Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r421-smll-171690572600092.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-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 2-5568
Executing tool greatspnxred
Input is TokenRing-COL-015, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r421-smll-171690572600092
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 496K
-rw-r--r-- 1 mcc users 5.7K Apr 11 19:44 CTLCardinality.txt
-rw-r--r-- 1 mcc users 59K Apr 11 19:44 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.5K Apr 11 19:19 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K Apr 11 19:19 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:43 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K May 18 16:43 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.6K Apr 23 08:02 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Apr 23 08:02 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K Apr 23 08:02 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Apr 23 08:02 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Apr 11 20:27 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 143K Apr 11 20:27 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Apr 11 19:58 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 85K Apr 11 19:58 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Apr 23 08:02 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Apr 23 08:02 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 18 16:43 equiv_pt
-rw-r--r-- 1 mcc users 4 May 18 16:43 instance
-rw-r--r-- 1 mcc users 5 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 16K May 18 16:43 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME TokenRing-COL-015-LTLFireability-00
FORMULA_NAME TokenRing-COL-015-LTLFireability-01
FORMULA_NAME TokenRing-COL-015-LTLFireability-02
FORMULA_NAME TokenRing-COL-015-LTLFireability-03
FORMULA_NAME TokenRing-COL-015-LTLFireability-04
FORMULA_NAME TokenRing-COL-015-LTLFireability-05
FORMULA_NAME TokenRing-COL-015-LTLFireability-06
FORMULA_NAME TokenRing-COL-015-LTLFireability-07
FORMULA_NAME TokenRing-COL-015-LTLFireability-08
FORMULA_NAME TokenRing-COL-015-LTLFireability-09
FORMULA_NAME TokenRing-COL-015-LTLFireability-10
FORMULA_NAME TokenRing-COL-015-LTLFireability-11
FORMULA_NAME TokenRing-COL-015-LTLFireability-12
FORMULA_NAME TokenRing-COL-015-LTLFireability-13
FORMULA_NAME TokenRing-COL-015-LTLFireability-14
FORMULA_NAME TokenRing-COL-015-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1716975021950

Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=TokenRing-COL-015
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-29 09:30:23] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2024-05-29 09:30:23] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-29 09:30:24] [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.
[2024-05-29 09:30:25] [WARNING] Using fallBack plugin, rng conformance not checked
[2024-05-29 09:30:25] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 1502 ms
[2024-05-29 09:30:25] [INFO ] Imported 1 HL places and 2 HL transitions for a total of 256 PT places and 4112.0 transition bindings in 22 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 26 ms.
Working with output stream class java.io.PrintStream
FORMULA TokenRing-COL-015-LTLFireability-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2024-05-29 09:30:25] [INFO ] Built PT skeleton of HLPN with 1 places and 2 transitions 4 arcs in 6 ms.
[2024-05-29 09:30:25] [INFO ] Skeletonized 4 HLPN properties in 2 ms. Removed 11 properties that had guard overlaps.
Computed a total of 1 stabilizing places and 0 stable transitions
All 15 properties of the HLPN use transition enablings in a way that makes the skeleton too coarse.
Domain [Process(16), Process(16)] of place State breaks symmetries in sort Process
[2024-05-29 09:30:25] [INFO ] Unfolded HLPN to a Petri net with 256 places and 3616 transitions 14464 arcs in 160 ms.
[2024-05-29 09:30:25] [INFO ] Unfolded 15 HLPN properties in 11 ms.
Initial state reduction rules removed 3 formulas.
FORMULA TokenRing-COL-015-LTLFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA TokenRing-COL-015-LTLFireability-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA TokenRing-COL-015-LTLFireability-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA TokenRing-COL-015-LTLFireability-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 256 out of 256 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 256/256 places, 3616/3616 transitions.
Applied a total of 0 rules in 41 ms. Remains 256 /256 variables (removed 0) and now considering 3616/3616 (removed 0) transitions.
// Phase 1: matrix 3616 rows 256 cols
[2024-05-29 09:30:32] [INFO ] Computed 16 invariants in 54 ms
[2024-05-29 09:30:33] [INFO ] Implicit Places using invariants in 311 ms returned []
[2024-05-29 09:30:33] [INFO ] Invariant cache hit.
[2024-05-29 09:30:34] [INFO ] State equation strengthened by 3390 read => feed constraints.
[2024-05-29 09:30:34] [INFO ] Implicit Places using invariants and state equation in 1519 ms returned []
Implicit Place search using SMT with State Equation took 1891 ms to find 0 implicit places.
Running 3601 sub problems to find dead transitions.
[2024-05-29 09:30:34] [INFO ] Invariant cache hit.
[2024-05-29 09:30:34] [INFO ] State equation strengthened by 3390 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/256 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 3601 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 256/3872 variables, and 16 constraints, problems are : Problem set: 0 solved, 3601 unsolved in 30121 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 0/256 constraints, ReadFeed: 0/3390 constraints, PredecessorRefiner: 3601/3601 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3601 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/256 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 3601 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 256/3872 variables, and 16 constraints, problems are : Problem set: 0 solved, 3601 unsolved in 30074 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 0/256 constraints, ReadFeed: 0/3390 constraints, PredecessorRefiner: 0/3601 constraints, Known Traps: 0/0 constraints]
After SMT, in 66038ms problems are : Problem set: 0 solved, 3601 unsolved
Search for dead transitions found 0 dead transitions in 66126ms
Finished structural reductions in LTL mode , in 1 iterations and 68103 ms. Remains : 256/256 places, 3616/3616 transitions.
Support contains 256 out of 256 places after structural reductions.
[2024-05-29 09:31:42] [INFO ] Flatten gal took : 685 ms
[2024-05-29 09:31:44] [INFO ] Flatten gal took : 555 ms
[2024-05-29 09:31:47] [INFO ] Input system was already deterministic with 3616 transitions.
Reduction of identical properties reduced properties to check from 6 to 3
RANDOM walk for 40000 steps (8 resets) in 10681 ms. (3 steps per ms) remains 1/3 properties
BEST_FIRST walk for 40000 steps (8 resets) in 6711 ms. (5 steps per ms) remains 1/1 properties
[2024-05-29 09:31:51] [INFO ] Invariant cache hit.
[2024-05-29 09:31:52] [INFO ] State equation strengthened by 3390 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/256 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/256 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 3616/3872 variables, 256/272 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/3872 variables, 3390/3662 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3872 variables, 0/3662 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 0/3872 variables, 0/3662 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3872/3872 variables, and 3662 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2108 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 256/256 constraints, ReadFeed: 3390/3390 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Problem AtomicPropp2 is UNSAT
After SMT solving in domain Int declared 256/3872 variables, and 16 constraints, problems are : Problem set: 1 solved, 0 unsolved in 234 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 0/256 constraints, ReadFeed: 0/3390 constraints, PredecessorRefiner: 0/0 constraints, Known Traps: 0/0 constraints]
After SMT, in 7003ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Successfully simplified 1 atomic propositions for a total of 11 simplifications.
Computed a total of 0 stabilizing places and 0 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 32 out of 256 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 256/256 places, 3616/3616 transitions.
Applied a total of 0 rules in 221 ms. Remains 256 /256 variables (removed 0) and now considering 3616/3616 (removed 0) transitions.
[2024-05-29 09:32:02] [INFO ] Invariant cache hit.
[2024-05-29 09:32:02] [INFO ] Implicit Places using invariants in 462 ms returned []
[2024-05-29 09:32:02] [INFO ] Invariant cache hit.
[2024-05-29 09:32:03] [INFO ] State equation strengthened by 3390 read => feed constraints.
[2024-05-29 09:32:10] [INFO ] Implicit Places using invariants and state equation in 7487 ms returned []
Implicit Place search using SMT with State Equation took 7956 ms to find 0 implicit places.
[2024-05-29 09:32:10] [INFO ] Redundant transitions in 281 ms returned []
Running 3601 sub problems to find dead transitions.
[2024-05-29 09:32:10] [INFO ] Invariant cache hit.
[2024-05-29 09:32:10] [INFO ] State equation strengthened by 3390 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/256 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 3601 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 256/3872 variables, and 16 constraints, problems are : Problem set: 0 solved, 3601 unsolved in 30073 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 0/256 constraints, ReadFeed: 0/3390 constraints, PredecessorRefiner: 3601/3601 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3601 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/256 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 3601 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 256/3872 variables, and 16 constraints, problems are : Problem set: 0 solved, 3601 unsolved in 30085 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 0/256 constraints, ReadFeed: 0/3390 constraints, PredecessorRefiner: 0/3601 constraints, Known Traps: 0/0 constraints]
After SMT, in 65580ms problems are : Problem set: 0 solved, 3601 unsolved
Search for dead transitions found 0 dead transitions in 65623ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 74100 ms. Remains : 256/256 places, 3616/3616 transitions.
Stuttering acceptance computed with spot in 201 ms :[(NOT p0)]
Running random walk in product with property : TokenRing-COL-015-LTLFireability-00
Product exploration explored 100000 steps with 0 reset in 895 ms.
Stack based approach found an accepted trace after 291 steps with 0 reset with depth 292 and stack size 292 in 11 ms.
FORMULA TokenRing-COL-015-LTLFireability-00 FALSE TECHNIQUES STACK_TEST
Treatment of property TokenRing-COL-015-LTLFireability-00 finished in 75319 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(p0)))'
Support contains 256 out of 256 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 256/256 places, 3616/3616 transitions.
Applied a total of 0 rules in 14 ms. Remains 256 /256 variables (removed 0) and now considering 3616/3616 (removed 0) transitions.
[2024-05-29 09:33:17] [INFO ] Invariant cache hit.
[2024-05-29 09:33:17] [INFO ] Implicit Places using invariants in 126 ms returned []
[2024-05-29 09:33:17] [INFO ] Invariant cache hit.
[2024-05-29 09:33:18] [INFO ] State equation strengthened by 3390 read => feed constraints.
[2024-05-29 09:33:18] [INFO ] Implicit Places using invariants and state equation in 1613 ms returned []
Implicit Place search using SMT with State Equation took 1746 ms to find 0 implicit places.
Running 3601 sub problems to find dead transitions.
[2024-05-29 09:33:18] [INFO ] Invariant cache hit.
[2024-05-29 09:33:19] [INFO ] State equation strengthened by 3390 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/256 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 3601 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 0.0)
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org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 256/3872 variables, and 16 constraints, problems are : Problem set: 0 solved, 3601 unsolved in 30075 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 0/256 constraints, ReadFeed: 0/3390 constraints, PredecessorRefiner: 3601/3601 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3601 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/256 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 3601 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 256/3872 variables, and 16 constraints, problems are : Problem set: 0 solved, 3601 unsolved in 30062 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 0/256 constraints, ReadFeed: 0/3390 constraints, PredecessorRefiner: 0/3601 constraints, Known Traps: 0/0 constraints]
After SMT, in 65570ms problems are : Problem set: 0 solved, 3601 unsolved
Search for dead transitions found 0 dead transitions in 65619ms
Finished structural reductions in LTL mode , in 1 iterations and 67390 ms. Remains : 256/256 places, 3616/3616 transitions.
Stuttering acceptance computed with spot in 79 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : TokenRing-COL-015-LTLFireability-04
Product exploration explored 100000 steps with 2180 reset in 6690 ms.
Product exploration explored 100000 steps with 2187 reset in 6637 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 : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 3 factoid took 85 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 74 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 162 steps (0 resets) in 20 ms. (7 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 103 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 69 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 69 ms :[(NOT p0), (NOT p0)]
[2024-05-29 09:34:54] [INFO ] Invariant cache hit.
Could not prove EG (NOT p0)
Support contains 256 out of 256 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 256/256 places, 3616/3616 transitions.
Applied a total of 0 rules in 64 ms. Remains 256 /256 variables (removed 0) and now considering 3616/3616 (removed 0) transitions.
[2024-05-29 09:35:10] [INFO ] Invariant cache hit.
[2024-05-29 09:35:10] [INFO ] Implicit Places using invariants in 63 ms returned []
[2024-05-29 09:35:10] [INFO ] Invariant cache hit.
[2024-05-29 09:35:10] [INFO ] State equation strengthened by 3390 read => feed constraints.
[2024-05-29 09:35:11] [INFO ] Implicit Places using invariants and state equation in 1194 ms returned []
Implicit Place search using SMT with State Equation took 1261 ms to find 0 implicit places.
[2024-05-29 09:35:11] [INFO ] Redundant transitions in 391 ms returned []
Running 3601 sub problems to find dead transitions.
[2024-05-29 09:35:11] [INFO ] Invariant cache hit.
[2024-05-29 09:35:11] [INFO ] State equation strengthened by 3390 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/256 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 3601 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 256/3872 variables, and 16 constraints, problems are : Problem set: 0 solved, 3601 unsolved in 30078 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 0/256 constraints, ReadFeed: 0/3390 constraints, PredecessorRefiner: 3601/3601 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3601 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/256 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 3601 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 256/3872 variables, and 16 constraints, problems are : Problem set: 0 solved, 3601 unsolved in 30065 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 0/256 constraints, ReadFeed: 0/3390 constraints, PredecessorRefiner: 0/3601 constraints, Known Traps: 0/0 constraints]
After SMT, in 65009ms problems are : Problem set: 0 solved, 3601 unsolved
Search for dead transitions found 0 dead transitions in 65047ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 66781 ms. Remains : 256/256 places, 3616/3616 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 : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 92 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 87 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 191 steps (0 resets) in 25 ms. (7 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 114 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 70 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 72 ms :[(NOT p0), (NOT p0)]
[2024-05-29 09:36:33] [INFO ] Invariant cache hit.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:299)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:828)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testEGap(DeadlockTester.java:584)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.computeEGknowledge(LTLPropertySolver.java:619)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:581)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:262)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:958)
at fr.lip6.move.gal.application.Application.start(Application.java:189)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:651)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:588)
at org.eclipse.equinox.launcher.Main.run(Main.java:1459)
at org.eclipse.equinox.launcher.Main.main(Main.java:1432)
[2024-05-29 09:36:49] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ... while checking expression EG (NOT p0)
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 77 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 2189 reset in 7025 ms.
Product exploration explored 100000 steps with 2196 reset in 6839 ms.
Support contains 256 out of 256 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 256/256 places, 3616/3616 transitions.
Applied a total of 0 rules in 57 ms. Remains 256 /256 variables (removed 0) and now considering 3616/3616 (removed 0) transitions.
[2024-05-29 09:37:03] [INFO ] Invariant cache hit.
[2024-05-29 09:37:03] [INFO ] Implicit Places using invariants in 68 ms returned []
[2024-05-29 09:37:03] [INFO ] Invariant cache hit.
[2024-05-29 09:37:03] [INFO ] State equation strengthened by 3390 read => feed constraints.
[2024-05-29 09:37:04] [INFO ] Implicit Places using invariants and state equation in 1243 ms returned []
Implicit Place search using SMT with State Equation took 1326 ms to find 0 implicit places.
[2024-05-29 09:37:04] [INFO ] Redundant transitions in 143 ms returned []
Running 3601 sub problems to find dead transitions.
[2024-05-29 09:37:04] [INFO ] Invariant cache hit.
[2024-05-29 09:37:04] [INFO ] State equation strengthened by 3390 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/256 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 3601 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 256/3872 variables, and 16 constraints, problems are : Problem set: 0 solved, 3601 unsolved in 30121 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 0/256 constraints, ReadFeed: 0/3390 constraints, PredecessorRefiner: 3601/3601 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3601 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/256 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 3601 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 256/3872 variables, and 16 constraints, problems are : Problem set: 0 solved, 3601 unsolved in 30064 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 0/256 constraints, ReadFeed: 0/3390 constraints, PredecessorRefiner: 0/3601 constraints, Known Traps: 0/0 constraints]
After SMT, in 65456ms problems are : Problem set: 0 solved, 3601 unsolved
Search for dead transitions found 0 dead transitions in 65493ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 67036 ms. Remains : 256/256 places, 3616/3616 transitions.
Treatment of property TokenRing-COL-015-LTLFireability-04 finished in 293893 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X((G(p2)||G(!p3)||p1))||p0)))'
Support contains 256 out of 256 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 256/256 places, 3616/3616 transitions.
Applied a total of 0 rules in 10 ms. Remains 256 /256 variables (removed 0) and now considering 3616/3616 (removed 0) transitions.
[2024-05-29 09:38:11] [INFO ] Invariant cache hit.
[2024-05-29 09:38:11] [INFO ] Implicit Places using invariants in 86 ms returned []
[2024-05-29 09:38:11] [INFO ] Invariant cache hit.
[2024-05-29 09:38:12] [INFO ] State equation strengthened by 3390 read => feed constraints.
[2024-05-29 09:38:12] [INFO ] Implicit Places using invariants and state equation in 1302 ms returned []
Implicit Place search using SMT with State Equation took 1395 ms to find 0 implicit places.
Running 3601 sub problems to find dead transitions.
[2024-05-29 09:38:12] [INFO ] Invariant cache hit.
[2024-05-29 09:38:12] [INFO ] State equation strengthened by 3390 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/256 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 3601 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 256/3872 variables, and 16 constraints, problems are : Problem set: 0 solved, 3601 unsolved in 30102 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 0/256 constraints, ReadFeed: 0/3390 constraints, PredecessorRefiner: 3601/3601 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3601 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/256 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 3601 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 256/3872 variables, and 16 constraints, problems are : Problem set: 0 solved, 3601 unsolved in 30059 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 0/256 constraints, ReadFeed: 0/3390 constraints, PredecessorRefiner: 0/3601 constraints, Known Traps: 0/0 constraints]
After SMT, in 65802ms problems are : Problem set: 0 solved, 3601 unsolved
Search for dead transitions found 0 dead transitions in 65850ms
Finished structural reductions in LTL mode , in 1 iterations and 67274 ms. Remains : 256/256 places, 3616/3616 transitions.
Stuttering acceptance computed with spot in 312 ms :[true, (AND (NOT p0) p3 (NOT p2) (NOT p1)), (AND (NOT p0) p3 (NOT p2) (NOT p1)), p3, (AND p3 (NOT p2)), (AND p3 (NOT p2) (NOT p1)), (NOT p2)]
Running random walk in product with property : TokenRing-COL-015-LTLFireability-05
Product exploration explored 100000 steps with 50000 reset in 1090 ms.
Product exploration explored 100000 steps with 50000 reset in 1112 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 p3) (NOT p2) p1), (X p0), (X (X (NOT p2))), (X (X (NOT p3))), (X (X (NOT (AND (NOT p1) (NOT p2) (NOT p3))))), (X (X (NOT (AND (NOT p1) p2 p3)))), (X (X (NOT (AND (NOT p1) p2 (NOT p3))))), (X (X (NOT (AND (NOT p1) (NOT p2) p3)))), (X (X p1))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 9 factoid took 26 ms. Reduced automaton from 7 states, 15 edges and 4 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA TokenRing-COL-015-LTLFireability-05 TRUE TECHNIQUES KNOWLEDGE
Treatment of property TokenRing-COL-015-LTLFireability-05 finished in 70023 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(G(p0))&&(X(G(p0))||p1))))'
Support contains 32 out of 256 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 256/256 places, 3616/3616 transitions.
Applied a total of 0 rules in 37 ms. Remains 256 /256 variables (removed 0) and now considering 3616/3616 (removed 0) transitions.
[2024-05-29 09:39:21] [INFO ] Invariant cache hit.
[2024-05-29 09:39:21] [INFO ] Implicit Places using invariants in 643 ms returned []
[2024-05-29 09:39:21] [INFO ] Invariant cache hit.
[2024-05-29 09:39:22] [INFO ] State equation strengthened by 3390 read => feed constraints.
[2024-05-29 09:39:28] [INFO ] Implicit Places using invariants and state equation in 7147 ms returned []
Implicit Place search using SMT with State Equation took 7795 ms to find 0 implicit places.
Running 3601 sub problems to find dead transitions.
[2024-05-29 09:39:28] [INFO ] Invariant cache hit.
[2024-05-29 09:39:28] [INFO ] State equation strengthened by 3390 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/256 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 3601 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 0.0)
(s1 0.0)
(s2 0.0)
(s3 0.0)
(s4 0.0)
(s5 0.0)
(s6 0.0)
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(s8 0.0)
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(s10 0.0)
(s11 0.0)
(s12 0.0)
(s13 0.0)
(s14 1.0)
(s15 0.0)
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(s17 0.0)
(s18 0.0)
(s19 0.0)
(s20 0.0)
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(s22 0.0)
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(s24 0.0)
(s25 0.0)
(s26 1.0)
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(s31 0.0)
(s32 0.0)
(s33 0.0)
(s34 0.0)
(s35 0.0)
(s36 0.0)
(s37 0.0)
(s38 0.0)
(s39 0.0)
(s40 1.0)
(s41 0.0)
(s42 0.0)
(s43 0.0)
(s44 0.0)
(s45 0.0)
(s46 0.0)
(s47 0.0)
(s48 0.0)
(s49 0.0)
(s50 0.0)
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(s63 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 256/3872 variables, and 16 constraints, problems are : Problem set: 0 solved, 3601 unsolved in 30059 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 0/256 constraints, ReadFeed: 0/3390 constraints, PredecessorRefiner: 3601/3601 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3601 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/256 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 3601 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 256/3872 variables, and 16 constraints, problems are : Problem set: 0 solved, 3601 unsolved in 30063 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 0/256 constraints, ReadFeed: 0/3390 constraints, PredecessorRefiner: 0/3601 constraints, Known Traps: 0/0 constraints]
After SMT, in 65559ms problems are : Problem set: 0 solved, 3601 unsolved
Search for dead transitions found 0 dead transitions in 65598ms
Finished structural reductions in LTL mode , in 1 iterations and 73438 ms. Remains : 256/256 places, 3616/3616 transitions.
Stuttering acceptance computed with spot in 144 ms :[(NOT p0), (NOT p0), (NOT p0), true]
Running random walk in product with property : TokenRing-COL-015-LTLFireability-06
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA TokenRing-COL-015-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property TokenRing-COL-015-LTLFireability-06 finished in 73617 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 32 out of 256 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 256/256 places, 3616/3616 transitions.
Applied a total of 0 rules in 78 ms. Remains 256 /256 variables (removed 0) and now considering 3616/3616 (removed 0) transitions.
[2024-05-29 09:40:34] [INFO ] Invariant cache hit.
[2024-05-29 09:40:35] [INFO ] Implicit Places using invariants in 425 ms returned []
[2024-05-29 09:40:35] [INFO ] Invariant cache hit.
[2024-05-29 09:40:35] [INFO ] State equation strengthened by 3390 read => feed constraints.
[2024-05-29 09:40:42] [INFO ] Implicit Places using invariants and state equation in 7060 ms returned []
Implicit Place search using SMT with State Equation took 7487 ms to find 0 implicit places.
[2024-05-29 09:40:42] [INFO ] Redundant transitions in 148 ms returned []
Running 3601 sub problems to find dead transitions.
[2024-05-29 09:40:42] [INFO ] Invariant cache hit.
[2024-05-29 09:40:42] [INFO ] State equation strengthened by 3390 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/256 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 3601 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 256/3872 variables, and 16 constraints, problems are : Problem set: 0 solved, 3601 unsolved in 30060 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 0/256 constraints, ReadFeed: 0/3390 constraints, PredecessorRefiner: 3601/3601 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3601 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/256 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 3601 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 256/3872 variables, and 16 constraints, problems are : Problem set: 0 solved, 3601 unsolved in 30092 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 0/256 constraints, ReadFeed: 0/3390 constraints, PredecessorRefiner: 0/3601 constraints, Known Traps: 0/0 constraints]
After SMT, in 65332ms problems are : Problem set: 0 solved, 3601 unsolved
Search for dead transitions found 0 dead transitions in 65371ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 73102 ms. Remains : 256/256 places, 3616/3616 transitions.
Stuttering acceptance computed with spot in 51 ms :[(NOT p0)]
Running random walk in product with property : TokenRing-COL-015-LTLFireability-07
Product exploration explored 100000 steps with 0 reset in 808 ms.
Stack based approach found an accepted trace after 298 steps with 0 reset with depth 299 and stack size 299 in 4 ms.
FORMULA TokenRing-COL-015-LTLFireability-07 FALSE TECHNIQUES STACK_TEST
Treatment of property TokenRing-COL-015-LTLFireability-07 finished in 73988 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 32 out of 256 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 256/256 places, 3616/3616 transitions.
Applied a total of 0 rules in 111 ms. Remains 256 /256 variables (removed 0) and now considering 3616/3616 (removed 0) transitions.
[2024-05-29 09:41:48] [INFO ] Invariant cache hit.
[2024-05-29 09:41:49] [INFO ] Implicit Places using invariants in 722 ms returned []
[2024-05-29 09:41:49] [INFO ] Invariant cache hit.
[2024-05-29 09:41:50] [INFO ] State equation strengthened by 3390 read => feed constraints.
[2024-05-29 09:41:56] [INFO ] Implicit Places using invariants and state equation in 6544 ms returned []
Implicit Place search using SMT with State Equation took 7268 ms to find 0 implicit places.
[2024-05-29 09:41:56] [INFO ] Redundant transitions in 140 ms returned []
Running 3601 sub problems to find dead transitions.
[2024-05-29 09:41:56] [INFO ] Invariant cache hit.
[2024-05-29 09:41:56] [INFO ] State equation strengthened by 3390 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/256 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 3601 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 256/3872 variables, and 16 constraints, problems are : Problem set: 0 solved, 3601 unsolved in 30059 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 0/256 constraints, ReadFeed: 0/3390 constraints, PredecessorRefiner: 3601/3601 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3601 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/256 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 3601 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 256/3872 variables, and 16 constraints, problems are : Problem set: 0 solved, 3601 unsolved in 30098 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 0/256 constraints, ReadFeed: 0/3390 constraints, PredecessorRefiner: 0/3601 constraints, Known Traps: 0/0 constraints]
After SMT, in 65788ms problems are : Problem set: 0 solved, 3601 unsolved
Search for dead transitions found 0 dead transitions in 65826ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 73359 ms. Remains : 256/256 places, 3616/3616 transitions.
Stuttering acceptance computed with spot in 79 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : TokenRing-COL-015-LTLFireability-08
Product exploration explored 100000 steps with 2182 reset in 754 ms.
Product exploration explored 100000 steps with 2189 reset in 597 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 : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 80 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 70 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 177 steps (0 resets) in 7 ms. (22 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 100 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 70 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 68 ms :[(NOT p0), (NOT p0)]
[2024-05-29 09:43:03] [INFO ] Invariant cache hit.
[2024-05-29 09:43:06] [INFO ] [Real]Absence check using 16 positive place invariants in 9 ms returned sat
[2024-05-29 09:43:07] [INFO ] [Real]Absence check using state equation in 756 ms returned sat
[2024-05-29 09:43:07] [INFO ] Solution in real domain found non-integer solution.
[2024-05-29 09:43:09] [INFO ] [Nat]Absence check using 16 positive place invariants in 9 ms returned sat
[2024-05-29 09:43:10] [INFO ] [Nat]Absence check using state equation in 742 ms returned sat
[2024-05-29 09:43:10] [INFO ] State equation strengthened by 3390 read => feed constraints.
[2024-05-29 09:43:11] [INFO ] [Nat]Added 3390 Read/Feed constraints in 921 ms returned sat
[2024-05-29 09:43:12] [INFO ] Computed and/alt/rep : 15/15/15 causal constraints (skipped 3586 transitions) in 364 ms.
[2024-05-29 09:43:12] [INFO ] Added : 2 causal constraints over 1 iterations in 888 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 32 out of 256 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 256/256 places, 3616/3616 transitions.
Applied a total of 0 rules in 68 ms. Remains 256 /256 variables (removed 0) and now considering 3616/3616 (removed 0) transitions.
[2024-05-29 09:43:12] [INFO ] Invariant cache hit.
[2024-05-29 09:43:13] [INFO ] Implicit Places using invariants in 450 ms returned []
[2024-05-29 09:43:13] [INFO ] Invariant cache hit.
[2024-05-29 09:43:14] [INFO ] State equation strengthened by 3390 read => feed constraints.
[2024-05-29 09:43:20] [INFO ] Implicit Places using invariants and state equation in 7298 ms returned []
Implicit Place search using SMT with State Equation took 7751 ms to find 0 implicit places.
[2024-05-29 09:43:20] [INFO ] Redundant transitions in 145 ms returned []
Running 3601 sub problems to find dead transitions.
[2024-05-29 09:43:20] [INFO ] Invariant cache hit.
[2024-05-29 09:43:20] [INFO ] State equation strengthened by 3390 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/256 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 3601 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 256/3872 variables, and 16 constraints, problems are : Problem set: 0 solved, 3601 unsolved in 30066 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 0/256 constraints, ReadFeed: 0/3390 constraints, PredecessorRefiner: 3601/3601 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3601 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/256 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 3601 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 256/3872 variables, and 16 constraints, problems are : Problem set: 0 solved, 3601 unsolved in 30062 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 0/256 constraints, ReadFeed: 0/3390 constraints, PredecessorRefiner: 0/3601 constraints, Known Traps: 0/0 constraints]
After SMT, in 65195ms problems are : Problem set: 0 solved, 3601 unsolved
Search for dead transitions found 0 dead transitions in 65235ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 73213 ms. Remains : 256/256 places, 3616/3616 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 : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 77 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 69 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 184 steps (0 resets) in 5 ms. (30 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 114 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 84 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 73 ms :[(NOT p0), (NOT p0)]
[2024-05-29 09:44:26] [INFO ] Invariant cache hit.
[2024-05-29 09:44:29] [INFO ] [Real]Absence check using 16 positive place invariants in 9 ms returned sat
[2024-05-29 09:44:29] [INFO ] [Real]Absence check using state equation in 765 ms returned sat
[2024-05-29 09:44:29] [INFO ] Solution in real domain found non-integer solution.
[2024-05-29 09:44:32] [INFO ] [Nat]Absence check using 16 positive place invariants in 12 ms returned sat
[2024-05-29 09:44:33] [INFO ] [Nat]Absence check using state equation in 998 ms returned sat
[2024-05-29 09:44:33] [INFO ] State equation strengthened by 3390 read => feed constraints.
[2024-05-29 09:44:34] [INFO ] [Nat]Added 3390 Read/Feed constraints in 903 ms returned sat
[2024-05-29 09:44:34] [INFO ] Computed and/alt/rep : 15/15/15 causal constraints (skipped 3586 transitions) in 476 ms.
[2024-05-29 09:44:35] [INFO ] Added : 2 causal constraints over 1 iterations in 1090 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 72 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 2197 reset in 856 ms.
Product exploration explored 100000 steps with 2192 reset in 542 ms.
Support contains 32 out of 256 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 256/256 places, 3616/3616 transitions.
Applied a total of 0 rules in 65 ms. Remains 256 /256 variables (removed 0) and now considering 3616/3616 (removed 0) transitions.
[2024-05-29 09:44:37] [INFO ] Invariant cache hit.
[2024-05-29 09:44:37] [INFO ] Implicit Places using invariants in 511 ms returned []
[2024-05-29 09:44:37] [INFO ] Invariant cache hit.
[2024-05-29 09:44:38] [INFO ] State equation strengthened by 3390 read => feed constraints.
[2024-05-29 09:44:44] [INFO ] Implicit Places using invariants and state equation in 7274 ms returned []
Implicit Place search using SMT with State Equation took 7787 ms to find 0 implicit places.
[2024-05-29 09:44:45] [INFO ] Redundant transitions in 143 ms returned []
Running 3601 sub problems to find dead transitions.
[2024-05-29 09:44:45] [INFO ] Invariant cache hit.
[2024-05-29 09:44:45] [INFO ] State equation strengthened by 3390 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/256 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 3601 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 256/3872 variables, and 16 constraints, problems are : Problem set: 0 solved, 3601 unsolved in 30097 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 0/256 constraints, ReadFeed: 0/3390 constraints, PredecessorRefiner: 3601/3601 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3601 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/256 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 3601 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 256/3872 variables, and 16 constraints, problems are : Problem set: 0 solved, 3601 unsolved in 30062 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 0/256 constraints, ReadFeed: 0/3390 constraints, PredecessorRefiner: 0/3601 constraints, Known Traps: 0/0 constraints]
After SMT, in 65048ms problems are : Problem set: 0 solved, 3601 unsolved
Search for dead transitions found 0 dead transitions in 65087ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 73099 ms. Remains : 256/256 places, 3616/3616 transitions.
Treatment of property TokenRing-COL-015-LTLFireability-08 finished in 242096 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(p0)))'
Support contains 256 out of 256 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 256/256 places, 3616/3616 transitions.
Applied a total of 0 rules in 9 ms. Remains 256 /256 variables (removed 0) and now considering 3616/3616 (removed 0) transitions.
[2024-05-29 09:45:50] [INFO ] Invariant cache hit.
[2024-05-29 09:45:50] [INFO ] Implicit Places using invariants in 64 ms returned []
[2024-05-29 09:45:50] [INFO ] Invariant cache hit.
[2024-05-29 09:45:51] [INFO ] State equation strengthened by 3390 read => feed constraints.
[2024-05-29 09:45:52] [INFO ] Implicit Places using invariants and state equation in 1207 ms returned []
Implicit Place search using SMT with State Equation took 1274 ms to find 0 implicit places.
Running 3601 sub problems to find dead transitions.
[2024-05-29 09:45:52] [INFO ] Invariant cache hit.
[2024-05-29 09:45:52] [INFO ] State equation strengthened by 3390 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/256 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 3601 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 256/3872 variables, and 16 constraints, problems are : Problem set: 0 solved, 3601 unsolved in 30075 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 0/256 constraints, ReadFeed: 0/3390 constraints, PredecessorRefiner: 3601/3601 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3601 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/256 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 3601 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 256/3872 variables, and 16 constraints, problems are : Problem set: 0 solved, 3601 unsolved in 30056 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 0/256 constraints, ReadFeed: 0/3390 constraints, PredecessorRefiner: 0/3601 constraints, Known Traps: 0/0 constraints]
After SMT, in 65944ms problems are : Problem set: 0 solved, 3601 unsolved
Search for dead transitions found 0 dead transitions in 65984ms
Finished structural reductions in LTL mode , in 1 iterations and 67274 ms. Remains : 256/256 places, 3616/3616 transitions.
Stuttering acceptance computed with spot in 97 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : TokenRing-COL-015-LTLFireability-09
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA TokenRing-COL-015-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property TokenRing-COL-015-LTLFireability-09 finished in 67409 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(!p0)))'
Support contains 256 out of 256 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 256/256 places, 3616/3616 transitions.
Applied a total of 0 rules in 18 ms. Remains 256 /256 variables (removed 0) and now considering 3616/3616 (removed 0) transitions.
[2024-05-29 09:46:58] [INFO ] Invariant cache hit.
[2024-05-29 09:46:58] [INFO ] Implicit Places using invariants in 211 ms returned []
[2024-05-29 09:46:58] [INFO ] Invariant cache hit.
[2024-05-29 09:46:59] [INFO ] State equation strengthened by 3390 read => feed constraints.
[2024-05-29 09:46:59] [INFO ] Implicit Places using invariants and state equation in 1561 ms returned []
Implicit Place search using SMT with State Equation took 1776 ms to find 0 implicit places.
Running 3601 sub problems to find dead transitions.
[2024-05-29 09:46:59] [INFO ] Invariant cache hit.
[2024-05-29 09:47:00] [INFO ] State equation strengthened by 3390 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/256 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 3601 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 256/3872 variables, and 16 constraints, problems are : Problem set: 0 solved, 3601 unsolved in 30054 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 0/256 constraints, ReadFeed: 0/3390 constraints, PredecessorRefiner: 3601/3601 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3601 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/256 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 3601 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 256/3872 variables, and 16 constraints, problems are : Problem set: 0 solved, 3601 unsolved in 30055 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 0/256 constraints, ReadFeed: 0/3390 constraints, PredecessorRefiner: 0/3601 constraints, Known Traps: 0/0 constraints]
After SMT, in 65789ms problems are : Problem set: 0 solved, 3601 unsolved
Search for dead transitions found 0 dead transitions in 65828ms
Finished structural reductions in LTL mode , in 1 iterations and 67630 ms. Remains : 256/256 places, 3616/3616 transitions.
Stuttering acceptance computed with spot in 73 ms :[p0, p0]
Running random walk in product with property : TokenRing-COL-015-LTLFireability-10
Product exploration explored 100000 steps with 50000 reset in 1065 ms.
Product exploration explored 100000 steps with 50000 reset in 1114 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 : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 3 factoid took 16 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA TokenRing-COL-015-LTLFireability-10 TRUE TECHNIQUES KNOWLEDGE
Treatment of property TokenRing-COL-015-LTLFireability-10 finished in 69953 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(p0)&&X(X(X(X(G(!p1))))))))'
Support contains 256 out of 256 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 256/256 places, 3616/3616 transitions.
Applied a total of 0 rules in 9 ms. Remains 256 /256 variables (removed 0) and now considering 3616/3616 (removed 0) transitions.
[2024-05-29 09:48:08] [INFO ] Invariant cache hit.
[2024-05-29 09:48:08] [INFO ] Implicit Places using invariants in 80 ms returned []
[2024-05-29 09:48:08] [INFO ] Invariant cache hit.
[2024-05-29 09:48:09] [INFO ] State equation strengthened by 3390 read => feed constraints.
[2024-05-29 09:48:09] [INFO ] Implicit Places using invariants and state equation in 1294 ms returned []
Implicit Place search using SMT with State Equation took 1380 ms to find 0 implicit places.
Running 3601 sub problems to find dead transitions.
[2024-05-29 09:48:09] [INFO ] Invariant cache hit.
[2024-05-29 09:48:09] [INFO ] State equation strengthened by 3390 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/256 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 3601 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 Real declared 256/3872 variables, and 16 constraints, problems are : Problem set: 0 solved, 3601 unsolved in 30076 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 0/256 constraints, ReadFeed: 0/3390 constraints, PredecessorRefiner: 3601/3601 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3601 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/256 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 3601 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 256/3872 variables, and 16 constraints, problems are : Problem set: 0 solved, 3601 unsolved in 30100 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 0/256 constraints, ReadFeed: 0/3390 constraints, PredecessorRefiner: 0/3601 constraints, Known Traps: 0/0 constraints]
After SMT, in 65415ms problems are : Problem set: 0 solved, 3601 unsolved
Search for dead transitions found 0 dead transitions in 65454ms
Finished structural reductions in LTL mode , in 1 iterations and 66851 ms. Remains : 256/256 places, 3616/3616 transitions.
Stuttering acceptance computed with spot in 365 ms :[(OR (NOT p0) p1), (OR (NOT p0) p1), (NOT p0), p1, p1, p1, p1, true]
Running random walk in product with property : TokenRing-COL-015-LTLFireability-11
Entered a terminal (fully accepting) state of product in 42 steps with 0 reset in 5 ms.
FORMULA TokenRing-COL-015-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property TokenRing-COL-015-LTLFireability-11 finished in 67266 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G((!p0&&(!p0 U p1)))))'
Support contains 256 out of 256 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 256/256 places, 3616/3616 transitions.
Applied a total of 0 rules in 48 ms. Remains 256 /256 variables (removed 0) and now considering 3616/3616 (removed 0) transitions.
[2024-05-29 09:49:15] [INFO ] Invariant cache hit.
[2024-05-29 09:49:15] [INFO ] Implicit Places using invariants in 81 ms returned []
[2024-05-29 09:49:15] [INFO ] Invariant cache hit.
[2024-05-29 09:49:16] [INFO ] State equation strengthened by 3390 read => feed constraints.
[2024-05-29 09:49:17] [INFO ] Implicit Places using invariants and state equation in 1613 ms returned []
Implicit Place search using SMT with State Equation took 1696 ms to find 0 implicit places.
[2024-05-29 09:49:17] [INFO ] Redundant transitions in 243 ms returned []
Running 3601 sub problems to find dead transitions.
[2024-05-29 09:49:17] [INFO ] Invariant cache hit.
[2024-05-29 09:49:17] [INFO ] State equation strengthened by 3390 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/256 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 3601 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 256/3872 variables, and 16 constraints, problems are : Problem set: 0 solved, 3601 unsolved in 30077 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 0/256 constraints, ReadFeed: 0/3390 constraints, PredecessorRefiner: 3601/3601 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3601 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/256 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 3601 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 256/3872 variables, and 16 constraints, problems are : Problem set: 0 solved, 3601 unsolved in 30086 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 0/256 constraints, ReadFeed: 0/3390 constraints, PredecessorRefiner: 0/3601 constraints, Known Traps: 0/0 constraints]
After SMT, in 66448ms problems are : Problem set: 0 solved, 3601 unsolved
Search for dead transitions found 0 dead transitions in 66514ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 68531 ms. Remains : 256/256 places, 3616/3616 transitions.
Stuttering acceptance computed with spot in 94 ms :[(OR (NOT p1) p0), (NOT p1)]
Running random walk in product with property : TokenRing-COL-015-LTLFireability-14
Product exploration timeout after 76270 steps with 1678 reset in 10001 ms.
Product exploration timeout after 73430 steps with 1600 reset in 10003 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 p0) (NOT p1)), (X (NOT (AND p0 (NOT p1)))), (X (NOT p0)), (X (AND (NOT p0) (NOT p1))), (X (NOT p1)), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p0))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 110 ms. Reduced automaton from 2 states, 5 edges and 2 AP (stutter insensitive) to 2 states, 5 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 77 ms :[(OR (NOT p1) p0), (NOT p1)]
RANDOM walk for 40000 steps (8 resets) in 8294 ms. (4 steps per ms) remains 1/4 properties
BEST_FIRST walk for 40000 steps (8 resets) in 8882 ms. (4 steps per ms) remains 1/1 properties
[2024-05-29 09:50:50] [INFO ] Invariant cache hit.
[2024-05-29 09:50:50] [INFO ] State equation strengthened by 3390 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/256 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/256 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 3616/3872 variables, 256/272 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/3872 variables, 3390/3662 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3872 variables, 0/3662 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 0/3872 variables, 0/3662 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3872/3872 variables, and 3662 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2189 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 256/256 constraints, ReadFeed: 3390/3390 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Problem apf2 is UNSAT
After SMT solving in domain Int declared 256/3872 variables, and 16 constraints, problems are : Problem set: 1 solved, 0 unsolved in 176 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 0/256 constraints, ReadFeed: 0/3390 constraints, PredecessorRefiner: 0/0 constraints, Known Traps: 0/0 constraints]
After SMT, in 7146ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT (AND p0 (NOT p1)))), (X (NOT p0)), (X (AND (NOT p0) (NOT p1))), (X (NOT p1)), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p0))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT p1))), (G (OR p1 (NOT p0)))]
False Knowledge obtained : [(F p1), (F (NOT (AND (NOT p1) (NOT p0)))), (F p0)]
Knowledge based reduction with 10 factoid took 962 ms. Reduced automaton from 2 states, 5 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 88 ms :[(OR (NOT p1) p0), (NOT p1)]
Stuttering acceptance computed with spot in 74 ms :[(OR (NOT p1) p0), (NOT p1)]
[2024-05-29 09:50:58] [INFO ] Invariant cache hit.
[2024-05-29 09:51:01] [INFO ] [Real]Absence check using 16 positive place invariants in 9 ms returned sat
[2024-05-29 09:51:02] [INFO ] [Real]Absence check using state equation in 768 ms returned sat
[2024-05-29 09:51:02] [INFO ] Solution in real domain found non-integer solution.
[2024-05-29 09:51:04] [INFO ] [Nat]Absence check using 16 positive place invariants in 9 ms returned sat
[2024-05-29 09:51:05] [INFO ] [Nat]Absence check using state equation in 780 ms returned sat
[2024-05-29 09:51:05] [INFO ] State equation strengthened by 3390 read => feed constraints.
[2024-05-29 09:51:06] [INFO ] [Nat]Added 3390 Read/Feed constraints in 1081 ms returned sat
[2024-05-29 09:51:07] [INFO ] Computed and/alt/rep : 15/15/15 causal constraints (skipped 3586 transitions) in 331 ms.
[2024-05-29 09:51:07] [INFO ] Added : 2 causal constraints over 1 iterations in 894 ms. Result :sat
Could not prove EG (NOT p1)
Support contains 256 out of 256 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 256/256 places, 3616/3616 transitions.
Applied a total of 0 rules in 80 ms. Remains 256 /256 variables (removed 0) and now considering 3616/3616 (removed 0) transitions.
[2024-05-29 09:51:07] [INFO ] Invariant cache hit.
[2024-05-29 09:51:07] [INFO ] Implicit Places using invariants in 75 ms returned []
[2024-05-29 09:51:07] [INFO ] Invariant cache hit.
[2024-05-29 09:51:08] [INFO ] State equation strengthened by 3390 read => feed constraints.
[2024-05-29 09:51:09] [INFO ] Implicit Places using invariants and state equation in 1564 ms returned []
Implicit Place search using SMT with State Equation took 1642 ms to find 0 implicit places.
[2024-05-29 09:51:09] [INFO ] Redundant transitions in 236 ms returned []
Running 3601 sub problems to find dead transitions.
[2024-05-29 09:51:09] [INFO ] Invariant cache hit.
[2024-05-29 09:51:09] [INFO ] State equation strengthened by 3390 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/256 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 3601 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 256/3872 variables, and 16 constraints, problems are : Problem set: 0 solved, 3601 unsolved in 30101 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 0/256 constraints, ReadFeed: 0/3390 constraints, PredecessorRefiner: 3601/3601 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3601 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/256 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 3601 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 256/3872 variables, and 16 constraints, problems are : Problem set: 0 solved, 3601 unsolved in 30097 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 0/256 constraints, ReadFeed: 0/3390 constraints, PredecessorRefiner: 0/3601 constraints, Known Traps: 0/0 constraints]
After SMT, in 65790ms problems are : Problem set: 0 solved, 3601 unsolved
Search for dead transitions found 0 dead transitions in 65829ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 67799 ms. Remains : 256/256 places, 3616/3616 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 (NOT p0) (NOT p1)), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 84 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 69 ms :[(OR (NOT p1) p0), (NOT p1)]
RANDOM walk for 190 steps (0 resets) in 29 ms. (6 steps per ms) remains 0/2 properties
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : [(F p0), (F p1)]
Knowledge based reduction with 5 factoid took 187 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 102 ms :[(OR (NOT p1) p0), (NOT p1)]
Stuttering acceptance computed with spot in 102 ms :[(OR (NOT p1) p0), (NOT p1)]
[2024-05-29 09:52:17] [INFO ] Invariant cache hit.
[2024-05-29 09:52:20] [INFO ] [Real]Absence check using 16 positive place invariants in 9 ms returned sat
[2024-05-29 09:52:21] [INFO ] [Real]Absence check using state equation in 881 ms returned sat
[2024-05-29 09:52:21] [INFO ] Solution in real domain found non-integer solution.
[2024-05-29 09:52:24] [INFO ] [Nat]Absence check using 16 positive place invariants in 9 ms returned sat
[2024-05-29 09:52:25] [INFO ] [Nat]Absence check using state equation in 880 ms returned sat
[2024-05-29 09:52:25] [INFO ] State equation strengthened by 3390 read => feed constraints.
[2024-05-29 09:52:26] [INFO ] [Nat]Added 3390 Read/Feed constraints in 1104 ms returned sat
[2024-05-29 09:52:27] [INFO ] Computed and/alt/rep : 15/15/15 causal constraints (skipped 3586 transitions) in 318 ms.
[2024-05-29 09:52:27] [INFO ] Added : 2 causal constraints over 1 iterations in 777 ms. Result :sat
Could not prove EG (NOT p1)
Stuttering acceptance computed with spot in 70 ms :[(OR (NOT p1) p0), (NOT p1)]
Product exploration explored 100000 steps with 2183 reset in 709 ms.
Product exploration explored 100000 steps with 2179 reset in 990 ms.
Support contains 256 out of 256 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 256/256 places, 3616/3616 transitions.
Applied a total of 0 rules in 47 ms. Remains 256 /256 variables (removed 0) and now considering 3616/3616 (removed 0) transitions.
[2024-05-29 09:52:29] [INFO ] Invariant cache hit.
[2024-05-29 09:52:29] [INFO ] Implicit Places using invariants in 60 ms returned []
[2024-05-29 09:52:29] [INFO ] Invariant cache hit.
[2024-05-29 09:52:30] [INFO ] State equation strengthened by 3390 read => feed constraints.
[2024-05-29 09:52:30] [INFO ] Implicit Places using invariants and state equation in 1181 ms returned []
Implicit Place search using SMT with State Equation took 1242 ms to find 0 implicit places.
[2024-05-29 09:52:30] [INFO ] Redundant transitions in 152 ms returned []
Running 3601 sub problems to find dead transitions.
[2024-05-29 09:52:30] [INFO ] Invariant cache hit.
[2024-05-29 09:52:31] [INFO ] State equation strengthened by 3390 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/256 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 3601 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 256/3872 variables, and 16 constraints, problems are : Problem set: 0 solved, 3601 unsolved in 30094 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 0/256 constraints, ReadFeed: 0/3390 constraints, PredecessorRefiner: 3601/3601 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3601 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/256 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 3601 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 256/3872 variables, and 16 constraints, problems are : Problem set: 0 solved, 3601 unsolved in 30068 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 0/256 constraints, ReadFeed: 0/3390 constraints, PredecessorRefiner: 0/3601 constraints, Known Traps: 0/0 constraints]
After SMT, in 66249ms problems are : Problem set: 0 solved, 3601 unsolved
Search for dead transitions found 0 dead transitions in 66329ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 67790 ms. Remains : 256/256 places, 3616/3616 transitions.
Treatment of property TokenRing-COL-015-LTLFireability-14 finished in 264163 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(!p0) U (!p1&&G(F(!p1)))))'
Support contains 256 out of 256 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 256/256 places, 3616/3616 transitions.
Applied a total of 0 rules in 141 ms. Remains 256 /256 variables (removed 0) and now considering 3616/3616 (removed 0) transitions.
[2024-05-29 09:53:39] [INFO ] Invariant cache hit.
[2024-05-29 09:53:39] [INFO ] Implicit Places using invariants in 97 ms returned []
[2024-05-29 09:53:39] [INFO ] Invariant cache hit.
[2024-05-29 09:53:40] [INFO ] State equation strengthened by 3390 read => feed constraints.
[2024-05-29 09:53:41] [INFO ] Implicit Places using invariants and state equation in 1380 ms returned []
Implicit Place search using SMT with State Equation took 1479 ms to find 0 implicit places.
[2024-05-29 09:53:41] [INFO ] Redundant transitions in 151 ms returned []
Running 3601 sub problems to find dead transitions.
[2024-05-29 09:53:41] [INFO ] Invariant cache hit.
[2024-05-29 09:53:41] [INFO ] State equation strengthened by 3390 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/256 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 3601 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 256/3872 variables, and 16 constraints, problems are : Problem set: 0 solved, 3601 unsolved in 30056 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 0/256 constraints, ReadFeed: 0/3390 constraints, PredecessorRefiner: 3601/3601 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3601 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/256 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 3601 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 256/3872 variables, and 16 constraints, problems are : Problem set: 0 solved, 3601 unsolved in 30098 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 0/256 constraints, ReadFeed: 0/3390 constraints, PredecessorRefiner: 0/3601 constraints, Known Traps: 0/0 constraints]
After SMT, in 65825ms problems are : Problem set: 0 solved, 3601 unsolved
Search for dead transitions found 0 dead transitions in 65864ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 67645 ms. Remains : 256/256 places, 3616/3616 transitions.
Stuttering acceptance computed with spot in 164 ms :[p1, true, p0, p1, p1]
Running random walk in product with property : TokenRing-COL-015-LTLFireability-15
Product exploration explored 100000 steps with 1597 reset in 9408 ms.
Product exploration explored 100000 steps with 1561 reset in 9900 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 p1) (NOT p0)), (X (NOT (AND p1 (NOT p0)))), (X (NOT (AND p1 p0))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (AND p1 (NOT p0))))), (X (X (NOT (AND p1 p0)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 121 ms. Reduced automaton from 5 states, 10 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 78 ms :[p1, p1]
RANDOM walk for 183 steps (0 resets) in 21 ms. (8 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (NOT (AND p1 (NOT p0)))), (X (NOT (AND p1 p0))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (AND p1 (NOT p0))))), (X (X (NOT (AND p1 p0)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : [(F p1)]
Knowledge based reduction with 9 factoid took 149 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 78 ms :[p1, p1]
Stuttering acceptance computed with spot in 79 ms :[p1, p1]
Support contains 256 out of 256 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 256/256 places, 3616/3616 transitions.
Applied a total of 0 rules in 62 ms. Remains 256 /256 variables (removed 0) and now considering 3616/3616 (removed 0) transitions.
[2024-05-29 09:55:07] [INFO ] Invariant cache hit.
[2024-05-29 09:55:07] [INFO ] Implicit Places using invariants in 76 ms returned []
[2024-05-29 09:55:07] [INFO ] Invariant cache hit.
[2024-05-29 09:55:08] [INFO ] State equation strengthened by 3390 read => feed constraints.
[2024-05-29 09:55:08] [INFO ] Implicit Places using invariants and state equation in 1368 ms returned []
Implicit Place search using SMT with State Equation took 1446 ms to find 0 implicit places.
[2024-05-29 09:55:09] [INFO ] Redundant transitions in 167 ms returned []
Running 3601 sub problems to find dead transitions.
[2024-05-29 09:55:09] [INFO ] Invariant cache hit.
[2024-05-29 09:55:09] [INFO ] State equation strengthened by 3390 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/256 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 3601 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 256/3872 variables, and 16 constraints, problems are : Problem set: 0 solved, 3601 unsolved in 30064 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 0/256 constraints, ReadFeed: 0/3390 constraints, PredecessorRefiner: 3601/3601 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3601 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/256 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 3601 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 256/3872 variables, and 16 constraints, problems are : Problem set: 0 solved, 3601 unsolved in 30057 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 0/256 constraints, ReadFeed: 0/3390 constraints, PredecessorRefiner: 0/3601 constraints, Known Traps: 0/0 constraints]
After SMT, in 65960ms problems are : Problem set: 0 solved, 3601 unsolved
Search for dead transitions found 0 dead transitions in 66005ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 67692 ms. Remains : 256/256 places, 3616/3616 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 : [(NOT p1), (X (NOT p1)), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 87 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 71 ms :[p1, p1]
RANDOM walk for 173 steps (0 resets) in 16 ms. (10 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p1), (X (NOT p1)), (X (X (NOT p1)))]
False Knowledge obtained : [(F p1)]
Knowledge based reduction with 3 factoid took 98 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 70 ms :[p1, p1]
Stuttering acceptance computed with spot in 73 ms :[p1, p1]
Stuttering acceptance computed with spot in 75 ms :[p1, p1]
Product exploration explored 100000 steps with 1602 reset in 9116 ms.
Product exploration explored 100000 steps with 1582 reset in 9289 ms.
Support contains 256 out of 256 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 256/256 places, 3616/3616 transitions.
Applied a total of 0 rules in 48 ms. Remains 256 /256 variables (removed 0) and now considering 3616/3616 (removed 0) transitions.
[2024-05-29 09:56:34] [INFO ] Invariant cache hit.
[2024-05-29 09:56:34] [INFO ] Implicit Places using invariants in 67 ms returned []
[2024-05-29 09:56:34] [INFO ] Invariant cache hit.
[2024-05-29 09:56:35] [INFO ] State equation strengthened by 3390 read => feed constraints.
[2024-05-29 09:56:35] [INFO ] Implicit Places using invariants and state equation in 1257 ms returned []
Implicit Place search using SMT with State Equation took 1326 ms to find 0 implicit places.
[2024-05-29 09:56:35] [INFO ] Redundant transitions in 149 ms returned []
Running 3601 sub problems to find dead transitions.
[2024-05-29 09:56:35] [INFO ] Invariant cache hit.
[2024-05-29 09:56:35] [INFO ] State equation strengthened by 3390 read => feed constraints.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/256 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 3601 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 256/3872 variables, and 16 constraints, problems are : Problem set: 0 solved, 3601 unsolved in 30099 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 0/256 constraints, ReadFeed: 0/3390 constraints, PredecessorRefiner: 3601/3601 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3601 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/256 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 3601 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 256/3872 variables, and 16 constraints, problems are : Problem set: 0 solved, 3601 unsolved in 30058 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 0/256 constraints, ReadFeed: 0/3390 constraints, PredecessorRefiner: 0/3601 constraints, Known Traps: 0/0 constraints]
After SMT, in 65823ms problems are : Problem set: 0 solved, 3601 unsolved
Search for dead transitions found 0 dead transitions in 65861ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 67395 ms. Remains : 256/256 places, 3616/3616 transitions.
Treatment of property TokenRing-COL-015-LTLFireability-15 finished in 242587 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(p0)))'
Found a Shortening insensitive property : TokenRing-COL-015-LTLFireability-04
Stuttering acceptance computed with spot in 81 ms :[(NOT p0), (NOT p0)]
Support contains 256 out of 256 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 256/256 places, 3616/3616 transitions.
Applied a total of 0 rules in 23 ms. Remains 256 /256 variables (removed 0) and now considering 3616/3616 (removed 0) transitions.
[2024-05-29 09:57:42] [INFO ] Invariant cache hit.
[2024-05-29 09:57:42] [INFO ] Implicit Places using invariants in 82 ms returned []
[2024-05-29 09:57:42] [INFO ] Invariant cache hit.
[2024-05-29 09:57:43] [INFO ] State equation strengthened by 3390 read => feed constraints.
[2024-05-29 09:57:44] [INFO ] Implicit Places using invariants and state equation in 1340 ms returned []
Implicit Place search using SMT with State Equation took 1428 ms to find 0 implicit places.
Running 3601 sub problems to find dead transitions.
[2024-05-29 09:57:44] [INFO ] Invariant cache hit.
[2024-05-29 09:57:44] [INFO ] State equation strengthened by 3390 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/256 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 3601 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 256/3872 variables, and 16 constraints, problems are : Problem set: 0 solved, 3601 unsolved in 30058 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 0/256 constraints, ReadFeed: 0/3390 constraints, PredecessorRefiner: 3601/3601 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3601 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/256 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 3601 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 256/3872 variables, and 16 constraints, problems are : Problem set: 0 solved, 3601 unsolved in 30059 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 0/256 constraints, ReadFeed: 0/3390 constraints, PredecessorRefiner: 0/3601 constraints, Known Traps: 0/0 constraints]
After SMT, in 65480ms problems are : Problem set: 0 solved, 3601 unsolved
Search for dead transitions found 0 dead transitions in 65515ms
Finished structural reductions in LI_LTL mode , in 1 iterations and 66970 ms. Remains : 256/256 places, 3616/3616 transitions.
Running random walk in product with property : TokenRing-COL-015-LTLFireability-04
Product exploration explored 100000 steps with 2168 reset in 6477 ms.
Product exploration explored 100000 steps with 2182 reset in 6548 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 : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 3 factoid took 81 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 68 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 169 steps (0 resets) in 19 ms. (8 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 92 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 68 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 65 ms :[(NOT p0), (NOT p0)]
[2024-05-29 09:59:19] [INFO ] Invariant cache hit.
Could not prove EG (NOT p0)
Support contains 256 out of 256 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 256/256 places, 3616/3616 transitions.
Applied a total of 0 rules in 128 ms. Remains 256 /256 variables (removed 0) and now considering 3616/3616 (removed 0) transitions.
[2024-05-29 09:59:34] [INFO ] Invariant cache hit.
[2024-05-29 09:59:34] [INFO ] Implicit Places using invariants in 66 ms returned []
[2024-05-29 09:59:34] [INFO ] Invariant cache hit.
[2024-05-29 09:59:35] [INFO ] State equation strengthened by 3390 read => feed constraints.
[2024-05-29 09:59:36] [INFO ] Implicit Places using invariants and state equation in 1246 ms returned []
Implicit Place search using SMT with State Equation took 1314 ms to find 0 implicit places.
[2024-05-29 09:59:36] [INFO ] Redundant transitions in 158 ms returned []
Running 3601 sub problems to find dead transitions.
[2024-05-29 09:59:36] [INFO ] Invariant cache hit.
[2024-05-29 09:59:36] [INFO ] State equation strengthened by 3390 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/256 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 3601 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 256/3872 variables, and 16 constraints, problems are : Problem set: 0 solved, 3601 unsolved in 30096 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 0/256 constraints, ReadFeed: 0/3390 constraints, PredecessorRefiner: 3601/3601 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3601 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/256 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 3601 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 256/3872 variables, and 16 constraints, problems are : Problem set: 0 solved, 3601 unsolved in 30094 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 0/256 constraints, ReadFeed: 0/3390 constraints, PredecessorRefiner: 0/3601 constraints, Known Traps: 0/0 constraints]
After SMT, in 65247ms problems are : Problem set: 0 solved, 3601 unsolved
Search for dead transitions found 0 dead transitions in 65284ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 66894 ms. Remains : 256/256 places, 3616/3616 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 : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 116 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 101 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 163 steps (0 resets) in 26 ms. (6 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 143 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 96 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 97 ms :[(NOT p0), (NOT p0)]
[2024-05-29 10:01:00] [INFO ] Invariant cache hit.
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 626 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 2181 reset in 7200 ms.
Product exploration explored 100000 steps with 2185 reset in 6671 ms.
Support contains 256 out of 256 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 256/256 places, 3616/3616 transitions.
Applied a total of 0 rules in 47 ms. Remains 256 /256 variables (removed 0) and now considering 3616/3616 (removed 0) transitions.
[2024-05-29 10:01:29] [INFO ] Invariant cache hit.
[2024-05-29 10:01:29] [INFO ] Implicit Places using invariants in 62 ms returned []
[2024-05-29 10:01:29] [INFO ] Invariant cache hit.
[2024-05-29 10:01:30] [INFO ] State equation strengthened by 3390 read => feed constraints.
[2024-05-29 10:01:31] [INFO ] Implicit Places using invariants and state equation in 1378 ms returned []
Implicit Place search using SMT with State Equation took 1442 ms to find 0 implicit places.
[2024-05-29 10:01:31] [INFO ] Redundant transitions in 145 ms returned []
Running 3601 sub problems to find dead transitions.
[2024-05-29 10:01:31] [INFO ] Invariant cache hit.
[2024-05-29 10:01:31] [INFO ] State equation strengthened by 3390 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/256 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 3601 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 256/3872 variables, and 16 constraints, problems are : Problem set: 0 solved, 3601 unsolved in 30145 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 0/256 constraints, ReadFeed: 0/3390 constraints, PredecessorRefiner: 3601/3601 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3601 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/256 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 3601 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 256/3872 variables, and 16 constraints, problems are : Problem set: 0 solved, 3601 unsolved in 30101 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 0/256 constraints, ReadFeed: 0/3390 constraints, PredecessorRefiner: 0/3601 constraints, Known Traps: 0/0 constraints]
After SMT, in 65840ms problems are : Problem set: 0 solved, 3601 unsolved
Search for dead transitions found 0 dead transitions in 65876ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 67521 ms. Remains : 256/256 places, 3616/3616 transitions.
Treatment of property TokenRing-COL-015-LTLFireability-04 finished in 296019 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G((!p0&&(!p0 U p1)))))'
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(!p0) U (!p1&&G(F(!p1)))))'
[2024-05-29 10:02:39] [INFO ] Flatten gal took : 436 ms
[2024-05-29 10:02:39] [INFO ] Export to MCC of 4 properties in file /home/mcc/execution/LTLFireability.sr.xml took 116 ms.
[2024-05-29 10:02:39] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 256 places, 3616 transitions and 14464 arcs took 25 ms.
Total runtime 1935461 ms.
There are residual formulas that ITS could not solve within timeout
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running TokenRing-COL-015

IS_COLORED=
IS_NUPN=

LOADING PETRI NET FILE /home/mcc/execution/414/model.pnml (PNML) ...
PNML VERSION 2009, P/T NET.
COLOR CLASSES: 0
CONSTANTS: 0
PLACES: 256
TRANSITIONS: 3616
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.102s, Sys 0.002s]


SAVING FILE /home/mcc/execution/414/model (.net / .def) ...
EXPORT TIME: [User 0.016s, Sys 0.000s]


----------------------------------------------------------------------
GreatSPN/Meddly.
Copyright (C) 1987-2022, University of Torino, Italy.
website: https://github.com/greatspn/SOURCES

Based on MEDDLY version 0.16.0
Copyright (C) 2009, Iowa State University Research Foundation, Inc.
website: http://meddly.sourceforge.net

Process ID: 1722
MODEL NAME: /home/mcc/execution/414/model
256 places, 3616 transitions.

Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Building monolithic NSF...
EXITCODE: 0
----------------------------------------------------------------------

BK_STOP 1716978020212

--------------------
content from stderr:

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -timeout 360 -rebuildPNML

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="TokenRing-COL-015"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="greatspnxred"
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 2-5568"
echo " Executing tool greatspnxred"
echo " Input is TokenRing-COL-015, 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 r421-smll-171690572600092"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/TokenRing-COL-015.tgz
mv TokenRing-COL-015 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.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -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 '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
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 ;