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.r103-tall-167814478100245.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 lolaxred
Input is DBSingleClientW-PT-d1m05, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r103-tall-167814478100245
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 832K
-rw-r--r-- 1 mcc users 8.7K Feb 26 15:19 CTLCardinality.txt
-rw-r--r-- 1 mcc users 96K Feb 26 15:19 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.1K Feb 26 15:18 CTLFireability.txt
-rw-r--r-- 1 mcc users 44K Feb 26 15:18 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K Feb 25 15:49 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Feb 25 15:49 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Feb 25 15:49 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 25 15:49 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Feb 26 15:20 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 106K Feb 26 15:20 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 5.2K Feb 26 15:20 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 37K Feb 26 15:20 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 15:49 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 15:49 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 432K 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 DBSingleClientW-PT-d1m05-UpperBounds-00
FORMULA_NAME DBSingleClientW-PT-d1m05-UpperBounds-01
FORMULA_NAME DBSingleClientW-PT-d1m05-UpperBounds-02
FORMULA_NAME DBSingleClientW-PT-d1m05-UpperBounds-03
FORMULA_NAME DBSingleClientW-PT-d1m05-UpperBounds-04
FORMULA_NAME DBSingleClientW-PT-d1m05-UpperBounds-05
FORMULA_NAME DBSingleClientW-PT-d1m05-UpperBounds-06
FORMULA_NAME DBSingleClientW-PT-d1m05-UpperBounds-07
FORMULA_NAME DBSingleClientW-PT-d1m05-UpperBounds-08
FORMULA_NAME DBSingleClientW-PT-d1m05-UpperBounds-09
FORMULA_NAME DBSingleClientW-PT-d1m05-UpperBounds-10
FORMULA_NAME DBSingleClientW-PT-d1m05-UpperBounds-11
FORMULA_NAME DBSingleClientW-PT-d1m05-UpperBounds-12
FORMULA_NAME DBSingleClientW-PT-d1m05-UpperBounds-13
FORMULA_NAME DBSingleClientW-PT-d1m05-UpperBounds-14
FORMULA_NAME DBSingleClientW-PT-d1m05-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1678238847767

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=lolaxred
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DBSingleClientW-PT-d1m05
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-08 01:27:29] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2023-03-08 01:27:29] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-08 01:27:29] [INFO ] Load time of PNML (sax parser for PT used): 88 ms
[2023-03-08 01:27:29] [INFO ] Transformed 1440 places.
[2023-03-08 01:27:29] [INFO ] Transformed 672 transitions.
[2023-03-08 01:27:29] [INFO ] Parsed PT model containing 1440 places and 672 transitions and 2688 arcs in 153 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 5 ms.
Deduced a syphon composed of 1093 places in 5 ms
Reduce places removed 1093 places and 0 transitions.
FORMULA DBSingleClientW-PT-d1m05-UpperBounds-01 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d1m05-UpperBounds-04 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d1m05-UpperBounds-06 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d1m05-UpperBounds-07 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d1m05-UpperBounds-10 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d1m05-UpperBounds-11 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d1m05-UpperBounds-12 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d1m05-UpperBounds-13 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d1m05-UpperBounds-14 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
// Phase 1: matrix 672 rows 347 cols
[2023-03-08 01:27:29] [INFO ] Computed 6 place invariants in 49 ms
Incomplete random walk after 10000 steps, including 2312 resets, run finished after 122 ms. (steps per millisecond=81 ) properties (out of 7) seen :2
FORMULA DBSingleClientW-PT-d1m05-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10000 steps, including 915 resets, run finished after 39 ms. (steps per millisecond=256 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10000 steps, including 1038 resets, run finished after 26 ms. (steps per millisecond=384 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 953 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 933 resets, run finished after 26 ms. (steps per millisecond=384 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 987 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 955 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 6) seen :0
[2023-03-08 01:27:29] [INFO ] Invariant cache hit.
[2023-03-08 01:27:30] [INFO ] [Real]Absence check using 2 positive place invariants in 6 ms returned sat
[2023-03-08 01:27:30] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 5 ms returned sat
[2023-03-08 01:27:30] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-08 01:27:30] [INFO ] [Real]Absence check using state equation in 183 ms returned sat
[2023-03-08 01:27:30] [INFO ] Solution in real domain found non-integer solution.
[2023-03-08 01:27:30] [INFO ] [Nat]Absence check using 2 positive place invariants in 4 ms returned sat
[2023-03-08 01:27:30] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 13 ms returned sat
[2023-03-08 01:27:30] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-08 01:27:30] [INFO ] [Nat]Absence check using state equation in 144 ms returned sat
[2023-03-08 01:27:30] [INFO ] State equation strengthened by 418 read => feed constraints.
[2023-03-08 01:27:30] [INFO ] [Nat]Added 418 Read/Feed constraints in 76 ms returned sat
[2023-03-08 01:27:31] [INFO ] Deduced a trap composed of 118 places in 131 ms of which 2 ms to minimize.
[2023-03-08 01:27:31] [INFO ] Deduced a trap composed of 125 places in 162 ms of which 1 ms to minimize.
[2023-03-08 01:27:31] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 392 ms
[2023-03-08 01:27:31] [INFO ] Computed and/alt/rep : 126/406/126 causal constraints (skipped 545 transitions) in 130 ms.
[2023-03-08 01:27:31] [INFO ] Added : 10 causal constraints over 2 iterations in 283 ms. Result :sat
Minimization took 266 ms.
[2023-03-08 01:27:31] [INFO ] [Real]Absence check using 2 positive place invariants in 4 ms returned sat
[2023-03-08 01:27:31] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 4 ms returned sat
[2023-03-08 01:27:31] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-08 01:27:32] [INFO ] [Real]Absence check using state equation in 143 ms returned sat
[2023-03-08 01:27:32] [INFO ] Solution in real domain found non-integer solution.
[2023-03-08 01:27:32] [INFO ] [Nat]Absence check using 2 positive place invariants in 3 ms returned sat
[2023-03-08 01:27:32] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 3 ms returned sat
[2023-03-08 01:27:32] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-08 01:27:32] [INFO ] [Nat]Absence check using state equation in 130 ms returned sat
[2023-03-08 01:27:32] [INFO ] [Nat]Added 418 Read/Feed constraints in 127 ms returned sat
[2023-03-08 01:27:32] [INFO ] Computed and/alt/rep : 126/406/126 causal constraints (skipped 545 transitions) in 59 ms.
[2023-03-08 01:27:32] [INFO ] Added : 14 causal constraints over 3 iterations in 299 ms. Result :sat
Minimization took 140 ms.
[2023-03-08 01:27:32] [INFO ] [Real]Absence check using 2 positive place invariants in 4 ms returned sat
[2023-03-08 01:27:32] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 4 ms returned sat
[2023-03-08 01:27:32] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-08 01:27:33] [INFO ] [Real]Absence check using state equation in 130 ms returned sat
[2023-03-08 01:27:33] [INFO ] Solution in real domain found non-integer solution.
[2023-03-08 01:27:33] [INFO ] [Nat]Absence check using 2 positive place invariants in 4 ms returned sat
[2023-03-08 01:27:33] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 5 ms returned sat
[2023-03-08 01:27:33] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-08 01:27:33] [INFO ] [Nat]Absence check using state equation in 125 ms returned sat
[2023-03-08 01:27:33] [INFO ] [Nat]Added 418 Read/Feed constraints in 90 ms returned sat
[2023-03-08 01:27:33] [INFO ] Deduced a trap composed of 210 places in 130 ms of which 1 ms to minimize.
[2023-03-08 01:27:33] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 185 ms
[2023-03-08 01:27:33] [INFO ] Computed and/alt/rep : 126/406/126 causal constraints (skipped 545 transitions) in 68 ms.
[2023-03-08 01:27:33] [INFO ] Deduced a trap composed of 52 places in 146 ms of which 1 ms to minimize.
[2023-03-08 01:27:33] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 207 ms
[2023-03-08 01:27:33] [INFO ] Added : 9 causal constraints over 2 iterations in 438 ms. Result :sat
Minimization took 112 ms.
[2023-03-08 01:27:34] [INFO ] [Real]Absence check using 2 positive place invariants in 4 ms returned sat
[2023-03-08 01:27:34] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 3 ms returned sat
[2023-03-08 01:27:34] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-08 01:27:34] [INFO ] [Real]Absence check using state equation in 153 ms returned sat
[2023-03-08 01:27:34] [INFO ] Solution in real domain found non-integer solution.
[2023-03-08 01:27:34] [INFO ] [Nat]Absence check using 2 positive place invariants in 4 ms returned sat
[2023-03-08 01:27:34] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 3 ms returned sat
[2023-03-08 01:27:34] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-08 01:27:34] [INFO ] [Nat]Absence check using state equation in 152 ms returned sat
[2023-03-08 01:27:34] [INFO ] [Nat]Added 418 Read/Feed constraints in 67 ms returned sat
[2023-03-08 01:27:34] [INFO ] Deduced a trap composed of 86 places in 126 ms of which 2 ms to minimize.
[2023-03-08 01:27:34] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 182 ms
[2023-03-08 01:27:34] [INFO ] Computed and/alt/rep : 126/406/126 causal constraints (skipped 545 transitions) in 58 ms.
[2023-03-08 01:27:35] [INFO ] Added : 6 causal constraints over 2 iterations in 188 ms. Result :sat
Minimization took 245 ms.
[2023-03-08 01:27:35] [INFO ] [Real]Absence check using 2 positive place invariants in 3 ms returned sat
[2023-03-08 01:27:35] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 3 ms returned sat
[2023-03-08 01:27:35] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-08 01:27:35] [INFO ] [Real]Absence check using state equation in 132 ms returned sat
[2023-03-08 01:27:35] [INFO ] Solution in real domain found non-integer solution.
[2023-03-08 01:27:35] [INFO ] [Nat]Absence check using 2 positive place invariants in 3 ms returned sat
[2023-03-08 01:27:35] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 4 ms returned sat
[2023-03-08 01:27:35] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-08 01:27:35] [INFO ] [Nat]Absence check using state equation in 128 ms returned sat
[2023-03-08 01:27:35] [INFO ] [Nat]Added 418 Read/Feed constraints in 72 ms returned sat
[2023-03-08 01:27:35] [INFO ] Deduced a trap composed of 102 places in 126 ms of which 0 ms to minimize.
[2023-03-08 01:27:36] [INFO ] Deduced a trap composed of 100 places in 115 ms of which 1 ms to minimize.
[2023-03-08 01:27:36] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 307 ms
[2023-03-08 01:27:36] [INFO ] Computed and/alt/rep : 126/406/126 causal constraints (skipped 545 transitions) in 54 ms.
[2023-03-08 01:27:36] [INFO ] Added : 7 causal constraints over 2 iterations in 213 ms. Result :sat
Minimization took 130 ms.
[2023-03-08 01:27:36] [INFO ] [Real]Absence check using 2 positive place invariants in 3 ms returned sat
[2023-03-08 01:27:36] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 6 ms returned unsat
Current structural bounds on expressions (after SMT) : [1042, 7, 5, 5, 5, 1] Max seen :[0, 0, 0, 0, 0, 1]
FORMULA DBSingleClientW-PT-d1m05-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Support contains 5 out of 347 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 347/347 places, 672/672 transitions.
Graph (complete) has 1246 edges and 347 vertex of which 325 are kept as prefixes of interest. Removing 22 places using SCC suffix rule.3 ms
Discarding 22 places :
Also discarding 0 output transitions
Drop transitions removed 8 transitions
Ensure Unique test removed 80 transitions
Reduce isomorphic transitions removed 88 transitions.
Iterating post reduction 0 with 88 rules applied. Total rules applied 89 place count 325 transition count 584
Discarding 93 places :
Symmetric choice reduction at 1 with 93 rule applications. Total rules 182 place count 232 transition count 337
Iterating global reduction 1 with 93 rules applied. Total rules applied 275 place count 232 transition count 337
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 283 place count 232 transition count 329
Discarding 72 places :
Symmetric choice reduction at 2 with 72 rule applications. Total rules 355 place count 160 transition count 257
Iterating global reduction 2 with 72 rules applied. Total rules applied 427 place count 160 transition count 257
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 433 place count 160 transition count 251
Discarding 39 places :
Symmetric choice reduction at 3 with 39 rule applications. Total rules 472 place count 121 transition count 189
Iterating global reduction 3 with 39 rules applied. Total rules applied 511 place count 121 transition count 189
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 3 with 20 rules applied. Total rules applied 531 place count 121 transition count 169
Discarding 12 places :
Symmetric choice reduction at 4 with 12 rule applications. Total rules 543 place count 109 transition count 150
Iterating global reduction 4 with 12 rules applied. Total rules applied 555 place count 109 transition count 150
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 4 with 4 rules applied. Total rules applied 559 place count 109 transition count 146
Discarding 7 places :
Symmetric choice reduction at 5 with 7 rule applications. Total rules 566 place count 102 transition count 139
Iterating global reduction 5 with 7 rules applied. Total rules applied 573 place count 102 transition count 139
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 5 with 3 rules applied. Total rules applied 576 place count 102 transition count 136
Discarding 5 places :
Symmetric choice reduction at 6 with 5 rule applications. Total rules 581 place count 97 transition count 131
Iterating global reduction 6 with 5 rules applied. Total rules applied 586 place count 97 transition count 131
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 587 place count 96 transition count 129
Iterating global reduction 6 with 1 rules applied. Total rules applied 588 place count 96 transition count 129
Applied a total of 588 rules in 85 ms. Remains 96 /347 variables (removed 251) and now considering 129/672 (removed 543) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 85 ms. Remains : 96/347 places, 129/672 transitions.
// Phase 1: matrix 129 rows 96 cols
[2023-03-08 01:27:36] [INFO ] Computed 2 place invariants in 1 ms
Incomplete random walk after 1000000 steps, including 229082 resets, run finished after 992 ms. (steps per millisecond=1008 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 1000001 steps, including 98803 resets, run finished after 495 ms. (steps per millisecond=2020 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 1000001 steps, including 98256 resets, run finished after 463 ms. (steps per millisecond=2159 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 1000000 steps, including 98233 resets, run finished after 500 ms. (steps per millisecond=2000 ) properties (out of 5) seen :1
Incomplete Best-First random walk after 1000001 steps, including 98400 resets, run finished after 462 ms. (steps per millisecond=2164 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 1000000 steps, including 98266 resets, run finished after 469 ms. (steps per millisecond=2132 ) properties (out of 5) seen :0
[2023-03-08 01:27:40] [INFO ] Invariant cache hit.
[2023-03-08 01:27:40] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2023-03-08 01:27:40] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-08 01:27:40] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2023-03-08 01:27:40] [INFO ] Solution in real domain found non-integer solution.
[2023-03-08 01:27:40] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2023-03-08 01:27:40] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-08 01:27:40] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2023-03-08 01:27:40] [INFO ] State equation strengthened by 44 read => feed constraints.
[2023-03-08 01:27:40] [INFO ] [Nat]Added 44 Read/Feed constraints in 6 ms returned sat
[2023-03-08 01:27:40] [INFO ] Computed and/alt/rep : 34/82/34 causal constraints (skipped 94 transitions) in 7 ms.
[2023-03-08 01:27:40] [INFO ] Added : 12 causal constraints over 3 iterations in 38 ms. Result :sat
Minimization took 26 ms.
[2023-03-08 01:27:40] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2023-03-08 01:27:40] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-08 01:27:40] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2023-03-08 01:27:40] [INFO ] Solution in real domain found non-integer solution.
[2023-03-08 01:27:40] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2023-03-08 01:27:40] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-08 01:27:40] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2023-03-08 01:27:40] [INFO ] [Nat]Added 44 Read/Feed constraints in 8 ms returned sat
[2023-03-08 01:27:40] [INFO ] Computed and/alt/rep : 34/82/34 causal constraints (skipped 94 transitions) in 8 ms.
[2023-03-08 01:27:40] [INFO ] Added : 11 causal constraints over 3 iterations in 38 ms. Result :sat
Minimization took 20 ms.
[2023-03-08 01:27:40] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2023-03-08 01:27:40] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-08 01:27:40] [INFO ] [Real]Absence check using state equation in 21 ms returned unsat
[2023-03-08 01:27:40] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2023-03-08 01:27:40] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-08 01:27:40] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2023-03-08 01:27:40] [INFO ] Solution in real domain found non-integer solution.
[2023-03-08 01:27:40] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2023-03-08 01:27:40] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-08 01:27:40] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2023-03-08 01:27:40] [INFO ] [Nat]Added 44 Read/Feed constraints in 7 ms returned sat
[2023-03-08 01:27:40] [INFO ] Computed and/alt/rep : 34/82/34 causal constraints (skipped 94 transitions) in 8 ms.
[2023-03-08 01:27:40] [INFO ] Deduced a trap composed of 14 places in 53 ms of which 1 ms to minimize.
[2023-03-08 01:27:40] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 64 ms
[2023-03-08 01:27:40] [INFO ] Added : 7 causal constraints over 2 iterations in 100 ms. Result :sat
Minimization took 35 ms.
[2023-03-08 01:27:40] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2023-03-08 01:27:40] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-08 01:27:40] [INFO ] [Real]Absence check using state equation in 19 ms returned unsat
Current structural bounds on expressions (after SMT) : [1042, 7, 1, 5, 1] Max seen :[0, 0, 1, 0, 1]
FORMULA DBSingleClientW-PT-d1m05-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA DBSingleClientW-PT-d1m05-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Support contains 3 out of 96 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 96/96 places, 129/129 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 95 transition count 127
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 95 transition count 127
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 94 transition count 126
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 94 transition count 126
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 93 transition count 124
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 93 transition count 124
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 7 place count 93 transition count 123
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 8 place count 92 transition count 122
Iterating global reduction 1 with 1 rules applied. Total rules applied 9 place count 92 transition count 122
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 10 place count 91 transition count 121
Iterating global reduction 1 with 1 rules applied. Total rules applied 11 place count 91 transition count 121
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 13 place count 91 transition count 119
Applied a total of 13 rules in 19 ms. Remains 91 /96 variables (removed 5) and now considering 119/129 (removed 10) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 91/96 places, 119/129 transitions.
// Phase 1: matrix 119 rows 91 cols
[2023-03-08 01:27:40] [INFO ] Computed 2 place invariants in 1 ms
Incomplete random walk after 1000000 steps, including 229695 resets, run finished after 878 ms. (steps per millisecond=1138 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 1000000 steps, including 98512 resets, run finished after 440 ms. (steps per millisecond=2272 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 1000000 steps, including 98979 resets, run finished after 453 ms. (steps per millisecond=2207 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 1000000 steps, including 98509 resets, run finished after 426 ms. (steps per millisecond=2347 ) properties (out of 3) seen :0
[2023-03-08 01:27:43] [INFO ] Invariant cache hit.
[2023-03-08 01:27:43] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2023-03-08 01:27:43] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-08 01:27:43] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2023-03-08 01:27:43] [INFO ] Solution in real domain found non-integer solution.
[2023-03-08 01:27:43] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2023-03-08 01:27:43] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-08 01:27:43] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2023-03-08 01:27:43] [INFO ] State equation strengthened by 40 read => feed constraints.
[2023-03-08 01:27:43] [INFO ] [Nat]Added 40 Read/Feed constraints in 13 ms returned sat
[2023-03-08 01:27:43] [INFO ] Computed and/alt/rep : 32/73/32 causal constraints (skipped 86 transitions) in 8 ms.
[2023-03-08 01:27:43] [INFO ] Added : 20 causal constraints over 4 iterations in 57 ms. Result :sat
Minimization took 21 ms.
[2023-03-08 01:27:43] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2023-03-08 01:27:43] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-08 01:27:43] [INFO ] [Real]Absence check using state equation in 38 ms returned sat
[2023-03-08 01:27:43] [INFO ] Solution in real domain found non-integer solution.
[2023-03-08 01:27:43] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2023-03-08 01:27:43] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-08 01:27:43] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2023-03-08 01:27:43] [INFO ] [Nat]Added 40 Read/Feed constraints in 9 ms returned sat
[2023-03-08 01:27:43] [INFO ] Computed and/alt/rep : 32/73/32 causal constraints (skipped 86 transitions) in 7 ms.
[2023-03-08 01:27:43] [INFO ] Added : 12 causal constraints over 3 iterations in 41 ms. Result :sat
Minimization took 18 ms.
[2023-03-08 01:27:43] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2023-03-08 01:27:43] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-08 01:27:43] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2023-03-08 01:27:43] [INFO ] Solution in real domain found non-integer solution.
[2023-03-08 01:27:43] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2023-03-08 01:27:43] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-08 01:27:43] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2023-03-08 01:27:43] [INFO ] [Nat]Added 40 Read/Feed constraints in 5 ms returned sat
[2023-03-08 01:27:43] [INFO ] Computed and/alt/rep : 32/73/32 causal constraints (skipped 86 transitions) in 6 ms.
[2023-03-08 01:27:43] [INFO ] Deduced a trap composed of 13 places in 44 ms of which 0 ms to minimize.
[2023-03-08 01:27:43] [INFO ] Deduced a trap composed of 16 places in 39 ms of which 0 ms to minimize.
[2023-03-08 01:27:43] [INFO ] Deduced a trap composed of 13 places in 37 ms of which 0 ms to minimize.
[2023-03-08 01:27:43] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 149 ms
[2023-03-08 01:27:43] [INFO ] Added : 13 causal constraints over 4 iterations in 208 ms. Result :sat
Minimization took 36 ms.
Current structural bounds on expressions (after SMT) : [1042, 7, 5] Max seen :[0, 0, 0]
Support contains 3 out of 91 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 91/91 places, 119/119 transitions.
Applied a total of 0 rules in 5 ms. Remains 91 /91 variables (removed 0) and now considering 119/119 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 91/91 places, 119/119 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 91/91 places, 119/119 transitions.
Applied a total of 0 rules in 6 ms. Remains 91 /91 variables (removed 0) and now considering 119/119 (removed 0) transitions.
[2023-03-08 01:27:43] [INFO ] Invariant cache hit.
[2023-03-08 01:27:44] [INFO ] Implicit Places using invariants in 62 ms returned []
[2023-03-08 01:27:44] [INFO ] Invariant cache hit.
[2023-03-08 01:27:44] [INFO ] State equation strengthened by 40 read => feed constraints.
[2023-03-08 01:27:44] [INFO ] Implicit Places using invariants and state equation in 135 ms returned []
Implicit Place search using SMT with State Equation took 221 ms to find 0 implicit places.
[2023-03-08 01:27:44] [INFO ] Redundant transitions in 2 ms returned []
[2023-03-08 01:27:44] [INFO ] Invariant cache hit.
[2023-03-08 01:27:44] [INFO ] Dead Transitions using invariants and state equation in 71 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 319 ms. Remains : 91/91 places, 119/119 transitions.
Starting property specific reduction for DBSingleClientW-PT-d1m05-UpperBounds-00
[2023-03-08 01:27:44] [INFO ] Invariant cache hit.
Incomplete random walk after 10000 steps, including 2281 resets, run finished after 9 ms. (steps per millisecond=1111 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 978 resets, run finished after 5 ms. (steps per millisecond=2000 ) properties (out of 1) seen :0
[2023-03-08 01:27:44] [INFO ] Invariant cache hit.
[2023-03-08 01:27:44] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 24 ms returned sat
[2023-03-08 01:27:44] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-08 01:27:44] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2023-03-08 01:27:44] [INFO ] Solution in real domain found non-integer solution.
[2023-03-08 01:27:44] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2023-03-08 01:27:44] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-08 01:27:44] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2023-03-08 01:27:44] [INFO ] State equation strengthened by 40 read => feed constraints.
[2023-03-08 01:27:44] [INFO ] [Nat]Added 40 Read/Feed constraints in 6 ms returned sat
[2023-03-08 01:27:44] [INFO ] Computed and/alt/rep : 32/73/32 causal constraints (skipped 86 transitions) in 7 ms.
[2023-03-08 01:27:44] [INFO ] Added : 20 causal constraints over 4 iterations in 66 ms. Result :sat
Minimization took 20 ms.
Current structural bounds on expressions (after SMT) : [-1] Max seen :[0]
Support contains 1 out of 91 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 91/91 places, 119/119 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 89 transition count 117
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 89 transition count 117
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 6 place count 87 transition count 114
Iterating global reduction 0 with 2 rules applied. Total rules applied 8 place count 87 transition count 114
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 9 place count 87 transition count 113
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 10 place count 86 transition count 111
Iterating global reduction 1 with 1 rules applied. Total rules applied 11 place count 86 transition count 111
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 12 place count 86 transition count 110
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 13 place count 85 transition count 109
Iterating global reduction 2 with 1 rules applied. Total rules applied 14 place count 85 transition count 109
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 15 place count 84 transition count 108
Iterating global reduction 2 with 1 rules applied. Total rules applied 16 place count 84 transition count 108
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 17 place count 84 transition count 107
Applied a total of 17 rules in 19 ms. Remains 84 /91 variables (removed 7) and now considering 107/119 (removed 12) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 84/91 places, 107/119 transitions.
// Phase 1: matrix 107 rows 84 cols
[2023-03-08 01:27:44] [INFO ] Computed 2 place invariants in 1 ms
Incomplete random walk after 1000000 steps, including 229709 resets, run finished after 796 ms. (steps per millisecond=1256 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 1000001 steps, including 98528 resets, run finished after 398 ms. (steps per millisecond=2512 ) properties (out of 1) seen :0
[2023-03-08 01:27:45] [INFO ] Invariant cache hit.
[2023-03-08 01:27:45] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2023-03-08 01:27:45] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-08 01:27:45] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2023-03-08 01:27:45] [INFO ] Solution in real domain found non-integer solution.
[2023-03-08 01:27:45] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2023-03-08 01:27:45] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-08 01:27:45] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2023-03-08 01:27:45] [INFO ] State equation strengthened by 36 read => feed constraints.
[2023-03-08 01:27:45] [INFO ] [Nat]Added 36 Read/Feed constraints in 6 ms returned sat
[2023-03-08 01:27:45] [INFO ] Computed and/alt/rep : 29/63/29 causal constraints (skipped 77 transitions) in 5 ms.
[2023-03-08 01:27:45] [INFO ] Added : 13 causal constraints over 3 iterations in 29 ms. Result :sat
Minimization took 21 ms.
Current structural bounds on expressions (after SMT) : [-1] Max seen :[0]
Support contains 1 out of 84 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 84/84 places, 107/107 transitions.
Applied a total of 0 rules in 6 ms. Remains 84 /84 variables (removed 0) and now considering 107/107 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 84/84 places, 107/107 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 84/84 places, 107/107 transitions.
Applied a total of 0 rules in 5 ms. Remains 84 /84 variables (removed 0) and now considering 107/107 (removed 0) transitions.
[2023-03-08 01:27:46] [INFO ] Invariant cache hit.
[2023-03-08 01:27:46] [INFO ] Implicit Places using invariants in 59 ms returned []
[2023-03-08 01:27:46] [INFO ] Invariant cache hit.
[2023-03-08 01:27:46] [INFO ] State equation strengthened by 36 read => feed constraints.
[2023-03-08 01:27:46] [INFO ] Implicit Places using invariants and state equation in 117 ms returned []
Implicit Place search using SMT with State Equation took 186 ms to find 0 implicit places.
[2023-03-08 01:27:46] [INFO ] Redundant transitions in 2 ms returned []
[2023-03-08 01:27:46] [INFO ] Invariant cache hit.
[2023-03-08 01:27:46] [INFO ] Dead Transitions using invariants and state equation in 53 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 264 ms. Remains : 84/84 places, 107/107 transitions.
Ending property specific reduction for DBSingleClientW-PT-d1m05-UpperBounds-00 in 1975 ms.
Starting property specific reduction for DBSingleClientW-PT-d1m05-UpperBounds-02
// Phase 1: matrix 119 rows 91 cols
[2023-03-08 01:27:46] [INFO ] Computed 2 place invariants in 1 ms
Incomplete random walk after 10000 steps, including 2273 resets, run finished after 10 ms. (steps per millisecond=1000 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 961 resets, run finished after 5 ms. (steps per millisecond=2000 ) properties (out of 1) seen :0
[2023-03-08 01:27:46] [INFO ] Invariant cache hit.
[2023-03-08 01:27:46] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2023-03-08 01:27:46] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-08 01:27:46] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2023-03-08 01:27:46] [INFO ] Solution in real domain found non-integer solution.
[2023-03-08 01:27:46] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2023-03-08 01:27:46] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-08 01:27:46] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2023-03-08 01:27:46] [INFO ] State equation strengthened by 40 read => feed constraints.
[2023-03-08 01:27:46] [INFO ] [Nat]Added 40 Read/Feed constraints in 8 ms returned sat
[2023-03-08 01:27:46] [INFO ] Computed and/alt/rep : 32/73/32 causal constraints (skipped 86 transitions) in 6 ms.
[2023-03-08 01:27:46] [INFO ] Added : 12 causal constraints over 3 iterations in 40 ms. Result :sat
Minimization took 17 ms.
Current structural bounds on expressions (after SMT) : [-1] Max seen :[0]
Support contains 1 out of 91 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 91/91 places, 119/119 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 89 transition count 117
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 89 transition count 117
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 5 place count 89 transition count 116
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 6 place count 88 transition count 115
Iterating global reduction 1 with 1 rules applied. Total rules applied 7 place count 88 transition count 115
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 8 place count 87 transition count 113
Iterating global reduction 1 with 1 rules applied. Total rules applied 9 place count 87 transition count 113
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 10 place count 87 transition count 112
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 11 place count 86 transition count 111
Iterating global reduction 2 with 1 rules applied. Total rules applied 12 place count 86 transition count 111
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 13 place count 85 transition count 110
Iterating global reduction 2 with 1 rules applied. Total rules applied 14 place count 85 transition count 110
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 15 place count 85 transition count 109
Applied a total of 15 rules in 15 ms. Remains 85 /91 variables (removed 6) and now considering 109/119 (removed 10) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15 ms. Remains : 85/91 places, 109/119 transitions.
// Phase 1: matrix 109 rows 85 cols
[2023-03-08 01:27:46] [INFO ] Computed 2 place invariants in 1 ms
Incomplete random walk after 1000000 steps, including 229706 resets, run finished after 789 ms. (steps per millisecond=1267 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 1000000 steps, including 98561 resets, run finished after 389 ms. (steps per millisecond=2570 ) properties (out of 1) seen :0
[2023-03-08 01:27:47] [INFO ] Invariant cache hit.
[2023-03-08 01:27:47] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2023-03-08 01:27:47] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-08 01:27:47] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2023-03-08 01:27:47] [INFO ] Solution in real domain found non-integer solution.
[2023-03-08 01:27:47] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2023-03-08 01:27:47] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-08 01:27:47] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2023-03-08 01:27:47] [INFO ] State equation strengthened by 36 read => feed constraints.
[2023-03-08 01:27:47] [INFO ] [Nat]Added 36 Read/Feed constraints in 8 ms returned sat
[2023-03-08 01:27:47] [INFO ] Computed and/alt/rep : 30/65/30 causal constraints (skipped 78 transitions) in 6 ms.
[2023-03-08 01:27:47] [INFO ] Added : 11 causal constraints over 3 iterations in 34 ms. Result :sat
Minimization took 23 ms.
Current structural bounds on expressions (after SMT) : [-1] Max seen :[0]
Support contains 1 out of 85 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 85/85 places, 109/109 transitions.
Applied a total of 0 rules in 3 ms. Remains 85 /85 variables (removed 0) and now considering 109/109 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 85/85 places, 109/109 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 85/85 places, 109/109 transitions.
Applied a total of 0 rules in 3 ms. Remains 85 /85 variables (removed 0) and now considering 109/109 (removed 0) transitions.
[2023-03-08 01:27:47] [INFO ] Invariant cache hit.
[2023-03-08 01:27:47] [INFO ] Implicit Places using invariants in 45 ms returned []
[2023-03-08 01:27:47] [INFO ] Invariant cache hit.
[2023-03-08 01:27:47] [INFO ] State equation strengthened by 36 read => feed constraints.
[2023-03-08 01:27:48] [INFO ] Implicit Places using invariants and state equation in 122 ms returned []
Implicit Place search using SMT with State Equation took 169 ms to find 0 implicit places.
[2023-03-08 01:27:48] [INFO ] Redundant transitions in 2 ms returned []
[2023-03-08 01:27:48] [INFO ] Invariant cache hit.
[2023-03-08 01:27:48] [INFO ] Dead Transitions using invariants and state equation in 60 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 241 ms. Remains : 85/85 places, 109/109 transitions.
Ending property specific reduction for DBSingleClientW-PT-d1m05-UpperBounds-02 in 1854 ms.
Starting property specific reduction for DBSingleClientW-PT-d1m05-UpperBounds-08
// Phase 1: matrix 119 rows 91 cols
[2023-03-08 01:27:48] [INFO ] Computed 2 place invariants in 1 ms
Incomplete random walk after 10000 steps, including 2298 resets, run finished after 10 ms. (steps per millisecond=1000 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10000 steps, including 1010 resets, run finished after 5 ms. (steps per millisecond=2000 ) properties (out of 1) seen :0
[2023-03-08 01:27:48] [INFO ] Invariant cache hit.
[2023-03-08 01:27:48] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2023-03-08 01:27:48] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-08 01:27:48] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2023-03-08 01:27:48] [INFO ] Solution in real domain found non-integer solution.
[2023-03-08 01:27:48] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2023-03-08 01:27:48] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-08 01:27:48] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2023-03-08 01:27:48] [INFO ] State equation strengthened by 40 read => feed constraints.
[2023-03-08 01:27:48] [INFO ] [Nat]Added 40 Read/Feed constraints in 5 ms returned sat
[2023-03-08 01:27:48] [INFO ] Computed and/alt/rep : 32/73/32 causal constraints (skipped 86 transitions) in 6 ms.
[2023-03-08 01:27:48] [INFO ] Deduced a trap composed of 13 places in 33 ms of which 0 ms to minimize.
[2023-03-08 01:27:48] [INFO ] Deduced a trap composed of 16 places in 38 ms of which 0 ms to minimize.
[2023-03-08 01:27:48] [INFO ] Deduced a trap composed of 13 places in 38 ms of which 0 ms to minimize.
[2023-03-08 01:27:48] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 138 ms
[2023-03-08 01:27:48] [INFO ] Added : 13 causal constraints over 4 iterations in 183 ms. Result :sat
Minimization took 34 ms.
Current structural bounds on expressions (after SMT) : [-1] Max seen :[0]
Support contains 1 out of 91 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 91/91 places, 119/119 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 89 transition count 117
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 89 transition count 117
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 5 place count 89 transition count 116
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 6 place count 88 transition count 114
Iterating global reduction 1 with 1 rules applied. Total rules applied 7 place count 88 transition count 114
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 8 place count 88 transition count 113
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 9 place count 87 transition count 107
Iterating global reduction 2 with 1 rules applied. Total rules applied 10 place count 87 transition count 107
Applied a total of 10 rules in 8 ms. Remains 87 /91 variables (removed 4) and now considering 107/119 (removed 12) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 87/91 places, 107/119 transitions.
// Phase 1: matrix 107 rows 87 cols
[2023-03-08 01:27:48] [INFO ] Computed 2 place invariants in 1 ms
Incomplete random walk after 1000000 steps, including 229434 resets, run finished after 771 ms. (steps per millisecond=1297 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 1000001 steps, including 98005 resets, run finished after 385 ms. (steps per millisecond=2597 ) properties (out of 1) seen :0
[2023-03-08 01:27:49] [INFO ] Invariant cache hit.
[2023-03-08 01:27:49] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2023-03-08 01:27:49] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-08 01:27:49] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2023-03-08 01:27:49] [INFO ] Solution in real domain found non-integer solution.
[2023-03-08 01:27:49] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2023-03-08 01:27:49] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-08 01:27:49] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2023-03-08 01:27:49] [INFO ] State equation strengthened by 32 read => feed constraints.
[2023-03-08 01:27:49] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2023-03-08 01:27:49] [INFO ] Computed and/alt/rep : 31/67/31 causal constraints (skipped 75 transitions) in 6 ms.
[2023-03-08 01:27:49] [INFO ] Added : 15 causal constraints over 4 iterations in 43 ms. Result :sat
Minimization took 27 ms.
Current structural bounds on expressions (after SMT) : [-1] Max seen :[0]
Support contains 1 out of 87 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 87/87 places, 107/107 transitions.
Applied a total of 0 rules in 6 ms. Remains 87 /87 variables (removed 0) and now considering 107/107 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 87/87 places, 107/107 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 87/87 places, 107/107 transitions.
Applied a total of 0 rules in 5 ms. Remains 87 /87 variables (removed 0) and now considering 107/107 (removed 0) transitions.
[2023-03-08 01:27:49] [INFO ] Invariant cache hit.
[2023-03-08 01:27:49] [INFO ] Implicit Places using invariants in 43 ms returned []
[2023-03-08 01:27:49] [INFO ] Invariant cache hit.
[2023-03-08 01:27:49] [INFO ] State equation strengthened by 32 read => feed constraints.
[2023-03-08 01:27:50] [INFO ] Implicit Places using invariants and state equation in 110 ms returned []
Implicit Place search using SMT with State Equation took 178 ms to find 0 implicit places.
[2023-03-08 01:27:50] [INFO ] Redundant transitions in 2 ms returned []
[2023-03-08 01:27:50] [INFO ] Invariant cache hit.
[2023-03-08 01:27:50] [INFO ] Dead Transitions using invariants and state equation in 47 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 236 ms. Remains : 87/87 places, 107/107 transitions.
Ending property specific reduction for DBSingleClientW-PT-d1m05-UpperBounds-08 in 1950 ms.
[2023-03-08 01:27:50] [INFO ] Flatten gal took : 37 ms
[2023-03-08 01:27:50] [INFO ] Export to MCC of 3 properties in file /home/mcc/execution/UpperBounds.sr.xml took 2 ms.
[2023-03-08 01:27:50] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 91 places, 119 transitions and 469 arcs took 2 ms.
Total runtime 21046 ms.
There are residual formulas that ITS could not solve within timeout
starting LoLA
BK_INPUT DBSingleClientW-PT-d1m05
BK_EXAMINATION: UpperBounds
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution/370
Upper Bounds

FORMULA DBSingleClientW-PT-d1m05-UpperBounds-00 1 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA DBSingleClientW-PT-d1m05-UpperBounds-02 1 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA DBSingleClientW-PT-d1m05-UpperBounds-08 2 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

BK_STOP 1678238871398

--------------------
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
lola: MEM LIMIT 32
lola: MEM LIMIT 5
lola: NET
lola: input: PNML file (--pnmlnet)
lola: reading net from /home/mcc/execution/370/model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/370/model.pnml
lola: Reading formula.
lola: Using XML format (--xmlformula)
lola: reading XML formula
lola: reading formula from /home/mcc/execution/370/UpperBounds.xml
lola: Rule S: 0 transitions removed,0 places removed
lola: LAUNCH task # 11 (type EXCL) for 0 DBSingleClientW-PT-d1m05-UpperBounds-00
lola: time limit : 1200 sec
lola: memory limit: 32 pages
lola: LAUNCH task # 9 (type FNDP) for 0 DBSingleClientW-PT-d1m05-UpperBounds-00
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 10 (type EQUN) for 0 DBSingleClientW-PT-d1m05-UpperBounds-00
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 12 (type FNDP) for 3 DBSingleClientW-PT-d1m05-UpperBounds-02
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: Structural Bound: 1
lola: REPORT NUM
lola: FINISHED task # 11 (type EXCL) for DBSingleClientW-PT-d1m05-UpperBounds-00
lola: markings : 163
lola: fired transitions : 170
lola: time used : 0.000000
lola: memory pages used : 1
lola: CANCELED task # 9 (type FNDP) for DBSingleClientW-PT-d1m05-UpperBounds-00 (obsolete)
lola: CANCELED task # 10 (type EQUN) for DBSingleClientW-PT-d1m05-UpperBounds-00 (obsolete)
lola: LAUNCH task # 14 (type EXCL) for 3 DBSingleClientW-PT-d1m05-UpperBounds-02
lola: time limit : 1800 sec
lola: memory limit: 32 pages
lola: LAUNCH task # 13 (type EQUN) for 3 DBSingleClientW-PT-d1m05-UpperBounds-02
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 15 (type FNDP) for 6 DBSingleClientW-PT-d1m05-UpperBounds-08
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: Structural Bound: 1
lola: REPORT NUM
lola: FINISHED task # 14 (type EXCL) for DBSingleClientW-PT-d1m05-UpperBounds-02
lola: markings : 241
lola: fired transitions : 256
lola: time used : 0.000000
lola: memory pages used : 1
lola: CANCELED task # 12 (type FNDP) for DBSingleClientW-PT-d1m05-UpperBounds-02 (obsolete)
lola: CANCELED task # 13 (type EQUN) for DBSingleClientW-PT-d1m05-UpperBounds-02 (obsolete)
lola: LAUNCH task # 17 (type EXCL) for 6 DBSingleClientW-PT-d1m05-UpperBounds-08
lola: time limit : 3600 sec
lola: memory limit: 32 pages
lola: LAUNCH task # 16 (type EQUN) for 6 DBSingleClientW-PT-d1m05-UpperBounds-08
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: Structural Bound: 5
sara: try reading problem file /home/mcc/execution/370/UpperBounds-10.sara.
sara: try reading problem file /home/mcc/execution/370/UpperBounds-16.sara.
sara: try reading problem file /home/mcc/execution/370/UpperBounds-13.sara.
sara: place or transition ordering is non-deterministic
sara: place or transition ordering is non-deterministic
sara: place or transition ordering is non-deterministic
sara: warning, failure of lp_solve (at job 6)

lola: REPORT NUM
lola: FINISHED task # 13 (type EQUN) for DBSingleClientW-PT-d1m05-UpperBounds-02
lola: time used : 0.000000
lola: REPORT NUM
lola: FINISHED task # 17 (type EXCL) for DBSingleClientW-PT-d1m05-UpperBounds-08
lola: markings : 48309
lola: fired transitions : 69886
lola: time used : 0.000000
lola: memory pages used : 1
lola: CANCELED task # 15 (type FNDP) for DBSingleClientW-PT-d1m05-UpperBounds-08 (obsolete)
lola: CANCELED task # 16 (type EQUN) for DBSingleClientW-PT-d1m05-UpperBounds-08 (obsolete)
lola: Portfolio finished: no open formulas

FINAL RESULTS
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY
DBSingleClientW-PT-d1m05-UpperBounds-00: BOUND 1 state space
DBSingleClientW-PT-d1m05-UpperBounds-02: BOUND 1 state space
DBSingleClientW-PT-d1m05-UpperBounds-08: BOUND 2 state space


Time elapsed: 0 secs. Pages in use: 1

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="DBSingleClientW-PT-d1m05"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="lolaxred"
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 lolaxred"
echo " Input is DBSingleClientW-PT-d1m05, 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 r103-tall-167814478100245"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DBSingleClientW-PT-d1m05.tgz
mv DBSingleClientW-PT-d1m05 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 ;