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-167819418700509.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)
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=====================================================================
Generated by BenchKit 2-5348
Executing tool ltsminxred
Input is DoubleLock-PT-p1s1, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r137-smll-167819418700509
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 508K
-rw-r--r-- 1 mcc users 5.5K Feb 25 14:24 CTLCardinality.txt
-rw-r--r-- 1 mcc users 56K Feb 25 14:24 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K Feb 25 14:24 CTLFireability.txt
-rw-r--r-- 1 mcc users 49K Feb 25 14:24 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:01 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K 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 16K Feb 25 16:01 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Feb 25 14:25 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 113K Feb 25 14:25 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.3K Feb 25 14:25 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 73K Feb 25 14:25 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 93K 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-p1s1-UpperBounds-00
FORMULA_NAME DoubleLock-PT-p1s1-UpperBounds-01
FORMULA_NAME DoubleLock-PT-p1s1-UpperBounds-02
FORMULA_NAME DoubleLock-PT-p1s1-UpperBounds-03
FORMULA_NAME DoubleLock-PT-p1s1-UpperBounds-04
FORMULA_NAME DoubleLock-PT-p1s1-UpperBounds-05
FORMULA_NAME DoubleLock-PT-p1s1-UpperBounds-06
FORMULA_NAME DoubleLock-PT-p1s1-UpperBounds-07
FORMULA_NAME DoubleLock-PT-p1s1-UpperBounds-08
FORMULA_NAME DoubleLock-PT-p1s1-UpperBounds-09
FORMULA_NAME DoubleLock-PT-p1s1-UpperBounds-10
FORMULA_NAME DoubleLock-PT-p1s1-UpperBounds-11
FORMULA_NAME DoubleLock-PT-p1s1-UpperBounds-12
FORMULA_NAME DoubleLock-PT-p1s1-UpperBounds-13
FORMULA_NAME DoubleLock-PT-p1s1-UpperBounds-14
FORMULA_NAME DoubleLock-PT-p1s1-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1678902939175

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-p1s1
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-15 17:55:42] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2023-03-15 17:55:42] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-15 17:55:42] [INFO ] Load time of PNML (sax parser for PT used): 124 ms
[2023-03-15 17:55:42] [INFO ] Transformed 64 places.
[2023-03-15 17:55:42] [INFO ] Transformed 204 transitions.
[2023-03-15 17:55:42] [INFO ] Parsed PT model containing 64 places and 204 transitions and 828 arcs in 327 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 8 ms.
Deduced a syphon composed of 8 places in 1 ms
Reduce places removed 8 places and 8 transitions.
FORMULA DoubleLock-PT-p1s1-UpperBounds-03 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DoubleLock-PT-p1s1-UpperBounds-04 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Normalized transition count is 148 out of 196 initially.
// Phase 1: matrix 148 rows 56 cols
[2023-03-15 17:55:42] [INFO ] Computed 4 place invariants in 26 ms
FORMULA DoubleLock-PT-p1s1-UpperBounds-01 10 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 10000 steps, including 76 resets, run finished after 70 ms. (steps per millisecond=142 ) properties (out of 13) seen :54
FORMULA DoubleLock-PT-p1s1-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DoubleLock-PT-p1s1-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DoubleLock-PT-p1s1-UpperBounds-12 10 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DoubleLock-PT-p1s1-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DoubleLock-PT-p1s1-UpperBounds-10 10 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DoubleLock-PT-p1s1-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DoubleLock-PT-p1s1-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DoubleLock-PT-p1s1-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10000 steps, including 15 resets, run finished after 18 ms. (steps per millisecond=555 ) properties (out of 5) seen :18
Incomplete Best-First random walk after 10001 steps, including 13 resets, run finished after 14 ms. (steps per millisecond=714 ) properties (out of 5) seen :26
Incomplete Best-First random walk after 10001 steps, including 16 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 5) seen :26
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 16 ms. (steps per millisecond=625 ) properties (out of 5) seen :39
Incomplete Best-First random walk after 10001 steps, including 10 resets, run finished after 13 ms. (steps per millisecond=769 ) properties (out of 5) seen :25
[2023-03-15 17:55:42] [INFO ] Flow matrix only has 148 transitions (discarded 48 similar events)
// Phase 1: matrix 148 rows 56 cols
[2023-03-15 17:55:42] [INFO ] Computed 4 place invariants in 5 ms
[2023-03-15 17:55:43] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2023-03-15 17:55:43] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 3 ms returned sat
[2023-03-15 17:55:43] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-15 17:55:43] [INFO ] [Real]Absence check using state equation in 100 ms returned sat
[2023-03-15 17:55:43] [INFO ] Solution in real domain found non-integer solution.
[2023-03-15 17:55:43] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-15 17:55:43] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-15 17:55:43] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-15 17:55:43] [INFO ] [Nat]Absence check using state equation in 92 ms returned sat
[2023-03-15 17:55:43] [INFO ] State equation strengthened by 23 read => feed constraints.
[2023-03-15 17:55:43] [INFO ] [Nat]Added 23 Read/Feed constraints in 16 ms returned sat
[2023-03-15 17:55:43] [INFO ] Computed and/alt/rep : 63/438/63 causal constraints (skipped 83 transitions) in 36 ms.
[2023-03-15 17:55:43] [INFO ] Added : 4 causal constraints over 1 iterations in 79 ms. Result :sat
Minimization took 38 ms.
[2023-03-15 17:55:43] [INFO ] [Real]Absence check using 3 positive place invariants in 8 ms returned sat
[2023-03-15 17:55:43] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 16 ms returned sat
[2023-03-15 17:55:43] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-15 17:55:43] [INFO ] [Real]Absence check using state equation in 59 ms returned sat
[2023-03-15 17:55:43] [INFO ] Solution in real domain found non-integer solution.
[2023-03-15 17:55:43] [INFO ] [Nat]Absence check using 3 positive place invariants in 23 ms returned sat
[2023-03-15 17:55:43] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 29 ms returned sat
[2023-03-15 17:55:43] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-15 17:55:43] [INFO ] [Nat]Absence check using state equation in 117 ms returned sat
[2023-03-15 17:55:43] [INFO ] [Nat]Added 23 Read/Feed constraints in 10 ms returned sat
[2023-03-15 17:55:43] [INFO ] Computed and/alt/rep : 63/438/63 causal constraints (skipped 83 transitions) in 27 ms.
[2023-03-15 17:55:44] [INFO ] Added : 12 causal constraints over 3 iterations in 85 ms. Result :sat
Minimization took 22 ms.
[2023-03-15 17:55:44] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-15 17:55:44] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-15 17:55:44] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-15 17:55:44] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2023-03-15 17:55:44] [INFO ] Solution in real domain found non-integer solution.
[2023-03-15 17:55:44] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2023-03-15 17:55:44] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-15 17:55:44] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-15 17:55:44] [INFO ] [Nat]Absence check using state equation in 49 ms returned sat
[2023-03-15 17:55:44] [INFO ] [Nat]Added 23 Read/Feed constraints in 6 ms returned sat
[2023-03-15 17:55:44] [INFO ] Deduced a trap composed of 12 places in 119 ms of which 20 ms to minimize.
[2023-03-15 17:55:44] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 142 ms
[2023-03-15 17:55:44] [INFO ] Computed and/alt/rep : 63/438/63 causal constraints (skipped 83 transitions) in 27 ms.
[2023-03-15 17:55:44] [INFO ] Deduced a trap composed of 16 places in 88 ms of which 1 ms to minimize.
[2023-03-15 17:55:44] [INFO ] Deduced a trap composed of 19 places in 72 ms of which 2 ms to minimize.
[2023-03-15 17:55:44] [INFO ] Deduced a trap composed of 12 places in 68 ms of which 2 ms to minimize.
[2023-03-15 17:55:44] [INFO ] Deduced a trap composed of 24 places in 92 ms of which 2 ms to minimize.
[2023-03-15 17:55:44] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 395 ms
[2023-03-15 17:55:44] [INFO ] Added : 8 causal constraints over 3 iterations in 505 ms. Result :sat
Minimization took 25 ms.
[2023-03-15 17:55:45] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-15 17:55:45] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-15 17:55:45] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-15 17:55:45] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2023-03-15 17:55:45] [INFO ] [Real]Added 23 Read/Feed constraints in 8 ms returned sat
[2023-03-15 17:55:45] [INFO ] Solution in real domain found non-integer solution.
[2023-03-15 17:55:45] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-15 17:55:45] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-15 17:55:45] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-15 17:55:45] [INFO ] [Nat]Absence check using state equation in 48 ms returned sat
[2023-03-15 17:55:45] [INFO ] [Nat]Added 23 Read/Feed constraints in 11 ms returned sat
[2023-03-15 17:55:45] [INFO ] Computed and/alt/rep : 63/438/63 causal constraints (skipped 83 transitions) in 21 ms.
[2023-03-15 17:55:45] [INFO ] Added : 24 causal constraints over 5 iterations in 109 ms. Result :sat
Minimization took 28 ms.
[2023-03-15 17:55:45] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-15 17:55:45] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-15 17:55:45] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-15 17:55:45] [INFO ] [Real]Absence check using state equation in 44 ms returned sat
[2023-03-15 17:55:45] [INFO ] Solution in real domain found non-integer solution.
[2023-03-15 17:55:45] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-15 17:55:45] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2023-03-15 17:55:45] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-15 17:55:45] [INFO ] [Nat]Absence check using state equation in 47 ms returned sat
[2023-03-15 17:55:45] [INFO ] [Nat]Added 23 Read/Feed constraints in 8 ms returned sat
[2023-03-15 17:55:45] [INFO ] Deduced a trap composed of 12 places in 95 ms of which 1 ms to minimize.
[2023-03-15 17:55:45] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 109 ms
[2023-03-15 17:55:45] [INFO ] Computed and/alt/rep : 63/438/63 causal constraints (skipped 83 transitions) in 24 ms.
[2023-03-15 17:55:45] [INFO ] Deduced a trap composed of 12 places in 55 ms of which 1 ms to minimize.
[2023-03-15 17:55:45] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 71 ms
[2023-03-15 17:55:45] [INFO ] Added : 6 causal constraints over 2 iterations in 138 ms. Result :sat
Minimization took 19 ms.
Current structural bounds on expressions (after SMT) : [10, -1, -1, -1, -1] Max seen :[9, 9, 18, 13, 9]
Support contains 5 out of 56 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 56/56 places, 196/196 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.1 ms
Discarding 4 places :
Also discarding 0 output transitions
Drop transitions removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 3 place count 52 transition count 194
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 4 place count 51 transition count 190
Iterating global reduction 1 with 1 rules applied. Total rules applied 5 place count 51 transition count 190
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 6 place count 50 transition count 186
Iterating global reduction 1 with 1 rules applied. Total rules applied 7 place count 50 transition count 186
Applied a total of 7 rules in 45 ms. Remains 50 /56 variables (removed 6) and now considering 186/196 (removed 10) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 46 ms. Remains : 50/56 places, 186/196 transitions.
Normalized transition count is 141 out of 186 initially.
// Phase 1: matrix 141 rows 50 cols
[2023-03-15 17:55:46] [INFO ] Computed 2 place invariants in 3 ms
Incomplete random walk after 1000004 steps, including 5128 resets, run finished after 1615 ms. (steps per millisecond=619 ) properties (out of 5) seen :60
FORMULA DoubleLock-PT-p1s1-UpperBounds-02 10 TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 1000001 steps, including 873 resets, run finished after 629 ms. (steps per millisecond=1589 ) properties (out of 4) seen :65
Incomplete Best-First random walk after 1000001 steps, including 788 resets, run finished after 651 ms. (steps per millisecond=1536 ) properties (out of 4) seen :157
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 576 ms. (steps per millisecond=1736 ) properties (out of 4) seen :69
Incomplete Best-First random walk after 1000001 steps, including 764 resets, run finished after 556 ms. (steps per millisecond=1798 ) properties (out of 4) seen :71
[2023-03-15 17:55:50] [INFO ] Flow matrix only has 141 transitions (discarded 45 similar events)
// Phase 1: matrix 141 rows 50 cols
[2023-03-15 17:55:50] [INFO ] Computed 2 place invariants in 2 ms
[2023-03-15 17:55:50] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2023-03-15 17:55:50] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-15 17:55:50] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-15 17:55:50] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2023-03-15 17:55:50] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-15 17:55:50] [INFO ] [Real]Added 22 Read/Feed constraints in 8 ms returned sat
[2023-03-15 17:55:50] [INFO ] Solution in real domain found non-integer solution.
[2023-03-15 17:55:50] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-15 17:55:50] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-15 17:55:50] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-15 17:55:50] [INFO ] [Nat]Absence check using state equation in 42 ms returned sat
[2023-03-15 17:55:50] [INFO ] [Nat]Added 22 Read/Feed constraints in 8 ms returned sat
[2023-03-15 17:55:50] [INFO ] Computed and/alt/rep : 58/398/58 causal constraints (skipped 81 transitions) in 19 ms.
[2023-03-15 17:55:50] [INFO ] Added : 8 causal constraints over 3 iterations in 67 ms. Result :sat
Minimization took 19 ms.
[2023-03-15 17:55:50] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-15 17:55:50] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-15 17:55:50] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-15 17:55:50] [INFO ] [Real]Absence check using state equation in 36 ms returned sat
[2023-03-15 17:55:50] [INFO ] [Real]Added 22 Read/Feed constraints in 4 ms returned sat
[2023-03-15 17:55:50] [INFO ] Solution in real domain found non-integer solution.
[2023-03-15 17:55:50] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-15 17:55:50] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 4 ms returned sat
[2023-03-15 17:55:50] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-15 17:55:50] [INFO ] [Nat]Absence check using state equation in 36 ms returned sat
[2023-03-15 17:55:50] [INFO ] [Nat]Added 22 Read/Feed constraints in 5 ms returned sat
[2023-03-15 17:55:50] [INFO ] Computed and/alt/rep : 58/398/58 causal constraints (skipped 81 transitions) in 17 ms.
[2023-03-15 17:55:50] [INFO ] Added : 3 causal constraints over 1 iterations in 44 ms. Result :sat
Minimization took 14 ms.
[2023-03-15 17:55:50] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-15 17:55:50] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-15 17:55:50] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-15 17:55:50] [INFO ] [Real]Absence check using state equation in 41 ms returned sat
[2023-03-15 17:55:50] [INFO ] Solution in real domain found non-integer solution.
[2023-03-15 17:55:50] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2023-03-15 17:55:50] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-15 17:55:50] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-15 17:55:50] [INFO ] [Nat]Absence check using state equation in 50 ms returned sat
[2023-03-15 17:55:50] [INFO ] [Nat]Added 22 Read/Feed constraints in 10 ms returned sat
[2023-03-15 17:55:50] [INFO ] Computed and/alt/rep : 58/398/58 causal constraints (skipped 81 transitions) in 17 ms.
[2023-03-15 17:55:50] [INFO ] Added : 17 causal constraints over 4 iterations in 79 ms. Result :sat
Minimization took 23 ms.
[2023-03-15 17:55:50] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-15 17:55:50] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-15 17:55:50] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-15 17:55:50] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2023-03-15 17:55:50] [INFO ] [Real]Added 22 Read/Feed constraints in 7 ms returned sat
[2023-03-15 17:55:50] [INFO ] Solution in real domain found non-integer solution.
[2023-03-15 17:55:51] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-15 17:55:51] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-15 17:55:51] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-15 17:55:51] [INFO ] [Nat]Absence check using state equation in 39 ms returned sat
[2023-03-15 17:55:51] [INFO ] [Nat]Added 22 Read/Feed constraints in 7 ms returned sat
[2023-03-15 17:55:51] [INFO ] Computed and/alt/rep : 58/398/58 causal constraints (skipped 81 transitions) in 19 ms.
[2023-03-15 17:55:51] [INFO ] Added : 9 causal constraints over 3 iterations in 77 ms. Result :sat
Minimization took 19 ms.
Current structural bounds on expressions (after SMT) : [-1, -1, -1, -1] Max seen :[32, 135, 13, 38]
Support contains 4 out of 50 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 50/50 places, 186/186 transitions.
Applied a total of 0 rules in 10 ms. Remains 50 /50 variables (removed 0) and now considering 186/186 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 50/50 places, 186/186 transitions.
Normalized transition count is 141 out of 186 initially.
// Phase 1: matrix 141 rows 50 cols
[2023-03-15 17:55:51] [INFO ] Computed 2 place invariants in 2 ms
Incomplete random walk after 1000000 steps, including 5096 resets, run finished after 1484 ms. (steps per millisecond=673 ) properties (out of 4) seen :66
Incomplete Best-First random walk after 1000001 steps, including 822 resets, run finished after 532 ms. (steps per millisecond=1879 ) properties (out of 4) seen :58
Incomplete Best-First random walk after 1000001 steps, including 772 resets, run finished after 511 ms. (steps per millisecond=1956 ) properties (out of 4) seen :114
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 542 ms. (steps per millisecond=1845 ) properties (out of 4) seen :58
Incomplete Best-First random walk after 1000000 steps, including 806 resets, run finished after 526 ms. (steps per millisecond=1901 ) properties (out of 4) seen :72
[2023-03-15 17:55:54] [INFO ] Flow matrix only has 141 transitions (discarded 45 similar events)
// Phase 1: matrix 141 rows 50 cols
[2023-03-15 17:55:54] [INFO ] Computed 2 place invariants in 3 ms
[2023-03-15 17:55:54] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2023-03-15 17:55:54] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2023-03-15 17:55:54] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-15 17:55:55] [INFO ] [Real]Absence check using state equation in 65 ms returned sat
[2023-03-15 17:55:55] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-15 17:55:55] [INFO ] [Real]Added 22 Read/Feed constraints in 8 ms returned sat
[2023-03-15 17:55:55] [INFO ] Solution in real domain found non-integer solution.
[2023-03-15 17:55:55] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-15 17:55:55] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-15 17:55:55] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-15 17:55:55] [INFO ] [Nat]Absence check using state equation in 61 ms returned sat
[2023-03-15 17:55:55] [INFO ] [Nat]Added 22 Read/Feed constraints in 9 ms returned sat
[2023-03-15 17:55:55] [INFO ] Computed and/alt/rep : 58/398/58 causal constraints (skipped 81 transitions) in 13 ms.
[2023-03-15 17:55:55] [INFO ] Added : 8 causal constraints over 3 iterations in 62 ms. Result :sat
Minimization took 19 ms.
[2023-03-15 17:55:55] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2023-03-15 17:55:55] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-15 17:55:55] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-15 17:55:55] [INFO ] [Real]Absence check using state equation in 38 ms returned sat
[2023-03-15 17:55:55] [INFO ] [Real]Added 22 Read/Feed constraints in 5 ms returned sat
[2023-03-15 17:55:55] [INFO ] Solution in real domain found non-integer solution.
[2023-03-15 17:55:55] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2023-03-15 17:55:55] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-15 17:55:55] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-15 17:55:55] [INFO ] [Nat]Absence check using state equation in 39 ms returned sat
[2023-03-15 17:55:55] [INFO ] [Nat]Added 22 Read/Feed constraints in 5 ms returned sat
[2023-03-15 17:55:55] [INFO ] Computed and/alt/rep : 58/398/58 causal constraints (skipped 81 transitions) in 13 ms.
[2023-03-15 17:55:55] [INFO ] Added : 5 causal constraints over 2 iterations in 48 ms. Result :sat
Minimization took 14 ms.
[2023-03-15 17:55:55] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2023-03-15 17:55:55] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-15 17:55:55] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-15 17:55:55] [INFO ] [Real]Absence check using state equation in 40 ms returned sat
[2023-03-15 17:55:55] [INFO ] Solution in real domain found non-integer solution.
[2023-03-15 17:55:55] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2023-03-15 17:55:55] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-15 17:55:55] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-15 17:55:55] [INFO ] [Nat]Absence check using state equation in 40 ms returned sat
[2023-03-15 17:55:55] [INFO ] [Nat]Added 22 Read/Feed constraints in 8 ms returned sat
[2023-03-15 17:55:55] [INFO ] Computed and/alt/rep : 58/398/58 causal constraints (skipped 81 transitions) in 14 ms.
[2023-03-15 17:55:55] [INFO ] Added : 17 causal constraints over 4 iterations in 72 ms. Result :sat
Minimization took 22 ms.
[2023-03-15 17:55:55] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-15 17:55:55] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-15 17:55:55] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-15 17:55:55] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2023-03-15 17:55:55] [INFO ] [Real]Added 22 Read/Feed constraints in 7 ms returned sat
[2023-03-15 17:55:55] [INFO ] Solution in real domain found non-integer solution.
[2023-03-15 17:55:55] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-15 17:55:55] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-15 17:55:55] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-15 17:55:55] [INFO ] [Nat]Absence check using state equation in 38 ms returned sat
[2023-03-15 17:55:55] [INFO ] [Nat]Added 22 Read/Feed constraints in 7 ms returned sat
[2023-03-15 17:55:55] [INFO ] Computed and/alt/rep : 58/398/58 causal constraints (skipped 81 transitions) in 12 ms.
[2023-03-15 17:55:56] [INFO ] Added : 9 causal constraints over 3 iterations in 70 ms. Result :sat
Minimization took 18 ms.
Current structural bounds on expressions (after SMT) : [-1, -1, -1, -1] Max seen :[32, 1944, 13, 38]
Support contains 4 out of 50 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 50/50 places, 186/186 transitions.
Applied a total of 0 rules in 10 ms. Remains 50 /50 variables (removed 0) and now considering 186/186 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26 ms. Remains : 50/50 places, 186/186 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 50/50 places, 186/186 transitions.
Applied a total of 0 rules in 16 ms. Remains 50 /50 variables (removed 0) and now considering 186/186 (removed 0) transitions.
[2023-03-15 17:55:57] [INFO ] Flow matrix only has 141 transitions (discarded 45 similar events)
[2023-03-15 17:55:57] [INFO ] Invariant cache hit.
[2023-03-15 17:55:57] [INFO ] Implicit Places using invariants in 98 ms returned []
[2023-03-15 17:55:57] [INFO ] Flow matrix only has 141 transitions (discarded 45 similar events)
[2023-03-15 17:55:57] [INFO ] Invariant cache hit.
[2023-03-15 17:55:57] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-15 17:55:57] [INFO ] Implicit Places using invariants and state equation in 149 ms returned []
Implicit Place search using SMT with State Equation took 286 ms to find 0 implicit places.
[2023-03-15 17:55:58] [INFO ] Redundant transitions in 8 ms returned []
[2023-03-15 17:55:58] [INFO ] Flow matrix only has 141 transitions (discarded 45 similar events)
[2023-03-15 17:55:58] [INFO ] Invariant cache hit.
[2023-03-15 17:55:58] [INFO ] Dead Transitions using invariants and state equation in 149 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 488 ms. Remains : 50/50 places, 186/186 transitions.
Normalized transition count is 141 out of 186 initially.
// Phase 1: matrix 141 rows 50 cols
[2023-03-15 17:55:58] [INFO ] Computed 2 place invariants in 3 ms
Incomplete random walk after 1000000 steps, including 5107 resets, run finished after 1500 ms. (steps per millisecond=666 ) properties (out of 4) seen :58
Incomplete Best-First random walk after 1000001 steps, including 879 resets, run finished after 527 ms. (steps per millisecond=1897 ) properties (out of 4) seen :72
Incomplete Best-First random walk after 1000000 steps, including 758 resets, run finished after 509 ms. (steps per millisecond=1964 ) properties (out of 4) seen :128
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 537 ms. (steps per millisecond=1862 ) properties (out of 4) seen :80
Incomplete Best-First random walk after 1000001 steps, including 752 resets, run finished after 526 ms. (steps per millisecond=1901 ) properties (out of 4) seen :86
[2023-03-15 17:56:01] [INFO ] Flow matrix only has 141 transitions (discarded 45 similar events)
// Phase 1: matrix 141 rows 50 cols
[2023-03-15 17:56:01] [INFO ] Computed 2 place invariants in 4 ms
[2023-03-15 17:56:01] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-15 17:56:01] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-15 17:56:01] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-15 17:56:01] [INFO ] [Real]Absence check using state equation in 53 ms returned sat
[2023-03-15 17:56:01] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-15 17:56:01] [INFO ] [Real]Added 22 Read/Feed constraints in 11 ms returned sat
[2023-03-15 17:56:01] [INFO ] Solution in real domain found non-integer solution.
[2023-03-15 17:56:01] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-15 17:56:01] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2023-03-15 17:56:01] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-15 17:56:01] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2023-03-15 17:56:01] [INFO ] [Nat]Added 22 Read/Feed constraints in 9 ms returned sat
[2023-03-15 17:56:02] [INFO ] Computed and/alt/rep : 58/398/58 causal constraints (skipped 81 transitions) in 12 ms.
[2023-03-15 17:56:02] [INFO ] Added : 8 causal constraints over 3 iterations in 58 ms. Result :sat
Minimization took 20 ms.
[2023-03-15 17:56:02] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2023-03-15 17:56:02] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-15 17:56:02] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-15 17:56:02] [INFO ] [Real]Absence check using state equation in 35 ms returned sat
[2023-03-15 17:56:02] [INFO ] [Real]Added 22 Read/Feed constraints in 4 ms returned sat
[2023-03-15 17:56:02] [INFO ] Solution in real domain found non-integer solution.
[2023-03-15 17:56:02] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-15 17:56:02] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-15 17:56:02] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-15 17:56:02] [INFO ] [Nat]Absence check using state equation in 41 ms returned sat
[2023-03-15 17:56:02] [INFO ] [Nat]Added 22 Read/Feed constraints in 5 ms returned sat
[2023-03-15 17:56:02] [INFO ] Computed and/alt/rep : 58/398/58 causal constraints (skipped 81 transitions) in 12 ms.
[2023-03-15 17:56:02] [INFO ] Added : 5 causal constraints over 2 iterations in 101 ms. Result :sat
Minimization took 15 ms.
[2023-03-15 17:56:02] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-15 17:56:02] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-15 17:56:02] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-15 17:56:02] [INFO ] [Real]Absence check using state equation in 64 ms returned sat
[2023-03-15 17:56:02] [INFO ] Solution in real domain found non-integer solution.
[2023-03-15 17:56:02] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2023-03-15 17:56:02] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 8 ms returned sat
[2023-03-15 17:56:02] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-15 17:56:02] [INFO ] [Nat]Absence check using state equation in 45 ms returned sat
[2023-03-15 17:56:02] [INFO ] [Nat]Added 22 Read/Feed constraints in 25 ms returned sat
[2023-03-15 17:56:02] [INFO ] Computed and/alt/rep : 58/398/58 causal constraints (skipped 81 transitions) in 24 ms.
[2023-03-15 17:56:02] [INFO ] Added : 17 causal constraints over 4 iterations in 151 ms. Result :sat
Minimization took 39 ms.
[2023-03-15 17:56:03] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-15 17:56:03] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-15 17:56:03] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-15 17:56:03] [INFO ] [Real]Absence check using state equation in 95 ms returned sat
[2023-03-15 17:56:03] [INFO ] Solution in real domain found non-integer solution.
[2023-03-15 17:56:03] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-15 17:56:03] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-15 17:56:03] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-15 17:56:03] [INFO ] [Nat]Absence check using state equation in 47 ms returned sat
[2023-03-15 17:56:03] [INFO ] [Nat]Added 22 Read/Feed constraints in 14 ms returned sat
[2023-03-15 17:56:03] [INFO ] Computed and/alt/rep : 58/398/58 causal constraints (skipped 81 transitions) in 12 ms.
[2023-03-15 17:56:03] [INFO ] Added : 19 causal constraints over 5 iterations in 90 ms. Result :sat
Minimization took 35 ms.
Current structural bounds on expressions (after SMT) : [-1, -1, -1, -1] Max seen :[44, 190030, 13, 49]
Support contains 4 out of 50 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 50/50 places, 186/186 transitions.
Applied a total of 0 rules in 10 ms. Remains 50 /50 variables (removed 0) and now considering 186/186 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 50/50 places, 186/186 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 50/50 places, 186/186 transitions.
Applied a total of 0 rules in 8 ms. Remains 50 /50 variables (removed 0) and now considering 186/186 (removed 0) transitions.
[2023-03-15 17:56:33] [INFO ] Flow matrix only has 141 transitions (discarded 45 similar events)
[2023-03-15 17:56:33] [INFO ] Invariant cache hit.
[2023-03-15 17:56:33] [INFO ] Implicit Places using invariants in 86 ms returned []
[2023-03-15 17:56:33] [INFO ] Flow matrix only has 141 transitions (discarded 45 similar events)
[2023-03-15 17:56:33] [INFO ] Invariant cache hit.
[2023-03-15 17:56:33] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-15 17:56:33] [INFO ] Implicit Places using invariants and state equation in 134 ms returned []
Implicit Place search using SMT with State Equation took 234 ms to find 0 implicit places.
[2023-03-15 17:56:33] [INFO ] Redundant transitions in 7 ms returned []
[2023-03-15 17:56:33] [INFO ] Flow matrix only has 141 transitions (discarded 45 similar events)
[2023-03-15 17:56:33] [INFO ] Invariant cache hit.
[2023-03-15 17:56:33] [INFO ] Dead Transitions using invariants and state equation in 145 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 406 ms. Remains : 50/50 places, 186/186 transitions.
Normalized transition count is 141 out of 186 initially.
// Phase 1: matrix 141 rows 50 cols
[2023-03-15 17:56:34] [INFO ] Computed 2 place invariants in 10 ms
Incomplete random walk after 1000000 steps, including 5075 resets, run finished after 1449 ms. (steps per millisecond=690 ) properties (out of 4) seen :55
Incomplete Best-First random walk after 1000001 steps, including 863 resets, run finished after 531 ms. (steps per millisecond=1883 ) properties (out of 4) seen :60
Incomplete Best-First random walk after 1000001 steps, including 798 resets, run finished after 512 ms. (steps per millisecond=1953 ) properties (out of 4) seen :108
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 536 ms. (steps per millisecond=1865 ) properties (out of 4) seen :75
Incomplete Best-First random walk after 1000001 steps, including 773 resets, run finished after 526 ms. (steps per millisecond=1901 ) properties (out of 4) seen :90
[2023-03-15 17:56:37] [INFO ] Flow matrix only has 141 transitions (discarded 45 similar events)
// Phase 1: matrix 141 rows 50 cols
[2023-03-15 17:56:37] [INFO ] Computed 2 place invariants in 2 ms
[2023-03-15 17:56:37] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-15 17:56:37] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-15 17:56:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-15 17:56:37] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2023-03-15 17:56:37] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-15 17:56:37] [INFO ] [Real]Added 22 Read/Feed constraints in 8 ms returned sat
[2023-03-15 17:56:37] [INFO ] Solution in real domain found non-integer solution.
[2023-03-15 17:56:37] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-15 17:56:37] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2023-03-15 17:56:37] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-15 17:56:37] [INFO ] [Nat]Absence check using state equation in 64 ms returned sat
[2023-03-15 17:56:37] [INFO ] [Nat]Added 22 Read/Feed constraints in 8 ms returned sat
[2023-03-15 17:56:37] [INFO ] Computed and/alt/rep : 58/398/58 causal constraints (skipped 81 transitions) in 13 ms.
[2023-03-15 17:56:37] [INFO ] Added : 8 causal constraints over 3 iterations in 100 ms. Result :sat
Minimization took 27 ms.
[2023-03-15 17:56:38] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-15 17:56:38] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-15 17:56:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-15 17:56:38] [INFO ] [Real]Absence check using state equation in 60 ms returned sat
[2023-03-15 17:56:38] [INFO ] [Real]Added 22 Read/Feed constraints in 21 ms returned sat
[2023-03-15 17:56:38] [INFO ] Solution in real domain found non-integer solution.
[2023-03-15 17:56:38] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2023-03-15 17:56:38] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-15 17:56:38] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-15 17:56:38] [INFO ] [Nat]Absence check using state equation in 90 ms returned sat
[2023-03-15 17:56:38] [INFO ] [Nat]Added 22 Read/Feed constraints in 22 ms returned sat
[2023-03-15 17:56:38] [INFO ] Computed and/alt/rep : 58/398/58 causal constraints (skipped 81 transitions) in 41 ms.
[2023-03-15 17:56:38] [INFO ] Added : 3 causal constraints over 1 iterations in 66 ms. Result :sat
Minimization took 27 ms.
[2023-03-15 17:56:38] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-15 17:56:38] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-15 17:56:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-15 17:56:38] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2023-03-15 17:56:38] [INFO ] Solution in real domain found non-integer solution.
[2023-03-15 17:56:38] [INFO ] [Nat]Absence check using 1 positive place invariants in 32 ms returned sat
[2023-03-15 17:56:38] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 35 ms returned sat
[2023-03-15 17:56:38] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-15 17:56:38] [INFO ] [Nat]Absence check using state equation in 54 ms returned sat
[2023-03-15 17:56:38] [INFO ] [Nat]Added 22 Read/Feed constraints in 9 ms returned sat
[2023-03-15 17:56:38] [INFO ] Computed and/alt/rep : 58/398/58 causal constraints (skipped 81 transitions) in 12 ms.
[2023-03-15 17:56:38] [INFO ] Added : 17 causal constraints over 4 iterations in 72 ms. Result :sat
Minimization took 22 ms.
[2023-03-15 17:56:38] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-15 17:56:38] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-15 17:56:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-15 17:56:39] [INFO ] [Real]Absence check using state equation in 38 ms returned sat
[2023-03-15 17:56:39] [INFO ] Solution in real domain found non-integer solution.
[2023-03-15 17:56:39] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-15 17:56:39] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-15 17:56:39] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-15 17:56:39] [INFO ] [Nat]Absence check using state equation in 37 ms returned sat
[2023-03-15 17:56:39] [INFO ] [Nat]Added 22 Read/Feed constraints in 8 ms returned sat
[2023-03-15 17:56:39] [INFO ] Computed and/alt/rep : 58/398/58 causal constraints (skipped 81 transitions) in 14 ms.
[2023-03-15 17:56:39] [INFO ] Added : 19 causal constraints over 5 iterations in 86 ms. Result :sat
Minimization took 35 ms.
Current structural bounds on expressions (after SMT) : [-1, -1, -1, -1] Max seen :[44, 4201591, 13, 49]
Support contains 4 out of 50 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 50/50 places, 186/186 transitions.
Applied a total of 0 rules in 8 ms. Remains 50 /50 variables (removed 0) and now considering 186/186 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 50/50 places, 186/186 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 50/50 places, 186/186 transitions.
Applied a total of 0 rules in 8 ms. Remains 50 /50 variables (removed 0) and now considering 186/186 (removed 0) transitions.
[2023-03-15 17:56:39] [INFO ] Flow matrix only has 141 transitions (discarded 45 similar events)
[2023-03-15 17:56:39] [INFO ] Invariant cache hit.
[2023-03-15 17:56:39] [INFO ] Implicit Places using invariants in 67 ms returned []
[2023-03-15 17:56:39] [INFO ] Flow matrix only has 141 transitions (discarded 45 similar events)
[2023-03-15 17:56:39] [INFO ] Invariant cache hit.
[2023-03-15 17:56:39] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-15 17:56:39] [INFO ] Implicit Places using invariants and state equation in 124 ms returned []
Implicit Place search using SMT with State Equation took 233 ms to find 0 implicit places.
[2023-03-15 17:56:39] [INFO ] Redundant transitions in 2 ms returned []
[2023-03-15 17:56:39] [INFO ] Flow matrix only has 141 transitions (discarded 45 similar events)
[2023-03-15 17:56:39] [INFO ] Invariant cache hit.
[2023-03-15 17:56:39] [INFO ] Dead Transitions using invariants and state equation in 124 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 405 ms. Remains : 50/50 places, 186/186 transitions.
Starting property specific reduction for DoubleLock-PT-p1s1-UpperBounds-05
Normalized transition count is 141 out of 186 initially.
// Phase 1: matrix 141 rows 50 cols
[2023-03-15 17:56:39] [INFO ] Computed 2 place invariants in 1 ms
Incomplete random walk after 10000 steps, including 53 resets, run finished after 15 ms. (steps per millisecond=666 ) properties (out of 1) seen :8
Incomplete Best-First random walk after 10001 steps, including 9 resets, run finished after 6 ms. (steps per millisecond=1666 ) properties (out of 1) seen :8
[2023-03-15 17:56:39] [INFO ] Flow matrix only has 141 transitions (discarded 45 similar events)
// Phase 1: matrix 141 rows 50 cols
[2023-03-15 17:56:39] [INFO ] Computed 2 place invariants in 1 ms
[2023-03-15 17:56:39] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-15 17:56:39] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-15 17:56:39] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-15 17:56:39] [INFO ] [Real]Absence check using state equation in 35 ms returned sat
[2023-03-15 17:56:39] [INFO ] Solution in real domain found non-integer solution.
[2023-03-15 17:56:40] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2023-03-15 17:56:40] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-15 17:56:40] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-15 17:56:40] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2023-03-15 17:56:40] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-15 17:56:40] [INFO ] [Nat]Added 22 Read/Feed constraints in 7 ms returned sat
[2023-03-15 17:56:40] [INFO ] Computed and/alt/rep : 58/398/58 causal constraints (skipped 81 transitions) in 10 ms.
[2023-03-15 17:56:40] [INFO ] Added : 9 causal constraints over 3 iterations in 56 ms. Result :sat
Minimization took 20 ms.
Current structural bounds on expressions (after SMT) : [-1] Max seen :[8]
Support contains 1 out of 50 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 50/50 places, 186/186 transitions.
Drop transitions removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 50 transition count 184
Applied a total of 2 rules in 10 ms. Remains 50 /50 variables (removed 0) and now considering 184/186 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 50/50 places, 184/186 transitions.
Normalized transition count is 139 out of 184 initially.
// Phase 1: matrix 139 rows 50 cols
[2023-03-15 17:56:40] [INFO ] Computed 3 place invariants in 4 ms
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 1792 ms. (steps per millisecond=558 ) properties (out of 1) seen :45
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 576 ms. (steps per millisecond=1736 ) properties (out of 1) seen :1688
[2023-03-15 17:56:42] [INFO ] Flow matrix only has 139 transitions (discarded 45 similar events)
// Phase 1: matrix 139 rows 50 cols
[2023-03-15 17:56:42] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-15 17:56:42] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-15 17:56:42] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-15 17:56:42] [INFO ] [Real]Absence check using state equation in 39 ms returned sat
[2023-03-15 17:56:42] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-15 17:56:42] [INFO ] [Real]Added 22 Read/Feed constraints in 11 ms returned sat
[2023-03-15 17:56:42] [INFO ] Solution in real domain found non-integer solution.
[2023-03-15 17:56:42] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-15 17:56:42] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-15 17:56:42] [INFO ] [Nat]Absence check using state equation in 38 ms returned sat
[2023-03-15 17:56:42] [INFO ] [Nat]Added 22 Read/Feed constraints in 7 ms returned sat
[2023-03-15 17:56:42] [INFO ] Deduced a trap composed of 21 places in 62 ms of which 1 ms to minimize.
[2023-03-15 17:56:42] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 76 ms
[2023-03-15 17:56:42] [INFO ] Computed and/alt/rep : 57/394/57 causal constraints (skipped 80 transitions) in 10 ms.
[2023-03-15 17:56:42] [INFO ] Added : 19 causal constraints over 7 iterations in 92 ms. Result :sat
Minimization took 3005 ms.
Current structural bounds on expressions (after SMT) : [-1] Max seen :[1688]
Support contains 1 out of 50 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 50/50 places, 184/184 transitions.
Applied a total of 0 rules in 8 ms. Remains 50 /50 variables (removed 0) and now considering 184/184 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 50/50 places, 184/184 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 50/50 places, 184/184 transitions.
Applied a total of 0 rules in 13 ms. Remains 50 /50 variables (removed 0) and now considering 184/184 (removed 0) transitions.
[2023-03-15 17:56:45] [INFO ] Flow matrix only has 139 transitions (discarded 45 similar events)
[2023-03-15 17:56:45] [INFO ] Invariant cache hit.
[2023-03-15 17:56:46] [INFO ] Implicit Places using invariants in 69 ms returned []
[2023-03-15 17:56:46] [INFO ] Flow matrix only has 139 transitions (discarded 45 similar events)
[2023-03-15 17:56:46] [INFO ] Invariant cache hit.
[2023-03-15 17:56:46] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-15 17:56:46] [INFO ] Implicit Places using invariants and state equation in 137 ms returned []
Implicit Place search using SMT with State Equation took 248 ms to find 0 implicit places.
[2023-03-15 17:56:46] [INFO ] Redundant transitions in 2 ms returned []
[2023-03-15 17:56:46] [INFO ] Flow matrix only has 139 transitions (discarded 45 similar events)
[2023-03-15 17:56:46] [INFO ] Invariant cache hit.
[2023-03-15 17:56:46] [INFO ] Dead Transitions using invariants and state equation in 247 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 541 ms. Remains : 50/50 places, 184/184 transitions.
Normalized transition count is 139 out of 184 initially.
// Phase 1: matrix 139 rows 50 cols
[2023-03-15 17:56:46] [INFO ] Computed 3 place invariants in 2 ms
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 1808 ms. (steps per millisecond=553 ) properties (out of 1) seen :52
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 568 ms. (steps per millisecond=1760 ) properties (out of 1) seen :1591
[2023-03-15 17:56:48] [INFO ] Flow matrix only has 139 transitions (discarded 45 similar events)
// Phase 1: matrix 139 rows 50 cols
[2023-03-15 17:56:48] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-15 17:56:48] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-15 17:56:48] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-15 17:56:48] [INFO ] [Real]Absence check using state equation in 42 ms returned sat
[2023-03-15 17:56:48] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-15 17:56:48] [INFO ] [Real]Added 22 Read/Feed constraints in 8 ms returned sat
[2023-03-15 17:56:48] [INFO ] Solution in real domain found non-integer solution.
[2023-03-15 17:56:49] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-15 17:56:49] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-15 17:56:49] [INFO ] [Nat]Absence check using state equation in 39 ms returned sat
[2023-03-15 17:56:49] [INFO ] [Nat]Added 22 Read/Feed constraints in 7 ms returned sat
[2023-03-15 17:56:49] [INFO ] Deduced a trap composed of 21 places in 51 ms of which 0 ms to minimize.
[2023-03-15 17:56:49] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 61 ms
[2023-03-15 17:56:49] [INFO ] Computed and/alt/rep : 57/394/57 causal constraints (skipped 80 transitions) in 10 ms.
[2023-03-15 17:56:49] [INFO ] Added : 19 causal constraints over 7 iterations in 150 ms. Result :sat
Minimization took 3003 ms.
Current structural bounds on expressions (after SMT) : [-1] Max seen :[1688]
Support contains 1 out of 50 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 50/50 places, 184/184 transitions.
Applied a total of 0 rules in 5 ms. Remains 50 /50 variables (removed 0) and now considering 184/184 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 50/50 places, 184/184 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 50/50 places, 184/184 transitions.
Applied a total of 0 rules in 7 ms. Remains 50 /50 variables (removed 0) and now considering 184/184 (removed 0) transitions.
[2023-03-15 17:56:52] [INFO ] Flow matrix only has 139 transitions (discarded 45 similar events)
[2023-03-15 17:56:52] [INFO ] Invariant cache hit.
[2023-03-15 17:56:52] [INFO ] Implicit Places using invariants in 88 ms returned []
[2023-03-15 17:56:52] [INFO ] Flow matrix only has 139 transitions (discarded 45 similar events)
[2023-03-15 17:56:52] [INFO ] Invariant cache hit.
[2023-03-15 17:56:52] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-15 17:56:52] [INFO ] Implicit Places using invariants and state equation in 186 ms returned []
Implicit Place search using SMT with State Equation took 292 ms to find 0 implicit places.
[2023-03-15 17:56:52] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-15 17:56:52] [INFO ] Flow matrix only has 139 transitions (discarded 45 similar events)
[2023-03-15 17:56:52] [INFO ] Invariant cache hit.
[2023-03-15 17:56:52] [INFO ] Dead Transitions using invariants and state equation in 209 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 530 ms. Remains : 50/50 places, 184/184 transitions.
Ending property specific reduction for DoubleLock-PT-p1s1-UpperBounds-05 in 12942 ms.
Starting property specific reduction for DoubleLock-PT-p1s1-UpperBounds-06
Normalized transition count is 141 out of 186 initially.
// Phase 1: matrix 141 rows 50 cols
[2023-03-15 17:56:52] [INFO ] Computed 2 place invariants in 1 ms
Incomplete random walk after 10000 steps, including 48 resets, run finished after 16 ms. (steps per millisecond=625 ) properties (out of 1) seen :11
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 6 ms. (steps per millisecond=1666 ) properties (out of 1) seen :84
[2023-03-15 17:56:52] [INFO ] Flow matrix only has 141 transitions (discarded 45 similar events)
// Phase 1: matrix 141 rows 50 cols
[2023-03-15 17:56:52] [INFO ] Computed 2 place invariants in 1 ms
[2023-03-15 17:56:52] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2023-03-15 17:56:52] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2023-03-15 17:56:52] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-15 17:56:52] [INFO ] [Real]Absence check using state equation in 40 ms returned sat
[2023-03-15 17:56:52] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-15 17:56:52] [INFO ] [Real]Added 22 Read/Feed constraints in 6 ms returned sat
[2023-03-15 17:56:52] [INFO ] Solution in real domain found non-integer solution.
[2023-03-15 17:56:52] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2023-03-15 17:56:52] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-15 17:56:52] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-15 17:56:53] [INFO ] [Nat]Absence check using state equation in 39 ms returned sat
[2023-03-15 17:56:53] [INFO ] [Nat]Added 22 Read/Feed constraints in 5 ms returned sat
[2023-03-15 17:56:53] [INFO ] Computed and/alt/rep : 58/398/58 causal constraints (skipped 81 transitions) in 11 ms.
[2023-03-15 17:56:53] [INFO ] Added : 5 causal constraints over 2 iterations in 41 ms. Result :sat
Minimization took 14 ms.
Current structural bounds on expressions (after SMT) : [-1] Max seen :[84]
Support contains 1 out of 50 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 50/50 places, 186/186 transitions.
Drop transitions removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 50 transition count 184
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 3 place count 49 transition count 180
Iterating global reduction 1 with 1 rules applied. Total rules applied 4 place count 49 transition count 180
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 5 place count 48 transition count 172
Iterating global reduction 1 with 1 rules applied. Total rules applied 6 place count 48 transition count 172
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 7 place count 47 transition count 164
Iterating global reduction 1 with 1 rules applied. Total rules applied 8 place count 47 transition count 164
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 9 place count 46 transition count 160
Iterating global reduction 1 with 1 rules applied. Total rules applied 10 place count 46 transition count 160
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 11 place count 45 transition count 156
Iterating global reduction 1 with 1 rules applied. Total rules applied 12 place count 45 transition count 156
Applied a total of 12 rules in 21 ms. Remains 45 /50 variables (removed 5) and now considering 156/186 (removed 30) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 21 ms. Remains : 45/50 places, 156/186 transitions.
Normalized transition count is 116 out of 156 initially.
// Phase 1: matrix 116 rows 45 cols
[2023-03-15 17:56:53] [INFO ] Computed 3 place invariants in 1 ms
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 1553 ms. (steps per millisecond=643 ) properties (out of 1) seen :88
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 507 ms. (steps per millisecond=1972 ) properties (out of 1) seen :5013
[2023-03-15 17:56:55] [INFO ] Flow matrix only has 116 transitions (discarded 40 similar events)
// Phase 1: matrix 116 rows 45 cols
[2023-03-15 17:56:55] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-15 17:56:55] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-15 17:56:55] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-15 17:56:55] [INFO ] [Real]Absence check using state equation in 36 ms returned sat
[2023-03-15 17:56:55] [INFO ] State equation strengthened by 21 read => feed constraints.
[2023-03-15 17:56:55] [INFO ] [Real]Added 21 Read/Feed constraints in 6 ms returned sat
[2023-03-15 17:56:55] [INFO ] Solution in real domain found non-integer solution.
[2023-03-15 17:56:55] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-15 17:56:55] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-15 17:56:55] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2023-03-15 17:56:55] [INFO ] [Nat]Added 21 Read/Feed constraints in 6 ms returned sat
[2023-03-15 17:56:55] [INFO ] Computed and/alt/rep : 50/316/50 causal constraints (skipped 64 transitions) in 11 ms.
[2023-03-15 17:56:55] [INFO ] Deduced a trap composed of 11 places in 47 ms of which 1 ms to minimize.
[2023-03-15 17:56:55] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 60 ms
[2023-03-15 17:56:55] [INFO ] Added : 4 causal constraints over 2 iterations in 100 ms. Result :sat
Minimization took 13 ms.
Current structural bounds on expressions (after SMT) : [-1] Max seen :[5013]
Support contains 1 out of 45 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 45/45 places, 156/156 transitions.
Applied a total of 0 rules in 5 ms. Remains 45 /45 variables (removed 0) and now considering 156/156 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 45/45 places, 156/156 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 45/45 places, 156/156 transitions.
Applied a total of 0 rules in 4 ms. Remains 45 /45 variables (removed 0) and now considering 156/156 (removed 0) transitions.
[2023-03-15 17:56:58] [INFO ] Flow matrix only has 116 transitions (discarded 40 similar events)
[2023-03-15 17:56:58] [INFO ] Invariant cache hit.
[2023-03-15 17:56:58] [INFO ] Implicit Places using invariants in 141 ms returned []
[2023-03-15 17:56:58] [INFO ] Flow matrix only has 116 transitions (discarded 40 similar events)
[2023-03-15 17:56:58] [INFO ] Invariant cache hit.
[2023-03-15 17:56:58] [INFO ] State equation strengthened by 21 read => feed constraints.
[2023-03-15 17:56:59] [INFO ] Implicit Places using invariants and state equation in 188 ms returned []
Implicit Place search using SMT with State Equation took 355 ms to find 0 implicit places.
[2023-03-15 17:56:59] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-15 17:56:59] [INFO ] Flow matrix only has 116 transitions (discarded 40 similar events)
[2023-03-15 17:56:59] [INFO ] Invariant cache hit.
[2023-03-15 17:56:59] [INFO ] Dead Transitions using invariants and state equation in 177 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 572 ms. Remains : 45/45 places, 156/156 transitions.
Normalized transition count is 116 out of 156 initially.
// Phase 1: matrix 116 rows 45 cols
[2023-03-15 17:56:59] [INFO ] Computed 3 place invariants in 1 ms
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 1562 ms. (steps per millisecond=640 ) properties (out of 1) seen :73
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 499 ms. (steps per millisecond=2004 ) properties (out of 1) seen :6169
[2023-03-15 17:57:01] [INFO ] Flow matrix only has 116 transitions (discarded 40 similar events)
// Phase 1: matrix 116 rows 45 cols
[2023-03-15 17:57:01] [INFO ] Computed 3 place invariants in 2 ms
[2023-03-15 17:57:01] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-15 17:57:01] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-15 17:57:01] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2023-03-15 17:57:01] [INFO ] State equation strengthened by 21 read => feed constraints.
[2023-03-15 17:57:01] [INFO ] [Real]Added 21 Read/Feed constraints in 6 ms returned sat
[2023-03-15 17:57:01] [INFO ] Solution in real domain found non-integer solution.
[2023-03-15 17:57:01] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-15 17:57:01] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-15 17:57:01] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2023-03-15 17:57:01] [INFO ] [Nat]Added 21 Read/Feed constraints in 5 ms returned sat
[2023-03-15 17:57:01] [INFO ] Computed and/alt/rep : 50/316/50 causal constraints (skipped 64 transitions) in 7 ms.
[2023-03-15 17:57:01] [INFO ] Deduced a trap composed of 11 places in 64 ms of which 1 ms to minimize.
[2023-03-15 17:57:01] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 81 ms
[2023-03-15 17:57:01] [INFO ] Added : 4 causal constraints over 2 iterations in 153 ms. Result :sat
Minimization took 15 ms.
Current structural bounds on expressions (after SMT) : [-1] Max seen :[6169]
Support contains 1 out of 45 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 45/45 places, 156/156 transitions.
Applied a total of 0 rules in 10 ms. Remains 45 /45 variables (removed 0) and now considering 156/156 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 45/45 places, 156/156 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 45/45 places, 156/156 transitions.
Applied a total of 0 rules in 3 ms. Remains 45 /45 variables (removed 0) and now considering 156/156 (removed 0) transitions.
[2023-03-15 17:57:05] [INFO ] Flow matrix only has 116 transitions (discarded 40 similar events)
[2023-03-15 17:57:05] [INFO ] Invariant cache hit.
[2023-03-15 17:57:05] [INFO ] Implicit Places using invariants in 161 ms returned []
[2023-03-15 17:57:05] [INFO ] Flow matrix only has 116 transitions (discarded 40 similar events)
[2023-03-15 17:57:05] [INFO ] Invariant cache hit.
[2023-03-15 17:57:06] [INFO ] State equation strengthened by 21 read => feed constraints.
[2023-03-15 17:57:06] [INFO ] Implicit Places using invariants and state equation in 275 ms returned []
Implicit Place search using SMT with State Equation took 450 ms to find 0 implicit places.
[2023-03-15 17:57:06] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-15 17:57:06] [INFO ] Flow matrix only has 116 transitions (discarded 40 similar events)
[2023-03-15 17:57:06] [INFO ] Invariant cache hit.
[2023-03-15 17:57:06] [INFO ] Dead Transitions using invariants and state equation in 135 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 609 ms. Remains : 45/45 places, 156/156 transitions.
Normalized transition count is 116 out of 156 initially.
// Phase 1: matrix 116 rows 45 cols
[2023-03-15 17:57:06] [INFO ] Computed 3 place invariants in 1 ms
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 1597 ms. (steps per millisecond=626 ) properties (out of 1) seen :65
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 502 ms. (steps per millisecond=1992 ) properties (out of 1) seen :5278
[2023-03-15 17:57:08] [INFO ] Flow matrix only has 116 transitions (discarded 40 similar events)
// Phase 1: matrix 116 rows 45 cols
[2023-03-15 17:57:08] [INFO ] Computed 3 place invariants in 3 ms
[2023-03-15 17:57:08] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-15 17:57:08] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-15 17:57:08] [INFO ] [Real]Absence check using state equation in 42 ms returned sat
[2023-03-15 17:57:08] [INFO ] State equation strengthened by 21 read => feed constraints.
[2023-03-15 17:57:08] [INFO ] [Real]Added 21 Read/Feed constraints in 6 ms returned sat
[2023-03-15 17:57:08] [INFO ] Solution in real domain found non-integer solution.
[2023-03-15 17:57:08] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-15 17:57:08] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-15 17:57:08] [INFO ] [Nat]Absence check using state equation in 55 ms returned sat
[2023-03-15 17:57:08] [INFO ] [Nat]Added 21 Read/Feed constraints in 5 ms returned sat
[2023-03-15 17:57:08] [INFO ] Computed and/alt/rep : 50/316/50 causal constraints (skipped 64 transitions) in 19 ms.
[2023-03-15 17:57:08] [INFO ] Deduced a trap composed of 11 places in 149 ms of which 1 ms to minimize.
[2023-03-15 17:57:08] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 201 ms
[2023-03-15 17:57:08] [INFO ] Added : 4 causal constraints over 2 iterations in 389 ms. Result :sat
Minimization took 31 ms.
Current structural bounds on expressions (after SMT) : [-1] Max seen :[6169]
Support contains 1 out of 45 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 45/45 places, 156/156 transitions.
Applied a total of 0 rules in 4 ms. Remains 45 /45 variables (removed 0) and now considering 156/156 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 45/45 places, 156/156 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 45/45 places, 156/156 transitions.
Applied a total of 0 rules in 4 ms. Remains 45 /45 variables (removed 0) and now considering 156/156 (removed 0) transitions.
[2023-03-15 17:57:12] [INFO ] Flow matrix only has 116 transitions (discarded 40 similar events)
[2023-03-15 17:57:12] [INFO ] Invariant cache hit.
[2023-03-15 17:57:12] [INFO ] Implicit Places using invariants in 119 ms returned []
[2023-03-15 17:57:12] [INFO ] Flow matrix only has 116 transitions (discarded 40 similar events)
[2023-03-15 17:57:12] [INFO ] Invariant cache hit.
[2023-03-15 17:57:12] [INFO ] State equation strengthened by 21 read => feed constraints.
[2023-03-15 17:57:13] [INFO ] Implicit Places using invariants and state equation in 233 ms returned []
Implicit Place search using SMT with State Equation took 369 ms to find 0 implicit places.
[2023-03-15 17:57:13] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-15 17:57:13] [INFO ] Flow matrix only has 116 transitions (discarded 40 similar events)
[2023-03-15 17:57:13] [INFO ] Invariant cache hit.
[2023-03-15 17:57:13] [INFO ] Dead Transitions using invariants and state equation in 108 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 507 ms. Remains : 45/45 places, 156/156 transitions.
Ending property specific reduction for DoubleLock-PT-p1s1-UpperBounds-06 in 20403 ms.
Starting property specific reduction for DoubleLock-PT-p1s1-UpperBounds-08
Normalized transition count is 141 out of 186 initially.
// Phase 1: matrix 141 rows 50 cols
[2023-03-15 17:57:13] [INFO ] Computed 2 place invariants in 1 ms
Incomplete random walk after 10000 steps, including 48 resets, run finished after 16 ms. (steps per millisecond=625 ) properties (out of 1) seen :9
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 :11
[2023-03-15 17:57:13] [INFO ] Flow matrix only has 141 transitions (discarded 45 similar events)
// Phase 1: matrix 141 rows 50 cols
[2023-03-15 17:57:13] [INFO ] Computed 2 place invariants in 1 ms
[2023-03-15 17:57:13] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2023-03-15 17:57:13] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-15 17:57:13] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-15 17:57:13] [INFO ] [Real]Absence check using state equation in 42 ms returned sat
[2023-03-15 17:57:13] [INFO ] Solution in real domain found non-integer solution.
[2023-03-15 17:57:13] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-15 17:57:13] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-15 17:57:13] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-15 17:57:13] [INFO ] [Nat]Absence check using state equation in 40 ms returned sat
[2023-03-15 17:57:13] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-15 17:57:13] [INFO ] [Nat]Added 22 Read/Feed constraints in 8 ms returned sat
[2023-03-15 17:57:13] [INFO ] Computed and/alt/rep : 58/398/58 causal constraints (skipped 81 transitions) in 12 ms.
[2023-03-15 17:57:13] [INFO ] Added : 25 causal constraints over 6 iterations in 92 ms. Result :sat
Minimization took 42 ms.
Current structural bounds on expressions (after SMT) : [-1] Max seen :[11]
Support contains 1 out of 50 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 50/50 places, 186/186 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 49 transition count 182
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 49 transition count 182
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 48 transition count 174
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 48 transition count 174
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 47 transition count 166
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 47 transition count 166
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 46 transition count 162
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 46 transition count 162
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 45 transition count 158
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 45 transition count 158
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 11 place count 44 transition count 154
Iterating global reduction 0 with 1 rules applied. Total rules applied 12 place count 44 transition count 154
Applied a total of 12 rules in 16 ms. Remains 44 /50 variables (removed 6) and now considering 154/186 (removed 32) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 16 ms. Remains : 44/50 places, 154/186 transitions.
Normalized transition count is 110 out of 154 initially.
// Phase 1: matrix 110 rows 44 cols
[2023-03-15 17:57:13] [INFO ] Computed 2 place invariants in 1 ms
Incomplete random walk after 1000000 steps, including 5322 resets, run finished after 1184 ms. (steps per millisecond=844 ) properties (out of 1) seen :12
Incomplete Best-First random walk after 1000000 steps, including 2 resets, run finished after 482 ms. (steps per millisecond=2074 ) properties (out of 1) seen :16
[2023-03-15 17:57:15] [INFO ] Flow matrix only has 110 transitions (discarded 44 similar events)
// Phase 1: matrix 110 rows 44 cols
[2023-03-15 17:57:15] [INFO ] Computed 2 place invariants in 1 ms
[2023-03-15 17:57:15] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-15 17:57:15] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-15 17:57:15] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-15 17:57:15] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2023-03-15 17:57:15] [INFO ] Solution in real domain found non-integer solution.
[2023-03-15 17:57:15] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-15 17:57:15] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-15 17:57:15] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-15 17:57:15] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2023-03-15 17:57:15] [INFO ] State equation strengthened by 17 read => feed constraints.
[2023-03-15 17:57:15] [INFO ] [Nat]Added 17 Read/Feed constraints in 6 ms returned sat
[2023-03-15 17:57:15] [INFO ] Computed and/alt/rep : 50/280/49 causal constraints (skipped 59 transitions) in 9 ms.
[2023-03-15 17:57:15] [INFO ] Added : 37 causal constraints over 8 iterations in 105 ms. Result :sat
Minimization took 38 ms.
Current structural bounds on expressions (after SMT) : [-1] Max seen :[16]
Support contains 1 out of 44 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 44/44 places, 154/154 transitions.
Applied a total of 0 rules in 3 ms. Remains 44 /44 variables (removed 0) and now considering 154/154 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 44/44 places, 154/154 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 44/44 places, 154/154 transitions.
Applied a total of 0 rules in 3 ms. Remains 44 /44 variables (removed 0) and now considering 154/154 (removed 0) transitions.
[2023-03-15 17:57:15] [INFO ] Flow matrix only has 110 transitions (discarded 44 similar events)
[2023-03-15 17:57:15] [INFO ] Invariant cache hit.
[2023-03-15 17:57:15] [INFO ] Implicit Places using invariants in 94 ms returned []
[2023-03-15 17:57:15] [INFO ] Flow matrix only has 110 transitions (discarded 44 similar events)
[2023-03-15 17:57:15] [INFO ] Invariant cache hit.
[2023-03-15 17:57:15] [INFO ] State equation strengthened by 17 read => feed constraints.
[2023-03-15 17:57:15] [INFO ] Implicit Places using invariants and state equation in 154 ms returned []
Implicit Place search using SMT with State Equation took 251 ms to find 0 implicit places.
[2023-03-15 17:57:15] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-15 17:57:15] [INFO ] Flow matrix only has 110 transitions (discarded 44 similar events)
[2023-03-15 17:57:15] [INFO ] Invariant cache hit.
[2023-03-15 17:57:16] [INFO ] Dead Transitions using invariants and state equation in 101 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 362 ms. Remains : 44/44 places, 154/154 transitions.
Normalized transition count is 110 out of 154 initially.
// Phase 1: matrix 110 rows 44 cols
[2023-03-15 17:57:16] [INFO ] Computed 2 place invariants in 1 ms
Incomplete random walk after 1000000 steps, including 5324 resets, run finished after 1182 ms. (steps per millisecond=846 ) properties (out of 1) seen :12
Incomplete Best-First random walk after 1000000 steps, including 2 resets, run finished after 479 ms. (steps per millisecond=2087 ) properties (out of 1) seen :15
[2023-03-15 17:57:17] [INFO ] Flow matrix only has 110 transitions (discarded 44 similar events)
// Phase 1: matrix 110 rows 44 cols
[2023-03-15 17:57:17] [INFO ] Computed 2 place invariants in 0 ms
[2023-03-15 17:57:17] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-15 17:57:17] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-15 17:57:17] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-15 17:57:17] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2023-03-15 17:57:17] [INFO ] Solution in real domain found non-integer solution.
[2023-03-15 17:57:17] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2023-03-15 17:57:17] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-15 17:57:17] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-15 17:57:17] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2023-03-15 17:57:17] [INFO ] State equation strengthened by 17 read => feed constraints.
[2023-03-15 17:57:17] [INFO ] [Nat]Added 17 Read/Feed constraints in 7 ms returned sat
[2023-03-15 17:57:17] [INFO ] Computed and/alt/rep : 50/280/49 causal constraints (skipped 59 transitions) in 10 ms.
[2023-03-15 17:57:17] [INFO ] Added : 37 causal constraints over 8 iterations in 107 ms. Result :sat
Minimization took 37 ms.
Current structural bounds on expressions (after SMT) : [-1] Max seen :[16]
Support contains 1 out of 44 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 44/44 places, 154/154 transitions.
Applied a total of 0 rules in 3 ms. Remains 44 /44 variables (removed 0) and now considering 154/154 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 44/44 places, 154/154 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 44/44 places, 154/154 transitions.
Applied a total of 0 rules in 2 ms. Remains 44 /44 variables (removed 0) and now considering 154/154 (removed 0) transitions.
[2023-03-15 17:57:18] [INFO ] Flow matrix only has 110 transitions (discarded 44 similar events)
[2023-03-15 17:57:18] [INFO ] Invariant cache hit.
[2023-03-15 17:57:18] [INFO ] Implicit Places using invariants in 66 ms returned []
[2023-03-15 17:57:18] [INFO ] Flow matrix only has 110 transitions (discarded 44 similar events)
[2023-03-15 17:57:18] [INFO ] Invariant cache hit.
[2023-03-15 17:57:18] [INFO ] State equation strengthened by 17 read => feed constraints.
[2023-03-15 17:57:18] [INFO ] Implicit Places using invariants and state equation in 133 ms returned []
Implicit Place search using SMT with State Equation took 216 ms to find 0 implicit places.
[2023-03-15 17:57:18] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-15 17:57:18] [INFO ] Flow matrix only has 110 transitions (discarded 44 similar events)
[2023-03-15 17:57:18] [INFO ] Invariant cache hit.
[2023-03-15 17:57:18] [INFO ] Dead Transitions using invariants and state equation in 225 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 471 ms. Remains : 44/44 places, 154/154 transitions.
Ending property specific reduction for DoubleLock-PT-p1s1-UpperBounds-08 in 5280 ms.
Starting property specific reduction for DoubleLock-PT-p1s1-UpperBounds-14
Normalized transition count is 141 out of 186 initially.
// Phase 1: matrix 141 rows 50 cols
[2023-03-15 17:57:18] [INFO ] Computed 2 place invariants in 1 ms
Incomplete random walk after 10000 steps, including 48 resets, run finished after 16 ms. (steps per millisecond=625 ) properties (out of 1) seen :6
Incomplete Best-First random walk after 10001 steps, including 5 resets, run finished after 7 ms. (steps per millisecond=1428 ) properties (out of 1) seen :13
[2023-03-15 17:57:18] [INFO ] Flow matrix only has 141 transitions (discarded 45 similar events)
// Phase 1: matrix 141 rows 50 cols
[2023-03-15 17:57:18] [INFO ] Computed 2 place invariants in 1 ms
[2023-03-15 17:57:18] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2023-03-15 17:57:18] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-15 17:57:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-15 17:57:18] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2023-03-15 17:57:18] [INFO ] Solution in real domain found non-integer solution.
[2023-03-15 17:57:18] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2023-03-15 17:57:18] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-15 17:57:18] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-15 17:57:18] [INFO ] [Nat]Absence check using state equation in 37 ms returned sat
[2023-03-15 17:57:18] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-15 17:57:18] [INFO ] [Nat]Added 22 Read/Feed constraints in 7 ms returned sat
[2023-03-15 17:57:18] [INFO ] Computed and/alt/rep : 58/398/58 causal constraints (skipped 81 transitions) in 11 ms.
[2023-03-15 17:57:18] [INFO ] Added : 20 causal constraints over 6 iterations in 90 ms. Result :sat
Minimization took 41 ms.
Current structural bounds on expressions (after SMT) : [-1] Max seen :[13]
Support contains 1 out of 50 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 50/50 places, 186/186 transitions.
Drop transitions removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 50 transition count 184
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 3 place count 49 transition count 180
Iterating global reduction 1 with 1 rules applied. Total rules applied 4 place count 49 transition count 180
Applied a total of 4 rules in 6 ms. Remains 49 /50 variables (removed 1) and now considering 180/186 (removed 6) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 49/50 places, 180/186 transitions.
Normalized transition count is 135 out of 180 initially.
// Phase 1: matrix 135 rows 49 cols
[2023-03-15 17:57:18] [INFO ] Computed 3 place invariants in 0 ms
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 1799 ms. (steps per millisecond=555 ) properties (out of 1) seen :13
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 567 ms. (steps per millisecond=1763 ) properties (out of 1) seen :1635
[2023-03-15 17:57:21] [INFO ] Flow matrix only has 135 transitions (discarded 45 similar events)
// Phase 1: matrix 135 rows 49 cols
[2023-03-15 17:57:21] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-15 17:57:21] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-15 17:57:21] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-15 17:57:21] [INFO ] [Real]Absence check using state equation in 38 ms returned sat
[2023-03-15 17:57:21] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-15 17:57:21] [INFO ] [Real]Added 22 Read/Feed constraints in 7 ms returned sat
[2023-03-15 17:57:21] [INFO ] Solution in real domain found non-integer solution.
[2023-03-15 17:57:21] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-15 17:57:21] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-15 17:57:21] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2023-03-15 17:57:21] [INFO ] [Nat]Added 22 Read/Feed constraints in 6 ms returned sat
[2023-03-15 17:57:21] [INFO ] Deduced a trap composed of 11 places in 59 ms of which 1 ms to minimize.
[2023-03-15 17:57:21] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 69 ms
[2023-03-15 17:57:21] [INFO ] Computed and/alt/rep : 55/352/55 causal constraints (skipped 78 transitions) in 13 ms.
[2023-03-15 17:57:21] [INFO ] Added : 14 causal constraints over 3 iterations in 58 ms. Result :sat
Minimization took 21 ms.
Current structural bounds on expressions (after SMT) : [-1] Max seen :[1635]
Support contains 1 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 180/180 transitions.
Applied a total of 0 rules in 3 ms. Remains 49 /49 variables (removed 0) and now considering 180/180 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 49/49 places, 180/180 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 180/180 transitions.
Applied a total of 0 rules in 2 ms. Remains 49 /49 variables (removed 0) and now considering 180/180 (removed 0) transitions.
[2023-03-15 17:57:24] [INFO ] Flow matrix only has 135 transitions (discarded 45 similar events)
[2023-03-15 17:57:24] [INFO ] Invariant cache hit.
[2023-03-15 17:57:24] [INFO ] Implicit Places using invariants in 105 ms returned []
[2023-03-15 17:57:24] [INFO ] Flow matrix only has 135 transitions (discarded 45 similar events)
[2023-03-15 17:57:24] [INFO ] Invariant cache hit.
[2023-03-15 17:57:24] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-15 17:57:24] [INFO ] Implicit Places using invariants and state equation in 153 ms returned []
Implicit Place search using SMT with State Equation took 270 ms to find 0 implicit places.
[2023-03-15 17:57:24] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-15 17:57:24] [INFO ] Flow matrix only has 135 transitions (discarded 45 similar events)
[2023-03-15 17:57:24] [INFO ] Invariant cache hit.
[2023-03-15 17:57:24] [INFO ] Dead Transitions using invariants and state equation in 138 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 426 ms. Remains : 49/49 places, 180/180 transitions.
Normalized transition count is 135 out of 180 initially.
// Phase 1: matrix 135 rows 49 cols
[2023-03-15 17:57:24] [INFO ] Computed 3 place invariants in 0 ms
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 1751 ms. (steps per millisecond=571 ) properties (out of 1) seen :13
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 :1764
[2023-03-15 17:57:26] [INFO ] Flow matrix only has 135 transitions (discarded 45 similar events)
// Phase 1: matrix 135 rows 49 cols
[2023-03-15 17:57:26] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-15 17:57:26] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-15 17:57:26] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-15 17:57:26] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2023-03-15 17:57:26] [INFO ] Solution in real domain found non-integer solution.
[2023-03-15 17:57:26] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-15 17:57:26] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-15 17:57:27] [INFO ] [Nat]Absence check using state equation in 51 ms returned sat
[2023-03-15 17:57:27] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-15 17:57:27] [INFO ] [Nat]Added 22 Read/Feed constraints in 5 ms returned sat
[2023-03-15 17:57:27] [INFO ] Deduced a trap composed of 11 places in 53 ms of which 1 ms to minimize.
[2023-03-15 17:57:27] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 68 ms
[2023-03-15 17:57:27] [INFO ] Computed and/alt/rep : 55/352/55 causal constraints (skipped 78 transitions) in 11 ms.
[2023-03-15 17:57:27] [INFO ] Added : 22 causal constraints over 5 iterations in 88 ms. Result :sat
Minimization took 25 ms.
Current structural bounds on expressions (after SMT) : [-1] Max seen :[1764]
Support contains 1 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 180/180 transitions.
Applied a total of 0 rules in 3 ms. Remains 49 /49 variables (removed 0) and now considering 180/180 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 49/49 places, 180/180 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 180/180 transitions.
Applied a total of 0 rules in 3 ms. Remains 49 /49 variables (removed 0) and now considering 180/180 (removed 0) transitions.
[2023-03-15 17:57:29] [INFO ] Flow matrix only has 135 transitions (discarded 45 similar events)
[2023-03-15 17:57:29] [INFO ] Invariant cache hit.
[2023-03-15 17:57:29] [INFO ] Implicit Places using invariants in 80 ms returned []
[2023-03-15 17:57:29] [INFO ] Flow matrix only has 135 transitions (discarded 45 similar events)
[2023-03-15 17:57:29] [INFO ] Invariant cache hit.
[2023-03-15 17:57:29] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-15 17:57:29] [INFO ] Implicit Places using invariants and state equation in 142 ms returned []
Implicit Place search using SMT with State Equation took 252 ms to find 0 implicit places.
[2023-03-15 17:57:29] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-15 17:57:29] [INFO ] Flow matrix only has 135 transitions (discarded 45 similar events)
[2023-03-15 17:57:29] [INFO ] Invariant cache hit.
[2023-03-15 17:57:29] [INFO ] Dead Transitions using invariants and state equation in 120 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 409 ms. Remains : 49/49 places, 180/180 transitions.
Normalized transition count is 135 out of 180 initially.
// Phase 1: matrix 135 rows 49 cols
[2023-03-15 17:57:29] [INFO ] Computed 3 place invariants in 1 ms
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 1796 ms. (steps per millisecond=556 ) properties (out of 1) seen :12
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 551 ms. (steps per millisecond=1814 ) properties (out of 1) seen :1739
[2023-03-15 17:57:32] [INFO ] Flow matrix only has 135 transitions (discarded 45 similar events)
// Phase 1: matrix 135 rows 49 cols
[2023-03-15 17:57:32] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-15 17:57:32] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-15 17:57:32] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-15 17:57:32] [INFO ] [Real]Absence check using state equation in 35 ms returned sat
[2023-03-15 17:57:32] [INFO ] Solution in real domain found non-integer solution.
[2023-03-15 17:57:32] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-15 17:57:32] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-15 17:57:32] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2023-03-15 17:57:32] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-15 17:57:32] [INFO ] [Nat]Added 22 Read/Feed constraints in 6 ms returned sat
[2023-03-15 17:57:32] [INFO ] Deduced a trap composed of 11 places in 59 ms of which 0 ms to minimize.
[2023-03-15 17:57:32] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 70 ms
[2023-03-15 17:57:32] [INFO ] Computed and/alt/rep : 55/352/55 causal constraints (skipped 78 transitions) in 10 ms.
[2023-03-15 17:57:32] [INFO ] Added : 22 causal constraints over 5 iterations in 83 ms. Result :sat
Minimization took 24 ms.
Current structural bounds on expressions (after SMT) : [-1] Max seen :[1764]
Support contains 1 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 180/180 transitions.
Applied a total of 0 rules in 3 ms. Remains 49 /49 variables (removed 0) and now considering 180/180 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 49/49 places, 180/180 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 180/180 transitions.
Applied a total of 0 rules in 2 ms. Remains 49 /49 variables (removed 0) and now considering 180/180 (removed 0) transitions.
[2023-03-15 17:57:35] [INFO ] Flow matrix only has 135 transitions (discarded 45 similar events)
[2023-03-15 17:57:35] [INFO ] Invariant cache hit.
[2023-03-15 17:57:35] [INFO ] Implicit Places using invariants in 594 ms returned []
[2023-03-15 17:57:35] [INFO ] Flow matrix only has 135 transitions (discarded 45 similar events)
[2023-03-15 17:57:35] [INFO ] Invariant cache hit.
[2023-03-15 17:57:35] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-15 17:57:35] [INFO ] Implicit Places using invariants and state equation in 126 ms returned []
Implicit Place search using SMT with State Equation took 736 ms to find 0 implicit places.
[2023-03-15 17:57:35] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-15 17:57:35] [INFO ] Flow matrix only has 135 transitions (discarded 45 similar events)
[2023-03-15 17:57:35] [INFO ] Invariant cache hit.
[2023-03-15 17:57:36] [INFO ] Dead Transitions using invariants and state equation in 263 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1012 ms. Remains : 49/49 places, 180/180 transitions.
Ending property specific reduction for DoubleLock-PT-p1s1-UpperBounds-14 in 17611 ms.
[2023-03-15 17:57:36] [INFO ] Flatten gal took : 139 ms
[2023-03-15 17:57:36] [INFO ] Export to MCC of 4 properties in file /home/mcc/execution/UpperBounds.sr.xml took 4 ms.
[2023-03-15 17:57:36] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 50 places, 186 transitions and 748 arcs took 14 ms.
Total runtime 114420 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/928/ub_0_ --maxsum=/tmp/928/ub_1_ --maxsum=/tmp/928/ub_2_ --maxsum=/tmp/928/ub_3_
Could not compute solution for formula : DoubleLock-PT-p1s1-UpperBounds-05
Could not compute solution for formula : DoubleLock-PT-p1s1-UpperBounds-06
Could not compute solution for formula : DoubleLock-PT-p1s1-UpperBounds-08
Could not compute solution for formula : DoubleLock-PT-p1s1-UpperBounds-14

BK_STOP 1678903777430

--------------------
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-p1s1-UpperBounds-05
ub formula formula --maxsum=/tmp/928/ub_0_
ub formula name DoubleLock-PT-p1s1-UpperBounds-06
ub formula formula --maxsum=/tmp/928/ub_1_
ub formula name DoubleLock-PT-p1s1-UpperBounds-08
ub formula formula --maxsum=/tmp/928/ub_2_
ub formula name DoubleLock-PT-p1s1-UpperBounds-14
ub formula formula --maxsum=/tmp/928/ub_3_
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 50 places, 186 transitions and 748 arcs
pnml2lts-sym: Petri net DoubleLock_PT_p1s1 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: 186->151 groups
pnml2lts-sym: Regrouping took 0.030 real 0.030 user 0.000 sys
pnml2lts-sym: state vector length is 50; there are 151 groups
pnml2lts-sym: Computing maximum sum over 1 state variables.
pnml2lts-sym: Computing maximum sum over 1 state variables.
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-p1s1"
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-p1s1, 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-167819418700509"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DoubleLock-PT-p1s1.tgz
mv DoubleLock-PT-p1s1 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 ;