Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r114-tall-174876423000611.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 LamportFastMutEx-COL-4, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r114-tall-174876423000611
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 448K
-rw-r--r-- 1 mcc users 6.7K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 63K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.1K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 60K 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 6.6K May 29 14:32 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.9K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.9K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 81K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.8K 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 1.8K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 29 14:32 equiv_pt
-rw-r--r-- 1 mcc users 2 May 29 14:32 instance
-rw-r--r-- 1 mcc users 5 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 40K 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 LamportFastMutEx-COL-4-LTLCardinality-00
FORMULA_NAME LamportFastMutEx-COL-4-LTLCardinality-01
FORMULA_NAME LamportFastMutEx-COL-4-LTLCardinality-02
FORMULA_NAME LamportFastMutEx-COL-4-LTLCardinality-03
FORMULA_NAME LamportFastMutEx-COL-4-LTLCardinality-04
FORMULA_NAME LamportFastMutEx-COL-4-LTLCardinality-05
FORMULA_NAME LamportFastMutEx-COL-4-LTLCardinality-06
FORMULA_NAME LamportFastMutEx-COL-4-LTLCardinality-07
FORMULA_NAME LamportFastMutEx-COL-4-LTLCardinality-08
FORMULA_NAME LamportFastMutEx-COL-4-LTLCardinality-09
FORMULA_NAME LamportFastMutEx-COL-4-LTLCardinality-10
FORMULA_NAME LamportFastMutEx-COL-4-LTLCardinality-11
FORMULA_NAME LamportFastMutEx-COL-4-LTLCardinality-12
FORMULA_NAME LamportFastMutEx-COL-4-LTLCardinality-13
FORMULA_NAME LamportFastMutEx-COL-4-LTLCardinality-14
FORMULA_NAME LamportFastMutEx-COL-4-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1748871884917

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=LamportFastMutEx-COL-4
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
LTLCardinality COL
Running Version 202505121319
[2025-06-02 13:44:46] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-02 13:44:46] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-02 13:44:46] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2025-06-02 13:44:46] [WARNING] Using fallBack plugin, rng conformance not checked
[2025-06-02 13:44:47] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 689 ms
[2025-06-02 13:44:47] [INFO ] Imported 18 HL places and 17 HL transitions for a total of 135 PT places and 285.0 transition bindings in 27 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 13 ms.
Working with output stream class java.io.PrintStream
[2025-06-02 13:44:47] [INFO ] Built PT skeleton of HLPN with 18 places and 17 transitions 68 arcs in 9 ms.
[2025-06-02 13:44:47] [INFO ] Skeletonized 16 HLPN properties in 2 ms.
Initial state reduction rules removed 3 formulas.
FORMULA LamportFastMutEx-COL-4-LTLCardinality-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LamportFastMutEx-COL-4-LTLCardinality-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LamportFastMutEx-COL-4-LTLCardinality-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 3 stabilizing places and 0 stable transitions
Remains 13 properties that can be checked using skeleton over-approximation.
Reduce places removed 3 places and 0 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
RANDOM walk for 696 steps (0 resets) in 40 ms. (16 steps per ms) remains 0/25 properties
[2025-06-02 13:44:47] [INFO ] Initial state reduction rules for LTL removed 1 formulas.
[2025-06-02 13:44:47] [INFO ] Flatten gal took : 17 ms
FORMULA LamportFastMutEx-COL-4-LTLCardinality-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2025-06-02 13:44:47] [INFO ] Flatten gal took : 3 ms
Domain [pid(5), pid(5)] of place P_wait breaks symmetries in sort pid
Symmetric sort wr.t. initial and guards and successors and join/free detected :P_bool
Arc [3:1*[$i, 1]] contains constants of sort P_bool
Transition T_setbi_2 : constants on arcs in [[3:1*[$i, 1]]] introduces in P_bool(2) partition with 1 elements that refines current partition to 2 subsets.
[2025-06-02 13:44:47] [INFO ] Unfolded HLPN to a Petri net with 135 places and 230 transitions 990 arcs in 60 ms.
[2025-06-02 13:44:47] [INFO ] Unfolded 12 HLPN properties in 0 ms.
Deduced a syphon composed of 33 places in 1 ms
Reduce places removed 33 places and 50 transitions.
Support contains 68 out of 102 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 102/102 places, 180/180 transitions.
Applied a total of 0 rules in 23 ms. Remains 102 /102 variables (removed 0) and now considering 180/180 (removed 0) transitions.
[2025-06-02 13:44:47] [INFO ] Flow matrix only has 144 transitions (discarded 36 similar events)
// Phase 1: matrix 144 rows 102 cols
[2025-06-02 13:44:47] [INFO ] Computed 26 invariants in 8 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:44:48] [INFO ] Implicit Places using invariants in 587 ms returned []
[2025-06-02 13:44:48] [INFO ] Flow matrix only has 144 transitions (discarded 36 similar events)
[2025-06-02 13:44:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:44:48] [INFO ] State equation strengthened by 40 read => feed constraints.
[2025-06-02 13:44:48] [INFO ] Implicit Places using invariants and state equation in 225 ms returned []
Implicit Place search using SMT with State Equation took 870 ms to find 0 implicit places.
Running 176 sub problems to find dead transitions.
[2025-06-02 13:44:48] [INFO ] Flow matrix only has 144 transitions (discarded 36 similar events)
[2025-06-02 13:44:48] [INFO ] Invariant cache hit.
[2025-06-02 13:44:48] [INFO ] State equation strengthened by 40 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/102 variables, 26/26 constraints. Problems are: Problem set: 0 solved, 176 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:44:49] [INFO ] Deduced a trap composed of 9 places in 82 ms of which 14 ms to minimize.
Problem TDEAD4 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:44:49] [INFO ] Deduced a trap composed of 9 places in 97 ms of which 6 ms to minimize.
Problem TDEAD5 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:44:49] [INFO ] Deduced a trap composed of 9 places in 99 ms of which 6 ms to minimize.
Problem TDEAD6 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:44:49] [INFO ] Deduced a trap composed of 9 places in 67 ms of which 4 ms to minimize.
Problem TDEAD7 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:44:49] [INFO ] Deduced a trap composed of 6 places in 59 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:44:50] [INFO ] Deduced a trap composed of 6 places in 58 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:44:50] [INFO ] Deduced a trap composed of 10 places in 108 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:44:50] [INFO ] Deduced a trap composed of 13 places in 51 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:44:50] [INFO ] Deduced a trap composed of 13 places in 67 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:44:50] [INFO ] Deduced a trap composed of 6 places in 23 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:44:50] [INFO ] Deduced a trap composed of 8 places in 58 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:44:50] [INFO ] Deduced a trap composed of 10 places in 70 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:44:50] [INFO ] Deduced a trap composed of 13 places in 28 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:44:50] [INFO ] Deduced a trap composed of 10 places in 70 ms of which 5 ms to minimize.
Problem TDEAD28 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:44:50] [INFO ] Deduced a trap composed of 10 places in 55 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:44:50] [INFO ] Deduced a trap composed of 16 places in 59 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:44:50] [INFO ] Deduced a trap composed of 16 places in 50 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:44:50] [INFO ] Deduced a trap composed of 16 places in 58 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:44:50] [INFO ] Deduced a trap composed of 14 places in 79 ms of which 5 ms to minimize.
Problem TDEAD33 is UNSAT
Problem TDEAD38 is UNSAT
Problem TDEAD43 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:44:51] [INFO ] Deduced a trap composed of 8 places in 25 ms of which 3 ms to minimize.
Problem TDEAD4 is UNSAT
Problem TDEAD5 is UNSAT
Problem TDEAD6 is UNSAT
Problem TDEAD7 is UNSAT
Problem TDEAD28 is UNSAT
Problem TDEAD33 is UNSAT
Problem TDEAD38 is UNSAT
Problem TDEAD43 is UNSAT
Problem TDEAD44 is UNSAT
Problem TDEAD47 is UNSAT
Problem TDEAD61 is UNSAT
Problem TDEAD67 is UNSAT
Problem TDEAD73 is UNSAT
Problem TDEAD79 is UNSAT
Problem TDEAD88 is UNSAT
Problem TDEAD92 is UNSAT
Problem TDEAD96 is UNSAT
Problem TDEAD99 is UNSAT
At refinement iteration 1 (INCLUDED_ONLY) 0/102 variables, 20/46 constraints. Problems are: Problem set: 18 solved, 158 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:44:51] [INFO ] Deduced a trap composed of 6 places in 43 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:44:51] [INFO ] Deduced a trap composed of 14 places in 58 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:44:51] [INFO ] Deduced a trap composed of 8 places in 31 ms of which 2 ms to minimize.
Problem TDEAD45 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:44:51] [INFO ] Deduced a trap composed of 8 places in 26 ms of which 2 ms to minimize.
Problem TDEAD46 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:44:51] [INFO ] Deduced a trap composed of 21 places in 61 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:44:51] [INFO ] Deduced a trap composed of 21 places in 59 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:44:51] [INFO ] Deduced a trap composed of 21 places in 53 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:44:51] [INFO ] Deduced a trap composed of 16 places in 84 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:44:51] [INFO ] Deduced a trap composed of 6 places in 53 ms of which 2 ms to minimize.
Problem TDEAD80 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:44:51] [INFO ] Deduced a trap composed of 15 places in 67 ms of which 6 ms to minimize.
Problem TDEAD84 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:44:51] [INFO ] Deduced a trap composed of 15 places in 69 ms of which 6 ms to minimize.
Problem TDEAD97 is UNSAT
Problem TDEAD98 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:44:52] [INFO ] Deduced a trap composed of 12 places in 83 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:44:52] [INFO ] Deduced a trap composed of 12 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:44:52] [INFO ] Deduced a trap composed of 12 places in 60 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:44:52] [INFO ] Deduced a trap composed of 13 places in 56 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:44:52] [INFO ] Deduced a trap composed of 13 places in 71 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:44:52] [INFO ] Deduced a trap composed of 13 places in 48 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:44:52] [INFO ] Deduced a trap composed of 13 places in 71 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:44:52] [INFO ] Deduced a trap composed of 21 places in 55 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:44:52] [INFO ] Deduced a trap composed of 13 places in 71 ms of which 3 ms to minimize.
Problem TDEAD45 is UNSAT
Problem TDEAD46 is UNSAT
Problem TDEAD80 is UNSAT
Problem TDEAD84 is UNSAT
Problem TDEAD97 is UNSAT
Problem TDEAD98 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/102 variables, 20/66 constraints. Problems are: Problem set: 24 solved, 152 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:44:53] [INFO ] Deduced a trap composed of 13 places in 64 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:44:53] [INFO ] Deduced a trap composed of 14 places in 64 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:44:53] [INFO ] Deduced a trap composed of 21 places in 92 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:44:53] [INFO ] Deduced a trap composed of 15 places in 65 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:44:53] [INFO ] Deduced a trap composed of 16 places in 59 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:44:53] [INFO ] Deduced a trap composed of 17 places in 65 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:44:53] [INFO ] Deduced a trap composed of 15 places in 59 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:44:53] [INFO ] Deduced a trap composed of 17 places in 60 ms of which 7 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/102 variables, 8/74 constraints. Problems are: Problem set: 24 solved, 152 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:44:54] [INFO ] Deduced a trap composed of 21 places in 61 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:44:54] [INFO ] Deduced a trap composed of 21 places in 63 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:44:54] [INFO ] Deduced a trap composed of 15 places in 74 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:44:54] [INFO ] Deduced a trap composed of 14 places in 69 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:44:55] [INFO ] Deduced a trap composed of 17 places in 75 ms of which 7 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 5/79 constraints. Problems are: Problem set: 24 solved, 152 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:44:55] [INFO ] Deduced a trap composed of 14 places in 63 ms of which 5 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/102 variables, 1/80 constraints. Problems are: Problem set: 24 solved, 152 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/102 variables, 0/80 constraints. Problems are: Problem set: 24 solved, 152 unsolved
At refinement iteration 7 (OVERLAPS) 144/246 variables, 102/182 constraints. Problems are: Problem set: 24 solved, 152 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/246 variables, 40/222 constraints. Problems are: Problem set: 24 solved, 152 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:44:57] [INFO ] Deduced a trap composed of 13 places in 55 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:44:57] [INFO ] Deduced a trap composed of 13 places in 55 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:44:57] [INFO ] Deduced a trap composed of 13 places in 66 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/246 variables, 3/225 constraints. Problems are: Problem set: 24 solved, 152 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/246 variables, 0/225 constraints. Problems are: Problem set: 24 solved, 152 unsolved
At refinement iteration 11 (OVERLAPS) 0/246 variables, 0/225 constraints. Problems are: Problem set: 24 solved, 152 unsolved
No progress, stopping.
After SMT solving in domain Real declared 246/246 variables, and 225 constraints, problems are : Problem set: 24 solved, 152 unsolved in 11808 ms.
Refiners :[Positive P Invariants (semi-flows): 26/26 constraints, State Equation: 102/102 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 176/176 constraints, Known Traps: 57/57 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 24 solved, 152 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 6/6 constraints. Problems are: Problem set: 24 solved, 152 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 35/41 constraints. Problems are: Problem set: 24 solved, 152 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/98 variables, 0/41 constraints. Problems are: Problem set: 24 solved, 152 unsolved
At refinement iteration 3 (OVERLAPS) 4/102 variables, 20/61 constraints. Problems are: Problem set: 24 solved, 152 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 22/83 constraints. Problems are: Problem set: 24 solved, 152 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/102 variables, 0/83 constraints. Problems are: Problem set: 24 solved, 152 unsolved
At refinement iteration 6 (OVERLAPS) 144/246 variables, 102/185 constraints. Problems are: Problem set: 24 solved, 152 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/246 variables, 40/225 constraints. Problems are: Problem set: 24 solved, 152 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/246 variables, 152/377 constraints. Problems are: Problem set: 24 solved, 152 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:03] [INFO ] Deduced a trap composed of 15 places in 81 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:03] [INFO ] Deduced a trap composed of 14 places in 74 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:03] [INFO ] Deduced a trap composed of 15 places in 58 ms of which 5 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/246 variables, 3/380 constraints. Problems are: Problem set: 24 solved, 152 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:04] [INFO ] Deduced a trap composed of 13 places in 57 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:05] [INFO ] Deduced a trap composed of 16 places in 62 ms of which 5 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/246 variables, 2/382 constraints. Problems are: Problem set: 24 solved, 152 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:07] [INFO ] Deduced a trap composed of 14 places in 59 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:07] [INFO ] Deduced a trap composed of 15 places in 57 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:07] [INFO ] Deduced a trap composed of 16 places in 65 ms of which 6 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/246 variables, 3/385 constraints. Problems are: Problem set: 24 solved, 152 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:09] [INFO ] Deduced a trap composed of 13 places in 70 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:09] [INFO ] Deduced a trap composed of 14 places in 62 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:09] [INFO ] Deduced a trap composed of 15 places in 59 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:10] [INFO ] Deduced a trap composed of 16 places in 84 ms of which 6 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/246 variables, 4/389 constraints. Problems are: Problem set: 24 solved, 152 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:12] [INFO ] Deduced a trap along path composed of 4 places in 34 ms of which 12 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/246 variables, 1/390 constraints. Problems are: Problem set: 24 solved, 152 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:18] [INFO ] Deduced a trap composed of 16 places in 71 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:18] [INFO ] Deduced a trap composed of 16 places in 91 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:18] [INFO ] Deduced a trap composed of 16 places in 78 ms of which 5 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/246 variables, 3/393 constraints. Problems are: Problem set: 24 solved, 152 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:20] [INFO ] Deduced a trap composed of 16 places in 106 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:21] [INFO ] Deduced a trap composed of 13 places in 53 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:21] [INFO ] Deduced a trap composed of 16 places in 61 ms of which 6 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/246 variables, 3/396 constraints. Problems are: Problem set: 24 solved, 152 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:24] [INFO ] Deduced a trap composed of 14 places in 98 ms of which 6 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/246 variables, 1/397 constraints. Problems are: Problem set: 24 solved, 152 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:28] [INFO ] Deduced a trap composed of 15 places in 89 ms of which 6 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/246 variables, 1/398 constraints. Problems are: Problem set: 24 solved, 152 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 246/246 variables, and 398 constraints, problems are : Problem set: 24 solved, 152 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 26/26 constraints, State Equation: 102/102 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 152/176 constraints, Known Traps: 77/77 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 41900ms problems are : Problem set: 24 solved, 152 unsolved
Search for dead transitions found 24 dead transitions in 41914ms
Found 24 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 24 transitions
Dead transitions reduction (with SMT) removed 24 transitions
Starting structural reductions in LTL mode, iteration 1 : 102/102 places, 156/180 transitions.
Applied a total of 0 rules in 2 ms. Remains 102 /102 variables (removed 0) and now considering 156/156 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 42834 ms. Remains : 102/102 places, 156/180 transitions.
Support contains 68 out of 102 places after structural reductions.
[2025-06-02 13:45:30] [INFO ] Flatten gal took : 40 ms
[2025-06-02 13:45:30] [INFO ] Flatten gal took : 23 ms
[2025-06-02 13:45:30] [INFO ] Input system was already deterministic with 156 transitions.
RANDOM walk for 40000 steps (8 resets) in 957 ms. (41 steps per ms) remains 1/25 properties
BEST_FIRST walk for 40004 steps (8 resets) in 243 ms. (163 steps per ms) remains 1/1 properties
[2025-06-02 13:45:31] [INFO ] Flow matrix only has 128 transitions (discarded 28 similar events)
// Phase 1: matrix 128 rows 102 cols
[2025-06-02 13:45:31] [INFO ] Computed 26 invariants in 3 ms
[2025-06-02 13:45:31] [INFO ] State equation strengthened by 36 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 80/84 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/84 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 128/212 variables, 84/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/212 variables, 36/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/212 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 18/230 variables, 18/158 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/230 variables, 6/164 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/230 variables, 0/164 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/230 variables, 0/164 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 230/230 variables, and 164 constraints, problems are : Problem set: 0 solved, 1 unsolved in 86 ms.
Refiners :[Positive P Invariants (semi-flows): 26/26 constraints, State Equation: 102/102 constraints, ReadFeed: 36/36 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 80/84 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/84 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 128/212 variables, 84/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/212 variables, 36/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/212 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/230 variables, 18/158 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/230 variables, 6/164 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/230 variables, 1/165 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/230 variables, 0/165 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/230 variables, 0/165 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 230/230 variables, and 165 constraints, problems are : Problem set: 0 solved, 1 unsolved in 134 ms.
Refiners :[Positive P Invariants (semi-flows): 26/26 constraints, State Equation: 102/102 constraints, ReadFeed: 36/36 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 232ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 12 ms.
Support contains 4 out of 102 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 102/102 places, 156/156 transitions.
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 8 rules applied. Total rules applied 8 place count 98 transition count 152
Free-agglomeration rule (complex) applied 4 times.
Iterating global reduction 0 with 4 rules applied. Total rules applied 12 place count 98 transition count 148
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 16 place count 94 transition count 148
Applied a total of 16 rules in 24 ms. Remains 94 /102 variables (removed 8) and now considering 148/156 (removed 8) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25 ms. Remains : 94/102 places, 148/156 transitions.
RANDOM walk for 40000 steps (8 resets) in 385 ms. (103 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 105 ms. (377 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1466404 steps, run timeout after 3001 ms. (steps per millisecond=488 ) properties seen :0 out of 1
Probabilistic random walk after 1466404 steps, saw 336938 distinct states, run finished after 3005 ms. (steps per millisecond=487 ) properties seen :0
[2025-06-02 13:45:34] [INFO ] Flow matrix only has 120 transitions (discarded 28 similar events)
// Phase 1: matrix 120 rows 94 cols
[2025-06-02 13:45:34] [INFO ] Computed 26 invariants in 1 ms
[2025-06-02 13:45:34] [INFO ] State equation strengthened by 36 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 72/76 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 120/196 variables, 76/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/196 variables, 36/132 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/196 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 18/214 variables, 18/150 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/214 variables, 6/156 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/214 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/214 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 214/214 variables, and 156 constraints, problems are : Problem set: 0 solved, 1 unsolved in 136 ms.
Refiners :[Positive P Invariants (semi-flows): 26/26 constraints, State Equation: 94/94 constraints, ReadFeed: 36/36 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 72/76 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 120/196 variables, 76/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/196 variables, 36/132 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/196 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/214 variables, 18/150 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/214 variables, 6/156 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/214 variables, 1/157 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/214 variables, 0/157 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/214 variables, 0/157 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 214/214 variables, and 157 constraints, problems are : Problem set: 0 solved, 1 unsolved in 103 ms.
Refiners :[Positive P Invariants (semi-flows): 26/26 constraints, State Equation: 94/94 constraints, ReadFeed: 36/36 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 250ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 8 ms.
Support contains 4 out of 94 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 94/94 places, 148/148 transitions.
Applied a total of 0 rules in 6 ms. Remains 94 /94 variables (removed 0) and now considering 148/148 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 94/94 places, 148/148 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 94/94 places, 148/148 transitions.
Applied a total of 0 rules in 5 ms. Remains 94 /94 variables (removed 0) and now considering 148/148 (removed 0) transitions.
[2025-06-02 13:45:34] [INFO ] Flow matrix only has 120 transitions (discarded 28 similar events)
[2025-06-02 13:45:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:45:34] [INFO ] Implicit Places using invariants in 115 ms returned [62, 63, 64, 65]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 118 ms to find 4 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 90/94 places, 148/148 transitions.
Applied a total of 0 rules in 5 ms. Remains 90 /90 variables (removed 0) and now considering 148/148 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 128 ms. Remains : 90/94 places, 148/148 transitions.
RANDOM walk for 40000 steps (8 resets) in 191 ms. (208 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (8 resets) in 94 ms. (421 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1566629 steps, run timeout after 3001 ms. (steps per millisecond=522 ) properties seen :0 out of 1
Probabilistic random walk after 1566629 steps, saw 355810 distinct states, run finished after 3001 ms. (steps per millisecond=522 ) properties seen :0
[2025-06-02 13:45:38] [INFO ] Flow matrix only has 120 transitions (discarded 28 similar events)
// Phase 1: matrix 120 rows 90 cols
[2025-06-02 13:45:38] [INFO ] Computed 22 invariants in 4 ms
[2025-06-02 13:45:38] [INFO ] State equation strengthened by 20 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 68/72 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/72 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 120/192 variables, 72/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/192 variables, 20/108 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 18/210 variables, 18/126 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/210 variables, 6/132 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/210 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/210 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 210/210 variables, and 132 constraints, problems are : Problem set: 0 solved, 1 unsolved in 87 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 90/90 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 68/72 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/72 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 120/192 variables, 72/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/192 variables, 20/108 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/210 variables, 18/126 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/210 variables, 6/132 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/210 variables, 1/133 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/210 variables, 0/133 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/210 variables, 0/133 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 210/210 variables, and 133 constraints, problems are : Problem set: 0 solved, 1 unsolved in 125 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 90/90 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 232ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 6 ms.
Support contains 4 out of 90 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 90/90 places, 148/148 transitions.
Applied a total of 0 rules in 5 ms. Remains 90 /90 variables (removed 0) and now considering 148/148 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 90/90 places, 148/148 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 90/90 places, 148/148 transitions.
Applied a total of 0 rules in 4 ms. Remains 90 /90 variables (removed 0) and now considering 148/148 (removed 0) transitions.
[2025-06-02 13:45:38] [INFO ] Flow matrix only has 120 transitions (discarded 28 similar events)
[2025-06-02 13:45:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:45:38] [INFO ] Implicit Places using invariants in 117 ms returned []
[2025-06-02 13:45:38] [INFO ] Flow matrix only has 120 transitions (discarded 28 similar events)
[2025-06-02 13:45:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:45:38] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-02 13:45:38] [INFO ] Implicit Places using invariants and state equation in 167 ms returned []
Implicit Place search using SMT with State Equation took 285 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 13:45:38] [INFO ] Redundant transitions in 3 ms returned []
Running 144 sub problems to find dead transitions.
[2025-06-02 13:45:38] [INFO ] Flow matrix only has 120 transitions (discarded 28 similar events)
[2025-06-02 13:45:38] [INFO ] Invariant cache hit.
[2025-06-02 13:45:38] [INFO ] State equation strengthened by 20 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/86 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/86 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 2 (OVERLAPS) 4/90 variables, 16/22 constraints. Problems are: Problem set: 0 solved, 144 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:39] [INFO ] Deduced a trap composed of 6 places in 60 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:39] [INFO ] Deduced a trap composed of 6 places in 63 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:39] [INFO ] Deduced a trap composed of 6 places in 55 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:39] [INFO ] Deduced a trap composed of 6 places in 64 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:39] [INFO ] Deduced a trap composed of 6 places in 59 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:39] [INFO ] Deduced a trap composed of 9 places in 49 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:40] [INFO ] Deduced a trap composed of 9 places in 62 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:40] [INFO ] Deduced a trap composed of 10 places in 68 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:40] [INFO ] Deduced a trap composed of 12 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:40] [INFO ] Deduced a trap composed of 12 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:40] [INFO ] Deduced a trap composed of 10 places in 57 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:40] [INFO ] Deduced a trap composed of 9 places in 59 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:40] [INFO ] Deduced a trap composed of 12 places in 45 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:40] [INFO ] Deduced a trap composed of 9 places in 53 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:40] [INFO ] Deduced a trap composed of 9 places in 61 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:40] [INFO ] Deduced a trap composed of 9 places in 56 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:40] [INFO ] Deduced a trap composed of 15 places in 52 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:40] [INFO ] Deduced a trap composed of 7 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:40] [INFO ] Deduced a trap composed of 15 places in 57 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:40] [INFO ] Deduced a trap composed of 15 places in 81 ms of which 6 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/90 variables, 20/42 constraints. Problems are: Problem set: 0 solved, 144 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:41] [INFO ] Deduced a trap composed of 12 places in 61 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:41] [INFO ] Deduced a trap composed of 9 places in 57 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:41] [INFO ] Deduced a trap composed of 10 places in 58 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:41] [INFO ] Deduced a trap composed of 14 places in 61 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:41] [INFO ] Deduced a trap composed of 15 places in 61 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:41] [INFO ] Deduced a trap composed of 15 places in 60 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:41] [INFO ] Deduced a trap composed of 21 places in 54 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:41] [INFO ] Deduced a trap composed of 21 places in 62 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:41] [INFO ] Deduced a trap composed of 7 places in 55 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:41] [INFO ] Deduced a trap composed of 21 places in 39 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:41] [INFO ] Deduced a trap composed of 12 places in 58 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:41] [INFO ] Deduced a trap composed of 12 places in 47 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:41] [INFO ] Deduced a trap composed of 12 places in 55 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:42] [INFO ] Deduced a trap composed of 12 places in 59 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:42] [INFO ] Deduced a trap composed of 13 places in 59 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:42] [INFO ] Deduced a trap composed of 13 places in 59 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:42] [INFO ] Deduced a trap composed of 7 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:42] [INFO ] Deduced a trap composed of 7 places in 25 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:42] [INFO ] Deduced a trap composed of 12 places in 47 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:42] [INFO ] Deduced a trap composed of 21 places in 65 ms of which 6 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/90 variables, 20/62 constraints. Problems are: Problem set: 0 solved, 144 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:42] [INFO ] Deduced a trap composed of 12 places in 61 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:42] [INFO ] Deduced a trap composed of 15 places in 60 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:42] [INFO ] Deduced a trap composed of 15 places in 55 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:42] [INFO ] Deduced a trap composed of 9 places in 45 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:42] [INFO ] Deduced a trap composed of 12 places in 51 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:42] [INFO ] Deduced a trap composed of 12 places in 49 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:43] [INFO ] Deduced a trap composed of 12 places in 63 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:43] [INFO ] Deduced a trap composed of 14 places in 61 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:43] [INFO ] Deduced a trap composed of 15 places in 65 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:43] [INFO ] Deduced a trap composed of 21 places in 53 ms of which 6 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/90 variables, 10/72 constraints. Problems are: Problem set: 0 solved, 144 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:43] [INFO ] Deduced a trap composed of 14 places in 49 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:43] [INFO ] Deduced a trap composed of 14 places in 68 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:43] [INFO ] Deduced a trap composed of 14 places in 52 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:44] [INFO ] Deduced a trap composed of 21 places in 57 ms of which 6 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/90 variables, 4/76 constraints. Problems are: Problem set: 0 solved, 144 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:44] [INFO ] Deduced a trap composed of 15 places in 58 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:44] [INFO ] Deduced a trap composed of 15 places in 56 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:44] [INFO ] Deduced a trap composed of 12 places in 58 ms of which 5 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/90 variables, 3/79 constraints. Problems are: Problem set: 0 solved, 144 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:44] [INFO ] Deduced a trap composed of 14 places in 59 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:45] [INFO ] Deduced a trap composed of 21 places in 60 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:45] [INFO ] Deduced a trap composed of 21 places in 49 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:45] [INFO ] Deduced a trap composed of 15 places in 57 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:45] [INFO ] Deduced a trap composed of 15 places in 52 ms of which 3 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/90 variables, 5/84 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/90 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 10 (OVERLAPS) 120/210 variables, 90/174 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/210 variables, 20/194 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/210 variables, 0/194 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 13 (OVERLAPS) 0/210 variables, 0/194 constraints. Problems are: Problem set: 0 solved, 144 unsolved
No progress, stopping.
After SMT solving in domain Real declared 210/210 variables, and 194 constraints, problems are : Problem set: 0 solved, 144 unsolved in 10062 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 90/90 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 144/144 constraints, Known Traps: 62/62 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 144 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/86 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/86 variables, 40/46 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/86 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 3 (OVERLAPS) 4/90 variables, 16/62 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/90 variables, 22/84 constraints. Problems are: Problem set: 0 solved, 144 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:49] [INFO ] Deduced a trap composed of 14 places in 55 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:49] [INFO ] Deduced a trap composed of 15 places in 60 ms of which 6 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/90 variables, 2/86 constraints. Problems are: Problem set: 0 solved, 144 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:49] [INFO ] Deduced a trap composed of 15 places in 59 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:49] [INFO ] Deduced a trap composed of 14 places in 58 ms of which 5 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/90 variables, 2/88 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/90 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 8 (OVERLAPS) 120/210 variables, 90/178 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/210 variables, 20/198 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/210 variables, 144/342 constraints. Problems are: Problem set: 0 solved, 144 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:52] [INFO ] Deduced a trap composed of 14 places in 58 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:52] [INFO ] Deduced a trap composed of 15 places in 64 ms of which 5 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/210 variables, 2/344 constraints. Problems are: Problem set: 0 solved, 144 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:53] [INFO ] Deduced a trap composed of 14 places in 64 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:54] [INFO ] Deduced a trap composed of 14 places in 66 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:54] [INFO ] Deduced a trap composed of 15 places in 61 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:54] [INFO ] Deduced a trap composed of 15 places in 62 ms of which 3 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/210 variables, 4/348 constraints. Problems are: Problem set: 0 solved, 144 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:57] [INFO ] Deduced a trap composed of 14 places in 53 ms of which 6 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/210 variables, 1/349 constraints. Problems are: Problem set: 0 solved, 144 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:58] [INFO ] Deduced a trap composed of 14 places in 58 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:58] [INFO ] Deduced a trap composed of 14 places in 52 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:58] [INFO ] Deduced a trap composed of 15 places in 49 ms of which 4 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/210 variables, 3/352 constraints. Problems are: Problem set: 0 solved, 144 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:01] [INFO ] Deduced a trap along path composed of 4 places in 27 ms of which 2 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/210 variables, 1/353 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/210 variables, 0/353 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 17 (OVERLAPS) 0/210 variables, 0/353 constraints. Problems are: Problem set: 0 solved, 144 unsolved
No progress, stopping.
After SMT solving in domain Int declared 210/210 variables, and 353 constraints, problems are : Problem set: 0 solved, 144 unsolved in 26625 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 90/90 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 144/144 constraints, Known Traps: 76/76 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 36717ms problems are : Problem set: 0 solved, 144 unsolved
Search for dead transitions found 0 dead transitions in 36720ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37025 ms. Remains : 90/90 places, 148/148 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 28 transitions
Reduce isomorphic transitions removed 28 transitions.
Iterating post reduction 0 with 28 rules applied. Total rules applied 28 place count 90 transition count 120
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 16 Pre rules applied. Total rules applied 28 place count 90 transition count 104
Deduced a syphon composed of 16 places in 0 ms
Ensure Unique test removed 12 places
Reduce places removed 28 places and 0 transitions.
Iterating global reduction 1 with 44 rules applied. Total rules applied 72 place count 62 transition count 104
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 1 with 8 rules applied. Total rules applied 80 place count 58 transition count 100
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: -12
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 1 with 8 rules applied. Total rules applied 88 place count 54 transition count 112
Free-agglomeration rule applied 4 times.
Iterating global reduction 1 with 4 rules applied. Total rules applied 92 place count 54 transition count 108
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 96 place count 50 transition count 108
Partial Free-agglomeration rule applied 4 times.
Drop transitions (Partial Free agglomeration) removed 4 transitions
Iterating global reduction 2 with 4 rules applied. Total rules applied 100 place count 50 transition count 108
Partial Post-agglomeration rule applied 4 times.
Drop transitions (Partial Post agglomeration) removed 4 transitions
Iterating global reduction 2 with 4 rules applied. Total rules applied 104 place count 50 transition count 108
Applied a total of 104 rules in 37 ms. Remains 50 /90 variables (removed 40) and now considering 108/148 (removed 40) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 108 rows 50 cols
[2025-06-02 13:46:15] [INFO ] Computed 10 invariants in 2 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-02 13:46:15] [INFO ] [Real]Absence check using 10 positive place invariants in 2 ms returned sat
[2025-06-02 13:46:15] [INFO ] After 66ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-02 13:46:15] [INFO ] [Nat]Absence check using 10 positive place invariants in 2 ms returned sat
[2025-06-02 13:46:15] [INFO ] After 28ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-02 13:46:15] [INFO ] After 37ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-02 13:46:15] [INFO ] After 72ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 190 ms.
Computed a total of 1 stabilizing places and 4 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(p0)&&F((G(F(p1))||(F(p1)&&X(p2)))))))'
Support contains 20 out of 102 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 102/102 places, 156/156 transitions.
Applied a total of 0 rules in 1 ms. Remains 102 /102 variables (removed 0) and now considering 156/156 (removed 0) transitions.
[2025-06-02 13:46:16] [INFO ] Flow matrix only has 128 transitions (discarded 28 similar events)
// Phase 1: matrix 128 rows 102 cols
[2025-06-02 13:46:16] [INFO ] Computed 26 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:46:16] [INFO ] Implicit Places using invariants in 91 ms returned [66, 67, 68, 69]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 91 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 98/102 places, 156/156 transitions.
Applied a total of 0 rules in 2 ms. Remains 98 /98 variables (removed 0) and now considering 156/156 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 94 ms. Remains : 98/102 places, 156/156 transitions.
Stuttering acceptance computed with spot in 383 ms :[(OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (NOT p0), (NOT p1), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : LamportFastMutEx-COL-4-LTLCardinality-00
Product exploration explored 100000 steps with 1252 reset in 240 ms.
Stack based approach found an accepted trace after 49 steps with 4 reset with depth 33 and stack size 33 in 0 ms.
FORMULA LamportFastMutEx-COL-4-LTLCardinality-00 FALSE TECHNIQUES STACK_TEST
Treatment of property LamportFastMutEx-COL-4-LTLCardinality-00 finished in 801 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(G(p1)))))'
Support contains 8 out of 102 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 102/102 places, 156/156 transitions.
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 8 rules applied. Total rules applied 8 place count 98 transition count 152
Applied a total of 8 rules in 23 ms. Remains 98 /102 variables (removed 4) and now considering 152/156 (removed 4) transitions.
[2025-06-02 13:46:16] [INFO ] Flow matrix only has 124 transitions (discarded 28 similar events)
// Phase 1: matrix 124 rows 98 cols
[2025-06-02 13:46:16] [INFO ] Computed 26 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:46:16] [INFO ] Implicit Places using invariants in 77 ms returned [62, 63, 64, 65]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 78 ms to find 4 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 94/102 places, 152/156 transitions.
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 4 Pre rules applied. Total rules applied 0 place count 94 transition count 148
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 8 rules applied. Total rules applied 8 place count 90 transition count 148
Applied a total of 8 rules in 6 ms. Remains 90 /94 variables (removed 4) and now considering 148/152 (removed 4) transitions.
[2025-06-02 13:46:16] [INFO ] Flow matrix only has 120 transitions (discarded 28 similar events)
// Phase 1: matrix 120 rows 90 cols
[2025-06-02 13:46:16] [INFO ] Computed 22 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:46:16] [INFO ] Implicit Places using invariants in 84 ms returned []
[2025-06-02 13:46:16] [INFO ] Flow matrix only has 120 transitions (discarded 28 similar events)
[2025-06-02 13:46:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:46:17] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-02 13:46:17] [INFO ] Implicit Places using invariants and state equation in 162 ms returned []
Implicit Place search using SMT with State Equation took 247 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 90/102 places, 148/156 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 354 ms. Remains : 90/102 places, 148/156 transitions.
Stuttering acceptance computed with spot in 126 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : LamportFastMutEx-COL-4-LTLCardinality-01
Product exploration explored 100000 steps with 0 reset in 198 ms.
Stack based approach found an accepted trace after 133 steps with 0 reset with depth 134 and stack size 134 in 0 ms.
FORMULA LamportFastMutEx-COL-4-LTLCardinality-01 FALSE TECHNIQUES STACK_TEST
Treatment of property LamportFastMutEx-COL-4-LTLCardinality-01 finished in 698 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((p0 U X(G(p1))))'
Support contains 8 out of 102 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 102/102 places, 156/156 transitions.
Applied a total of 0 rules in 5 ms. Remains 102 /102 variables (removed 0) and now considering 156/156 (removed 0) transitions.
[2025-06-02 13:46:17] [INFO ] Flow matrix only has 128 transitions (discarded 28 similar events)
// Phase 1: matrix 128 rows 102 cols
[2025-06-02 13:46:17] [INFO ] Computed 26 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:46:17] [INFO ] Implicit Places using invariants in 86 ms returned [66, 67, 68, 69]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 87 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 98/102 places, 156/156 transitions.
Applied a total of 0 rules in 1 ms. Remains 98 /98 variables (removed 0) and now considering 156/156 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 93 ms. Remains : 98/102 places, 156/156 transitions.
Stuttering acceptance computed with spot in 93 ms :[(NOT p1), (NOT p1), true]
Running random walk in product with property : LamportFastMutEx-COL-4-LTLCardinality-02
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA LamportFastMutEx-COL-4-LTLCardinality-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property LamportFastMutEx-COL-4-LTLCardinality-02 finished in 209 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((p0||G(p1)) U (!p0 U p2)))'
Support contains 12 out of 102 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 102/102 places, 156/156 transitions.
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 8 rules applied. Total rules applied 8 place count 98 transition count 152
Applied a total of 8 rules in 15 ms. Remains 98 /102 variables (removed 4) and now considering 152/156 (removed 4) transitions.
[2025-06-02 13:46:17] [INFO ] Flow matrix only has 124 transitions (discarded 28 similar events)
// Phase 1: matrix 124 rows 98 cols
[2025-06-02 13:46:17] [INFO ] Computed 26 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:46:17] [INFO ] Implicit Places using invariants in 77 ms returned [62, 63, 64, 65]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 78 ms to find 4 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 94/102 places, 152/156 transitions.
Applied a total of 0 rules in 5 ms. Remains 94 /94 variables (removed 0) and now considering 152/152 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 98 ms. Remains : 94/102 places, 152/156 transitions.
Stuttering acceptance computed with spot in 189 ms :[(NOT p2), (NOT p2), (AND (NOT p1) (NOT p2) p0), true, (NOT p1)]
Running random walk in product with property : LamportFastMutEx-COL-4-LTLCardinality-03
Entered a terminal (fully accepting) state of product in 773 steps with 25 reset in 7 ms.
FORMULA LamportFastMutEx-COL-4-LTLCardinality-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property LamportFastMutEx-COL-4-LTLCardinality-03 finished in 314 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((((X(p0) U (X(G(p0))||(p0&&X(p0)))) U p1) U X((!p1||F(p2)))))'
Support contains 16 out of 102 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 102/102 places, 156/156 transitions.
Applied a total of 0 rules in 2 ms. Remains 102 /102 variables (removed 0) and now considering 156/156 (removed 0) transitions.
[2025-06-02 13:46:18] [INFO ] Flow matrix only has 128 transitions (discarded 28 similar events)
// Phase 1: matrix 128 rows 102 cols
[2025-06-02 13:46:18] [INFO ] Computed 26 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:46:18] [INFO ] Implicit Places using invariants in 81 ms returned [66, 67, 68, 69]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 82 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 98/102 places, 156/156 transitions.
Applied a total of 0 rules in 1 ms. Remains 98 /98 variables (removed 0) and now considering 156/156 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 86 ms. Remains : 98/102 places, 156/156 transitions.
Stuttering acceptance computed with spot in 240 ms :[(AND p1 (NOT p2)), (OR (AND (NOT p0) (NOT p2)) (AND p1 (NOT p2))), (AND p1 (NOT p2)), (AND p1 (NOT p2)), (AND p1 (NOT p2)), (NOT p2)]
Running random walk in product with property : LamportFastMutEx-COL-4-LTLCardinality-07
Product exploration explored 100000 steps with 50000 reset in 146 ms.
Product exploration explored 100000 steps with 50000 reset in 152 ms.
Computed a total of 1 stabilizing places and 4 stable transitions
Computed a total of 1 stabilizing places and 4 stable transitions
Knowledge obtained : [(AND (NOT p1) p0 p2), (X p2), (X (NOT (AND p1 p0 (NOT p2)))), (X (NOT (AND p1 (NOT p0) (NOT p2)))), (X (NOT (AND p1 (NOT p2)))), (X p0), (X (NOT p1)), (X (X p2)), (X (X (NOT (AND p1 p0 (NOT p2))))), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (NOT (AND p1 (NOT p2))))), (X (X p0)), (X (X (NOT p1)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 13 factoid took 18 ms. Reduced automaton from 6 states, 11 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA LamportFastMutEx-COL-4-LTLCardinality-07 TRUE TECHNIQUES KNOWLEDGE
Treatment of property LamportFastMutEx-COL-4-LTLCardinality-07 finished in 674 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 4 out of 102 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 102/102 places, 156/156 transitions.
Applied a total of 0 rules in 5 ms. Remains 102 /102 variables (removed 0) and now considering 156/156 (removed 0) transitions.
[2025-06-02 13:46:18] [INFO ] Flow matrix only has 128 transitions (discarded 28 similar events)
[2025-06-02 13:46:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:46:18] [INFO ] Implicit Places using invariants in 73 ms returned []
[2025-06-02 13:46:18] [INFO ] Flow matrix only has 128 transitions (discarded 28 similar events)
[2025-06-02 13:46:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:46:18] [INFO ] State equation strengthened by 36 read => feed constraints.
[2025-06-02 13:46:18] [INFO ] Implicit Places using invariants and state equation in 132 ms returned []
Implicit Place search using SMT with State Equation took 208 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 13:46:18] [INFO ] Redundant transitions in 4 ms returned []
Running 152 sub problems to find dead transitions.
[2025-06-02 13:46:18] [INFO ] Flow matrix only has 128 transitions (discarded 28 similar events)
[2025-06-02 13:46:18] [INFO ] Invariant cache hit.
[2025-06-02 13:46:18] [INFO ] State equation strengthened by 36 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 152 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 152 unsolved
At refinement iteration 2 (OVERLAPS) 4/102 variables, 20/26 constraints. Problems are: Problem set: 0 solved, 152 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:19] [INFO ] Deduced a trap composed of 6 places in 95 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:19] [INFO ] Deduced a trap composed of 6 places in 56 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:20] [INFO ] Deduced a trap composed of 6 places in 51 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:20] [INFO ] Deduced a trap composed of 6 places in 49 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:20] [INFO ] Deduced a trap composed of 10 places in 54 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:20] [INFO ] Deduced a trap composed of 14 places in 52 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:20] [INFO ] Deduced a trap composed of 14 places in 61 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:20] [INFO ] Deduced a trap composed of 15 places in 56 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:20] [INFO ] Deduced a trap composed of 6 places in 60 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:20] [INFO ] Deduced a trap composed of 9 places in 60 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:20] [INFO ] Deduced a trap composed of 9 places in 57 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:20] [INFO ] Deduced a trap composed of 9 places in 53 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:20] [INFO ] Deduced a trap composed of 14 places in 51 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:20] [INFO ] Deduced a trap composed of 10 places in 54 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:20] [INFO ] Deduced a trap composed of 10 places in 52 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:20] [INFO ] Deduced a trap composed of 10 places in 67 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:20] [INFO ] Deduced a trap composed of 10 places in 60 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:21] [INFO ] Deduced a trap composed of 21 places in 64 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:21] [INFO ] Deduced a trap composed of 9 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:21] [INFO ] Deduced a trap composed of 21 places in 52 ms of which 3 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/102 variables, 20/46 constraints. Problems are: Problem set: 0 solved, 152 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:21] [INFO ] Deduced a trap composed of 14 places in 63 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:21] [INFO ] Deduced a trap composed of 14 places in 65 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:21] [INFO ] Deduced a trap composed of 21 places in 58 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:21] [INFO ] Deduced a trap composed of 8 places in 50 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:21] [INFO ] Deduced a trap composed of 21 places in 56 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:21] [INFO ] Deduced a trap composed of 14 places in 61 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:21] [INFO ] Deduced a trap composed of 14 places in 48 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:21] [INFO ] Deduced a trap composed of 13 places in 65 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:22] [INFO ] Deduced a trap composed of 14 places in 67 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:22] [INFO ] Deduced a trap composed of 10 places in 70 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:22] [INFO ] Deduced a trap composed of 11 places in 60 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:22] [INFO ] Deduced a trap composed of 12 places in 55 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:22] [INFO ] Deduced a trap composed of 12 places in 53 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:22] [INFO ] Deduced a trap composed of 8 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:22] [INFO ] Deduced a trap composed of 12 places in 54 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:22] [INFO ] Deduced a trap composed of 13 places in 66 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:22] [INFO ] Deduced a trap composed of 8 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:22] [INFO ] Deduced a trap composed of 12 places in 53 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:22] [INFO ] Deduced a trap composed of 13 places in 55 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:22] [INFO ] Deduced a trap composed of 8 places in 36 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 20/66 constraints. Problems are: Problem set: 0 solved, 152 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:23] [INFO ] Deduced a trap composed of 21 places in 60 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:23] [INFO ] Deduced a trap composed of 13 places in 62 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:23] [INFO ] Deduced a trap composed of 13 places in 78 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:23] [INFO ] Deduced a trap composed of 13 places in 74 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:23] [INFO ] Deduced a trap composed of 15 places in 62 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:23] [INFO ] Deduced a trap composed of 17 places in 63 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:23] [INFO ] Deduced a trap composed of 13 places in 69 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:23] [INFO ] Deduced a trap composed of 15 places in 65 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:23] [INFO ] Deduced a trap composed of 17 places in 61 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:23] [INFO ] Deduced a trap composed of 15 places in 59 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:23] [INFO ] Deduced a trap composed of 16 places in 63 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:24] [INFO ] Deduced a trap composed of 17 places in 65 ms of which 7 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/102 variables, 12/78 constraints. Problems are: Problem set: 0 solved, 152 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:24] [INFO ] Deduced a trap composed of 6 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:24] [INFO ] Deduced a trap composed of 14 places in 62 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:24] [INFO ] Deduced a trap composed of 21 places in 65 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:24] [INFO ] Deduced a trap composed of 13 places in 54 ms of which 5 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/102 variables, 4/82 constraints. Problems are: Problem set: 0 solved, 152 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:25] [INFO ] Deduced a trap composed of 21 places in 52 ms of which 6 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/102 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 152 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/102 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 152 unsolved
At refinement iteration 9 (OVERLAPS) 128/230 variables, 102/185 constraints. Problems are: Problem set: 0 solved, 152 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/230 variables, 36/221 constraints. Problems are: Problem set: 0 solved, 152 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/230 variables, 0/221 constraints. Problems are: Problem set: 0 solved, 152 unsolved
At refinement iteration 12 (OVERLAPS) 0/230 variables, 0/221 constraints. Problems are: Problem set: 0 solved, 152 unsolved
No progress, stopping.
After SMT solving in domain Real declared 230/230 variables, and 221 constraints, problems are : Problem set: 0 solved, 152 unsolved in 10579 ms.
Refiners :[Positive P Invariants (semi-flows): 26/26 constraints, State Equation: 102/102 constraints, ReadFeed: 36/36 constraints, PredecessorRefiner: 152/152 constraints, Known Traps: 57/57 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 152 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 152 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 38/44 constraints. Problems are: Problem set: 0 solved, 152 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/98 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 152 unsolved
At refinement iteration 3 (OVERLAPS) 4/102 variables, 20/64 constraints. Problems are: Problem set: 0 solved, 152 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 19/83 constraints. Problems are: Problem set: 0 solved, 152 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:30] [INFO ] Deduced a trap composed of 16 places in 74 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/102 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 152 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/102 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 152 unsolved
At refinement iteration 7 (OVERLAPS) 128/230 variables, 102/186 constraints. Problems are: Problem set: 0 solved, 152 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/230 variables, 36/222 constraints. Problems are: Problem set: 0 solved, 152 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/230 variables, 152/374 constraints. Problems are: Problem set: 0 solved, 152 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:32] [INFO ] Deduced a trap composed of 13 places in 65 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:32] [INFO ] Deduced a trap composed of 16 places in 65 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:33] [INFO ] Deduced a trap composed of 15 places in 52 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:33] [INFO ] Deduced a trap composed of 15 places in 63 ms of which 6 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/230 variables, 4/378 constraints. Problems are: Problem set: 0 solved, 152 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:34] [INFO ] Deduced a trap composed of 14 places in 59 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:35] [INFO ] Deduced a trap composed of 16 places in 69 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:35] [INFO ] Deduced a trap composed of 16 places in 61 ms of which 6 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/230 variables, 3/381 constraints. Problems are: Problem set: 0 solved, 152 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:37] [INFO ] Deduced a trap composed of 13 places in 66 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:37] [INFO ] Deduced a trap composed of 15 places in 64 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:38] [INFO ] Deduced a trap composed of 14 places in 56 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:38] [INFO ] Deduced a trap composed of 15 places in 57 ms of which 6 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/230 variables, 4/385 constraints. Problems are: Problem set: 0 solved, 152 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:40] [INFO ] Deduced a trap composed of 15 places in 58 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:40] [INFO ] Deduced a trap composed of 16 places in 54 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:40] [INFO ] Deduced a trap composed of 16 places in 63 ms of which 6 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/230 variables, 3/388 constraints. Problems are: Problem set: 0 solved, 152 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:42] [INFO ] Deduced a trap composed of 13 places in 68 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:42] [INFO ] Deduced a trap composed of 16 places in 64 ms of which 6 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/230 variables, 2/390 constraints. Problems are: Problem set: 0 solved, 152 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:44] [INFO ] Deduced a trap composed of 13 places in 76 ms of which 32 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/230 variables, 1/391 constraints. Problems are: Problem set: 0 solved, 152 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:48] [INFO ] Deduced a trap along path composed of 4 places in 42 ms of which 1 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/230 variables, 1/392 constraints. Problems are: Problem set: 0 solved, 152 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:53] [INFO ] Deduced a trap composed of 14 places in 68 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:54] [INFO ] Deduced a trap composed of 16 places in 69 ms of which 5 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/230 variables, 2/394 constraints. Problems are: Problem set: 0 solved, 152 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 230/230 variables, and 394 constraints, problems are : Problem set: 0 solved, 152 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 26/26 constraints, State Equation: 102/102 constraints, ReadFeed: 36/36 constraints, PredecessorRefiner: 152/152 constraints, Known Traps: 77/77 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 40629ms problems are : Problem set: 0 solved, 152 unsolved
Search for dead transitions found 0 dead transitions in 40631ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 40853 ms. Remains : 102/102 places, 156/156 transitions.
Stuttering acceptance computed with spot in 37 ms :[(NOT p0)]
Running random walk in product with property : LamportFastMutEx-COL-4-LTLCardinality-08
Product exploration explored 100000 steps with 0 reset in 170 ms.
Stack based approach found an accepted trace after 163 steps with 0 reset with depth 164 and stack size 164 in 1 ms.
FORMULA LamportFastMutEx-COL-4-LTLCardinality-08 FALSE TECHNIQUES STACK_TEST
Treatment of property LamportFastMutEx-COL-4-LTLCardinality-08 finished in 41072 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)&&(G(p1)||F((G(!p1)||(X(!p1)&&F(p2)))))))'
Support contains 12 out of 102 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 102/102 places, 156/156 transitions.
Applied a total of 0 rules in 2 ms. Remains 102 /102 variables (removed 0) and now considering 156/156 (removed 0) transitions.
[2025-06-02 13:46:59] [INFO ] Flow matrix only has 128 transitions (discarded 28 similar events)
[2025-06-02 13:46:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:46:59] [INFO ] Implicit Places using invariants in 168 ms returned [66, 67, 68, 69]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 179 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 98/102 places, 156/156 transitions.
Applied a total of 0 rules in 2 ms. Remains 98 /98 variables (removed 0) and now considering 156/156 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 184 ms. Remains : 98/102 places, 156/156 transitions.
Stuttering acceptance computed with spot in 191 ms :[(NOT p0), (NOT p0), p1, (AND p1 (NOT p2)), false, false]
Running random walk in product with property : LamportFastMutEx-COL-4-LTLCardinality-09
Product exploration explored 100000 steps with 10809 reset in 161 ms.
Product exploration explored 100000 steps with 10791 reset in 185 ms.
Computed a total of 1 stabilizing places and 4 stable transitions
Computed a total of 1 stabilizing places and 4 stable transitions
Knowledge obtained : [(AND p0 p1 p2), (X p2), (X p0), (X (NOT (AND (NOT p1) (NOT p2)))), (X (NOT (AND p1 (NOT p2)))), (X p1), (X (X p2)), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X (NOT (AND p1 (NOT p2))))), (X (X p1))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 10 factoid took 177 ms. Reduced automaton from 6 states, 13 edges and 3 AP (stutter sensitive) to 6 states, 13 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 209 ms :[false, (AND (NOT p2) p1), false, false, false, false]
RANDOM walk for 576 steps (0 resets) in 8 ms. (64 steps per ms) remains 0/5 properties
Knowledge obtained : [(AND p0 p1 p2), (X p2), (X p0), (X (NOT (AND (NOT p1) (NOT p2)))), (X (NOT (AND p1 (NOT p2)))), (X p1), (X (X p2)), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X (NOT (AND p1 (NOT p2))))), (X (X p1))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (F (NOT p1)), (F (NOT (OR (NOT p2) p1))), (F (NOT p2)), (F (NOT (OR p2 p1))), (F (NOT (OR p2 (NOT p1))))]
Knowledge based reduction with 10 factoid took 303 ms. Reduced automaton from 6 states, 13 edges and 2 AP (stutter insensitive) to 6 states, 13 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 182 ms :[false, (AND (NOT p2) p1), false, false, false, false]
Stuttering acceptance computed with spot in 191 ms :[false, (AND (NOT p2) p1), false, false, false, false]
Support contains 12 out of 98 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 98/98 places, 156/156 transitions.
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 4 Pre rules applied. Total rules applied 0 place count 98 transition count 152
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 8 rules applied. Total rules applied 8 place count 94 transition count 152
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 90 transition count 148
Applied a total of 16 rules in 13 ms. Remains 90 /98 variables (removed 8) and now considering 148/156 (removed 8) transitions.
[2025-06-02 13:47:01] [INFO ] Flow matrix only has 120 transitions (discarded 28 similar events)
// Phase 1: matrix 120 rows 90 cols
[2025-06-02 13:47:01] [INFO ] Computed 22 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:47:01] [INFO ] Implicit Places using invariants in 169 ms returned []
[2025-06-02 13:47:01] [INFO ] Flow matrix only has 120 transitions (discarded 28 similar events)
[2025-06-02 13:47:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:47:01] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-02 13:47:01] [INFO ] Implicit Places using invariants and state equation in 153 ms returned []
Implicit Place search using SMT with State Equation took 326 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 13:47:01] [INFO ] Redundant transitions in 7 ms returned []
Running 144 sub problems to find dead transitions.
[2025-06-02 13:47:01] [INFO ] Flow matrix only has 120 transitions (discarded 28 similar events)
[2025-06-02 13:47:01] [INFO ] Invariant cache hit.
[2025-06-02 13:47:01] [INFO ] State equation strengthened by 20 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/86 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/86 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 2 (OVERLAPS) 4/90 variables, 16/22 constraints. Problems are: Problem set: 0 solved, 144 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:02] [INFO ] Deduced a trap composed of 6 places in 76 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:03] [INFO ] Deduced a trap composed of 6 places in 86 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:03] [INFO ] Deduced a trap composed of 6 places in 74 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:03] [INFO ] Deduced a trap composed of 6 places in 74 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:03] [INFO ] Deduced a trap composed of 6 places in 73 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:03] [INFO ] Deduced a trap composed of 6 places in 71 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:03] [INFO ] Deduced a trap composed of 11 places in 63 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:03] [INFO ] Deduced a trap composed of 11 places in 67 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:03] [INFO ] Deduced a trap composed of 10 places in 62 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:03] [INFO ] Deduced a trap composed of 9 places in 60 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:03] [INFO ] Deduced a trap composed of 9 places in 74 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:03] [INFO ] Deduced a trap composed of 9 places in 85 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:04] [INFO ] Deduced a trap composed of 9 places in 91 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:04] [INFO ] Deduced a trap composed of 9 places in 75 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:04] [INFO ] Deduced a trap composed of 21 places in 73 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:04] [INFO ] Deduced a trap composed of 9 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:04] [INFO ] Deduced a trap composed of 9 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:04] [INFO ] Deduced a trap composed of 21 places in 57 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:04] [INFO ] Deduced a trap composed of 7 places in 49 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:04] [INFO ] Deduced a trap composed of 21 places in 58 ms of which 3 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/90 variables, 20/42 constraints. Problems are: Problem set: 0 solved, 144 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:04] [INFO ] Deduced a trap composed of 12 places in 40 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:04] [INFO ] Deduced a trap composed of 9 places in 47 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:05] [INFO ] Deduced a trap composed of 12 places in 63 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:05] [INFO ] Deduced a trap composed of 15 places in 87 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:05] [INFO ] Deduced a trap composed of 12 places in 83 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:05] [INFO ] Deduced a trap composed of 7 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:05] [INFO ] Deduced a trap composed of 10 places in 60 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:05] [INFO ] Deduced a trap composed of 12 places in 60 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:05] [INFO ] Deduced a trap composed of 12 places in 48 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:05] [INFO ] Deduced a trap composed of 7 places in 21 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:05] [INFO ] Deduced a trap composed of 7 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:05] [INFO ] Deduced a trap composed of 21 places in 59 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:05] [INFO ] Deduced a trap composed of 21 places in 83 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:05] [INFO ] Deduced a trap composed of 21 places in 63 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:05] [INFO ] Deduced a trap composed of 14 places in 79 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:06] [INFO ] Deduced a trap composed of 14 places in 77 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:06] [INFO ] Deduced a trap composed of 14 places in 79 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:06] [INFO ] Deduced a trap composed of 13 places in 69 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:06] [INFO ] Deduced a trap composed of 15 places in 62 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:06] [INFO ] Deduced a trap composed of 12 places in 75 ms of which 5 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/90 variables, 20/62 constraints. Problems are: Problem set: 0 solved, 144 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:06] [INFO ] Deduced a trap composed of 12 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:06] [INFO ] Deduced a trap composed of 12 places in 66 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:06] [INFO ] Deduced a trap composed of 12 places in 69 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:06] [INFO ] Deduced a trap composed of 16 places in 69 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:07] [INFO ] Deduced a trap composed of 16 places in 126 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:07] [INFO ] Deduced a trap composed of 15 places in 64 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:07] [INFO ] Deduced a trap composed of 21 places in 49 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:07] [INFO ] Deduced a trap composed of 12 places in 73 ms of which 5 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/90 variables, 8/70 constraints. Problems are: Problem set: 0 solved, 144 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:07] [INFO ] Deduced a trap composed of 15 places in 80 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:07] [INFO ] Deduced a trap composed of 15 places in 71 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:07] [INFO ] Deduced a trap composed of 15 places in 70 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:07] [INFO ] Deduced a trap composed of 14 places in 61 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:08] [INFO ] Deduced a trap composed of 15 places in 83 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:08] [INFO ] Deduced a trap composed of 16 places in 71 ms of which 6 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/90 variables, 6/76 constraints. Problems are: Problem set: 0 solved, 144 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:08] [INFO ] Deduced a trap composed of 14 places in 60 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:08] [INFO ] Deduced a trap composed of 14 places in 71 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:08] [INFO ] Deduced a trap composed of 14 places in 71 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/90 variables, 3/79 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/90 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 9 (OVERLAPS) 120/210 variables, 90/169 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/210 variables, 20/189 constraints. Problems are: Problem set: 0 solved, 144 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:10] [INFO ] Deduced a trap composed of 14 places in 59 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:10] [INFO ] Deduced a trap composed of 14 places in 60 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:10] [INFO ] Deduced a trap composed of 14 places in 63 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:10] [INFO ] Deduced a trap composed of 12 places in 61 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:10] [INFO ] Deduced a trap composed of 12 places in 67 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:11] [INFO ] Deduced a trap composed of 21 places in 53 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/210 variables, 6/195 constraints. Problems are: Problem set: 0 solved, 144 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:11] [INFO ] Deduced a trap composed of 14 places in 59 ms of which 2 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/210 variables, 1/196 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/210 variables, 0/196 constraints. Problems are: Problem set: 0 solved, 144 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:13] [INFO ] Deduced a trap composed of 14 places in 45 ms of which 3 ms to minimize.
At refinement iteration 14 (OVERLAPS) 0/210 variables, 1/197 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/210 variables, 0/197 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 16 (OVERLAPS) 0/210 variables, 0/197 constraints. Problems are: Problem set: 0 solved, 144 unsolved
No progress, stopping.
After SMT solving in domain Real declared 210/210 variables, and 197 constraints, problems are : Problem set: 0 solved, 144 unsolved in 14028 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 90/90 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 144/144 constraints, Known Traps: 65/65 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 144 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/86 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/86 variables, 43/49 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/86 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 3 (OVERLAPS) 4/90 variables, 16/65 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/90 variables, 22/87 constraints. Problems are: Problem set: 0 solved, 144 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:16] [INFO ] Deduced a trap composed of 14 places in 79 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:16] [INFO ] Deduced a trap composed of 14 places in 67 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:16] [INFO ] Deduced a trap composed of 12 places in 53 ms of which 5 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/90 variables, 3/90 constraints. Problems are: Problem set: 0 solved, 144 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:17] [INFO ] Deduced a trap composed of 12 places in 46 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/90 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/90 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 8 (OVERLAPS) 120/210 variables, 90/181 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/210 variables, 20/201 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/210 variables, 144/345 constraints. Problems are: Problem set: 0 solved, 144 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:19] [INFO ] Deduced a trap composed of 12 places in 63 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:19] [INFO ] Deduced a trap composed of 21 places in 49 ms of which 4 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/210 variables, 2/347 constraints. Problems are: Problem set: 0 solved, 144 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:21] [INFO ] Deduced a trap composed of 14 places in 65 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:21] [INFO ] Deduced a trap composed of 15 places in 64 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:21] [INFO ] Deduced a trap composed of 15 places in 82 ms of which 3 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/210 variables, 3/350 constraints. Problems are: Problem set: 0 solved, 144 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:24] [INFO ] Deduced a trap along path composed of 4 places in 33 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/210 variables, 1/351 constraints. Problems are: Problem set: 0 solved, 144 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:28] [INFO ] Deduced a trap composed of 14 places in 64 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:28] [INFO ] Deduced a trap composed of 15 places in 58 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:29] [INFO ] Deduced a trap composed of 15 places in 62 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:29] [INFO ] Deduced a trap composed of 14 places in 57 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:29] [INFO ] Deduced a trap composed of 15 places in 68 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:29] [INFO ] Deduced a trap composed of 15 places in 62 ms of which 5 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/210 variables, 6/357 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/210 variables, 0/357 constraints. Problems are: Problem set: 0 solved, 144 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:38] [INFO ] Deduced a trap composed of 14 places in 64 ms of which 6 ms to minimize.
At refinement iteration 16 (OVERLAPS) 0/210 variables, 1/358 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/210 variables, 0/358 constraints. Problems are: Problem set: 0 solved, 144 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:44] [INFO ] Deduced a trap composed of 15 places in 70 ms of which 2 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 210/210 variables, and 359 constraints, problems are : Problem set: 0 solved, 144 unsolved in 30011 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 90/90 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 144/144 constraints, Known Traps: 82/82 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 44077ms problems are : Problem set: 0 solved, 144 unsolved
Search for dead transitions found 0 dead transitions in 44078ms
Starting structural reductions in SI_LTL mode, iteration 1 : 90/98 places, 148/156 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 44449 ms. Remains : 90/98 places, 148/156 transitions.
Computed a total of 1 stabilizing places and 4 stable transitions
Computed a total of 1 stabilizing places and 4 stable transitions
Knowledge obtained : [(AND p2 p1), (X p2), (X (NOT (AND (NOT p2) p1))), (X (NOT (AND (NOT p2) (NOT p1)))), (X (NOT (AND p2 (NOT p1)))), (X p1), (X (X p2)), (X (X (NOT (AND (NOT p2) p1)))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (NOT (AND p2 (NOT p1))))), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 11 factoid took 99 ms. Reduced automaton from 6 states, 13 edges and 2 AP (stutter insensitive) to 6 states, 13 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 205 ms :[false, (AND (NOT p2) p1), false, false, false, false]
RANDOM walk for 614 steps (0 resets) in 6 ms. (87 steps per ms) remains 0/5 properties
Knowledge obtained : [(AND p2 p1), (X p2), (X (NOT (AND (NOT p2) p1))), (X (NOT (AND (NOT p2) (NOT p1)))), (X (NOT (AND p2 (NOT p1)))), (X p1), (X (X p2)), (X (X (NOT (AND (NOT p2) p1)))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (NOT (AND p2 (NOT p1))))), (X (X p1))]
False Knowledge obtained : [(F (NOT p1)), (F (NOT (OR (NOT p2) p1))), (F (NOT p2)), (F (NOT (OR p2 p1))), (F (NOT (OR p2 (NOT p1))))]
Knowledge based reduction with 11 factoid took 245 ms. Reduced automaton from 6 states, 13 edges and 2 AP (stutter insensitive) to 6 states, 13 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 192 ms :[false, (AND (NOT p2) p1), false, false, false, false]
Stuttering acceptance computed with spot in 182 ms :[false, (AND (NOT p2) p1), false, false, false, false]
Stuttering acceptance computed with spot in 186 ms :[false, (AND (NOT p2) p1), false, false, false, false]
Product exploration explored 100000 steps with 10840 reset in 151 ms.
Product exploration explored 100000 steps with 10805 reset in 225 ms.
Built C files in :
/tmp/ltsmin15567263158899007785
[2025-06-02 13:47:47] [INFO ] Computing symmetric may disable matrix : 148 transitions.
[2025-06-02 13:47:47] [INFO ] Computation of Complete disable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-02 13:47:47] [INFO ] Computing symmetric may enable matrix : 148 transitions.
[2025-06-02 13:47:47] [INFO ] Computation of Complete enable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-02 13:47:47] [INFO ] Computing Do-Not-Accords matrix : 148 transitions.
[2025-06-02 13:47:47] [INFO ] Computation of Completed DNA matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-02 13:47:47] [INFO ] Built C files in 94ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin15567263158899007785
Running compilation step : cd /tmp/ltsmin15567263158899007785;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' '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'
Compilation finished in 645 ms.
Running link step : cd /tmp/ltsmin15567263158899007785;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 44 ms.
Running LTSmin : cd /tmp/ltsmin15567263158899007785;'/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' '--hoa' '/tmp/stateBased2349385059230855444.hoa' '--buchi-type=spotba'
LTSmin run took 872 ms.
FORMULA LamportFastMutEx-COL-4-LTLCardinality-09 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property LamportFastMutEx-COL-4-LTLCardinality-09 finished in 49510 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((p0 U (G(p0)||p1)) U (G((p0 U (p1||G(p0))))||(X(X(X(X(F(p2)))))&&(p0 U (p1||G(p0)))))))'
Support contains 28 out of 102 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 102/102 places, 156/156 transitions.
Applied a total of 0 rules in 1 ms. Remains 102 /102 variables (removed 0) and now considering 156/156 (removed 0) transitions.
[2025-06-02 13:47:49] [INFO ] Flow matrix only has 128 transitions (discarded 28 similar events)
// Phase 1: matrix 128 rows 102 cols
[2025-06-02 13:47:49] [INFO ] Computed 26 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:47:49] [INFO ] Implicit Places using invariants in 98 ms returned [66, 67, 68, 69]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 107 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 98/102 places, 156/156 transitions.
Applied a total of 0 rules in 1 ms. Remains 98 /98 variables (removed 0) and now considering 156/156 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 109 ms. Remains : 98/102 places, 156/156 transitions.
Stuttering acceptance computed with spot in 440 ms :[(AND (NOT p0) (NOT p1)), true, (AND (NOT p2) (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p2), (AND (NOT p2) (NOT p0) (NOT p1)), (NOT p2), (NOT p2), (AND (NOT p2) (NOT p0) (NOT p1)), (AND (NOT p2) (NOT p0) (NOT p1)), (AND (NOT p2) (NOT p0) (NOT p1)), (AND (NOT p2) (NOT p0) (NOT p1))]
Running random walk in product with property : LamportFastMutEx-COL-4-LTLCardinality-10
Entered a terminal (fully accepting) state of product in 19 steps with 1 reset in 0 ms.
FORMULA LamportFastMutEx-COL-4-LTLCardinality-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property LamportFastMutEx-COL-4-LTLCardinality-10 finished in 568 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(p0)&&(p1||X(G((p2||X(X(p3)))))))))'
Support contains 32 out of 102 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 102/102 places, 156/156 transitions.
Applied a total of 0 rules in 1 ms. Remains 102 /102 variables (removed 0) and now considering 156/156 (removed 0) transitions.
[2025-06-02 13:47:49] [INFO ] Flow matrix only has 128 transitions (discarded 28 similar events)
[2025-06-02 13:47:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:47:49] [INFO ] Implicit Places using invariants in 69 ms returned []
[2025-06-02 13:47:49] [INFO ] Flow matrix only has 128 transitions (discarded 28 similar events)
[2025-06-02 13:47:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:47:49] [INFO ] State equation strengthened by 36 read => feed constraints.
[2025-06-02 13:47:50] [INFO ] Implicit Places using invariants and state equation in 130 ms returned []
Implicit Place search using SMT with State Equation took 226 ms to find 0 implicit places.
Running 152 sub problems to find dead transitions.
[2025-06-02 13:47:50] [INFO ] Flow matrix only has 128 transitions (discarded 28 similar events)
[2025-06-02 13:47:50] [INFO ] Invariant cache hit.
[2025-06-02 13:47:50] [INFO ] State equation strengthened by 36 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 152 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 152 unsolved
At refinement iteration 2 (OVERLAPS) 4/102 variables, 20/26 constraints. Problems are: Problem set: 0 solved, 152 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:51] [INFO ] Deduced a trap composed of 6 places in 68 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:51] [INFO ] Deduced a trap composed of 6 places in 67 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:51] [INFO ] Deduced a trap composed of 6 places in 71 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:51] [INFO ] Deduced a trap composed of 6 places in 66 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:51] [INFO ] Deduced a trap composed of 10 places in 80 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:51] [INFO ] Deduced a trap composed of 14 places in 68 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:51] [INFO ] Deduced a trap composed of 14 places in 81 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:51] [INFO ] Deduced a trap composed of 15 places in 84 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:51] [INFO ] Deduced a trap composed of 6 places in 70 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:51] [INFO ] Deduced a trap composed of 9 places in 80 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:52] [INFO ] Deduced a trap composed of 9 places in 61 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:52] [INFO ] Deduced a trap composed of 9 places in 56 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:52] [INFO ] Deduced a trap composed of 14 places in 55 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:52] [INFO ] Deduced a trap composed of 10 places in 58 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:52] [INFO ] Deduced a trap composed of 10 places in 67 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:52] [INFO ] Deduced a trap composed of 10 places in 75 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:52] [INFO ] Deduced a trap composed of 10 places in 67 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:52] [INFO ] Deduced a trap composed of 21 places in 82 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:52] [INFO ] Deduced a trap composed of 9 places in 36 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:52] [INFO ] Deduced a trap composed of 21 places in 61 ms of which 3 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/102 variables, 20/46 constraints. Problems are: Problem set: 0 solved, 152 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:53] [INFO ] Deduced a trap composed of 14 places in 56 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:53] [INFO ] Deduced a trap composed of 14 places in 74 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:53] [INFO ] Deduced a trap composed of 21 places in 66 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:53] [INFO ] Deduced a trap composed of 8 places in 60 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:53] [INFO ] Deduced a trap composed of 21 places in 70 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:53] [INFO ] Deduced a trap composed of 14 places in 83 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:53] [INFO ] Deduced a trap composed of 14 places in 80 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:53] [INFO ] Deduced a trap composed of 13 places in 65 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:53] [INFO ] Deduced a trap composed of 14 places in 77 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:53] [INFO ] Deduced a trap composed of 10 places in 77 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:53] [INFO ] Deduced a trap composed of 11 places in 66 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:54] [INFO ] Deduced a trap composed of 12 places in 66 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:54] [INFO ] Deduced a trap composed of 12 places in 56 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:54] [INFO ] Deduced a trap composed of 8 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:54] [INFO ] Deduced a trap composed of 12 places in 68 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:54] [INFO ] Deduced a trap composed of 13 places in 70 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:54] [INFO ] Deduced a trap composed of 8 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:54] [INFO ] Deduced a trap composed of 12 places in 57 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:54] [INFO ] Deduced a trap composed of 13 places in 58 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:54] [INFO ] Deduced a trap composed of 8 places in 28 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 20/66 constraints. Problems are: Problem set: 0 solved, 152 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:54] [INFO ] Deduced a trap composed of 21 places in 73 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:54] [INFO ] Deduced a trap composed of 13 places in 71 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:55] [INFO ] Deduced a trap composed of 13 places in 73 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:55] [INFO ] Deduced a trap composed of 13 places in 59 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:55] [INFO ] Deduced a trap composed of 15 places in 77 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:55] [INFO ] Deduced a trap composed of 17 places in 69 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:55] [INFO ] Deduced a trap composed of 13 places in 80 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:55] [INFO ] Deduced a trap composed of 15 places in 81 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:55] [INFO ] Deduced a trap composed of 17 places in 79 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:55] [INFO ] Deduced a trap composed of 15 places in 77 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:55] [INFO ] Deduced a trap composed of 16 places in 70 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:55] [INFO ] Deduced a trap composed of 17 places in 71 ms of which 7 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/102 variables, 12/78 constraints. Problems are: Problem set: 0 solved, 152 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:55] [INFO ] Deduced a trap composed of 6 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:56] [INFO ] Deduced a trap composed of 14 places in 58 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:56] [INFO ] Deduced a trap composed of 21 places in 66 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:56] [INFO ] Deduced a trap composed of 13 places in 47 ms of which 5 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/102 variables, 4/82 constraints. Problems are: Problem set: 0 solved, 152 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:57] [INFO ] Deduced a trap composed of 21 places in 63 ms of which 5 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/102 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 152 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/102 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 152 unsolved
At refinement iteration 9 (OVERLAPS) 128/230 variables, 102/185 constraints. Problems are: Problem set: 0 solved, 152 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/230 variables, 36/221 constraints. Problems are: Problem set: 0 solved, 152 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/230 variables, 0/221 constraints. Problems are: Problem set: 0 solved, 152 unsolved
At refinement iteration 12 (OVERLAPS) 0/230 variables, 0/221 constraints. Problems are: Problem set: 0 solved, 152 unsolved
No progress, stopping.
After SMT solving in domain Real declared 230/230 variables, and 221 constraints, problems are : Problem set: 0 solved, 152 unsolved in 11212 ms.
Refiners :[Positive P Invariants (semi-flows): 26/26 constraints, State Equation: 102/102 constraints, ReadFeed: 36/36 constraints, PredecessorRefiner: 152/152 constraints, Known Traps: 57/57 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 152 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 152 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 38/44 constraints. Problems are: Problem set: 0 solved, 152 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/98 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 152 unsolved
At refinement iteration 3 (OVERLAPS) 4/102 variables, 20/64 constraints. Problems are: Problem set: 0 solved, 152 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 19/83 constraints. Problems are: Problem set: 0 solved, 152 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:48:01] [INFO ] Deduced a trap composed of 16 places in 61 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/102 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 152 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/102 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 152 unsolved
At refinement iteration 7 (OVERLAPS) 128/230 variables, 102/186 constraints. Problems are: Problem set: 0 solved, 152 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/230 variables, 36/222 constraints. Problems are: Problem set: 0 solved, 152 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/230 variables, 152/374 constraints. Problems are: Problem set: 0 solved, 152 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:48:04] [INFO ] Deduced a trap composed of 13 places in 66 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:48:04] [INFO ] Deduced a trap composed of 16 places in 65 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:48:04] [INFO ] Deduced a trap composed of 15 places in 91 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:48:05] [INFO ] Deduced a trap composed of 15 places in 66 ms of which 5 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/230 variables, 4/378 constraints. Problems are: Problem set: 0 solved, 152 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:48:06] [INFO ] Deduced a trap composed of 14 places in 54 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:48:07] [INFO ] Deduced a trap composed of 16 places in 68 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:48:07] [INFO ] Deduced a trap composed of 16 places in 69 ms of which 6 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/230 variables, 3/381 constraints. Problems are: Problem set: 0 solved, 152 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:48:09] [INFO ] Deduced a trap composed of 13 places in 58 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:48:09] [INFO ] Deduced a trap composed of 15 places in 62 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:48:10] [INFO ] Deduced a trap composed of 14 places in 59 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:48:10] [INFO ] Deduced a trap composed of 15 places in 64 ms of which 5 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/230 variables, 4/385 constraints. Problems are: Problem set: 0 solved, 152 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:48:12] [INFO ] Deduced a trap composed of 15 places in 66 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:48:12] [INFO ] Deduced a trap composed of 16 places in 62 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:48:12] [INFO ] Deduced a trap composed of 16 places in 84 ms of which 5 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/230 variables, 3/388 constraints. Problems are: Problem set: 0 solved, 152 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:48:14] [INFO ] Deduced a trap composed of 13 places in 74 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:48:15] [INFO ] Deduced a trap composed of 16 places in 123 ms of which 6 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/230 variables, 2/390 constraints. Problems are: Problem set: 0 solved, 152 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:48:16] [INFO ] Deduced a trap composed of 13 places in 60 ms of which 4 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/230 variables, 1/391 constraints. Problems are: Problem set: 0 solved, 152 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:48:21] [INFO ] Deduced a trap along path composed of 4 places in 19 ms of which 1 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/230 variables, 1/392 constraints. Problems are: Problem set: 0 solved, 152 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:48:25] [INFO ] Deduced a trap composed of 14 places in 60 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:48:26] [INFO ] Deduced a trap composed of 16 places in 60 ms of which 5 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/230 variables, 2/394 constraints. Problems are: Problem set: 0 solved, 152 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 230/230 variables, and 394 constraints, problems are : Problem set: 0 solved, 152 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 26/26 constraints, State Equation: 102/102 constraints, ReadFeed: 36/36 constraints, PredecessorRefiner: 152/152 constraints, Known Traps: 77/77 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 41272ms problems are : Problem set: 0 solved, 152 unsolved
Search for dead transitions found 0 dead transitions in 41273ms
Finished structural reductions in LTL mode , in 1 iterations and 41500 ms. Remains : 102/102 places, 156/156 transitions.
Stuttering acceptance computed with spot in 213 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2) (NOT p3))), (OR (NOT p0) (AND (NOT p1) (NOT p2) (NOT p3))), (NOT p0), (AND (NOT p2) (NOT p3)), true, (NOT p3), (NOT p3)]
Running random walk in product with property : LamportFastMutEx-COL-4-LTLCardinality-11
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA LamportFastMutEx-COL-4-LTLCardinality-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property LamportFastMutEx-COL-4-LTLCardinality-11 finished in 41735 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0&&F(p1))))'
Support contains 8 out of 102 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 102/102 places, 156/156 transitions.
Applied a total of 0 rules in 1 ms. Remains 102 /102 variables (removed 0) and now considering 156/156 (removed 0) transitions.
[2025-06-02 13:48:31] [INFO ] Flow matrix only has 128 transitions (discarded 28 similar events)
[2025-06-02 13:48:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:48:31] [INFO ] Implicit Places using invariants in 203 ms returned [66, 67, 68, 69]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 216 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 98/102 places, 156/156 transitions.
Applied a total of 0 rules in 1 ms. Remains 98 /98 variables (removed 0) and now considering 156/156 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 218 ms. Remains : 98/102 places, 156/156 transitions.
Stuttering acceptance computed with spot in 99 ms :[(NOT p1), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true]
Running random walk in product with property : LamportFastMutEx-COL-4-LTLCardinality-12
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA LamportFastMutEx-COL-4-LTLCardinality-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property LamportFastMutEx-COL-4-LTLCardinality-12 finished in 338 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((p0 U (G(p0)||(p0&&(X(p1) U (X(G(p1))||(!p2&&X(p1)))))))))'
Support contains 16 out of 102 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 102/102 places, 156/156 transitions.
Applied a total of 0 rules in 1 ms. Remains 102 /102 variables (removed 0) and now considering 156/156 (removed 0) transitions.
[2025-06-02 13:48:31] [INFO ] Flow matrix only has 128 transitions (discarded 28 similar events)
[2025-06-02 13:48:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:48:32] [INFO ] Implicit Places using invariants in 90 ms returned [66, 67, 68, 69]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 92 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 98/102 places, 156/156 transitions.
Applied a total of 0 rules in 2 ms. Remains 98 /98 variables (removed 0) and now considering 156/156 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 96 ms. Remains : 98/102 places, 156/156 transitions.
Stuttering acceptance computed with spot in 120 ms :[(NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : LamportFastMutEx-COL-4-LTLCardinality-13
Product exploration explored 100000 steps with 5142 reset in 213 ms.
Stack based approach found an accepted trace after 714 steps with 34 reset with depth 50 and stack size 50 in 2 ms.
FORMULA LamportFastMutEx-COL-4-LTLCardinality-13 FALSE TECHNIQUES STACK_TEST
Treatment of property LamportFastMutEx-COL-4-LTLCardinality-13 finished in 450 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((p0 U X(!p0))))'
Support contains 8 out of 102 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 102/102 places, 156/156 transitions.
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 8 rules applied. Total rules applied 8 place count 98 transition count 152
Applied a total of 8 rules in 5 ms. Remains 98 /102 variables (removed 4) and now considering 152/156 (removed 4) transitions.
[2025-06-02 13:48:32] [INFO ] Flow matrix only has 124 transitions (discarded 28 similar events)
// Phase 1: matrix 124 rows 98 cols
[2025-06-02 13:48:32] [INFO ] Computed 26 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:48:32] [INFO ] Implicit Places using invariants in 84 ms returned [62, 63, 64, 65]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 85 ms to find 4 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 94/102 places, 152/156 transitions.
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 4 Pre rules applied. Total rules applied 0 place count 94 transition count 148
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 8 rules applied. Total rules applied 8 place count 90 transition count 148
Applied a total of 8 rules in 4 ms. Remains 90 /94 variables (removed 4) and now considering 148/152 (removed 4) transitions.
[2025-06-02 13:48:32] [INFO ] Flow matrix only has 120 transitions (discarded 28 similar events)
// Phase 1: matrix 120 rows 90 cols
[2025-06-02 13:48:32] [INFO ] Computed 22 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:48:32] [INFO ] Implicit Places using invariants in 107 ms returned []
[2025-06-02 13:48:32] [INFO ] Flow matrix only has 120 transitions (discarded 28 similar events)
[2025-06-02 13:48:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:48:32] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-02 13:48:32] [INFO ] Implicit Places using invariants and state equation in 120 ms returned []
Implicit Place search using SMT with State Equation took 252 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 90/102 places, 148/156 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 346 ms. Remains : 90/102 places, 148/156 transitions.
Stuttering acceptance computed with spot in 64 ms :[p0, true, p0]
Running random walk in product with property : LamportFastMutEx-COL-4-LTLCardinality-14
Entered a terminal (fully accepting) state of product in 9 steps with 0 reset in 0 ms.
FORMULA LamportFastMutEx-COL-4-LTLCardinality-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property LamportFastMutEx-COL-4-LTLCardinality-14 finished in 428 ms.
All properties solved by simple procedures.
Total runtime 226415 ms.

BK_STOP 1748872112832

--------------------
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
+ [[ LTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLCardinality -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 LTLCardinality -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="LamportFastMutEx-COL-4"
export BK_EXAMINATION="LTLCardinality"
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 LamportFastMutEx-COL-4, examination is LTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r114-tall-174876423000611"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

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