Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r016-smll-174853765000366.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 BridgeAndVehicles-PT-V20P20N10, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r016-smll-174853765000366
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.2M
-rw-r--r-- 1 mcc users 12K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 88K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 98K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 422K 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 6.4K May 29 14:32 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 9.5K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 44K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 54K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 168K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 16K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 101K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 141K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 578K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.3K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.8K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 10 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 434K 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 BridgeAndVehicles-PT-V20P20N10-ReachabilityCardinality-2025-00
FORMULA_NAME BridgeAndVehicles-PT-V20P20N10-ReachabilityCardinality-2025-01
FORMULA_NAME BridgeAndVehicles-PT-V20P20N10-ReachabilityCardinality-2025-02
FORMULA_NAME BridgeAndVehicles-PT-V20P20N10-ReachabilityCardinality-2025-03
FORMULA_NAME BridgeAndVehicles-PT-V20P20N10-ReachabilityCardinality-2025-04
FORMULA_NAME BridgeAndVehicles-PT-V20P20N10-ReachabilityCardinality-2025-05
FORMULA_NAME BridgeAndVehicles-PT-V20P20N10-ReachabilityCardinality-2025-06
FORMULA_NAME BridgeAndVehicles-PT-V20P20N10-ReachabilityCardinality-2025-07
FORMULA_NAME BridgeAndVehicles-PT-V20P20N10-ReachabilityCardinality-2025-08
FORMULA_NAME BridgeAndVehicles-PT-V20P20N10-ReachabilityCardinality-2025-09
FORMULA_NAME BridgeAndVehicles-PT-V20P20N10-ReachabilityCardinality-2025-10
FORMULA_NAME BridgeAndVehicles-PT-V20P20N10-ReachabilityCardinality-2025-11
FORMULA_NAME BridgeAndVehicles-PT-V20P20N10-ReachabilityCardinality-2025-12
FORMULA_NAME BridgeAndVehicles-PT-V20P20N10-ReachabilityCardinality-2025-13
FORMULA_NAME BridgeAndVehicles-PT-V20P20N10-ReachabilityCardinality-2025-14
FORMULA_NAME BridgeAndVehicles-PT-V20P20N10-ReachabilityCardinality-2025-15

=== Now, execution of the tool begins

BK_START 1748953826035

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=BridgeAndVehicles-PT-V20P20N10
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202505121319
[2025-06-03 12:30:28] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-03 12:30:28] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-03 12:30:28] [INFO ] Load time of PNML (sax parser for PT used): 196 ms
[2025-06-03 12:30:28] [INFO ] Transformed 68 places.
[2025-06-03 12:30:28] [INFO ] Transformed 548 transitions.
[2025-06-03 12:30:28] [INFO ] Parsed PT model containing 68 places and 548 transitions and 4070 arcs in 373 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 27 ms.
Working with output stream class java.io.PrintStream
FORMULA BridgeAndVehicles-PT-V20P20N10-ReachabilityCardinality-2025-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-PT-V20P20N10-ReachabilityCardinality-2025-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2025-06-03 12:30:30] [INFO ] Flatten gal took : 367 ms
[2025-06-03 12:30:30] [INFO ] Flatten gal took : 144 ms
[2025-06-03 12:30:30] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11763591296751627462.gal : 104 ms
[2025-06-03 12:30:30] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1191316823417583973.prop : 12 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality11763591296751627462.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1191316823417583973.prop' '--nowitness' '--gen-order' 'FOLLOW'

RANDOM walk for 40000 steps (224 resets) in 5781 ms. (6 steps per ms) remains 13/14 properties
FORMULA BridgeAndVehicles-PT-V20P20N10-ReachabilityCardinality-2025-11 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality1191316823417583973.prop.
BEST_FIRST walk for 40004 steps (84 resets) in 972 ms. (41 steps per ms) remains 13/13 properties
SDD proceeding with computation,14 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,14 properties remain. new max is 8
SDD size :2 after 6
BEST_FIRST walk for 40003 steps (82 resets) in 395 ms. (101 steps per ms) remains 12/13 properties
FORMULA BridgeAndVehicles-PT-V20P20N10-ReachabilityCardinality-2025-10 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
SDD proceeding with computation,14 properties remain. new max is 16
SDD size :6 after 19
BEST_FIRST walk for 40003 steps (65 resets) in 283 ms. (140 steps per ms) remains 12/12 properties
SDD proceeding with computation,14 properties remain. new max is 32
SDD size :19 after 42
BEST_FIRST walk for 40004 steps (80 resets) in 253 ms. (157 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (60 resets) in 635 ms. (62 steps per ms) remains 12/12 properties
Invariant property BridgeAndVehicles-PT-V20P20N10-ReachabilityCardinality-2025-11 does not hold.
SDD proceeding with computation,13 properties remain. new max is 32
SDD size :42 after 132
BEST_FIRST walk for 40003 steps (92 resets) in 323 ms. (123 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40002 steps (76 resets) in 522 ms. (76 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (82 resets) in 328 ms. (121 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (88 resets) in 457 ms. (87 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (64 resets) in 366 ms. (109 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (69 resets) in 276 ms. (144 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (76 resets) in 286 ms. (139 steps per ms) remains 12/12 properties
[2025-06-03 12:30:32] [INFO ] Flow matrix only has 130 transitions (discarded 418 similar events)
// Phase 1: matrix 130 rows 68 cols
[2025-06-03 12:30:32] [INFO ] Computed 7 invariants in 14 ms
[2025-06-03 12:30:32] [INFO ] State equation strengthened by 22 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Problem BridgeAndVehicles-PT-V20P20N10-ReachabilityCardinality-2025-06 is UNSAT
FORMULA BridgeAndVehicles-PT-V20P20N10-ReachabilityCardinality-2025-06 FALSE TECHNIQUES SMT_REFINEMENT
Problem BridgeAndVehicles-PT-V20P20N10-ReachabilityCardinality-2025-07 is UNSAT
FORMULA BridgeAndVehicles-PT-V20P20N10-ReachabilityCardinality-2025-07 FALSE TECHNIQUES SMT_REFINEMENT
Problem BridgeAndVehicles-PT-V20P20N10-ReachabilityCardinality-2025-01 is UNSAT
FORMULA BridgeAndVehicles-PT-V20P20N10-ReachabilityCardinality-2025-01 FALSE TECHNIQUES SMT_REFINEMENT
Problem BridgeAndVehicles-PT-V20P20N10-ReachabilityCardinality-2025-03 is UNSAT
FORMULA BridgeAndVehicles-PT-V20P20N10-ReachabilityCardinality-2025-03 TRUE TECHNIQUES SMT_REFINEMENT
Problem BridgeAndVehicles-PT-V20P20N10-ReachabilityCardinality-2025-04 is UNSAT
FORMULA BridgeAndVehicles-PT-V20P20N10-ReachabilityCardinality-2025-04 TRUE TECHNIQUES SMT_REFINEMENT
Problem BridgeAndVehicles-PT-V20P20N10-ReachabilityCardinality-2025-09 is UNSAT
FORMULA BridgeAndVehicles-PT-V20P20N10-ReachabilityCardinality-2025-09 TRUE TECHNIQUES SMT_REFINEMENT
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/56 variables, 4/4 constraints. Problems are: Problem set: 6 solved, 6 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/56 variables, 0/4 constraints. Problems are: Problem set: 6 solved, 6 unsolved
Problem BridgeAndVehicles-PT-V20P20N10-ReachabilityCardinality-2025-08 is UNSAT
FORMULA BridgeAndVehicles-PT-V20P20N10-ReachabilityCardinality-2025-08 FALSE TECHNIQUES SMT_REFINEMENT
Problem BridgeAndVehicles-PT-V20P20N10-ReachabilityCardinality-2025-12 is UNSAT
FORMULA BridgeAndVehicles-PT-V20P20N10-ReachabilityCardinality-2025-12 TRUE TECHNIQUES SMT_REFINEMENT
Problem BridgeAndVehicles-PT-V20P20N10-ReachabilityCardinality-2025-13 is UNSAT
FORMULA BridgeAndVehicles-PT-V20P20N10-ReachabilityCardinality-2025-13 TRUE TECHNIQUES SMT_REFINEMENT
Problem BridgeAndVehicles-PT-V20P20N10-ReachabilityCardinality-2025-14 is UNSAT
FORMULA BridgeAndVehicles-PT-V20P20N10-ReachabilityCardinality-2025-14 FALSE TECHNIQUES SMT_REFINEMENT
Problem BridgeAndVehicles-PT-V20P20N10-ReachabilityCardinality-2025-15 is UNSAT
FORMULA BridgeAndVehicles-PT-V20P20N10-ReachabilityCardinality-2025-15 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 12/68 variables, 3/7 constraints. Problems are: Problem set: 11 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/68 variables, 0/7 constraints. Problems are: Problem set: 11 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 130/198 variables, 68/75 constraints. Problems are: Problem set: 11 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/198 variables, 22/97 constraints. Problems are: Problem set: 11 solved, 1 unsolved
SDD proceeding with computation,13 properties remain. new max is 64
SDD size :132 after 705
At refinement iteration 6 (INCLUDED_ONLY) 0/198 variables, 0/97 constraints. Problems are: Problem set: 11 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/198 variables, 0/97 constraints. Problems are: Problem set: 11 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 198/198 variables, and 97 constraints, problems are : Problem set: 11 solved, 1 unsolved in 608 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 68/68 constraints, ReadFeed: 22/22 constraints, PredecessorRefiner: 10/9 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 11 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 11 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 11 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 11 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 6/9 variables, 2/3 constraints. Problems are: Problem set: 11 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 11 solved, 1 unsolved
SDD proceeding with computation,13 properties remain. new max is 128
SDD size :705 after 707
At refinement iteration 5 (OVERLAPS) 84/93 variables, 9/12 constraints. Problems are: Problem set: 11 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/93 variables, 0/12 constraints. Problems are: Problem set: 11 solved, 1 unsolved
SDD proceeding with computation,13 properties remain. new max is 256
SDD size :707 after 710
At refinement iteration 7 (OVERLAPS) 92/185 variables, 46/58 constraints. Problems are: Problem set: 11 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/185 variables, 2/60 constraints. Problems are: Problem set: 11 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/185 variables, 22/82 constraints. Problems are: Problem set: 11 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/185 variables, 1/83 constraints. Problems are: Problem set: 11 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/185 variables, 0/83 constraints. Problems are: Problem set: 11 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 2/187 variables, 1/84 constraints. Problems are: Problem set: 11 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/187 variables, 2/86 constraints. Problems are: Problem set: 11 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/187 variables, 0/86 constraints. Problems are: Problem set: 11 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 11/198 variables, 11/97 constraints. Problems are: Problem set: 11 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/198 variables, 1/98 constraints. Problems are: Problem set: 11 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/198 variables, 0/98 constraints. Problems are: Problem set: 11 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/198 variables, 0/98 constraints. Problems are: Problem set: 11 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 198/198 variables, and 98 constraints, problems are : Problem set: 11 solved, 1 unsolved in 820 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 68/68 constraints, ReadFeed: 22/22 constraints, PredecessorRefiner: 1/9 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1643ms problems are : Problem set: 11 solved, 1 unsolved
Parikh walk visited 0 properties in 60 ms.
Support contains 1 out of 68 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 68/68 places, 548/548 transitions.
Graph (complete) has 562 edges and 68 vertex of which 66 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.8 ms
Discarding 2 places :
Also discarding 0 output transitions
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 2 place count 65 transition count 547
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 65 transition count 547
Applied a total of 3 rules in 116 ms. Remains 65 /68 variables (removed 3) and now considering 547/548 (removed 1) transitions.
Running 544 sub problems to find dead transitions.
[2025-06-03 12:30:33] [INFO ] Flow matrix only has 129 transitions (discarded 418 similar events)
// Phase 1: matrix 129 rows 65 cols
[2025-06-03 12:30:33] [INFO ] Computed 5 invariants in 4 ms
[2025-06-03 12:30:33] [INFO ] State equation strengthened by 22 read => feed constraints.
SDD proceeding with computation,13 properties remain. new max is 512
SDD size :710 after 952
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
SDD proceeding with computation,13 properties remain. new max is 1024
SDD size :952 after 1651
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 544 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 12:30:38] [INFO ] Deduced a trap composed of 5 places in 152 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 12:30:39] [INFO ] Deduced a trap composed of 14 places in 135 ms of which 2 ms to minimize.
Problem TDEAD307 is UNSAT
Problem TDEAD308 is UNSAT
Problem TDEAD309 is UNSAT
Problem TDEAD310 is UNSAT
Problem TDEAD311 is UNSAT
Problem TDEAD312 is UNSAT
Problem TDEAD313 is UNSAT
Problem TDEAD314 is UNSAT
Problem TDEAD315 is UNSAT
Problem TDEAD316 is UNSAT
Problem TDEAD317 is UNSAT
Problem TDEAD318 is UNSAT
Problem TDEAD319 is UNSAT
Problem TDEAD320 is UNSAT
Problem TDEAD321 is UNSAT
Problem TDEAD322 is UNSAT
Problem TDEAD323 is UNSAT
Problem TDEAD324 is UNSAT
Problem TDEAD325 is UNSAT
Problem TDEAD326 is UNSAT
SDD proceeding with computation,13 properties remain. new max is 2048
SDD size :1651 after 3197
Problem TDEAD87 is UNSAT
Problem TDEAD98 is UNSAT
Problem TDEAD109 is UNSAT
Problem TDEAD120 is UNSAT
Problem TDEAD131 is UNSAT
Problem TDEAD142 is UNSAT
Problem TDEAD153 is UNSAT
Problem TDEAD164 is UNSAT
Problem TDEAD175 is UNSAT
Problem TDEAD186 is UNSAT
Problem TDEAD197 is UNSAT
Problem TDEAD208 is UNSAT
Problem TDEAD219 is UNSAT
Problem TDEAD230 is UNSAT
Problem TDEAD241 is UNSAT
Problem TDEAD252 is UNSAT
Problem TDEAD263 is UNSAT
Problem TDEAD274 is UNSAT
Problem TDEAD285 is UNSAT
Problem TDEAD296 is UNSAT
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 2/7 constraints. Problems are: Problem set: 40 solved, 504 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 0/7 constraints. Problems are: Problem set: 40 solved, 504 unsolved
Problem TDEAD20 is UNSAT
Problem TDEAD64 is UNSAT
At refinement iteration 3 (OVERLAPS) 129/194 variables, 65/72 constraints. Problems are: Problem set: 42 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 22/94 constraints. Problems are: Problem set: 42 solved, 502 unsolved
SDD proceeding with computation,13 properties remain. new max is 4096
SDD size :3197 after 7027
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 0/94 constraints. Problems are: Problem set: 42 solved, 502 unsolved
At refinement iteration 6 (OVERLAPS) 0/194 variables, 0/94 constraints. Problems are: Problem set: 42 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 194/194 variables, and 94 constraints, problems are : Problem set: 42 solved, 502 unsolved in 20065 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 65/65 constraints, ReadFeed: 22/22 constraints, PredecessorRefiner: 544/544 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 42 solved, 502 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 5/5 constraints. Problems are: Problem set: 42 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 2/7 constraints. Problems are: Problem set: 42 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 0/7 constraints. Problems are: Problem set: 42 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 129/194 variables, 65/72 constraints. Problems are: Problem set: 42 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 22/94 constraints. Problems are: Problem set: 42 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 502/596 constraints. Problems are: Problem set: 42 solved, 502 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 194/194 variables, and 596 constraints, problems are : Problem set: 42 solved, 502 unsolved in 20026 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 65/65 constraints, ReadFeed: 22/22 constraints, PredecessorRefiner: 502/544 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41324ms problems are : Problem set: 42 solved, 502 unsolved
Search for dead transitions found 42 dead transitions in 41335ms
Found 42 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 42 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 42 transitions.
Starting structural reductions in REACHABILITY mode, iteration 1 : 65/68 places, 505/548 transitions.
Applied a total of 0 rules in 41 ms. Remains 65 /65 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41524 ms. Remains : 65/68 places, 505/548 transitions.
RANDOM walk for 40000 steps (224 resets) in 320 ms. (124 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (80 resets) in 137 ms. (289 steps per ms) remains 1/1 properties
SDD proceeding with computation,13 properties remain. new max is 8192
SDD size :7027 after 31804
Interrupted probabilistic random walk after 844211 steps, run timeout after 3001 ms. (steps per millisecond=281 ) properties seen :0 out of 1
Probabilistic random walk after 844211 steps, saw 205028 distinct states, run finished after 3022 ms. (steps per millisecond=279 ) properties seen :0
[2025-06-03 12:31:18] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
// Phase 1: matrix 125 rows 65 cols
[2025-06-03 12:31:18] [INFO ] Computed 7 invariants in 2 ms
[2025-06-03 12:31:18] [INFO ] State equation strengthened by 20 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 41/43 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/43 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 132/175 variables, 48/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/175 variables, 3/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/175 variables, 1/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/175 variables, 20/75 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/175 variables, 0/75 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 2/177 variables, 1/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/177 variables, 2/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/177 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 13/190 variables, 13/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/190 variables, 1/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/190 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/190 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 190/190 variables, and 92 constraints, problems are : Problem set: 0 solved, 1 unsolved in 132 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 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 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 41/43 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/43 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 132/175 variables, 48/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/175 variables, 3/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/175 variables, 1/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/175 variables, 20/75 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/175 variables, 1/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/175 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 2/177 variables, 1/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/177 variables, 2/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/177 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 13/190 variables, 13/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/190 variables, 1/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/190 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 0/190 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 190/190 variables, and 93 constraints, problems are : Problem set: 0 solved, 1 unsolved in 288 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 433ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 39 ms.
Support contains 1 out of 65 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 65/65 places, 505/505 transitions.
Applied a total of 0 rules in 64 ms. Remains 65 /65 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65 ms. Remains : 65/65 places, 505/505 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 65/65 places, 505/505 transitions.
Applied a total of 0 rules in 52 ms. Remains 65 /65 variables (removed 0) and now considering 505/505 (removed 0) transitions.
[2025-06-03 12:31:19] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-03 12:31:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 12:31:19] [INFO ] Implicit Places using invariants in 288 ms returned [22, 48]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 302 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 63/65 places, 505/505 transitions.
Applied a total of 0 rules in 46 ms. Remains 63 /63 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 400 ms. Remains : 63/65 places, 505/505 transitions.
RANDOM walk for 40000 steps (224 resets) in 356 ms. (112 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (80 resets) in 112 ms. (354 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 787488 steps, run timeout after 3001 ms. (steps per millisecond=262 ) properties seen :0 out of 1
Probabilistic random walk after 787488 steps, saw 191548 distinct states, run finished after 3001 ms. (steps per millisecond=262 ) properties seen :0
[2025-06-03 12:31:22] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
// Phase 1: matrix 125 rows 63 cols
[2025-06-03 12:31:22] [INFO ] Computed 5 invariants in 2 ms
[2025-06-03 12:31:22] [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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 41/43 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/43 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 130/173 variables, 46/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/173 variables, 2/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/173 variables, 20/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/173 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 2/175 variables, 1/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/175 variables, 2/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/175 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 13/188 variables, 13/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/188 variables, 1/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/188 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/188 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 88 constraints, problems are : Problem set: 0 solved, 1 unsolved in 156 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 41/43 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/43 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 130/173 variables, 46/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/173 variables, 2/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/173 variables, 20/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/173 variables, 1/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/173 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 2/175 variables, 1/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/175 variables, 2/75 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/175 variables, 0/75 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 13/188 variables, 13/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/188 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/188 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/188 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 89 constraints, problems are : Problem set: 0 solved, 1 unsolved in 311 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 483ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 78 ms.
Support contains 1 out of 63 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 63/63 places, 505/505 transitions.
Applied a total of 0 rules in 29 ms. Remains 63 /63 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 30 ms. Remains : 63/63 places, 505/505 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 63/63 places, 505/505 transitions.
Applied a total of 0 rules in 27 ms. Remains 63 /63 variables (removed 0) and now considering 505/505 (removed 0) transitions.
[2025-06-03 12:31:23] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-03 12:31:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 12:31:23] [INFO ] Implicit Places using invariants in 190 ms returned []
[2025-06-03 12:31:23] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-03 12:31:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 12:31:23] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-03 12:31:23] [INFO ] Implicit Places using invariants and state equation in 419 ms returned []
Implicit Place search using SMT with State Equation took 613 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 12:31:23] [INFO ] Redundant transitions in 56 ms returned []
Running 502 sub problems to find dead transitions.
[2025-06-03 12:31:23] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2025-06-03 12:31:23] [INFO ] Invariant cache hit.
[2025-06-03 12:31:23] [INFO ] State equation strengthened by 20 read => feed constraints.
SDD proceeding with computation,13 properties remain. new max is 16384
SDD size :31804 after 35915
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 12:31:26] [INFO ] Deduced a trap composed of 5 places in 134 ms of which 4 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/188 variables, 63/69 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 20/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 12:31:39] [INFO ] Deduced a trap composed of 14 places in 80 ms of which 3 ms to minimize.
SDD proceeding with computation,13 properties remain. new max is 32768
SDD size :35915 after 84459
At refinement iteration 6 (OVERLAPS) 0/188 variables, 1/90 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/188 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 8 (OVERLAPS) 0/188 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 90 constraints, problems are : Problem set: 0 solved, 502 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/188 variables, 63/70 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 20/90 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 502/592 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 188/188 variables, and 592 constraints, problems are : Problem set: 0 solved, 502 unsolved in 30035 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60799ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 60803ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61517 ms. Remains : 63/63 places, 505/505 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 380 transitions
Reduce isomorphic transitions removed 380 transitions.
Iterating post reduction 0 with 380 rules applied. Total rules applied 380 place count 63 transition count 125
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 384 place count 61 transition count 123
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 1 with 2 rules applied. Total rules applied 386 place count 61 transition count 121
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 388 place count 59 transition count 121
Applied a total of 388 rules in 25 ms. Remains 59 /63 variables (removed 4) and now considering 121/505 (removed 384) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 121 rows 59 cols
[2025-06-03 12:32:24] [INFO ] Computed 5 invariants in 2 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-03 12:32:25] [INFO ] [Real]Absence check using 5 positive place invariants in 51 ms returned sat
[2025-06-03 12:32:25] [INFO ] After 462ms 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
[2025-06-03 12:32:25] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2025-06-03 12:32:25] [INFO ] After 99ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-03 12:32:25] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-03 12:32:25] [INFO ] After 17ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-03 12:32:25] [INFO ] After 61ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-03 12:32:25] [INFO ] After 249ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-03 12:32:25] [INFO ] Flatten gal took : 30 ms
[2025-06-03 12:32:25] [INFO ] Flatten gal took : 12 ms
[2025-06-03 12:32:25] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14601956328650610040.gal : 3 ms
[2025-06-03 12:32:25] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1755494881806401992.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality14601956328650610040.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1755494881806401992.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality1755494881806401992.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 4
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :4 after 12
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :12 after 20
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :20 after 60
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :60 after 258
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :258 after 840
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :840 after 6811
Invariant property BridgeAndVehicles-PT-V20P20N10-ReachabilityCardinality-2025-05 does not hold.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 257 fixpoint passes
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,70370,0.179809,7632,2,2942,13,17432,6,0,358,12455,0
Total reachable state count : 70370

Verifying 1 reachability properties.
Invariant property BridgeAndVehicles-PT-V20P20N10-ReachabilityCardinality-2025-05 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
BridgeAndVehicles-PT-V20P20N10-ReachabilityCardinality-2025-05,172,0.180545,7760,2,217,13,17432,7,0,361,12455,0
Over-approximation ignoring read arcs solved 0 properties in 1071 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2025-06-03 12:32:26] [INFO ] Flatten gal took : 40 ms
[2025-06-03 12:32:26] [INFO ] Applying decomposition
[2025-06-03 12:32:26] [INFO ] Flatten gal took : 59 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph16077626013213680001.txt' '-o' '/tmp/graph16077626013213680001.bin' '-w' '/tmp/graph16077626013213680001.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph16077626013213680001.bin' '-l' '-1' '-v' '-w' '/tmp/graph16077626013213680001.weights' '-q' '0' '-e' '0.001'
[2025-06-03 12:32:26] [INFO ] Decomposing Gal with order
[2025-06-03 12:32:26] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-03 12:32:27] [INFO ] Removed a total of 1031 redundant transitions.
[2025-06-03 12:32:27] [INFO ] Flatten gal took : 529 ms
[2025-06-03 12:32:27] [INFO ] Fuse similar labels procedure discarded/fused a total of 233 labels/synchronizations in 30 ms.
[2025-06-03 12:32:27] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14058249775310310242.gal : 6 ms
[2025-06-03 12:32:27] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4440698058733907367.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality14058249775310310242.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4440698058733907367.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality4440698058733907367.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :7060 after 7082
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :15046 after 15068
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :28824 after 29224
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :52328 after 55532
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :144588 after 144926
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :223833 after 233913
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :475296 after 487786
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :865095 after 892199
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :1.72625e+06 after 1.75196e+06
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :3.15111e+06 after 3.1719e+06
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :5.06743e+06 after 5.07199e+06
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :6.58612e+06 after 6.58985e+06
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst\_mod\_flat,6.73257e+06,559.781,1684952,49847,14758,2.69207e+06,145219,131,3.46306e+06,181,1.02453e+06,0
Total reachable state count : 6732570

Verifying 1 reachability properties.
Invariant property BridgeAndVehicles-PT-V20P20N10-ReachabilityCardinality-2025-05 is true.
FORMULA BridgeAndVehicles-PT-V20P20N10-ReachabilityCardinality-2025-05 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
BridgeAndVehicles-PT-V20P20N10-ReachabilityCardinality-2025-05,0,559.849,1684952,1,0,2.69207e+06,145219,134,3.46306e+06,183,1.02453e+06,0
ITS tools runner thread asked to quit. Dying gracefully.
All properties solved without resorting to model-checking.
Total runtime 679800 ms.

BK_STOP 1748954508346

--------------------
content from stderr:

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ ReachabilityCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="BridgeAndVehicles-PT-V20P20N10"
export BK_EXAMINATION="ReachabilityCardinality"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool itstools"
echo " Input is BridgeAndVehicles-PT-V20P20N10, examination is ReachabilityCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r016-smll-174853765000366"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BridgeAndVehicles-PT-V20P20N10.tgz
mv BridgeAndVehicles-PT-V20P20N10 execution
cd execution
if [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "UpperBounds" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] || [ "ReachabilityCardinality" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "ReachabilityCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityCardinality" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "ReachabilityCardinality.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' ReachabilityCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityCardinality"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;