About the Execution of ITS-Tools for ViralEpidemic-PT-S08D1C2A04
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 0.000 | 3600000.00 | 0.00 | 0.00 | TTFFFFFFFTFFF??F | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r240-tall-174915590901012.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 ViralEpidemic-PT-S08D1C2A04, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r240-tall-174915590901012
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 27M
-rw-r--r-- 1 mcc users 7.4K May 29 14:48 CTLCardinality.txt
-rw-r--r-- 1 mcc users 65K May 29 14:48 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K May 29 14:48 CTLFireability.txt
-rw-r--r-- 1 mcc users 40K May 29 14:48 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:33 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.8K May 29 14:33 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.5K May 29 14:48 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K May 29 14:48 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.8K May 29 14:48 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:48 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K May 29 14:48 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 96K May 29 14:48 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.1K May 29 14:48 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 65K May 29 14:48 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K May 29 14:48 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K May 29 14:48 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:33 equiv_col
-rw-r--r-- 1 mcc users 11 May 29 14:33 instance
-rw-r--r-- 1 mcc users 6 May 29 14:33 iscolored
-rw-r--r-- 1 mcc users 27M 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 ViralEpidemic-PT-S08D1C2A04-LTLFireability-00
FORMULA_NAME ViralEpidemic-PT-S08D1C2A04-LTLFireability-01
FORMULA_NAME ViralEpidemic-PT-S08D1C2A04-LTLFireability-02
FORMULA_NAME ViralEpidemic-PT-S08D1C2A04-LTLFireability-03
FORMULA_NAME ViralEpidemic-PT-S08D1C2A04-LTLFireability-04
FORMULA_NAME ViralEpidemic-PT-S08D1C2A04-LTLFireability-05
FORMULA_NAME ViralEpidemic-PT-S08D1C2A04-LTLFireability-06
FORMULA_NAME ViralEpidemic-PT-S08D1C2A04-LTLFireability-07
FORMULA_NAME ViralEpidemic-PT-S08D1C2A04-LTLFireability-08
FORMULA_NAME ViralEpidemic-PT-S08D1C2A04-LTLFireability-09
FORMULA_NAME ViralEpidemic-PT-S08D1C2A04-LTLFireability-10
FORMULA_NAME ViralEpidemic-PT-S08D1C2A04-LTLFireability-11
FORMULA_NAME ViralEpidemic-PT-S08D1C2A04-LTLFireability-12
FORMULA_NAME ViralEpidemic-PT-S08D1C2A04-LTLFireability-13
FORMULA_NAME ViralEpidemic-PT-S08D1C2A04-LTLFireability-14
FORMULA_NAME ViralEpidemic-PT-S08D1C2A04-LTLFireability-15
=== Now, execution of the tool begins
BK_START 1749308045619
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ViralEpidemic-PT-S08D1C2A04
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-06-07 14:54:07] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-07 14:54:07] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-07 14:54:08] [INFO ] Load time of PNML (sax parser for PT used): 1181 ms
[2025-06-07 14:54:08] [INFO ] Transformed 46811 places.
[2025-06-07 14:54:08] [INFO ] Transformed 79577 transitions.
[2025-06-07 14:54:08] [INFO ] Parsed PT model containing 46811 places and 79577 transitions and 191921 arcs in 1547 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 29 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
FORMULA ViralEpidemic-PT-S08D1C2A04-LTLFireability-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ViralEpidemic-PT-S08D1C2A04-LTLFireability-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 70 out of 46811 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 46811/46811 places, 79577/79577 transitions.
Discarding 4539 places :
Symmetric choice reduction at 0 with 4539 rule applications. Total rules 4539 place count 42272 transition count 43265
Iterating global reduction 0 with 4539 rules applied. Total rules applied 9078 place count 42272 transition count 43265
Discarding 754 places :
Symmetric choice reduction at 0 with 754 rule applications. Total rules 9832 place count 41518 transition count 41757
Iterating global reduction 0 with 754 rules applied. Total rules applied 10586 place count 41518 transition count 41757
Applied a total of 10586 rules in 33514 ms. Remains 41518 /46811 variables (removed 5293) and now considering 41757/79577 (removed 37820) transitions.
// Phase 1: matrix 41757 rows 41518 cols
[2025-06-07 14:54:45] [INFO ] Invariants computation overflowed in 2091 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 14:55:19] [INFO ] Performed 12581/41518 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-07 14:55:49] [INFO ] Performed 28513/41518 implicitness test of which 0 returned IMPLICIT in 60 seconds.
[2025-06-07 14:56:11] [INFO ] Implicit Places using invariants in 88876 ms returned []
Implicit Place search using SMT only with invariants took 88934 ms to find 0 implicit places.
Running 41756 sub problems to find dead transitions.
// Phase 1: matrix 41757 rows 41518 cols
[2025-06-07 14:56:13] [INFO ] Invariants computation overflowed in 1009 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 41517/83275 variables, and 0 constraints, problems are : Problem set: 0 solved, 41756 unsolved in 30689 ms.
Refiners :[State Equation: 0/41518 constraints, PredecessorRefiner: 41756/41756 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 41756 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 41517/83275 variables, and 0 constraints, problems are : Problem set: 0 solved, 41756 unsolved in 30525 ms.
Refiners :[State Equation: 0/41518 constraints, PredecessorRefiner: 0/41756 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 216938ms problems are : Problem set: 0 solved, 41756 unsolved
Search for dead transitions found 0 dead transitions in 217183ms
Starting structural reductions in LTL mode, iteration 1 : 41518/46811 places, 41757/79577 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 339770 ms. Remains : 41518/46811 places, 41757/79577 transitions.
Support contains 70 out of 41518 places after structural reductions.
[2025-06-07 14:59:51] [INFO ] Flatten gal took : 1476 ms
[2025-06-07 14:59:52] [INFO ] Flatten gal took : 1223 ms
[2025-06-07 14:59:54] [INFO ] Input system was already deterministic with 41757 transitions.
Support contains 64 out of 41518 places (down from 70) after GAL structural reductions.
RANDOM walk for 40000 steps (10 resets) in 13260 ms. (3 steps per ms) remains 6/32 properties
BEST_FIRST walk for 40004 steps (8 resets) in 3335 ms. (11 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 3095 ms. (12 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 3066 ms. (13 steps per ms) remains 5/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 3151 ms. (12 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 3324 ms. (12 steps per ms) remains 4/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 3004 ms. (13 steps per ms) remains 4/4 properties
// Phase 1: matrix 41757 rows 41518 cols
[2025-06-07 15:00:04] [INFO ] Invariants computation overflowed in 1054 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 18/27 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/27 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 24/51 variables, 12/21 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/51 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 100/151 variables, 36/57 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/151 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 548/699 variables, 260/317 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/699 variables, 0/317 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 797/1496 variables, 288/605 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1496 variables, 0/605 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (OVERLAPS) 4278/5774 variables, 2038/2643 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/5774 variables, 0/2643 constraints. Problems are: Problem set: 0 solved, 4 unsolved
SMT process timed out in 6218ms, After SMT, problems are : Problem set: 0 solved, 4 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 9 out of 41518 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 41518/41518 places, 41757/41757 transitions.
Graph (complete) has 36694 edges and 41518 vertex of which 34 are kept as prefixes of interest. Removing 41484 places using SCC suffix rule.42 ms
Discarding 41484 places :
Also discarding 41706 output transitions
Drop transitions (Output transitions of discarded places.) removed 41706 transitions
Drop transitions (Empty/Sink Transition effects.) removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 0 with 28 rules applied. Total rules applied 29 place count 34 transition count 23
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 37 place count 26 transition count 23
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 4 Pre rules applied. Total rules applied 37 place count 26 transition count 19
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 45 place count 22 transition count 19
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 2 with 1 rules applied. Total rules applied 46 place count 21 transition count 18
Applied a total of 46 rules in 147 ms. Remains 21 /41518 variables (removed 41497) and now considering 18/41757 (removed 41739) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 147 ms. Remains : 21/41518 places, 18/41757 transitions.
RANDOM walk for 231 steps (13 resets) in 6 ms. (33 steps per ms) remains 0/4 properties
FORMULA ViralEpidemic-PT-S08D1C2A04-LTLFireability-10 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
FORMULA ViralEpidemic-PT-S08D1C2A04-LTLFireability-02 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
FORMULA ViralEpidemic-PT-S08D1C2A04-LTLFireability-15 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 41518 stabilizing places and 41757 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 41518 transition count 41757
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(F(p0))&&F((p1||X((!p2 U (G(!p2)||(!p2&&G(p0)))))))))'
Support contains 6 out of 41518 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 41518/41518 places, 41757/41757 transitions.
Discarding 58 places :
Symmetric choice reduction at 0 with 58 rule applications. Total rules 58 place count 41460 transition count 41656
Iterating global reduction 0 with 58 rules applied. Total rules applied 116 place count 41460 transition count 41656
Applied a total of 116 rules in 12824 ms. Remains 41460 /41518 variables (removed 58) and now considering 41656/41757 (removed 101) transitions.
// Phase 1: matrix 41656 rows 41460 cols
[2025-06-07 15:00:23] [INFO ] Invariants computation overflowed in 1030 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:00:58] [INFO ] Performed 16119/41460 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-07 15:01:28] [INFO ] Performed 31568/41460 implicitness test of which 0 returned IMPLICIT in 60 seconds.
[2025-06-07 15:01:50] [INFO ] Implicit Places using invariants in 87354 ms returned []
Implicit Place search using SMT only with invariants took 87360 ms to find 0 implicit places.
Running 41655 sub problems to find dead transitions.
// Phase 1: matrix 41656 rows 41460 cols
[2025-06-07 15:01:51] [INFO ] Invariants computation overflowed in 1285 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 41459/83116 variables, and 0 constraints, problems are : Problem set: 0 solved, 41655 unsolved in 30521 ms.
Refiners :[State Equation: 0/41460 constraints, PredecessorRefiner: 41655/41655 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 41655 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 41459/83116 variables, and 0 constraints, problems are : Problem set: 0 solved, 41655 unsolved in 30494 ms.
Refiners :[State Equation: 0/41460 constraints, PredecessorRefiner: 0/41655 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 212250ms problems are : Problem set: 0 solved, 41655 unsolved
Search for dead transitions found 0 dead transitions in 212388ms
Starting structural reductions in LTL mode, iteration 1 : 41460/41518 places, 41656/41757 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 312675 ms. Remains : 41460/41518 places, 41656/41757 transitions.
Stuttering acceptance computed with spot in 342 ms :[(OR (NOT p0) (AND (NOT p1) p2)), (NOT p0), (AND (NOT p1) p2), (AND (NOT p1) (NOT p0) p2)]
Running random walk in product with property : ViralEpidemic-PT-S08D1C2A04-LTLFireability-00
Product exploration timeout after 46340 steps with 30 reset in 10002 ms.
Product exploration timeout after 40530 steps with 30 reset in 10003 ms.
Computed a total of 41460 stabilizing places and 41656 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 41460 transition count 41656
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Knowledge obtained : [(AND (NOT p1) p0 (NOT p2)), (X (NOT p2)), (X p0), (X (NOT (AND (NOT p1) p2))), (X (NOT (AND (NOT p1) (NOT p0) (NOT p2)))), (X (NOT p1)), (X (AND (NOT p1) p0 (NOT p2))), (X (X (NOT p2))), (X (X (NOT (AND (NOT p1) (NOT p0) p2)))), (X (X p0)), (X (X (NOT (AND (NOT p1) p0 p2)))), (X (X (NOT (AND (NOT p1) p2)))), (X (X (NOT (AND (NOT p1) (NOT p0) (NOT p2))))), (X (X (NOT p1))), (X (X (AND (NOT p1) p0 (NOT p2)))), (F (G (NOT p1))), (F (G p0)), (F (G (NOT p2)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 18 factoid took 26 ms. Reduced automaton from 4 states, 10 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ViralEpidemic-PT-S08D1C2A04-LTLFireability-00 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ViralEpidemic-PT-S08D1C2A04-LTLFireability-00 finished in 544734 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((F(p0)&&X(X(X(X(F(p1)))))))))'
Support contains 4 out of 41518 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 41518/41518 places, 41757/41757 transitions.
Discarding 60 places :
Symmetric choice reduction at 0 with 60 rule applications. Total rules 60 place count 41458 transition count 41653
Iterating global reduction 0 with 60 rules applied. Total rules applied 120 place count 41458 transition count 41653
Applied a total of 120 rules in 14855 ms. Remains 41458 /41518 variables (removed 60) and now considering 41653/41757 (removed 104) transitions.
// Phase 1: matrix 41653 rows 41458 cols
[2025-06-07 15:09:30] [INFO ] Invariants computation overflowed in 1140 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:10:04] [INFO ] Performed 14520/41458 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-07 15:10:34] [INFO ] Performed 31776/41458 implicitness test of which 0 returned IMPLICIT in 60 seconds.
[2025-06-07 15:10:50] [INFO ] Implicit Places using invariants in 80880 ms returned []
Implicit Place search using SMT only with invariants took 80881 ms to find 0 implicit places.
Running 41652 sub problems to find dead transitions.
// Phase 1: matrix 41653 rows 41458 cols
[2025-06-07 15:10:51] [INFO ] Invariants computation overflowed in 1071 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 41457/83111 variables, and 0 constraints, problems are : Problem set: 0 solved, 41652 unsolved in 30471 ms.
Refiners :[State Equation: 0/41458 constraints, PredecessorRefiner: 41652/41652 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 41652 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 41457/83111 variables, and 0 constraints, problems are : Problem set: 0 solved, 41652 unsolved in 30500 ms.
Refiners :[State Equation: 0/41458 constraints, PredecessorRefiner: 0/41652 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 211058ms problems are : Problem set: 0 solved, 41652 unsolved
Search for dead transitions found 0 dead transitions in 211227ms
Starting structural reductions in LTL mode, iteration 1 : 41458/41518 places, 41653/41757 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 307037 ms. Remains : 41458/41518 places, 41653/41757 transitions.
Stuttering acceptance computed with spot in 334 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0)), (NOT p0), (NOT p1), (NOT p1), (NOT p1), (NOT p1)]
Running random walk in product with property : ViralEpidemic-PT-S08D1C2A04-LTLFireability-01
Product exploration timeout after 84630 steps with 12090 reset in 10002 ms.
Product exploration timeout after 72100 steps with 10300 reset in 10001 ms.
Computed a total of 41458 stabilizing places and 41653 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 41458 transition count 41653
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Knowledge obtained : [(AND p0 p1), (X (X p0)), (F (G p0)), (F (G p1))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 4 factoid took 23 ms. Reduced automaton from 8 states, 9 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ViralEpidemic-PT-S08D1C2A04-LTLFireability-01 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ViralEpidemic-PT-S08D1C2A04-LTLFireability-01 finished in 525840 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 2 out of 41518 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 41518/41518 places, 41757/41757 transitions.
Graph (complete) has 36694 edges and 41518 vertex of which 34 are kept as prefixes of interest. Removing 41484 places using SCC suffix rule.48 ms
Discarding 41484 places :
Also discarding 41695 output transitions
Drop transitions (Output transitions of discarded places.) removed 41695 transitions
Reduce places removed 1 places and 1 transitions.
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 6 place count 33 transition count 56
Discarding 16 places :
Symmetric choice reduction at 1 with 16 rule applications. Total rules 22 place count 17 transition count 24
Iterating global reduction 1 with 16 rules applied. Total rules applied 38 place count 17 transition count 24
Applied a total of 38 rules in 93 ms. Remains 17 /41518 variables (removed 41501) and now considering 24/41757 (removed 41733) transitions.
// Phase 1: matrix 24 rows 17 cols
[2025-06-07 15:18:00] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:18:00] [INFO ] Implicit Places using invariants in 23 ms returned []
[2025-06-07 15:18:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:18:00] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 51 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 15:18:00] [INFO ] Redundant transitions in 14 ms returned [19, 21, 23]
Found 3 redundant transitions using SMT.
Drop transitions (Redundant Transitions using SMT with State Equation) removed 3 transitions
Redundant transitions reduction (with SMT) removed 3 transitions.
Running 16 sub problems to find dead transitions.
// Phase 1: matrix 21 rows 17 cols
[2025-06-07 15:18:00] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (OVERLAPS) 18/32 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/32 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (OVERLAPS) 2/34 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/34 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (OVERLAPS) 2/36 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/36 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (OVERLAPS) 0/36 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/38 variables, and 16 constraints, problems are : Problem set: 0 solved, 16 unsolved in 251 ms.
Refiners :[State Equation: 16/17 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 16 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (OVERLAPS) 18/32 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/32 variables, 16/30 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/32 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 2/34 variables, 1/31 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/34 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (OVERLAPS) 2/36 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 8 (OVERLAPS) 0/36 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/38 variables, and 32 constraints, problems are : Problem set: 0 solved, 16 unsolved in 223 ms.
Refiners :[State Equation: 16/17 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 478ms problems are : Problem set: 0 solved, 16 unsolved
Search for dead transitions found 0 dead transitions in 478ms
Starting structural reductions in SI_LTL mode, iteration 1 : 17/41518 places, 21/41757 transitions.
Graph (complete) has 9 edges and 17 vertex of which 14 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.0 ms
Discarding 3 places :
Also discarding 3 output transitions
Drop transitions (Output transitions of discarded places.) removed 3 transitions
Applied a total of 1 rules in 1 ms. Remains 14 /17 variables (removed 3) and now considering 18/21 (removed 3) transitions.
// Phase 1: matrix 18 rows 14 cols
[2025-06-07 15:18:01] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:18:01] [INFO ] Implicit Places using invariants in 17 ms returned []
[2025-06-07 15:18:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:18:01] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 42 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 14/41518 places, 18/41757 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 691 ms. Remains : 14/41518 places, 18/41757 transitions.
Stuttering acceptance computed with spot in 31 ms :[(NOT p0)]
Running random walk in product with property : ViralEpidemic-PT-S08D1C2A04-LTLFireability-03
Stuttering criterion allowed to conclude after 24 steps with 0 reset in 1 ms.
FORMULA ViralEpidemic-PT-S08D1C2A04-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S08D1C2A04-LTLFireability-03 finished in 760 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((F(p0)&&G(F((!p1 U (p2||G(!p1)))))) U X(X(X(X(p3))))))'
Support contains 8 out of 41518 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 41518/41518 places, 41757/41757 transitions.
Discarding 56 places :
Symmetric choice reduction at 0 with 56 rule applications. Total rules 56 place count 41462 transition count 41659
Iterating global reduction 0 with 56 rules applied. Total rules applied 112 place count 41462 transition count 41659
Applied a total of 112 rules in 12658 ms. Remains 41462 /41518 variables (removed 56) and now considering 41659/41757 (removed 98) transitions.
// Phase 1: matrix 41659 rows 41462 cols
[2025-06-07 15:18:15] [INFO ] Invariants computation overflowed in 1085 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:18:49] [INFO ] Performed 16949/41462 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-07 15:19:19] [INFO ] Performed 35652/41462 implicitness test of which 0 returned IMPLICIT in 60 seconds.
[2025-06-07 15:19:29] [INFO ] Implicit Places using invariants in 75118 ms returned []
Implicit Place search using SMT only with invariants took 75121 ms to find 0 implicit places.
Running 41658 sub problems to find dead transitions.
// Phase 1: matrix 41659 rows 41462 cols
[2025-06-07 15:19:30] [INFO ] Invariants computation overflowed in 1064 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 41461/83121 variables, and 0 constraints, problems are : Problem set: 0 solved, 41658 unsolved in 30480 ms.
Refiners :[State Equation: 0/41462 constraints, PredecessorRefiner: 41658/41658 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 41658 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 41461/83121 variables, and 0 constraints, problems are : Problem set: 0 solved, 41658 unsolved in 30531 ms.
Refiners :[State Equation: 0/41462 constraints, PredecessorRefiner: 0/41658 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 226247ms problems are : Problem set: 0 solved, 41658 unsolved
Search for dead transitions found 0 dead transitions in 226353ms
Starting structural reductions in LTL mode, iteration 1 : 41462/41518 places, 41659/41757 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 314194 ms. Remains : 41462/41518 places, 41659/41757 transitions.
Stuttering acceptance computed with spot in 863 ms :[(NOT p3), (AND (NOT p0) (NOT p3)), (NOT p3), (AND (NOT p0) (NOT p3)), (NOT p3), (AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3)), (NOT p3), (AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3)), (NOT p3), (NOT p0), (AND (NOT p2) p1), (AND (NOT p2) p1)]
Running random walk in product with property : ViralEpidemic-PT-S08D1C2A04-LTLFireability-04
Stuttering criterion allowed to conclude after 3543 steps with 0 reset in 746 ms.
FORMULA ViralEpidemic-PT-S08D1C2A04-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S08D1C2A04-LTLFireability-04 finished in 315923 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(F(p0))&&F(p1)))'
Support contains 3 out of 41518 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 41518/41518 places, 41757/41757 transitions.
Discarding 62 places :
Symmetric choice reduction at 0 with 62 rule applications. Total rules 62 place count 41456 transition count 41650
Iterating global reduction 0 with 62 rules applied. Total rules applied 124 place count 41456 transition count 41650
Applied a total of 124 rules in 13154 ms. Remains 41456 /41518 variables (removed 62) and now considering 41650/41757 (removed 107) transitions.
// Phase 1: matrix 41650 rows 41456 cols
[2025-06-07 15:23:31] [INFO ] Invariants computation overflowed in 1040 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:24:05] [INFO ] Performed 16306/41456 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-07 15:24:35] [INFO ] Performed 31482/41456 implicitness test of which 0 returned IMPLICIT in 60 seconds.
[2025-06-07 15:24:56] [INFO ] Implicit Places using invariants in 85913 ms returned []
Implicit Place search using SMT only with invariants took 85915 ms to find 0 implicit places.
Running 41649 sub problems to find dead transitions.
// Phase 1: matrix 41650 rows 41456 cols
[2025-06-07 15:24:57] [INFO ] Invariants computation overflowed in 923 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 41455/83106 variables, and 0 constraints, problems are : Problem set: 0 solved, 41649 unsolved in 30437 ms.
Refiners :[State Equation: 0/41456 constraints, PredecessorRefiner: 41649/41649 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 41649 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 41455/83106 variables, and 0 constraints, problems are : Problem set: 0 solved, 41649 unsolved in 30491 ms.
Refiners :[State Equation: 0/41456 constraints, PredecessorRefiner: 0/41649 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 214369ms problems are : Problem set: 0 solved, 41649 unsolved
Search for dead transitions found 0 dead transitions in 214480ms
Starting structural reductions in LTL mode, iteration 1 : 41456/41518 places, 41650/41757 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 313607 ms. Remains : 41456/41518 places, 41650/41757 transitions.
Stuttering acceptance computed with spot in 99 ms :[(OR (NOT p1) (NOT p0)), (NOT p0), (NOT p1)]
Running random walk in product with property : ViralEpidemic-PT-S08D1C2A04-LTLFireability-05
Stuttering criterion allowed to conclude after 3725 steps with 0 reset in 966 ms.
FORMULA ViralEpidemic-PT-S08D1C2A04-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S08D1C2A04-LTLFireability-05 finished in 314761 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((p0||(F((p1||X(X(!p0)))) U X(p2)))))'
Support contains 6 out of 41518 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 41518/41518 places, 41757/41757 transitions.
Discarding 58 places :
Symmetric choice reduction at 0 with 58 rule applications. Total rules 58 place count 41460 transition count 41656
Iterating global reduction 0 with 58 rules applied. Total rules applied 116 place count 41460 transition count 41656
Applied a total of 116 rules in 12520 ms. Remains 41460 /41518 variables (removed 58) and now considering 41656/41757 (removed 101) transitions.
// Phase 1: matrix 41656 rows 41460 cols
[2025-06-07 15:28:45] [INFO ] Invariants computation overflowed in 1089 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:29:19] [INFO ] Performed 15681/41460 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-07 15:29:49] [INFO ] Performed 34033/41460 implicitness test of which 0 returned IMPLICIT in 60 seconds.
[2025-06-07 15:30:02] [INFO ] Implicit Places using invariants in 77596 ms returned []
Implicit Place search using SMT only with invariants took 77606 ms to find 0 implicit places.
Running 41655 sub problems to find dead transitions.
// Phase 1: matrix 41656 rows 41460 cols
[2025-06-07 15:30:03] [INFO ] Invariants computation overflowed in 975 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 41459/83116 variables, and 0 constraints, problems are : Problem set: 0 solved, 41655 unsolved in 30522 ms.
Refiners :[State Equation: 0/41460 constraints, PredecessorRefiner: 41655/41655 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 41655 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 41459/83116 variables, and 0 constraints, problems are : Problem set: 0 solved, 41655 unsolved in 30488 ms.
Refiners :[State Equation: 0/41460 constraints, PredecessorRefiner: 0/41655 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 227059ms problems are : Problem set: 0 solved, 41655 unsolved
Search for dead transitions found 0 dead transitions in 227166ms
Starting structural reductions in LTL mode, iteration 1 : 41460/41518 places, 41656/41757 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 317343 ms. Remains : 41460/41518 places, 41656/41757 transitions.
Stuttering acceptance computed with spot in 161 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p2) p0), (NOT p2), (AND p0 (NOT p1))]
Running random walk in product with property : ViralEpidemic-PT-S08D1C2A04-LTLFireability-06
Product exploration timeout after 71720 steps with 15962 reset in 10004 ms.
Product exploration timeout after 62740 steps with 13969 reset in 10001 ms.
Computed a total of 41460 stabilizing places and 41656 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 41460 transition count 41656
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Knowledge obtained : [(AND (NOT p0) (NOT p1) (NOT p2)), (X (NOT p2)), (X (AND (NOT p1) (NOT p2))), (X (NOT p1)), (X (X (NOT p2))), (X (X (AND (NOT p1) (NOT p2)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p0))), (X (X (NOT p1))), (F (G (NOT p0))), (F (G (NOT p1))), (F (G (NOT p2)))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 12 factoid took 307 ms. Reduced automaton from 4 states, 7 edges and 3 AP (stutter sensitive) to 2 states, 3 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 75 ms :[(AND (NOT p0) (NOT p2)), (NOT p2)]
RANDOM walk for 34514 steps (7 resets) in 10758 ms. (3 steps per ms) remains 0/2 properties
Knowledge obtained : [(AND (NOT p0) (NOT p1) (NOT p2)), (X (NOT p2)), (X (AND (NOT p1) (NOT p2))), (X (NOT p1)), (X (X (NOT p2))), (X (X (AND (NOT p1) (NOT p2)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p0))), (X (X (NOT p1))), (F (G (NOT p0))), (F (G (NOT p1))), (F (G (NOT p2)))]
False Knowledge obtained : [(F p0), (F p2)]
Property proved to be false thanks to negative knowledge :(F p0)
Knowledge based reduction with 12 factoid took 398 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter insensitive) to 1 states, 1 edges and 0 AP (stutter insensitive).
FORMULA ViralEpidemic-PT-S08D1C2A04-LTLFireability-06 FALSE TECHNIQUES KNOWLEDGE
Treatment of property ViralEpidemic-PT-S08D1C2A04-LTLFireability-06 finished in 539233 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(p1))))'
Support contains 4 out of 41518 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 41518/41518 places, 41757/41757 transitions.
Graph (complete) has 36694 edges and 41518 vertex of which 55 are kept as prefixes of interest. Removing 41463 places using SCC suffix rule.24 ms
Discarding 41463 places :
Also discarding 41652 output transitions
Drop transitions (Output transitions of discarded places.) removed 41652 transitions
Reduce places removed 1 places and 1 transitions.
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 0 with 11 rules applied. Total rules applied 12 place count 54 transition count 93
Discarding 23 places :
Symmetric choice reduction at 1 with 23 rule applications. Total rules 35 place count 31 transition count 47
Iterating global reduction 1 with 23 rules applied. Total rules applied 58 place count 31 transition count 47
Applied a total of 58 rules in 67 ms. Remains 31 /41518 variables (removed 41487) and now considering 47/41757 (removed 41710) transitions.
// Phase 1: matrix 47 rows 31 cols
[2025-06-07 15:37:31] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:37:31] [INFO ] Implicit Places using invariants in 46 ms returned []
[2025-06-07 15:37:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:37:31] [INFO ] Implicit Places using invariants and state equation in 31 ms returned []
Implicit Place search using SMT with State Equation took 78 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 15:37:31] [INFO ] Redundant transitions in 15 ms returned [6, 10, 25, 29, 37, 42, 44, 46]
Found 8 redundant transitions using SMT.
Drop transitions (Redundant Transitions using SMT with State Equation) removed 8 transitions
Redundant transitions reduction (with SMT) removed 8 transitions.
Running 27 sub problems to find dead transitions.
// Phase 1: matrix 39 rows 31 cols
[2025-06-07 15:37:31] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/27 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 1 (OVERLAPS) 35/62 variables, 27/27 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/62 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 3 (OVERLAPS) 4/66 variables, 2/29 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/66 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 5 (OVERLAPS) 2/68 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/68 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 7 (OVERLAPS) 0/68 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 27 unsolved
No progress, stopping.
After SMT solving in domain Real declared 68/70 variables, and 30 constraints, problems are : Problem set: 0 solved, 27 unsolved in 479 ms.
Refiners :[State Equation: 30/31 constraints, PredecessorRefiner: 27/27 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 27 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/27 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 1 (OVERLAPS) 35/62 variables, 27/27 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/62 variables, 27/54 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/62 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 4 (OVERLAPS) 4/66 variables, 2/56 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/66 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 6 (OVERLAPS) 2/68 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/68 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 8 (OVERLAPS) 0/68 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 27 unsolved
No progress, stopping.
After SMT solving in domain Int declared 68/70 variables, and 57 constraints, problems are : Problem set: 0 solved, 27 unsolved in 425 ms.
Refiners :[State Equation: 30/31 constraints, PredecessorRefiner: 27/27 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 909ms problems are : Problem set: 0 solved, 27 unsolved
Search for dead transitions found 0 dead transitions in 910ms
Starting structural reductions in SI_LTL mode, iteration 1 : 31/41518 places, 39/41757 transitions.
Graph (complete) has 17 edges and 31 vertex of which 23 are kept as prefixes of interest. Removing 8 places using SCC suffix rule.0 ms
Discarding 8 places :
Also discarding 8 output transitions
Drop transitions (Output transitions of discarded places.) removed 8 transitions
Applied a total of 1 rules in 1 ms. Remains 23 /31 variables (removed 8) and now considering 31/39 (removed 8) transitions.
// Phase 1: matrix 31 rows 23 cols
[2025-06-07 15:37:32] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:37:32] [INFO ] Implicit Places using invariants in 15 ms returned []
[2025-06-07 15:37:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:37:32] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 46 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 23/41518 places, 31/41757 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 1122 ms. Remains : 23/41518 places, 31/41757 transitions.
Stuttering acceptance computed with spot in 90 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : ViralEpidemic-PT-S08D1C2A04-LTLFireability-08
Stuttering criterion allowed to conclude after 21 steps with 0 reset in 0 ms.
FORMULA ViralEpidemic-PT-S08D1C2A04-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S08D1C2A04-LTLFireability-08 finished in 1244 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((X(G(p1))||G(p2)||p0))))'
Support contains 6 out of 41518 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 41518/41518 places, 41757/41757 transitions.
Discarding 60 places :
Symmetric choice reduction at 0 with 60 rule applications. Total rules 60 place count 41458 transition count 41653
Iterating global reduction 0 with 60 rules applied. Total rules applied 120 place count 41458 transition count 41653
Applied a total of 120 rules in 13170 ms. Remains 41458 /41518 variables (removed 60) and now considering 41653/41757 (removed 104) transitions.
// Phase 1: matrix 41653 rows 41458 cols
[2025-06-07 15:37:46] [INFO ] Invariants computation overflowed in 1087 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:38:20] [INFO ] Performed 14969/41458 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-07 15:38:50] [INFO ] Performed 32498/41458 implicitness test of which 0 returned IMPLICIT in 60 seconds.
[2025-06-07 15:39:07] [INFO ] Implicit Places using invariants in 81883 ms returned []
Implicit Place search using SMT only with invariants took 81887 ms to find 0 implicit places.
Running 41652 sub problems to find dead transitions.
// Phase 1: matrix 41653 rows 41458 cols
[2025-06-07 15:39:08] [INFO ] Invariants computation overflowed in 1084 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 41457/83111 variables, and 0 constraints, problems are : Problem set: 0 solved, 41652 unsolved in 30463 ms.
Refiners :[State Equation: 0/41458 constraints, PredecessorRefiner: 41652/41652 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 41652 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 41457/83111 variables, and 0 constraints, problems are : Problem set: 0 solved, 41652 unsolved in 30497 ms.
Refiners :[State Equation: 0/41458 constraints, PredecessorRefiner: 0/41652 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 230840ms problems are : Problem set: 0 solved, 41652 unsolved
Search for dead transitions found 0 dead transitions in 230948ms
Starting structural reductions in LTL mode, iteration 1 : 41458/41518 places, 41653/41757 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 326074 ms. Remains : 41458/41518 places, 41653/41757 transitions.
Stuttering acceptance computed with spot in 270 ms :[true, (AND (NOT p0) (NOT p2) (NOT p1)), (NOT p1), (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p0) (NOT p2) (NOT p1))]
Running random walk in product with property : ViralEpidemic-PT-S08D1C2A04-LTLFireability-09
Product exploration timeout after 59620 steps with 19873 reset in 10001 ms.
Product exploration timeout after 53880 steps with 17960 reset in 10001 ms.
Computed a total of 41458 stabilizing places and 41653 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 41458 transition count 41653
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Knowledge obtained : [(AND p0 p2 (NOT p1)), (X (X p2)), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (NOT (AND (NOT p0) p2)))), (X (X p0)), (F (G p0)), (F (G p2)), (F (G (NOT p1)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 8 factoid took 14 ms. Reduced automaton from 7 states, 13 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ViralEpidemic-PT-S08D1C2A04-LTLFireability-09 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ViralEpidemic-PT-S08D1C2A04-LTLFireability-09 finished in 533941 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((G(p0) U p1)&&(p2||X(X(p3))))))'
Support contains 8 out of 41518 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 41518/41518 places, 41757/41757 transitions.
Discarding 56 places :
Symmetric choice reduction at 0 with 56 rule applications. Total rules 56 place count 41462 transition count 41659
Iterating global reduction 0 with 56 rules applied. Total rules applied 112 place count 41462 transition count 41659
Applied a total of 112 rules in 12830 ms. Remains 41462 /41518 variables (removed 56) and now considering 41659/41757 (removed 98) transitions.
// Phase 1: matrix 41659 rows 41462 cols
[2025-06-07 15:46:40] [INFO ] Invariants computation overflowed in 977 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:47:14] [INFO ] Performed 16333/41462 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-07 15:47:44] [INFO ] Performed 35092/41462 implicitness test of which 0 returned IMPLICIT in 60 seconds.
[2025-06-07 15:47:55] [INFO ] Implicit Places using invariants in 75888 ms returned []
Implicit Place search using SMT only with invariants took 75889 ms to find 0 implicit places.
Running 41658 sub problems to find dead transitions.
// Phase 1: matrix 41659 rows 41462 cols
[2025-06-07 15:47:56] [INFO ] Invariants computation overflowed in 974 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 41461/83121 variables, and 0 constraints, problems are : Problem set: 0 solved, 41658 unsolved in 30442 ms.
Refiners :[State Equation: 0/41462 constraints, PredecessorRefiner: 41658/41658 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 41658 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 41461/83121 variables, and 0 constraints, problems are : Problem set: 0 solved, 41658 unsolved in 30494 ms.
Refiners :[State Equation: 0/41462 constraints, PredecessorRefiner: 0/41658 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 206919ms problems are : Problem set: 0 solved, 41658 unsolved
Search for dead transitions found 0 dead transitions in 207026ms
Starting structural reductions in LTL mode, iteration 1 : 41462/41518 places, 41659/41757 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 295800 ms. Remains : 41462/41518 places, 41659/41757 transitions.
Stuttering acceptance computed with spot in 254 ms :[(OR (NOT p1) (AND (NOT p2) (NOT p3))), (OR (NOT p1) (AND (NOT p2) (NOT p3))), true, (NOT p0), (NOT p1), (NOT p3), (NOT p3)]
Running random walk in product with property : ViralEpidemic-PT-S08D1C2A04-LTLFireability-11
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 5 ms.
FORMULA ViralEpidemic-PT-S08D1C2A04-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S08D1C2A04-LTLFireability-11 finished in 296136 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X((p0 U p1))||G(p2)))'
Support contains 6 out of 41518 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 41518/41518 places, 41757/41757 transitions.
Discarding 59 places :
Symmetric choice reduction at 0 with 59 rule applications. Total rules 59 place count 41459 transition count 41661
Iterating global reduction 0 with 59 rules applied. Total rules applied 118 place count 41459 transition count 41661
Applied a total of 118 rules in 12797 ms. Remains 41459 /41518 variables (removed 59) and now considering 41661/41757 (removed 96) transitions.
// Phase 1: matrix 41661 rows 41459 cols
[2025-06-07 15:51:36] [INFO ] Invariants computation overflowed in 995 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:52:10] [INFO ] Performed 14975/41459 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-07 15:52:40] [INFO ] Performed 32363/41459 implicitness test of which 0 returned IMPLICIT in 60 seconds.
[2025-06-07 15:52:57] [INFO ] Implicit Places using invariants in 81866 ms returned []
Implicit Place search using SMT only with invariants took 81870 ms to find 0 implicit places.
Running 41660 sub problems to find dead transitions.
// Phase 1: matrix 41661 rows 41459 cols
[2025-06-07 15:52:58] [INFO ] Invariants computation overflowed in 1006 ms
BK_TIME_CONFINEMENT_REACHED
--------------------
content from stderr:
+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -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 LTLFireability -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="ViralEpidemic-PT-S08D1C2A04"
export BK_EXAMINATION="LTLFireability"
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 ViralEpidemic-PT-S08D1C2A04, examination is LTLFireability"
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-174915590901012"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/ViralEpidemic-PT-S08D1C2A04.tgz
mv ViralEpidemic-PT-S08D1C2A04 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "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 [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "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 "LTLFireability.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 '
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
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 ;