Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r049-tall-174854035500052.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is CloudDeployment-PT-7a, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r049-tall-174854035500052
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 896K
-rw-r--r-- 1 mcc users 6.7K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 71K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.0K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 43K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.6K 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 2.4K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 144K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.7K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 86K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 3 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 420K May 29 14:32 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

FORMULA_NAME QuasiLiveness

=== Now, execution of the tool begins

BK_START 1748586366198

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=CloudDeployment-PT-7a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2025-05-30 06:26:07] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2025-05-30 06:26:07] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-30 06:26:07] [INFO ] Load time of PNML (sax parser for PT used): 121 ms
[2025-05-30 06:26:07] [INFO ] Transformed 264 places.
[2025-05-30 06:26:07] [INFO ] Transformed 1174 transitions.
[2025-05-30 06:26:07] [INFO ] Found NUPN structural information;
[2025-05-30 06:26:07] [INFO ] Parsed PT model containing 264 places and 1174 transitions and 7331 arcs in 220 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 264/264 places, 1174/1174 transitions.
Graph (trivial) has 309 edges and 264 vertex of which 70 / 264 are part of one of the 21 SCC in 3 ms
Free SCC test removed 49 places
Ensure Unique test removed 301 transitions
Reduce isomorphic transitions removed 301 transitions.
Ensure Unique test removed 14 places
Iterating post reduction 0 with 14 rules applied. Total rules applied 15 place count 201 transition count 873
Performed 21 Post agglomeration using F-continuation condition.Transition count delta: -91
Deduced a syphon composed of 21 places in 4 ms
Reduce places removed 21 places and 0 transitions.
Iterating global reduction 1 with 42 rules applied. Total rules applied 57 place count 180 transition count 964
Applied a total of 57 rules in 84 ms. Remains 180 /264 variables (removed 84) and now considering 964/1174 (removed 210) transitions.
[2025-05-30 06:26:07] [INFO ] Flow matrix only has 412 transitions (discarded 552 similar events)
// Phase 1: matrix 412 rows 180 cols
[2025-05-30 06:26:07] [INFO ] Computed 28 invariants in 19 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 06:26:08] [INFO ] Implicit Places using invariants in 507 ms returned []
[2025-05-30 06:26:08] [INFO ] Flow matrix only has 412 transitions (discarded 552 similar events)
[2025-05-30 06:26:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 06:26:08] [INFO ] State equation strengthened by 282 read => feed constraints.
[2025-05-30 06:26:14] [INFO ] Implicit Places using invariants and state equation in 6133 ms returned []
Implicit Place search using SMT with State Equation took 6678 ms to find 0 implicit places.
Running 963 sub problems to find dead transitions.
[2025-05-30 06:26:14] [INFO ] Flow matrix only has 412 transitions (discarded 552 similar events)
[2025-05-30 06:26:14] [INFO ] Invariant cache hit.
[2025-05-30 06:26:14] [INFO ] State equation strengthened by 282 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/179 variables, 179/179 constraints. Problems are: Problem set: 0 solved, 963 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/179 variables, 28/207 constraints. Problems are: Problem set: 0 solved, 963 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/179 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 963 unsolved
At refinement iteration 3 (OVERLAPS) 411/590 variables, 179/386 constraints. Problems are: Problem set: 0 solved, 963 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/590 variables, 281/667 constraints. Problems are: Problem set: 0 solved, 963 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 590/592 variables, and 667 constraints, problems are : Problem set: 0 solved, 963 unsolved in 30036 ms.
Refiners :[Domain max(s): 179/180 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 179/180 constraints, ReadFeed: 281/282 constraints, PredecessorRefiner: 963/962 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 963 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/179 variables, 179/179 constraints. Problems are: Problem set: 0 solved, 963 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/179 variables, 28/207 constraints. Problems are: Problem set: 0 solved, 963 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/179 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 963 unsolved
At refinement iteration 3 (OVERLAPS) 411/590 variables, 179/386 constraints. Problems are: Problem set: 0 solved, 963 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/590 variables, 281/667 constraints. Problems are: Problem set: 0 solved, 963 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/590 variables, 962/1629 constraints. Problems are: Problem set: 0 solved, 963 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 590/592 variables, and 1629 constraints, problems are : Problem set: 0 solved, 963 unsolved in 30032 ms.
Refiners :[Domain max(s): 179/180 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 179/180 constraints, ReadFeed: 281/282 constraints, PredecessorRefiner: 963/962 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61228ms problems are : Problem set: 0 solved, 963 unsolved
Search for dead transitions found 0 dead transitions in 61252ms
Starting structural reductions in LIVENESS mode, iteration 1 : 180/264 places, 964/1174 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 68048 ms. Remains : 180/264 places, 964/1174 transitions.
Discarding 736 transitions out of 964. Remains 228
Initial state reduction rules removed 1 formulas.
[2025-05-30 06:27:16] [INFO ] Flatten gal took : 249 ms
[2025-05-30 06:27:16] [INFO ] Flatten gal took : 163 ms
[2025-05-30 06:27:16] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2113418255052720947.gal : 73 ms
[2025-05-30 06:27:16] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13858593227438549352.prop : 7 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality2113418255052720947.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13858593227438549352.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
RANDOM walk for 40000 steps (719 resets) in 3117 ms. (12 steps per ms) remains 13/227 properties
BEST_FIRST walk for 40004 steps (64 resets) in 329 ms. (121 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (45 resets) in 183 ms. (217 steps per ms) remains 12/13 properties
BEST_FIRST walk for 40004 steps (38 resets) in 101 ms. (392 steps per ms) remains 1/12 properties
[2025-05-30 06:27:16] [INFO ] Flow matrix only has 412 transitions (discarded 552 similar events)
[2025-05-30 06:27:16] [INFO ] Invariant cache hit.
Loading property file /tmp/ReachabilityCardinality13858593227438549352.prop.
[2025-05-30 06:27:16] [INFO ] State equation strengthened by 282 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/8 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 93/101 variables, 7/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/101 variables, 93/108 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/101 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 78/179 variables, 21/129 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/179 variables, 78/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Reachability property qltransition_962 is true.
Reachability property qltransition_960 is true.
Reachability property qltransition_958 is true.
Reachability property qltransition_956 is true.
Reachability property qltransition_954 is true.
Reachability property qltransition_952 is true.
Reachability property qltransition_950 is true.
Reachability property qltransition_926 is true.
Reachability property qltransition_924 is true.
Reachability property qltransition_922 is true.
Reachability property qltransition_920 is true.
Reachability property qltransition_918 is true.
Reachability property qltransition_916 is true.
Reachability property qltransition_914 is true.
Reachability property qltransition_890 is true.
Reachability property qltransition_888 is true.
Reachability property qltransition_886 is true.
Reachability property qltransition_884 is true.
Reachability property qltransition_882 is true.
Reachability property qltransition_880 is true.
Reachability property qltransition_878 is true.
Reachability property qltransition_854 is true.
Reachability property qltransition_852 is true.
Reachability property qltransition_850 is true.
Reachability property qltransition_848 is true.
Reachability property qltransition_846 is true.
Reachability property qltransition_844 is true.
Reachability property qltransition_842 is true.
Reachability property qltransition_818 is true.
Reachability property qltransition_816 is true.
Reachability property qltransition_814 is true.
Reachability property qltransition_812 is true.
Reachability property qltransition_810 is true.
Reachability property qltransition_808 is true.
Reachability property qltransition_806 is true.
Reachability property qltransition_782 is true.
Reachability property qltransition_780 is true.
Reachability property qltransition_778 is true.
Reachability property qltransition_776 is true.
Reachability property qltransition_774 is true.
Reachability property qltransition_772 is true.
Reachability property qltransition_770 is true.
Reachability property qltransition_746 is true.
Reachability property qltransition_744 is true.
Reachability property qltransition_742 is true.
Reachability property qltransition_740 is true.
Reachability property qltransition_738 is true.
Reachability property qltransition_736 is true.
Reachability property qltransition_734 is true.
At refinement iteration 7 (INCLUDED_ONLY) 0/179 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,178 properties remain. new max is 2
SDD size :1 after 8
SDD proceeding with computation,178 properties remain. new max is 4
SDD size :8 after 9
SDD proceeding with computation,178 properties remain. new max is 8
SDD size :9 after 12
SDD proceeding with computation,178 properties remain. new max is 16
SDD size :12 after 19
Reachability property qltransition_588 is true.
Reachability property qltransition_587 is true.
SDD proceeding with computation,176 properties remain. new max is 16
SDD size :19 after 23
Reachability property qltransition_573 is true.
Reachability property qltransition_572 is true.
SDD proceeding with computation,174 properties remain. new max is 16
SDD size :23 after 97
SDD proceeding with computation,174 properties remain. new max is 32
SDD size :97 after 133
At refinement iteration 8 (OVERLAPS) 411/590 variables, 179/386 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,174 properties remain. new max is 64
SDD size :133 after 193
SDD proceeding with computation,174 properties remain. new max is 128
SDD size :193 after 229
SDD proceeding with computation,174 properties remain. new max is 256
SDD size :229 after 861
At refinement iteration 9 (INCLUDED_ONLY) 0/590 variables, 281/667 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Reachability property qltransition_0 is true.
SDD proceeding with computation,173 properties remain. new max is 256
SDD size :861 after 203513
At refinement iteration 10 (INCLUDED_ONLY) 0/590 variables, 0/667 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 1/591 variables, 1/668 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/591 variables, 1/669 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Reachability property qltransition_948 is true.
Reachability property qltransition_946 is true.
Reachability property qltransition_944 is true.
Reachability property qltransition_942 is true.
Reachability property qltransition_940 is true.
Reachability property qltransition_938 is true.
Reachability property qltransition_936 is true.
Reachability property qltransition_912 is true.
Reachability property qltransition_910 is true.
Reachability property qltransition_908 is true.
Reachability property qltransition_906 is true.
Reachability property qltransition_904 is true.
Reachability property qltransition_902 is true.
Reachability property qltransition_900 is true.
Reachability property qltransition_876 is true.
At refinement iteration 13 (INCLUDED_ONLY) 0/591 variables, 0/669 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Reachability property qltransition_874 is true.
Reachability property qltransition_872 is true.
Reachability property qltransition_870 is true.
Reachability property qltransition_868 is true.
Reachability property qltransition_866 is true.
Reachability property qltransition_864 is true.
Reachability property qltransition_840 is true.
Reachability property qltransition_838 is true.
Reachability property qltransition_836 is true.
Reachability property qltransition_834 is true.
Reachability property qltransition_832 is true.
Reachability property qltransition_830 is true.
Reachability property qltransition_828 is true.
Reachability property qltransition_804 is true.
At refinement iteration 14 (OVERLAPS) 1/592 variables, 1/670 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Reachability property qltransition_802 is true.
Reachability property qltransition_800 is true.
Reachability property qltransition_798 is true.
At refinement iteration 15 (INCLUDED_ONLY) 0/592 variables, 0/670 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Reachability property qltransition_796 is true.
Reachability property qltransition_794 is true.
Reachability property qltransition_792 is true.
At refinement iteration 16 (OVERLAPS) 0/592 variables, 0/670 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 592/592 variables, and 670 constraints, problems are : Problem set: 0 solved, 1 unsolved in 621 ms.
Refiners :[Domain max(s): 180/180 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 180/180 constraints, ReadFeed: 282/282 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) 0/8 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/8 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 93/101 variables, 7/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/101 variables, 93/108 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/101 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 78/179 variables, 21/129 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/179 variables, 78/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/179 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 411/590 variables, 179/386 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/590 variables, 281/667 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/590 variables, 1/668 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Reachability property qltransition_768 is true.
At refinement iteration 11 (INCLUDED_ONLY) 0/590 variables, 0/668 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 1/591 variables, 1/669 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/591 variables, 1/670 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Reachability property qltransition_766 is true.
At refinement iteration 14 (INCLUDED_ONLY) 0/591 variables, 0/670 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Reachability property qltransition_764 is true.
At refinement iteration 15 (OVERLAPS) 1/592 variables, 1/671 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Reachability property qltransition_762 is true.
Reachability property qltransition_760 is true.
Reachability property qltransition_758 is true.
At refinement iteration 16 (INCLUDED_ONLY) 0/592 variables, 0/671 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Reachability property qltransition_756 is true.
Reachability property qltransition_732 is true.
Reachability property qltransition_730 is true.
Reachability property qltransition_728 is true.
Reachability property qltransition_726 is true.
Reachability property qltransition_724 is true.
Reachability property qltransition_722 is true.
Reachability property qltransition_720 is true.
Reachability property qltransition_675 is true.
Reachability property qltransition_611 is true.
Reachability property qltransition_610 is true.
At refinement iteration 17 (OVERLAPS) 0/592 variables, 0/671 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 592/592 variables, and 671 constraints, problems are : Problem set: 0 solved, 1 unsolved in 3865 ms.
Refiners :[Domain max(s): 180/180 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 180/180 constraints, ReadFeed: 282/282 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4514ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 8 out of 180 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 180/180 places, 964/964 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 161 transitions
Reduce isomorphic transitions removed 161 transitions.
Iterating post reduction 0 with 161 rules applied. Total rules applied 161 place count 180 transition count 803
Discarding 12 places :
Symmetric choice reduction at 1 with 12 rule applications. Total rules 173 place count 168 transition count 742
Iterating global reduction 1 with 12 rules applied. Total rules applied 185 place count 168 transition count 742
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 189 place count 164 transition count 738
Iterating global reduction 1 with 4 rules applied. Total rules applied 193 place count 164 transition count 738
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 196 place count 161 transition count 735
Iterating global reduction 1 with 3 rules applied. Total rules applied 199 place count 161 transition count 735
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 201 place count 159 transition count 733
Iterating global reduction 1 with 2 rules applied. Total rules applied 203 place count 159 transition count 733
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 204 place count 158 transition count 732
Iterating global reduction 1 with 1 rules applied. Total rules applied 205 place count 158 transition count 732
Reachability property qltransition_252 is true.
Drop transitions (Redundant composition of simpler transitions.) removed 140 transitions
Redundant transition composition rules discarded 140 transitions
Iterating global reduction 1 with 140 rules applied. Total rules applied 345 place count 158 transition count 592
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 1 with 1 rules applied. Total rules applied 346 place count 158 transition count 592
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 1 with 1 rules applied. Total rules applied 347 place count 157 transition count 591
Applied a total of 347 rules in 243 ms. Remains 157 /180 variables (removed 23) and now considering 591/964 (removed 373) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 243 ms. Remains : 157/180 places, 591/964 transitions.
Reachability property qltransition_251 is true.
Reachability property qltransition_172 is true.
Reachability property qltransition_171 is true.
Reachability property qltransition_137 is true.
Reachability property qltransition_136 is true.
Reachability property qltransition_135 is true.
Reachability property qltransition_134 is true.
Reachability property qltransition_133 is true.
Reachability property qltransition_132 is true.
Reachability property qltransition_131 is true.
Reachability property qltransition_130 is true.
Reachability property qltransition_129 is true.
RANDOM walk for 4000000 steps (48223 resets) in 17741 ms. (225 steps per ms) remains 1/1 properties
Reachability property qltransition_128 is true.
Reachability property qltransition_127 is true.
Reachability property qltransition_126 is true.
Reachability property qltransition_125 is true.
Reachability property qltransition_124 is true.
Reachability property qltransition_123 is true.
BEST_FIRST walk for 4000004 steps (6869 resets) in 4154 ms. (962 steps per ms) remains 1/1 properties
Reachability property qltransition_122 is true.
Reachability property qltransition_121 is true.
Reachability property qltransition_120 is true.
Reachability property qltransition_119 is true.
Reachability property qltransition_118 is true.
Reachability property qltransition_117 is true.
Reachability property qltransition_116 is true.
Reachability property qltransition_115 is true.
Reachability property qltransition_114 is true.
Reachability property qltransition_113 is true.
Reachability property qltransition_112 is true.
Reachability property qltransition_111 is true.
Reachability property qltransition_110 is true.
Reachability property qltransition_109 is true.
Reachability property qltransition_108 is true.
SDD proceeding with computation,87 properties remain. new max is 256
SDD size :203513 after 2.67994e+06
SDD proceeding with computation,87 properties remain. new max is 512
SDD size :2.67994e+06 after 2.68063e+06
Reachability property qltransition_681 is true.
SDD proceeding with computation,86 properties remain. new max is 512
SDD size :2.68063e+06 after 2.70065e+06
Reachability property qltransition_711 is true.
Reachability property qltransition_705 is true.
Reachability property qltransition_699 is true.
Reachability property qltransition_693 is true.
Reachability property qltransition_687 is true.
Reachability property qltransition_552 is true.
Reachability property qltransition_551 is true.
Reachability property qltransition_280 is true.
Reachability property qltransition_279 is true.
Reachability property qltransition_107 is true.
Reachability property qltransition_104 is true.
SDD proceeding with computation,75 properties remain. new max is 512
SDD size :2.70065e+06 after 5.18226e+06
Reachability property qltransition_139 is true.
Reachability property qltransition_138 is true.
Reachability property qltransition_106 is true.
Reachability property qltransition_105 is true.
SDD proceeding with computation,71 properties remain. new max is 512
SDD size :5.18226e+06 after 1.3389e+07
Reachability property qltransition_704 is true.
Reachability property qltransition_703 is true.
Reachability property qltransition_702 is true.
Reachability property qltransition_701 is true.
Reachability property qltransition_700 is true.
Reachability property qltransition_149 is true.
Reachability property qltransition_148 is true.
Reachability property qltransition_147 is true.
Reachability property qltransition_146 is true.
Reachability property qltransition_145 is true.
Reachability property qltransition_142 is true.
Reachability property qltransition_141 is true.
Reachability property qltransition_140 is true.
Reachability property qltransition_103 is true.
Reachability property qltransition_102 is true.
Reachability property qltransition_101 is true.
Reachability property qltransition_100 is true.
Reachability property qltransition_99 is true.
Reachability property qltransition_96 is true.
SDD proceeding with computation,52 properties remain. new max is 512
SDD size :1.3389e+07 after 4.51904e+08
Reachability property qltransition_153 is true.
Reachability property qltransition_150 is true.
Interrupted probabilistic random walk after 4097466 steps, run timeout after 15001 ms. (steps per millisecond=273 ) properties seen :0 out of 1
Probabilistic random walk after 4097466 steps, saw 672449 distinct states, run finished after 15006 ms. (steps per millisecond=273 ) properties seen :0
[2025-05-30 06:27:42] [INFO ] Flow matrix only has 248 transitions (discarded 343 similar events)
// Phase 1: matrix 248 rows 157 cols
[2025-05-30 06:27:42] [INFO ] Computed 28 invariants in 5 ms
[2025-05-30 06:27:42] [INFO ] State equation strengthened by 9 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 86/94 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/94 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 63/157 variables, 21/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/157 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 248/405 variables, 157/185 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/405 variables, 9/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/405 variables, 0/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/405 variables, 0/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 405/405 variables, and 194 constraints, problems are : Problem set: 0 solved, 1 unsolved in 177 ms.
Refiners :[Generalized P Invariants (flows): 28/28 constraints, State Equation: 157/157 constraints, ReadFeed: 9/9 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) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 86/94 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/94 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 63/157 variables, 21/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/157 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 248/405 variables, 157/185 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/405 variables, 9/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/405 variables, 1/195 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/405 variables, 0/195 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/405 variables, 0/195 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 405/405 variables, and 195 constraints, problems are : Problem set: 0 solved, 1 unsolved in 212 ms.
Refiners :[Generalized P Invariants (flows): 28/28 constraints, State Equation: 157/157 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 404ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 26 ms.
Support contains 8 out of 157 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 591/591 transitions.
Applied a total of 0 rules in 14 ms. Remains 157 /157 variables (removed 0) and now considering 591/591 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 157/157 places, 591/591 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 591/591 transitions.
Applied a total of 0 rules in 14 ms. Remains 157 /157 variables (removed 0) and now considering 591/591 (removed 0) transitions.
[2025-05-30 06:27:42] [INFO ] Flow matrix only has 248 transitions (discarded 343 similar events)
[2025-05-30 06:27:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 06:27:43] [INFO ] Implicit Places using invariants in 114 ms returned []
[2025-05-30 06:27:43] [INFO ] Flow matrix only has 248 transitions (discarded 343 similar events)
[2025-05-30 06:27:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 06:27:43] [INFO ] State equation strengthened by 9 read => feed constraints.
[2025-05-30 06:27:43] [INFO ] Implicit Places using invariants and state equation in 349 ms returned []
Implicit Place search using SMT with State Equation took 468 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-30 06:27:43] [INFO ] Redundant transitions in 32 ms returned []
Running 542 sub problems to find dead transitions.
[2025-05-30 06:27:43] [INFO ] Flow matrix only has 248 transitions (discarded 343 similar events)
[2025-05-30 06:27:43] [INFO ] Invariant cache hit.
[2025-05-30 06:27:43] [INFO ] State equation strengthened by 9 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/150 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 542 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/150 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 542 unsolved
At refinement iteration 2 (OVERLAPS) 7/157 variables, 7/28 constraints. Problems are: Problem set: 0 solved, 542 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/157 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 542 unsolved
At refinement iteration 4 (OVERLAPS) 248/405 variables, 157/185 constraints. Problems are: Problem set: 0 solved, 542 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/405 variables, 9/194 constraints. Problems are: Problem set: 0 solved, 542 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/405 variables, 0/194 constraints. Problems are: Problem set: 0 solved, 542 unsolved
Error getting values : (error "ParserException while parsing response: ((t0 1.0)
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(t144 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 405/405 variables, and 194 constraints, problems are : Problem set: 0 solved, 542 unsolved in 30023 ms.
Refiners :[Generalized P Invariants (flows): 28/28 constraints, State Equation: 157/157 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 542/542 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 542 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/150 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 542 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/150 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 542 unsolved
At refinement iteration 2 (OVERLAPS) 7/157 variables, 7/28 constraints. Problems are: Problem set: 0 solved, 542 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/157 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 542 unsolved
At refinement iteration 4 (OVERLAPS) 248/405 variables, 157/185 constraints. Problems are: Problem set: 0 solved, 542 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/405 variables, 9/194 constraints. Problems are: Problem set: 0 solved, 542 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/405 variables, 542/736 constraints. Problems are: Problem set: 0 solved, 542 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 405/405 variables, and 736 constraints, problems are : Problem set: 0 solved, 542 unsolved in 30018 ms.
Refiners :[Generalized P Invariants (flows): 28/28 constraints, State Equation: 157/157 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 542/542 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60656ms problems are : Problem set: 0 solved, 542 unsolved
Search for dead transitions found 0 dead transitions in 60658ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61180 ms. Remains : 157/157 places, 591/591 transitions.
RANDOM walk for 4000000 steps (48275 resets) in 13195 ms. (303 steps per ms) remains 1/1 properties
BEST_FIRST walk for 4000004 steps (6868 resets) in 3812 ms. (1049 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 3247781 steps, run timeout after 12001 ms. (steps per millisecond=270 ) properties seen :0 out of 1
Probabilistic random walk after 3247781 steps, saw 546189 distinct states, run finished after 12001 ms. (steps per millisecond=270 ) properties seen :0
[2025-05-30 06:29:00] [INFO ] Flow matrix only has 248 transitions (discarded 343 similar events)
[2025-05-30 06:29:00] [INFO ] Invariant cache hit.
[2025-05-30 06:29:00] [INFO ] State equation strengthened by 9 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 86/94 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/94 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 63/157 variables, 21/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/157 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 248/405 variables, 157/185 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/405 variables, 9/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/405 variables, 0/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/405 variables, 0/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 405/405 variables, and 194 constraints, problems are : Problem set: 0 solved, 1 unsolved in 144 ms.
Refiners :[Generalized P Invariants (flows): 28/28 constraints, State Equation: 157/157 constraints, ReadFeed: 9/9 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) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 86/94 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/94 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 63/157 variables, 21/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/157 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 248/405 variables, 157/185 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/405 variables, 9/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/405 variables, 1/195 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/405 variables, 0/195 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/405 variables, 0/195 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 405/405 variables, and 195 constraints, problems are : Problem set: 0 solved, 1 unsolved in 156 ms.
Refiners :[Generalized P Invariants (flows): 28/28 constraints, State Equation: 157/157 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 310ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 28 ms.
Support contains 8 out of 157 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 591/591 transitions.
Applied a total of 0 rules in 12 ms. Remains 157 /157 variables (removed 0) and now considering 591/591 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 157/157 places, 591/591 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 591/591 transitions.
Applied a total of 0 rules in 11 ms. Remains 157 /157 variables (removed 0) and now considering 591/591 (removed 0) transitions.
[2025-05-30 06:29:00] [INFO ] Flow matrix only has 248 transitions (discarded 343 similar events)
[2025-05-30 06:29:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 06:29:01] [INFO ] Implicit Places using invariants in 107 ms returned []
[2025-05-30 06:29:01] [INFO ] Flow matrix only has 248 transitions (discarded 343 similar events)
[2025-05-30 06:29:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 06:29:01] [INFO ] State equation strengthened by 9 read => feed constraints.
[2025-05-30 06:29:01] [INFO ] Implicit Places using invariants and state equation in 253 ms returned []
Implicit Place search using SMT with State Equation took 361 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-30 06:29:01] [INFO ] Redundant transitions in 5 ms returned []
Running 542 sub problems to find dead transitions.
[2025-05-30 06:29:01] [INFO ] Flow matrix only has 248 transitions (discarded 343 similar events)
[2025-05-30 06:29:01] [INFO ] Invariant cache hit.
[2025-05-30 06:29:01] [INFO ] State equation strengthened by 9 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/150 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 542 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/150 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 542 unsolved
At refinement iteration 2 (OVERLAPS) 7/157 variables, 7/28 constraints. Problems are: Problem set: 0 solved, 542 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/157 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 542 unsolved
At refinement iteration 4 (OVERLAPS) 248/405 variables, 157/185 constraints. Problems are: Problem set: 0 solved, 542 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/405 variables, 9/194 constraints. Problems are: Problem set: 0 solved, 542 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/405 variables, 0/194 constraints. Problems are: Problem set: 0 solved, 542 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 405/405 variables, and 194 constraints, problems are : Problem set: 0 solved, 542 unsolved in 30019 ms.
Refiners :[Generalized P Invariants (flows): 28/28 constraints, State Equation: 157/157 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 542/542 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 542 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/150 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 542 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/150 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 542 unsolved
At refinement iteration 2 (OVERLAPS) 7/157 variables, 7/28 constraints. Problems are: Problem set: 0 solved, 542 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/157 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 542 unsolved
At refinement iteration 4 (OVERLAPS) 248/405 variables, 157/185 constraints. Problems are: Problem set: 0 solved, 542 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/405 variables, 9/194 constraints. Problems are: Problem set: 0 solved, 542 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/405 variables, 542/736 constraints. Problems are: Problem set: 0 solved, 542 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 405/405 variables, and 736 constraints, problems are : Problem set: 0 solved, 542 unsolved in 30031 ms.
Refiners :[Generalized P Invariants (flows): 28/28 constraints, State Equation: 157/157 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 542/542 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60576ms problems are : Problem set: 0 solved, 542 unsolved
Search for dead transitions found 0 dead transitions in 60578ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 60963 ms. Remains : 157/157 places, 591/591 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 111 edges and 157 vertex of which 49 / 157 are part of one of the 7 SCC in 0 ms
Free SCC test removed 42 places
Drop transitions (Empty/Sink Transition effects.) removed 56 transitions
Ensure Unique test removed 343 transitions
Reduce isomorphic transitions removed 399 transitions.
Ensure Unique test removed 13 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 29 transitions
Trivial Post-agglo rules discarded 29 transitions
Performed 29 trivial Post agglomeration. Transition count delta: 29
Iterating post reduction 0 with 42 rules applied. Total rules applied 43 place count 102 transition count 163
Reduce places removed 29 places and 0 transitions.
Iterating post reduction 1 with 29 rules applied. Total rules applied 72 place count 73 transition count 163
Performed 12 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 12 Pre rules applied. Total rules applied 72 place count 73 transition count 151
Deduced a syphon composed of 12 places in 1 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 2 with 24 rules applied. Total rules applied 96 place count 61 transition count 151
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 102 place count 55 transition count 145
Iterating global reduction 2 with 6 rules applied. Total rules applied 108 place count 55 transition count 145
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 114 place count 49 transition count 103
Iterating global reduction 2 with 6 rules applied. Total rules applied 120 place count 49 transition count 103
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 126 place count 49 transition count 97
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 128 place count 48 transition count 96
Drop transitions (Redundant composition of simpler transitions.) removed 14 transitions
Redundant transition composition rules discarded 14 transitions
Iterating global reduction 3 with 14 rules applied. Total rules applied 142 place count 48 transition count 82
Performed 7 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 7 Pre rules applied. Total rules applied 142 place count 48 transition count 75
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 3 with 14 rules applied. Total rules applied 156 place count 41 transition count 75
Applied a total of 156 rules in 36 ms. Remains 41 /157 variables (removed 116) and now considering 75/591 (removed 516) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 75 rows 41 cols
[2025-05-30 06:30:01] [INFO ] Computed 15 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-30 06:30:01] [INFO ] [Real]Absence check using 0 positive and 15 generalized place invariants in 3 ms returned sat
[2025-05-30 06:30:01] [INFO ] After 76ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-30 06:30:02] [INFO ] [Nat]Absence check using 0 positive and 15 generalized place invariants in 3 ms returned sat
[2025-05-30 06:30:02] [INFO ] After 27ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-05-30 06:30:02] [INFO ] After 35ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-05-30 06:30:02] [INFO ] After 88ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-05-30 06:30:02] [INFO ] Flatten gal took : 7 ms
[2025-05-30 06:30:02] [INFO ] Flatten gal took : 23 ms
[2025-05-30 06:30:02] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5288401968498353588.gal : 3 ms
[2025-05-30 06:30:02] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9077619082488507339.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/ReachabilityCardinality5288401968498353588.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9077619082488507339.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality9077619082488507339.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 7
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :7 after 8
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :8 after 31
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :31 after 150
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :150 after 190
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :190 after 3173
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,107495,0.057448,4932,2,612,11,4645,7,0,242,2921,0
Total reachable state count : 107495

Verifying 1 reachability properties.
Reachability property qltransition_94 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_94,1,0.058123,4932,2,42,11,4645,7,0,251,2921,0
Over-approximation ignoring read arcs solved 0 properties in 339 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2025-05-30 06:30:02] [INFO ] Flatten gal took : 54 ms
[2025-05-30 06:30:02] [INFO ] Applying decomposition
[2025-05-30 06:30:02] [INFO ] Flatten gal took : 47 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/graph11193264315259254473.txt' '-o' '/tmp/graph11193264315259254473.bin' '-w' '/tmp/graph11193264315259254473.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph11193264315259254473.bin' '-l' '-1' '-v' '-w' '/tmp/graph11193264315259254473.weights' '-q' '0' '-e' '0.001'
[2025-05-30 06:30:02] [INFO ] Decomposing Gal with order
[2025-05-30 06:30:02] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-05-30 06:30:02] [INFO ] Removed a total of 1609 redundant transitions.
[2025-05-30 06:30:02] [INFO ] Flatten gal took : 215 ms
[2025-05-30 06:30:02] [INFO ] Fuse similar labels procedure discarded/fused a total of 207 labels/synchronizations in 27 ms.
[2025-05-30 06:30:02] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1195620170616288153.gal : 7 ms
[2025-05-30 06:30:03] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4654140201571330.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/ReachabilityCardinality1195620170616288153.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4654140201571330.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 ...304
Loading property file /tmp/ReachabilityCardinality4654140201571330.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 26
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :26 after 36
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :36 after 199683
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :199683 after 9.92578e+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,6.63848e+09,0.1623,8512,243,108,7475,855,848,12620,240,1718,0
Total reachable state count : 6638479029

Verifying 1 reachability properties.
Reachability property qltransition_94 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_94,1,0.163426,8768,44,29,7475,855,867,12620,244,1718,71
Able to resolve query QuasiLiveness after proving 228 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK DECISION_DIAGRAMS COLLATERAL_PROCESSING BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE USE_NUPN
Total runtime 235751 ms.

BK_STOP 1748586603274

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ QuasiLiveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="CloudDeployment-PT-7a"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool itstools"
echo " Input is CloudDeployment-PT-7a, examination is QuasiLiveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r049-tall-174854035500052"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudDeployment-PT-7a.tgz
mv CloudDeployment-PT-7a execution
cd execution
if [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

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