Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r044-tall-174854028300343.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 CloudReconfiguration-PT-318, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r044-tall-174854028300343
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.2M
-rw-r--r-- 1 mcc users 8.6K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 93K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.3K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 56K 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 3.8K 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 2.4K 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 101K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 94K 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 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 4 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 661K 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 CloudReconfiguration-PT-318-ReachabilityFireability-2025-00
FORMULA_NAME CloudReconfiguration-PT-318-ReachabilityFireability-2025-01
FORMULA_NAME CloudReconfiguration-PT-318-ReachabilityFireability-2025-02
FORMULA_NAME CloudReconfiguration-PT-318-ReachabilityFireability-2025-03
FORMULA_NAME CloudReconfiguration-PT-318-ReachabilityFireability-2025-04
FORMULA_NAME CloudReconfiguration-PT-318-ReachabilityFireability-2025-05
FORMULA_NAME CloudReconfiguration-PT-318-ReachabilityFireability-2025-06
FORMULA_NAME CloudReconfiguration-PT-318-ReachabilityFireability-2025-07
FORMULA_NAME CloudReconfiguration-PT-318-ReachabilityFireability-2025-08
FORMULA_NAME CloudReconfiguration-PT-318-ReachabilityFireability-2025-09
FORMULA_NAME CloudReconfiguration-PT-318-ReachabilityFireability-2025-10
FORMULA_NAME CloudReconfiguration-PT-318-ReachabilityFireability-2025-11
FORMULA_NAME CloudReconfiguration-PT-318-ReachabilityFireability-2025-12
FORMULA_NAME CloudReconfiguration-PT-318-ReachabilityFireability-2025-13
FORMULA_NAME CloudReconfiguration-PT-318-ReachabilityFireability-2025-14
FORMULA_NAME CloudReconfiguration-PT-318-ReachabilityFireability-2025-15

=== Now, execution of the tool begins

BK_START 1748599191023

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CloudReconfiguration-PT-318
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202505121319
[2025-05-30 09:59:52] [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]
[2025-05-30 09:59:52] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-30 09:59:52] [INFO ] Load time of PNML (sax parser for PT used): 143 ms
[2025-05-30 09:59:52] [INFO ] Transformed 2587 places.
[2025-05-30 09:59:52] [INFO ] Transformed 3099 transitions.
[2025-05-30 09:59:52] [INFO ] Found NUPN structural information;
[2025-05-30 09:59:52] [INFO ] Parsed PT model containing 2587 places and 3099 transitions and 6479 arcs in 248 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 17 ms.
Working with output stream class java.io.PrintStream
[2025-05-30 09:59:53] [INFO ] Flatten gal took : 253 ms
RANDOM walk for 40000 steps (312 resets) in 2195 ms. (18 steps per ms) remains 12/16 properties
FORMULA CloudReconfiguration-PT-318-ReachabilityFireability-2025-14 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-318-ReachabilityFireability-2025-13 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-318-ReachabilityFireability-2025-09 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-318-ReachabilityFireability-2025-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40003 steps (95 resets) in 609 ms. (65 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (97 resets) in 235 ms. (169 steps per ms) remains 12/12 properties
[2025-05-30 09:59:53] [INFO ] Flatten gal took : 270 ms
BEST_FIRST walk for 40002 steps (101 resets) in 376 ms. (106 steps per ms) remains 12/12 properties
[2025-05-30 09:59:53] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7809682702024218850.gal : 97 ms
BEST_FIRST walk for 40003 steps (38 resets) in 223 ms. (178 steps per ms) remains 12/12 properties
[2025-05-30 09:59:53] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5442484692589107183.prop : 13 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/ReachabilityCardinality7809682702024218850.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5442484692589107183.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40003 steps (99 resets) in 256 ms. (155 steps per ms) remains 12/12 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 ...328
BEST_FIRST walk for 40003 steps (105 resets) in 225 ms. (177 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (95 resets) in 217 ms. (183 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (91 resets) in 191 ms. (208 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (93 resets) in 172 ms. (231 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (48 resets) in 94 ms. (421 steps per ms) remains 12/12 properties
Loading property file /tmp/ReachabilityCardinality5442484692589107183.prop.
BEST_FIRST walk for 40003 steps (99 resets) in 197 ms. (202 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (97 resets) in 188 ms. (211 steps per ms) remains 12/12 properties
// Phase 1: matrix 3099 rows 2587 cols
[2025-05-30 09:59:54] [INFO ] Computed 4 invariants in 41 ms
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/211 variables, 211/211 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/211 variables, 0/211 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (OVERLAPS) 2365/2576 variables, 4/215 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2576 variables, 2365/2580 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2576 variables, 0/2580 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (OVERLAPS) 3089/5665 variables, 2576/5156 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/5665 variables, 0/5156 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (OVERLAPS) 2/5667 variables, 1/5157 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/5667 variables, 1/5158 constraints. Problems are: Problem set: 0 solved, 12 unsolved
SDD proceeding with computation,12 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,12 properties remain. new max is 8
SDD size :2 after 3
SDD proceeding with computation,12 properties remain. new max is 16
SDD size :3 after 4
SDD proceeding with computation,12 properties remain. new max is 32
SDD size :4 after 5
SDD proceeding with computation,12 properties remain. new max is 64
SDD size :5 after 6
SDD proceeding with computation,12 properties remain. new max is 128
SDD size :6 after 7
SDD proceeding with computation,12 properties remain. new max is 256
SDD size :7 after 9
SDD proceeding with computation,12 properties remain. new max is 512
SDD size :9 after 11
SDD proceeding with computation,12 properties remain. new max is 1024
SDD size :11 after 19
At refinement iteration 9 (INCLUDED_ONLY) 0/5667 variables, 0/5158 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 10 (OVERLAPS) 2/5669 variables, 1/5159 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/5669 variables, 1/5160 constraints. Problems are: Problem set: 0 solved, 12 unsolved
SDD proceeding with computation,12 properties remain. new max is 2048
SDD size :19 after 320
SDD proceeding with computation,12 properties remain. new max is 4096
SDD size :320 after 2226
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
SDD proceeding with computation,12 properties remain. new max is 8192
SDD size :2226 after 5405
After SMT solving in domain Real declared 5669/5686 variables, and 5160 constraints, problems are : Problem set: 0 solved, 12 unsolved in 5047 ms.
Refiners :[Domain max(s): 2578/2587 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 2578/2587 constraints, PredecessorRefiner: 12/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/211 variables, 211/211 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/211 variables, 0/211 constraints. Problems are: Problem set: 0 solved, 12 unsolved
Invariant property CloudReconfiguration-PT-318-ReachabilityFireability-2025-06 does not hold.
FORMULA CloudReconfiguration-PT-318-ReachabilityFireability-2025-06 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
At refinement iteration 2 (OVERLAPS) 2365/2576 variables, 4/215 constraints. Problems are: Problem set: 1 solved, 11 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2576 variables, 2365/2580 constraints. Problems are: Problem set: 1 solved, 11 unsolved
SDD proceeding with computation,11 properties remain. new max is 8192
SDD size :5405 after 44430
At refinement iteration 4 (INCLUDED_ONLY) 0/2576 variables, 0/2580 constraints. Problems are: Problem set: 1 solved, 11 unsolved
At refinement iteration 5 (OVERLAPS) 3089/5665 variables, 2576/5156 constraints. Problems are: Problem set: 1 solved, 11 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/5665 variables, 5/5161 constraints. Problems are: Problem set: 1 solved, 11 unsolved
SDD proceeding with computation,11 properties remain. new max is 16384
SDD size :44430 after 228316
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 5665/5686 variables, and 5161 constraints, problems are : Problem set: 1 solved, 11 unsolved in 5036 ms.
Refiners :[Domain max(s): 2576/2587 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 2576/2587 constraints, PredecessorRefiner: 11/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10283ms problems are : Problem set: 1 solved, 11 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 203 out of 2587 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2587/2587 places, 3099/3099 transitions.
Graph (trivial) has 2418 edges and 2587 vertex of which 408 / 2587 are part of one of the 41 SCC in 11 ms
Free SCC test removed 367 places
Drop transitions (Empty/Sink Transition effects.) removed 446 transitions
Reduce isomorphic transitions removed 446 transitions.
Graph (complete) has 2939 edges and 2220 vertex of which 2206 are kept as prefixes of interest. Removing 14 places using SCC suffix rule.6 ms
Discarding 14 places :
Also discarding 9 output transitions
Drop transitions (Output transitions of discarded places.) removed 9 transitions
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 6 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1082 transitions
Trivial Post-agglo rules discarded 1082 transitions
Performed 1082 trivial Post agglomeration. Transition count delta: 1082
Iterating post reduction 0 with 1088 rules applied. Total rules applied 1090 place count 2206 transition count 1556
Reduce places removed 1082 places and 0 transitions.
Ensure Unique test removed 56 transitions
Reduce isomorphic transitions removed 56 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 36 transitions
Trivial Post-agglo rules discarded 36 transitions
Performed 36 trivial Post agglomeration. Transition count delta: 36
Iterating post reduction 1 with 1174 rules applied. Total rules applied 2264 place count 1124 transition count 1464
Reduce places removed 36 places and 0 transitions.
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 2 with 43 rules applied. Total rules applied 2307 place count 1088 transition count 1457
Reduce places removed 3 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 3 with 8 rules applied. Total rules applied 2315 place count 1085 transition count 1452
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 4 with 8 rules applied. Total rules applied 2323 place count 1083 transition count 1446
Reduce places removed 4 places and 0 transitions.
Performed 167 Post agglomeration using F-continuation condition.Transition count delta: 167
Iterating post reduction 5 with 171 rules applied. Total rules applied 2494 place count 1079 transition count 1279
Reduce places removed 167 places and 0 transitions.
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Iterating post reduction 6 with 181 rules applied. Total rules applied 2675 place count 912 transition count 1265
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 7 with 3 rules applied. Total rules applied 2678 place count 909 transition count 1265
Performed 31 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 8 with 31 Pre rules applied. Total rules applied 2678 place count 909 transition count 1234
Deduced a syphon composed of 31 places in 1 ms
Reduce places removed 31 places and 0 transitions.
Iterating global reduction 8 with 62 rules applied. Total rules applied 2740 place count 878 transition count 1234
Discarding 123 places :
Symmetric choice reduction at 8 with 123 rule applications. Total rules 2863 place count 755 transition count 1111
Iterating global reduction 8 with 123 rules applied. Total rules applied 2986 place count 755 transition count 1111
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 8 with 8 rules applied. Total rules applied 2994 place count 755 transition count 1103
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 9 with 3 rules applied. Total rules applied 2997 place count 754 transition count 1101
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 10 with 3 rules applied. Total rules applied 3000 place count 753 transition count 1099
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 11 with 3 rules applied. Total rules applied 3003 place count 752 transition count 1097
Reduce places removed 1 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 12 with 2 rules applied. Total rules applied 3005 place count 751 transition count 1096
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 13 with 1 rules applied. Total rules applied 3006 place count 750 transition count 1096
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 14 with 3 Pre rules applied. Total rules applied 3006 place count 750 transition count 1093
Deduced a syphon composed of 3 places in 2 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 14 with 6 rules applied. Total rules applied 3012 place count 747 transition count 1093
Discarding 50 places :
Symmetric choice reduction at 14 with 50 rule applications. Total rules 3062 place count 697 transition count 1043
Iterating global reduction 14 with 50 rules applied. Total rules applied 3112 place count 697 transition count 1043
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 5 transitions
Trivial Post-agglo rules discarded 5 transitions
Performed 5 trivial Post agglomeration. Transition count delta: 5
Iterating post reduction 14 with 11 rules applied. Total rules applied 3123 place count 697 transition count 1032
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 15 with 5 rules applied. Total rules applied 3128 place count 692 transition count 1032
Discarding 4 places :
Symmetric choice reduction at 16 with 4 rule applications. Total rules 3132 place count 688 transition count 1026
Iterating global reduction 16 with 4 rules applied. Total rules applied 3136 place count 688 transition count 1026
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 16 with 1 rules applied. Total rules applied 3137 place count 688 transition count 1025
Discarding 2 places :
Symmetric choice reduction at 17 with 2 rule applications. Total rules 3139 place count 686 transition count 1021
Iterating global reduction 17 with 2 rules applied. Total rules applied 3141 place count 686 transition count 1021
Performed 182 Post agglomeration using F-continuation condition with reduction of 25 identical transitions.
Deduced a syphon composed of 182 places in 1 ms
Reduce places removed 182 places and 0 transitions.
Iterating global reduction 17 with 364 rules applied. Total rules applied 3505 place count 504 transition count 814
Ensure Unique test removed 22 transitions
Reduce isomorphic transitions removed 22 transitions.
Iterating post reduction 17 with 22 rules applied. Total rules applied 3527 place count 504 transition count 792
Performed 46 Post agglomeration using F-continuation condition with reduction of 6 identical transitions.
Deduced a syphon composed of 46 places in 1 ms
Reduce places removed 46 places and 0 transitions.
Iterating global reduction 18 with 92 rules applied. Total rules applied 3619 place count 458 transition count 818
Ensure Unique test removed 21 transitions
Reduce isomorphic transitions removed 21 transitions.
Iterating post reduction 18 with 21 rules applied. Total rules applied 3640 place count 458 transition count 797
Discarding 6 places :
Symmetric choice reduction at 19 with 6 rule applications. Total rules 3646 place count 452 transition count 785
Iterating global reduction 19 with 6 rules applied. Total rules applied 3652 place count 452 transition count 785
Drop transitions (Redundant composition of simpler transitions.) removed 43 transitions
Redundant transition composition rules discarded 43 transitions
Iterating global reduction 19 with 43 rules applied. Total rules applied 3695 place count 452 transition count 742
Discarding 2 places :
Symmetric choice reduction at 19 with 2 rule applications. Total rules 3697 place count 450 transition count 740
Iterating global reduction 19 with 2 rules applied. Total rules applied 3699 place count 450 transition count 740
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 19 with 1 rules applied. Total rules applied 3700 place count 450 transition count 739
Discarding 1 places :
Symmetric choice reduction at 20 with 1 rule applications. Total rules 3701 place count 449 transition count 738
Iterating global reduction 20 with 1 rules applied. Total rules applied 3702 place count 449 transition count 738
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 20 with 1 rules applied. Total rules applied 3703 place count 449 transition count 737
Free-agglomeration rule applied 20 times.
Iterating global reduction 21 with 20 rules applied. Total rules applied 3723 place count 449 transition count 717
Reduce places removed 20 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 21 with 21 rules applied. Total rules applied 3744 place count 429 transition count 716
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 22 with 1 rules applied. Total rules applied 3745 place count 429 transition count 715
Partial Free-agglomeration rule applied 34 times.
Drop transitions (Partial Free agglomeration) removed 34 transitions
Iterating global reduction 22 with 34 rules applied. Total rules applied 3779 place count 429 transition count 715
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 22 with 2 rules applied. Total rules applied 3781 place count 429 transition count 713
Partial Post-agglomeration rule applied 5 times.
Drop transitions (Partial Post agglomeration) removed 5 transitions
Iterating global reduction 22 with 5 rules applied. Total rules applied 3786 place count 429 transition count 713
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 22 with 1 rules applied. Total rules applied 3787 place count 428 transition count 712
Applied a total of 3787 rules in 605 ms. Remains 428 /2587 variables (removed 2159) and now considering 712/3099 (removed 2387) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 612 ms. Remains : 428/2587 places, 712/3099 transitions.
RANDOM walk for 40000 steps (1071 resets) in 999 ms. (40 steps per ms) remains 10/11 properties
FORMULA CloudReconfiguration-PT-318-ReachabilityFireability-2025-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40003 steps (290 resets) in 339 ms. (117 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (278 resets) in 123 ms. (322 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (306 resets) in 95 ms. (416 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (145 resets) in 108 ms. (367 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (285 resets) in 165 ms. (240 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (203 resets) in 141 ms. (281 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (288 resets) in 131 ms. (303 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40002 steps (161 resets) in 98 ms. (404 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40002 steps (261 resets) in 170 ms. (233 steps per ms) remains 9/10 properties
FORMULA CloudReconfiguration-PT-318-ReachabilityFireability-2025-12 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40002 steps (279 resets) in 104 ms. (380 steps per ms) remains 9/9 properties
[2025-05-30 10:00:05] [INFO ] Flow matrix only has 707 transitions (discarded 5 similar events)
// Phase 1: matrix 707 rows 428 cols
[2025-05-30 10:00:05] [INFO ] Computed 2 invariants in 3 ms
[2025-05-30 10:00:05] [INFO ] State equation strengthened by 4 read => feed constraints.
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) 0/185 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 9 unsolved
Problem CloudReconfiguration-PT-318-ReachabilityFireability-2025-03 is UNSAT
FORMULA CloudReconfiguration-PT-318-ReachabilityFireability-2025-03 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 1 (OVERLAPS) 113/298 variables, 2/2 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/298 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 3 (OVERLAPS) 666/964 variables, 298/300 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/964 variables, 2/302 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/964 variables, 0/302 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 6 (OVERLAPS) 161/1125 variables, 120/422 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1125 variables, 2/424 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1125 variables, 0/424 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 9 (OVERLAPS) 10/1135 variables, 10/434 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1135 variables, 0/434 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 11 (OVERLAPS) 0/1135 variables, 0/434 constraints. Problems are: Problem set: 1 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1135/1135 variables, and 434 constraints, problems are : Problem set: 1 solved, 8 unsolved in 2156 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 428/428 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 9/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 8 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/168 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 8 unsolved
Problem CloudReconfiguration-PT-318-ReachabilityFireability-2025-05 is UNSAT
FORMULA CloudReconfiguration-PT-318-ReachabilityFireability-2025-05 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 1 (OVERLAPS) 122/290 variables, 2/2 constraints. Problems are: Problem set: 2 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/290 variables, 0/2 constraints. Problems are: Problem set: 2 solved, 7 unsolved
At refinement iteration 3 (OVERLAPS) 646/936 variables, 290/292 constraints. Problems are: Problem set: 2 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/936 variables, 2/294 constraints. Problems are: Problem set: 2 solved, 7 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/936 variables, 0/294 constraints. Problems are: Problem set: 2 solved, 7 unsolved
At refinement iteration 6 (OVERLAPS) 178/1114 variables, 120/414 constraints. Problems are: Problem set: 2 solved, 7 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1114 variables, 2/416 constraints. Problems are: Problem set: 2 solved, 7 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1114 variables, 5/421 constraints. Problems are: Problem set: 2 solved, 7 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1114 variables, 0/421 constraints. Problems are: Problem set: 2 solved, 7 unsolved
Problem CloudReconfiguration-PT-318-ReachabilityFireability-2025-01 is UNSAT
FORMULA CloudReconfiguration-PT-318-ReachabilityFireability-2025-01 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 10 (OVERLAPS) 20/1134 variables, 17/438 constraints. Problems are: Problem set: 3 solved, 6 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1134 variables, 0/438 constraints. Problems are: Problem set: 3 solved, 6 unsolved
Problem CloudReconfiguration-PT-318-ReachabilityFireability-2025-11 is UNSAT
FORMULA CloudReconfiguration-PT-318-ReachabilityFireability-2025-11 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 12 (OVERLAPS) 1/1135 variables, 1/439 constraints. Problems are: Problem set: 4 solved, 5 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1135 variables, 0/439 constraints. Problems are: Problem set: 4 solved, 5 unsolved
At refinement iteration 14 (OVERLAPS) 0/1135 variables, 0/439 constraints. Problems are: Problem set: 4 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1135/1135 variables, and 439 constraints, problems are : Problem set: 4 solved, 5 unsolved in 3295 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 428/428 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 8/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5493ms problems are : Problem set: 4 solved, 5 unsolved
FORMULA CloudReconfiguration-PT-318-ReachabilityFireability-2025-02 TRUE TECHNIQUES PARIKH_WALK
FORMULA CloudReconfiguration-PT-318-ReachabilityFireability-2025-15 FALSE TECHNIQUES PARIKH_WALK
Parikh walk visited 2 properties in 1009 ms.
Support contains 82 out of 428 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 428/428 places, 712/712 transitions.
Graph (trivial) has 338 edges and 428 vertex of which 60 / 428 are part of one of the 24 SCC in 1 ms
Free SCC test removed 36 places
Drop transitions (Empty/Sink Transition effects.) removed 68 transitions
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 71 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 55 transitions
Trivial Post-agglo rules discarded 55 transitions
Performed 55 trivial Post agglomeration. Transition count delta: 55
Iterating post reduction 0 with 55 rules applied. Total rules applied 56 place count 392 transition count 586
Reduce places removed 55 places and 0 transitions.
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 1 with 64 rules applied. Total rules applied 120 place count 337 transition count 577
Reduce places removed 1 places and 0 transitions.
Performed 23 Post agglomeration using F-continuation condition.Transition count delta: 23
Iterating post reduction 2 with 24 rules applied. Total rules applied 144 place count 336 transition count 554
Reduce places removed 23 places and 0 transitions.
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 3 with 30 rules applied. Total rules applied 174 place count 313 transition count 547
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 175 place count 312 transition count 547
Performed 17 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 17 Pre rules applied. Total rules applied 175 place count 312 transition count 530
Deduced a syphon composed of 17 places in 1 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 5 with 34 rules applied. Total rules applied 209 place count 295 transition count 530
Discarding 15 places :
Symmetric choice reduction at 5 with 15 rule applications. Total rules 224 place count 280 transition count 512
Iterating global reduction 5 with 15 rules applied. Total rules applied 239 place count 280 transition count 512
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 5 with 5 rules applied. Total rules applied 244 place count 280 transition count 507
Discarding 3 places :
Symmetric choice reduction at 6 with 3 rule applications. Total rules 247 place count 277 transition count 504
Iterating global reduction 6 with 3 rules applied. Total rules applied 250 place count 277 transition count 504
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 6 with 2 rules applied. Total rules applied 252 place count 277 transition count 502
Performed 35 Post agglomeration using F-continuation condition with reduction of 4 identical transitions.
Deduced a syphon composed of 35 places in 1 ms
Reduce places removed 35 places and 0 transitions.
Iterating global reduction 7 with 70 rules applied. Total rules applied 322 place count 242 transition count 463
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 7 with 15 rules applied. Total rules applied 337 place count 242 transition count 448
Discarding 2 places :
Symmetric choice reduction at 8 with 2 rule applications. Total rules 339 place count 240 transition count 445
Iterating global reduction 8 with 2 rules applied. Total rules applied 341 place count 240 transition count 445
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 8 with 2 rules applied. Total rules applied 343 place count 240 transition count 443
Performed 12 Post agglomeration using F-continuation condition with reduction of 7 identical transitions.
Deduced a syphon composed of 12 places in 1 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 9 with 24 rules applied. Total rules applied 367 place count 228 transition count 481
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 9 with 20 rules applied. Total rules applied 387 place count 228 transition count 461
Discarding 5 places :
Symmetric choice reduction at 10 with 5 rule applications. Total rules 392 place count 223 transition count 444
Iterating global reduction 10 with 5 rules applied. Total rules applied 397 place count 223 transition count 444
Discarding 2 places :
Symmetric choice reduction at 10 with 2 rule applications. Total rules 399 place count 221 transition count 442
Iterating global reduction 10 with 2 rules applied. Total rules applied 401 place count 221 transition count 442
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 10 with 6 rules applied. Total rules applied 407 place count 221 transition count 436
Drop transitions (Redundant composition of simpler transitions.) removed 24 transitions
Redundant transition composition rules discarded 24 transitions
Iterating global reduction 11 with 24 rules applied. Total rules applied 431 place count 221 transition count 412
Discarding 1 places :
Symmetric choice reduction at 11 with 1 rule applications. Total rules 432 place count 220 transition count 411
Iterating global reduction 11 with 1 rules applied. Total rules applied 433 place count 220 transition count 411
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 11 with 4 rules applied. Total rules applied 437 place count 218 transition count 409
Free-agglomeration rule applied 11 times.
Iterating global reduction 11 with 11 rules applied. Total rules applied 448 place count 218 transition count 398
Reduce places removed 11 places and 0 transitions.
Iterating post reduction 11 with 11 rules applied. Total rules applied 459 place count 207 transition count 398
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 12 with 2 rules applied. Total rules applied 461 place count 207 transition count 396
Partial Free-agglomeration rule applied 5 times.
Drop transitions (Partial Free agglomeration) removed 5 transitions
Iterating global reduction 12 with 5 rules applied. Total rules applied 466 place count 207 transition count 396
Partial Post-agglomeration rule applied 2 times.
Drop transitions (Partial Post agglomeration) removed 2 transitions
Iterating global reduction 12 with 2 rules applied. Total rules applied 468 place count 207 transition count 396
Applied a total of 468 rules in 141 ms. Remains 207 /428 variables (removed 221) and now considering 396/712 (removed 316) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 141 ms. Remains : 207/428 places, 396/712 transitions.
RANDOM walk for 40000 steps (1503 resets) in 286 ms. (139 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (400 resets) in 123 ms. (322 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (412 resets) in 96 ms. (412 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (377 resets) in 65 ms. (606 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 953769 steps, run timeout after 3001 ms. (steps per millisecond=317 ) properties seen :0 out of 3
Probabilistic random walk after 953769 steps, saw 213597 distinct states, run finished after 3006 ms. (steps per millisecond=317 ) properties seen :0
[2025-05-30 10:00:15] [INFO ] Flow matrix only has 384 transitions (discarded 12 similar events)
// Phase 1: matrix 384 rows 207 cols
[2025-05-30 10:00:15] [INFO ] Computed 3 invariants in 15 ms
[2025-05-30 10:00:15] [INFO ] State equation strengthened by 5 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 102/184 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 379/563 variables, 184/187 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/563 variables, 3/190 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/563 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 28/591 variables, 23/213 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/591 variables, 2/215 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/591 variables, 0/215 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 0/591 variables, 0/215 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 591/591 variables, and 215 constraints, problems are : Problem set: 0 solved, 3 unsolved in 350 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 207/207 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 3/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 102/184 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 379/563 variables, 184/187 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/563 variables, 3/190 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/563 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 28/591 variables, 23/213 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/591 variables, 2/215 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/591 variables, 1/216 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/591 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 0/591 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 591/591 variables, and 216 constraints, problems are : Problem set: 0 solved, 3 unsolved in 473 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 207/207 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 3/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 854ms problems are : Problem set: 0 solved, 3 unsolved
Parikh walk visited 0 properties in 193 ms.
Support contains 82 out of 207 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 207/207 places, 396/396 transitions.
Applied a total of 0 rules in 8 ms. Remains 207 /207 variables (removed 0) and now considering 396/396 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 207/207 places, 396/396 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 207/207 places, 396/396 transitions.
Applied a total of 0 rules in 7 ms. Remains 207 /207 variables (removed 0) and now considering 396/396 (removed 0) transitions.
[2025-05-30 10:00:16] [INFO ] Flow matrix only has 384 transitions (discarded 12 similar events)
[2025-05-30 10:00:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 10:00:16] [INFO ] Implicit Places using invariants in 72 ms returned []
[2025-05-30 10:00:16] [INFO ] Flow matrix only has 384 transitions (discarded 12 similar events)
[2025-05-30 10:00:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 10:00:17] [INFO ] State equation strengthened by 5 read => feed constraints.
[2025-05-30 10:00:17] [INFO ] Implicit Places using invariants and state equation in 133 ms returned [197]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 215 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 206/207 places, 396/396 transitions.
Applied a total of 0 rules in 7 ms. Remains 206 /206 variables (removed 0) and now considering 396/396 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 229 ms. Remains : 206/207 places, 396/396 transitions.
RANDOM walk for 40000 steps (1500 resets) in 157 ms. (253 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (397 resets) in 120 ms. (330 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (462 resets) in 79 ms. (500 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (387 resets) in 52 ms. (754 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 989465 steps, run timeout after 3001 ms. (steps per millisecond=329 ) properties seen :0 out of 3
Probabilistic random walk after 989465 steps, saw 219219 distinct states, run finished after 3001 ms. (steps per millisecond=329 ) properties seen :0
[2025-05-30 10:00:20] [INFO ] Flow matrix only has 384 transitions (discarded 12 similar events)
// Phase 1: matrix 384 rows 206 cols
[2025-05-30 10:00:20] [INFO ] Computed 2 invariants in 2 ms
[2025-05-30 10:00:20] [INFO ] State equation strengthened by 5 read => feed constraints.
Starting Z3 with timeout 90.0 s and query timeout 9000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 72/154 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 366/520 variables, 154/156 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/520 variables, 2/158 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/520 variables, 0/158 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 70/590 variables, 52/210 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/590 variables, 3/213 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/590 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 0/590 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 590/590 variables, and 213 constraints, problems are : Problem set: 0 solved, 3 unsolved in 361 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 206/206 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 3/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 90.0 s and query timeout 9000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 72/154 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 366/520 variables, 154/156 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/520 variables, 2/158 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/520 variables, 0/158 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 70/590 variables, 52/210 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/590 variables, 3/213 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/590 variables, 1/214 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 10:00:21] [INFO ] Deduced a trap composed of 41 places in 62 ms of which 4 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/590 variables, 1/215 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/590 variables, 0/215 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 0/590 variables, 0/215 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 590/590 variables, and 215 constraints, problems are : Problem set: 0 solved, 3 unsolved in 589 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 206/206 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 3/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 968ms problems are : Problem set: 0 solved, 3 unsolved
Parikh walk visited 0 properties in 105 ms.
Support contains 82 out of 206 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 206/206 places, 396/396 transitions.
Applied a total of 0 rules in 7 ms. Remains 206 /206 variables (removed 0) and now considering 396/396 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 206/206 places, 396/396 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 206/206 places, 396/396 transitions.
Applied a total of 0 rules in 7 ms. Remains 206 /206 variables (removed 0) and now considering 396/396 (removed 0) transitions.
[2025-05-30 10:00:21] [INFO ] Flow matrix only has 384 transitions (discarded 12 similar events)
[2025-05-30 10:00:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 10:00:21] [INFO ] Implicit Places using invariants in 58 ms returned []
[2025-05-30 10:00:21] [INFO ] Flow matrix only has 384 transitions (discarded 12 similar events)
[2025-05-30 10:00:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 10:00:21] [INFO ] State equation strengthened by 5 read => feed constraints.
[2025-05-30 10:00:21] [INFO ] Implicit Places using invariants and state equation in 153 ms returned []
Implicit Place search using SMT with State Equation took 215 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-30 10:00:21] [INFO ] Redundant transitions in 33 ms returned []
Running 394 sub problems to find dead transitions.
[2025-05-30 10:00:21] [INFO ] Flow matrix only has 384 transitions (discarded 12 similar events)
[2025-05-30 10:00:21] [INFO ] Invariant cache hit.
[2025-05-30 10:00:21] [INFO ] State equation strengthened by 5 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/204 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 394 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/204 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 394 unsolved
At refinement iteration 2 (OVERLAPS) 384/588 variables, 204/206 constraints. Problems are: Problem set: 0 solved, 394 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/588 variables, 5/211 constraints. Problems are: Problem set: 0 solved, 394 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/588 variables, 0/211 constraints. Problems are: Problem set: 0 solved, 394 unsolved
Problem TDEAD195 is UNSAT
Problem TDEAD330 is UNSAT
Problem TDEAD331 is UNSAT
Problem TDEAD332 is UNSAT
Problem TDEAD333 is UNSAT
Problem TDEAD334 is UNSAT
At refinement iteration 5 (OVERLAPS) 2/590 variables, 2/213 constraints. Problems are: Problem set: 6 solved, 388 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 10:00:36] [INFO ] Deduced a trap composed of 41 places in 68 ms of which 4 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/590 variables, 1/214 constraints. Problems are: Problem set: 6 solved, 388 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 10:00:43] [INFO ] Deduced a trap composed of 68 places in 63 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/590 variables, 1/215 constraints. Problems are: Problem set: 6 solved, 388 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/590 variables, 0/215 constraints. Problems are: Problem set: 6 solved, 388 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 590/590 variables, and 215 constraints, problems are : Problem set: 6 solved, 388 unsolved in 30027 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 206/206 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 394/394 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 6 solved, 388 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/204 variables, 2/2 constraints. Problems are: Problem set: 6 solved, 388 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/204 variables, 2/4 constraints. Problems are: Problem set: 6 solved, 388 unsolved
SDD proceeding with computation,11 properties remain. new max is 32768
SDD size :228316 after 3.6693e+06
At refinement iteration 2 (INCLUDED_ONLY) 0/204 variables, 0/4 constraints. Problems are: Problem set: 6 solved, 388 unsolved
At refinement iteration 3 (OVERLAPS) 384/588 variables, 204/208 constraints. Problems are: Problem set: 6 solved, 388 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/588 variables, 5/213 constraints. Problems are: Problem set: 6 solved, 388 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/588 variables, 301/514 constraints. Problems are: Problem set: 6 solved, 388 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/588 variables, 0/514 constraints. Problems are: Problem set: 6 solved, 388 unsolved
At refinement iteration 7 (OVERLAPS) 2/590 variables, 2/516 constraints. Problems are: Problem set: 6 solved, 388 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/590 variables, 87/603 constraints. Problems are: Problem set: 6 solved, 388 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 10:01:20] [INFO ] Deduced a trap composed of 54 places in 55 ms of which 2 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 590/590 variables, and 604 constraints, problems are : Problem set: 6 solved, 388 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 206/206 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 388/394 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60185ms problems are : Problem set: 6 solved, 388 unsolved
Search for dead transitions found 6 dead transitions in 60188ms
Found 6 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 6 transitions
Dead transitions reduction (with SMT) removed 6 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 206/206 places, 390/396 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 205 transition count 389
Applied a total of 2 rules in 11 ms. Remains 205 /206 variables (removed 1) and now considering 389/390 (removed 1) transitions.
[2025-05-30 10:01:21] [INFO ] Flow matrix only has 378 transitions (discarded 11 similar events)
// Phase 1: matrix 378 rows 205 cols
[2025-05-30 10:01:21] [INFO ] Computed 3 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 10:01:21] [INFO ] Implicit Places using invariants in 61 ms returned []
[2025-05-30 10:01:21] [INFO ] Flow matrix only has 378 transitions (discarded 11 similar events)
[2025-05-30 10:01:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 10:01:21] [INFO ] State equation strengthened by 5 read => feed constraints.
[2025-05-30 10:01:22] [INFO ] Implicit Places using invariants and state equation in 144 ms returned []
Implicit Place search using SMT with State Equation took 208 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 205/206 places, 389/396 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 60677 ms. Remains : 205/206 places, 389/396 transitions.
RANDOM walk for 40000 steps (1484 resets) in 201 ms. (198 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (368 resets) in 113 ms. (350 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (424 resets) in 67 ms. (588 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (386 resets) in 63 ms. (625 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 1031803 steps, run timeout after 3001 ms. (steps per millisecond=343 ) properties seen :0 out of 3
Probabilistic random walk after 1031803 steps, saw 227610 distinct states, run finished after 3003 ms. (steps per millisecond=343 ) properties seen :0
[2025-05-30 10:01:25] [INFO ] Flow matrix only has 378 transitions (discarded 11 similar events)
[2025-05-30 10:01:25] [INFO ] Invariant cache hit.
[2025-05-30 10:01:25] [INFO ] State equation strengthened by 5 read => feed constraints.
Starting Z3 with timeout 105.0 s and query timeout 10500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 103/185 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/185 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 373/558 variables, 185/188 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/558 variables, 3/191 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/558 variables, 0/191 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 25/583 variables, 20/211 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/583 variables, 2/213 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/583 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 0/583 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 583/583 variables, and 213 constraints, problems are : Problem set: 0 solved, 3 unsolved in 336 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 205/205 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 3/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 105.0 s and query timeout 10500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 103/185 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/185 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 373/558 variables, 185/188 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/558 variables, 3/191 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/558 variables, 0/191 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 25/583 variables, 20/211 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/583 variables, 2/213 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/583 variables, 1/214 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/583 variables, 0/214 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 0/583 variables, 0/214 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 583/583 variables, and 214 constraints, problems are : Problem set: 0 solved, 3 unsolved in 464 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 205/205 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 3/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 813ms problems are : Problem set: 0 solved, 3 unsolved
Parikh walk visited 0 properties in 145 ms.
Support contains 82 out of 205 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 205/205 places, 389/389 transitions.
Applied a total of 0 rules in 6 ms. Remains 205 /205 variables (removed 0) and now considering 389/389 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 205/205 places, 389/389 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 205/205 places, 389/389 transitions.
Applied a total of 0 rules in 6 ms. Remains 205 /205 variables (removed 0) and now considering 389/389 (removed 0) transitions.
[2025-05-30 10:01:26] [INFO ] Flow matrix only has 378 transitions (discarded 11 similar events)
[2025-05-30 10:01:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 10:01:26] [INFO ] Implicit Places using invariants in 64 ms returned []
[2025-05-30 10:01:26] [INFO ] Flow matrix only has 378 transitions (discarded 11 similar events)
[2025-05-30 10:01:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 10:01:26] [INFO ] State equation strengthened by 5 read => feed constraints.
[2025-05-30 10:01:26] [INFO ] Implicit Places using invariants and state equation in 140 ms returned []
Implicit Place search using SMT with State Equation took 207 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-30 10:01:26] [INFO ] Redundant transitions in 15 ms returned []
Running 387 sub problems to find dead transitions.
[2025-05-30 10:01:26] [INFO ] Flow matrix only has 378 transitions (discarded 11 similar events)
[2025-05-30 10:01:26] [INFO ] Invariant cache hit.
[2025-05-30 10:01:26] [INFO ] State equation strengthened by 5 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/203 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 387 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/203 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 387 unsolved
At refinement iteration 2 (OVERLAPS) 1/204 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 387 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/204 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 387 unsolved
At refinement iteration 4 (OVERLAPS) 378/582 variables, 204/207 constraints. Problems are: Problem set: 0 solved, 387 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/582 variables, 5/212 constraints. Problems are: Problem set: 0 solved, 387 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 10:01:35] [INFO ] Deduced a trap composed of 40 places in 60 ms of which 8 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/582 variables, 1/213 constraints. Problems are: Problem set: 0 solved, 387 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 10:01:42] [INFO ] Deduced a trap composed of 68 places in 60 ms of which 4 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/582 variables, 1/214 constraints. Problems are: Problem set: 0 solved, 387 unsolved
Invariant property CloudReconfiguration-PT-318-ReachabilityFireability-2025-15 does not hold.
At refinement iteration 8 (INCLUDED_ONLY) 0/582 variables, 0/214 constraints. Problems are: Problem set: 0 solved, 387 unsolved
At refinement iteration 9 (OVERLAPS) 1/583 variables, 1/215 constraints. Problems are: Problem set: 0 solved, 387 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 583/583 variables, and 215 constraints, problems are : Problem set: 0 solved, 387 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 205/205 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 387/387 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 387 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/203 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 387 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/203 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 387 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/203 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 387 unsolved
At refinement iteration 3 (OVERLAPS) 1/204 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 387 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/204 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 387 unsolved
At refinement iteration 5 (OVERLAPS) 378/582 variables, 204/209 constraints. Problems are: Problem set: 0 solved, 387 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/582 variables, 5/214 constraints. Problems are: Problem set: 0 solved, 387 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/582 variables, 300/514 constraints. Problems are: Problem set: 0 solved, 387 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/582 variables, 0/514 constraints. Problems are: Problem set: 0 solved, 387 unsolved
At refinement iteration 9 (OVERLAPS) 1/583 variables, 1/515 constraints. Problems are: Problem set: 0 solved, 387 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/583 variables, 87/602 constraints. Problems are: Problem set: 0 solved, 387 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 583/583 variables, and 602 constraints, problems are : Problem set: 0 solved, 387 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 205/205 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 387/387 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60117ms problems are : Problem set: 0 solved, 387 unsolved
Search for dead transitions found 0 dead transitions in 60118ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 60357 ms. Remains : 205/205 places, 389/389 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 0 with 11 rules applied. Total rules applied 11 place count 205 transition count 378
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 15 place count 201 transition count 374
Iterating global reduction 1 with 4 rules applied. Total rules applied 19 place count 201 transition count 374
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 20 place count 201 transition count 373
Applied a total of 20 rules in 14 ms. Remains 201 /205 variables (removed 4) and now considering 373/389 (removed 16) transitions.
Running SMT prover for 3 properties.
// Phase 1: matrix 373 rows 201 cols
[2025-05-30 10:02:26] [INFO ] Computed 3 invariants in 4 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-30 10:02:26] [INFO ] After 61ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-30 10:02:26] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-05-30 10:02:26] [INFO ] After 146ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
TRAPS : Iteration 0
[2025-05-30 10:02:26] [INFO ] After 222ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
[2025-05-30 10:02:26] [INFO ] After 357ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
[2025-05-30 10:02:27] [INFO ] Flatten gal took : 15 ms
[2025-05-30 10:02:27] [INFO ] Flatten gal took : 14 ms
[2025-05-30 10:02:27] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9662406470903691240.gal : 3 ms
[2025-05-30 10:02:27] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16293032421637824060.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/ReachabilityCardinality9662406470903691240.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16293032421637824060.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/ReachabilityCardinality16293032421637824060.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :3 after 11
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :11 after 17
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :17 after 18
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :18 after 24
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :24 after 29
Invariant property CloudReconfiguration-PT-318-ReachabilityFireability-2025-04 does not hold.
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :29 after 674
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :674 after 861
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :861 after 1651
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :1651 after 6935
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :6935 after 1.21147e+06
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,1.55384e+07,0.219259,11636,2,1393,17,30079,8,0,1269,24476,0
Total reachable state count : 15538374

Verifying 3 reachability properties.
Invariant property CloudReconfiguration-PT-318-ReachabilityFireability-2025-00 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
CloudReconfiguration-PT-318-ReachabilityFireability-2025-00,8,0.229864,11636,2,246,17,30079,8,0,1330,24476,0
Invariant property CloudReconfiguration-PT-318-ReachabilityFireability-2025-04 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
CloudReconfiguration-PT-318-ReachabilityFireability-2025-04,1,0.233578,11892,2,202,17,30079,9,0,1403,24476,0
Invariant property CloudReconfiguration-PT-318-ReachabilityFireability-2025-08 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
CloudReconfiguration-PT-318-ReachabilityFireability-2025-08,162,0.234972,11892,2,321,17,30079,9,0,1411,24476,0
Over-approximation ignoring read arcs solved 0 properties in 735 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2025-05-30 10:02:27] [INFO ] Flatten gal took : 94 ms
[2025-05-30 10:02:27] [INFO ] Applying decomposition
[2025-05-30 10:02:27] [INFO ] Flatten gal took : 71 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph8614134817128541610.txt' '-o' '/tmp/graph8614134817128541610.bin' '-w' '/tmp/graph8614134817128541610.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph8614134817128541610.bin' '-l' '-1' '-v' '-w' '/tmp/graph8614134817128541610.weights' '-q' '0' '-e' '0.001'
[2025-05-30 10:02:27] [INFO ] Decomposing Gal with order
[2025-05-30 10:02:27] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-05-30 10:02:28] [INFO ] Removed a total of 584 redundant transitions.
[2025-05-30 10:02:28] [INFO ] Flatten gal took : 193 ms
[2025-05-30 10:02:28] [INFO ] Fuse similar labels procedure discarded/fused a total of 21 labels/synchronizations in 25 ms.
[2025-05-30 10:02:28] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality18394102032030353514.gal : 31 ms
[2025-05-30 10:02:28] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16060576991876392157.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/ReachabilityCardinality18394102032030353514.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16060576991876392157.prop' '--nowitness'

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 ...309
Loading property file /tmp/ReachabilityCardinality16060576991876392157.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 1
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :1 after 1
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :1 after 1
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :1 after 1
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :1 after 1
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :1 after 1
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :1 after 179
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :179 after 179
SDD proceeding with computation,3 properties remain. new max is 1024
SDD size :179 after 35883
SDD proceeding with computation,3 properties remain. new max is 2048
SDD size :35883 after 41799
SDD proceeding with computation,3 properties remain. new max is 4096
SDD size :41799 after 233127
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\_mod\_flat,2.86128e+11,24.729,664860,12122,299,1.14449e+06,31502,3126,3.25674e+06,170,137971,0
Total reachable state count : 286127966350

Verifying 3 reachability properties.
Invariant property CloudReconfiguration-PT-318-ReachabilityFireability-2025-00 does not hold.
FORMULA CloudReconfiguration-PT-318-ReachabilityFireability-2025-00 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
CloudReconfiguration-PT-318-ReachabilityFireability-2025-00,8,25.1469,664860,1030,25,1.14449e+06,31502,3190,3.25674e+06,180,137971,61921
Invariant property CloudReconfiguration-PT-318-ReachabilityFireability-2025-04 is true.
FORMULA CloudReconfiguration-PT-318-ReachabilityFireability-2025-04 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
CloudReconfiguration-PT-318-ReachabilityFireability-2025-04,0,25.2102,664860,1,0,1.14449e+06,31502,3235,3.25674e+06,181,137971,73435
Invariant property CloudReconfiguration-PT-318-ReachabilityFireability-2025-08 does not hold.
FORMULA CloudReconfiguration-PT-318-ReachabilityFireability-2025-08 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
CloudReconfiguration-PT-318-ReachabilityFireability-2025-08,1085,25.2455,664860,1188,53,1.14449e+06,31502,3238,3.25674e+06,182,137971,81144
All properties solved without resorting to model-checking.
Total runtime 181671 ms.

BK_STOP 1748599374012

--------------------
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="CloudReconfiguration-PT-318"
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 CloudReconfiguration-PT-318, 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 r044-tall-174854028300343"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-318.tgz
mv CloudReconfiguration-PT-318 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 ;