Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r156-tall-174881254600751.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is QuasiCertifProtocol-COL-18, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r156-tall-174881254600751
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 544K
-rw-r--r-- 1 mcc users 7.7K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 82K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.8K May 29 14:32 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.7K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 106K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.0K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 74K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 29 14:32 equiv_pt
-rw-r--r-- 1 mcc users 3 May 29 14:32 instance
-rw-r--r-- 1 mcc users 5 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 93K May 29 14:32 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME QuasiCertifProtocol-COL-18-ReachabilityFireability-2025-00
FORMULA_NAME QuasiCertifProtocol-COL-18-ReachabilityFireability-2025-01
FORMULA_NAME QuasiCertifProtocol-COL-18-ReachabilityFireability-2025-02
FORMULA_NAME QuasiCertifProtocol-COL-18-ReachabilityFireability-2025-03
FORMULA_NAME QuasiCertifProtocol-COL-18-ReachabilityFireability-2025-04
FORMULA_NAME QuasiCertifProtocol-COL-18-ReachabilityFireability-2025-05
FORMULA_NAME QuasiCertifProtocol-COL-18-ReachabilityFireability-2025-06
FORMULA_NAME QuasiCertifProtocol-COL-18-ReachabilityFireability-2025-07
FORMULA_NAME QuasiCertifProtocol-COL-18-ReachabilityFireability-2025-08
FORMULA_NAME QuasiCertifProtocol-COL-18-ReachabilityFireability-2025-09
FORMULA_NAME QuasiCertifProtocol-COL-18-ReachabilityFireability-2025-10
FORMULA_NAME QuasiCertifProtocol-COL-18-ReachabilityFireability-2025-11
FORMULA_NAME QuasiCertifProtocol-COL-18-ReachabilityFireability-2025-12
FORMULA_NAME QuasiCertifProtocol-COL-18-ReachabilityFireability-2025-13
FORMULA_NAME QuasiCertifProtocol-COL-18-ReachabilityFireability-2025-14
FORMULA_NAME QuasiCertifProtocol-COL-18-ReachabilityFireability-2025-15

=== Now, execution of the tool begins

BK_START 1749127037693

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=QuasiCertifProtocol-COL-18
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
ReachabilityFireability COL
Running Version 202505121319
[2025-06-05 12:37:18] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-05 12:37:18] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-05 12:37:19] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2025-06-05 12:37:19] [WARNING] Using fallBack plugin, rng conformance not checked
[2025-06-05 12:37:19] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 588 ms
[2025-06-05 12:37:19] [INFO ] Imported 30 HL places and 26 HL transitions for a total of 1398 PT places and 296.0 transition bindings in 19 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 20 ms.
Working with output stream class java.io.PrintStream
FORMULA QuasiCertifProtocol-COL-18-ReachabilityFireability-2025-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2025-06-05 12:37:19] [INFO ] Built PT skeleton of HLPN with 30 places and 26 transitions 77 arcs in 4 ms.
[2025-06-05 12:37:19] [INFO ] Skeletonized 15 HLPN properties in 1 ms.
Remains 3 properties that can be checked using skeleton over-approximation.
Computed a total of 30 stabilizing places and 26 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 30 transition count 26
[2025-06-05 12:37:19] [INFO ] Flatten gal took : 18 ms
[2025-06-05 12:37:19] [INFO ] Flatten gal took : 4 ms
RANDOM walk for 40017 steps (1461 resets) in 396 ms. (100 steps per ms) remains 2/3 properties
[2025-06-05 12:37:19] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16068233987596423762.gal : 6 ms
[2025-06-05 12:37:19] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9281705358188306541.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality16068233987596423762.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9281705358188306541.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40002 steps (419 resets) in 299 ms. (133 steps per ms) remains 2/2 properties

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality9281705358188306541.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :3 after 13
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :13 after 31
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :31 after 45
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :45 after 91
BEST_FIRST walk for 40004 steps (423 resets) in 200 ms. (199 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 128
// Phase 1: matrix 26 rows 30 cols
SDD size :91 after 376615
[2025-06-05 12:37:20] [INFO ] Computed 5 invariants in 7 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 17/20 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 2/22 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/22 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 26/48 variables, 22/27 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/48 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem QuasiCertifProtocol-COL-18-ReachabilityFireability-2025-08 is UNSAT
At refinement iteration 7 (OVERLAPS) 8/56 variables, 8/35 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/56 variables, 0/35 constraints. Problems are: Problem set: 1 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 0/56 variables, 0/35 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 56/56 variables, and 35 constraints, problems are : Problem set: 1 solved, 1 unsolved in 299 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 30/30 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 10/12 variables, 3/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/14 variables, 1/4 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/14 variables, 0/4 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 15/29 variables, 14/18 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/29 variables, 1/19 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/29 variables, 0/19 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 14/43 variables, 8/27 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/43 variables, 0/27 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 12/55 variables, 7/34 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/55 variables, 0/34 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 1/56 variables, 1/35 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/56 variables, 1/36 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/56 variables, 0/36 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/56 variables, 0/36 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 56/56 variables, and 36 constraints, problems are : Problem set: 1 solved, 1 unsolved in 117 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 30/30 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 468ms problems are : Problem set: 1 solved, 1 unsolved
Finished Parikh walk after 53 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=53 )
Parikh walk visited 1 properties in 5 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
RANDOM walk for 0 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/0 properties
[2025-06-05 12:37:20] [INFO ] Flatten gal took : 3 ms
[2025-06-05 12:37:20] [INFO ] Flatten gal took : 3 ms
RANDOM walk for 0 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/0 properties
[2025-06-05 12:37:20] [INFO ] Flatten gal took : 3 ms
[2025-06-05 12:37:20] [INFO ] Flatten gal took : 3 ms
Finished probabilistic random walk after 0 steps, run visited all 0 properties in 0 ms. (steps per millisecond=0 )
[2025-06-05 12:37:20] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9710561802375922073.gal : 6 ms
[2025-06-05 12:37:20] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10026681243300139056.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality9710561802375922073.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10026681243300139056.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality10026681243300139056.prop.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 3 fixpoint passes
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,3,0.003792,4208,2,39,5,106,6,0,127,37,0
Total reachable state count : 3

ITS runner timed out or was interrupted.
FORMULA QuasiCertifProtocol-COL-18-ReachabilityFireability-2025-08 TRUE TECHNIQUES CPN_APPROX
Domain [tsid(19), tsid(19)] of place n9 breaks symmetries in sort tsid
[2025-06-05 12:37:20] [INFO ] Unfolded HLPN to a Petri net with 1398 places and 296 transitions 3119 arcs in 79 ms.
[2025-06-05 12:37:20] [INFO ] Unfolded 15 HLPN properties in 1 ms.
[2025-06-05 12:37:21] [INFO ] Flatten gal took : 380 ms
[2025-06-05 12:37:21] [INFO ] Flatten gal took : 221 ms
[2025-06-05 12:37:21] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12889387335942609420.gal : 43 ms
[2025-06-05 12:37:21] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3787636708224760128.prop : 44 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality12889387335942609420.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3787636708224760128.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
RANDOM walk for 40000 steps (1766 resets) in 3474 ms. (11 steps per ms) remains 14/14 properties
Loading property file /tmp/ReachabilityCardinality3787636708224760128.prop.
BEST_FIRST walk for 40004 steps (98 resets) in 3785 ms. (10 steps per ms) remains 14/14 properties
SDD proceeding with computation,14 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,14 properties remain. new max is 8
SDD size :3 after 33
BEST_FIRST walk for 40004 steps (172 resets) in 4228 ms. (9 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (132 resets) in 834 ms. (47 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (135 resets) in 1089 ms. (36 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (68 resets) in 3162 ms. (12 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (92 resets) in 248 ms. (160 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (132 resets) in 199 ms. (200 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (131 resets) in 539 ms. (74 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (91 resets) in 3230 ms. (12 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (129 resets) in 3015 ms. (13 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (95 resets) in 232 ms. (171 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (133 resets) in 178 ms. (223 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (94 resets) in 179 ms. (222 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40002 steps (122 resets) in 209 ms. (190 steps per ms) remains 14/14 properties
Interrupted probabilistic random walk after 3123991 steps, run timeout after 21001 ms. (steps per millisecond=148 ) properties seen :10 out of 14
Probabilistic random walk after 3123991 steps, saw 382087 distinct states, run finished after 21007 ms. (steps per millisecond=148 ) properties seen :10
FORMULA QuasiCertifProtocol-COL-18-ReachabilityFireability-2025-15 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA QuasiCertifProtocol-COL-18-ReachabilityFireability-2025-14 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA QuasiCertifProtocol-COL-18-ReachabilityFireability-2025-13 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA QuasiCertifProtocol-COL-18-ReachabilityFireability-2025-12 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA QuasiCertifProtocol-COL-18-ReachabilityFireability-2025-11 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA QuasiCertifProtocol-COL-18-ReachabilityFireability-2025-09 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA QuasiCertifProtocol-COL-18-ReachabilityFireability-2025-07 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA QuasiCertifProtocol-COL-18-ReachabilityFireability-2025-06 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA QuasiCertifProtocol-COL-18-ReachabilityFireability-2025-02 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA QuasiCertifProtocol-COL-18-ReachabilityFireability-2025-00 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
// Phase 1: matrix 296 rows 1398 cols
[2025-06-05 12:37:48] [INFO ] Computed 1103 invariants in 87 ms
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Problem QuasiCertifProtocol-COL-18-ReachabilityFireability-2025-10 is UNSAT
FORMULA QuasiCertifProtocol-COL-18-ReachabilityFireability-2025-10 TRUE TECHNIQUES SMT_REFINEMENT
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1356 variables, 738/738 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1356 variables, 0/738 constraints. Problems are: Problem set: 1 solved, 3 unsolved
Problem QuasiCertifProtocol-COL-18-ReachabilityFireability-2025-05 is UNSAT
FORMULA QuasiCertifProtocol-COL-18-ReachabilityFireability-2025-05 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 42/1398 variables, 4/742 constraints. Problems are: Problem set: 2 solved, 2 unsolved
SDD proceeding with computation,14 properties remain. new max is 16
Solver is answering 'unknown', stopping.
SDD size :33 after 16385
After SMT solving in domain Real declared 1398/1694 variables, and 1103 constraints, problems are : Problem set: 2 solved, 2 unsolved in 3324 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, Generalized P Invariants (flows): 1099/1099 constraints, State Equation: 0/1398 constraints, PredecessorRefiner: 3/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 2 solved, 2 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/860 variables, 342/342 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/860 variables, 0/342 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 82/942 variables, 4/346 constraints. Problems are: Problem set: 2 solved, 2 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 942/1694 variables, and 707 constraints, problems are : Problem set: 2 solved, 2 unsolved in 2465 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, Generalized P Invariants (flows): 703/1099 constraints, State Equation: 0/1398 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 6009ms problems are : Problem set: 2 solved, 2 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 860 out of 1398 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1398/1398 places, 296/296 transitions.
Graph (complete) has 9608 edges and 1398 vertex of which 1356 are kept as prefixes of interest. Removing 42 places using SCC suffix rule.7 ms
Discarding 42 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 1356 transition count 295
Applied a total of 2 rules in 112 ms. Remains 1356 /1398 variables (removed 42) and now considering 295/296 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 118 ms. Remains : 1356/1398 places, 295/296 transitions.
RANDOM walk for 40000 steps (1764 resets) in 445 ms. (89 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (172 resets) in 2337 ms. (17 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (125 resets) in 883 ms. (45 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 421393 steps, run timeout after 3001 ms. (steps per millisecond=140 ) properties seen :0 out of 2
Probabilistic random walk after 421393 steps, saw 65005 distinct states, run finished after 3014 ms. (steps per millisecond=139 ) properties seen :0
// Phase 1: matrix 295 rows 1356 cols
[2025-06-05 12:37:59] [INFO ] Computed 1062 invariants in 72 ms
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/860 variables, 666/666 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/860 variables, 0/666 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 380/1240 variables, 360/1026 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1240 variables, 0/1026 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 295/1535 variables, 1240/2266 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1535 variables, 0/2266 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem QuasiCertifProtocol-COL-18-ReachabilityFireability-2025-01 is UNSAT
FORMULA QuasiCertifProtocol-COL-18-ReachabilityFireability-2025-01 TRUE TECHNIQUES SMT_REFINEMENT
Problem QuasiCertifProtocol-COL-18-ReachabilityFireability-2025-04 is UNSAT
FORMULA QuasiCertifProtocol-COL-18-ReachabilityFireability-2025-04 TRUE TECHNIQUES SMT_REFINEMENT
After SMT solving in domain Real declared 1651/1651 variables, and 2382 constraints, problems are : Problem set: 2 solved, 0 unsolved in 2937 ms.
Refiners :[Generalized P Invariants (flows): 1026/1062 constraints, State Equation: 1356/1356 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3071ms problems are : Problem set: 2 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
All properties solved without resorting to model-checking.
Total runtime 43306 ms.

BK_STOP 1749127082256

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ ReachabilityFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="QuasiCertifProtocol-COL-18"
export BK_EXAMINATION="ReachabilityFireability"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool itstools"
echo " Input is QuasiCertifProtocol-COL-18, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r156-tall-174881254600751"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/QuasiCertifProtocol-COL-18.tgz
mv QuasiCertifProtocol-COL-18 execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "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 [ "ReachabilityFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "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 "ReachabilityFireability.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 '' ReachabilityFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
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 ;