Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2023-input.r137-smll-167819418700533.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5348
Executing tool ltsminxred
Input is DoubleLock-PT-p2s1, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r137-smll-167819418700533
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 548K
-rw-r--r-- 1 mcc users 6.1K Feb 25 14:19 CTLCardinality.txt
-rw-r--r-- 1 mcc users 66K Feb 25 14:19 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.0K Feb 25 14:18 CTLFireability.txt
-rw-r--r-- 1 mcc users 60K Feb 25 14:18 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K Feb 25 16:01 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Feb 25 16:01 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Feb 25 16:01 LTLFireability.txt
-rw-r--r-- 1 mcc users 15K Feb 25 16:01 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Feb 25 14:20 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 134K Feb 25 14:20 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.2K Feb 25 14:20 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 70K Feb 25 14:20 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 16:01 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:01 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 97K Mar 5 18:22 model.pnml

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

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

The expected result is a vector of positive values
NUM_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME DoubleLock-PT-p2s1-UpperBounds-00
FORMULA_NAME DoubleLock-PT-p2s1-UpperBounds-01
FORMULA_NAME DoubleLock-PT-p2s1-UpperBounds-02
FORMULA_NAME DoubleLock-PT-p2s1-UpperBounds-03
FORMULA_NAME DoubleLock-PT-p2s1-UpperBounds-04
FORMULA_NAME DoubleLock-PT-p2s1-UpperBounds-05
FORMULA_NAME DoubleLock-PT-p2s1-UpperBounds-06
FORMULA_NAME DoubleLock-PT-p2s1-UpperBounds-07
FORMULA_NAME DoubleLock-PT-p2s1-UpperBounds-08
FORMULA_NAME DoubleLock-PT-p2s1-UpperBounds-09
FORMULA_NAME DoubleLock-PT-p2s1-UpperBounds-10
FORMULA_NAME DoubleLock-PT-p2s1-UpperBounds-11
FORMULA_NAME DoubleLock-PT-p2s1-UpperBounds-12
FORMULA_NAME DoubleLock-PT-p2s1-UpperBounds-13
FORMULA_NAME DoubleLock-PT-p2s1-UpperBounds-14
FORMULA_NAME DoubleLock-PT-p2s1-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1678927782699

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DoubleLock-PT-p2s1
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-16 00:49:45] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2023-03-16 00:49:45] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-16 00:49:45] [INFO ] Load time of PNML (sax parser for PT used): 97 ms
[2023-03-16 00:49:45] [INFO ] Transformed 64 places.
[2023-03-16 00:49:45] [INFO ] Transformed 212 transitions.
[2023-03-16 00:49:45] [INFO ] Parsed PT model containing 64 places and 212 transitions and 860 arcs in 194 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 9 ms.
Deduced a syphon composed of 8 places in 1 ms
Reduce places removed 8 places and 8 transitions.
FORMULA DoubleLock-PT-p2s1-UpperBounds-00 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DoubleLock-PT-p2s1-UpperBounds-03 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DoubleLock-PT-p2s1-UpperBounds-04 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Normalized transition count is 152 out of 204 initially.
// Phase 1: matrix 152 rows 56 cols
[2023-03-16 00:49:45] [INFO ] Computed 4 place invariants in 22 ms
Incomplete random walk after 10000 steps, including 52 resets, run finished after 58 ms. (steps per millisecond=172 ) properties (out of 13) seen :27
FORMULA DoubleLock-PT-p2s1-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DoubleLock-PT-p2s1-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DoubleLock-PT-p2s1-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DoubleLock-PT-p2s1-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DoubleLock-PT-p2s1-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DoubleLock-PT-p2s1-UpperBounds-09 10 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DoubleLock-PT-p2s1-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DoubleLock-PT-p2s1-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DoubleLock-PT-p2s1-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DoubleLock-PT-p2s1-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DoubleLock-PT-p2s1-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 10 resets, run finished after 16 ms. (steps per millisecond=625 ) properties (out of 2) seen :3
Incomplete Best-First random walk after 10001 steps, including 12 resets, run finished after 15 ms. (steps per millisecond=666 ) properties (out of 2) seen :15
[2023-03-16 00:49:45] [INFO ] Flow matrix only has 152 transitions (discarded 52 similar events)
// Phase 1: matrix 152 rows 56 cols
[2023-03-16 00:49:45] [INFO ] Computed 4 place invariants in 5 ms
[2023-03-16 00:49:45] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2023-03-16 00:49:45] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-16 00:49:45] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 00:49:45] [INFO ] [Real]Absence check using state equation in 89 ms returned sat
[2023-03-16 00:49:45] [INFO ] Solution in real domain found non-integer solution.
[2023-03-16 00:49:45] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-16 00:49:45] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-16 00:49:45] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-16 00:49:46] [INFO ] [Nat]Absence check using state equation in 74 ms returned sat
[2023-03-16 00:49:46] [INFO ] State equation strengthened by 27 read => feed constraints.
[2023-03-16 00:49:46] [INFO ] [Nat]Added 27 Read/Feed constraints in 10 ms returned sat
[2023-03-16 00:49:46] [INFO ] Computed and/alt/rep : 67/466/67 causal constraints (skipped 83 transitions) in 40 ms.
[2023-03-16 00:49:46] [INFO ] Deduced a trap composed of 12 places in 99 ms of which 5 ms to minimize.
[2023-03-16 00:49:46] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 132 ms
[2023-03-16 00:49:46] [INFO ] Added : 27 causal constraints over 6 iterations in 329 ms. Result :sat
Minimization took 39 ms.
[2023-03-16 00:49:46] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-16 00:49:46] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-16 00:49:46] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 00:49:46] [INFO ] [Real]Absence check using state equation in 68 ms returned sat
[2023-03-16 00:49:46] [INFO ] Solution in real domain found non-integer solution.
[2023-03-16 00:49:46] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-16 00:49:46] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-16 00:49:46] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-16 00:49:46] [INFO ] [Nat]Absence check using state equation in 66 ms returned sat
[2023-03-16 00:49:46] [INFO ] [Nat]Added 27 Read/Feed constraints in 12 ms returned sat
[2023-03-16 00:49:46] [INFO ] Computed and/alt/rep : 67/466/67 causal constraints (skipped 83 transitions) in 26 ms.
[2023-03-16 00:49:46] [INFO ] Added : 11 causal constraints over 3 iterations in 89 ms. Result :sat
Minimization took 39 ms.
Current structural bounds on expressions (after SMT) : [-1, -1] Max seen :[2, 13]
Support contains 2 out of 56 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 56/56 places, 204/204 transitions.
Graph (complete) has 357 edges and 56 vertex of which 52 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.2 ms
Discarding 4 places :
Also discarding 0 output transitions
Drop transitions removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 5 place count 52 transition count 200
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 6 place count 51 transition count 196
Iterating global reduction 1 with 1 rules applied. Total rules applied 7 place count 51 transition count 196
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 8 place count 50 transition count 192
Iterating global reduction 1 with 1 rules applied. Total rules applied 9 place count 50 transition count 192
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 10 place count 49 transition count 188
Iterating global reduction 1 with 1 rules applied. Total rules applied 11 place count 49 transition count 188
Applied a total of 11 rules in 53 ms. Remains 49 /56 variables (removed 7) and now considering 188/204 (removed 16) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 54 ms. Remains : 49/56 places, 188/204 transitions.
Normalized transition count is 139 out of 188 initially.
// Phase 1: matrix 139 rows 49 cols
[2023-03-16 00:49:47] [INFO ] Computed 3 place invariants in 3 ms
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 1882 ms. (steps per millisecond=531 ) properties (out of 2) seen :19
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 580 ms. (steps per millisecond=1724 ) properties (out of 2) seen :21
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 634 ms. (steps per millisecond=1577 ) properties (out of 2) seen :1419
[2023-03-16 00:49:50] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
// Phase 1: matrix 139 rows 49 cols
[2023-03-16 00:49:50] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-16 00:49:50] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2023-03-16 00:49:50] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 00:49:50] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2023-03-16 00:49:50] [INFO ] State equation strengthened by 26 read => feed constraints.
[2023-03-16 00:49:50] [INFO ] [Real]Added 26 Read/Feed constraints in 12 ms returned sat
[2023-03-16 00:49:50] [INFO ] Solution in real domain found non-integer solution.
[2023-03-16 00:49:50] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-16 00:49:50] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-16 00:49:50] [INFO ] [Nat]Absence check using state equation in 49 ms returned sat
[2023-03-16 00:49:50] [INFO ] [Nat]Added 26 Read/Feed constraints in 12 ms returned sat
[2023-03-16 00:49:50] [INFO ] Computed and/alt/rep : 59/378/59 causal constraints (skipped 78 transitions) in 23 ms.
[2023-03-16 00:49:50] [INFO ] Added : 17 causal constraints over 5 iterations in 104 ms. Result :sat
Minimization took 25 ms.
[2023-03-16 00:49:50] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-16 00:49:50] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 00:49:50] [INFO ] [Real]Absence check using state equation in 47 ms returned sat
[2023-03-16 00:49:50] [INFO ] Solution in real domain found non-integer solution.
[2023-03-16 00:49:50] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-16 00:49:50] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-16 00:49:50] [INFO ] [Nat]Absence check using state equation in 46 ms returned sat
[2023-03-16 00:49:50] [INFO ] [Nat]Added 26 Read/Feed constraints in 12 ms returned sat
[2023-03-16 00:49:50] [INFO ] Computed and/alt/rep : 59/378/59 causal constraints (skipped 78 transitions) in 19 ms.
[2023-03-16 00:49:50] [INFO ] Added : 33 causal constraints over 7 iterations in 129 ms. Result :sat
Minimization took 29 ms.
Current structural bounds on expressions (after SMT) : [-1, -1] Max seen :[13, 1409]
Support contains 2 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 9 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 49/49 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 9 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2023-03-16 00:49:50] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2023-03-16 00:49:50] [INFO ] Invariant cache hit.
[2023-03-16 00:49:50] [INFO ] Implicit Places using invariants in 89 ms returned []
[2023-03-16 00:49:50] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2023-03-16 00:49:50] [INFO ] Invariant cache hit.
[2023-03-16 00:49:51] [INFO ] State equation strengthened by 26 read => feed constraints.
[2023-03-16 00:49:51] [INFO ] Implicit Places using invariants and state equation in 167 ms returned []
Implicit Place search using SMT with State Equation took 258 ms to find 0 implicit places.
[2023-03-16 00:49:51] [INFO ] Redundant transitions in 8 ms returned []
[2023-03-16 00:49:51] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2023-03-16 00:49:51] [INFO ] Invariant cache hit.
[2023-03-16 00:49:51] [INFO ] Dead Transitions using invariants and state equation in 197 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 479 ms. Remains : 49/49 places, 188/188 transitions.
Normalized transition count is 139 out of 188 initially.
// Phase 1: matrix 139 rows 49 cols
[2023-03-16 00:49:51] [INFO ] Computed 3 place invariants in 1 ms
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 1741 ms. (steps per millisecond=574 ) properties (out of 2) seen :22
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 507 ms. (steps per millisecond=1972 ) properties (out of 2) seen :21
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 559 ms. (steps per millisecond=1788 ) properties (out of 2) seen :1546
[2023-03-16 00:49:54] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
// Phase 1: matrix 139 rows 49 cols
[2023-03-16 00:49:54] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-16 00:49:54] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-16 00:49:54] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 00:49:54] [INFO ] [Real]Absence check using state equation in 42 ms returned sat
[2023-03-16 00:49:54] [INFO ] State equation strengthened by 26 read => feed constraints.
[2023-03-16 00:49:54] [INFO ] [Real]Added 26 Read/Feed constraints in 12 ms returned sat
[2023-03-16 00:49:54] [INFO ] Solution in real domain found non-integer solution.
[2023-03-16 00:49:54] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-16 00:49:54] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-16 00:49:54] [INFO ] [Nat]Absence check using state equation in 40 ms returned sat
[2023-03-16 00:49:54] [INFO ] [Nat]Added 26 Read/Feed constraints in 11 ms returned sat
[2023-03-16 00:49:54] [INFO ] Computed and/alt/rep : 59/378/59 causal constraints (skipped 78 transitions) in 18 ms.
[2023-03-16 00:49:54] [INFO ] Added : 17 causal constraints over 5 iterations in 94 ms. Result :sat
Minimization took 23 ms.
[2023-03-16 00:49:54] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-16 00:49:54] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 00:49:54] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2023-03-16 00:49:54] [INFO ] [Real]Added 26 Read/Feed constraints in 13 ms returned sat
[2023-03-16 00:49:54] [INFO ] Solution in real domain found non-integer solution.
[2023-03-16 00:49:54] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-16 00:49:54] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-16 00:49:54] [INFO ] [Nat]Absence check using state equation in 41 ms returned sat
[2023-03-16 00:49:54] [INFO ] [Nat]Added 26 Read/Feed constraints in 11 ms returned sat
[2023-03-16 00:49:54] [INFO ] Computed and/alt/rep : 59/378/59 causal constraints (skipped 78 transitions) in 18 ms.
[2023-03-16 00:49:54] [INFO ] Added : 28 causal constraints over 6 iterations in 116 ms. Result :sat
Minimization took 69 ms.
Current structural bounds on expressions (after SMT) : [-1, -1] Max seen :[13, 1536]
Support contains 2 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 8 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 49/49 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 8 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2023-03-16 00:49:56] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2023-03-16 00:49:56] [INFO ] Invariant cache hit.
[2023-03-16 00:49:56] [INFO ] Implicit Places using invariants in 89 ms returned []
[2023-03-16 00:49:56] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2023-03-16 00:49:56] [INFO ] Invariant cache hit.
[2023-03-16 00:49:56] [INFO ] State equation strengthened by 26 read => feed constraints.
[2023-03-16 00:49:56] [INFO ] Implicit Places using invariants and state equation in 150 ms returned []
Implicit Place search using SMT with State Equation took 242 ms to find 0 implicit places.
[2023-03-16 00:49:56] [INFO ] Redundant transitions in 7 ms returned []
[2023-03-16 00:49:56] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2023-03-16 00:49:56] [INFO ] Invariant cache hit.
[2023-03-16 00:49:56] [INFO ] Dead Transitions using invariants and state equation in 131 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 396 ms. Remains : 49/49 places, 188/188 transitions.
Normalized transition count is 139 out of 188 initially.
// Phase 1: matrix 139 rows 49 cols
[2023-03-16 00:49:56] [INFO ] Computed 3 place invariants in 1 ms
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 1719 ms. (steps per millisecond=581 ) properties (out of 2) seen :19
Incomplete Best-First random walk after 1000000 steps, including 2 resets, run finished after 514 ms. (steps per millisecond=1945 ) properties (out of 2) seen :20
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 567 ms. (steps per millisecond=1763 ) properties (out of 2) seen :1410
[2023-03-16 00:49:59] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
// Phase 1: matrix 139 rows 49 cols
[2023-03-16 00:49:59] [INFO ] Computed 3 place invariants in 2 ms
[2023-03-16 00:49:59] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-16 00:49:59] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 00:49:59] [INFO ] [Real]Absence check using state equation in 39 ms returned sat
[2023-03-16 00:49:59] [INFO ] State equation strengthened by 26 read => feed constraints.
[2023-03-16 00:49:59] [INFO ] [Real]Added 26 Read/Feed constraints in 10 ms returned sat
[2023-03-16 00:49:59] [INFO ] Solution in real domain found non-integer solution.
[2023-03-16 00:49:59] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-16 00:49:59] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-16 00:49:59] [INFO ] [Nat]Absence check using state equation in 39 ms returned sat
[2023-03-16 00:49:59] [INFO ] [Nat]Added 26 Read/Feed constraints in 13 ms returned sat
[2023-03-16 00:49:59] [INFO ] Computed and/alt/rep : 59/378/59 causal constraints (skipped 78 transitions) in 18 ms.
[2023-03-16 00:49:59] [INFO ] Added : 17 causal constraints over 5 iterations in 94 ms. Result :sat
Minimization took 24 ms.
[2023-03-16 00:49:59] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-16 00:49:59] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 00:49:59] [INFO ] [Real]Absence check using state equation in 45 ms returned sat
[2023-03-16 00:49:59] [INFO ] [Real]Added 26 Read/Feed constraints in 12 ms returned sat
[2023-03-16 00:49:59] [INFO ] Solution in real domain found non-integer solution.
[2023-03-16 00:49:59] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-16 00:49:59] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-16 00:50:00] [INFO ] [Nat]Absence check using state equation in 41 ms returned sat
[2023-03-16 00:50:00] [INFO ] [Nat]Added 26 Read/Feed constraints in 10 ms returned sat
[2023-03-16 00:50:00] [INFO ] Computed and/alt/rep : 59/378/59 causal constraints (skipped 78 transitions) in 20 ms.
[2023-03-16 00:50:00] [INFO ] Added : 28 causal constraints over 6 iterations in 108 ms. Result :sat
Minimization took 69 ms.
Current structural bounds on expressions (after SMT) : [-1, -1] Max seen :[13, 1536]
Support contains 2 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 8 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 49/49 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 8 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2023-03-16 00:50:01] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2023-03-16 00:50:01] [INFO ] Invariant cache hit.
[2023-03-16 00:50:01] [INFO ] Implicit Places using invariants in 80 ms returned []
[2023-03-16 00:50:01] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2023-03-16 00:50:01] [INFO ] Invariant cache hit.
[2023-03-16 00:50:01] [INFO ] State equation strengthened by 26 read => feed constraints.
[2023-03-16 00:50:01] [INFO ] Implicit Places using invariants and state equation in 128 ms returned []
Implicit Place search using SMT with State Equation took 212 ms to find 0 implicit places.
[2023-03-16 00:50:01] [INFO ] Redundant transitions in 2 ms returned []
[2023-03-16 00:50:01] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2023-03-16 00:50:01] [INFO ] Invariant cache hit.
[2023-03-16 00:50:02] [INFO ] Dead Transitions using invariants and state equation in 139 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 368 ms. Remains : 49/49 places, 188/188 transitions.
Starting property specific reduction for DoubleLock-PT-p2s1-UpperBounds-08
Normalized transition count is 139 out of 188 initially.
// Phase 1: matrix 139 rows 49 cols
[2023-03-16 00:50:02] [INFO ] Computed 3 place invariants in 1 ms
Incomplete random walk after 10000 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=526 ) properties (out of 1) seen :5
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=1250 ) properties (out of 1) seen :7
[2023-03-16 00:50:02] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
// Phase 1: matrix 139 rows 49 cols
[2023-03-16 00:50:02] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-16 00:50:02] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2023-03-16 00:50:02] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 00:50:02] [INFO ] [Real]Absence check using state equation in 39 ms returned sat
[2023-03-16 00:50:02] [INFO ] State equation strengthened by 26 read => feed constraints.
[2023-03-16 00:50:02] [INFO ] [Real]Added 26 Read/Feed constraints in 9 ms returned sat
[2023-03-16 00:50:02] [INFO ] Solution in real domain found non-integer solution.
[2023-03-16 00:50:02] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-16 00:50:02] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-16 00:50:02] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2023-03-16 00:50:02] [INFO ] [Nat]Added 26 Read/Feed constraints in 9 ms returned sat
[2023-03-16 00:50:02] [INFO ] Computed and/alt/rep : 59/378/59 causal constraints (skipped 78 transitions) in 15 ms.
[2023-03-16 00:50:02] [INFO ] Added : 16 causal constraints over 4 iterations in 73 ms. Result :sat
Minimization took 23 ms.
Current structural bounds on expressions (after SMT) : [-1] Max seen :[7]
Support contains 1 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 6 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 49/49 places, 188/188 transitions.
Normalized transition count is 139 out of 188 initially.
// Phase 1: matrix 139 rows 49 cols
[2023-03-16 00:50:02] [INFO ] Computed 3 place invariants in 1 ms
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 1732 ms. (steps per millisecond=577 ) properties (out of 1) seen :9
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 518 ms. (steps per millisecond=1930 ) properties (out of 1) seen :14
[2023-03-16 00:50:04] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
// Phase 1: matrix 139 rows 49 cols
[2023-03-16 00:50:04] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-16 00:50:04] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-16 00:50:04] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 00:50:04] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2023-03-16 00:50:04] [INFO ] Solution in real domain found non-integer solution.
[2023-03-16 00:50:04] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-16 00:50:04] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-16 00:50:04] [INFO ] [Nat]Absence check using state equation in 38 ms returned sat
[2023-03-16 00:50:04] [INFO ] State equation strengthened by 26 read => feed constraints.
[2023-03-16 00:50:04] [INFO ] [Nat]Added 26 Read/Feed constraints in 9 ms returned sat
[2023-03-16 00:50:04] [INFO ] Deduced a trap composed of 27 places in 52 ms of which 1 ms to minimize.
[2023-03-16 00:50:04] [INFO ] Deduced a trap composed of 16 places in 53 ms of which 1 ms to minimize.
[2023-03-16 00:50:04] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 123 ms
[2023-03-16 00:50:04] [INFO ] Computed and/alt/rep : 59/378/59 causal constraints (skipped 78 transitions) in 19 ms.
[2023-03-16 00:50:05] [INFO ] Added : 17 causal constraints over 4 iterations in 84 ms. Result :sat
Minimization took 46 ms.
Current structural bounds on expressions (after SMT) : [-1] Max seen :[14]
Support contains 1 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 5 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 49/49 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 6 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2023-03-16 00:50:05] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2023-03-16 00:50:05] [INFO ] Invariant cache hit.
[2023-03-16 00:50:05] [INFO ] Implicit Places using invariants in 80 ms returned []
[2023-03-16 00:50:05] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2023-03-16 00:50:05] [INFO ] Invariant cache hit.
[2023-03-16 00:50:05] [INFO ] State equation strengthened by 26 read => feed constraints.
[2023-03-16 00:50:05] [INFO ] Implicit Places using invariants and state equation in 139 ms returned []
Implicit Place search using SMT with State Equation took 221 ms to find 0 implicit places.
[2023-03-16 00:50:05] [INFO ] Redundant transitions in 2 ms returned []
[2023-03-16 00:50:05] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2023-03-16 00:50:05] [INFO ] Invariant cache hit.
[2023-03-16 00:50:05] [INFO ] Dead Transitions using invariants and state equation in 132 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 374 ms. Remains : 49/49 places, 188/188 transitions.
Normalized transition count is 139 out of 188 initially.
// Phase 1: matrix 139 rows 49 cols
[2023-03-16 00:50:05] [INFO ] Computed 3 place invariants in 2 ms
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 1751 ms. (steps per millisecond=571 ) properties (out of 1) seen :11
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 510 ms. (steps per millisecond=1960 ) properties (out of 1) seen :10
[2023-03-16 00:50:07] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
// Phase 1: matrix 139 rows 49 cols
[2023-03-16 00:50:07] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-16 00:50:07] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-16 00:50:07] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 00:50:07] [INFO ] [Real]Absence check using state equation in 39 ms returned sat
[2023-03-16 00:50:07] [INFO ] Solution in real domain found non-integer solution.
[2023-03-16 00:50:07] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-16 00:50:07] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-16 00:50:07] [INFO ] [Nat]Absence check using state equation in 36 ms returned sat
[2023-03-16 00:50:07] [INFO ] State equation strengthened by 26 read => feed constraints.
[2023-03-16 00:50:07] [INFO ] [Nat]Added 26 Read/Feed constraints in 8 ms returned sat
[2023-03-16 00:50:08] [INFO ] Deduced a trap composed of 27 places in 51 ms of which 1 ms to minimize.
[2023-03-16 00:50:08] [INFO ] Deduced a trap composed of 16 places in 51 ms of which 1 ms to minimize.
[2023-03-16 00:50:08] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 120 ms
[2023-03-16 00:50:08] [INFO ] Computed and/alt/rep : 59/378/59 causal constraints (skipped 78 transitions) in 11 ms.
[2023-03-16 00:50:08] [INFO ] Added : 17 causal constraints over 4 iterations in 77 ms. Result :sat
Minimization took 45 ms.
Current structural bounds on expressions (after SMT) : [-1] Max seen :[14]
Support contains 1 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 6 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 49/49 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 5 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2023-03-16 00:50:08] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2023-03-16 00:50:08] [INFO ] Invariant cache hit.
[2023-03-16 00:50:08] [INFO ] Implicit Places using invariants in 106 ms returned []
[2023-03-16 00:50:08] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2023-03-16 00:50:08] [INFO ] Invariant cache hit.
[2023-03-16 00:50:08] [INFO ] State equation strengthened by 26 read => feed constraints.
[2023-03-16 00:50:08] [INFO ] Implicit Places using invariants and state equation in 174 ms returned []
Implicit Place search using SMT with State Equation took 282 ms to find 0 implicit places.
[2023-03-16 00:50:08] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-16 00:50:08] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2023-03-16 00:50:08] [INFO ] Invariant cache hit.
[2023-03-16 00:50:08] [INFO ] Dead Transitions using invariants and state equation in 126 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 423 ms. Remains : 49/49 places, 188/188 transitions.
Ending property specific reduction for DoubleLock-PT-p2s1-UpperBounds-08 in 6627 ms.
Starting property specific reduction for DoubleLock-PT-p2s1-UpperBounds-11
Normalized transition count is 139 out of 188 initially.
// Phase 1: matrix 139 rows 49 cols
[2023-03-16 00:50:08] [INFO ] Computed 3 place invariants in 1 ms
Incomplete random walk after 10000 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 1) seen :5
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 7 ms. (steps per millisecond=1428 ) properties (out of 1) seen :16
[2023-03-16 00:50:08] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
// Phase 1: matrix 139 rows 49 cols
[2023-03-16 00:50:08] [INFO ] Computed 3 place invariants in 0 ms
[2023-03-16 00:50:08] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-16 00:50:08] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 00:50:08] [INFO ] [Real]Absence check using state equation in 39 ms returned sat
[2023-03-16 00:50:08] [INFO ] State equation strengthened by 26 read => feed constraints.
[2023-03-16 00:50:08] [INFO ] [Real]Added 26 Read/Feed constraints in 11 ms returned sat
[2023-03-16 00:50:08] [INFO ] Solution in real domain found non-integer solution.
[2023-03-16 00:50:08] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-16 00:50:08] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-16 00:50:08] [INFO ] [Nat]Absence check using state equation in 37 ms returned sat
[2023-03-16 00:50:08] [INFO ] [Nat]Added 26 Read/Feed constraints in 10 ms returned sat
[2023-03-16 00:50:08] [INFO ] Computed and/alt/rep : 59/378/59 causal constraints (skipped 78 transitions) in 11 ms.
[2023-03-16 00:50:08] [INFO ] Added : 18 causal constraints over 4 iterations in 78 ms. Result :sat
Minimization took 23 ms.
Current structural bounds on expressions (after SMT) : [-1] Max seen :[16]
Support contains 1 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 5 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 49/49 places, 188/188 transitions.
Normalized transition count is 139 out of 188 initially.
// Phase 1: matrix 139 rows 49 cols
[2023-03-16 00:50:09] [INFO ] Computed 3 place invariants in 1 ms
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 1725 ms. (steps per millisecond=579 ) properties (out of 1) seen :11
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 556 ms. (steps per millisecond=1798 ) properties (out of 1) seen :1388
[2023-03-16 00:50:11] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
// Phase 1: matrix 139 rows 49 cols
[2023-03-16 00:50:11] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-16 00:50:11] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-16 00:50:11] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 00:50:11] [INFO ] [Real]Absence check using state equation in 39 ms returned sat
[2023-03-16 00:50:11] [INFO ] State equation strengthened by 26 read => feed constraints.
[2023-03-16 00:50:11] [INFO ] [Real]Added 26 Read/Feed constraints in 15 ms returned sat
[2023-03-16 00:50:11] [INFO ] Solution in real domain found non-integer solution.
[2023-03-16 00:50:11] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-16 00:50:11] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-16 00:50:11] [INFO ] [Nat]Absence check using state equation in 42 ms returned sat
[2023-03-16 00:50:11] [INFO ] [Nat]Added 26 Read/Feed constraints in 10 ms returned sat
[2023-03-16 00:50:11] [INFO ] Computed and/alt/rep : 59/378/59 causal constraints (skipped 78 transitions) in 12 ms.
[2023-03-16 00:50:11] [INFO ] Added : 28 causal constraints over 6 iterations in 98 ms. Result :sat
Minimization took 72 ms.
Current structural bounds on expressions (after SMT) : [-1] Max seen :[1388]
Support contains 1 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 6 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 49/49 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 5 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2023-03-16 00:50:13] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2023-03-16 00:50:13] [INFO ] Invariant cache hit.
[2023-03-16 00:50:13] [INFO ] Implicit Places using invariants in 104 ms returned []
[2023-03-16 00:50:13] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2023-03-16 00:50:13] [INFO ] Invariant cache hit.
[2023-03-16 00:50:13] [INFO ] State equation strengthened by 26 read => feed constraints.
[2023-03-16 00:50:13] [INFO ] Implicit Places using invariants and state equation in 145 ms returned []
Implicit Place search using SMT with State Equation took 256 ms to find 0 implicit places.
[2023-03-16 00:50:13] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-16 00:50:13] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2023-03-16 00:50:13] [INFO ] Invariant cache hit.
[2023-03-16 00:50:13] [INFO ] Dead Transitions using invariants and state equation in 130 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 404 ms. Remains : 49/49 places, 188/188 transitions.
Normalized transition count is 139 out of 188 initially.
// Phase 1: matrix 139 rows 49 cols
[2023-03-16 00:50:13] [INFO ] Computed 3 place invariants in 4 ms
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 1719 ms. (steps per millisecond=581 ) properties (out of 1) seen :9
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 555 ms. (steps per millisecond=1801 ) properties (out of 1) seen :1418
[2023-03-16 00:50:15] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
// Phase 1: matrix 139 rows 49 cols
[2023-03-16 00:50:15] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-16 00:50:15] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-16 00:50:15] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 00:50:15] [INFO ] [Real]Absence check using state equation in 39 ms returned sat
[2023-03-16 00:50:15] [INFO ] State equation strengthened by 26 read => feed constraints.
[2023-03-16 00:50:15] [INFO ] [Real]Added 26 Read/Feed constraints in 16 ms returned sat
[2023-03-16 00:50:15] [INFO ] Solution in real domain found non-integer solution.
[2023-03-16 00:50:15] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-16 00:50:15] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-16 00:50:15] [INFO ] [Nat]Absence check using state equation in 41 ms returned sat
[2023-03-16 00:50:15] [INFO ] [Nat]Added 26 Read/Feed constraints in 10 ms returned sat
[2023-03-16 00:50:15] [INFO ] Computed and/alt/rep : 59/378/59 causal constraints (skipped 78 transitions) in 12 ms.
[2023-03-16 00:50:15] [INFO ] Added : 28 causal constraints over 6 iterations in 99 ms. Result :sat
Minimization took 72 ms.
Current structural bounds on expressions (after SMT) : [-1] Max seen :[1418]
Support contains 1 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 5 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 49/49 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 5 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2023-03-16 00:50:17] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2023-03-16 00:50:17] [INFO ] Invariant cache hit.
[2023-03-16 00:50:17] [INFO ] Implicit Places using invariants in 86 ms returned []
[2023-03-16 00:50:17] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2023-03-16 00:50:17] [INFO ] Invariant cache hit.
[2023-03-16 00:50:17] [INFO ] State equation strengthened by 26 read => feed constraints.
[2023-03-16 00:50:17] [INFO ] Implicit Places using invariants and state equation in 146 ms returned []
Implicit Place search using SMT with State Equation took 234 ms to find 0 implicit places.
[2023-03-16 00:50:17] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-16 00:50:17] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2023-03-16 00:50:17] [INFO ] Invariant cache hit.
[2023-03-16 00:50:17] [INFO ] Dead Transitions using invariants and state equation in 134 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 381 ms. Remains : 49/49 places, 188/188 transitions.
Normalized transition count is 139 out of 188 initially.
// Phase 1: matrix 139 rows 49 cols
[2023-03-16 00:50:17] [INFO ] Computed 3 place invariants in 1 ms
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 1743 ms. (steps per millisecond=573 ) properties (out of 1) seen :10
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 553 ms. (steps per millisecond=1808 ) properties (out of 1) seen :1487
[2023-03-16 00:50:20] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
// Phase 1: matrix 139 rows 49 cols
[2023-03-16 00:50:20] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-16 00:50:20] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-16 00:50:20] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 00:50:20] [INFO ] [Real]Absence check using state equation in 40 ms returned sat
[2023-03-16 00:50:20] [INFO ] Solution in real domain found non-integer solution.
[2023-03-16 00:50:20] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-16 00:50:20] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-16 00:50:20] [INFO ] [Nat]Absence check using state equation in 40 ms returned sat
[2023-03-16 00:50:20] [INFO ] State equation strengthened by 26 read => feed constraints.
[2023-03-16 00:50:20] [INFO ] [Nat]Added 26 Read/Feed constraints in 11 ms returned sat
[2023-03-16 00:50:20] [INFO ] Computed and/alt/rep : 59/378/59 causal constraints (skipped 78 transitions) in 12 ms.
[2023-03-16 00:50:20] [INFO ] Added : 33 causal constraints over 7 iterations in 122 ms. Result :sat
Minimization took 29 ms.
Current structural bounds on expressions (after SMT) : [-1] Max seen :[1487]
Support contains 1 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 5 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 49/49 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 4 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2023-03-16 00:50:20] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2023-03-16 00:50:20] [INFO ] Invariant cache hit.
[2023-03-16 00:50:20] [INFO ] Implicit Places using invariants in 79 ms returned []
[2023-03-16 00:50:20] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2023-03-16 00:50:20] [INFO ] Invariant cache hit.
[2023-03-16 00:50:20] [INFO ] State equation strengthened by 26 read => feed constraints.
[2023-03-16 00:50:20] [INFO ] Implicit Places using invariants and state equation in 139 ms returned []
Implicit Place search using SMT with State Equation took 220 ms to find 0 implicit places.
[2023-03-16 00:50:20] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-16 00:50:20] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2023-03-16 00:50:20] [INFO ] Invariant cache hit.
[2023-03-16 00:50:20] [INFO ] Dead Transitions using invariants and state equation in 120 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 351 ms. Remains : 49/49 places, 188/188 transitions.
Normalized transition count is 139 out of 188 initially.
// Phase 1: matrix 139 rows 49 cols
[2023-03-16 00:50:20] [INFO ] Computed 3 place invariants in 1 ms
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 1732 ms. (steps per millisecond=577 ) properties (out of 1) seen :13
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 552 ms. (steps per millisecond=1811 ) properties (out of 1) seen :1448
[2023-03-16 00:50:23] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
// Phase 1: matrix 139 rows 49 cols
[2023-03-16 00:50:23] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-16 00:50:23] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-16 00:50:23] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 00:50:23] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2023-03-16 00:50:23] [INFO ] Solution in real domain found non-integer solution.
[2023-03-16 00:50:23] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-16 00:50:23] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-16 00:50:23] [INFO ] [Nat]Absence check using state equation in 39 ms returned sat
[2023-03-16 00:50:23] [INFO ] State equation strengthened by 26 read => feed constraints.
[2023-03-16 00:50:23] [INFO ] [Nat]Added 26 Read/Feed constraints in 12 ms returned sat
[2023-03-16 00:50:23] [INFO ] Computed and/alt/rep : 59/378/59 causal constraints (skipped 78 transitions) in 16 ms.
[2023-03-16 00:50:23] [INFO ] Added : 33 causal constraints over 7 iterations in 127 ms. Result :sat
Minimization took 30 ms.
Current structural bounds on expressions (after SMT) : [-1] Max seen :[1487]
Support contains 1 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 3 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 49/49 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 3 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2023-03-16 00:50:23] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2023-03-16 00:50:23] [INFO ] Invariant cache hit.
[2023-03-16 00:50:23] [INFO ] Implicit Places using invariants in 59 ms returned []
[2023-03-16 00:50:23] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2023-03-16 00:50:23] [INFO ] Invariant cache hit.
[2023-03-16 00:50:23] [INFO ] State equation strengthened by 26 read => feed constraints.
[2023-03-16 00:50:23] [INFO ] Implicit Places using invariants and state equation in 137 ms returned []
Implicit Place search using SMT with State Equation took 199 ms to find 0 implicit places.
[2023-03-16 00:50:23] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-16 00:50:23] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2023-03-16 00:50:23] [INFO ] Invariant cache hit.
[2023-03-16 00:50:23] [INFO ] Dead Transitions using invariants and state equation in 110 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 320 ms. Remains : 49/49 places, 188/188 transitions.
Ending property specific reduction for DoubleLock-PT-p2s1-UpperBounds-11 in 14944 ms.
[2023-03-16 00:50:23] [INFO ] Flatten gal took : 73 ms
[2023-03-16 00:50:23] [INFO ] Export to MCC of 2 properties in file /home/mcc/execution/UpperBounds.sr.xml took 2 ms.
[2023-03-16 00:50:23] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 49 places, 188 transitions and 760 arcs took 3 ms.
Total runtime 38780 ms.
There are residual formulas that ITS could not solve within timeout
pnml2lts-sym model.pnml --lace-workers=4 --vset=lddmc --saturation=sat -rbs,w2W,ru,hf --sylvan-sizes=20,28,20,28 --maxsum=/tmp/712/ub_0_ --maxsum=/tmp/712/ub_1_
Could not compute solution for formula : DoubleLock-PT-p2s1-UpperBounds-08
Could not compute solution for formula : DoubleLock-PT-p2s1-UpperBounds-11

BK_STOP 1678928306893

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -timeout 360 -rebuildPNML
mcc2023
ub formula name DoubleLock-PT-p2s1-UpperBounds-08
ub formula formula --maxsum=/tmp/712/ub_0_
ub formula name DoubleLock-PT-p2s1-UpperBounds-11
ub formula formula --maxsum=/tmp/712/ub_1_
pnml2lts-sym: Exploration order is bfs-prev
pnml2lts-sym: Saturation strategy is sat
pnml2lts-sym: Guided search strategy is unguided
pnml2lts-sym: Attractor strategy is default
pnml2lts-sym: opening model.pnml
pnml2lts-sym: Edge label is id
Warning: program compiled against libxml 210 using older 209
pnml2lts-sym: Petri net has 49 places, 188 transitions and 760 arcs
pnml2lts-sym: Petri net DoubleLock_PT_p2s1 analyzed
pnml2lts-sym: There are no safe places
pnml2lts-sym: Loading Petri net took 0.000 real 0.000 user 0.000 sys
pnml2lts-sym: Initializing regrouping layer
pnml2lts-sym: Regroup specification: bs,w2W,ru,hf
pnml2lts-sym: Regroup Boost's Sloan
pnml2lts-sym: Regroup over-approximate must-write to may-write
pnml2lts-sym: Regroup Row sUbsume
pnml2lts-sym: Reqroup Horizontal Flip
pnml2lts-sym: Regrouping: 188->159 groups
pnml2lts-sym: Regrouping took 0.030 real 0.030 user 0.000 sys
pnml2lts-sym: state vector length is 49; there are 159 groups
pnml2lts-sym: Computing maximum sum over 1 state variables.
pnml2lts-sym: Computing maximum sum over 1 state variables.
pnml2lts-sym: Creating a multi-core ListDD domain.
pnml2lts-sym: Sylvan allocates 15.000 GB virtual memory for nodes table and operation cache.
pnml2lts-sym: Initial nodes table and operation cache requires 60.00 MB.
pnml2lts-sym: Using GBgetTransitionsShortR2W as next-state function
pnml2lts-sym: got initial state
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done

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="DoubleLock-PT-p2s1"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="ltsminxred"
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 2-5348"
echo " Executing tool ltsminxred"
echo " Input is DoubleLock-PT-p2s1, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r137-smll-167819418700533"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DoubleLock-PT-p2s1.tgz
mv DoubleLock-PT-p2s1 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "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 [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "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 "UpperBounds.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property UpperBounds.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "UpperBounds.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 '' UpperBounds.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
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 ;