Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r002-tall-174853729100359.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
........................................................
=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is ASLink-PT-05b, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r002-tall-174853729100359
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.2M
-rw-r--r-- 1 mcc users 6.0K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 61K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.4K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 63K 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 6.0K May 29 14:32 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.0K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K 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 8.6K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 82K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.9K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 65K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K 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 795K 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 ASLink-PT-05b-ReachabilityFireability-2023-10
FORMULA_NAME ASLink-PT-05b-ReachabilityFireability-2024-04
FORMULA_NAME ASLink-PT-05b-ReachabilityFireability-2025-00
FORMULA_NAME ASLink-PT-05b-ReachabilityFireability-2025-01
FORMULA_NAME ASLink-PT-05b-ReachabilityFireability-2025-02
FORMULA_NAME ASLink-PT-05b-ReachabilityFireability-2025-03
FORMULA_NAME ASLink-PT-05b-ReachabilityFireability-2025-05
FORMULA_NAME ASLink-PT-05b-ReachabilityFireability-2025-06
FORMULA_NAME ASLink-PT-05b-ReachabilityFireability-2025-07
FORMULA_NAME ASLink-PT-05b-ReachabilityFireability-2025-08
FORMULA_NAME ASLink-PT-05b-ReachabilityFireability-2025-09
FORMULA_NAME ASLink-PT-05b-ReachabilityFireability-2025-11
FORMULA_NAME ASLink-PT-05b-ReachabilityFireability-2025-12
FORMULA_NAME ASLink-PT-05b-ReachabilityFireability-2025-13
FORMULA_NAME ASLink-PT-05b-ReachabilityFireability-2025-14
FORMULA_NAME ASLink-PT-05b-ReachabilityFireability-2025-15

=== Now, execution of the tool begins

BK_START 1748585054266

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ASLink-PT-05b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202505121319
[2025-05-30 06:04:15] [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 06:04:15] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-30 06:04:15] [INFO ] Load time of PNML (sax parser for PT used): 171 ms
[2025-05-30 06:04:15] [INFO ] Transformed 2430 places.
[2025-05-30 06:04:15] [INFO ] Transformed 3040 transitions.
[2025-05-30 06:04:15] [INFO ] Found NUPN structural information;
[2025-05-30 06:04:15] [INFO ] Parsed PT model containing 2430 places and 3040 transitions and 9292 arcs in 307 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 13 ms.
Working with output stream class java.io.PrintStream
RANDOM walk for 40000 steps (77 resets) in 1804 ms. (22 steps per ms) remains 11/16 properties
FORMULA ASLink-PT-05b-ReachabilityFireability-2025-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ASLink-PT-05b-ReachabilityFireability-2025-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ASLink-PT-05b-ReachabilityFireability-2025-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ASLink-PT-05b-ReachabilityFireability-2025-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ASLink-PT-05b-ReachabilityFireability-2025-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 289 ms. (137 steps per ms) remains 11/11 properties
[2025-05-30 06:04:16] [INFO ] Flatten gal took : 371 ms
BEST_FIRST walk for 40004 steps (10 resets) in 357 ms. (111 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (10 resets) in 312 ms. (127 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (10 resets) in 219 ms. (181 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (9 resets) in 352 ms. (113 steps per ms) remains 11/11 properties
[2025-05-30 06:04:17] [INFO ] Flatten gal took : 290 ms
BEST_FIRST walk for 40004 steps (11 resets) in 213 ms. (186 steps per ms) remains 11/11 properties
[2025-05-30 06:04:17] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7415706343847337758.gal : 110 ms
[2025-05-30 06:04:17] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6659793609124695163.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/ReachabilityCardinality7415706343847337758.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6659793609124695163.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
BEST_FIRST walk for 40004 steps (11 resets) in 1088 ms. (36 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (10 resets) in 157 ms. (253 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (10 resets) in 231 ms. (172 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40001 steps (11 resets) in 120 ms. (330 steps per ms) remains 11/11 properties
Loading property file /tmp/ReachabilityCardinality6659793609124695163.prop.
BEST_FIRST walk for 40003 steps (9 resets) in 112 ms. (354 steps per ms) remains 11/11 properties
// Phase 1: matrix 3040 rows 2430 cols
[2025-05-30 06:04:17] [INFO ] Computed 238 invariants in 104 ms
Excessive predecessor constraint size, skipping predecessor.
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) 0/188 variables, 188/188 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/188 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 2 (OVERLAPS) 465/653 variables, 38/226 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/653 variables, 465/691 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/653 variables, 0/691 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 5 (OVERLAPS) 117/770 variables, 18/709 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/770 variables, 117/826 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/770 variables, 0/826 constraints. Problems are: Problem set: 0 solved, 11 unsolved
Problem ASLink-PT-05b-ReachabilityFireability-2025-05 is UNSAT
FORMULA ASLink-PT-05b-ReachabilityFireability-2025-05 FALSE TECHNIQUES SMT_REFINEMENT
Problem ASLink-PT-05b-ReachabilityFireability-2025-13 is UNSAT
FORMULA ASLink-PT-05b-ReachabilityFireability-2025-13 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 8 (OVERLAPS) 1611/2381 variables, 174/1000 constraints. Problems are: Problem set: 2 solved, 9 unsolved
SDD proceeding with computation,11 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,11 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,11 properties remain. new max is 16
SDD size :10 after 11
SDD proceeding with computation,11 properties remain. new max is 32
SDD size :11 after 17
SDD proceeding with computation,11 properties remain. new max is 64
SDD size :17 after 136
SDD proceeding with computation,11 properties remain. new max is 128
SDD size :136 after 246
SDD proceeding with computation,11 properties remain. new max is 256
SDD size :246 after 699
SDD proceeding with computation,11 properties remain. new max is 512
SDD size :699 after 13547
SDD proceeding with computation,11 properties remain. new max is 1024
SDD size :13547 after 223559
SDD proceeding with computation,11 properties remain. new max is 2048
SDD size :223559 after 906890
SDD proceeding with computation,11 properties remain. new max is 4096
SDD size :906890 after 7.2729e+10
At refinement iteration 9 (INCLUDED_ONLY) 0/2381 variables, 1611/2611 constraints. Problems are: Problem set: 2 solved, 9 unsolved
SDD proceeding with computation,11 properties remain. new max is 8192
SDD size :7.2729e+10 after 1.26508e+17
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2381/5470 variables, and 2611 constraints, problems are : Problem set: 2 solved, 9 unsolved in 5027 ms.
Refiners :[Domain max(s): 2381/2430 constraints, Positive P Invariants (semi-flows): 56/56 constraints, Generalized P Invariants (flows): 174/182 constraints, State Equation: 0/2430 constraints, PredecessorRefiner: 11/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 2 solved, 9 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/144 variables, 144/144 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/144 variables, 0/144 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 2 (OVERLAPS) 471/615 variables, 38/182 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/615 variables, 471/653 constraints. Problems are: Problem set: 2 solved, 9 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 06:04:23] [INFO ] Deduced a trap composed of 20 places in 85 ms of which 17 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/615 variables, 1/654 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/615 variables, 0/654 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 6 (OVERLAPS) 117/732 variables, 18/672 constraints. Problems are: Problem set: 2 solved, 9 unsolved
SDD proceeding with computation,11 properties remain. new max is 16384
At refinement iteration 7 (INCLUDED_ONLY) 0/732 variables, 117/789 constraints. Problems are: Problem set: 2 solved, 9 unsolved
SDD size :1.26508e+17 after 1.01889e+23
At refinement iteration 8 (INCLUDED_ONLY) 0/732 variables, 0/789 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 9 (OVERLAPS) 1649/2381 variables, 174/963 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/2381 variables, 1649/2612 constraints. Problems are: Problem set: 2 solved, 9 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,11 properties remain. new max is 32768
SDD size :1.01889e+23 after 5.02959e+31
[2025-05-30 06:04:28] [INFO ] Deduced a trap composed of 20 places in 891 ms of which 94 ms to minimize.
SMT process timed out in 11167ms, After SMT, problems are : Problem set: 2 solved, 9 unsolved
Fused 9 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 144 out of 2430 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2430/2430 places, 3040/3040 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 482 transitions
Trivial Post-agglo rules discarded 482 transitions
Performed 482 trivial Post agglomeration. Transition count delta: 482
Iterating post reduction 0 with 482 rules applied. Total rules applied 482 place count 2430 transition count 2558
Reduce places removed 482 places and 0 transitions.
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 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 1 with 496 rules applied. Total rules applied 978 place count 1948 transition count 2544
Reduce places removed 3 places and 0 transitions.
Performed 34 Post agglomeration using F-continuation condition.Transition count delta: 34
Iterating post reduction 2 with 37 rules applied. Total rules applied 1015 place count 1945 transition count 2510
Reduce places removed 34 places and 0 transitions.
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 3 with 43 rules applied. Total rules applied 1058 place count 1911 transition count 2501
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 1060 place count 1909 transition count 2501
Performed 514 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 514 Pre rules applied. Total rules applied 1060 place count 1909 transition count 1987
Deduced a syphon composed of 514 places in 4 ms
Ensure Unique test removed 44 places
Reduce places removed 558 places and 0 transitions.
Iterating global reduction 5 with 1072 rules applied. Total rules applied 2132 place count 1351 transition count 1987
Discarding 7 places :
Implicit places reduction removed 7 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 25 transitions
Trivial Post-agglo rules discarded 25 transitions
Performed 25 trivial Post agglomeration. Transition count delta: 25
Iterating post reduction 5 with 32 rules applied. Total rules applied 2164 place count 1344 transition count 1962
Reduce places removed 25 places and 0 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Iterating post reduction 6 with 28 rules applied. Total rules applied 2192 place count 1319 transition count 1959
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 7 with 3 rules applied. Total rules applied 2195 place count 1316 transition count 1959
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 8 with 16 Pre rules applied. Total rules applied 2195 place count 1316 transition count 1943
Deduced a syphon composed of 16 places in 11 ms
Ensure Unique test removed 13 places
Reduce places removed 29 places and 0 transitions.
Iterating global reduction 8 with 45 rules applied. Total rules applied 2240 place count 1287 transition count 1943
Performed 12 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 8 with 12 Pre rules applied. Total rules applied 2240 place count 1287 transition count 1931
Deduced a syphon composed of 12 places in 11 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 8 with 24 rules applied. Total rules applied 2264 place count 1275 transition count 1931
Discarding 78 places :
Symmetric choice reduction at 8 with 78 rule applications. Total rules 2342 place count 1197 transition count 1853
Iterating global reduction 8 with 78 rules applied. Total rules applied 2420 place count 1197 transition count 1853
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 2421 place count 1197 transition count 1852
Performed 21 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 9 with 21 Pre rules applied. Total rules applied 2421 place count 1197 transition count 1831
Deduced a syphon composed of 21 places in 10 ms
Ensure Unique test removed 1 places
Reduce places removed 22 places and 0 transitions.
Iterating global reduction 9 with 43 rules applied. Total rules applied 2464 place count 1175 transition count 1831
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 9 with 1 Pre rules applied. Total rules applied 2464 place count 1175 transition count 1830
Deduced a syphon composed of 1 places in 10 ms
Ensure Unique test removed 1 places
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 9 with 3 rules applied. Total rules applied 2467 place count 1173 transition count 1830
Discarding 3 places :
Symmetric choice reduction at 9 with 3 rule applications. Total rules 2470 place count 1170 transition count 1812
Iterating global reduction 9 with 3 rules applied. Total rules applied 2473 place count 1170 transition count 1812
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 9 with 3 Pre rules applied. Total rules applied 2473 place count 1170 transition count 1809
Deduced a syphon composed of 3 places in 10 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 9 with 6 rules applied. Total rules applied 2479 place count 1167 transition count 1809
Performed 127 Post agglomeration using F-continuation condition.Transition count delta: 127
Deduced a syphon composed of 127 places in 7 ms
Ensure Unique test removed 1 places
Reduce places removed 128 places and 0 transitions.
Iterating global reduction 9 with 255 rules applied. Total rules applied 2734 place count 1039 transition count 1682
Discarding 1 places :
Symmetric choice reduction at 9 with 1 rule applications. Total rules 2735 place count 1038 transition count 1681
Ensure Unique test removed 1 places
Iterating global reduction 9 with 2 rules applied. Total rules applied 2737 place count 1037 transition count 1681
Discarding 1 places :
Symmetric choice reduction at 9 with 1 rule applications. Total rules 2738 place count 1036 transition count 1680
Iterating global reduction 9 with 1 rules applied. Total rules applied 2739 place count 1036 transition count 1680
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 9 with 2 rules applied. Total rules applied 2741 place count 1036 transition count 1678
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 10 with 1 rules applied. Total rules applied 2742 place count 1035 transition count 1678
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -9
Deduced a syphon composed of 1 places in 7 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 11 with 2 rules applied. Total rules applied 2744 place count 1034 transition count 1687
Free-agglomeration rule applied 7 times.
Iterating global reduction 11 with 7 rules applied. Total rules applied 2751 place count 1034 transition count 1680
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 11 with 7 rules applied. Total rules applied 2758 place count 1027 transition count 1680
Free-agglomeration rule (complex) applied 7 times.
Iterating global reduction 12 with 7 rules applied. Total rules applied 2765 place count 1027 transition count 1673
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 12 with 7 rules applied. Total rules applied 2772 place count 1020 transition count 1673
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 13 with 1 rules applied. Total rules applied 2773 place count 1019 transition count 1672
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 13 with 2 rules applied. Total rules applied 2775 place count 1017 transition count 1672
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 14 with 2 Pre rules applied. Total rules applied 2775 place count 1017 transition count 1670
Deduced a syphon composed of 2 places in 6 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 14 with 4 rules applied. Total rules applied 2779 place count 1015 transition count 1670
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 3 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 14 with 4 rules applied. Total rules applied 2783 place count 1013 transition count 1668
Applied a total of 2783 rules in 1062 ms. Remains 1013 /2430 variables (removed 1417) and now considering 1668/3040 (removed 1372) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1068 ms. Remains : 1013/2430 places, 1668/3040 transitions.
RANDOM walk for 40000 steps (295 resets) in 573 ms. (69 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (58 resets) in 181 ms. (219 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (52 resets) in 335 ms. (119 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (66 resets) in 228 ms. (174 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40001 steps (64 resets) in 142 ms. (279 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (66 resets) in 176 ms. (226 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40002 steps (63 resets) in 143 ms. (277 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (66 resets) in 120 ms. (330 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (65 resets) in 92 ms. (430 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40001 steps (65 resets) in 126 ms. (314 steps per ms) remains 9/9 properties
Interrupted probabilistic random walk after 181744 steps, run timeout after 3001 ms. (steps per millisecond=60 ) properties seen :0 out of 9
Probabilistic random walk after 181744 steps, saw 55466 distinct states, run finished after 3006 ms. (steps per millisecond=60 ) properties seen :0
// Phase 1: matrix 1668 rows 1013 cols
[2025-05-30 06:04:33] [INFO ] Computed 168 invariants in 32 ms
[2025-05-30 06:04:33] [INFO ] State equation strengthened by 16 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
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) 0/144 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (OVERLAPS) 292/436 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 9 unsolved
SDD proceeding with computation,11 properties remain. new max is 65536
At refinement iteration 2 (INCLUDED_ONLY) 0/436 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (OVERLAPS) 14/450 variables, 7/40 constraints. Problems are: Problem set: 0 solved, 9 unsolved
SDD size :5.02959e+31 after 5.6814e+31
At refinement iteration 4 (INCLUDED_ONLY) 0/450 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (OVERLAPS) 551/1001 variables, 123/163 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1001 variables, 0/163 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (OVERLAPS) 2/1003 variables, 2/165 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1003 variables, 0/165 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 9 (OVERLAPS) 10/1013 variables, 3/168 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1013 variables, 0/168 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 11 (OVERLAPS) 1668/2681 variables, 1013/1181 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/2681 variables, 16/1197 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/2681 variables, 0/1197 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 14 (OVERLAPS) 0/2681 variables, 0/1197 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2681/2681 variables, and 1197 constraints, problems are : Problem set: 0 solved, 9 unsolved in 4941 ms.
Refiners :[Positive P Invariants (semi-flows): 42/42 constraints, Generalized P Invariants (flows): 126/126 constraints, State Equation: 1013/1013 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 9/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 9 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/144 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (OVERLAPS) 292/436 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/436 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (OVERLAPS) 14/450 variables, 7/40 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/450 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (OVERLAPS) 551/1001 variables, 123/163 constraints. Problems are: Problem set: 0 solved, 9 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 06:04:39] [INFO ] Deduced a trap composed of 24 places in 328 ms of which 42 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 06:04:39] [INFO ] Deduced a trap composed of 25 places in 103 ms of which 11 ms to minimize.
Problem ASLink-PT-05b-ReachabilityFireability-2024-04 is UNSAT
FORMULA ASLink-PT-05b-ReachabilityFireability-2024-04 FALSE TECHNIQUES SMT_REFINEMENT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 06:04:40] [INFO ] Deduced a trap composed of 87 places in 404 ms of which 107 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/1001 variables, 3/166 constraints. Problems are: Problem set: 1 solved, 8 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 06:04:40] [INFO ] Deduced a trap composed of 29 places in 357 ms of which 44 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 06:04:41] [INFO ] Deduced a trap composed of 7 places in 300 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 06:04:41] [INFO ] Deduced a trap composed of 22 places in 271 ms of which 35 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/1001 variables, 3/169 constraints. Problems are: Problem set: 1 solved, 8 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 06:04:42] [INFO ] Deduced a trap composed of 7 places in 175 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 06:04:42] [INFO ] Deduced a trap composed of 23 places in 166 ms of which 20 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/1001 variables, 2/171 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1001 variables, 0/171 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 10 (OVERLAPS) 2/1003 variables, 2/173 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1003 variables, 0/173 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 12 (OVERLAPS) 10/1013 variables, 3/176 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1013 variables, 0/176 constraints. Problems are: Problem set: 1 solved, 8 unsolved
Problem ASLink-PT-05b-ReachabilityFireability-2025-02 is UNSAT
FORMULA ASLink-PT-05b-ReachabilityFireability-2025-02 FALSE TECHNIQUES SMT_REFINEMENT
SDD proceeding with computation,11 properties remain. new max is 131072
SDD size :5.6814e+31 after 8.03546e+31
Problem ASLink-PT-05b-ReachabilityFireability-2025-06 is UNSAT
FORMULA ASLink-PT-05b-ReachabilityFireability-2025-06 TRUE TECHNIQUES SMT_REFINEMENT
Problem ASLink-PT-05b-ReachabilityFireability-2025-12 is UNSAT
FORMULA ASLink-PT-05b-ReachabilityFireability-2025-12 FALSE TECHNIQUES SMT_REFINEMENT
Problem ASLink-PT-05b-ReachabilityFireability-2025-14 is UNSAT
FORMULA ASLink-PT-05b-ReachabilityFireability-2025-14 TRUE TECHNIQUES SMT_REFINEMENT
Problem ASLink-PT-05b-ReachabilityFireability-2025-15 is UNSAT
FORMULA ASLink-PT-05b-ReachabilityFireability-2025-15 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 14 (OVERLAPS) 1668/2681 variables, 1013/1189 constraints. Problems are: Problem set: 6 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/2681 variables, 16/1205 constraints. Problems are: Problem set: 6 solved, 3 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/2681 variables, 1/1206 constraints. Problems are: Problem set: 6 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 06:04:53] [INFO ] Deduced a trap along path composed of 20 places in 65 ms of which 3 ms to minimize.
Solver is answering 'unknown', stopping.
SDD proceeding with computation,11 properties remain. new max is 262144
SDD size :8.03546e+31 after 1.38519e+32
After SMT solving in domain Int declared 2681/2681 variables, and 1207 constraints, problems are : Problem set: 6 solved, 3 unsolved in 33482 ms.
Refiners :[Positive P Invariants (semi-flows): 42/42 constraints, Generalized P Invariants (flows): 126/126 constraints, State Equation: 1013/1013 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 4/6 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 38509ms problems are : Problem set: 6 solved, 3 unsolved
Parikh walk visited 0 properties in 13253 ms.
Support contains 77 out of 1013 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1013/1013 places, 1668/1668 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 8 place count 1013 transition count 1660
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 16 place count 1005 transition count 1660
Performed 44 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 44 Pre rules applied. Total rules applied 16 place count 1005 transition count 1616
Deduced a syphon composed of 44 places in 3 ms
Ensure Unique test removed 5 places
Reduce places removed 49 places and 0 transitions.
Iterating global reduction 2 with 93 rules applied. Total rules applied 109 place count 956 transition count 1616
Discarding 1 places :
Implicit places reduction removed 1 places
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 2 with 2 rules applied. Total rules applied 111 place count 955 transition count 1615
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 113 place count 953 transition count 1615
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 4 Pre rules applied. Total rules applied 113 place count 953 transition count 1611
Deduced a syphon composed of 4 places in 2 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 4 with 8 rules applied. Total rules applied 121 place count 949 transition count 1611
Discarding 1 places :
Implicit places reduction removed 1 places
Iterating post reduction 4 with 1 rules applied. Total rules applied 122 place count 948 transition count 1611
Discarding 2 places :
Symmetric choice reduction at 5 with 2 rule applications. Total rules 124 place count 946 transition count 1599
Iterating global reduction 5 with 2 rules applied. Total rules applied 126 place count 946 transition count 1599
Discarding 1 places :
Implicit places reduction removed 1 places
Iterating post reduction 5 with 1 rules applied. Total rules applied 127 place count 945 transition count 1599
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 128 place count 944 transition count 1598
Iterating global reduction 6 with 1 rules applied. Total rules applied 129 place count 944 transition count 1598
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 130 place count 943 transition count 1597
Iterating global reduction 6 with 1 rules applied. Total rules applied 131 place count 943 transition count 1597
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Deduced a syphon composed of 5 places in 2 ms
Ensure Unique test removed 1 places
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 6 with 11 rules applied. Total rules applied 142 place count 937 transition count 1592
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 6 with 2 rules applied. Total rules applied 144 place count 937 transition count 1590
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 7 with 2 rules applied. Total rules applied 146 place count 935 transition count 1590
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 8 with 1 Pre rules applied. Total rules applied 146 place count 935 transition count 1589
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 8 with 2 rules applied. Total rules applied 148 place count 934 transition count 1589
Discarding 1 places :
Implicit places reduction removed 1 places
Iterating post reduction 8 with 1 rules applied. Total rules applied 149 place count 933 transition count 1589
Discarding 1 places :
Symmetric choice reduction at 9 with 1 rule applications. Total rules 150 place count 932 transition count 1588
Iterating global reduction 9 with 1 rules applied. Total rules applied 151 place count 932 transition count 1588
Discarding 1 places :
Symmetric choice reduction at 9 with 1 rule applications. Total rules 152 place count 931 transition count 1587
Iterating global reduction 9 with 1 rules applied. Total rules applied 153 place count 931 transition count 1587
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 9 with 1 rules applied. Total rules applied 154 place count 931 transition count 1586
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 2 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 10 with 4 rules applied. Total rules applied 158 place count 929 transition count 1584
Discarding 1 places :
Symmetric choice reduction at 10 with 1 rule applications. Total rules 159 place count 928 transition count 1583
Iterating global reduction 10 with 1 rules applied. Total rules applied 160 place count 928 transition count 1583
Free-agglomeration rule applied 1 times.
Iterating global reduction 10 with 1 rules applied. Total rules applied 161 place count 928 transition count 1582
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 10 with 1 rules applied. Total rules applied 162 place count 927 transition count 1582
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 11 with 1 rules applied. Total rules applied 163 place count 927 transition count 1581
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 11 with 1 rules applied. Total rules applied 164 place count 926 transition count 1581
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 12 with 1 rules applied. Total rules applied 165 place count 925 transition count 1580
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 12 with 2 rules applied. Total rules applied 167 place count 923 transition count 1580
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 13 with 3 Pre rules applied. Total rules applied 167 place count 923 transition count 1577
Deduced a syphon composed of 3 places in 2 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 13 with 6 rules applied. Total rules applied 173 place count 920 transition count 1577
Discarding 1 places :
Implicit places reduction removed 1 places
Iterating post reduction 13 with 1 rules applied. Total rules applied 174 place count 919 transition count 1577
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 2 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 14 with 4 rules applied. Total rules applied 178 place count 917 transition count 1575
Discarding 1 places :
Symmetric choice reduction at 14 with 1 rule applications. Total rules 179 place count 916 transition count 1574
Iterating global reduction 14 with 1 rules applied. Total rules applied 180 place count 916 transition count 1574
Free-agglomeration rule applied 1 times.
Iterating global reduction 14 with 1 rules applied. Total rules applied 181 place count 916 transition count 1573
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 14 with 1 rules applied. Total rules applied 182 place count 915 transition count 1573
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 15 with 1 rules applied. Total rules applied 183 place count 915 transition count 1573
Applied a total of 183 rules in 710 ms. Remains 915 /1013 variables (removed 98) and now considering 1573/1668 (removed 95) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 710 ms. Remains : 915/1013 places, 1573/1668 transitions.
RANDOM walk for 40000 steps (398 resets) in 255 ms. (156 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (69 resets) in 152 ms. (261 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (84 resets) in 132 ms. (300 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (78 resets) in 126 ms. (314 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 241445 steps, run timeout after 3001 ms. (steps per millisecond=80 ) properties seen :0 out of 3
Probabilistic random walk after 241445 steps, saw 77122 distinct states, run finished after 3001 ms. (steps per millisecond=80 ) properties seen :0
// Phase 1: matrix 1573 rows 915 cols
[2025-05-30 06:05:29] [INFO ] Computed 153 invariants in 13 ms
[2025-05-30 06:05:29] [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) 0/77 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 296/373 variables, 28/28 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/373 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 10/383 variables, 10/38 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/383 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 511/894 variables, 109/147 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/894 variables, 0/147 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 2/896 variables, 2/149 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/896 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 19/915 variables, 4/153 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/915 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 1573/2488 variables, 915/1068 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/2488 variables, 5/1073 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/2488 variables, 0/1073 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (OVERLAPS) 0/2488 variables, 0/1073 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2488/2488 variables, and 1073 constraints, problems are : Problem set: 0 solved, 3 unsolved in 1648 ms.
Refiners :[Positive P Invariants (semi-flows): 40/40 constraints, Generalized P Invariants (flows): 113/113 constraints, State Equation: 915/915 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) 0/77 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 296/373 variables, 28/28 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 06:05:30] [INFO ] Deduced a trap composed of 21 places in 33 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/373 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/373 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 10/383 variables, 10/39 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/383 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 511/894 variables, 109/148 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 06:05:31] [INFO ] Deduced a trap composed of 21 places in 162 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 06:05:31] [INFO ] Deduced a trap composed of 20 places in 155 ms of which 16 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/894 variables, 2/150 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/894 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 2/896 variables, 2/152 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/896 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 19/915 variables, 4/156 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/915 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 1573/2488 variables, 915/1071 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/2488 variables, 5/1076 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/2488 variables, 1/1077 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 06:05:50] [INFO ] Deduced a trap composed of 79 places in 204 ms of which 41 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/2488 variables, 1/1078 constraints. Problems are: Problem set: 0 solved, 3 unsolved
SDD proceeding with computation,11 properties remain. new max is 524288
SDD size :1.38519e+32 after 1.01159e+33
At refinement iteration 17 (INCLUDED_ONLY) 0/2488 variables, 0/1078 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 18 (OVERLAPS) 0/2488 variables, 0/1078 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2488/2488 variables, and 1078 constraints, problems are : Problem set: 0 solved, 3 unsolved in 46443 ms.
Refiners :[Positive P Invariants (semi-flows): 40/40 constraints, Generalized P Invariants (flows): 113/113 constraints, State Equation: 915/915 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 3/1 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 48131ms problems are : Problem set: 0 solved, 3 unsolved
Parikh walk visited 0 properties in 14249 ms.
Support contains 77 out of 915 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 915/915 places, 1573/1573 transitions.
Applied a total of 0 rules in 36 ms. Remains 915 /915 variables (removed 0) and now considering 1573/1573 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36 ms. Remains : 915/915 places, 1573/1573 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 915/915 places, 1573/1573 transitions.
Applied a total of 0 rules in 32 ms. Remains 915 /915 variables (removed 0) and now considering 1573/1573 (removed 0) transitions.
[2025-05-30 06:06:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 06:06:32] [INFO ] Implicit Places using invariants in 737 ms returned [1, 20, 21, 35, 55, 73, 148, 161, 178, 179, 182, 220, 262, 265, 305, 309, 310, 322, 325, 326, 332, 349, 368, 467, 468, 469, 470, 472, 489, 508, 528, 584, 585, 596, 597, 601, 620, 638, 675, 718, 721, 733, 734, 735, 772, 774, 779, 797, 798, 799, 816, 822, 829, 841, 847, 853, 859, 865, 871, 877]
[2025-05-30 06:06:32] [INFO ] Actually due to overlaps returned [772, 735, 35, 55, 182, 332, 349, 489, 620, 779, 178, 325, 469, 472, 596, 601, 733, 797, 179, 326, 470, 597, 734, 774, 798, 1, 20, 309, 310, 468, 584, 585, 718, 73, 220, 322, 368, 467, 638, 799, 847, 865, 877, 21, 161, 508, 528, 721, 816, 822, 829, 841, 853, 859, 871]
Discarding 55 places :
Implicit Place search using SMT only with invariants took 754 ms to find 55 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 860/915 places, 1573/1573 transitions.
Discarding 3 places :
Implicit places reduction removed 3 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 66 transitions
Trivial Post-agglo rules discarded 66 transitions
Performed 66 trivial Post agglomeration. Transition count delta: 66
Iterating post reduction 0 with 69 rules applied. Total rules applied 69 place count 857 transition count 1507
Reduce places removed 66 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Performed 29 Post agglomeration using F-continuation condition.Transition count delta: 29
Iterating post reduction 1 with 96 rules applied. Total rules applied 165 place count 791 transition count 1477
Reduce places removed 29 places and 0 transitions.
Iterating post reduction 2 with 29 rules applied. Total rules applied 194 place count 762 transition count 1477
Performed 28 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 28 Pre rules applied. Total rules applied 194 place count 762 transition count 1449
Deduced a syphon composed of 28 places in 2 ms
Ensure Unique test removed 1 places
Reduce places removed 29 places and 0 transitions.
Iterating global reduction 3 with 57 rules applied. Total rules applied 251 place count 733 transition count 1449
Discarding 3 places :
Implicit places reduction removed 3 places
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 3 with 4 rules applied. Total rules applied 255 place count 730 transition count 1448
Reduce places removed 1 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 4 with 2 rules applied. Total rules applied 257 place count 729 transition count 1447
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 258 place count 728 transition count 1447
Discarding 9 places :
Symmetric choice reduction at 6 with 9 rule applications. Total rules 267 place count 719 transition count 1438
Iterating global reduction 6 with 9 rules applied. Total rules applied 276 place count 719 transition count 1438
Discarding 2 places :
Symmetric choice reduction at 6 with 2 rule applications. Total rules 278 place count 717 transition count 1434
Iterating global reduction 6 with 2 rules applied. Total rules applied 280 place count 717 transition count 1434
Performed 49 Post agglomeration using F-continuation condition.Transition count delta: 49
Deduced a syphon composed of 49 places in 1 ms
Reduce places removed 49 places and 0 transitions.
Iterating global reduction 6 with 98 rules applied. Total rules applied 378 place count 668 transition count 1385
Discarding 2 places :
Symmetric choice reduction at 6 with 2 rule applications. Total rules 380 place count 666 transition count 1383
Iterating global reduction 6 with 2 rules applied. Total rules applied 382 place count 666 transition count 1383
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 6 with 2 rules applied. Total rules applied 384 place count 666 transition count 1381
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 7 with 2 rules applied. Total rules applied 386 place count 665 transition count 1382
Free-agglomeration rule applied 2 times.
Iterating global reduction 7 with 2 rules applied. Total rules applied 388 place count 665 transition count 1380
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 7 with 2 rules applied. Total rules applied 390 place count 663 transition count 1380
Free-agglomeration rule (complex) applied 9 times.
Iterating global reduction 8 with 9 rules applied. Total rules applied 399 place count 663 transition count 1371
Reduce places removed 9 places and 0 transitions.
Iterating post reduction 8 with 9 rules applied. Total rules applied 408 place count 654 transition count 1371
Partial Free-agglomeration rule applied 13 times.
Drop transitions (Partial Free agglomeration) removed 13 transitions
Iterating global reduction 9 with 13 rules applied. Total rules applied 421 place count 654 transition count 1371
Partial Post-agglomeration rule applied 3 times.
Drop transitions (Partial Post agglomeration) removed 3 transitions
Iterating global reduction 9 with 3 rules applied. Total rules applied 424 place count 654 transition count 1371
Applied a total of 424 rules in 294 ms. Remains 654 /860 variables (removed 206) and now considering 1371/1573 (removed 202) transitions.
// Phase 1: matrix 1371 rows 654 cols
[2025-05-30 06:06:32] [INFO ] Computed 91 invariants in 10 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 06:06:33] [INFO ] Implicit Places using invariants in 432 ms returned [100, 106, 130, 131, 196, 206, 209, 221, 229, 236, 307, 330, 336, 341, 343, 348, 349, 419, 427, 430, 432, 527, 530, 532, 636, 639, 643, 651]
[2025-05-30 06:06:33] [INFO ] Actually due to overlaps returned [130, 348, 131, 349, 343, 100, 106, 432, 527, 532, 636, 643, 651, 196, 206, 221, 229, 236, 307, 330, 336, 341, 419, 427, 639]
Discarding 25 places :
Implicit Place search using SMT only with invariants took 434 ms to find 25 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 629/915 places, 1371/1573 transitions.
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 629 transition count 1367
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 8 place count 625 transition count 1367
Discarding 13 places :
Symmetric choice reduction at 2 with 13 rule applications. Total rules 21 place count 612 transition count 1352
Iterating global reduction 2 with 13 rules applied. Total rules applied 34 place count 612 transition count 1352
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 36 place count 612 transition count 1350
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 40 place count 608 transition count 1346
Iterating global reduction 3 with 4 rules applied. Total rules applied 44 place count 608 transition count 1346
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 45 place count 607 transition count 1345
Iterating global reduction 3 with 1 rules applied. Total rules applied 46 place count 607 transition count 1345
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 47 place count 606 transition count 1344
Iterating global reduction 3 with 1 rules applied. Total rules applied 48 place count 606 transition count 1344
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 49 place count 605 transition count 1343
Iterating global reduction 3 with 1 rules applied. Total rules applied 50 place count 605 transition count 1343
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 2 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 3 with 12 rules applied. Total rules applied 62 place count 599 transition count 1337
Free-agglomeration rule applied 10 times.
Iterating global reduction 3 with 10 rules applied. Total rules applied 72 place count 599 transition count 1327
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 3 with 10 rules applied. Total rules applied 82 place count 589 transition count 1327
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 4 with 1 rules applied. Total rules applied 83 place count 589 transition count 1326
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 84 place count 588 transition count 1326
Applied a total of 84 rules in 125 ms. Remains 588 /629 variables (removed 41) and now considering 1326/1371 (removed 45) transitions.
// Phase 1: matrix 1326 rows 588 cols
[2025-05-30 06:06:33] [INFO ] Computed 66 invariants in 19 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 06:06:33] [INFO ] Implicit Places using invariants in 365 ms returned [195]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 367 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 3 : 587/915 places, 1326/1573 transitions.
Applied a total of 0 rules in 18 ms. Remains 587 /587 variables (removed 0) and now considering 1326/1326 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 4 iterations and 2027 ms. Remains : 587/915 places, 1326/1573 transitions.
RANDOM walk for 40000 steps (460 resets) in 241 ms. (165 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (84 resets) in 162 ms. (245 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (127 resets) in 88 ms. (449 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (117 resets) in 83 ms. (476 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 351682 steps, run timeout after 3001 ms. (steps per millisecond=117 ) properties seen :0 out of 3
Probabilistic random walk after 351682 steps, saw 93165 distinct states, run finished after 3001 ms. (steps per millisecond=117 ) properties seen :0
// Phase 1: matrix 1326 rows 587 cols
[2025-05-30 06:06:36] [INFO ] Computed 65 invariants in 10 ms
[2025-05-30 06:06:36] [INFO ] State equation strengthened by 2 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) 0/77 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 114/191 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/191 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 394/585 variables, 49/64 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/585 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 2/587 variables, 1/65 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/587 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 1326/1913 variables, 587/652 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1913 variables, 2/654 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1913 variables, 0/654 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 0/1913 variables, 0/654 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1913/1913 variables, and 654 constraints, problems are : Problem set: 0 solved, 3 unsolved in 1014 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 50/50 constraints, State Equation: 587/587 constraints, ReadFeed: 2/2 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) 0/77 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 114/191 variables, 15/15 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 06:06:37] [INFO ] Deduced a trap composed of 7 places in 30 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/191 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/191 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 394/585 variables, 49/65 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 06:06:38] [INFO ] Deduced a trap composed of 9 places in 183 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 06:06:38] [INFO ] Deduced a trap composed of 16 places in 199 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 06:06:38] [INFO ] Deduced a trap composed of 27 places in 148 ms of which 17 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/585 variables, 3/68 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/585 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 2/587 variables, 1/69 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/587 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 1326/1913 variables, 587/656 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1913 variables, 2/658 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1913 variables, 1/659 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 06:06:45] [INFO ] Deduced a trap composed of 19 places in 205 ms of which 13 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/1913 variables, 1/660 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1913 variables, 0/660 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 06:07:14] [INFO ] Deduced a trap composed of 19 places in 156 ms of which 16 ms to minimize.
At refinement iteration 14 (OVERLAPS) 0/1913 variables, 1/661 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 06:07:37] [INFO ] Deduced a trap composed of 38 places in 120 ms of which 14 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/1913 variables, 1/662 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 06:07:38] [INFO ] Deduced a trap composed of 35 places in 135 ms of which 16 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/1913 variables, 1/663 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 06:07:38] [INFO ] Deduced a trap along path composed of 39 places in 63 ms of which 2 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/1913 variables, 1/664 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 06:07:41] [INFO ] Deduced a trap composed of 59 places in 283 ms of which 45 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/1913 variables, 1/665 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1913 variables, 0/665 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 20 (OVERLAPS) 0/1913 variables, 0/665 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1913/1913 variables, and 665 constraints, problems are : Problem set: 0 solved, 3 unsolved in 64736 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 50/50 constraints, State Equation: 587/587 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 3/1 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 65787ms problems are : Problem set: 0 solved, 3 unsolved
SDD proceeding with computation,11 properties remain. new max is 1048576
SDD size :1.01159e+33 after 4.324e+33
Parikh walk visited 0 properties in 26437 ms.
Support contains 77 out of 587 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 587/587 places, 1326/1326 transitions.
Applied a total of 0 rules in 15 ms. Remains 587 /587 variables (removed 0) and now considering 1326/1326 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15 ms. Remains : 587/587 places, 1326/1326 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 587/587 places, 1326/1326 transitions.
Applied a total of 0 rules in 16 ms. Remains 587 /587 variables (removed 0) and now considering 1326/1326 (removed 0) transitions.
[2025-05-30 06:08:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 06:08:09] [INFO ] Implicit Places using invariants in 338 ms returned []
[2025-05-30 06:08:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 06:08:09] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-05-30 06:08:10] [INFO ] Implicit Places using invariants and state equation in 1125 ms returned []
Implicit Place search using SMT with State Equation took 1465 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-30 06:08:10] [INFO ] Redundant transitions in 87 ms returned []
Running 1302 sub problems to find dead transitions.
[2025-05-30 06:08:10] [INFO ] Invariant cache hit.
[2025-05-30 06:08:10] [INFO ] State equation strengthened by 2 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/581 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1302 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/581 variables, 36/39 constraints. Problems are: Problem set: 0 solved, 1302 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 581/1913 variables, and 39 constraints, problems are : Problem set: 0 solved, 1302 unsolved in 30044 ms.
Refiners :[Positive P Invariants (semi-flows): 3/15 constraints, Generalized P Invariants (flows): 36/50 constraints, State Equation: 0/587 constraints, ReadFeed: 0/2 constraints, PredecessorRefiner: 1302/1302 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1302 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/581 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1302 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/581 variables, 36/39 constraints. Problems are: Problem set: 0 solved, 1302 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/581 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 1302 unsolved
At refinement iteration 3 (OVERLAPS) 4/585 variables, 12/51 constraints. Problems are: Problem set: 0 solved, 1302 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/585 variables, 9/60 constraints. Problems are: Problem set: 0 solved, 1302 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 06:09:07] [INFO ] Deduced a trap composed of 37 places in 632 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 06:09:07] [INFO ] Deduced a trap composed of 36 places in 155 ms of which 20 ms to minimize.
Problem TDEAD3 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 06:09:08] [INFO ] Deduced a trap composed of 6 places in 139 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 06:09:08] [INFO ] Deduced a trap composed of 35 places in 97 ms of which 12 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 585/1913 variables, and 64 constraints, problems are : Problem set: 1 solved, 1301 unsolved in 30026 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 45/50 constraints, State Equation: 0/587 constraints, ReadFeed: 0/2 constraints, PredecessorRefiner: 0/1302 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60525ms problems are : Problem set: 1 solved, 1301 unsolved
Search for dead transitions found 1 dead transitions in 60532ms
Found 1 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 1 transitions
Dead transitions reduction (with SMT) removed 1 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 587/587 places, 1325/1326 transitions.
Graph (complete) has 3124 edges and 587 vertex of which 586 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.2 ms
Discarding 1 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 48 ms. Remains 586 /587 variables (removed 1) and now considering 1325/1325 (removed 0) transitions.
// Phase 1: matrix 1325 rows 586 cols
[2025-05-30 06:09:11] [INFO ] Computed 64 invariants in 17 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 06:09:11] [INFO ] Implicit Places using invariants in 471 ms returned []
[2025-05-30 06:09:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 06:09:12] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-05-30 06:09:12] [INFO ] Implicit Places using invariants and state equation in 1281 ms returned []
Implicit Place search using SMT with State Equation took 1754 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 586/587 places, 1325/1326 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 63917 ms. Remains : 586/587 places, 1325/1326 transitions.
RANDOM walk for 40000 steps (443 resets) in 168 ms. (236 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (79 resets) in 124 ms. (320 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (114 resets) in 80 ms. (493 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (102 resets) in 99 ms. (400 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 372153 steps, run timeout after 3001 ms. (steps per millisecond=124 ) properties seen :0 out of 3
Probabilistic random walk after 372153 steps, saw 99496 distinct states, run finished after 3001 ms. (steps per millisecond=124 ) properties seen :0
[2025-05-30 06:09:16] [INFO ] Invariant cache hit.
[2025-05-30 06:09:16] [INFO ] State equation strengthened by 2 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) 0/77 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 114/191 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/191 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/191 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 393/584 variables, 48/63 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/584 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 2/586 variables, 1/64 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/586 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 1325/1911 variables, 586/650 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1911 variables, 2/652 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1911 variables, 0/652 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 0/1911 variables, 0/652 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1911/1911 variables, and 652 constraints, problems are : Problem set: 0 solved, 3 unsolved in 1142 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 50/50 constraints, State Equation: 586/586 constraints, ReadFeed: 2/2 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) 0/77 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 114/191 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/191 variables, 1/15 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 06:09:17] [INFO ] Deduced a trap composed of 7 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 06:09:17] [INFO ] Deduced a trap composed of 19 places in 37 ms of which 3 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/191 variables, 2/17 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 06:09:17] [INFO ] Deduced a trap composed of 20 places in 35 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/191 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/191 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 393/584 variables, 48/66 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 06:09:17] [INFO ] Deduced a trap composed of 35 places in 115 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 06:09:17] [INFO ] Deduced a trap composed of 56 places in 120 ms of which 20 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/584 variables, 2/68 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/584 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 2/586 variables, 1/69 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/586 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 1325/1911 variables, 586/655 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1911 variables, 2/657 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1911 variables, 1/658 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1911 variables, 0/658 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 06:09:53] [INFO ] Deduced a trap along path composed of 15 places in 34 ms of which 1 ms to minimize.
At refinement iteration 15 (OVERLAPS) 0/1911 variables, 1/659 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1911 variables, 0/659 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (OVERLAPS) 0/1911 variables, 0/659 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1911/1911 variables, and 659 constraints, problems are : Problem set: 0 solved, 3 unsolved in 38099 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 50/50 constraints, State Equation: 586/586 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 3/1 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 39256ms problems are : Problem set: 0 solved, 3 unsolved
Parikh walk visited 0 properties in 29779 ms.
Support contains 77 out of 586 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 586/586 places, 1325/1325 transitions.
Applied a total of 0 rules in 17 ms. Remains 586 /586 variables (removed 0) and now considering 1325/1325 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17 ms. Remains : 586/586 places, 1325/1325 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 586/586 places, 1325/1325 transitions.
Applied a total of 0 rules in 16 ms. Remains 586 /586 variables (removed 0) and now considering 1325/1325 (removed 0) transitions.
[2025-05-30 06:10:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 06:10:25] [INFO ] Implicit Places using invariants in 318 ms returned []
[2025-05-30 06:10:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 06:10:25] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-05-30 06:10:26] [INFO ] Implicit Places using invariants and state equation in 1210 ms returned []
Implicit Place search using SMT with State Equation took 1529 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-30 06:10:26] [INFO ] Redundant transitions in 24 ms returned []
Running 1301 sub problems to find dead transitions.
[2025-05-30 06:10:26] [INFO ] Invariant cache hit.
[2025-05-30 06:10:26] [INFO ] State equation strengthened by 2 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/580 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1301 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/580 variables, 38/41 constraints. Problems are: Problem set: 0 solved, 1301 unsolved
SDD proceeding with computation,11 properties remain. new max is 2097152
SDD size :4.324e+33 after 1.1123e+34
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 580/1911 variables, and 41 constraints, problems are : Problem set: 0 solved, 1301 unsolved in 30028 ms.
Refiners :[Positive P Invariants (semi-flows): 3/14 constraints, Generalized P Invariants (flows): 38/50 constraints, State Equation: 0/586 constraints, ReadFeed: 0/2 constraints, PredecessorRefiner: 1301/1301 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1301 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/580 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1301 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/580 variables, 38/41 constraints. Problems are: Problem set: 0 solved, 1301 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/580 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 1301 unsolved
At refinement iteration 3 (OVERLAPS) 4/584 variables, 11/52 constraints. Problems are: Problem set: 0 solved, 1301 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/584 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 1301 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 06:11:23] [INFO ] Deduced a trap composed of 19 places in 50 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 06:11:23] [INFO ] Deduced a trap composed of 6 places in 124 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 06:11:23] [INFO ] Deduced a trap composed of 8 places in 94 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 06:11:23] [INFO ] Deduced a trap composed of 35 places in 87 ms of which 11 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 584/1911 variables, and 63 constraints, problems are : Problem set: 0 solved, 1301 unsolved in 30030 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 45/50 constraints, State Equation: 0/586 constraints, ReadFeed: 0/2 constraints, PredecessorRefiner: 0/1301 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60481ms problems are : Problem set: 0 solved, 1301 unsolved
Search for dead transitions found 0 dead transitions in 60484ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 62068 ms. Remains : 586/586 places, 1325/1325 transitions.
Attempting over-approximation, by ignoring read arcs.
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 586 transition count 1324
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 585 transition count 1324
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 584 transition count 1323
Applied a total of 4 rules in 32 ms. Remains 584 /586 variables (removed 2) and now considering 1323/1325 (removed 2) transitions.
Running SMT prover for 3 properties.
// Phase 1: matrix 1323 rows 584 cols
[2025-05-30 06:11:27] [INFO ] Computed 64 invariants in 18 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-30 06:11:27] [INFO ] After 131ms 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 06:11:27] [INFO ] [Nat]Absence check using 12 positive place invariants in 4 ms returned sat
[2025-05-30 06:11:27] [INFO ] [Nat]Absence check using 12 positive and 52 generalized place invariants in 27 ms returned sat
[2025-05-30 06:11:31] [INFO ] After 4179ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
TRAPS : Iteration 0
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 06:11:32] [INFO ] Deduced a trap composed of 19 places in 173 ms of which 14 ms to minimize.
[2025-05-30 06:11:32] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 275 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 06:11:37] [INFO ] Deduced a trap composed of 38 places in 154 ms of which 14 ms to minimize.
[2025-05-30 06:11:37] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 265 ms
TRAPS : Iteration 1
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 06:11:37] [INFO ] Deduced a trap composed of 35 places in 137 ms of which 16 ms to minimize.
[2025-05-30 06:11:37] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 231 ms
TRAPS : Iteration 2
[2025-05-30 06:11:45] [INFO ] After 17982ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
[2025-05-30 06:11:55] [INFO ] After 27921ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
[2025-05-30 06:11:55] [INFO ] Flatten gal took : 62 ms
[2025-05-30 06:11:55] [INFO ] Flatten gal took : 52 ms
[2025-05-30 06:11:55] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5492429157712707369.gal : 24 ms
[2025-05-30 06:11:55] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1819761987446399729.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/ReachabilityCardinality5492429157712707369.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1819761987446399729.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/ReachabilityCardinality1819761987446399729.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :2 after 4
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :4 after 10
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :10 after 12
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :12 after 120
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :120 after 720
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :720 after 80640
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :80640 after 1.41237e+07
Detected timeout of ITS tools.
[2025-05-30 06:12:10] [INFO ] Flatten gal took : 46 ms
[2025-05-30 06:12:10] [INFO ] Applying decomposition
[2025-05-30 06:12:10] [INFO ] Flatten gal took : 48 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/graph10674994292607123180.txt' '-o' '/tmp/graph10674994292607123180.bin' '-w' '/tmp/graph10674994292607123180.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph10674994292607123180.bin' '-l' '-1' '-v' '-w' '/tmp/graph10674994292607123180.weights' '-q' '0' '-e' '0.001'
[2025-05-30 06:12:11] [INFO ] Decomposing Gal with order
[2025-05-30 06:12:11] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-05-30 06:12:11] [INFO ] Removed a total of 2443 redundant transitions.
[2025-05-30 06:12:11] [INFO ] Flatten gal took : 139 ms
[2025-05-30 06:12:11] [INFO ] Fuse similar labels procedure discarded/fused a total of 61 labels/synchronizations in 36 ms.
[2025-05-30 06:12:11] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4341062535475492467.gal : 15 ms
[2025-05-30 06:12:11] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12448537498305832684.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/ReachabilityCardinality4341062535475492467.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12448537498305832684.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 ...308
Loading property file /tmp/ReachabilityCardinality12448537498305832684.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 6
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :6 after 15
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :15 after 1080
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :1080 after 1440
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :1440 after 80640
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :7.08745e+07 after 7.14332e+07
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :7.14332e+07 after 8.3823e+07
Reachability property ASLink-PT-05b-ReachabilityFireability-2025-09 is true.
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 59130 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2025-05-30 06:12:26] [INFO ] Flatten gal took : 72 ms
[2025-05-30 06:12:26] [INFO ] Applying decomposition
[2025-05-30 06:12:26] [INFO ] Flatten gal took : 85 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/graph17413638630910138892.txt' '-o' '/tmp/graph17413638630910138892.bin' '-w' '/tmp/graph17413638630910138892.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph17413638630910138892.bin' '-l' '-1' '-v' '-w' '/tmp/graph17413638630910138892.weights' '-q' '0' '-e' '0.001'
[2025-05-30 06:12:27] [INFO ] Decomposing Gal with order
[2025-05-30 06:12:27] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-05-30 06:12:27] [INFO ] Removed a total of 2245 redundant transitions.
[2025-05-30 06:12:27] [INFO ] Flatten gal took : 150 ms
[2025-05-30 06:12:27] [INFO ] Fuse similar labels procedure discarded/fused a total of 35 labels/synchronizations in 51 ms.
[2025-05-30 06:12:27] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10789116157502838584.gal : 20 ms
[2025-05-30 06:12:27] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16595874995713044945.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/ReachabilityCardinality10789116157502838584.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16595874995713044945.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/ReachabilityCardinality16595874995713044945.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 149
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :149 after 5.64918e+22
Detected timeout of ITS tools.
[2025-05-30 06:42:27] [INFO ] Flatten gal took : 36 ms
Using solver Z3 to compute partial order matrices.
Built C files in :
/tmp/ltsmin5707671599363855303
[2025-05-30 06:42:27] [INFO ] Applying decomposition
[2025-05-30 06:42:27] [INFO ] Computing symmetric may disable matrix : 1325 transitions.
[2025-05-30 06:42:27] [INFO ] Computation of Complete disable matrix. took 5 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-30 06:42:27] [INFO ] Computing symmetric may enable matrix : 1325 transitions.
[2025-05-30 06:42:27] [INFO ] Flatten gal took : 43 ms
[2025-05-30 06:42:27] [INFO ] Computation of Complete enable matrix. took 7 ms. Total solver calls (SAT/UNSAT): 0(0/0)
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/graph9703756901627389443.txt' '-o' '/tmp/graph9703756901627389443.bin' '-w' '/tmp/graph9703756901627389443.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph9703756901627389443.bin' '-l' '-1' '-v' '-w' '/tmp/graph9703756901627389443.weights' '-q' '0' '-e' '0.001'
[2025-05-30 06:42:27] [INFO ] Decomposing Gal with order
[2025-05-30 06:42:27] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-05-30 06:42:27] [INFO ] Removed a total of 2440 redundant transitions.
[2025-05-30 06:42:27] [INFO ] Flatten gal took : 97 ms
[2025-05-30 06:42:27] [INFO ] Fuse similar labels procedure discarded/fused a total of 73 labels/synchronizations in 10 ms.
[2025-05-30 06:42:27] [INFO ] Time to serialize gal into /tmp/ReachabilityFireability904608800094649343.gal : 8 ms
[2025-05-30 06:42:27] [INFO ] Time to serialize properties into /tmp/ReachabilityFireability9539749199960447706.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/ReachabilityFireability904608800094649343.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityFireability9539749199960447706.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 ...306
Loading property file /tmp/ReachabilityFireability9539749199960447706.prop.
[2025-05-30 06:42:28] [INFO ] Computing Do-Not-Accords matrix : 1325 transitions.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :5 after 6
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :6 after 3360
[2025-05-30 06:42:28] [INFO ] Computation of Completed DNA matrix. took 52 ms. Total solver calls (SAT/UNSAT): 0(0/0)
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :3360 after 6720
[2025-05-30 06:42:28] [INFO ] Built C files in 494ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin5707671599363855303
Running compilation step : cd /tmp/ltsmin5707671599363855303;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '240' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :6720 after 1.35959e+07
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :7.41698e+07 after 1.85973e+08
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :1.85973e+08 after 7.39244e+08
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :7.39244e+08 after 3.33213e+09
Reachability property ASLink-PT-05b-ReachabilityFireability-2025-09 is true.
FORMULA ASLink-PT-05b-ReachabilityFireability-2025-09 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING USE_NUPN
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :3.33213e+09 after 3.33128e+10
Compilation finished in 4774 ms.
Running link step : cd /tmp/ltsmin5707671599363855303;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 3123 ms.
Running LTSmin : cd /tmp/ltsmin5707671599363855303;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '-i' 'ASLinkPT05bReachabilityFireability202503==true'
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :2.40652e+11 after 2.65544e+11
WARNING : LTSmin timed out (>400 s) on command cd /tmp/ltsmin5707671599363855303;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '-i' 'ASLinkPT05bReachabilityFireability202503==true'
Running LTSmin : cd /tmp/ltsmin5707671599363855303;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '-i' 'ASLinkPT05bReachabilityFireability202310==true'
WARNING : LTSmin timed out (>400 s) on command cd /tmp/ltsmin5707671599363855303;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '-i' 'ASLinkPT05bReachabilityFireability202310==true'
Retrying LTSmin with larger timeout 9600 s
Running LTSmin : cd /tmp/ltsmin5707671599363855303;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '-i' 'ASLinkPT05bReachabilityFireability202503==true'

BK_TIME_CONFINEMENT_REACHED

--------------------
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="ASLink-PT-05b"
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 ASLink-PT-05b, 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 r002-tall-174853729100359"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ASLink-PT-05b.tgz
mv ASLink-PT-05b 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 ;