Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r091-smll-174860108200347.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is FlexibleBarrier-PT-22b, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r091-smll-174860108200347
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.2M
-rw-r--r-- 1 mcc users 8.0K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 86K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.8K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 38K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.8K 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 2.3K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 10K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 100K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.4K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 81K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 4 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 1.8M 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

FORMULA_NAME QuasiLiveness

=== Now, execution of the tool begins

BK_START 1748655578297

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=FlexibleBarrier-PT-22b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2025-05-31 01:39:40] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2025-05-31 01:39:40] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-31 01:39:41] [INFO ] Load time of PNML (sax parser for PT used): 567 ms
[2025-05-31 01:39:41] [INFO ] Transformed 6478 places.
[2025-05-31 01:39:41] [INFO ] Transformed 7469 transitions.
[2025-05-31 01:39:41] [INFO ] Found NUPN structural information;
[2025-05-31 01:39:41] [INFO ] Parsed PT model containing 6478 places and 7469 transitions and 18797 arcs in 801 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 6478/6478 places, 7469/7469 transitions.
Graph (trivial) has 6410 edges and 6478 vertex of which 134 / 6478 are part of one of the 22 SCC in 38 ms
Free SCC test removed 112 places
Ensure Unique test removed 113 transitions
Reduce isomorphic transitions removed 113 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1571 transitions
Trivial Post-agglo rules discarded 1571 transitions
Performed 1571 trivial Post agglomeration. Transition count delta: 1571
Iterating post reduction 0 with 1571 rules applied. Total rules applied 1572 place count 6366 transition count 5785
Reduce places removed 1571 places and 0 transitions.
Iterating post reduction 1 with 1571 rules applied. Total rules applied 3143 place count 4795 transition count 5785
Performed 462 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 462 Pre rules applied. Total rules applied 3143 place count 4795 transition count 5323
Deduced a syphon composed of 462 places in 31 ms
Reduce places removed 462 places and 0 transitions.
Iterating global reduction 2 with 924 rules applied. Total rules applied 4067 place count 4333 transition count 5323
Performed 2831 Post agglomeration using F-continuation condition.Transition count delta: 2831
Deduced a syphon composed of 2831 places in 5 ms
Reduce places removed 2831 places and 0 transitions.
Iterating global reduction 2 with 5662 rules applied. Total rules applied 9729 place count 1502 transition count 2492
Applied a total of 9729 rules in 1327 ms. Remains 1502 /6478 variables (removed 4976) and now considering 2492/7469 (removed 4977) transitions.
[2025-05-31 01:39:42] [INFO ] Flow matrix only has 2427 transitions (discarded 65 similar events)
// Phase 1: matrix 2427 rows 1502 cols
[2025-05-31 01:39:42] [INFO ] Computed 24 invariants in 173 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 01:39:47] [INFO ] Implicit Places using invariants in 4430 ms returned []
[2025-05-31 01:39:47] [INFO ] Flow matrix only has 2427 transitions (discarded 65 similar events)
[2025-05-31 01:39:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 01:39:48] [INFO ] State equation strengthened by 133 read => feed constraints.
[2025-05-31 01:39:56] [INFO ] Implicit Places using invariants and state equation in 9325 ms returned []
Implicit Place search using SMT with State Equation took 13813 ms to find 0 implicit places.
Running 2491 sub problems to find dead transitions.
[2025-05-31 01:39:56] [INFO ] Flow matrix only has 2427 transitions (discarded 65 similar events)
[2025-05-31 01:39:56] [INFO ] Invariant cache hit.
[2025-05-31 01:39:56] [INFO ] State equation strengthened by 133 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
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Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
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Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
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Excessive predecessor constraint size, skipping predecessor.
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Excessive predecessor constraint size, skipping predecessor.
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Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
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Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
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Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
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Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
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Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
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Excessive predecessor constraint size, skipping predecessor.
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Excessive predecessor constraint size, skipping predecessor.
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Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
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Excessive predecessor constraint size, skipping predecessor.
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Excessive predecessor constraint size, skipping predecessor.
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Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
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Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
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Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
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Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1501 variables, 1501/1501 constraints. Problems are: Problem set: 0 solved, 2491 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1501/3929 variables, and 1501 constraints, problems are : Problem set: 0 solved, 2491 unsolved in 30130 ms.
Refiners :[Domain max(s): 1501/1502 constraints, Positive P Invariants (semi-flows): 0/24 constraints, State Equation: 0/1502 constraints, ReadFeed: 0/133 constraints, PredecessorRefiner: 2491/1984 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2491 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1501 variables, 1501/1501 constraints. Problems are: Problem set: 0 solved, 2491 unsolved
Error getting values : (error "ParserException while parsing response: ((s1 1)
(s2 1)
(s3 1)
(s4 1)
(s5 1)
(s6 1)
(s7 1)
(s8 1)
(s9 1)
(s10 1)
(s11 1)
(s12 1)
(s13 1)
(s14 1)
(s15 1)
(s16 1)
(s17 1)
(s18 1)
(s19 1)
(s20 1)
(s21 1)
(s22 1)
(s23 1)
(s24 1)
(s25 1)
(s26 1)
(s27 1)
(s28 1)
(s29 1)
(s30 1)
(s31 1)
(s32 1)
(s33 1)
(s34 1)
(s35 1)
(s36 1)
(s37 1)
(s38 1)
(s39 1)
(s40 1)
(s41 1)
(s42 1)
(s43 1)
(s44 1)
(s45 1)
(s46 1)
(s47 1)
(s48 1)
(s49 1)
(s50 1)
(s51 1)
(s52 1)
(s53 1)
(s54 1)
(s55 1)
(s56 1)
(s57 1)
(s58 1)
(s59 1)
(s60 1)
(s61 1)
(s62 1)
(s63 1)
(s64 1)
(s65 1)
(s66 1)
(s67 1)
(s68 1)
(s69 1)
(s70 1)
(s71 1)
(s72 1)
(s73 1)
(s74 1)
(s75 1)
(s76 1)
(s77 1)
(s78 1)
(s79 1)
(s80 1)
(s81 1)
(s82 1)
(s83 1)
(s84 1)
(s85 1)
(s86 1)
(s87 1)
(s88 1)
(s89 1)
(s90 1)
(s91 1)
(s92 1)
(s93 1)
(s94 1)
(s95 1)
(s96 1)
(s97 1)
(s98 1)
(s99 1)
(s100 1)
(s101 1)
(s102 1)
(s103 1)
(s104 1)
(s105 1)
(s106 1)
(s107 1)
(s108 1)
(s109 1)
(s110 1)
(s111 1)
(s112 1)
(s113 1)
(s114 1)
(s115 1)
(s116 1)
(s117 1)
(s118 1)
(s119 1)
(s120 1)
(s121 1)
(s122 1)
(s123 1)
(s124 1)
(s125 1)
(s126 1)
(s127 1)
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(s454 1)
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(s460 1)
(s461 1)
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(s474 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1501/3929 variables, and 1501 constraints, problems are : Problem set: 0 solved, 2491 unsolved in 30098 ms.
Refiners :[Domain max(s): 1501/1502 constraints, Positive P Invariants (semi-flows): 0/24 constraints, State Equation: 0/1502 constraints, ReadFeed: 0/133 constraints, PredecessorRefiner: 507/1984 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 64298ms problems are : Problem set: 0 solved, 2491 unsolved
Search for dead transitions found 0 dead transitions in 64350ms
Starting structural reductions in LIVENESS mode, iteration 1 : 1502/6478 places, 2492/7469 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 79541 ms. Remains : 1502/6478 places, 2492/7469 transitions.
Discarding 1455 transitions out of 2492. Remains 1037
Initial state reduction rules removed 1 formulas.
[2025-05-31 01:41:02] [INFO ] Flatten gal took : 779 ms
[2025-05-31 01:41:02] [INFO ] Flatten gal took : 415 ms
[2025-05-31 01:41:03] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5897519578269948780.gal : 184 ms
[2025-05-31 01:41:03] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10680865839435556791.prop : 40 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/ReachabilityCardinality5897519578269948780.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10680865839435556791.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality10680865839435556791.prop.
RANDOM walk for 40000 steps (1454 resets) in 12084 ms. (3 steps per ms) remains 946/1036 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 946/946 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 946/946 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 946/946 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 946/946 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 946/946 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 946/946 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 946/946 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 946/946 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 946/946 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 946/946 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 946/946 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 946/946 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 946/946 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 946/946 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 946/946 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 946/946 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 946/946 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 946/946 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 946/946 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 946/946 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 946/946 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 946/946 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 946/946 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 946/946 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 946/946 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 946/946 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 946/946 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 946/946 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 946/946 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 946/946 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 946/946 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 946/946 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 946/946 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 946/946 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 946/946 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 946/946 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 946/946 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 946/946 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 946/946 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 946/946 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 946/946 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 946/946 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 946/946 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 946/946 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 946/946 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 946/946 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 946/946 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 946/946 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 946/946 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 946/946 properties
Reachability property qltransition_2292 is true.
Reachability property qltransition_2291 is true.
Reachability property qltransition_2290 is true.
Reachability property qltransition_2289 is true.
Reachability property qltransition_2288 is true.
Reachability property qltransition_2287 is true.
Reachability property qltransition_2286 is true.
Reachability property qltransition_2285 is true.
Reachability property qltransition_2284 is true.
Reachability property qltransition_2283 is true.
Reachability property qltransition_2282 is true.
Reachability property qltransition_2281 is true.
Reachability property qltransition_2280 is true.
Reachability property qltransition_2279 is true.
Reachability property qltransition_2278 is true.
Reachability property qltransition_2277 is true.
Reachability property qltransition_2276 is true.
Reachability property qltransition_2275 is true.
Reachability property qltransition_2274 is true.
Reachability property qltransition_2273 is true.
Reachability property qltransition_2272 is true.
Reachability property qltransition_2271 is true.
Probabilistic random walk after 30001 steps, saw 29943 distinct states, run finished after 2949 ms. (steps per millisecond=10 ) properties seen :0
[2025-05-31 01:41:07] [INFO ] Flow matrix only has 2427 transitions (discarded 65 similar events)
[2025-05-31 01:41:07] [INFO ] Invariant cache hit.
[2025-05-31 01:41:07] [INFO ] State equation strengthened by 133 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
SDD proceeding with computation,1014 properties remain. new max is 2
SDD size :1 after 813
SDD proceeding with computation,1014 properties remain. new max is 4
SDD size :813 after 900
SDD proceeding with computation,1014 properties remain. new max is 8
SDD size :900 after 27870
SDD proceeding with computation,1014 properties remain. new max is 16
SDD size :27870 after 2.56323e+07
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1410 variables, 1410/1410 constraints. Problems are: Problem set: 0 solved, 946 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1410/3929 variables, and 1410 constraints, problems are : Problem set: 0 solved, 946 unsolved in 5028 ms.
Refiners :[Domain max(s): 1410/1502 constraints, Positive P Invariants (semi-flows): 0/24 constraints, State Equation: 0/1502 constraints, ReadFeed: 0/133 constraints, PredecessorRefiner: 946/924 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 946 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1410 variables, 1410/1410 constraints. Problems are: Problem set: 0 solved, 946 unsolved
SDD proceeding with computation,1014 properties remain. new max is 32
SDD size :2.56323e+07 after 1.12899e+09
Error getting values : (error "ParserException while parsing response: ((s1 1)
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(s1064 1)
(s1065 1)
(s1066 1)
(s1067 1)
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(s1075 1)
(s1076 1)
(s1077 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1410/3929 variables, and 1410 constraints, problems are : Problem set: 0 solved, 946 unsolved in 5026 ms.
Refiners :[Domain max(s): 1410/1502 constraints, Positive P Invariants (semi-flows): 0/24 constraints, State Equation: 0/1502 constraints, ReadFeed: 0/133 constraints, PredecessorRefiner: 22/924 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10886ms problems are : Problem set: 0 solved, 946 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1410 out of 1502 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1502/1502 places, 2492/2492 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 66 transitions
Reduce isomorphic transitions removed 66 transitions.
Iterating post reduction 0 with 66 rules applied. Total rules applied 66 place count 1502 transition count 2426
Free-agglomeration rule applied 24 times.
Iterating global reduction 1 with 24 rules applied. Total rules applied 90 place count 1502 transition count 2402
Reduce places removed 24 places and 0 transitions.
Iterating post reduction 1 with 24 rules applied. Total rules applied 114 place count 1478 transition count 2402
Applied a total of 114 rules in 880 ms. Remains 1478 /1502 variables (removed 24) and now considering 2402/2492 (removed 90) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 881 ms. Remains : 1478/1502 places, 2402/2492 transitions.
SDD proceeding with computation,1014 properties remain. new max is 64
SDD size :1.12899e+09 after 1.77222e+12
RANDOM walk for 910491 steps (34967 resets) in 120004 ms. (7 steps per ms) remains 920/946 properties
BEST_FIRST walk for 4004 steps (0 resets) in 23 ms. (166 steps per ms) remains 920/920 properties
BEST_FIRST walk for 4004 steps (0 resets) in 10 ms. (364 steps per ms) remains 920/920 properties
BEST_FIRST walk for 4004 steps (0 resets) in 10 ms. (364 steps per ms) remains 920/920 properties
BEST_FIRST walk for 4004 steps (0 resets) in 9 ms. (400 steps per ms) remains 920/920 properties
BEST_FIRST walk for 4004 steps (0 resets) in 10 ms. (364 steps per ms) remains 920/920 properties
BEST_FIRST walk for 4004 steps (0 resets) in 9 ms. (400 steps per ms) remains 920/920 properties
BEST_FIRST walk for 4004 steps (0 resets) in 9 ms. (400 steps per ms) remains 920/920 properties
BEST_FIRST walk for 4004 steps (0 resets) in 11 ms. (333 steps per ms) remains 920/920 properties
BEST_FIRST walk for 4004 steps (0 resets) in 8 ms. (444 steps per ms) remains 920/920 properties
BEST_FIRST walk for 4004 steps (0 resets) in 8 ms. (444 steps per ms) remains 920/920 properties
BEST_FIRST walk for 4004 steps (0 resets) in 8 ms. (444 steps per ms) remains 920/920 properties
BEST_FIRST walk for 4004 steps (0 resets) in 8 ms. (444 steps per ms) remains 920/920 properties
BEST_FIRST walk for 4004 steps (0 resets) in 8 ms. (444 steps per ms) remains 920/920 properties
BEST_FIRST walk for 4004 steps (0 resets) in 8 ms. (444 steps per ms) remains 920/920 properties
BEST_FIRST walk for 4004 steps (0 resets) in 7 ms. (500 steps per ms) remains 920/920 properties
BEST_FIRST walk for 4004 steps (0 resets) in 10 ms. (364 steps per ms) remains 920/920 properties
BEST_FIRST walk for 4004 steps (0 resets) in 8 ms. (444 steps per ms) remains 920/920 properties
BEST_FIRST walk for 4004 steps (0 resets) in 14 ms. (266 steps per ms) remains 920/920 properties
BEST_FIRST walk for 4004 steps (0 resets) in 11 ms. (333 steps per ms) remains 920/920 properties
BEST_FIRST walk for 4004 steps (0 resets) in 10 ms. (364 steps per ms) remains 920/920 properties
BEST_FIRST walk for 4004 steps (0 resets) in 11 ms. (333 steps per ms) remains 920/920 properties
BEST_FIRST walk for 4004 steps (0 resets) in 9 ms. (400 steps per ms) remains 920/920 properties
BEST_FIRST walk for 4004 steps (0 resets) in 8 ms. (444 steps per ms) remains 920/920 properties
BEST_FIRST walk for 4004 steps (0 resets) in 9 ms. (400 steps per ms) remains 920/920 properties
BEST_FIRST walk for 4004 steps (0 resets) in 9 ms. (400 steps per ms) remains 920/920 properties
BEST_FIRST walk for 4004 steps (0 resets) in 8 ms. (444 steps per ms) remains 920/920 properties
BEST_FIRST walk for 4004 steps (0 resets) in 8 ms. (444 steps per ms) remains 920/920 properties
BEST_FIRST walk for 4004 steps (0 resets) in 11 ms. (333 steps per ms) remains 920/920 properties
BEST_FIRST walk for 4004 steps (0 resets) in 9 ms. (400 steps per ms) remains 920/920 properties
BEST_FIRST walk for 4004 steps (0 resets) in 11 ms. (333 steps per ms) remains 920/920 properties
BEST_FIRST walk for 4004 steps (0 resets) in 10 ms. (364 steps per ms) remains 920/920 properties
BEST_FIRST walk for 4004 steps (0 resets) in 11 ms. (333 steps per ms) remains 920/920 properties
BEST_FIRST walk for 4004 steps (0 resets) in 8 ms. (444 steps per ms) remains 920/920 properties
BEST_FIRST walk for 4004 steps (0 resets) in 8 ms. (444 steps per ms) remains 920/920 properties
BEST_FIRST walk for 4004 steps (0 resets) in 11 ms. (333 steps per ms) remains 920/920 properties
BEST_FIRST walk for 4004 steps (0 resets) in 7 ms. (500 steps per ms) remains 920/920 properties
BEST_FIRST walk for 4004 steps (0 resets) in 10 ms. (364 steps per ms) remains 920/920 properties
BEST_FIRST walk for 4004 steps (0 resets) in 8 ms. (444 steps per ms) remains 920/920 properties
BEST_FIRST walk for 4004 steps (0 resets) in 12 ms. (308 steps per ms) remains 920/920 properties
BEST_FIRST walk for 4004 steps (0 resets) in 10 ms. (364 steps per ms) remains 920/920 properties
BEST_FIRST walk for 4004 steps (0 resets) in 8 ms. (444 steps per ms) remains 920/920 properties
BEST_FIRST walk for 4004 steps (0 resets) in 8 ms. (444 steps per ms) remains 920/920 properties
BEST_FIRST walk for 4004 steps (0 resets) in 9 ms. (400 steps per ms) remains 920/920 properties
BEST_FIRST walk for 4004 steps (0 resets) in 8 ms. (444 steps per ms) remains 920/920 properties
BEST_FIRST walk for 4004 steps (0 resets) in 10 ms. (364 steps per ms) remains 920/920 properties
BEST_FIRST walk for 4004 steps (0 resets) in 11 ms. (333 steps per ms) remains 920/920 properties
BEST_FIRST walk for 4004 steps (0 resets) in 10 ms. (364 steps per ms) remains 920/920 properties
BEST_FIRST walk for 4004 steps (0 resets) in 8 ms. (444 steps per ms) remains 920/920 properties
BEST_FIRST walk for 4004 steps (0 resets) in 8 ms. (444 steps per ms) remains 920/920 properties
BEST_FIRST walk for 4004 steps (0 resets) in 8 ms. (444 steps per ms) remains 920/920 properties
Probabilistic random walk after 1000000 steps, saw 330443 distinct states, run finished after 55050 ms. (steps per millisecond=18 ) properties seen :3
// Phase 1: matrix 2402 rows 1478 cols
[2025-05-31 01:42:44] [INFO ] Computed 24 invariants in 118 ms
[2025-05-31 01:42:44] [INFO ] State equation strengthened by 134 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1380 variables, 1380/1380 constraints. Problems are: Problem set: 0 solved, 917 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1380/3880 variables, and 1380 constraints, problems are : Problem set: 0 solved, 917 unsolved in 45033 ms.
Refiners :[Domain max(s): 1380/1478 constraints, Positive P Invariants (semi-flows): 0/24 constraints, State Equation: 0/1478 constraints, ReadFeed: 0/134 constraints, PredecessorRefiner: 917/896 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 917 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1380 variables, 1380/1380 constraints. Problems are: Problem set: 0 solved, 917 unsolved
Error getting values : (error "ParserException while parsing response: ((s1 1)
(s2 1)
(s3 1)
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(s165 1)
(s166 1)
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(s1128timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1380/3880 variables, and 1380 constraints, problems are : Problem set: 0 solved, 917 unsolved in 45026 ms.
Refiners :[Domain max(s): 1380/1478 constraints, Positive P Invariants (semi-flows): 0/24 constraints, State Equation: 0/1478 constraints, ReadFeed: 0/134 constraints, PredecessorRefiner: 21/896 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 90763ms problems are : Problem set: 0 solved, 917 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1380 out of 1478 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1478/1478 places, 2402/2402 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 1476 transition count 2400
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 1476 transition count 2400
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 5 place count 1476 transition count 2399
Free-agglomeration rule applied 25 times.
Iterating global reduction 1 with 25 rules applied. Total rules applied 30 place count 1476 transition count 2374
Reduce places removed 25 places and 0 transitions.
Iterating post reduction 1 with 25 rules applied. Total rules applied 55 place count 1451 transition count 2374
Applied a total of 55 rules in 742 ms. Remains 1451 /1478 variables (removed 27) and now considering 2374/2402 (removed 28) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 742 ms. Remains : 1451/1478 places, 2374/2402 transitions.
RANDOM walk for 956343 steps (36718 resets) in 120004 ms. (7 steps per ms) remains 873/917 properties
BEST_FIRST walk for 4004 steps (0 resets) in 8 ms. (444 steps per ms) remains 873/873 properties
BEST_FIRST walk for 4004 steps (0 resets) in 9 ms. (400 steps per ms) remains 873/873 properties
BEST_FIRST walk for 4004 steps (0 resets) in 10 ms. (364 steps per ms) remains 873/873 properties
BEST_FIRST walk for 4004 steps (0 resets) in 8 ms. (444 steps per ms) remains 873/873 properties
BEST_FIRST walk for 4004 steps (0 resets) in 6 ms. (572 steps per ms) remains 873/873 properties
BEST_FIRST walk for 4004 steps (0 resets) in 8 ms. (444 steps per ms) remains 873/873 properties
BEST_FIRST walk for 4004 steps (0 resets) in 7 ms. (500 steps per ms) remains 873/873 properties
BEST_FIRST walk for 4004 steps (0 resets) in 10 ms. (364 steps per ms) remains 873/873 properties
BEST_FIRST walk for 4004 steps (0 resets) in 9 ms. (400 steps per ms) remains 873/873 properties
BEST_FIRST walk for 4004 steps (0 resets) in 7 ms. (500 steps per ms) remains 873/873 properties
BEST_FIRST walk for 4004 steps (0 resets) in 8 ms. (444 steps per ms) remains 873/873 properties
BEST_FIRST walk for 4004 steps (0 resets) in 8 ms. (444 steps per ms) remains 873/873 properties
BEST_FIRST walk for 4004 steps (0 resets) in 8 ms. (444 steps per ms) remains 873/873 properties
BEST_FIRST walk for 4004 steps (0 resets) in 8 ms. (444 steps per ms) remains 873/873 properties
BEST_FIRST walk for 4004 steps (0 resets) in 6 ms. (572 steps per ms) remains 873/873 properties
BEST_FIRST walk for 4004 steps (0 resets) in 8 ms. (444 steps per ms) remains 873/873 properties
BEST_FIRST walk for 4004 steps (0 resets) in 8 ms. (444 steps per ms) remains 873/873 properties
BEST_FIRST walk for 4004 steps (0 resets) in 9 ms. (400 steps per ms) remains 873/873 properties
BEST_FIRST walk for 4004 steps (0 resets) in 7 ms. (500 steps per ms) remains 873/873 properties
BEST_FIRST walk for 4004 steps (0 resets) in 7 ms. (500 steps per ms) remains 873/873 properties
BEST_FIRST walk for 4004 steps (0 resets) in 6 ms. (572 steps per ms) remains 873/873 properties
BEST_FIRST walk for 4004 steps (0 resets) in 6 ms. (572 steps per ms) remains 873/873 properties
BEST_FIRST walk for 4004 steps (0 resets) in 7 ms. (500 steps per ms) remains 873/873 properties
BEST_FIRST walk for 4004 steps (0 resets) in 9 ms. (400 steps per ms) remains 873/873 properties
BEST_FIRST walk for 4004 steps (0 resets) in 9 ms. (400 steps per ms) remains 873/873 properties
BEST_FIRST walk for 4004 steps (0 resets) in 10 ms. (364 steps per ms) remains 873/873 properties
BEST_FIRST walk for 4004 steps (0 resets) in 7 ms. (500 steps per ms) remains 873/873 properties
BEST_FIRST walk for 4004 steps (0 resets) in 7 ms. (500 steps per ms) remains 873/873 properties
BEST_FIRST walk for 4004 steps (0 resets) in 8 ms. (444 steps per ms) remains 873/873 properties
BEST_FIRST walk for 4004 steps (0 resets) in 9 ms. (400 steps per ms) remains 873/873 properties
BEST_FIRST walk for 4004 steps (0 resets) in 8 ms. (444 steps per ms) remains 873/873 properties
BEST_FIRST walk for 4004 steps (0 resets) in 8 ms. (444 steps per ms) remains 873/873 properties
BEST_FIRST walk for 4004 steps (0 resets) in 7 ms. (500 steps per ms) remains 873/873 properties
BEST_FIRST walk for 4004 steps (0 resets) in 9 ms. (400 steps per ms) remains 873/873 properties
BEST_FIRST walk for 4004 steps (0 resets) in 10 ms. (364 steps per ms) remains 873/873 properties
BEST_FIRST walk for 4004 steps (0 resets) in 10 ms. (364 steps per ms) remains 873/873 properties
BEST_FIRST walk for 4004 steps (0 resets) in 9 ms. (400 steps per ms) remains 873/873 properties
BEST_FIRST walk for 4004 steps (0 resets) in 7 ms. (500 steps per ms) remains 873/873 properties
BEST_FIRST walk for 4004 steps (0 resets) in 9 ms. (400 steps per ms) remains 873/873 properties
BEST_FIRST walk for 4004 steps (0 resets) in 9 ms. (400 steps per ms) remains 873/873 properties
BEST_FIRST walk for 4004 steps (0 resets) in 7 ms. (500 steps per ms) remains 873/873 properties
BEST_FIRST walk for 4004 steps (0 resets) in 10 ms. (364 steps per ms) remains 873/873 properties
BEST_FIRST walk for 4004 steps (0 resets) in 9 ms. (400 steps per ms) remains 873/873 properties
BEST_FIRST walk for 4004 steps (0 resets) in 10 ms. (364 steps per ms) remains 873/873 properties
BEST_FIRST walk for 4004 steps (0 resets) in 8 ms. (444 steps per ms) remains 873/873 properties
BEST_FIRST walk for 4004 steps (0 resets) in 10 ms. (364 steps per ms) remains 873/873 properties
BEST_FIRST walk for 4004 steps (0 resets) in 8 ms. (444 steps per ms) remains 873/873 properties
BEST_FIRST walk for 4004 steps (0 resets) in 9 ms. (400 steps per ms) remains 873/873 properties
BEST_FIRST walk for 4004 steps (0 resets) in 8 ms. (444 steps per ms) remains 873/873 properties
BEST_FIRST walk for 4004 steps (0 resets) in 8 ms. (444 steps per ms) remains 873/873 properties
SDD proceeding with computation,1014 properties remain. new max is 128
SDD size :1.77222e+12 after 1.58857e+17
Probabilistic random walk after 1000000 steps, saw 335377 distinct states, run finished after 52997 ms. (steps per millisecond=18 ) properties seen :0
// Phase 1: matrix 2374 rows 1451 cols
[2025-05-31 01:45:39] [INFO ] Computed 24 invariants in 79 ms
[2025-05-31 01:45:39] [INFO ] State equation strengthened by 158 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1333 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 873 unsolved
At refinement iteration 1 (OVERLAPS) 118/1451 variables, 24/24 constraints. Problems are: Problem set: 0 solved, 873 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1451/3825 variables, and 24 constraints, problems are : Problem set: 0 solved, 873 unsolved in 75049 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 0/1451 constraints, ReadFeed: 0/158 constraints, PredecessorRefiner: 873/852 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 873 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1333 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 873 unsolved
At refinement iteration 1 (OVERLAPS) 118/1451 variables, 24/24 constraints. Problems are: Problem set: 0 solved, 873 unsolved
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(s894 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1451/3825 variables, and 24 constraints, problems are : Problem set: 0 solved, 873 unsolved in 75025 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 0/1451 constraints, ReadFeed: 0/158 constraints, PredecessorRefiner: 21/852 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 150712ms problems are : Problem set: 0 solved, 873 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1333 out of 1451 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1451/1451 places, 2374/2374 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 1450 transition count 2373
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 1450 transition count 2373
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 3 place count 1450 transition count 2372
Free-agglomeration rule applied 43 times.
Iterating global reduction 1 with 43 rules applied. Total rules applied 46 place count 1450 transition count 2329
Reduce places removed 43 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 45 rules applied. Total rules applied 91 place count 1407 transition count 2327
Applied a total of 91 rules in 530 ms. Remains 1407 /1451 variables (removed 44) and now considering 2327/2374 (removed 47) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 531 ms. Remains : 1407/1451 places, 2327/2374 transitions.
RANDOM walk for 985095 steps (37821 resets) in 120004 ms. (8 steps per ms) remains 818/873 properties
BEST_FIRST walk for 4004 steps (0 resets) in 8 ms. (444 steps per ms) remains 818/818 properties
BEST_FIRST walk for 4004 steps (0 resets) in 8 ms. (444 steps per ms) remains 818/818 properties
BEST_FIRST walk for 4004 steps (0 resets) in 9 ms. (400 steps per ms) remains 818/818 properties
BEST_FIRST walk for 4004 steps (0 resets) in 9 ms. (400 steps per ms) remains 818/818 properties
BEST_FIRST walk for 4004 steps (0 resets) in 9 ms. (400 steps per ms) remains 818/818 properties
BEST_FIRST walk for 4004 steps (0 resets) in 8 ms. (444 steps per ms) remains 818/818 properties
BEST_FIRST walk for 4004 steps (0 resets) in 8 ms. (444 steps per ms) remains 818/818 properties
BEST_FIRST walk for 4004 steps (0 resets) in 8 ms. (444 steps per ms) remains 818/818 properties
BEST_FIRST walk for 4004 steps (0 resets) in 8 ms. (444 steps per ms) remains 818/818 properties
BEST_FIRST walk for 4004 steps (0 resets) in 9 ms. (400 steps per ms) remains 818/818 properties
BEST_FIRST walk for 4004 steps (0 resets) in 8 ms. (444 steps per ms) remains 818/818 properties
BEST_FIRST walk for 4004 steps (0 resets) in 9 ms. (400 steps per ms) remains 818/818 properties
BEST_FIRST walk for 4004 steps (0 resets) in 9 ms. (400 steps per ms) remains 818/818 properties
BEST_FIRST walk for 4004 steps (0 resets) in 7 ms. (500 steps per ms) remains 818/818 properties
BEST_FIRST walk for 4004 steps (0 resets) in 9 ms. (400 steps per ms) remains 818/818 properties
BEST_FIRST walk for 4004 steps (0 resets) in 7 ms. (500 steps per ms) remains 818/818 properties
BEST_FIRST walk for 4004 steps (0 resets) in 9 ms. (400 steps per ms) remains 818/818 properties
BEST_FIRST walk for 4004 steps (0 resets) in 9 ms. (400 steps per ms) remains 818/818 properties
BEST_FIRST walk for 4004 steps (0 resets) in 8 ms. (444 steps per ms) remains 818/818 properties
BEST_FIRST walk for 4004 steps (0 resets) in 7 ms. (500 steps per ms) remains 818/818 properties
BEST_FIRST walk for 4004 steps (0 resets) in 8 ms. (444 steps per ms) remains 818/818 properties
BEST_FIRST walk for 4004 steps (0 resets) in 8 ms. (444 steps per ms) remains 818/818 properties
BEST_FIRST walk for 4004 steps (0 resets) in 9 ms. (400 steps per ms) remains 818/818 properties
BEST_FIRST walk for 4004 steps (0 resets) in 9 ms. (400 steps per ms) remains 818/818 properties
BEST_FIRST walk for 4004 steps (0 resets) in 8 ms. (444 steps per ms) remains 818/818 properties
BEST_FIRST walk for 4004 steps (0 resets) in 7 ms. (500 steps per ms) remains 818/818 properties
BEST_FIRST walk for 4004 steps (0 resets) in 8 ms. (444 steps per ms) remains 818/818 properties
BEST_FIRST walk for 4004 steps (0 resets) in 6 ms. (572 steps per ms) remains 818/818 properties
BEST_FIRST walk for 4004 steps (0 resets) in 9 ms. (400 steps per ms) remains 818/818 properties
BEST_FIRST walk for 4004 steps (0 resets) in 8 ms. (444 steps per ms) remains 818/818 properties
BEST_FIRST walk for 4004 steps (0 resets) in 8 ms. (444 steps per ms) remains 818/818 properties
BEST_FIRST walk for 4004 steps (0 resets) in 9 ms. (400 steps per ms) remains 818/818 properties
BEST_FIRST walk for 4004 steps (0 resets) in 8 ms. (444 steps per ms) remains 818/818 properties
BEST_FIRST walk for 4004 steps (0 resets) in 7 ms. (500 steps per ms) remains 818/818 properties
BEST_FIRST walk for 4004 steps (0 resets) in 8 ms. (444 steps per ms) remains 818/818 properties
BEST_FIRST walk for 4004 steps (0 resets) in 8 ms. (444 steps per ms) remains 818/818 properties
BEST_FIRST walk for 4004 steps (0 resets) in 7 ms. (500 steps per ms) remains 818/818 properties
BEST_FIRST walk for 4004 steps (0 resets) in 9 ms. (400 steps per ms) remains 818/818 properties
BEST_FIRST walk for 4004 steps (0 resets) in 8 ms. (444 steps per ms) remains 818/818 properties
BEST_FIRST walk for 4004 steps (0 resets) in 8 ms. (444 steps per ms) remains 818/818 properties
BEST_FIRST walk for 4004 steps (0 resets) in 8 ms. (444 steps per ms) remains 818/818 properties
BEST_FIRST walk for 4004 steps (0 resets) in 8 ms. (444 steps per ms) remains 818/818 properties
BEST_FIRST walk for 4004 steps (0 resets) in 7 ms. (500 steps per ms) remains 818/818 properties
BEST_FIRST walk for 4004 steps (0 resets) in 9 ms. (400 steps per ms) remains 818/818 properties
BEST_FIRST walk for 4004 steps (0 resets) in 8 ms. (444 steps per ms) remains 818/818 properties
BEST_FIRST walk for 4004 steps (0 resets) in 9 ms. (400 steps per ms) remains 818/818 properties
BEST_FIRST walk for 4004 steps (0 resets) in 9 ms. (400 steps per ms) remains 818/818 properties
BEST_FIRST walk for 4004 steps (0 resets) in 8 ms. (444 steps per ms) remains 818/818 properties
BEST_FIRST walk for 4004 steps (0 resets) in 8 ms. (444 steps per ms) remains 818/818 properties
BEST_FIRST walk for 4004 steps (0 resets) in 9 ms. (400 steps per ms) remains 818/818 properties
Probabilistic random walk after 1000001 steps, saw 334734 distinct states, run finished after 51085 ms. (steps per millisecond=19 ) properties seen :0
// Phase 1: matrix 2327 rows 1407 cols
[2025-05-31 01:49:31] [INFO ] Computed 24 invariants in 70 ms
[2025-05-31 01:49:31] [INFO ] State equation strengthened by 199 read => feed constraints.
Starting Z3 with timeout 90.0 s and query timeout 9000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1273 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 818 unsolved
At refinement iteration 1 (OVERLAPS) 134/1407 variables, 24/24 constraints. Problems are: Problem set: 0 solved, 818 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1407/3734 variables, and 24 constraints, problems are : Problem set: 0 solved, 818 unsolved in 90028 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 0/1407 constraints, ReadFeed: 0/199 constraints, PredecessorRefiner: 818/797 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 818 unsolved
Starting Z3 with timeout 90.0 s and query timeout 9000.0 ms
Detected timeout of ITS tools.
[2025-05-31 01:51:03] [INFO ] Flatten gal took : 196 ms
[2025-05-31 01:51:03] [INFO ] Applying decomposition
[2025-05-31 01:51:04] [INFO ] Flatten gal took : 176 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/graph13789968949492940977.txt' '-o' '/tmp/graph13789968949492940977.bin' '-w' '/tmp/graph13789968949492940977.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph13789968949492940977.bin' '-l' '-1' '-v' '-w' '/tmp/graph13789968949492940977.weights' '-q' '0' '-e' '0.001'
[2025-05-31 01:51:05] [INFO ] Decomposing Gal with order
[2025-05-31 01:51:05] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-05-31 01:51:06] [INFO ] Removed a total of 1541 redundant transitions.
[2025-05-31 01:51:06] [INFO ] Flatten gal took : 1141 ms
[2025-05-31 01:51:06] [INFO ] Fuse similar labels procedure discarded/fused a total of 1127 labels/synchronizations in 123 ms.
[2025-05-31 01:51:06] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5686714995507793639.gal : 28 ms
[2025-05-31 01:51:06] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8658601873917897377.prop : 7 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/ReachabilityCardinality5686714995507793639.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8658601873917897377.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 ...307
Loading property file /tmp/ReachabilityCardinality8658601873917897377.prop.
SDD proceeding with computation,818 properties remain. new max is 4
SDD size :1 after 1
SDD proceeding with computation,818 properties remain. new max is 8
SDD size :1 after 1
SDD proceeding with computation,818 properties remain. new max is 16
SDD size :1 after 1
SDD proceeding with computation,818 properties remain. new max is 32
SDD size :1 after 36
Reachability property qltransition_2329 is true.
Reachability property qltransition_2323 is true.
Reachability property qltransition_2313 is true.
Reachability property qltransition_2311 is true.
Reachability property qltransition_2307 is true.
Reachability property qltransition_2305 is true.
Reachability property qltransition_2303 is true.
Reachability property qltransition_2301 is true.
Reachability property qltransition_2299 is true.
Reachability property qltransition_2297 is true.
Reachability property qltransition_2295 is true.
Reachability property qltransition_2293 is true.
Reachability property qltransition_1824 is true.
Reachability property qltransition_1823 is true.
Reachability property qltransition_1817 is true.
Reachability property qltransition_1808 is true.
Reachability property qltransition_1807 is true.
Reachability property qltransition_1804 is true.
Reachability property qltransition_1803 is true.
Reachability property qltransition_1801 is true.
Reachability property qltransition_1800 is true.
Reachability property qltransition_1799 is true.
Reachability property qltransition_1798 is true.
Reachability property qltransition_1797 is true.
Reachability property qltransition_1796 is true.
Reachability property qltransition_1795 is true.
Reachability property qltransition_1794 is true.
Reachability property qltransition_1793 is true.
Reachability property qltransition_1791 is true.
Reachability property qltransition_1790 is true.
Reachability property qltransition_1789 is true.
Reachability property qltransition_1784 is true.
Reachability property qltransition_1783 is true.
Reachability property qltransition_1778 is true.
Reachability property qltransition_1768 is true.
Reachability property qltransition_1764 is true.
Reachability property qltransition_1763 is true.
Reachability property qltransition_1762 is true.
Reachability property qltransition_1761 is true.
Reachability property qltransition_1760 is true.
Reachability property qltransition_1759 is true.
Reachability property qltransition_1758 is true.
Reachability property qltransition_1755 is true.
Reachability property qltransition_1754 is true.
Reachability property qltransition_1753 is true.
Reachability property qltransition_1752 is true.
Reachability property qltransition_1750 is true.
Reachability property qltransition_1704 is true.
Reachability property qltransition_1703 is true.
Reachability property qltransition_1698 is true.
Reachability property qltransition_1697 is true.
Reachability property qltransition_1688 is true.
Reachability property qltransition_1687 is true.
Reachability property qltransition_1685 is true.
Reachability property qltransition_1682 is true.
Reachability property qltransition_1681 is true.
Reachability property qltransition_1679 is true.
Reachability property qltransition_1677 is true.
Reachability property qltransition_1675 is true.
Reachability property qltransition_1674 is true.
Reachability property qltransition_1673 is true.
Reachability property qltransition_1672 is true.
Reachability property qltransition_1671 is true.
Reachability property qltransition_1670 is true.
Reachability property qltransition_1669 is true.
Reachability property qltransition_1664 is true.
Reachability property qltransition_1663 is true.
Reachability property qltransition_1658 is true.
Reachability property qltransition_1657 is true.
Reachability property qltransition_1648 is true.
Reachability property qltransition_1647 is true.
Reachability property qltransition_1645 is true.
Reachability property qltransition_1642 is true.
Reachability property qltransition_1641 is true.
Reachability property qltransition_1640 is true.
Reachability property qltransition_1639 is true.
Reachability property qltransition_1638 is true.
Reachability property qltransition_1636 is true.
Reachability property qltransition_1635 is true.
Reachability property qltransition_1634 is true.
Reachability property qltransition_1633 is true.
Reachability property qltransition_1632 is true.
Reachability property qltransition_1631 is true.
Reachability property qltransition_1630 is true.
Reachability property qltransition_1629 is true.
Reachability property qltransition_1624 is true.
Reachability property qltransition_1623 is true.
Reachability property qltransition_1618 is true.
Reachability property qltransition_1617 is true.
Reachability property qltransition_1608 is true.
Reachability property qltransition_1607 is true.
Reachability property qltransition_1606 is true.
Reachability property qltransition_1605 is true.
Reachability property qltransition_1602 is true.
Reachability property qltransition_1601 is true.
Reachability property qltransition_1600 is true.
Reachability property qltransition_1599 is true.
Reachability property qltransition_1598 is true.
Reachability property qltransition_1597 is true.
Reachability property qltransition_1596 is true.
Reachability property qltransition_1595 is true.
Reachability property qltransition_1591 is true.
Reachability property qltransition_1590 is true.
Reachability property qltransition_1589 is true.
Reachability property qltransition_1584 is true.
Reachability property qltransition_1583 is true.
Reachability property qltransition_1578 is true.
Reachability property qltransition_1577 is true.
Reachability property qltransition_1568 is true.
Reachability property qltransition_1567 is true.
Reachability property qltransition_1566 is true.
Reachability property qltransition_1565 is true.
Reachability property qltransition_1562 is true.
Reachability property qltransition_1561 is true.
Reachability property qltransition_1560 is true.
Reachability property qltransition_1557 is true.
Reachability property qltransition_1556 is true.
Reachability property qltransition_1555 is true.
Reachability property qltransition_1554 is true.
Reachability property qltransition_1553 is true.
Reachability property qltransition_1552 is true.
Reachability property qltransition_1551 is true.
Reachability property qltransition_1550 is true.
Reachability property qltransition_1549 is true.
Reachability property qltransition_1544 is true.
Reachability property qltransition_1543 is true.
Reachability property qltransition_1538 is true.
Reachability property qltransition_1537 is true.
Reachability property qltransition_1528 is true.
Reachability property qltransition_1527 is true.
Reachability property qltransition_1526 is true.
Reachability property qltransition_1525 is true.
Reachability property qltransition_1521 is true.
Reachability property qltransition_1520 is true.
Reachability property qltransition_1519 is true.
Reachability property qltransition_1517 is true.
Reachability property qltransition_1516 is true.
Reachability property qltransition_1515 is true.
Reachability property qltransition_1514 is true.
Reachability property qltransition_1512 is true.
Reachability property qltransition_1511 is true.
Reachability property qltransition_1510 is true.
Reachability property qltransition_1509 is true.
Reachability property qltransition_1504 is true.
Reachability property qltransition_1503 is true.
Reachability property qltransition_1498 is true.
Reachability property qltransition_1497 is true.
Reachability property qltransition_1488 is true.
Reachability property qltransition_1487 is true.
Reachability property qltransition_1485 is true.
Reachability property qltransition_1482 is true.
Reachability property qltransition_1481 is true.
Reachability property qltransition_1480 is true.
Reachability property qltransition_1479 is true.
Reachability property qltransition_1478 is true.
Reachability property qltransition_1477 is true.
Reachability property qltransition_1476 is true.
Reachability property qltransition_1475 is true.
Reachability property qltransition_1474 is true.
Reachability property qltransition_1473 is true.
Reachability property qltransition_1472 is true.
Reachability property qltransition_1471 is true.
Reachability property qltransition_1469 is true.
Reachability property qltransition_1464 is true.
Reachability property qltransition_1463 is true.
Reachability property qltransition_1457 is true.
Reachability property qltransition_1448 is true.
Reachability property qltransition_1446 is true.
Reachability property qltransition_1445 is true.
Reachability property qltransition_1442 is true.
Reachability property qltransition_1440 is true.
Reachability property qltransition_1438 is true.
Reachability property qltransition_1437 is true.
Reachability property qltransition_1436 is true.
Reachability property qltransition_1435 is true.
Reachability property qltransition_1433 is true.
Reachability property qltransition_1432 is true.
Reachability property qltransition_1431 is true.
Reachability property qltransition_1430 is true.
Reachability property qltransition_1429 is true.
Reachability property qltransition_1424 is true.
Reachability property qltransition_1423 is true.
Reachability property qltransition_1417 is true.
Reachability property qltransition_1408 is true.
Reachability property qltransition_1407 is true.
Reachability property qltransition_1406 is true.
Reachability property qltransition_1405 is true.
Reachability property qltransition_1402 is true.
Reachability property qltransition_1401 is true.
Reachability property qltransition_1400 is true.
Reachability property qltransition_1399 is true.
Reachability property qltransition_1398 is true.
Reachability property qltransition_1396 is true.
Reachability property qltransition_1395 is true.
Reachability property qltransition_1394 is true.
Reachability property qltransition_1393 is true.
Reachability property qltransition_1392 is true.
Reachability property qltransition_1391 is true.
Reachability property qltransition_1390 is true.
Reachability property qltransition_1389 is true.
SDD proceeding with computation,618 properties remain. new max is 32
SDD size :36 after 1.42632e+24
SDD proceeding with computation,618 properties remain. new max is 64
SDD size :1.42632e+24 after 1.63367e+24
Reachability property qltransition_2024 is true.
Reachability property qltransition_2023 is true.
Reachability property qltransition_2010 is true.
Reachability property qltransition_2008 is true.
Reachability property qltransition_2007 is true.
Reachability property qltransition_2004 is true.
Reachability property qltransition_2002 is true.
Reachability property qltransition_2001 is true.
Reachability property qltransition_1999 is true.
Reachability property qltransition_1998 is true.
Reachability property qltransition_1997 is true.
Reachability property qltransition_1996 is true.
Reachability property qltransition_1994 is true.
Reachability property qltransition_1993 is true.
Reachability property qltransition_1992 is true.
Reachability property qltransition_1991 is true.
Reachability property qltransition_1990 is true.
Reachability property qltransition_1989 is true.
SDD proceeding with computation,600 properties remain. new max is 64
SDD size :1.63367e+24 after 2.04209e+24
Reachability property qltransition_2140 is true.
Reachability property qltransition_2139 is true.
Reachability property qltransition_2130 is true.
Reachability property qltransition_2129 is true.
Reachability property qltransition_2128 is true.
Reachability property qltransition_2127 is true.
Reachability property qltransition_2124 is true.
Reachability property qltransition_2123 is true.
Reachability property qltransition_2122 is true.
Reachability property qltransition_2121 is true.
Reachability property qltransition_2120 is true.
Reachability property qltransition_2119 is true.
Reachability property qltransition_2118 is true.
Reachability property qltransition_2117 is true.
Reachability property qltransition_2116 is true.
Reachability property qltransition_2115 is true.
Reachability property qltransition_2114 is true.
Reachability property qltransition_2113 is true.
Reachability property qltransition_2111 is true.
Reachability property qltransition_2109 is true.
SDD proceeding with computation,580 properties remain. new max is 64
SDD size :2.04209e+24 after 2.45051e+24
Reachability property qltransition_2424 is true.
Reachability property qltransition_2420 is true.
Reachability property qltransition_2418 is true.
Reachability property qltransition_2417 is true.
Reachability property qltransition_2416 is true.
Reachability property qltransition_2415 is true.
Reachability property qltransition_2414 is true.
Reachability property qltransition_2413 is true.
Reachability property qltransition_2412 is true.
Reachability property qltransition_2411 is true.
Reachability property qltransition_2410 is true.
Reachability property qltransition_2407 is true.
Reachability property qltransition_2260 is true.
Reachability property qltransition_2259 is true.
Reachability property qltransition_2250 is true.
Reachability property qltransition_2249 is true.
Reachability property qltransition_2248 is true.
Reachability property qltransition_2247 is true.
Reachability property qltransition_2244 is true.
Reachability property qltransition_2243 is true.
Reachability property qltransition_2242 is true.
Reachability property qltransition_2241 is true.
Reachability property qltransition_2240 is true.
Reachability property qltransition_2239 is true.
Reachability property qltransition_2238 is true.
Reachability property qltransition_2237 is true.
Reachability property qltransition_2236 is true.
Reachability property qltransition_2235 is true.
Reachability property qltransition_2234 is true.
Reachability property qltransition_2231 is true.
Reachability property qltransition_2230 is true.
Reachability property qltransition_2229 is true.
SDD proceeding with computation,548 properties remain. new max is 64
SDD size :2.45051e+24 after 2.77888e+24
Reachability property qltransition_2356 is true.
Reachability property qltransition_2353 is true.
Reachability property qltransition_2348 is true.
Reachability property qltransition_2347 is true.
Reachability property qltransition_2345 is true.
Reachability property qltransition_2344 is true.
Reachability property qltransition_2343 is true.
Reachability property qltransition_2342 is true.
Reachability property qltransition_2341 is true.
Reachability property qltransition_2340 is true.
Reachability property qltransition_2339 is true.
Reachability property qltransition_2338 is true.
SDD proceeding with computation,536 properties remain. new max is 64
SDD size :2.77888e+24 after 3.77056e+24
SDD proceeding with computation,536 properties remain. new max is 128
SDD size :3.77056e+24 after 3.98365e+24
SDD proceeding with computation,536 properties remain. new max is 256
SDD size :3.98365e+24 after 4.22683e+24
At refinement iteration 0 (INCLUDED_ONLY) 0/1273 variables, 0/0 constraints. Problems are: Problem set: 282 solved, 536 unsolved
At refinement iteration 1 (OVERLAPS) 134/1407 variables, 24/24 constraints. Problems are: Problem set: 282 solved, 536 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1407 variables, 0/24 constraints. Problems are: Problem set: 282 solved, 536 unsolved
At refinement iteration 3 (OVERLAPS) 2327/3734 variables, 1407/1431 constraints. Problems are: Problem set: 282 solved, 536 unsolved
SMT process timed out in 180657ms, After SMT, problems are : Problem set: 282 solved, 536 unsolved
Fused 536 Parikh solutions to 422 different solutions.
Parikh walk visited 374 properties in 1359 ms.
Support contains 285 out of 1407 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1407/1407 places, 2327/2327 transitions.
Discarding 294 places :
Symmetric choice reduction at 0 with 294 rule applications. Total rules 294 place count 1113 transition count 2033
Iterating global reduction 0 with 294 rules applied. Total rules applied 588 place count 1113 transition count 2033
Ensure Unique test removed 282 transitions
Reduce isomorphic transitions removed 282 transitions.
Iterating post reduction 0 with 282 rules applied. Total rules applied 870 place count 1113 transition count 1751
Free-agglomeration rule applied 389 times.
Iterating global reduction 1 with 389 rules applied. Total rules applied 1259 place count 1113 transition count 1362
Reduce places removed 389 places and 0 transitions.
Ensure Unique test removed 55 transitions
Reduce isomorphic transitions removed 55 transitions.
Iterating post reduction 1 with 444 rules applied. Total rules applied 1703 place count 724 transition count 1307
Applied a total of 1703 rules in 464 ms. Remains 724 /1407 variables (removed 683) and now considering 1307/2327 (removed 1020) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 464 ms. Remains : 724/1407 places, 1307/2327 transitions.
RANDOM walk for 3961958 steps (139766 resets) in 119456 ms. (33 steps per ms) remains 34/162 properties
BEST_FIRST walk for 400004 steps (8 resets) in 811 ms. (492 steps per ms) remains 33/34 properties
BEST_FIRST walk for 400004 steps (8 resets) in 861 ms. (464 steps per ms) remains 32/33 properties
BEST_FIRST walk for 400004 steps (8 resets) in 718 ms. (556 steps per ms) remains 31/32 properties
BEST_FIRST walk for 400004 steps (8 resets) in 612 ms. (652 steps per ms) remains 30/31 properties
BEST_FIRST walk for 400004 steps (8 resets) in 461 ms. (865 steps per ms) remains 29/30 properties
BEST_FIRST walk for 400004 steps (8 resets) in 455 ms. (877 steps per ms) remains 28/29 properties
BEST_FIRST walk for 400004 steps (8 resets) in 548 ms. (728 steps per ms) remains 27/28 properties
BEST_FIRST walk for 400004 steps (8 resets) in 588 ms. (679 steps per ms) remains 26/27 properties
BEST_FIRST walk for 400004 steps (8 resets) in 460 ms. (867 steps per ms) remains 25/26 properties
BEST_FIRST walk for 400004 steps (8 resets) in 394 ms. (1012 steps per ms) remains 24/25 properties
BEST_FIRST walk for 400004 steps (8 resets) in 398 ms. (1002 steps per ms) remains 23/24 properties
BEST_FIRST walk for 400004 steps (8 resets) in 412 ms. (968 steps per ms) remains 22/23 properties
BEST_FIRST walk for 400004 steps (8 resets) in 388 ms. (1028 steps per ms) remains 21/22 properties
BEST_FIRST walk for 400004 steps (8 resets) in 390 ms. (1023 steps per ms) remains 20/21 properties
BEST_FIRST walk for 400004 steps (8 resets) in 395 ms. (1010 steps per ms) remains 19/20 properties
BEST_FIRST walk for 400004 steps (8 resets) in 392 ms. (1017 steps per ms) remains 18/19 properties
BEST_FIRST walk for 400004 steps (8 resets) in 384 ms. (1038 steps per ms) remains 17/18 properties
BEST_FIRST walk for 400004 steps (8 resets) in 413 ms. (966 steps per ms) remains 16/17 properties
BEST_FIRST walk for 400004 steps (27 resets) in 323 ms. (1234 steps per ms) remains 14/16 properties
BEST_FIRST walk for 400004 steps (201 resets) in 465 ms. (858 steps per ms) remains 14/14 properties
BEST_FIRST walk for 400004 steps (199 resets) in 474 ms. (842 steps per ms) remains 14/14 properties
BEST_FIRST walk for 400004 steps (201 resets) in 486 ms. (821 steps per ms) remains 14/14 properties
BEST_FIRST walk for 400004 steps (199 resets) in 478 ms. (835 steps per ms) remains 14/14 properties
BEST_FIRST walk for 400004 steps (200 resets) in 475 ms. (840 steps per ms) remains 14/14 properties
BEST_FIRST walk for 400004 steps (199 resets) in 476 ms. (838 steps per ms) remains 14/14 properties
BEST_FIRST walk for 400004 steps (194 resets) in 441 ms. (904 steps per ms) remains 14/14 properties
BEST_FIRST walk for 400004 steps (202 resets) in 457 ms. (873 steps per ms) remains 14/14 properties
BEST_FIRST walk for 400004 steps (197 resets) in 458 ms. (871 steps per ms) remains 14/14 properties
BEST_FIRST walk for 400004 steps (204 resets) in 418 ms. (954 steps per ms) remains 14/14 properties
BEST_FIRST walk for 400004 steps (194 resets) in 437 ms. (913 steps per ms) remains 14/14 properties
BEST_FIRST walk for 400004 steps (202 resets) in 424 ms. (941 steps per ms) remains 14/14 properties
BEST_FIRST walk for 400004 steps (197 resets) in 453 ms. (881 steps per ms) remains 14/14 properties
// Phase 1: matrix 1307 rows 724 cols
[2025-05-31 01:53:08] [INFO ] Computed 24 invariants in 47 ms
[2025-05-31 01:53:08] [INFO ] State equation strengthened by 521 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 105.0 s and query timeout 10500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/16 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 578/594 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/594 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (OVERLAPS) 130/724 variables, 14/24 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/724 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (OVERLAPS) 1307/2031 variables, 724/748 constraints. Problems are: Problem set: 0 solved, 14 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/2031 variables, 521/1269 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2031 variables, 0/1269 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 8 (OVERLAPS) 0/2031 variables, 0/1269 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2031/2031 variables, and 1269 constraints, problems are : Problem set: 0 solved, 14 unsolved in 2716 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 724/724 constraints, ReadFeed: 521/521 constraints, PredecessorRefiner: 14/13 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 14 unsolved
Starting Z3 with timeout 105.0 s and query timeout 10500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/16 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 578/594 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/594 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (OVERLAPS) 130/724 variables, 14/24 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/724 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (OVERLAPS) 1307/2031 variables, 724/748 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2031 variables, 521/1269 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2031 variables, 13/1282 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2031 variables, 0/1282 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 9 (OVERLAPS) 0/2031 variables, 0/1282 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2031/2031 variables, and 1282 constraints, problems are : Problem set: 0 solved, 14 unsolved in 5051 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 724/724 constraints, ReadFeed: 521/521 constraints, PredecessorRefiner: 14/13 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 7845ms problems are : Problem set: 0 solved, 14 unsolved
Finished Parikh walk after 40 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=20 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 2 ms. (steps per millisecond=0 )
Parikh walk visited 14 properties in 667 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 1037 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PROBABILISTIC_WALK PARIKH_WALK DECISION_DIAGRAMS COLLATERAL_PROCESSING BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE USE_NUPN
Total runtime 817277 ms.

BK_STOP 1748656397638

--------------------
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
+ [[ QuasiLiveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ 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 QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800

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="FlexibleBarrier-PT-22b"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
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 FlexibleBarrier-PT-22b, examination is QuasiLiveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r091-smll-174860108200347"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-22b.tgz
mv FlexibleBarrier-PT-22b execution
cd execution
if [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "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 [ "QuasiLiveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "QuasiLiveness" != "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 "QuasiLiveness.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 '' QuasiLiveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] ; then
echo "FORMULA_NAME QuasiLiveness"
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 ;