Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r156-tall-174881253300043.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)
.......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is Philosophers-COL-000200, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r156-tall-174881253300043
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 488K
-rw-r--r-- 1 mcc users 7.6K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 81K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.1K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 45K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.8K May 29 14:32 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.9K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 109K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.7K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 85K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 29 14:32 equiv_pt
-rw-r--r-- 1 mcc users 7 May 29 14:32 instance
-rw-r--r-- 1 mcc users 5 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 18K 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 Philosophers-COL-000200-LTLCardinality-00
FORMULA_NAME Philosophers-COL-000200-LTLCardinality-01
FORMULA_NAME Philosophers-COL-000200-LTLCardinality-02
FORMULA_NAME Philosophers-COL-000200-LTLCardinality-03
FORMULA_NAME Philosophers-COL-000200-LTLCardinality-04
FORMULA_NAME Philosophers-COL-000200-LTLCardinality-05
FORMULA_NAME Philosophers-COL-000200-LTLCardinality-06
FORMULA_NAME Philosophers-COL-000200-LTLCardinality-07
FORMULA_NAME Philosophers-COL-000200-LTLCardinality-08
FORMULA_NAME Philosophers-COL-000200-LTLCardinality-09
FORMULA_NAME Philosophers-COL-000200-LTLCardinality-10
FORMULA_NAME Philosophers-COL-000200-LTLCardinality-11
FORMULA_NAME Philosophers-COL-000200-LTLCardinality-12
FORMULA_NAME Philosophers-COL-000200-LTLCardinality-13
FORMULA_NAME Philosophers-COL-000200-LTLCardinality-14
FORMULA_NAME Philosophers-COL-000200-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1748845020993

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Philosophers-COL-000200
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
LTLCardinality COL
Running Version 202505121319
[2025-06-02 06:17:02] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-02 06:17:02] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-02 06:17:02] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2025-06-02 06:17:02] [WARNING] Using fallBack plugin, rng conformance not checked
[2025-06-02 06:17:02] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 489 ms
[2025-06-02 06:17:02] [INFO ] Imported 5 HL places and 5 HL transitions for a total of 1000 PT places and 1000.0 transition bindings in 15 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 12 ms.
Working with output stream class java.io.PrintStream
[2025-06-02 06:17:02] [INFO ] Built PT skeleton of HLPN with 5 places and 5 transitions 15 arcs in 4 ms.
[2025-06-02 06:17:02] [INFO ] Skeletonized 16 HLPN properties in 1 ms.
Initial state reduction rules removed 2 formulas.
FORMULA Philosophers-COL-000200-LTLCardinality-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Philosophers-COL-000200-LTLCardinality-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 0 stabilizing places and 0 stable transitions
Remains 14 properties that can be checked using skeleton over-approximation.
Computed a total of 0 stabilizing places and 0 stable transitions
RANDOM walk for 40400 steps (196 resets) in 119 ms. (336 steps per ms) remains 2/19 properties
BEST_FIRST walk for 40004 steps (8 resets) in 172 ms. (231 steps per ms) remains 1/2 properties
// Phase 1: matrix 5 rows 5 cols
[2025-06-02 06:17:03] [INFO ] Computed 2 invariants in 2 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem AtomicPropp14 is UNSAT
After SMT solving in domain Real declared 5/10 variables, and 2 constraints, problems are : Problem set: 1 solved, 0 unsolved in 108 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 0/5 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 168ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Successfully simplified 1 atomic propositions for a total of 14 simplifications.
FORMULA Philosophers-COL-000200-LTLCardinality-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2025-06-02 06:17:03] [INFO ] Flatten gal took : 11 ms
[2025-06-02 06:17:03] [INFO ] Flatten gal took : 2 ms
Arc [1:1*[(MOD (ADD (MOD (MINUS $x 1) 200) 200) 200)]] contains successor/predecessor on variables of sort Philo
[2025-06-02 06:17:03] [INFO ] Unfolded HLPN to a Petri net with 1000 places and 1000 transitions 3200 arcs in 28 ms.
[2025-06-02 06:17:03] [INFO ] Unfolded 13 HLPN properties in 1 ms.
Support contains 1000 out of 1000 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1000/1000 places, 1000/1000 transitions.
Applied a total of 0 rules in 12 ms. Remains 1000 /1000 variables (removed 0) and now considering 1000/1000 (removed 0) transitions.
// Phase 1: matrix 1000 rows 1000 cols
[2025-06-02 06:17:03] [INFO ] Computed 400 invariants in 23 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:17:03] [INFO ] Implicit Places using invariants in 299 ms returned []
[2025-06-02 06:17:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:17:04] [INFO ] Implicit Places using invariants and state equation in 545 ms returned []
Implicit Place search using SMT with State Equation took 853 ms to find 0 implicit places.
Running 600 sub problems to find dead transitions.
[2025-06-02 06:17:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/800 variables, 200/200 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/800 variables, 0/200 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 2 (OVERLAPS) 200/1000 variables, 200/400 constraints. Problems are: Problem set: 0 solved, 600 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1000/2000 variables, and 400 constraints, problems are : Problem set: 0 solved, 600 unsolved in 30026 ms.
Refiners :[Positive P Invariants (semi-flows): 400/400 constraints, State Equation: 0/1000 constraints, PredecessorRefiner: 600/600 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 600 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/800 variables, 200/200 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/800 variables, 0/200 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 2 (OVERLAPS) 200/1000 variables, 200/400 constraints. Problems are: Problem set: 0 solved, 600 unsolved
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(s465 timeout
1 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1000/2000 variables, and 400 constraints, problems are : Problem set: 0 solved, 600 unsolved in 30027 ms.
Refiners :[Positive P Invariants (semi-flows): 400/400 constraints, State Equation: 0/1000 constraints, PredecessorRefiner: 0/600 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60209ms problems are : Problem set: 0 solved, 600 unsolved
Search for dead transitions found 0 dead transitions in 60215ms
Finished structural reductions in LTL mode , in 1 iterations and 61094 ms. Remains : 1000/1000 places, 1000/1000 transitions.
Support contains 1000 out of 1000 places after structural reductions.
[2025-06-02 06:18:04] [INFO ] Flatten gal took : 74 ms
[2025-06-02 06:18:04] [INFO ] Flatten gal took : 59 ms
[2025-06-02 06:18:04] [INFO ] Input system was already deterministic with 1000 transitions.
RANDOM walk for 40000 steps (8 resets) in 2433 ms. (16 steps per ms) remains 3/17 properties
BEST_FIRST walk for 40004 steps (8 resets) in 545 ms. (73 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 529 ms. (75 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 504 ms. (79 steps per ms) remains 3/3 properties
[2025-06-02 06:18:06] [INFO ] Invariant cache hit.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/200 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 600/800 variables, 200/200 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/800 variables, 0/200 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 200/1000 variables, 200/400 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1000 variables, 0/400 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 1000/2000 variables, 1000/1400 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2000 variables, 0/1400 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 0/2000 variables, 0/1400 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2000/2000 variables, and 1400 constraints, problems are : Problem set: 0 solved, 3 unsolved in 797 ms.
Refiners :[Positive P Invariants (semi-flows): 400/400 constraints, State Equation: 1000/1000 constraints, PredecessorRefiner: 3/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/200 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 600/800 variables, 200/200 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/800 variables, 0/200 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 200/1000 variables, 200/400 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1000 variables, 0/400 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 1000/2000 variables, 1000/1400 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2000 variables, 0/1400 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 0/2000 variables, 0/1400 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2000/2000 variables, and 1400 constraints, problems are : Problem set: 0 solved, 3 unsolved in 1108 ms.
Refiners :[Positive P Invariants (semi-flows): 400/400 constraints, State Equation: 1000/1000 constraints, PredecessorRefiner: 3/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1930ms problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 1 different solutions.
Finished Parikh walk after 200 steps, including 0 resets, run visited all 3 properties in 14 ms. (steps per millisecond=14 )
Parikh walk visited 3 properties in 18 ms.
FORMULA Philosophers-COL-000200-LTLCardinality-05 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 0 stabilizing places and 0 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G((F(p0)||X(X(G(p1))))) U X(p2)))'
Support contains 600 out of 1000 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1000/1000 places, 1000/1000 transitions.
Applied a total of 0 rules in 39 ms. Remains 1000 /1000 variables (removed 0) and now considering 1000/1000 (removed 0) transitions.
[2025-06-02 06:18:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:18:08] [INFO ] Implicit Places using invariants in 338 ms returned []
[2025-06-02 06:18:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:18:09] [INFO ] Implicit Places using invariants and state equation in 638 ms returned []
Implicit Place search using SMT with State Equation took 978 ms to find 0 implicit places.
Running 600 sub problems to find dead transitions.
[2025-06-02 06:18:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/800 variables, 200/200 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/800 variables, 0/200 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 2 (OVERLAPS) 200/1000 variables, 200/400 constraints. Problems are: Problem set: 0 solved, 600 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1000/2000 variables, and 400 constraints, problems are : Problem set: 0 solved, 600 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 400/400 constraints, State Equation: 0/1000 constraints, PredecessorRefiner: 600/600 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 600 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/800 variables, 200/200 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/800 variables, 0/200 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 2 (OVERLAPS) 200/1000 variables, 200/400 constraints. Problems are: Problem set: 0 solved, 600 unsolved
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org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1000/2000 variables, and 400 constraints, problems are : Problem set: 0 solved, 600 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 400/400 constraints, State Equation: 0/1000 constraints, PredecessorRefiner: 0/600 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60149ms problems are : Problem set: 0 solved, 600 unsolved
Search for dead transitions found 0 dead transitions in 60154ms
Finished structural reductions in LTL mode , in 1 iterations and 61174 ms. Remains : 1000/1000 places, 1000/1000 transitions.
Stuttering acceptance computed with spot in 386 ms :[(NOT p2), (AND (NOT p0) (NOT p2) (NOT p1)), (NOT p2), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p0)]
Running random walk in product with property : Philosophers-COL-000200-LTLCardinality-00
Product exploration explored 100000 steps with 1 reset in 1315 ms.
Stack based approach found an accepted trace after 2274 steps with 51 reset with depth 1967 and stack size 1967 in 67 ms.
FORMULA Philosophers-COL-000200-LTLCardinality-00 FALSE TECHNIQUES STACK_TEST
Treatment of property Philosophers-COL-000200-LTLCardinality-00 finished in 63020 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))&&F(p1)))'
Support contains 600 out of 1000 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1000/1000 places, 1000/1000 transitions.
Applied a total of 0 rules in 26 ms. Remains 1000 /1000 variables (removed 0) and now considering 1000/1000 (removed 0) transitions.
[2025-06-02 06:19:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:19:11] [INFO ] Implicit Places using invariants in 278 ms returned []
[2025-06-02 06:19:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:19:12] [INFO ] Implicit Places using invariants and state equation in 600 ms returned []
Implicit Place search using SMT with State Equation took 880 ms to find 0 implicit places.
Running 600 sub problems to find dead transitions.
[2025-06-02 06:19:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/800 variables, 200/200 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/800 variables, 0/200 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 2 (OVERLAPS) 200/1000 variables, 200/400 constraints. Problems are: Problem set: 0 solved, 600 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1000/2000 variables, and 400 constraints, problems are : Problem set: 0 solved, 600 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 400/400 constraints, State Equation: 0/1000 constraints, PredecessorRefiner: 600/600 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 600 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/800 variables, 200/200 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/800 variables, 0/200 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 2 (OVERLAPS) 200/1000 variables, 200/400 constraints. Problems are: Problem set: 0 solved, 600 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1000/2000 variables, and 400 constraints, problems are : Problem set: 0 solved, 600 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 400/400 constraints, State Equation: 0/1000 constraints, PredecessorRefiner: 0/600 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60136ms problems are : Problem set: 0 solved, 600 unsolved
Search for dead transitions found 0 dead transitions in 60137ms
Finished structural reductions in LTL mode , in 1 iterations and 61046 ms. Remains : 1000/1000 places, 1000/1000 transitions.
Stuttering acceptance computed with spot in 144 ms :[(NOT p0), true, (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : Philosophers-COL-000200-LTLCardinality-01
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA Philosophers-COL-000200-LTLCardinality-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Philosophers-COL-000200-LTLCardinality-01 finished in 61222 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((X(p0)&&(p1||G(p0)))))'
Support contains 600 out of 1000 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1000/1000 places, 1000/1000 transitions.
Applied a total of 0 rules in 19 ms. Remains 1000 /1000 variables (removed 0) and now considering 1000/1000 (removed 0) transitions.
[2025-06-02 06:20:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:20:13] [INFO ] Implicit Places using invariants in 239 ms returned []
[2025-06-02 06:20:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:20:13] [INFO ] Implicit Places using invariants and state equation in 550 ms returned []
Implicit Place search using SMT with State Equation took 790 ms to find 0 implicit places.
Running 600 sub problems to find dead transitions.
[2025-06-02 06:20:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/800 variables, 200/200 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/800 variables, 0/200 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 2 (OVERLAPS) 200/1000 variables, 200/400 constraints. Problems are: Problem set: 0 solved, 600 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1000/2000 variables, and 400 constraints, problems are : Problem set: 0 solved, 600 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 400/400 constraints, State Equation: 0/1000 constraints, PredecessorRefiner: 600/600 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 600 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/800 variables, 200/200 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/800 variables, 0/200 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 2 (OVERLAPS) 200/1000 variables, 200/400 constraints. Problems are: Problem set: 0 solved, 600 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1000/2000 variables, and 400 constraints, problems are : Problem set: 0 solved, 600 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 400/400 constraints, State Equation: 0/1000 constraints, PredecessorRefiner: 0/600 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60115ms problems are : Problem set: 0 solved, 600 unsolved
Search for dead transitions found 0 dead transitions in 60117ms
Finished structural reductions in LTL mode , in 1 iterations and 60929 ms. Remains : 1000/1000 places, 1000/1000 transitions.
Stuttering acceptance computed with spot in 88 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : Philosophers-COL-000200-LTLCardinality-02
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA Philosophers-COL-000200-LTLCardinality-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Philosophers-COL-000200-LTLCardinality-02 finished in 61046 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(p0))))'
Support contains 400 out of 1000 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1000/1000 places, 1000/1000 transitions.
Applied a total of 0 rules in 35 ms. Remains 1000 /1000 variables (removed 0) and now considering 1000/1000 (removed 0) transitions.
[2025-06-02 06:21:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:21:14] [INFO ] Implicit Places using invariants in 339 ms returned []
[2025-06-02 06:21:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:21:14] [INFO ] Implicit Places using invariants and state equation in 652 ms returned []
Implicit Place search using SMT with State Equation took 991 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 06:21:14] [INFO ] Redundant transitions in 52 ms returned []
Running 600 sub problems to find dead transitions.
[2025-06-02 06:21:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/800 variables, 200/200 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/800 variables, 0/200 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 2 (OVERLAPS) 200/1000 variables, 200/400 constraints. Problems are: Problem set: 0 solved, 600 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1000/2000 variables, and 400 constraints, problems are : Problem set: 0 solved, 600 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 400/400 constraints, State Equation: 0/1000 constraints, PredecessorRefiner: 600/600 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 600 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/800 variables, 200/200 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/800 variables, 0/200 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 2 (OVERLAPS) 200/1000 variables, 200/400 constraints. Problems are: Problem set: 0 solved, 600 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1000/2000 variables, and 400 constraints, problems are : Problem set: 0 solved, 600 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 400/400 constraints, State Equation: 0/1000 constraints, PredecessorRefiner: 0/600 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60107ms problems are : Problem set: 0 solved, 600 unsolved
Search for dead transitions found 0 dead transitions in 60109ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 61196 ms. Remains : 1000/1000 places, 1000/1000 transitions.
Stuttering acceptance computed with spot in 36 ms :[(NOT p0)]
Running random walk in product with property : Philosophers-COL-000200-LTLCardinality-04
Product exploration explored 100000 steps with 379 reset in 4384 ms.
Stack based approach found an accepted trace after 53507 steps with 204 reset with depth 269 and stack size 269 in 2410 ms.
FORMULA Philosophers-COL-000200-LTLCardinality-04 FALSE TECHNIQUES STACK_TEST
Treatment of property Philosophers-COL-000200-LTLCardinality-04 finished in 68043 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||X((X((!p0&&F((p1&&X(F(p2)))))) U (!p0&&X((!p0&&F((p1&&X(F(p2)))))))))))))'
Support contains 600 out of 1000 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1000/1000 places, 1000/1000 transitions.
Applied a total of 0 rules in 17 ms. Remains 1000 /1000 variables (removed 0) and now considering 1000/1000 (removed 0) transitions.
[2025-06-02 06:22:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:22:22] [INFO ] Implicit Places using invariants in 297 ms returned []
[2025-06-02 06:22:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:22:22] [INFO ] Implicit Places using invariants and state equation in 620 ms returned []
Implicit Place search using SMT with State Equation took 918 ms to find 0 implicit places.
Running 600 sub problems to find dead transitions.
[2025-06-02 06:22:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/800 variables, 200/200 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/800 variables, 0/200 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 2 (OVERLAPS) 200/1000 variables, 200/400 constraints. Problems are: Problem set: 0 solved, 600 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 0.0)
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(s579 timeout
0.0)
( org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1000/2000 variables, and 400 constraints, problems are : Problem set: 0 solved, 600 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 400/400 constraints, State Equation: 0/1000 constraints, PredecessorRefiner: 600/600 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 600 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/800 variables, 200/200 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/800 variables, 0/200 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 2 (OVERLAPS) 200/1000 variables, 200/400 constraints. Problems are: Problem set: 0 solved, 600 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1000/2000 variables, and 400 constraints, problems are : Problem set: 0 solved, 600 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 400/400 constraints, State Equation: 0/1000 constraints, PredecessorRefiner: 0/600 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60110ms problems are : Problem set: 0 solved, 600 unsolved
Search for dead transitions found 0 dead transitions in 60112ms
Finished structural reductions in LTL mode , in 1 iterations and 61048 ms. Remains : 1000/1000 places, 1000/1000 transitions.
Stuttering acceptance computed with spot in 222 ms :[p0, p0, p0, (OR (AND p0 (NOT p1)) (AND p0 (NOT p2))), (AND p0 (NOT p2))]
Running random walk in product with property : Philosophers-COL-000200-LTLCardinality-06
Product exploration explored 100000 steps with 7 reset in 1857 ms.
Stack based approach found an accepted trace after 20638 steps with 10 reset with depth 20307 and stack size 20205 in 328 ms.
FORMULA Philosophers-COL-000200-LTLCardinality-06 FALSE TECHNIQUES STACK_TEST
Treatment of property Philosophers-COL-000200-LTLCardinality-06 finished in 63487 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(G(p1)))))'
Support contains 600 out of 1000 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1000/1000 places, 1000/1000 transitions.
Applied a total of 0 rules in 84 ms. Remains 1000 /1000 variables (removed 0) and now considering 1000/1000 (removed 0) transitions.
[2025-06-02 06:23:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:23:25] [INFO ] Implicit Places using invariants in 225 ms returned []
[2025-06-02 06:23:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:23:26] [INFO ] Implicit Places using invariants and state equation in 509 ms returned []
Implicit Place search using SMT with State Equation took 736 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 06:23:26] [INFO ] Redundant transitions in 14 ms returned []
Running 600 sub problems to find dead transitions.
[2025-06-02 06:23:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/800 variables, 200/200 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/800 variables, 0/200 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 2 (OVERLAPS) 200/1000 variables, 200/400 constraints. Problems are: Problem set: 0 solved, 600 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1000/2000 variables, and 400 constraints, problems are : Problem set: 0 solved, 600 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 400/400 constraints, State Equation: 0/1000 constraints, PredecessorRefiner: 600/600 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 600 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/800 variables, 200/200 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/800 variables, 0/200 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 2 (OVERLAPS) 200/1000 variables, 200/400 constraints. Problems are: Problem set: 0 solved, 600 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1000/2000 variables, and 400 constraints, problems are : Problem set: 0 solved, 600 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 400/400 constraints, State Equation: 0/1000 constraints, PredecessorRefiner: 0/600 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60110ms problems are : Problem set: 0 solved, 600 unsolved
Search for dead transitions found 0 dead transitions in 60111ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 60953 ms. Remains : 1000/1000 places, 1000/1000 transitions.
Stuttering acceptance computed with spot in 112 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : Philosophers-COL-000200-LTLCardinality-07
Product exploration explored 100000 steps with 69 reset in 2423 ms.
Stack based approach found an accepted trace after 2918 steps with 9 reset with depth 359 and stack size 359 in 134 ms.
FORMULA Philosophers-COL-000200-LTLCardinality-07 FALSE TECHNIQUES STACK_TEST
Treatment of property Philosophers-COL-000200-LTLCardinality-07 finished in 63650 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 200 out of 1000 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1000/1000 places, 1000/1000 transitions.
Applied a total of 0 rules in 31 ms. Remains 1000 /1000 variables (removed 0) and now considering 1000/1000 (removed 0) transitions.
[2025-06-02 06:24:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:24:29] [INFO ] Implicit Places using invariants in 364 ms returned []
[2025-06-02 06:24:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:24:30] [INFO ] Implicit Places using invariants and state equation in 750 ms returned []
Implicit Place search using SMT with State Equation took 1115 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 06:24:30] [INFO ] Redundant transitions in 9 ms returned []
Running 600 sub problems to find dead transitions.
[2025-06-02 06:24:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/800 variables, 200/200 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/800 variables, 0/200 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 2 (OVERLAPS) 200/1000 variables, 200/400 constraints. Problems are: Problem set: 0 solved, 600 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1000/2000 variables, and 400 constraints, problems are : Problem set: 0 solved, 600 unsolved in 30027 ms.
Refiners :[Positive P Invariants (semi-flows): 400/400 constraints, State Equation: 0/1000 constraints, PredecessorRefiner: 600/600 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 600 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/800 variables, 200/200 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/800 variables, 0/200 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 2 (OVERLAPS) 200/1000 variables, 200/400 constraints. Problems are: Problem set: 0 solved, 600 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1000/2000 variables, and 400 constraints, problems are : Problem set: 0 solved, 600 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 400/400 constraints, State Equation: 0/1000 constraints, PredecessorRefiner: 0/600 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60115ms problems are : Problem set: 0 solved, 600 unsolved
Search for dead transitions found 0 dead transitions in 60116ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 61280 ms. Remains : 1000/1000 places, 1000/1000 transitions.
Stuttering acceptance computed with spot in 46 ms :[(NOT p0)]
Running random walk in product with property : Philosophers-COL-000200-LTLCardinality-08
Stuttering criterion allowed to conclude after 27074 steps with 0 reset in 363 ms.
FORMULA Philosophers-COL-000200-LTLCardinality-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Philosophers-COL-000200-LTLCardinality-08 finished in 61713 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||X((X(G((p1||G(p2)))) U (p0&&X(G((p1||G(p2))))))))))'
Support contains 600 out of 1000 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1000/1000 places, 1000/1000 transitions.
Applied a total of 0 rules in 10 ms. Remains 1000 /1000 variables (removed 0) and now considering 1000/1000 (removed 0) transitions.
[2025-06-02 06:25:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:25:30] [INFO ] Implicit Places using invariants in 222 ms returned []
[2025-06-02 06:25:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:25:31] [INFO ] Implicit Places using invariants and state equation in 535 ms returned []
Implicit Place search using SMT with State Equation took 760 ms to find 0 implicit places.
Running 600 sub problems to find dead transitions.
[2025-06-02 06:25:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/800 variables, 200/200 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/800 variables, 0/200 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 2 (OVERLAPS) 200/1000 variables, 200/400 constraints. Problems are: Problem set: 0 solved, 600 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1000/2000 variables, and 400 constraints, problems are : Problem set: 0 solved, 600 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 400/400 constraints, State Equation: 0/1000 constraints, PredecessorRefiner: 600/600 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 600 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/800 variables, 200/200 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/800 variables, 0/200 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 2 (OVERLAPS) 200/1000 variables, 200/400 constraints. Problems are: Problem set: 0 solved, 600 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1000/2000 variables, and 400 constraints, problems are : Problem set: 0 solved, 600 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 400/400 constraints, State Equation: 0/1000 constraints, PredecessorRefiner: 0/600 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60114ms problems are : Problem set: 0 solved, 600 unsolved
Search for dead transitions found 0 dead transitions in 60118ms
Finished structural reductions in LTL mode , in 1 iterations and 60891 ms. Remains : 1000/1000 places, 1000/1000 transitions.
Stuttering acceptance computed with spot in 239 ms :[(NOT p0), (NOT p0), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (AND (NOT p2) (NOT p1)), true, (NOT p2)]
Running random walk in product with property : Philosophers-COL-000200-LTLCardinality-10
Product exploration explored 100000 steps with 50000 reset in 3507 ms.
Product exploration explored 100000 steps with 50000 reset in 3622 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p0 (NOT p1) p2), (X p0), (X (X p0))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 3 factoid took 18 ms. Reduced automaton from 6 states, 10 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA Philosophers-COL-000200-LTLCardinality-10 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Philosophers-COL-000200-LTLCardinality-10 finished in 69718 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 400 out of 1000 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1000/1000 places, 1000/1000 transitions.
Applied a total of 0 rules in 23 ms. Remains 1000 /1000 variables (removed 0) and now considering 1000/1000 (removed 0) transitions.
[2025-06-02 06:26:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:26:40] [INFO ] Implicit Places using invariants in 276 ms returned []
[2025-06-02 06:26:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:26:41] [INFO ] Implicit Places using invariants and state equation in 582 ms returned []
Implicit Place search using SMT with State Equation took 859 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 06:26:41] [INFO ] Redundant transitions in 8 ms returned []
Running 600 sub problems to find dead transitions.
[2025-06-02 06:26:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/800 variables, 200/200 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/800 variables, 0/200 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 2 (OVERLAPS) 200/1000 variables, 200/400 constraints. Problems are: Problem set: 0 solved, 600 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1000/2000 variables, and 400 constraints, problems are : Problem set: 0 solved, 600 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 400/400 constraints, State Equation: 0/1000 constraints, PredecessorRefiner: 600/600 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 600 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/800 variables, 200/200 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/800 variables, 0/200 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 2 (OVERLAPS) 200/1000 variables, 200/400 constraints. Problems are: Problem set: 0 solved, 600 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1000/2000 variables, and 400 constraints, problems are : Problem set: 0 solved, 600 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 400/400 constraints, State Equation: 0/1000 constraints, PredecessorRefiner: 0/600 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60108ms problems are : Problem set: 0 solved, 600 unsolved
Search for dead transitions found 0 dead transitions in 60109ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 61004 ms. Remains : 1000/1000 places, 1000/1000 transitions.
Stuttering acceptance computed with spot in 64 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : Philosophers-COL-000200-LTLCardinality-11
Product exploration explored 100000 steps with 14 reset in 1651 ms.
Stack based approach found an accepted trace after 1656 steps with 0 reset with depth 1657 and stack size 1657 in 41 ms.
FORMULA Philosophers-COL-000200-LTLCardinality-11 FALSE TECHNIQUES STACK_TEST
Treatment of property Philosophers-COL-000200-LTLCardinality-11 finished in 62783 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||X(X(X(p1)))) U (F(p1) U X(!p0))))'
Support contains 400 out of 1000 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1000/1000 places, 1000/1000 transitions.
Applied a total of 0 rules in 10 ms. Remains 1000 /1000 variables (removed 0) and now considering 1000/1000 (removed 0) transitions.
[2025-06-02 06:27:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:27:43] [INFO ] Implicit Places using invariants in 289 ms returned []
[2025-06-02 06:27:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:27:44] [INFO ] Implicit Places using invariants and state equation in 597 ms returned []
Implicit Place search using SMT with State Equation took 888 ms to find 0 implicit places.
Running 600 sub problems to find dead transitions.
[2025-06-02 06:27:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/800 variables, 200/200 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/800 variables, 0/200 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 2 (OVERLAPS) 200/1000 variables, 200/400 constraints. Problems are: Problem set: 0 solved, 600 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1000/2000 variables, and 400 constraints, problems are : Problem set: 0 solved, 600 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 400/400 constraints, State Equation: 0/1000 constraints, PredecessorRefiner: 600/600 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 600 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/800 variables, 200/200 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/800 variables, 0/200 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 2 (OVERLAPS) 200/1000 variables, 200/400 constraints. Problems are: Problem set: 0 solved, 600 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1000/2000 variables, and 400 constraints, problems are : Problem set: 0 solved, 600 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 400/400 constraints, State Equation: 0/1000 constraints, PredecessorRefiner: 0/600 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60109ms problems are : Problem set: 0 solved, 600 unsolved
Search for dead transitions found 0 dead transitions in 60110ms
Finished structural reductions in LTL mode , in 1 iterations and 61009 ms. Remains : 1000/1000 places, 1000/1000 transitions.
Stuttering acceptance computed with spot in 287 ms :[p0, (AND (NOT p1) p0), (AND (NOT p1) p0), p0, (NOT p1), (AND (NOT p1) p0), (AND (NOT p1) p0), p0]
Running random walk in product with property : Philosophers-COL-000200-LTLCardinality-13
Product exploration explored 100000 steps with 50000 reset in 4661 ms.
Product exploration explored 100000 steps with 50000 reset in 4811 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p1 (NOT p0)), (X (NOT (AND (NOT p1) p0))), (X (NOT p0)), (X p1), (X (X p1)), (X (X (NOT (AND (NOT p1) p0)))), (X (X (NOT p0)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 7 factoid took 17 ms. Reduced automaton from 8 states, 14 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA Philosophers-COL-000200-LTLCardinality-13 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Philosophers-COL-000200-LTLCardinality-13 finished in 74140 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(F((!p0&&F((p1||X(p1)))))))))'
Support contains 400 out of 1000 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1000/1000 places, 1000/1000 transitions.
Applied a total of 0 rules in 11 ms. Remains 1000 /1000 variables (removed 0) and now considering 1000/1000 (removed 0) transitions.
[2025-06-02 06:28:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:28:57] [INFO ] Implicit Places using invariants in 303 ms returned []
[2025-06-02 06:28:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:28:58] [INFO ] Implicit Places using invariants and state equation in 631 ms returned []
Implicit Place search using SMT with State Equation took 934 ms to find 0 implicit places.
Running 600 sub problems to find dead transitions.
[2025-06-02 06:28:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/800 variables, 200/200 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/800 variables, 0/200 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 2 (OVERLAPS) 200/1000 variables, 200/400 constraints. Problems are: Problem set: 0 solved, 600 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1000/2000 variables, and 400 constraints, problems are : Problem set: 0 solved, 600 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 400/400 constraints, State Equation: 0/1000 constraints, PredecessorRefiner: 600/600 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 600 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/800 variables, 200/200 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/800 variables, 0/200 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 2 (OVERLAPS) 200/1000 variables, 200/400 constraints. Problems are: Problem set: 0 solved, 600 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1000/2000 variables, and 400 constraints, problems are : Problem set: 0 solved, 600 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 400/400 constraints, State Equation: 0/1000 constraints, PredecessorRefiner: 0/600 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60112ms problems are : Problem set: 0 solved, 600 unsolved
Search for dead transitions found 0 dead transitions in 60113ms
Finished structural reductions in LTL mode , in 1 iterations and 61060 ms. Remains : 1000/1000 places, 1000/1000 transitions.
Stuttering acceptance computed with spot in 180 ms :[(NOT p1), (OR (NOT p1) p0), (OR (NOT p1) p0), (OR (NOT p1) p0), (OR (NOT p1) p0)]
Running random walk in product with property : Philosophers-COL-000200-LTLCardinality-14
Product exploration explored 100000 steps with 11 reset in 1203 ms.
Stack based approach found an accepted trace after 1097 steps with 0 reset with depth 1098 and stack size 1098 in 35 ms.
FORMULA Philosophers-COL-000200-LTLCardinality-14 FALSE TECHNIQUES STACK_TEST
Treatment of property Philosophers-COL-000200-LTLCardinality-14 finished in 62496 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((((F(!p0)||G(p1)) U G(!p2)) U X(p1)))'
Support contains 1000 out of 1000 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1000/1000 places, 1000/1000 transitions.
Applied a total of 0 rules in 5 ms. Remains 1000 /1000 variables (removed 0) and now considering 1000/1000 (removed 0) transitions.
[2025-06-02 06:29:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:30:00] [INFO ] Implicit Places using invariants in 157 ms returned []
[2025-06-02 06:30:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:30:00] [INFO ] Implicit Places using invariants and state equation in 438 ms returned []
Implicit Place search using SMT with State Equation took 596 ms to find 0 implicit places.
Running 600 sub problems to find dead transitions.
[2025-06-02 06:30:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/800 variables, 200/200 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/800 variables, 0/200 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 2 (OVERLAPS) 200/1000 variables, 200/400 constraints. Problems are: Problem set: 0 solved, 600 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1000/2000 variables, and 400 constraints, problems are : Problem set: 0 solved, 600 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 400/400 constraints, State Equation: 0/1000 constraints, PredecessorRefiner: 600/600 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 600 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/800 variables, 200/200 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/800 variables, 0/200 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 2 (OVERLAPS) 200/1000 variables, 200/400 constraints. Problems are: Problem set: 0 solved, 600 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1000/2000 variables, and 400 constraints, problems are : Problem set: 0 solved, 600 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 400/400 constraints, State Equation: 0/1000 constraints, PredecessorRefiner: 0/600 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60114ms problems are : Problem set: 0 solved, 600 unsolved
Search for dead transitions found 0 dead transitions in 60116ms
Finished structural reductions in LTL mode , in 1 iterations and 60719 ms. Remains : 1000/1000 places, 1000/1000 transitions.
Stuttering acceptance computed with spot in 290 ms :[(NOT p1), (NOT p1), (AND (NOT p2) p0 (NOT p1)), p0, p2, (AND p0 p2 p1), (AND p0 (NOT p2) (NOT p1))]
Running random walk in product with property : Philosophers-COL-000200-LTLCardinality-15
Product exploration explored 100000 steps with 147 reset in 4421 ms.
Product exploration explored 100000 steps with 291 reset in 5074 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p2) (NOT p0) p1), (X (NOT p2)), (X (NOT (AND (NOT p2) p0 (NOT p1)))), (X (NOT (AND p2 p0 (NOT p1)))), (X (NOT p0)), (X (X (NOT p2))), (X (X (NOT (AND (NOT p2) p0 (NOT p1))))), (X (X (NOT (AND p2 p0 p1)))), (X (X (NOT (AND p2 p0 (NOT p1))))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p2) p0 p1))))]
False Knowledge obtained : [(X (NOT p1)), (X p1), (X (X (NOT p1))), (X (X p1))]
Knowledge based reduction with 11 factoid took 250 ms. Reduced automaton from 7 states, 17 edges and 3 AP (stutter sensitive) to 6 states, 15 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 245 ms :[(NOT p1), (NOT p1), p0, p2, (AND p0 p1 p2), (AND p0 (NOT p1) (NOT p2))]
RANDOM walk for 40000 steps (8 resets) in 2358 ms. (16 steps per ms) remains 3/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 379 ms. (105 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1172 ms. (34 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1183 ms. (33 steps per ms) remains 3/3 properties
[2025-06-02 06:31:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1000 variables, 400/400 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1000 variables, 0/400 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 1000/2000 variables, 1000/1400 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2000 variables, 0/1400 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 0/2000 variables, 0/1400 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2000/2000 variables, and 1400 constraints, problems are : Problem set: 0 solved, 3 unsolved in 810 ms.
Refiners :[Positive P Invariants (semi-flows): 400/400 constraints, State Equation: 1000/1000 constraints, PredecessorRefiner: 3/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1000 variables, 400/400 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1000 variables, 0/400 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 1000/2000 variables, 1000/1400 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2000 variables, 0/1400 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 0/2000 variables, 0/1400 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2000/2000 variables, and 1400 constraints, problems are : Problem set: 0 solved, 3 unsolved in 1312 ms.
Refiners :[Positive P Invariants (semi-flows): 400/400 constraints, State Equation: 1000/1000 constraints, PredecessorRefiner: 3/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2135ms problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 2 different solutions.
Finished Parikh walk after 199 steps, including 0 resets, run visited all 1 properties in 8 ms. (steps per millisecond=24 )
Parikh walk visited 3 properties in 691 ms.
Knowledge obtained : [(AND (NOT p2) (NOT p0) p1), (X (NOT p2)), (X (NOT (AND (NOT p2) p0 (NOT p1)))), (X (NOT (AND p2 p0 (NOT p1)))), (X (NOT p0)), (X (X (NOT p2))), (X (X (NOT (AND (NOT p2) p0 (NOT p1))))), (X (X (NOT (AND p2 p0 p1)))), (X (X (NOT (AND p2 p0 (NOT p1))))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p2) p0 p1))))]
False Knowledge obtained : [(X (NOT p1)), (X p1), (X (X (NOT p1))), (X (X p1)), (F (NOT p1)), (F (NOT (OR p1 (NOT p2) (NOT p0)))), (F (NOT (OR (NOT p1) (NOT p2) (NOT p0)))), (F p0), (F p2), (F (NOT (OR (NOT p1) p2 (NOT p0)))), (F (NOT (OR p1 p2 (NOT p0))))]
Knowledge based reduction with 11 factoid took 532 ms. Reduced automaton from 6 states, 15 edges and 3 AP (stutter sensitive) to 6 states, 15 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 268 ms :[(NOT p1), (NOT p1), p0, p2, (AND p0 p1 p2), (AND p0 (NOT p1) (NOT p2))]
Stuttering acceptance computed with spot in 250 ms :[(NOT p1), (NOT p1), p0, p2, (AND p0 p1 p2), (AND p0 (NOT p1) (NOT p2))]
Support contains 1000 out of 1000 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1000/1000 places, 1000/1000 transitions.
Applied a total of 0 rules in 5 ms. Remains 1000 /1000 variables (removed 0) and now considering 1000/1000 (removed 0) transitions.
[2025-06-02 06:31:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:31:25] [INFO ] Implicit Places using invariants in 153 ms returned []
[2025-06-02 06:31:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:31:25] [INFO ] Implicit Places using invariants and state equation in 417 ms returned []
Implicit Place search using SMT with State Equation took 575 ms to find 0 implicit places.
Running 600 sub problems to find dead transitions.
[2025-06-02 06:31:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/800 variables, 200/200 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/800 variables, 0/200 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 2 (OVERLAPS) 200/1000 variables, 200/400 constraints. Problems are: Problem set: 0 solved, 600 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 1.0)
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(s386 0.0)
(s387 0.0)
(s388 0.0)timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1000/2000 variables, and 400 constraints, problems are : Problem set: 0 solved, 600 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 400/400 constraints, State Equation: 0/1000 constraints, PredecessorRefiner: 600/600 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 600 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/800 variables, 200/200 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/800 variables, 0/200 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 2 (OVERLAPS) 200/1000 variables, 200/400 constraints. Problems are: Problem set: 0 solved, 600 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 0)
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(s667 0)
(s668 0)
(s669 0)
(s670 timeout
0) org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1000/2000 variables, and 400 constraints, problems are : Problem set: 0 solved, 600 unsolved in 30025 ms.
Refiners :[Positive P Invariants (semi-flows): 400/400 constraints, State Equation: 0/1000 constraints, PredecessorRefiner: 0/600 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60125ms problems are : Problem set: 0 solved, 600 unsolved
Search for dead transitions found 0 dead transitions in 60126ms
Finished structural reductions in LTL mode , in 1 iterations and 60708 ms. Remains : 1000/1000 places, 1000/1000 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p1 (NOT p2) (NOT p0)), (X (NOT p2)), (X (NOT (AND (NOT p1) (NOT p2) p0))), (X (NOT (AND (NOT p1) p2 p0))), (X (NOT p0)), (X (X (NOT p2))), (X (X (NOT (AND (NOT p1) (NOT p2) p0)))), (X (X (NOT (AND p1 (NOT p2) p0)))), (X (X (NOT (AND (NOT p1) p2 p0)))), (X (X (NOT p0))), (X (X (NOT (AND p1 p2 p0))))]
False Knowledge obtained : [(X (NOT p1)), (X p1), (X (X (NOT p1))), (X (X p1))]
Knowledge based reduction with 11 factoid took 281 ms. Reduced automaton from 6 states, 15 edges and 3 AP (stutter sensitive) to 6 states, 15 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 262 ms :[(NOT p1), (NOT p1), p0, p2, (AND p0 p1 p2), (AND p0 (NOT p1) (NOT p2))]
RANDOM walk for 40000 steps (8 resets) in 1982 ms. (20 steps per ms) remains 3/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 375 ms. (106 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1167 ms. (34 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1183 ms. (33 steps per ms) remains 3/3 properties
[2025-06-02 06:32:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1000 variables, 400/400 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1000 variables, 0/400 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 1000/2000 variables, 1000/1400 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2000 variables, 0/1400 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 0/2000 variables, 0/1400 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2000/2000 variables, and 1400 constraints, problems are : Problem set: 0 solved, 3 unsolved in 842 ms.
Refiners :[Positive P Invariants (semi-flows): 400/400 constraints, State Equation: 1000/1000 constraints, PredecessorRefiner: 3/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1000 variables, 400/400 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1000 variables, 0/400 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 1000/2000 variables, 1000/1400 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2000 variables, 0/1400 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 0/2000 variables, 0/1400 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2000/2000 variables, and 1400 constraints, problems are : Problem set: 0 solved, 3 unsolved in 1350 ms.
Refiners :[Positive P Invariants (semi-flows): 400/400 constraints, State Equation: 1000/1000 constraints, PredecessorRefiner: 3/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2205ms problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 2 different solutions.
Finished Parikh walk after 10857 steps, including 53 resets, run visited all 3 properties in 377 ms. (steps per millisecond=28 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Parikh walk visited 3 properties in 378 ms.
Knowledge obtained : [(AND p1 (NOT p2) (NOT p0)), (X (NOT p2)), (X (NOT (AND (NOT p1) (NOT p2) p0))), (X (NOT (AND (NOT p1) p2 p0))), (X (NOT p0)), (X (X (NOT p2))), (X (X (NOT (AND (NOT p1) (NOT p2) p0)))), (X (X (NOT (AND p1 (NOT p2) p0)))), (X (X (NOT (AND (NOT p1) p2 p0)))), (X (X (NOT p0))), (X (X (NOT (AND p1 p2 p0))))]
False Knowledge obtained : [(X (NOT p1)), (X p1), (X (X (NOT p1))), (X (X p1)), (F (NOT p1)), (F (NOT (OR p1 (NOT p2) (NOT p0)))), (F (NOT (OR (NOT p1) (NOT p2) (NOT p0)))), (F p0), (F p2), (F (NOT (OR (NOT p1) p2 (NOT p0)))), (F (NOT (OR p1 p2 (NOT p0))))]
Knowledge based reduction with 11 factoid took 535 ms. Reduced automaton from 6 states, 15 edges and 3 AP (stutter sensitive) to 6 states, 15 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 257 ms :[(NOT p1), (NOT p1), p0, p2, (AND p0 p1 p2), (AND p0 (NOT p1) (NOT p2))]
Stuttering acceptance computed with spot in 263 ms :[(NOT p1), (NOT p1), p0, p2, (AND p0 p1 p2), (AND p0 (NOT p1) (NOT p2))]
Stuttering acceptance computed with spot in 282 ms :[(NOT p1), (NOT p1), p0, p2, (AND p0 p1 p2), (AND p0 (NOT p1) (NOT p2))]
Product exploration explored 100000 steps with 161 reset in 6141 ms.
Stack based approach found an accepted trace after 53178 steps with 106 reset with depth 6952 and stack size 6919 in 3204 ms.
FORMULA Philosophers-COL-000200-LTLCardinality-15 FALSE TECHNIQUES STACK_TEST
Treatment of property Philosophers-COL-000200-LTLCardinality-15 finished in 172249 ms.
All properties solved by simple procedures.
Total runtime 950024 ms.

BK_STOP 1748845972166

--------------------
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
+ [[ LTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLCardinality -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
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ 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 LTLCardinality -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="Philosophers-COL-000200"
export BK_EXAMINATION="LTLCardinality"
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 Philosophers-COL-000200, examination is LTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r156-tall-174881253300043"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Philosophers-COL-000200.tgz
mv Philosophers-COL-000200 execution
cd execution
if [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "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 [ "LTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLCardinality" != "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 "LTLCardinality.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 '' LTLCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLCardinality"
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 ;