agglo rules discarded 26 transitions
Performed 26 trivial Post agglomeration. Transition count delta: 26
Iterating post reduction 0 with 37 rules applied. Total rules applied 38 place count 295 transition count 18667
Reduce places removed 26 places and 0 transitions.
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 10
Iterating post reduction 1 with 36 rules applied. Total rules applied 74 place count 269 transition count 18657
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 2 with 10 rules applied. Total rules applied 84 place count 259 transition count 18657
Performed 11 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 11 Pre rules applied. Total rules applied 84 place count 259 transition count 18646
Deduced a syphon composed of 11 places in 9 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 3 with 22 rules applied. Total rules applied 106 place count 248 transition count 18646
Discarding 170 places :
Symmetric choice reduction at 3 with 170 rule applications. Total rules 276 place count 78 transition count 18476
Iterating global reduction 3 with 170 rules applied. Total rules applied 446 place count 78 transition count 18476
Ensure Unique test removed 1413 transitions
Reduce isomorphic transitions removed 1413 transitions.
Iterating post reduction 3 with 1413 rules applied. Total rules applied 1859 place count 78 transition count 17063
Performed 9 Post agglomeration using F-continuation condition.Transition count delta: 9
Deduced a syphon composed of 9 places in 7 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 4 with 18 rules applied. Total rules applied 1877 place count 69 transition count 17054
Free-agglomeration rule applied 2 times.
Iterating global reduction 4 with 2 rules applied. Total rules applied 1879 place count 69 transition count 17052
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 1881 place count 67 transition count 17052
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 5 with 1 rules applied. Total rules applied 1882 place count 66 transition count 17051
Applied a total of 1882 rules in 11591 ms. Remains 66 /328 variables (removed 262) and now considering 17051/18726 (removed 1675) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11603 ms. Remains : 66/328 places, 17051/18726 transitions.
SDD proceeding with computation,16 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,16 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,16 properties remain. new max is 16
SDD size :10 after 16
SDD proceeding with computation,16 properties remain. new max is 32
SDD size :16 after 339
SDD proceeding with computation,16 properties remain. new max is 64
SDD size :339 after 33436
SDD proceeding with computation,16 properties remain. new max is 128
SDD size :33436 after 48972
SDD proceeding with computation,16 properties remain. new max is 256
SDD size :48972 after 98387
RANDOM walk for 40000 steps (8 resets) in 10717 ms. (3 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1097 ms. (36 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 369 ms. (108 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (8 resets) in 1357 ms. (29 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (4 resets) in 286 ms. (139 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (7 resets) in 402 ms. (99 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 407 ms. (98 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 455 ms. (87 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (4 resets) in 347 ms. (114 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (8 resets) in 1315 ms. (30 steps per ms) remains 9/9 properties
SDD proceeding with computation,16 properties remain. new max is 512
SDD size :98387 after 4.20122e+06
SDD proceeding with computation,16 properties remain. new max is 1024
SDD size :4.20122e+06 after 4.64567e+06
SDD proceeding with computation,16 properties remain. new max is 2048
SDD size :4.64567e+06 after 5.97891e+06
Interrupted probabilistic random walk after 281739 steps, run timeout after 12001 ms. (steps per millisecond=23 ) properties seen :2 out of 9
Probabilistic random walk after 281739 steps, saw 39456 distinct states, run finished after 12001 ms. (steps per millisecond=23 ) properties seen :2
FORMULA ResIsolation-PT-N10P1-ReachabilityFireability-2025-09 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA ResIsolation-PT-N10P1-ReachabilityFireability-2025-00 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
// Phase 1: matrix 17051 rows 66 cols
[2025-06-04 07:22:02] [INFO ] Computed 11 invariants in 147 ms
Excessive predecessor constraint size, skipping predecessor.
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) 0/51 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 15/66 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (OVERLAPS) 17051/17117 variables, 66/77 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/17117 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (OVERLAPS) 0/17117 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Real declared 17117/17117 variables, and 77 constraints, problems are : Problem set: 0 solved, 7 unsolved in 18103 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 66/66 constraints, PredecessorRefiner: 7/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/51 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 15/66 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (OVERLAPS) 17051/17117 variables, 66/77 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/17117 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (OVERLAPS) 0/17117 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Int declared 17117/17117 variables, and 77 constraints, problems are : Problem set: 0 solved, 7 unsolved in 23032 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 66/66 constraints, PredecessorRefiner: 7/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41425ms problems are : Problem set: 0 solved, 7 unsolved
Reachability property ResIsolation-PT-N10P1-ReachabilityFireability-2025-10 is true.
Invariant property ResIsolation-PT-N10P1-ReachabilityFireability-2025-06 does not hold.
Reachability property ResIsolation-PT-N10P1-ReachabilityFireability-2025-04 is true.
Reachability property ResIsolation-PT-N10P1-ReachabilityFireability-2025-00 is true.
SDD proceeding with computation,12 properties remain. new max is 2048
SDD size :5.97891e+06 after 4.58444e+10
SDD proceeding with computation,12 properties remain. new max is 4096
SDD size :4.58444e+10 after 4.58444e+10
FORMULA ResIsolation-PT-N10P1-ReachabilityFireability-2025-01 TRUE TECHNIQUES PARIKH_WALK
SDD proceeding with computation,12 properties remain. new max is 8192
SDD size :4.58444e+10 after 4.58445e+10
Parikh walk visited 1 properties in 54863 ms.
Support contains 51 out of 66 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 66/66 places, 17051/17051 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 65 transition count 17050
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 65 transition count 17050
Ensure Unique test removed 128 transitions
Reduce isomorphic transitions removed 128 transitions.
Iterating post reduction 0 with 128 rules applied. Total rules applied 130 place count 65 transition count 16922
Applied a total of 130 rules in 2794 ms. Remains 65 /66 variables (removed 1) and now considering 16922/17051 (removed 129) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2794 ms. Remains : 65/66 places, 16922/17051 transitions.
RANDOM walk for 40000 steps (8 resets) in 9919 ms. (4 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (8 resets) in 1288 ms. (31 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (4 resets) in 205 ms. (194 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (7 resets) in 389 ms. (102 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 345 ms. (115 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (4 resets) in 355 ms. (112 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1292 ms. (30 steps per ms) remains 6/6 properties
Interrupted probabilistic random walk after 223892 steps, run timeout after 9001 ms. (steps per millisecond=24 ) properties seen :0 out of 6
Probabilistic random walk after 223892 steps, saw 31425 distinct states, run finished after 9001 ms. (steps per millisecond=24 ) properties seen :0
// Phase 1: matrix 16922 rows 65 cols
[2025-06-04 07:23:53] [INFO ] Computed 11 invariants in 121 ms
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) 0/51 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 14/65 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 16922/16987 variables, 65/76 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/16987 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 0/16987 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 16987/16987 variables, and 76 constraints, problems are : Problem set: 0 solved, 6 unsolved in 13089 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 65/65 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 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/51 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 14/65 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 16922/16987 variables, 65/76 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/16987 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 0/16987 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 16987/16987 variables, and 76 constraints, problems are : Problem set: 0 solved, 6 unsolved in 15942 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 65/65 constraints, PredecessorRefiner: 6/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 29289ms problems are : Problem set: 0 solved, 6 unsolved
FORMULA ResIsolation-PT-N10P1-ReachabilityFireability-2025-02 FALSE TECHNIQUES PARIKH_WALK
FORMULA ResIsolation-PT-N10P1-ReachabilityFireability-2025-08 TRUE TECHNIQUES PARIKH_WALK
SDD proceeding with computation,12 properties remain. new max is 16384
SDD size :4.58445e+10 after 4.58466e+10
FORMULA ResIsolation-PT-N10P1-ReachabilityFireability-2025-14 TRUE TECHNIQUES PARIKH_WALK
FORMULA ResIsolation-PT-N10P1-ReachabilityFireability-2025-15 FALSE TECHNIQUES PARIKH_WALK
Parikh walk visited 4 properties in 25712 ms.
Support contains 46 out of 65 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 65/65 places, 16922/16922 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 62 transition count 16919
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 62 transition count 16919
Ensure Unique test removed 1024 transitions
Reduce isomorphic transitions removed 1024 transitions.
Iterating post reduction 0 with 1024 rules applied. Total rules applied 1030 place count 62 transition count 15895
Free-agglomeration rule applied 2 times.
Iterating global reduction 1 with 2 rules applied. Total rules applied 1032 place count 62 transition count 15893
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 1034 place count 60 transition count 15893
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 2 with 1 rules applied. Total rules applied 1035 place count 60 transition count 15892
Applied a total of 1035 rules in 6919 ms. Remains 60 /65 variables (removed 5) and now considering 15892/16922 (removed 1030) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6920 ms. Remains : 60/65 places, 15892/16922 transitions.
RANDOM walk for 40000 steps (8 resets) in 9510 ms. (4 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (6 resets) in 385 ms. (103 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 335 ms. (119 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 147574 steps, run timeout after 6001 ms. (steps per millisecond=24 ) properties seen :0 out of 2
Probabilistic random walk after 147574 steps, saw 24101 distinct states, run finished after 6001 ms. (steps per millisecond=24 ) properties seen :0
// Phase 1: matrix 15892 rows 60 cols
[2025-06-04 07:25:04] [INFO ] Computed 11 invariants in 101 ms
Starting Z3 with timeout 90.0 s and query timeout 9000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/46 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 14/60 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/60 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 15892/15952 variables, 60/71 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/15952 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 0/15952 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 15952/15952 variables, and 71 constraints, problems are : Problem set: 0 solved, 2 unsolved in 6072 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 60/60 constraints, PredecessorRefiner: 2/0 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 90.0 s and query timeout 9000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/46 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 14/60 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/60 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 15892/15952 variables, 60/71 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/15952 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 0/15952 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 15952/15952 variables, and 71 constraints, problems are : Problem set: 0 solved, 2 unsolved in 6059 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 60/60 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 12334ms problems are : Problem set: 0 solved, 2 unsolved
FORMULA ResIsolation-PT-N10P1-ReachabilityFireability-2025-11 TRUE TECHNIQUES PARIKH_WALK
Finished Parikh walk after 17 steps, including 0 resets, run visited all 1 properties in 6 ms. (steps per millisecond=2 )
FORMULA ResIsolation-PT-N10P1-ReachabilityFireability-2025-12 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 2 properties in 615 ms.
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 249429 ms.

BK_STOP 1749021917545

--------------------
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="ResIsolation-PT-N10P1"
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 ResIsolation-PT-N10P1, 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 r184-tall-174889263800279"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ResIsolation-PT-N10P1.tgz
mv ResIsolation-PT-N10P1 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 ;