Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r044-tall-174854027700046.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 CloudDeployment-PT-4b, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r044-tall-174854027700046
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1016K
-rw-r--r-- 1 mcc users 6.3K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 63K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.6K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 38K 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 27K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.2K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 92K 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 93K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K 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 3 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 591K 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 CloudDeployment-PT-4b-ReachabilityCardinality-2024-13
FORMULA_NAME CloudDeployment-PT-4b-ReachabilityCardinality-2025-00
FORMULA_NAME CloudDeployment-PT-4b-ReachabilityCardinality-2025-01
FORMULA_NAME CloudDeployment-PT-4b-ReachabilityCardinality-2025-02
FORMULA_NAME CloudDeployment-PT-4b-ReachabilityCardinality-2025-03
FORMULA_NAME CloudDeployment-PT-4b-ReachabilityCardinality-2025-04
FORMULA_NAME CloudDeployment-PT-4b-ReachabilityCardinality-2025-05
FORMULA_NAME CloudDeployment-PT-4b-ReachabilityCardinality-2025-06
FORMULA_NAME CloudDeployment-PT-4b-ReachabilityCardinality-2025-07
FORMULA_NAME CloudDeployment-PT-4b-ReachabilityCardinality-2025-08
FORMULA_NAME CloudDeployment-PT-4b-ReachabilityCardinality-2025-09
FORMULA_NAME CloudDeployment-PT-4b-ReachabilityCardinality-2025-10
FORMULA_NAME CloudDeployment-PT-4b-ReachabilityCardinality-2025-11
FORMULA_NAME CloudDeployment-PT-4b-ReachabilityCardinality-2025-12
FORMULA_NAME CloudDeployment-PT-4b-ReachabilityCardinality-2025-14
FORMULA_NAME CloudDeployment-PT-4b-ReachabilityCardinality-2025-15

=== Now, execution of the tool begins

BK_START 1748555863707

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CloudDeployment-PT-4b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202505121319
[2025-05-29 21:57:44] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-05-29 21:57:44] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-29 21:57:45] [INFO ] Load time of PNML (sax parser for PT used): 138 ms
[2025-05-29 21:57:45] [INFO ] Transformed 1182 places.
[2025-05-29 21:57:45] [INFO ] Transformed 1824 transitions.
[2025-05-29 21:57:45] [INFO ] Found NUPN structural information;
[2025-05-29 21:57:45] [INFO ] Parsed PT model containing 1182 places and 1824 transitions and 8741 arcs in 245 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 17 ms.
Working with output stream class java.io.PrintStream
FORMULA CloudDeployment-PT-4b-ReachabilityCardinality-2025-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40000 steps (306 resets) in 2009 ms. (19 steps per ms) remains 7/15 properties
FORMULA CloudDeployment-PT-4b-ReachabilityCardinality-2025-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudDeployment-PT-4b-ReachabilityCardinality-2025-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudDeployment-PT-4b-ReachabilityCardinality-2025-06 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudDeployment-PT-4b-ReachabilityCardinality-2025-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudDeployment-PT-4b-ReachabilityCardinality-2025-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudDeployment-PT-4b-ReachabilityCardinality-2025-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudDeployment-PT-4b-ReachabilityCardinality-2025-01 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudDeployment-PT-4b-ReachabilityCardinality-2025-00 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2025-05-29 21:57:46] [INFO ] Flatten gal took : 415 ms
BEST_FIRST walk for 40002 steps (46 resets) in 241 ms. (165 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (49 resets) in 476 ms. (83 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40002 steps (46 resets) in 162 ms. (245 steps per ms) remains 7/7 properties
[2025-05-29 21:57:46] [INFO ] Flatten gal took : 291 ms
BEST_FIRST walk for 40003 steps (47 resets) in 143 ms. (277 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (45 resets) in 614 ms. (65 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40002 steps (47 resets) in 141 ms. (281 steps per ms) remains 7/7 properties
[2025-05-29 21:57:46] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality280228027633993350.gal : 178 ms
BEST_FIRST walk for 40002 steps (49 resets) in 151 ms. (263 steps per ms) remains 7/7 properties
[2025-05-29 21:57:46] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10841007935686668360.prop : 1 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/ReachabilityCardinality280228027633993350.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10841007935686668360.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 ...328
// Phase 1: matrix 1824 rows 1182 cols
[2025-05-29 21:57:46] [INFO ] Computed 17 invariants in 41 ms
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Loading property file /tmp/ReachabilityCardinality10841007935686668360.prop.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/62 variables, 62/62 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/62 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (OVERLAPS) 1082/1144 variables, 15/77 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1144 variables, 1082/1159 constraints. Problems are: Problem set: 0 solved, 7 unsolved
SDD proceeding with computation,7 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,7 properties remain. new max is 8
SDD size :5 after 8
SDD proceeding with computation,7 properties remain. new max is 16
SDD size :8 after 9
SDD proceeding with computation,7 properties remain. new max is 32
SDD size :9 after 11
SDD proceeding with computation,7 properties remain. new max is 64
SDD size :11 after 16
SDD proceeding with computation,7 properties remain. new max is 128
SDD size :16 after 133
SDD proceeding with computation,7 properties remain. new max is 256
SDD size :133 after 389
At refinement iteration 4 (INCLUDED_ONLY) 0/1144 variables, 0/1159 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (OVERLAPS) 37/1181 variables, 2/1161 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1181 variables, 37/1198 constraints. Problems are: Problem set: 0 solved, 7 unsolved
SDD proceeding with computation,7 properties remain. new max is 512
SDD size :389 after 9126
SDD proceeding with computation,7 properties remain. new max is 1024
SDD size :9126 after 9414
SDD proceeding with computation,7 properties remain. new max is 2048
SDD size :9414 after 9542
At refinement iteration 7 (INCLUDED_ONLY) 0/1181 variables, 0/1198 constraints. Problems are: Problem set: 0 solved, 7 unsolved
SDD proceeding with computation,7 properties remain. new max is 4096
SDD size :9542 after 9990
At refinement iteration 8 (OVERLAPS) 1824/3005 variables, 1181/2379 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/3005 variables, 0/2379 constraints. Problems are: Problem set: 0 solved, 7 unsolved
SDD proceeding with computation,7 properties remain. new max is 8192
SDD size :9990 after 72374
At refinement iteration 10 (OVERLAPS) 1/3006 variables, 1/2380 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/3006 variables, 1/2381 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/3006 variables, 0/2381 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 13 (OVERLAPS) 0/3006 variables, 0/2381 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3006/3006 variables, and 2381 constraints, problems are : Problem set: 0 solved, 7 unsolved in 4063 ms.
Refiners :[Domain max(s): 1182/1182 constraints, Generalized P Invariants (flows): 17/17 constraints, State Equation: 1182/1182 constraints, PredecessorRefiner: 7/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/62 variables, 62/62 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/62 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (OVERLAPS) 1082/1144 variables, 15/77 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1144 variables, 1082/1159 constraints. Problems are: Problem set: 0 solved, 7 unsolved
SDD proceeding with computation,7 properties remain. new max is 16384
SDD size :72374 after 696345
At refinement iteration 4 (INCLUDED_ONLY) 0/1144 variables, 0/1159 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (OVERLAPS) 37/1181 variables, 2/1161 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1181 variables, 37/1198 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1181 variables, 0/1198 constraints. Problems are: Problem set: 0 solved, 7 unsolved
SDD proceeding with computation,7 properties remain. new max is 32768
SDD size :696345 after 1.03556e+06
At refinement iteration 8 (OVERLAPS) 1824/3005 variables, 1181/2379 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/3005 variables, 6/2385 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/3005 variables, 0/2385 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 11 (OVERLAPS) 1/3006 variables, 1/2386 constraints. Problems are: Problem set: 0 solved, 7 unsolved
SMT process timed out in 9285ms, After SMT, problems are : Problem set: 0 solved, 7 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 62 out of 1182 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1182/1182 places, 1824/1824 transitions.
Graph (trivial) has 1077 edges and 1182 vertex of which 223 / 1182 are part of one of the 25 SCC in 7 ms
Free SCC test removed 198 places
Drop transitions (Empty/Sink Transition effects.) removed 241 transitions
Reduce isomorphic transitions removed 241 transitions.
Graph (complete) has 2483 edges and 984 vertex of which 976 are kept as prefixes of interest. Removing 8 places using SCC suffix rule.5 ms
Discarding 8 places :
Also discarding 4 output transitions
Drop transitions (Output transitions of discarded places.) removed 4 transitions
Ensure Unique test removed 1 places
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 404 transitions
Trivial Post-agglo rules discarded 404 transitions
Performed 404 trivial Post agglomeration. Transition count delta: 404
Iterating post reduction 0 with 409 rules applied. Total rules applied 411 place count 975 transition count 1171
Reduce places removed 404 places and 0 transitions.
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 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 1 with 411 rules applied. Total rules applied 822 place count 571 transition count 1164
Reduce places removed 2 places and 0 transitions.
Performed 34 Post agglomeration using F-continuation condition.Transition count delta: 34
Iterating post reduction 2 with 36 rules applied. Total rules applied 858 place count 569 transition count 1130
Reduce places removed 34 places and 0 transitions.
Iterating post reduction 3 with 34 rules applied. Total rules applied 892 place count 535 transition count 1130
Performed 23 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 23 Pre rules applied. Total rules applied 892 place count 535 transition count 1107
Deduced a syphon composed of 23 places in 1 ms
Reduce places removed 23 places and 0 transitions.
Iterating global reduction 4 with 46 rules applied. Total rules applied 938 place count 512 transition count 1107
Discarding 164 places :
Symmetric choice reduction at 4 with 164 rule applications. Total rules 1102 place count 348 transition count 696
Iterating global reduction 4 with 164 rules applied. Total rules applied 1266 place count 348 transition count 696
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 4 with 11 rules applied. Total rules applied 1277 place count 348 transition count 685
Performed 7 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 7 Pre rules applied. Total rules applied 1277 place count 348 transition count 678
Deduced a syphon composed of 7 places in 1 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 5 with 14 rules applied. Total rules applied 1291 place count 341 transition count 678
Discarding 2 places :
Symmetric choice reduction at 5 with 2 rule applications. Total rules 1293 place count 339 transition count 676
Iterating global reduction 5 with 2 rules applied. Total rules applied 1295 place count 339 transition count 676
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 1296 place count 338 transition count 675
Iterating global reduction 5 with 1 rules applied. Total rules applied 1297 place count 338 transition count 675
Performed 63 Post agglomeration using F-continuation condition.Transition count delta: 63
Deduced a syphon composed of 63 places in 1 ms
Reduce places removed 63 places and 0 transitions.
Iterating global reduction 5 with 126 rules applied. Total rules applied 1423 place count 275 transition count 612
Performed 32 Post agglomeration using F-continuation condition with reduction of 43 identical transitions.
Deduced a syphon composed of 32 places in 1 ms
Reduce places removed 32 places and 0 transitions.
Iterating global reduction 5 with 64 rules applied. Total rules applied 1487 place count 243 transition count 734
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 1488 place count 243 transition count 733
Drop transitions (Redundant composition of simpler transitions.) removed 38 transitions
Redundant transition composition rules discarded 38 transitions
Iterating global reduction 6 with 38 rules applied. Total rules applied 1526 place count 243 transition count 695
Free-agglomeration rule applied 39 times with reduction of 6 identical transitions.
Iterating global reduction 6 with 39 rules applied. Total rules applied 1565 place count 243 transition count 650
Reduce places removed 39 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 18 transitions
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 30 transitions.
Iterating post reduction 6 with 69 rules applied. Total rules applied 1634 place count 204 transition count 620
Drop transitions (Redundant composition of simpler transitions.) removed 58 transitions
Redundant transition composition rules discarded 58 transitions
Iterating global reduction 7 with 58 rules applied. Total rules applied 1692 place count 204 transition count 562
Partial Free-agglomeration rule applied 25 times.
Drop transitions (Partial Free agglomeration) removed 25 transitions
Iterating global reduction 7 with 25 rules applied. Total rules applied 1717 place count 204 transition count 562
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 7 with 1 rules applied. Total rules applied 1718 place count 204 transition count 561
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 7 with 1 rules applied. Total rules applied 1719 place count 203 transition count 560
Applied a total of 1719 rules in 528 ms. Remains 203 /1182 variables (removed 979) and now considering 560/1824 (removed 1264) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 537 ms. Remains : 203/1182 places, 560/1824 transitions.
RANDOM walk for 40000 steps (8 resets) in 1414 ms. (28 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (8 resets) in 109 ms. (363 steps per ms) remains 5/7 properties
FORMULA CloudDeployment-PT-4b-ReachabilityCardinality-2025-15 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudDeployment-PT-4b-ReachabilityCardinality-2025-14 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40003 steps (8 resets) in 136 ms. (291 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (8 resets) in 116 ms. (341 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40002 steps (8 resets) in 193 ms. (206 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (8 resets) in 118 ms. (336 steps per ms) remains 5/5 properties
[2025-05-29 21:57:57] [INFO ] Flow matrix only has 442 transitions (discarded 118 similar events)
// Phase 1: matrix 442 rows 203 cols
[2025-05-29 21:57:57] [INFO ] Computed 16 invariants in 9 ms
[2025-05-29 21:57:57] [INFO ] State equation strengthened by 175 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) 0/47 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 147/194 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/194 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 9/203 variables, 4/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/203 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 442/645 variables, 203/219 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/645 variables, 175/394 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/645 variables, 0/394 constraints. Problems are: Problem set: 0 solved, 5 unsolved
SDD proceeding with computation,7 properties remain. new max is 65536
SDD size :1.03556e+06 after 1.24741e+06
At refinement iteration 8 (OVERLAPS) 0/645 variables, 0/394 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 645/645 variables, and 394 constraints, problems are : Problem set: 0 solved, 5 unsolved in 968 ms.
Refiners :[Generalized P Invariants (flows): 16/16 constraints, State Equation: 203/203 constraints, ReadFeed: 175/175 constraints, PredecessorRefiner: 5/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/47 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 147/194 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/194 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 9/203 variables, 4/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/203 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 442/645 variables, 203/219 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/645 variables, 175/394 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/645 variables, 4/398 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/645 variables, 0/398 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (OVERLAPS) 0/645 variables, 0/398 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 645/645 variables, and 398 constraints, problems are : Problem set: 0 solved, 5 unsolved in 1394 ms.
Refiners :[Generalized P Invariants (flows): 16/16 constraints, State Equation: 203/203 constraints, ReadFeed: 175/175 constraints, PredecessorRefiner: 5/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2412ms problems are : Problem set: 0 solved, 5 unsolved
FORMULA CloudDeployment-PT-4b-ReachabilityCardinality-2025-04 TRUE TECHNIQUES PARIKH_WALK
FORMULA CloudDeployment-PT-4b-ReachabilityCardinality-2025-09 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 2 properties in 1018 ms.
Support contains 26 out of 203 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 203/203 places, 560/560 transitions.
Graph (trivial) has 98 edges and 203 vertex of which 20 / 203 are part of one of the 8 SCC in 0 ms
Free SCC test removed 12 places
Drop transitions (Empty/Sink Transition effects.) removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 0 with 8 rules applied. Total rules applied 9 place count 191 transition count 532
Reduce places removed 8 places and 0 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 1 with 10 rules applied. Total rules applied 19 place count 183 transition count 530
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 21 place count 181 transition count 530
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 5 Pre rules applied. Total rules applied 21 place count 181 transition count 525
Deduced a syphon composed of 5 places in 1 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 3 with 10 rules applied. Total rules applied 31 place count 176 transition count 525
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 32 place count 176 transition count 524
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: 15
Deduced a syphon composed of 15 places in 0 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 4 with 30 rules applied. Total rules applied 62 place count 161 transition count 509
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 4 with 8 rules applied. Total rules applied 70 place count 161 transition count 501
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: -26
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 5 with 8 rules applied. Total rules applied 78 place count 157 transition count 527
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 5 with 15 rules applied. Total rules applied 93 place count 157 transition count 512
Drop transitions (Redundant composition of simpler transitions.) removed 43 transitions
Redundant transition composition rules discarded 43 transitions
Iterating global reduction 6 with 43 rules applied. Total rules applied 136 place count 157 transition count 469
Free-agglomeration rule applied 7 times.
Iterating global reduction 6 with 7 rules applied. Total rules applied 143 place count 157 transition count 462
Reduce places removed 7 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 11 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 6 with 19 rules applied. Total rules applied 162 place count 150 transition count 450
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 163 place count 149 transition count 444
Iterating global reduction 7 with 1 rules applied. Total rules applied 164 place count 149 transition count 444
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 165 place count 149 transition count 443
Drop transitions (Redundant composition of simpler transitions.) removed 5 transitions
Redundant transition composition rules discarded 5 transitions
Iterating global reduction 8 with 5 rules applied. Total rules applied 170 place count 149 transition count 438
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 8 with 1 rules applied. Total rules applied 171 place count 149 transition count 438
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 8 with 2 rules applied. Total rules applied 173 place count 147 transition count 436
Applied a total of 173 rules in 217 ms. Remains 147 /203 variables (removed 56) and now considering 436/560 (removed 124) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 217 ms. Remains : 147/203 places, 436/560 transitions.
RANDOM walk for 40000 steps (8 resets) in 414 ms. (96 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 77 ms. (512 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 173 ms. (229 steps per ms) remains 2/3 properties
FORMULA CloudDeployment-PT-4b-ReachabilityCardinality-2025-12 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 115 ms. (344 steps per ms) remains 2/2 properties
[2025-05-29 21:58:01] [INFO ] Flow matrix only has 297 transitions (discarded 139 similar events)
// Phase 1: matrix 297 rows 147 cols
[2025-05-29 21:58:01] [INFO ] Computed 16 invariants in 2 ms
[2025-05-29 21:58:01] [INFO ] State equation strengthened by 10 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) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 110/135 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/135 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 12/147 variables, 6/16 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/147 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 297/444 variables, 147/163 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/444 variables, 10/173 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/444 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/444 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 444/444 variables, and 173 constraints, problems are : Problem set: 0 solved, 2 unsolved in 131 ms.
Refiners :[Generalized P Invariants (flows): 16/16 constraints, State Equation: 147/147 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 2/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 110/135 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/135 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 12/147 variables, 6/16 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/147 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 297/444 variables, 147/163 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/444 variables, 10/173 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/444 variables, 1/174 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/444 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 0/444 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 444/444 variables, and 174 constraints, problems are : Problem set: 0 solved, 2 unsolved in 329 ms.
Refiners :[Generalized P Invariants (flows): 16/16 constraints, State Equation: 147/147 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 2/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 483ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 64 ms.
Support contains 25 out of 147 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 147/147 places, 436/436 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 147 transition count 435
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 146 transition count 435
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -5
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 4 place count 145 transition count 440
Drop transitions (Redundant composition of simpler transitions.) removed 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 0 with 8 rules applied. Total rules applied 12 place count 145 transition count 432
Applied a total of 12 rules in 23 ms. Remains 145 /147 variables (removed 2) and now considering 432/436 (removed 4) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23 ms. Remains : 145/147 places, 432/436 transitions.
RANDOM walk for 40000 steps (8 resets) in 175 ms. (227 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 62 ms. (634 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (8 resets) in 96 ms. (412 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 1055206 steps, run timeout after 3001 ms. (steps per millisecond=351 ) properties seen :0 out of 2
Probabilistic random walk after 1055206 steps, saw 138642 distinct states, run finished after 3006 ms. (steps per millisecond=351 ) properties seen :0
[2025-05-29 21:58:04] [INFO ] Flow matrix only has 289 transitions (discarded 143 similar events)
// Phase 1: matrix 289 rows 145 cols
[2025-05-29 21:58:04] [INFO ] Computed 16 invariants in 2 ms
[2025-05-29 21:58:04] [INFO ] State equation strengthened by 10 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) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 108/133 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/133 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 12/145 variables, 6/16 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/145 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,7 properties remain. new max is 131072
At refinement iteration 5 (OVERLAPS) 289/434 variables, 145/161 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/434 variables, 10/171 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD size :1.24741e+06 after 5.28384e+06
At refinement iteration 7 (INCLUDED_ONLY) 0/434 variables, 0/171 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/434 variables, 0/171 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 434/434 variables, and 171 constraints, problems are : Problem set: 0 solved, 2 unsolved in 216 ms.
Refiners :[Generalized P Invariants (flows): 16/16 constraints, State Equation: 145/145 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 2/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 90.0 s and query timeout 9000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 108/133 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/133 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 12/145 variables, 6/16 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/145 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 289/434 variables, 145/161 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/434 variables, 10/171 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/434 variables, 1/172 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/434 variables, 0/172 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 0/434 variables, 0/172 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 434/434 variables, and 172 constraints, problems are : Problem set: 0 solved, 2 unsolved in 287 ms.
Refiners :[Generalized P Invariants (flows): 16/16 constraints, State Equation: 145/145 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 2/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 529ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 22 ms.
Support contains 25 out of 145 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 145/145 places, 432/432 transitions.
Applied a total of 0 rules in 10 ms. Remains 145 /145 variables (removed 0) and now considering 432/432 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 145/145 places, 432/432 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 145/145 places, 432/432 transitions.
Applied a total of 0 rules in 60 ms. Remains 145 /145 variables (removed 0) and now considering 432/432 (removed 0) transitions.
[2025-05-29 21:58:05] [INFO ] Flow matrix only has 289 transitions (discarded 143 similar events)
[2025-05-29 21:58:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 21:58:05] [INFO ] Implicit Places using invariants in 115 ms returned []
[2025-05-29 21:58:05] [INFO ] Flow matrix only has 289 transitions (discarded 143 similar events)
[2025-05-29 21:58:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 21:58:05] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-05-29 21:58:06] [INFO ] Implicit Places using invariants and state equation in 320 ms returned []
Implicit Place search using SMT with State Equation took 457 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-29 21:58:06] [INFO ] Redundant transitions in 31 ms returned []
Running 422 sub problems to find dead transitions.
[2025-05-29 21:58:06] [INFO ] Flow matrix only has 289 transitions (discarded 143 similar events)
[2025-05-29 21:58:06] [INFO ] Invariant cache hit.
[2025-05-29 21:58:06] [INFO ] State equation strengthened by 10 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/143 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 422 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/143 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 422 unsolved
At refinement iteration 2 (OVERLAPS) 2/145 variables, 4/16 constraints. Problems are: Problem set: 0 solved, 422 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/145 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 422 unsolved
Problem TDEAD307 is UNSAT
Problem TDEAD308 is UNSAT
Problem TDEAD309 is UNSAT
Problem TDEAD316 is UNSAT
Problem TDEAD317 is UNSAT
Problem TDEAD322 is UNSAT
Problem TDEAD323 is UNSAT
At refinement iteration 4 (OVERLAPS) 289/434 variables, 145/161 constraints. Problems are: Problem set: 7 solved, 415 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/434 variables, 10/171 constraints. Problems are: Problem set: 7 solved, 415 unsolved
SDD proceeding with computation,7 properties remain. new max is 262144
SDD size :5.28384e+06 after 1.99393e+07
At refinement iteration 6 (INCLUDED_ONLY) 0/434 variables, 0/171 constraints. Problems are: Problem set: 7 solved, 415 unsolved
At refinement iteration 7 (OVERLAPS) 0/434 variables, 0/171 constraints. Problems are: Problem set: 7 solved, 415 unsolved
No progress, stopping.
After SMT solving in domain Real declared 434/434 variables, and 171 constraints, problems are : Problem set: 7 solved, 415 unsolved in 30030 ms.
Refiners :[Generalized P Invariants (flows): 16/16 constraints, State Equation: 145/145 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 422/420 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 7 solved, 415 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/143 variables, 12/12 constraints. Problems are: Problem set: 7 solved, 415 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/143 variables, 0/12 constraints. Problems are: Problem set: 7 solved, 415 unsolved
At refinement iteration 2 (OVERLAPS) 2/145 variables, 4/16 constraints. Problems are: Problem set: 7 solved, 415 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/145 variables, 0/16 constraints. Problems are: Problem set: 7 solved, 415 unsolved
At refinement iteration 4 (OVERLAPS) 289/434 variables, 145/161 constraints. Problems are: Problem set: 7 solved, 415 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/434 variables, 10/171 constraints. Problems are: Problem set: 7 solved, 415 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/434 variables, 413/584 constraints. Problems are: Problem set: 7 solved, 415 unsolved
SDD proceeding with computation,7 properties remain. new max is 524288
SDD size :1.99393e+07 after 2.23136e+08
At refinement iteration 7 (INCLUDED_ONLY) 0/434 variables, 0/584 constraints. Problems are: Problem set: 7 solved, 415 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 434/434 variables, and 584 constraints, problems are : Problem set: 7 solved, 415 unsolved in 30031 ms.
Refiners :[Generalized P Invariants (flows): 16/16 constraints, State Equation: 145/145 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 415/420 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60542ms problems are : Problem set: 7 solved, 415 unsolved
Search for dead transitions found 7 dead transitions in 60545ms
Found 7 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 7 transitions
Dead transitions reduction (with SMT) removed 7 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 145/145 places, 425/432 transitions.
Ensure Unique test removed 7 places
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 138 transition count 425
Applied a total of 7 rules in 11 ms. Remains 138 /145 variables (removed 7) and now considering 425/425 (removed 0) transitions.
[2025-05-29 21:59:06] [INFO ] Flow matrix only has 282 transitions (discarded 143 similar events)
// Phase 1: matrix 282 rows 138 cols
[2025-05-29 21:59:06] [INFO ] Computed 16 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 21:59:06] [INFO ] Implicit Places using invariants in 150 ms returned []
[2025-05-29 21:59:06] [INFO ] Flow matrix only has 282 transitions (discarded 143 similar events)
[2025-05-29 21:59:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 21:59:06] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-05-29 21:59:07] [INFO ] Implicit Places using invariants and state equation in 370 ms returned [83]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 524 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 137/145 places, 425/432 transitions.
Applied a total of 0 rules in 20 ms. Remains 137 /137 variables (removed 0) and now considering 425/425 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 3 iterations and 61664 ms. Remains : 137/145 places, 425/432 transitions.
RANDOM walk for 40000 steps (8 resets) in 357 ms. (111 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 143 ms. (277 steps per ms) remains 1/2 properties
FORMULA CloudDeployment-PT-4b-ReachabilityCardinality-2025-11 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40002 steps (8 resets) in 75 ms. (526 steps per ms) remains 1/1 properties
[2025-05-29 21:59:07] [INFO ] Flow matrix only has 282 transitions (discarded 143 similar events)
// Phase 1: matrix 282 rows 137 cols
[2025-05-29 21:59:07] [INFO ] Computed 15 invariants in 1 ms
[2025-05-29 21:59:07] [INFO ] State equation strengthened by 10 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) 0/24 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 103/127 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/127 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/135 variables, 6/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/135 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 281/416 variables, 135/150 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/416 variables, 10/160 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/416 variables, 0/160 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 3/419 variables, 2/162 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/419 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/419 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 419/419 variables, and 162 constraints, problems are : Problem set: 0 solved, 1 unsolved in 119 ms.
Refiners :[Generalized P Invariants (flows): 15/15 constraints, State Equation: 137/137 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 105.0 s and query timeout 10500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 103/127 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/127 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/135 variables, 6/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/135 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 281/416 variables, 135/150 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/416 variables, 10/160 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/416 variables, 0/160 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 3/419 variables, 2/162 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/419 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/419 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 419/419 variables, and 162 constraints, problems are : Problem set: 0 solved, 1 unsolved in 272 ms.
Refiners :[Generalized P Invariants (flows): 15/15 constraints, State Equation: 137/137 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 401ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 11 ms.
Support contains 24 out of 137 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 137/137 places, 425/425 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 0 with 1 rules applied. Total rules applied 1 place count 137 transition count 424
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 136 transition count 424
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 4 place count 135 transition count 423
Applied a total of 4 rules in 15 ms. Remains 135 /137 variables (removed 2) and now considering 423/425 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15 ms. Remains : 135/137 places, 423/425 transitions.
RANDOM walk for 40000 steps (8 resets) in 178 ms. (223 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 81 ms. (487 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1592744 steps, run timeout after 3001 ms. (steps per millisecond=530 ) properties seen :0 out of 1
Probabilistic random walk after 1592744 steps, saw 195250 distinct states, run finished after 3001 ms. (steps per millisecond=530 ) properties seen :0
[2025-05-29 21:59:10] [INFO ] Flow matrix only has 276 transitions (discarded 147 similar events)
// Phase 1: matrix 276 rows 135 cols
[2025-05-29 21:59:10] [INFO ] Computed 15 invariants in 4 ms
[2025-05-29 21:59:10] [INFO ] State equation strengthened by 10 read => feed constraints.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 101/125 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/125 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/133 variables, 6/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/133 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 275/408 variables, 133/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/408 variables, 10/158 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/408 variables, 0/158 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 3/411 variables, 2/160 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/411 variables, 0/160 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/411 variables, 0/160 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 411/411 variables, and 160 constraints, problems are : Problem set: 0 solved, 1 unsolved in 126 ms.
Refiners :[Generalized P Invariants (flows): 15/15 constraints, State Equation: 135/135 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 101/125 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/125 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/133 variables, 6/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/133 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 275/408 variables, 133/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/408 variables, 10/158 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/408 variables, 0/158 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 3/411 variables, 2/160 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/411 variables, 0/160 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/411 variables, 0/160 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 411/411 variables, and 160 constraints, problems are : Problem set: 0 solved, 1 unsolved in 207 ms.
Refiners :[Generalized P Invariants (flows): 15/15 constraints, State Equation: 135/135 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 347ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 7 ms.
Support contains 24 out of 135 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 135/135 places, 423/423 transitions.
Applied a total of 0 rules in 8 ms. Remains 135 /135 variables (removed 0) and now considering 423/423 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 135/135 places, 423/423 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 135/135 places, 423/423 transitions.
Applied a total of 0 rules in 9 ms. Remains 135 /135 variables (removed 0) and now considering 423/423 (removed 0) transitions.
[2025-05-29 21:59:11] [INFO ] Flow matrix only has 276 transitions (discarded 147 similar events)
[2025-05-29 21:59:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 21:59:11] [INFO ] Implicit Places using invariants in 79 ms returned []
[2025-05-29 21:59:11] [INFO ] Flow matrix only has 276 transitions (discarded 147 similar events)
[2025-05-29 21:59:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 21:59:11] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-05-29 21:59:11] [INFO ] Implicit Places using invariants and state equation in 243 ms returned []
Implicit Place search using SMT with State Equation took 327 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-29 21:59:11] [INFO ] Redundant transitions in 54 ms returned []
Running 413 sub problems to find dead transitions.
[2025-05-29 21:59:11] [INFO ] Flow matrix only has 276 transitions (discarded 147 similar events)
[2025-05-29 21:59:11] [INFO ] Invariant cache hit.
[2025-05-29 21:59:11] [INFO ] State equation strengthened by 10 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/133 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 413 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/133 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 413 unsolved
At refinement iteration 2 (OVERLAPS) 2/135 variables, 4/15 constraints. Problems are: Problem set: 0 solved, 413 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/135 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 413 unsolved
At refinement iteration 4 (OVERLAPS) 276/411 variables, 135/150 constraints. Problems are: Problem set: 0 solved, 413 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/411 variables, 10/160 constraints. Problems are: Problem set: 0 solved, 413 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/411 variables, 0/160 constraints. Problems are: Problem set: 0 solved, 413 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 411/411 variables, and 160 constraints, problems are : Problem set: 0 solved, 413 unsolved in 30021 ms.
Refiners :[Generalized P Invariants (flows): 15/15 constraints, State Equation: 135/135 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 413/411 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 413 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/133 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 413 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/133 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 413 unsolved
At refinement iteration 2 (OVERLAPS) 2/135 variables, 4/15 constraints. Problems are: Problem set: 0 solved, 413 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/135 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 413 unsolved
At refinement iteration 4 (OVERLAPS) 276/411 variables, 135/150 constraints. Problems are: Problem set: 0 solved, 413 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/411 variables, 10/160 constraints. Problems are: Problem set: 0 solved, 413 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/411 variables, 411/571 constraints. Problems are: Problem set: 0 solved, 413 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/411 variables, 0/571 constraints. Problems are: Problem set: 0 solved, 413 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 411/411 variables, and 571 constraints, problems are : Problem set: 0 solved, 413 unsolved in 30026 ms.
Refiners :[Generalized P Invariants (flows): 15/15 constraints, State Equation: 135/135 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 413/411 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60436ms problems are : Problem set: 0 solved, 413 unsolved
Search for dead transitions found 0 dead transitions in 60439ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 60836 ms. Remains : 135/135 places, 423/423 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 86 edges and 135 vertex of which 8 / 135 are part of one of the 2 SCC in 0 ms
Free SCC test removed 6 places
Drop transitions (Empty/Sink Transition effects.) removed 9 transitions
Ensure Unique test removed 148 transitions
Reduce isomorphic transitions removed 157 transitions.
Ensure Unique test removed 3 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 13 transitions
Trivial Post-agglo rules discarded 13 transitions
Performed 13 trivial Post agglomeration. Transition count delta: 13
Iterating post reduction 0 with 16 rules applied. Total rules applied 17 place count 126 transition count 253
Reduce places removed 13 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 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 1 with 17 rules applied. Total rules applied 34 place count 113 transition count 249
Reduce places removed 2 places and 0 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Iterating post reduction 2 with 5 rules applied. Total rules applied 39 place count 111 transition count 246
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 42 place count 108 transition count 246
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 5 Pre rules applied. Total rules applied 42 place count 108 transition count 241
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 4 with 10 rules applied. Total rules applied 52 place count 103 transition count 241
Discarding 4 places :
Symmetric choice reduction at 4 with 4 rule applications. Total rules 56 place count 99 transition count 237
Iterating global reduction 4 with 4 rules applied. Total rules applied 60 place count 99 transition count 237
Discarding 3 places :
Symmetric choice reduction at 4 with 3 rule applications. Total rules 63 place count 96 transition count 222
Iterating global reduction 4 with 3 rules applied. Total rules applied 66 place count 96 transition count 222
Ensure Unique test removed 51 transitions
Reduce isomorphic transitions removed 51 transitions.
Iterating post reduction 4 with 51 rules applied. Total rules applied 117 place count 96 transition count 171
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 5 with 10 rules applied. Total rules applied 127 place count 91 transition count 166
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 5 with 5 rules applied. Total rules applied 132 place count 91 transition count 161
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 6 with 2 rules applied. Total rules applied 134 place count 90 transition count 161
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 135 place count 90 transition count 160
Drop transitions (Redundant composition of simpler transitions.) removed 7 transitions
Redundant transition composition rules discarded 7 transitions
Iterating global reduction 7 with 7 rules applied. Total rules applied 142 place count 90 transition count 153
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 7 with 2 rules applied. Total rules applied 144 place count 89 transition count 152
Free-agglomeration rule applied 8 times with reduction of 1 identical transitions.
Iterating global reduction 7 with 8 rules applied. Total rules applied 152 place count 89 transition count 143
Reduce places removed 8 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 7 with 10 rules applied. Total rules applied 162 place count 81 transition count 141
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 8 with 1 rules applied. Total rules applied 163 place count 81 transition count 140
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 8 with 1 rules applied. Total rules applied 164 place count 81 transition count 140
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 8 with 1 rules applied. Total rules applied 165 place count 81 transition count 139
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 8 with 1 rules applied. Total rules applied 166 place count 81 transition count 139
Discarding 1 places :
Symmetric choice reduction at 8 with 1 rule applications. Total rules 167 place count 80 transition count 138
Iterating global reduction 8 with 1 rules applied. Total rules applied 168 place count 80 transition count 138
Applied a total of 168 rules in 35 ms. Remains 80 /135 variables (removed 55) and now considering 138/423 (removed 285) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 138 rows 80 cols
[2025-05-29 22:00:12] [INFO ] Computed 12 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-29 22:00:12] [INFO ] After 33ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-29 22:00:12] [INFO ] [Nat]Absence check using 0 positive and 12 generalized place invariants in 2 ms returned sat
[2025-05-29 22:00:12] [INFO ] After 46ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-05-29 22:00:12] [INFO ] After 67ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-05-29 22:00:12] [INFO ] After 126ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-05-29 22:00:12] [INFO ] Flatten gal took : 15 ms
[2025-05-29 22:00:12] [INFO ] Flatten gal took : 10 ms
[2025-05-29 22:00:12] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7103544756338768749.gal : 7 ms
[2025-05-29 22:00:12] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3234483647768702416.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/ReachabilityCardinality7103544756338768749.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3234483647768702416.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 ...328
Loading property file /tmp/ReachabilityCardinality3234483647768702416.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 4
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :4 after 8
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :8 after 92
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :92 after 97
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :97 after 120
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :120 after 264
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :264 after 10624
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :10624 after 32128
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,1.10193e+07,0.079302,7492,2,2149,13,17445,7,0,493,12317,0
Total reachable state count : 11019261

Verifying 1 reachability properties.
Invariant property CloudDeployment-PT-4b-ReachabilityCardinality-2024-13 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
CloudDeployment-PT-4b-ReachabilityCardinality-2024-13,0,0.083128,7620,1,0,13,17445,7,0,516,12317,0
FORMULA CloudDeployment-PT-4b-ReachabilityCardinality-2024-13 TRUE TECHNIQUES OVER_APPROXIMATION
Over-approximation ignoring read arcs solved -1 properties in 353 ms.
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 147778 ms.

BK_STOP 1748556012746

--------------------
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
+ [[ ReachabilityCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityCardinality -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 ReachabilityCardinality -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="CloudDeployment-PT-4b"
export BK_EXAMINATION="ReachabilityCardinality"
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 CloudDeployment-PT-4b, examination is ReachabilityCardinality"
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-174854027700046"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudDeployment-PT-4b.tgz
mv CloudDeployment-PT-4b execution
cd execution
if [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "UpperBounds" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] || [ "ReachabilityCardinality" = "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 [ "ReachabilityCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityCardinality" != "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 "ReachabilityCardinality.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 '' ReachabilityCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityCardinality"
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 ;