About the Execution of ITS-Tools for ViralEpidemic-PT-S04D1C1A04
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 0.000 | 294737.00 | 0.00 | 0.00 | FFFFFTFFFFFFFTFF | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r240-tall-174915590800988.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-S04D1C1A04, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r240-tall-174915590800988
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.6M
-rw-r--r-- 1 mcc users 7.8K May 29 14:48 CTLCardinality.txt
-rw-r--r-- 1 mcc users 72K May 29 14:48 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.4K May 29 14:48 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K 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 27K May 29 14:48 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.7K May 29 14:48 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 29 14:48 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K May 29 14:48 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 118K May 29 14:48 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.2K May 29 14:48 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 47K 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 1.2M 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-S04D1C1A04-LTLFireability-00
FORMULA_NAME ViralEpidemic-PT-S04D1C1A04-LTLFireability-01
FORMULA_NAME ViralEpidemic-PT-S04D1C1A04-LTLFireability-02
FORMULA_NAME ViralEpidemic-PT-S04D1C1A04-LTLFireability-03
FORMULA_NAME ViralEpidemic-PT-S04D1C1A04-LTLFireability-04
FORMULA_NAME ViralEpidemic-PT-S04D1C1A04-LTLFireability-05
FORMULA_NAME ViralEpidemic-PT-S04D1C1A04-LTLFireability-06
FORMULA_NAME ViralEpidemic-PT-S04D1C1A04-LTLFireability-07
FORMULA_NAME ViralEpidemic-PT-S04D1C1A04-LTLFireability-08
FORMULA_NAME ViralEpidemic-PT-S04D1C1A04-LTLFireability-09
FORMULA_NAME ViralEpidemic-PT-S04D1C1A04-LTLFireability-10
FORMULA_NAME ViralEpidemic-PT-S04D1C1A04-LTLFireability-11
FORMULA_NAME ViralEpidemic-PT-S04D1C1A04-LTLFireability-12
FORMULA_NAME ViralEpidemic-PT-S04D1C1A04-LTLFireability-13
FORMULA_NAME ViralEpidemic-PT-S04D1C1A04-LTLFireability-14
FORMULA_NAME ViralEpidemic-PT-S04D1C1A04-LTLFireability-15
=== Now, execution of the tool begins
BK_START 1749301824084
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-S04D1C1A04
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-06-07 13:10:25] [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 13:10:25] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-07 13:10:25] [INFO ] Load time of PNML (sax parser for PT used): 208 ms
[2025-06-07 13:10:25] [INFO ] Transformed 2047 places.
[2025-06-07 13:10:25] [INFO ] Transformed 3069 transitions.
[2025-06-07 13:10:25] [INFO ] Found NUPN structural information;
[2025-06-07 13:10:25] [INFO ] Parsed PT model containing 2047 places and 3069 transitions and 7161 arcs in 337 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 11 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
FORMULA ViralEpidemic-PT-S04D1C1A04-LTLFireability-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ViralEpidemic-PT-S04D1C1A04-LTLFireability-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 68 out of 2047 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2047/2047 places, 3069/3069 transitions.
Discarding 1053 places :
Symmetric choice reduction at 0 with 1053 rule applications. Total rules 1053 place count 994 transition count 1041
Iterating global reduction 0 with 1053 rules applied. Total rules applied 2106 place count 994 transition count 1041
Applied a total of 2106 rules in 218 ms. Remains 994 /2047 variables (removed 1053) and now considering 1041/3069 (removed 2028) transitions.
// Phase 1: matrix 1041 rows 994 cols
[2025-06-07 13:10:26] [INFO ] Invariants computation overflowed in 80 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 13:10:26] [INFO ] Implicit Places using invariants in 672 ms returned []
// Phase 1: matrix 1041 rows 994 cols
[2025-06-07 13:10:26] [INFO ] Invariants computation overflowed in 33 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 13:10:27] [INFO ] Implicit Places using invariants and state equation in 975 ms returned []
Implicit Place search using SMT with State Equation took 1687 ms to find 0 implicit places.
Running 1040 sub problems to find dead transitions.
// Phase 1: matrix 1041 rows 994 cols
[2025-06-07 13:10:27] [INFO ] Invariants computation overflowed in 20 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/993 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1040 unsolved
SMT process timed out in 30306ms, After SMT, problems are : Problem set: 0 solved, 1040 unsolved
Search for dead transitions found 0 dead transitions in 30326ms
Starting structural reductions in LTL mode, iteration 1 : 994/2047 places, 1041/3069 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 32260 ms. Remains : 994/2047 places, 1041/3069 transitions.
Support contains 68 out of 994 places after structural reductions.
[2025-06-07 13:10:58] [INFO ] Flatten gal took : 90 ms
[2025-06-07 13:10:58] [INFO ] Flatten gal took : 54 ms
[2025-06-07 13:10:58] [INFO ] Input system was already deterministic with 1041 transitions.
Support contains 66 out of 994 places (down from 68) after GAL structural reductions.
RANDOM walk for 36702 steps (201 resets) in 1544 ms. (23 steps per ms) remains 0/33 properties
FORMULA ViralEpidemic-PT-S04D1C1A04-LTLFireability-02 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
FORMULA ViralEpidemic-PT-S04D1C1A04-LTLFireability-04 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
FORMULA ViralEpidemic-PT-S04D1C1A04-LTLFireability-14 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 994 stabilizing places and 1041 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 994 transition count 1041
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' '!(F(G(p0)))'
Support contains 4 out of 994 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 994/994 places, 1041/1041 transitions.
Graph (complete) has 620 edges and 994 vertex of which 28 are kept as prefixes of interest. Removing 966 places using SCC suffix rule.3 ms
Discarding 966 places :
Also discarding 992 output transitions
Drop transitions (Output transitions of discarded places.) removed 992 transitions
Reduce places removed 1 places and 1 transitions.
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 5 place count 27 transition count 44
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 10 place count 22 transition count 32
Iterating global reduction 1 with 5 rules applied. Total rules applied 15 place count 22 transition count 32
Applied a total of 15 rules in 19 ms. Remains 22 /994 variables (removed 972) and now considering 32/1041 (removed 1009) transitions.
// Phase 1: matrix 32 rows 22 cols
[2025-06-07 13:10:59] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 13:10:59] [INFO ] Implicit Places using invariants in 23 ms returned []
[2025-06-07 13:10:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 13:10:59] [INFO ] Implicit Places using invariants and state equation in 29 ms returned []
Implicit Place search using SMT with State Equation took 54 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 13:10:59] [INFO ] Redundant transitions in 22 ms returned [5, 23]
Found 2 redundant transitions using SMT.
Drop transitions (Redundant Transitions using SMT with State Equation) removed 2 transitions
Redundant transitions reduction (with SMT) removed 2 transitions.
Running 24 sub problems to find dead transitions.
// Phase 1: matrix 30 rows 22 cols
[2025-06-07 13:10:59] [INFO ] Computed 0 invariants in 1 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 1 (OVERLAPS) 28/48 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/48 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 3 (OVERLAPS) 2/50 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/50 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 5 (OVERLAPS) 2/52 variables, 1/22 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/52 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 7 (OVERLAPS) 0/52 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 24 unsolved
No progress, stopping.
After SMT solving in domain Real declared 52/52 variables, and 22 constraints, problems are : Problem set: 0 solved, 24 unsolved in 361 ms.
Refiners :[State Equation: 22/22 constraints, PredecessorRefiner: 24/24 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 24 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 1 (OVERLAPS) 28/48 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/48 variables, 24/44 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/48 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 4 (OVERLAPS) 2/50 variables, 1/45 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/50 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 6 (OVERLAPS) 2/52 variables, 1/46 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/52 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 8 (OVERLAPS) 0/52 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 24 unsolved
No progress, stopping.
After SMT solving in domain Int declared 52/52 variables, and 46 constraints, problems are : Problem set: 0 solved, 24 unsolved in 791 ms.
Refiners :[State Equation: 22/22 constraints, PredecessorRefiner: 24/24 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1185ms problems are : Problem set: 0 solved, 24 unsolved
Search for dead transitions found 0 dead transitions in 1187ms
Starting structural reductions in SI_LTL mode, iteration 1 : 22/994 places, 30/1041 transitions.
Graph (complete) has 12 edges and 22 vertex of which 20 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.0 ms
Discarding 2 places :
Also discarding 2 output transitions
Drop transitions (Output transitions of discarded places.) removed 2 transitions
Applied a total of 1 rules in 1 ms. Remains 20 /22 variables (removed 2) and now considering 28/30 (removed 2) transitions.
// Phase 1: matrix 28 rows 20 cols
[2025-06-07 13:11:00] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 13:11:01] [INFO ] Implicit Places using invariants in 25 ms returned []
[2025-06-07 13:11:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 13:11:01] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 52 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 20/994 places, 28/1041 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 1341 ms. Remains : 20/994 places, 28/1041 transitions.
Stuttering acceptance computed with spot in 179 ms :[(NOT p0)]
Running random walk in product with property : ViralEpidemic-PT-S04D1C1A04-LTLFireability-00
Stuttering criterion allowed to conclude after 8 steps with 0 reset in 2 ms.
FORMULA ViralEpidemic-PT-S04D1C1A04-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S04D1C1A04-LTLFireability-00 finished in 1584 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) U p1) U X(X(X(G(p2))))))'
Support contains 6 out of 994 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 994/994 places, 1041/1041 transitions.
Discarding 51 places :
Symmetric choice reduction at 0 with 51 rule applications. Total rules 51 place count 943 transition count 947
Iterating global reduction 0 with 51 rules applied. Total rules applied 102 place count 943 transition count 947
Applied a total of 102 rules in 67 ms. Remains 943 /994 variables (removed 51) and now considering 947/1041 (removed 94) transitions.
// Phase 1: matrix 947 rows 943 cols
[2025-06-07 13:11:01] [INFO ] Invariants computation overflowed in 6 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 13:11:01] [INFO ] Implicit Places using invariants in 483 ms returned []
// Phase 1: matrix 947 rows 943 cols
[2025-06-07 13:11:01] [INFO ] Invariants computation overflowed in 14 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 13:11:02] [INFO ] Implicit Places using invariants and state equation in 780 ms returned []
Implicit Place search using SMT with State Equation took 1265 ms to find 0 implicit places.
Running 946 sub problems to find dead transitions.
// Phase 1: matrix 947 rows 943 cols
[2025-06-07 13:11:02] [INFO ] Invariants computation overflowed in 7 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/942 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 946 unsolved
SMT process timed out in 30167ms, After SMT, problems are : Problem set: 0 solved, 946 unsolved
Search for dead transitions found 0 dead transitions in 30170ms
Starting structural reductions in LTL mode, iteration 1 : 943/994 places, 947/1041 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 31509 ms. Remains : 943/994 places, 947/1041 transitions.
Stuttering acceptance computed with spot in 361 ms :[(AND (NOT p0) p1 (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p0), (NOT p1)]
Running random walk in product with property : ViralEpidemic-PT-S04D1C1A04-LTLFireability-01
Stuttering criterion allowed to conclude after 127 steps with 2 reset in 4 ms.
FORMULA ViralEpidemic-PT-S04D1C1A04-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S04D1C1A04-LTLFireability-01 finished in 31906 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))&&((p1 U X(p2))||G(p3)))))'
Support contains 7 out of 994 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 994/994 places, 1041/1041 transitions.
Discarding 51 places :
Symmetric choice reduction at 0 with 51 rule applications. Total rules 51 place count 943 transition count 947
Iterating global reduction 0 with 51 rules applied. Total rules applied 102 place count 943 transition count 947
Applied a total of 102 rules in 42 ms. Remains 943 /994 variables (removed 51) and now considering 947/1041 (removed 94) transitions.
// Phase 1: matrix 947 rows 943 cols
[2025-06-07 13:11:33] [INFO ] Invariants computation overflowed in 6 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 13:11:33] [INFO ] Implicit Places using invariants in 299 ms returned []
// Phase 1: matrix 947 rows 943 cols
[2025-06-07 13:11:33] [INFO ] Invariants computation overflowed in 7 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 13:11:34] [INFO ] Implicit Places using invariants and state equation in 742 ms returned []
Implicit Place search using SMT with State Equation took 1042 ms to find 0 implicit places.
Running 946 sub problems to find dead transitions.
// Phase 1: matrix 947 rows 943 cols
[2025-06-07 13:11:34] [INFO ] Invariants computation overflowed in 6 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/942 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 946 unsolved
SMT process timed out in 30128ms, After SMT, problems are : Problem set: 0 solved, 946 unsolved
Search for dead transitions found 0 dead transitions in 30130ms
Starting structural reductions in LTL mode, iteration 1 : 943/994 places, 947/1041 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 31234 ms. Remains : 943/994 places, 947/1041 transitions.
Stuttering acceptance computed with spot in 372 ms :[(OR (NOT p0) (AND (NOT p2) (NOT p3))), (OR (NOT p0) (AND (NOT p2) (NOT p3))), (NOT p0), (NOT p2), (AND (NOT p3) (NOT p2)), (NOT p2), (AND (NOT p2) (NOT p3)), true, (NOT p3)]
Running random walk in product with property : ViralEpidemic-PT-S04D1C1A04-LTLFireability-03
Stuttering criterion allowed to conclude after 169 steps with 0 reset in 7 ms.
FORMULA ViralEpidemic-PT-S04D1C1A04-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S04D1C1A04-LTLFireability-03 finished in 31637 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 994 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 994/994 places, 1041/1041 transitions.
Graph (complete) has 620 edges and 994 vertex of which 19 are kept as prefixes of interest. Removing 975 places using SCC suffix rule.4 ms
Discarding 975 places :
Also discarding 1010 output transitions
Drop transitions (Output transitions of discarded places.) removed 1010 transitions
Reduce places removed 1 places and 1 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 4 place count 18 transition count 27
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 7 place count 15 transition count 21
Iterating global reduction 1 with 3 rules applied. Total rules applied 10 place count 15 transition count 21
Applied a total of 10 rules in 8 ms. Remains 15 /994 variables (removed 979) and now considering 21/1041 (removed 1020) transitions.
// Phase 1: matrix 21 rows 15 cols
[2025-06-07 13:12:04] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 13:12:04] [INFO ] Implicit Places using invariants in 22 ms returned []
[2025-06-07 13:12:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 13:12:04] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 49 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 13:12:04] [INFO ] Redundant transitions in 12 ms returned [5, 12]
Found 2 redundant transitions using SMT.
Drop transitions (Redundant Transitions using SMT with State Equation) removed 2 transitions
Redundant transitions reduction (with SMT) removed 2 transitions.
Running 14 sub problems to find dead transitions.
// Phase 1: matrix 19 rows 15 cols
[2025-06-07 13:12:04] [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) 0/13 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 17/30 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (OVERLAPS) 2/32 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/32 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (OVERLAPS) 2/34 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/34 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 7 (OVERLAPS) 0/34 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Real declared 34/34 variables, and 15 constraints, problems are : Problem set: 0 solved, 14 unsolved in 165 ms.
Refiners :[State Equation: 15/15 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 14 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 17/30 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 14/27 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (OVERLAPS) 2/32 variables, 1/28 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/32 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (OVERLAPS) 2/34 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/34 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 8 (OVERLAPS) 0/34 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Int declared 34/34 variables, and 29 constraints, problems are : Problem set: 0 solved, 14 unsolved in 190 ms.
Refiners :[State Equation: 15/15 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 358ms problems are : Problem set: 0 solved, 14 unsolved
Search for dead transitions found 0 dead transitions in 358ms
Starting structural reductions in SI_LTL mode, iteration 1 : 15/994 places, 19/1041 transitions.
Graph (complete) has 8 edges and 15 vertex of which 13 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.0 ms
Discarding 2 places :
Also discarding 2 output transitions
Drop transitions (Output transitions of discarded places.) removed 2 transitions
Applied a total of 1 rules in 1 ms. Remains 13 /15 variables (removed 2) and now considering 17/19 (removed 2) transitions.
// Phase 1: matrix 17 rows 13 cols
[2025-06-07 13:12:05] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 13:12:05] [INFO ] Implicit Places using invariants in 21 ms returned []
[2025-06-07 13:12:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 13:12:05] [INFO ] Implicit Places using invariants and state equation in 33 ms returned []
Implicit Place search using SMT with State Equation took 56 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 13/994 places, 17/1041 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 491 ms. Remains : 13/994 places, 17/1041 transitions.
Stuttering acceptance computed with spot in 39 ms :[(NOT p0)]
Running random walk in product with property : ViralEpidemic-PT-S04D1C1A04-LTLFireability-06
Stuttering criterion allowed to conclude after 6 steps with 0 reset in 0 ms.
FORMULA ViralEpidemic-PT-S04D1C1A04-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S04D1C1A04-LTLFireability-06 finished in 549 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((p0&&X(p0)))&&(X(!p1) U (!p2 U p3)))))'
Support contains 7 out of 994 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 994/994 places, 1041/1041 transitions.
Discarding 51 places :
Symmetric choice reduction at 0 with 51 rule applications. Total rules 51 place count 943 transition count 947
Iterating global reduction 0 with 51 rules applied. Total rules applied 102 place count 943 transition count 947
Applied a total of 102 rules in 52 ms. Remains 943 /994 variables (removed 51) and now considering 947/1041 (removed 94) transitions.
// Phase 1: matrix 947 rows 943 cols
[2025-06-07 13:12:05] [INFO ] Invariants computation overflowed in 13 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 13:12:05] [INFO ] Implicit Places using invariants in 337 ms returned []
// Phase 1: matrix 947 rows 943 cols
[2025-06-07 13:12:05] [INFO ] Invariants computation overflowed in 6 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 13:12:06] [INFO ] Implicit Places using invariants and state equation in 794 ms returned []
Implicit Place search using SMT with State Equation took 1133 ms to find 0 implicit places.
Running 946 sub problems to find dead transitions.
// Phase 1: matrix 947 rows 943 cols
[2025-06-07 13:12:06] [INFO ] Invariants computation overflowed in 13 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/942 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 946 unsolved
SMT process timed out in 30146ms, After SMT, problems are : Problem set: 0 solved, 946 unsolved
Search for dead transitions found 0 dead transitions in 30148ms
Starting structural reductions in LTL mode, iteration 1 : 943/994 places, 947/1041 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 31336 ms. Remains : 943/994 places, 947/1041 transitions.
Stuttering acceptance computed with spot in 377 ms :[(OR (NOT p3) (NOT p0)), (OR (NOT p3) (NOT p0)), p1, (NOT p0), (AND (NOT p3) p2 p1), (NOT p3), true, (NOT p0), (AND (NOT p1) (NOT p3))]
Running random walk in product with property : ViralEpidemic-PT-S04D1C1A04-LTLFireability-07
Entered a terminal (fully accepting) state of product in 6 steps with 1 reset in 1 ms.
FORMULA ViralEpidemic-PT-S04D1C1A04-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S04D1C1A04-LTLFireability-07 finished in 31747 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))&&F(X(p1)))) U p1))'
Support contains 4 out of 994 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 994/994 places, 1041/1041 transitions.
Discarding 53 places :
Symmetric choice reduction at 0 with 53 rule applications. Total rules 53 place count 941 transition count 944
Iterating global reduction 0 with 53 rules applied. Total rules applied 106 place count 941 transition count 944
Applied a total of 106 rules in 44 ms. Remains 941 /994 variables (removed 53) and now considering 944/1041 (removed 97) transitions.
// Phase 1: matrix 944 rows 941 cols
[2025-06-07 13:12:37] [INFO ] Invariants computation overflowed in 15 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 13:12:37] [INFO ] Implicit Places using invariants in 374 ms returned []
// Phase 1: matrix 944 rows 941 cols
[2025-06-07 13:12:37] [INFO ] Invariants computation overflowed in 7 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 13:12:38] [INFO ] Implicit Places using invariants and state equation in 770 ms returned []
Implicit Place search using SMT with State Equation took 1146 ms to find 0 implicit places.
Running 943 sub problems to find dead transitions.
// Phase 1: matrix 944 rows 941 cols
[2025-06-07 13:12:38] [INFO ] Invariants computation overflowed in 15 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/940 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 943 unsolved
SMT process timed out in 30159ms, After SMT, problems are : Problem set: 0 solved, 943 unsolved
Search for dead transitions found 0 dead transitions in 30162ms
Starting structural reductions in LTL mode, iteration 1 : 941/994 places, 944/1041 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 31355 ms. Remains : 941/994 places, 944/1041 transitions.
Stuttering acceptance computed with spot in 180 ms :[(NOT p0), (NOT p1), (NOT p1), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0))]
Running random walk in product with property : ViralEpidemic-PT-S04D1C1A04-LTLFireability-08
Stuttering criterion allowed to conclude after 185 steps with 0 reset in 3 ms.
FORMULA ViralEpidemic-PT-S04D1C1A04-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S04D1C1A04-LTLFireability-08 finished in 31566 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(p0)) U ((X(X(p0))&&G((G(!p1)||X(!p2))))||X(X(G(p0))))))'
Support contains 6 out of 994 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 994/994 places, 1041/1041 transitions.
Discarding 50 places :
Symmetric choice reduction at 0 with 50 rule applications. Total rules 50 place count 944 transition count 946
Iterating global reduction 0 with 50 rules applied. Total rules applied 100 place count 944 transition count 946
Applied a total of 100 rules in 37 ms. Remains 944 /994 variables (removed 50) and now considering 946/1041 (removed 95) transitions.
// Phase 1: matrix 946 rows 944 cols
[2025-06-07 13:13:08] [INFO ] Invariants computation overflowed in 6 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 13:13:09] [INFO ] Implicit Places using invariants in 466 ms returned []
// Phase 1: matrix 946 rows 944 cols
[2025-06-07 13:13:09] [INFO ] Invariants computation overflowed in 5 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 13:13:10] [INFO ] Implicit Places using invariants and state equation in 850 ms returned []
Implicit Place search using SMT with State Equation took 1352 ms to find 0 implicit places.
Running 945 sub problems to find dead transitions.
// Phase 1: matrix 946 rows 944 cols
[2025-06-07 13:13:10] [INFO ] Invariants computation overflowed in 6 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/943 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 945 unsolved
SMT process timed out in 30131ms, After SMT, problems are : Problem set: 0 solved, 945 unsolved
Search for dead transitions found 0 dead transitions in 30133ms
Starting structural reductions in LTL mode, iteration 1 : 944/994 places, 946/1041 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 31525 ms. Remains : 944/994 places, 946/1041 transitions.
Stuttering acceptance computed with spot in 662 ms :[true, (AND (NOT p0) p2), p2, (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (AND p2 (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p0) p1), (AND p2 p1), p1]
Running random walk in product with property : ViralEpidemic-PT-S04D1C1A04-LTLFireability-09
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 1 ms.
FORMULA ViralEpidemic-PT-S04D1C1A04-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S04D1C1A04-LTLFireability-09 finished in 32221 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(G(((F((X(!p0) U p1)) U X(p2)) U p3)))))'
Support contains 5 out of 994 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 994/994 places, 1041/1041 transitions.
Discarding 50 places :
Symmetric choice reduction at 0 with 50 rule applications. Total rules 50 place count 944 transition count 946
Iterating global reduction 0 with 50 rules applied. Total rules applied 100 place count 944 transition count 946
Applied a total of 100 rules in 39 ms. Remains 944 /994 variables (removed 50) and now considering 946/1041 (removed 95) transitions.
// Phase 1: matrix 946 rows 944 cols
[2025-06-07 13:13:40] [INFO ] Invariants computation overflowed in 11 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 13:13:41] [INFO ] Implicit Places using invariants in 376 ms returned []
// Phase 1: matrix 946 rows 944 cols
[2025-06-07 13:13:41] [INFO ] Invariants computation overflowed in 6 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 13:13:42] [INFO ] Implicit Places using invariants and state equation in 757 ms returned []
Implicit Place search using SMT with State Equation took 1144 ms to find 0 implicit places.
Running 945 sub problems to find dead transitions.
// Phase 1: matrix 946 rows 944 cols
[2025-06-07 13:13:42] [INFO ] Invariants computation overflowed in 6 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/943 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 945 unsolved
SMT process timed out in 30128ms, After SMT, problems are : Problem set: 0 solved, 945 unsolved
Search for dead transitions found 0 dead transitions in 30130ms
Starting structural reductions in LTL mode, iteration 1 : 944/994 places, 946/1041 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 31315 ms. Remains : 944/994 places, 946/1041 transitions.
Stuttering acceptance computed with spot in 226 ms :[(NOT p3), (AND (NOT p3) (NOT p1) (NOT p2)), (AND (NOT p2) (NOT p3)), (NOT p3), (AND (NOT p3) (NOT p1) p2), (AND (NOT p1) (NOT p3))]
Running random walk in product with property : ViralEpidemic-PT-S04D1C1A04-LTLFireability-10
Stuttering criterion allowed to conclude after 145 steps with 2 reset in 3 ms.
FORMULA ViralEpidemic-PT-S04D1C1A04-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S04D1C1A04-LTLFireability-10 finished in 31581 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(G(p0))&&G(p1)))))'
Support contains 4 out of 994 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 994/994 places, 1041/1041 transitions.
Discarding 52 places :
Symmetric choice reduction at 0 with 52 rule applications. Total rules 52 place count 942 transition count 943
Iterating global reduction 0 with 52 rules applied. Total rules applied 104 place count 942 transition count 943
Applied a total of 104 rules in 46 ms. Remains 942 /994 variables (removed 52) and now considering 943/1041 (removed 98) transitions.
// Phase 1: matrix 943 rows 942 cols
[2025-06-07 13:14:12] [INFO ] Invariants computation overflowed in 16 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 13:14:12] [INFO ] Implicit Places using invariants in 380 ms returned []
// Phase 1: matrix 943 rows 942 cols
[2025-06-07 13:14:12] [INFO ] Invariants computation overflowed in 17 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 13:14:13] [INFO ] Implicit Places using invariants and state equation in 819 ms returned []
Implicit Place search using SMT with State Equation took 1201 ms to find 0 implicit places.
Running 942 sub problems to find dead transitions.
// Phase 1: matrix 943 rows 942 cols
[2025-06-07 13:14:13] [INFO ] Invariants computation overflowed in 5 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/941 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 942 unsolved
SMT process timed out in 30131ms, After SMT, problems are : Problem set: 0 solved, 942 unsolved
Search for dead transitions found 0 dead transitions in 30133ms
Starting structural reductions in LTL mode, iteration 1 : 942/994 places, 943/1041 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 31383 ms. Remains : 942/994 places, 943/1041 transitions.
Stuttering acceptance computed with spot in 164 ms :[(OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), true, (NOT p0)]
Running random walk in product with property : ViralEpidemic-PT-S04D1C1A04-LTLFireability-11
Stuttering criterion allowed to conclude after 167 steps with 0 reset in 1 ms.
FORMULA ViralEpidemic-PT-S04D1C1A04-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S04D1C1A04-LTLFireability-11 finished in 31573 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(G((p0 U p1))))'
Support contains 4 out of 994 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 994/994 places, 1041/1041 transitions.
Graph (complete) has 620 edges and 994 vertex of which 26 are kept as prefixes of interest. Removing 968 places using SCC suffix rule.2 ms
Discarding 968 places :
Also discarding 997 output transitions
Drop transitions (Output transitions of discarded places.) removed 997 transitions
Reduce places removed 1 places and 1 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 25 transition count 42
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 6 place count 21 transition count 32
Iterating global reduction 1 with 4 rules applied. Total rules applied 10 place count 21 transition count 32
Applied a total of 10 rules in 6 ms. Remains 21 /994 variables (removed 973) and now considering 32/1041 (removed 1009) transitions.
// Phase 1: matrix 32 rows 21 cols
[2025-06-07 13:14:44] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 13:14:44] [INFO ] Implicit Places using invariants in 21 ms returned []
[2025-06-07 13:14:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 13:14:44] [INFO ] Implicit Places using invariants and state equation in 29 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 13:14:44] [INFO ] Redundant transitions in 13 ms returned [2, 6, 10, 14]
Found 4 redundant transitions using SMT.
Drop transitions (Redundant Transitions using SMT with State Equation) removed 4 transitions
Redundant transitions reduction (with SMT) removed 4 transitions.
Running 21 sub problems to find dead transitions.
// Phase 1: matrix 28 rows 21 cols
[2025-06-07 13:14:44] [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) 0/18 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 1 (OVERLAPS) 25/43 variables, 18/18 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/43 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 3 (OVERLAPS) 2/45 variables, 1/19 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/45 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 5 (OVERLAPS) 2/47 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/47 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 7 (OVERLAPS) 0/47 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 21 unsolved
No progress, stopping.
After SMT solving in domain Real declared 47/49 variables, and 20 constraints, problems are : Problem set: 0 solved, 21 unsolved in 262 ms.
Refiners :[State Equation: 20/21 constraints, PredecessorRefiner: 21/21 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 21 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/18 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 1 (OVERLAPS) 25/43 variables, 18/18 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/43 variables, 21/39 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/43 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 4 (OVERLAPS) 2/45 variables, 1/40 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/45 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 6 (OVERLAPS) 2/47 variables, 1/41 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/47 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 8 (OVERLAPS) 0/47 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 21 unsolved
No progress, stopping.
After SMT solving in domain Int declared 47/49 variables, and 41 constraints, problems are : Problem set: 0 solved, 21 unsolved in 264 ms.
Refiners :[State Equation: 20/21 constraints, PredecessorRefiner: 21/21 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 530ms problems are : Problem set: 0 solved, 21 unsolved
Search for dead transitions found 0 dead transitions in 530ms
Starting structural reductions in SI_LTL mode, iteration 1 : 21/994 places, 28/1041 transitions.
Graph (complete) has 11 edges and 21 vertex of which 17 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.0 ms
Discarding 4 places :
Also discarding 4 output transitions
Drop transitions (Output transitions of discarded places.) removed 4 transitions
Applied a total of 1 rules in 1 ms. Remains 17 /21 variables (removed 4) and now considering 24/28 (removed 4) transitions.
// Phase 1: matrix 24 rows 17 cols
[2025-06-07 13:14:44] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 13:14:44] [INFO ] Implicit Places using invariants in 24 ms returned []
[2025-06-07 13:14:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 13:14:44] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 51 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 17/994 places, 24/1041 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 657 ms. Remains : 17/994 places, 24/1041 transitions.
Stuttering acceptance computed with spot in 67 ms :[(NOT p1), (NOT p1)]
Running random walk in product with property : ViralEpidemic-PT-S04D1C1A04-LTLFireability-12
Stuttering criterion allowed to conclude after 8 steps with 0 reset in 0 ms.
FORMULA ViralEpidemic-PT-S04D1C1A04-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S04D1C1A04-LTLFireability-12 finished in 735 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||X(p1))) U X(!p0)))'
Support contains 4 out of 994 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 994/994 places, 1041/1041 transitions.
Discarding 52 places :
Symmetric choice reduction at 0 with 52 rule applications. Total rules 52 place count 942 transition count 943
Iterating global reduction 0 with 52 rules applied. Total rules applied 104 place count 942 transition count 943
Applied a total of 104 rules in 39 ms. Remains 942 /994 variables (removed 52) and now considering 943/1041 (removed 98) transitions.
// Phase 1: matrix 943 rows 942 cols
[2025-06-07 13:14:44] [INFO ] Invariants computation overflowed in 12 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 13:14:45] [INFO ] Implicit Places using invariants in 353 ms returned []
// Phase 1: matrix 943 rows 942 cols
[2025-06-07 13:14:45] [INFO ] Invariants computation overflowed in 12 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 13:14:45] [INFO ] Implicit Places using invariants and state equation in 789 ms returned []
Implicit Place search using SMT with State Equation took 1143 ms to find 0 implicit places.
Running 942 sub problems to find dead transitions.
// Phase 1: matrix 943 rows 942 cols
[2025-06-07 13:14:45] [INFO ] Invariants computation overflowed in 5 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/941 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 942 unsolved
SMT process timed out in 30146ms, After SMT, problems are : Problem set: 0 solved, 942 unsolved
Search for dead transitions found 0 dead transitions in 30147ms
Starting structural reductions in LTL mode, iteration 1 : 942/994 places, 943/1041 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 31335 ms. Remains : 942/994 places, 943/1041 transitions.
Stuttering acceptance computed with spot in 196 ms :[p0, (AND p0 (NOT p1)), p0, true, (AND (NOT p0) (NOT p1)), (NOT p1)]
Running random walk in product with property : ViralEpidemic-PT-S04D1C1A04-LTLFireability-13
Product exploration explored 100000 steps with 50000 reset in 873 ms.
Product exploration explored 100000 steps with 50000 reset in 943 ms.
Computed a total of 942 stabilizing places and 943 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 942 transition count 943
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)), (X (NOT (AND p0 (NOT p1)))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p0))), (F (G (NOT p0))), (F (G (NOT p1)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 7 factoid took 16 ms. Reduced automaton from 6 states, 9 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ViralEpidemic-PT-S04D1C1A04-LTLFireability-13 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ViralEpidemic-PT-S04D1C1A04-LTLFireability-13 finished in 33663 ms.
All properties solved by simple procedures.
Total runtime 292949 ms.
BK_STOP 1749302118821
--------------------
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-S04D1C1A04"
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-S04D1C1A04, 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-174915590800988"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/ViralEpidemic-PT-S04D1C1A04.tgz
mv ViralEpidemic-PT-S04D1C1A04 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 ;