About the Execution of ITS-Tools for Echo-PT-d03r05
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 0.000 | 2408198.00 | 0.00 | 0.00 | FFFFFFFFFFFTTFTF | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r072-tall-174860068000700.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 Echo-PT-d03r05, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r072-tall-174860068000700
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.1M
-rw-r--r-- 1 mcc users 6.0K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 60K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 5.9K May 29 14:32 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.8K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.1K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 79K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.2K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 70K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 7 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 716K May 29 14:32 model.pnml
--------------------
content from stdout:
=== Data for post analysis generated by BenchKit (invocation template)
The expected result is a vector of booleans
BOOL_VECTOR
echo here is the order used to build the result vector(from xml file)
FORMULA_NAME Echo-PT-d03r05-LTLFireability-00
FORMULA_NAME Echo-PT-d03r05-LTLFireability-01
FORMULA_NAME Echo-PT-d03r05-LTLFireability-02
FORMULA_NAME Echo-PT-d03r05-LTLFireability-03
FORMULA_NAME Echo-PT-d03r05-LTLFireability-04
FORMULA_NAME Echo-PT-d03r05-LTLFireability-05
FORMULA_NAME Echo-PT-d03r05-LTLFireability-06
FORMULA_NAME Echo-PT-d03r05-LTLFireability-07
FORMULA_NAME Echo-PT-d03r05-LTLFireability-08
FORMULA_NAME Echo-PT-d03r05-LTLFireability-09
FORMULA_NAME Echo-PT-d03r05-LTLFireability-10
FORMULA_NAME Echo-PT-d03r05-LTLFireability-11
FORMULA_NAME Echo-PT-d03r05-LTLFireability-12
FORMULA_NAME Echo-PT-d03r05-LTLFireability-13
FORMULA_NAME Echo-PT-d03r05-LTLFireability-14
FORMULA_NAME Echo-PT-d03r05-LTLFireability-15
=== Now, execution of the tool begins
BK_START 1748820254754
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Echo-PT-d03r05
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-06-01 23:24:15] [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]
[2025-06-01 23:24:15] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-01 23:24:16] [INFO ] Load time of PNML (sax parser for PT used): 160 ms
[2025-06-01 23:24:16] [INFO ] Transformed 1445 places.
[2025-06-01 23:24:16] [INFO ] Transformed 1190 transitions.
[2025-06-01 23:24:16] [INFO ] Found NUPN structural information;
[2025-06-01 23:24:16] [INFO ] Parsed PT model containing 1445 places and 1190 transitions and 8260 arcs in 262 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 10 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 5 formulas.
FORMULA Echo-PT-d03r05-LTLFireability-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Echo-PT-d03r05-LTLFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Echo-PT-d03r05-LTLFireability-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Echo-PT-d03r05-LTLFireability-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Echo-PT-d03r05-LTLFireability-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 78 out of 1445 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1445/1445 places, 1190/1190 transitions.
Reduce places removed 125 places and 0 transitions.
Iterating post reduction 0 with 125 rules applied. Total rules applied 125 place count 1320 transition count 1190
Applied a total of 125 rules in 133 ms. Remains 1320 /1445 variables (removed 125) and now considering 1190/1190 (removed 0) transitions.
// Phase 1: matrix 1190 rows 1320 cols
[2025-06-01 23:24:18] [INFO ] Computed 600 invariants in 1870 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 23:24:52] [INFO ] Performed 385/1320 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-01 23:25:37] [INFO ] Performed 487/1320 implicitness test of which 0 returned IMPLICIT in 75 seconds.
[2025-06-01 23:26:07] [INFO ] Performed 600/1320 implicitness test of which 0 returned IMPLICIT in 105 seconds.
[2025-06-01 23:26:43] [INFO ] Performed 623/1320 implicitness test of which 0 returned IMPLICIT in 141 seconds.
[2025-06-01 23:26:43] [INFO ] Timeout of Implicit test with SMT after 141 seconds.
[2025-06-01 23:26:43] [INFO ] Implicit Places using invariants in 147286 ms returned []
[2025-06-01 23:26:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 23:27:03] [INFO ] Implicit Places using invariants and state equation in 19823 ms returned []
Implicit Place search using SMT with State Equation took 167146 ms to find 0 implicit places.
Running 1189 sub problems to find dead transitions.
[2025-06-01 23:27:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1319 variables, 1319/1319 constraints. Problems are: Problem set: 0 solved, 1189 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1319/2510 variables, and 1912 constraints, problems are : Problem set: 0 solved, 1189 unsolved in 30052 ms.
Refiners :[Domain max(s): 1319/1320 constraints, Generalized P Invariants (flows): 593/600 constraints, State Equation: 0/1320 constraints, PredecessorRefiner: 1189/1189 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1189 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1319 variables, 1319/1319 constraints. Problems are: Problem set: 0 solved, 1189 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1319/2510 variables, and 1912 constraints, problems are : Problem set: 0 solved, 1189 unsolved in 30034 ms.
Refiners :[Domain max(s): 1319/1320 constraints, Generalized P Invariants (flows): 593/600 constraints, State Equation: 0/1320 constraints, PredecessorRefiner: 0/1189 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60796ms problems are : Problem set: 0 solved, 1189 unsolved
Search for dead transitions found 0 dead transitions in 60816ms
Starting structural reductions in LTL mode, iteration 1 : 1320/1445 places, 1190/1190 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 228125 ms. Remains : 1320/1445 places, 1190/1190 transitions.
Support contains 78 out of 1320 places after structural reductions.
[2025-06-01 23:28:04] [INFO ] Flatten gal took : 179 ms
[2025-06-01 23:28:04] [INFO ] Flatten gal took : 103 ms
[2025-06-01 23:28:05] [INFO ] Input system was already deterministic with 1190 transitions.
RANDOM walk for 16554 steps (64 resets) in 1003 ms. (16 steps per ms) remains 0/27 properties
Computed a total of 1320 stabilizing places and 1190 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 1320 transition count 1190
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((G(X((X(X(!p0)) U (X(p1)||G(p2))))) U p0)))'
Support contains 6 out of 1320 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1320/1320 places, 1190/1190 transitions.
Applied a total of 0 rules in 53 ms. Remains 1320 /1320 variables (removed 0) and now considering 1190/1190 (removed 0) transitions.
[2025-06-01 23:28:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 23:28:46] [INFO ] Performed 496/1320 implicitness test of which 0 returned IMPLICIT in 37 seconds.
[2025-06-01 23:29:29] [INFO ] Performed 593/1320 implicitness test of which 0 returned IMPLICIT in 80 seconds.
[2025-06-01 23:30:10] [INFO ] Performed 636/1320 implicitness test of which 0 returned IMPLICIT in 121 seconds.
[2025-06-01 23:30:10] [INFO ] Timeout of Implicit test with SMT after 121 seconds.
[2025-06-01 23:30:10] [INFO ] Implicit Places using invariants in 124648 ms returned []
[2025-06-01 23:30:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 23:30:30] [INFO ] Implicit Places using invariants and state equation in 19590 ms returned []
Implicit Place search using SMT with State Equation took 144240 ms to find 0 implicit places.
Running 1189 sub problems to find dead transitions.
[2025-06-01 23:30:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1319 variables, 1319/1319 constraints. Problems are: Problem set: 0 solved, 1189 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1319/2510 variables, and 1912 constraints, problems are : Problem set: 0 solved, 1189 unsolved in 30033 ms.
Refiners :[Domain max(s): 1319/1320 constraints, Generalized P Invariants (flows): 593/600 constraints, State Equation: 0/1320 constraints, PredecessorRefiner: 1189/1189 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1189 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1319 variables, 1319/1319 constraints. Problems are: Problem set: 0 solved, 1189 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1319/2510 variables, and 1912 constraints, problems are : Problem set: 0 solved, 1189 unsolved in 30044 ms.
Refiners :[Domain max(s): 1319/1320 constraints, Generalized P Invariants (flows): 593/600 constraints, State Equation: 0/1320 constraints, PredecessorRefiner: 0/1189 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60624ms problems are : Problem set: 0 solved, 1189 unsolved
Search for dead transitions found 0 dead transitions in 60628ms
Finished structural reductions in LTL mode , in 1 iterations and 204925 ms. Remains : 1320/1320 places, 1190/1190 transitions.
Stuttering acceptance computed with spot in 633 ms :[(NOT p0), (NOT p0), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (AND (NOT p1) (NOT p2)), (AND (NOT p1) p0), (AND (NOT p1) (NOT p2)), (AND p0 (NOT p2) (NOT p1)), p0, true, (AND (NOT p2) p0), (NOT p2)]
Running random walk in product with property : Echo-PT-d03r05-LTLFireability-00
Entered a terminal (fully accepting) state of product in 18218 steps with 3010 reset in 282 ms.
FORMULA Echo-PT-d03r05-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Echo-PT-d03r05-LTLFireability-00 finished in 205916 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)||X(X(X((p1 U (p2||G(p1)))))))))'
Support contains 8 out of 1320 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1320/1320 places, 1190/1190 transitions.
Applied a total of 0 rules in 49 ms. Remains 1320 /1320 variables (removed 0) and now considering 1190/1190 (removed 0) transitions.
[2025-06-01 23:31:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 23:32:05] [INFO ] Performed 542/1320 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-01 23:32:35] [INFO ] Performed 627/1320 implicitness test of which 0 returned IMPLICIT in 60 seconds.
[2025-06-01 23:33:05] [INFO ] Performed 714/1320 implicitness test of which 0 returned IMPLICIT in 90 seconds.
[2025-06-01 23:33:35] [INFO ] Performed 1192/1320 implicitness test of which 0 returned IMPLICIT in 120 seconds.
[2025-06-01 23:33:35] [INFO ] Timeout of Implicit test with SMT after 120 seconds.
[2025-06-01 23:33:35] [INFO ] Implicit Places using invariants in 123678 ms returned []
[2025-06-01 23:33:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 23:33:56] [INFO ] Implicit Places using invariants and state equation in 20998 ms returned []
Implicit Place search using SMT with State Equation took 144692 ms to find 0 implicit places.
Running 1189 sub problems to find dead transitions.
[2025-06-01 23:33:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1319 variables, 1319/1319 constraints. Problems are: Problem set: 0 solved, 1189 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1319/2510 variables, and 1912 constraints, problems are : Problem set: 0 solved, 1189 unsolved in 30046 ms.
Refiners :[Domain max(s): 1319/1320 constraints, Generalized P Invariants (flows): 593/600 constraints, State Equation: 0/1320 constraints, PredecessorRefiner: 1189/1189 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1189 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1319 variables, 1319/1319 constraints. Problems are: Problem set: 0 solved, 1189 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1319/2510 variables, and 1912 constraints, problems are : Problem set: 0 solved, 1189 unsolved in 30028 ms.
Refiners :[Domain max(s): 1319/1320 constraints, Generalized P Invariants (flows): 593/600 constraints, State Equation: 0/1320 constraints, PredecessorRefiner: 0/1189 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60457ms problems are : Problem set: 0 solved, 1189 unsolved
Search for dead transitions found 0 dead transitions in 60462ms
Finished structural reductions in LTL mode , in 1 iterations and 205210 ms. Remains : 1320/1320 places, 1190/1190 transitions.
Stuttering acceptance computed with spot in 333 ms :[true, (AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p2) (NOT p1)), (AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1) (NOT p0)), (AND (NOT p2) (NOT p1) (NOT p0)), (AND (NOT p2) (NOT p1) (NOT p0))]
Running random walk in product with property : Echo-PT-d03r05-LTLFireability-04
Entered a terminal (fully accepting) state of product in 4 steps with 0 reset in 1 ms.
FORMULA Echo-PT-d03r05-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Echo-PT-d03r05-LTLFireability-04 finished in 205574 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((X(G(p0))&&F(((!p1&&X(!p2))||G(!p2))))))'
Support contains 9 out of 1320 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1320/1320 places, 1190/1190 transitions.
Applied a total of 0 rules in 48 ms. Remains 1320 /1320 variables (removed 0) and now considering 1190/1190 (removed 0) transitions.
[2025-06-01 23:34:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 23:35:30] [INFO ] Performed 606/1320 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-01 23:36:10] [INFO ] Performed 656/1320 implicitness test of which 0 returned IMPLICIT in 69 seconds.
[2025-06-01 23:36:45] [INFO ] Performed 675/1320 implicitness test of which 0 returned IMPLICIT in 105 seconds.
[2025-06-01 23:37:23] [INFO ] Performed 710/1320 implicitness test of which 0 returned IMPLICIT in 143 seconds.
[2025-06-01 23:37:23] [INFO ] Timeout of Implicit test with SMT after 143 seconds.
[2025-06-01 23:37:23] [INFO ] Implicit Places using invariants in 146352 ms returned []
[2025-06-01 23:37:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 23:37:42] [INFO ] Implicit Places using invariants and state equation in 19041 ms returned []
Implicit Place search using SMT with State Equation took 165397 ms to find 0 implicit places.
Running 1189 sub problems to find dead transitions.
[2025-06-01 23:37:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1319 variables, 1319/1319 constraints. Problems are: Problem set: 0 solved, 1189 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1319/2510 variables, and 1912 constraints, problems are : Problem set: 0 solved, 1189 unsolved in 30036 ms.
Refiners :[Domain max(s): 1319/1320 constraints, Generalized P Invariants (flows): 593/600 constraints, State Equation: 0/1320 constraints, PredecessorRefiner: 1189/1189 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1189 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1319 variables, 1319/1319 constraints. Problems are: Problem set: 0 solved, 1189 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1319/2510 variables, and 1912 constraints, problems are : Problem set: 0 solved, 1189 unsolved in 30037 ms.
Refiners :[Domain max(s): 1319/1320 constraints, Generalized P Invariants (flows): 593/600 constraints, State Equation: 0/1320 constraints, PredecessorRefiner: 0/1189 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60486ms problems are : Problem set: 0 solved, 1189 unsolved
Search for dead transitions found 0 dead transitions in 60493ms
Finished structural reductions in LTL mode , in 1 iterations and 225945 ms. Remains : 1320/1320 places, 1190/1190 transitions.
Stuttering acceptance computed with spot in 169 ms :[(OR (NOT p0) p2), (NOT p0), p2, p2]
Running random walk in product with property : Echo-PT-d03r05-LTLFireability-05
Product exploration explored 100000 steps with 33385 reset in 612 ms.
Product exploration explored 100000 steps with 33282 reset in 702 ms.
Computed a total of 1320 stabilizing places and 1190 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 1320 transition count 1190
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) (NOT p0) (NOT p2)), (X (NOT p2)), (X (NOT (AND p2 p1))), (X (NOT (AND p1 (NOT p0)))), (X (NOT (AND p2 (NOT p1)))), (X (AND (NOT p1) (NOT p0))), (X (AND (NOT p2) (NOT p1))), (X (NOT p0)), (X (NOT (AND (NOT p2) p1))), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT (AND p2 p1)))), (X (X (NOT (AND p1 (NOT p0))))), (X (X (NOT (AND p2 (NOT p1))))), (X (X (AND (NOT p1) (NOT p0)))), (X (X (AND (NOT p2) (NOT p1)))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p2) p1)))), (X (X (NOT p1))), (F (G (NOT p1))), (F (G (NOT p0))), (F (G (NOT p2)))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 22 factoid took 107 ms. Reduced automaton from 4 states, 13 edges and 3 AP (stutter sensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 28 ms :[(NOT p0)]
RANDOM walk for 2389 steps (7 resets) in 52 ms. (45 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND (NOT p1) (NOT p0) (NOT p2)), (X (NOT p2)), (X (NOT (AND p2 p1))), (X (NOT (AND p1 (NOT p0)))), (X (NOT (AND p2 (NOT p1)))), (X (AND (NOT p1) (NOT p0))), (X (AND (NOT p2) (NOT p1))), (X (NOT p0)), (X (NOT (AND (NOT p2) p1))), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT (AND p2 p1)))), (X (X (NOT (AND p1 (NOT p0))))), (X (X (NOT (AND p2 (NOT p1))))), (X (X (AND (NOT p1) (NOT p0)))), (X (X (AND (NOT p2) (NOT p1)))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p2) p1)))), (X (X (NOT p1))), (F (G (NOT p1))), (F (G (NOT p0))), (F (G (NOT p2)))]
False Knowledge obtained : [(F p0)]
Property proved to be false thanks to negative knowledge :(F p0)
Knowledge based reduction with 22 factoid took 129 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 0 AP (stutter insensitive).
FORMULA Echo-PT-d03r05-LTLFireability-05 FALSE TECHNIQUES KNOWLEDGE
Treatment of property Echo-PT-d03r05-LTLFireability-05 finished in 228231 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(((G((G(p0) U !p1)) U p0) U p2))))'
Support contains 6 out of 1320 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1320/1320 places, 1190/1190 transitions.
Applied a total of 0 rules in 19 ms. Remains 1320 /1320 variables (removed 0) and now considering 1190/1190 (removed 0) transitions.
[2025-06-01 23:38:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 23:39:19] [INFO ] Performed 555/1320 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-01 23:39:49] [INFO ] Performed 794/1320 implicitness test of which 0 returned IMPLICIT in 60 seconds.
[2025-06-01 23:40:10] [INFO ] Implicit Places using invariants in 84805 ms returned []
[2025-06-01 23:40:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 23:40:30] [INFO ] Implicit Places using invariants and state equation in 20015 ms returned []
Implicit Place search using SMT with State Equation took 104822 ms to find 0 implicit places.
Running 1189 sub problems to find dead transitions.
[2025-06-01 23:40:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1319 variables, 1319/1319 constraints. Problems are: Problem set: 0 solved, 1189 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1319/2510 variables, and 1912 constraints, problems are : Problem set: 0 solved, 1189 unsolved in 30037 ms.
Refiners :[Domain max(s): 1319/1320 constraints, Generalized P Invariants (flows): 593/600 constraints, State Equation: 0/1320 constraints, PredecessorRefiner: 1189/1189 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1189 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1319 variables, 1319/1319 constraints. Problems are: Problem set: 0 solved, 1189 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1319/2510 variables, and 1912 constraints, problems are : Problem set: 0 solved, 1189 unsolved in 30039 ms.
Refiners :[Domain max(s): 1319/1320 constraints, Generalized P Invariants (flows): 593/600 constraints, State Equation: 0/1320 constraints, PredecessorRefiner: 0/1189 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60475ms problems are : Problem set: 0 solved, 1189 unsolved
Search for dead transitions found 0 dead transitions in 60480ms
Finished structural reductions in LTL mode , in 1 iterations and 165332 ms. Remains : 1320/1320 places, 1190/1190 transitions.
Stuttering acceptance computed with spot in 300 ms :[(NOT p2), (NOT p2), (NOT p2), true, p1, (NOT p0), (NOT p0), p1]
Running random walk in product with property : Echo-PT-d03r05-LTLFireability-06
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 1 ms.
FORMULA Echo-PT-d03r05-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Echo-PT-d03r05-LTLFireability-06 finished in 165656 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)))'
Support contains 2 out of 1320 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1320/1320 places, 1190/1190 transitions.
Graph (complete) has 4723 edges and 1320 vertex of which 1313 are kept as prefixes of interest. Removing 7 places using SCC suffix rule.12 ms
Discarding 7 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Reduce places removed 1 places and 1 transitions.
Applied a total of 1 rules in 297 ms. Remains 1312 /1320 variables (removed 8) and now considering 1188/1190 (removed 2) transitions.
// Phase 1: matrix 1188 rows 1312 cols
[2025-06-01 23:41:33] [INFO ] Computed 594 invariants in 1649 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 23:42:18] [INFO ] Performed 589/1312 implicitness test of which 0 returned IMPLICIT in 42 seconds.
[2025-06-01 23:42:48] [INFO ] Performed 892/1312 implicitness test of which 6 returned IMPLICIT in 72 seconds.
[2025-06-01 23:42:58] [INFO ] Implicit Places using invariants in 86824 ms returned [615, 716, 737, 742, 763, 864]
Discarding 6 places :
Implicit Place search using SMT only with invariants took 86832 ms to find 6 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 1306/1320 places, 1188/1190 transitions.
Applied a total of 0 rules in 57 ms. Remains 1306 /1306 variables (removed 0) and now considering 1188/1188 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 87188 ms. Remains : 1306/1320 places, 1188/1190 transitions.
Stuttering acceptance computed with spot in 45 ms :[(NOT p0)]
Running random walk in product with property : Echo-PT-d03r05-LTLFireability-07
Stuttering criterion allowed to conclude after 248 steps with 0 reset in 9 ms.
FORMULA Echo-PT-d03r05-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Echo-PT-d03r05-LTLFireability-07 finished in 87259 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 (p2&&X(X(F(p1))))))'
Support contains 6 out of 1320 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1320/1320 places, 1190/1190 transitions.
Applied a total of 0 rules in 23 ms. Remains 1320 /1320 variables (removed 0) and now considering 1190/1190 (removed 0) transitions.
// Phase 1: matrix 1190 rows 1320 cols
[2025-06-01 23:43:00] [INFO ] Computed 600 invariants in 1810 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 23:43:33] [INFO ] Performed 582/1320 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-01 23:44:19] [INFO ] Performed 648/1320 implicitness test of which 0 returned IMPLICIT in 75 seconds.
[2025-06-01 23:45:40] [INFO ] Implicit Places using invariants in 161836 ms returned []
[2025-06-01 23:45:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 23:46:01] [INFO ] Implicit Places using invariants and state equation in 21582 ms returned []
Implicit Place search using SMT with State Equation took 183422 ms to find 0 implicit places.
Running 1189 sub problems to find dead transitions.
[2025-06-01 23:46:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1319 variables, 1319/1319 constraints. Problems are: Problem set: 0 solved, 1189 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1319/2510 variables, and 1912 constraints, problems are : Problem set: 0 solved, 1189 unsolved in 30036 ms.
Refiners :[Domain max(s): 1319/1320 constraints, Generalized P Invariants (flows): 593/600 constraints, State Equation: 0/1320 constraints, PredecessorRefiner: 1189/1189 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1189 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1319 variables, 1319/1319 constraints. Problems are: Problem set: 0 solved, 1189 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1319/2510 variables, and 1912 constraints, problems are : Problem set: 0 solved, 1189 unsolved in 30038 ms.
Refiners :[Domain max(s): 1319/1320 constraints, Generalized P Invariants (flows): 593/600 constraints, State Equation: 0/1320 constraints, PredecessorRefiner: 0/1189 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60466ms problems are : Problem set: 0 solved, 1189 unsolved
Search for dead transitions found 0 dead transitions in 60472ms
Finished structural reductions in LTL mode , in 1 iterations and 243935 ms. Remains : 1320/1320 places, 1190/1190 transitions.
Stuttering acceptance computed with spot in 175 ms :[(OR (NOT p1) (NOT p2)), (NOT p0), (NOT p1), (NOT p1), (NOT p1)]
Running random walk in product with property : Echo-PT-d03r05-LTLFireability-08
Stuttering criterion allowed to conclude after 250 steps with 0 reset in 4 ms.
FORMULA Echo-PT-d03r05-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Echo-PT-d03r05-LTLFireability-08 finished in 244137 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((X(X(p0)) U p1))))'
Support contains 2 out of 1320 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 1320/1320 places, 1190/1190 transitions.
Graph (complete) has 4723 edges and 1320 vertex of which 1313 are kept as prefixes of interest. Removing 7 places using SCC suffix rule.9 ms
Discarding 7 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Reduce places removed 1 places and 1 transitions.
Applied a total of 1 rules in 53 ms. Remains 1312 /1320 variables (removed 8) and now considering 1188/1190 (removed 2) transitions.
// Phase 1: matrix 1188 rows 1312 cols
[2025-06-01 23:47:04] [INFO ] Computed 594 invariants in 1467 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 23:47:41] [INFO ] Performed 508/1312 implicitness test of which 0 returned IMPLICIT in 34 seconds.
[2025-06-01 23:48:11] [INFO ] Performed 609/1312 implicitness test of which 0 returned IMPLICIT in 64 seconds.
[2025-06-01 23:48:53] [INFO ] Performed 675/1312 implicitness test of which 1 returned IMPLICIT in 106 seconds.
[2025-06-01 23:49:19] [INFO ] Implicit Places using invariants in 137014 ms returned [615, 716, 737, 742, 763, 864]
Discarding 6 places :
Implicit Place search using SMT only with invariants took 137018 ms to find 6 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 1306/1320 places, 1188/1190 transitions.
Applied a total of 0 rules in 44 ms. Remains 1306 /1306 variables (removed 0) and now considering 1188/1188 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 137115 ms. Remains : 1306/1320 places, 1188/1190 transitions.
Stuttering acceptance computed with spot in 58 ms :[(NOT p1), (NOT p1)]
Running random walk in product with property : Echo-PT-d03r05-LTLFireability-09
Stuttering criterion allowed to conclude after 248 steps with 0 reset in 6 ms.
FORMULA Echo-PT-d03r05-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Echo-PT-d03r05-LTLFireability-09 finished in 137203 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' '!((!p0 U X(G((X(p2)&&p1)))))'
Support contains 13 out of 1320 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1320/1320 places, 1190/1190 transitions.
Applied a total of 0 rules in 21 ms. Remains 1320 /1320 variables (removed 0) and now considering 1190/1190 (removed 0) transitions.
// Phase 1: matrix 1190 rows 1320 cols
[2025-06-01 23:49:21] [INFO ] Computed 600 invariants in 1658 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 23:49:54] [INFO ] Performed 413/1320 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-01 23:50:34] [INFO ] Performed 498/1320 implicitness test of which 0 returned IMPLICIT in 70 seconds.
[2025-06-01 23:51:08] [INFO ] Performed 506/1320 implicitness test of which 0 returned IMPLICIT in 103 seconds.
[2025-06-01 23:51:51] [INFO ] Performed 602/1320 implicitness test of which 0 returned IMPLICIT in 147 seconds.
[2025-06-01 23:51:51] [INFO ] Timeout of Implicit test with SMT after 147 seconds.
[2025-06-01 23:51:51] [INFO ] Implicit Places using invariants in 152087 ms returned []
[2025-06-01 23:51:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 23:52:11] [INFO ] Implicit Places using invariants and state equation in 19310 ms returned []
Implicit Place search using SMT with State Equation took 171400 ms to find 0 implicit places.
Running 1189 sub problems to find dead transitions.
[2025-06-01 23:52:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1319 variables, 1319/1319 constraints. Problems are: Problem set: 0 solved, 1189 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1319/2510 variables, and 1912 constraints, problems are : Problem set: 0 solved, 1189 unsolved in 30042 ms.
Refiners :[Domain max(s): 1319/1320 constraints, Generalized P Invariants (flows): 593/600 constraints, State Equation: 0/1320 constraints, PredecessorRefiner: 1189/1189 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1189 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1319 variables, 1319/1319 constraints. Problems are: Problem set: 0 solved, 1189 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1319/2510 variables, and 1912 constraints, problems are : Problem set: 0 solved, 1189 unsolved in 30042 ms.
Refiners :[Domain max(s): 1319/1320 constraints, Generalized P Invariants (flows): 593/600 constraints, State Equation: 0/1320 constraints, PredecessorRefiner: 0/1189 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60473ms problems are : Problem set: 0 solved, 1189 unsolved
Search for dead transitions found 0 dead transitions in 60477ms
Finished structural reductions in LTL mode , in 1 iterations and 231903 ms. Remains : 1320/1320 places, 1190/1190 transitions.
Stuttering acceptance computed with spot in 181 ms :[(OR (NOT p1) (NOT p2)), (OR (NOT p2) (NOT p1)), true, (AND p1 (NOT p2)), (NOT p2)]
Running random walk in product with property : Echo-PT-d03r05-LTLFireability-10
Stuttering criterion allowed to conclude after 250 steps with 0 reset in 6 ms.
FORMULA Echo-PT-d03r05-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Echo-PT-d03r05-LTLFireability-10 finished in 232112 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(!p0)))))'
Support contains 11 out of 1320 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1320/1320 places, 1190/1190 transitions.
Applied a total of 0 rules in 29 ms. Remains 1320 /1320 variables (removed 0) and now considering 1190/1190 (removed 0) transitions.
[2025-06-01 23:53:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 23:53:56] [INFO ] Performed 583/1320 implicitness test of which 0 returned IMPLICIT in 41 seconds.
[2025-06-01 23:54:36] [INFO ] Performed 621/1320 implicitness test of which 0 returned IMPLICIT in 81 seconds.
[2025-06-01 23:55:10] [INFO ] Performed 630/1320 implicitness test of which 0 returned IMPLICIT in 115 seconds.
[2025-06-01 23:55:51] [INFO ] Implicit Places using invariants in 160023 ms returned []
[2025-06-01 23:55:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 23:56:09] [INFO ] Implicit Places using invariants and state equation in 17710 ms returned []
Implicit Place search using SMT with State Equation took 177736 ms to find 0 implicit places.
Running 1189 sub problems to find dead transitions.
[2025-06-01 23:56:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1319 variables, 1319/1319 constraints. Problems are: Problem set: 0 solved, 1189 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1319/2510 variables, and 1912 constraints, problems are : Problem set: 0 solved, 1189 unsolved in 30028 ms.
Refiners :[Domain max(s): 1319/1320 constraints, Generalized P Invariants (flows): 593/600 constraints, State Equation: 0/1320 constraints, PredecessorRefiner: 1189/1189 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1189 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1319 variables, 1319/1319 constraints. Problems are: Problem set: 0 solved, 1189 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1319/2510 variables, and 1912 constraints, problems are : Problem set: 0 solved, 1189 unsolved in 30043 ms.
Refiners :[Domain max(s): 1319/1320 constraints, Generalized P Invariants (flows): 593/600 constraints, State Equation: 0/1320 constraints, PredecessorRefiner: 0/1189 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60461ms problems are : Problem set: 0 solved, 1189 unsolved
Search for dead transitions found 0 dead transitions in 60463ms
Finished structural reductions in LTL mode , in 1 iterations and 238235 ms. Remains : 1320/1320 places, 1190/1190 transitions.
Stuttering acceptance computed with spot in 83 ms :[true, (AND (NOT p1) p0), (AND (NOT p1) p0)]
Running random walk in product with property : Echo-PT-d03r05-LTLFireability-11
Product exploration explored 100000 steps with 50000 reset in 557 ms.
Product exploration explored 100000 steps with 50000 reset in 644 ms.
Computed a total of 1320 stabilizing places and 1190 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 1320 transition count 1190
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 p1 (NOT p0)), (X (NOT (AND (NOT p1) p0))), (X (NOT (AND (NOT p1) (NOT p0)))), (X (NOT p0)), (X p1), (X (X (NOT (AND (NOT p1) p0)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (NOT p0))), (X (X p1)), (F (G p1)), (F (G (NOT p0)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 11 factoid took 12 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA Echo-PT-d03r05-LTLFireability-11 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Echo-PT-d03r05-LTLFireability-11 finished in 240008 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)))'
Support contains 5 out of 1320 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1320/1320 places, 1190/1190 transitions.
Applied a total of 0 rules in 21 ms. Remains 1320 /1320 variables (removed 0) and now considering 1190/1190 (removed 0) transitions.
[2025-06-01 23:57:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 23:57:48] [INFO ] Performed 491/1320 implicitness test of which 0 returned IMPLICIT in 33 seconds.
[2025-06-01 23:58:31] [INFO ] Performed 582/1320 implicitness test of which 0 returned IMPLICIT in 76 seconds.
[2025-06-01 23:59:15] [INFO ] Performed 637/1320 implicitness test of which 0 returned IMPLICIT in 120 seconds.
[2025-06-01 23:59:15] [INFO ] Timeout of Implicit test with SMT after 120 seconds.
[2025-06-01 23:59:15] [INFO ] Implicit Places using invariants in 123510 ms returned []
[2025-06-01 23:59:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 23:59:35] [INFO ] Implicit Places using invariants and state equation in 20105 ms returned []
Implicit Place search using SMT with State Equation took 143618 ms to find 0 implicit places.
Running 1189 sub problems to find dead transitions.
[2025-06-01 23:59:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1319 variables, 1319/1319 constraints. Problems are: Problem set: 0 solved, 1189 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1319/2510 variables, and 1912 constraints, problems are : Problem set: 0 solved, 1189 unsolved in 30036 ms.
Refiners :[Domain max(s): 1319/1320 constraints, Generalized P Invariants (flows): 593/600 constraints, State Equation: 0/1320 constraints, PredecessorRefiner: 1189/1189 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1189 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1319 variables, 1319/1319 constraints. Problems are: Problem set: 0 solved, 1189 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1319/2510 variables, and 1912 constraints, problems are : Problem set: 0 solved, 1189 unsolved in 30040 ms.
Refiners :[Domain max(s): 1319/1320 constraints, Generalized P Invariants (flows): 593/600 constraints, State Equation: 0/1320 constraints, PredecessorRefiner: 0/1189 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60529ms problems are : Problem set: 0 solved, 1189 unsolved
Search for dead transitions found 0 dead transitions in 60532ms
Finished structural reductions in LTL mode , in 1 iterations and 204175 ms. Remains : 1320/1320 places, 1190/1190 transitions.
Stuttering acceptance computed with spot in 96 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : Echo-PT-d03r05-LTLFireability-13
Stuttering criterion allowed to conclude after 250 steps with 0 reset in 6 ms.
FORMULA Echo-PT-d03r05-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Echo-PT-d03r05-LTLFireability-13 finished in 204295 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)||X(X(X(F((G(p2)||p1)))))))'
Support contains 6 out of 1320 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1320/1320 places, 1190/1190 transitions.
Applied a total of 0 rules in 53 ms. Remains 1320 /1320 variables (removed 0) and now considering 1190/1190 (removed 0) transitions.
[2025-06-02 00:00:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 00:01:18] [INFO ] Performed 500/1320 implicitness test of which 0 returned IMPLICIT in 39 seconds.
[2025-06-02 00:01:48] [INFO ] Performed 609/1320 implicitness test of which 0 returned IMPLICIT in 69 seconds.
[2025-06-02 00:02:24] [INFO ] Performed 625/1320 implicitness test of which 0 returned IMPLICIT in 105 seconds.
[2025-06-02 00:03:02] [INFO ] Performed 670/1320 implicitness test of which 0 returned IMPLICIT in 143 seconds.
[2025-06-02 00:03:02] [INFO ] Timeout of Implicit test with SMT after 143 seconds.
[2025-06-02 00:03:02] [INFO ] Implicit Places using invariants in 146388 ms returned []
[2025-06-02 00:03:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 00:03:20] [INFO ] Implicit Places using invariants and state equation in 17610 ms returned []
Implicit Place search using SMT with State Equation took 164004 ms to find 0 implicit places.
Running 1189 sub problems to find dead transitions.
[2025-06-02 00:03:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1319 variables, 1319/1319 constraints. Problems are: Problem set: 0 solved, 1189 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1319/2510 variables, and 1912 constraints, problems are : Problem set: 0 solved, 1189 unsolved in 30028 ms.
Refiners :[Domain max(s): 1319/1320 constraints, Generalized P Invariants (flows): 593/600 constraints, State Equation: 0/1320 constraints, PredecessorRefiner: 1189/1189 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1189 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1319 variables, 1319/1319 constraints. Problems are: Problem set: 0 solved, 1189 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1319/2510 variables, and 1912 constraints, problems are : Problem set: 0 solved, 1189 unsolved in 30039 ms.
Refiners :[Domain max(s): 1319/1320 constraints, Generalized P Invariants (flows): 593/600 constraints, State Equation: 0/1320 constraints, PredecessorRefiner: 0/1189 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60514ms problems are : Problem set: 0 solved, 1189 unsolved
Search for dead transitions found 0 dead transitions in 60518ms
Finished structural reductions in LTL mode , in 1 iterations and 224579 ms. Remains : 1320/1320 places, 1190/1190 transitions.
Stuttering acceptance computed with spot in 160 ms :[(AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2))]
Running random walk in product with property : Echo-PT-d03r05-LTLFireability-14
Product exploration explored 100000 steps with 25000 reset in 568 ms.
Product exploration explored 100000 steps with 25000 reset in 613 ms.
Computed a total of 1320 stabilizing places and 1190 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 1320 transition count 1190
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) p1 (NOT p2)), (X (NOT p0)), (X (X (NOT p0))), (F (G (NOT p0))), (F (G p1)), (F (G (NOT p2)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 6 factoid took 12 ms. Reduced automaton from 4 states, 5 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA Echo-PT-d03r05-LTLFireability-14 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Echo-PT-d03r05-LTLFireability-14 finished in 226386 ms.
All properties solved by simple procedures.
Total runtime 2406674 ms.
BK_STOP 1748822662952
--------------------
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="Echo-PT-d03r05"
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 Echo-PT-d03r05, 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 r072-tall-174860068000700"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/Echo-PT-d03r05.tgz
mv Echo-PT-d03r05 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 ;