Execution Chart

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

Trace from the execution

Formatting '/mnt/tpsp/fkordon/mcc2023-input.r421-tajo-167905975100357.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2023-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5348
Executing tool itstools
Input is SieveSingleMsgMbox-PT-d0m04, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r421-tajo-167905975100357
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 480K
-rw-r--r-- 1 mcc users 6.4K Feb 26 10:24 CTLCardinality.txt
-rw-r--r-- 1 mcc users 66K Feb 26 10:24 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.3K Feb 26 10:24 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K Feb 26 10:24 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K Feb 25 17:05 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Feb 25 17:05 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Feb 25 17:05 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Feb 25 17:05 LTLFireability.xml
-rw-r--r-- 1 mcc users 10K Feb 26 10:25 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 106K Feb 26 10:25 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.8K Feb 26 10:25 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 78K Feb 26 10:25 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Feb 25 17:05 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 17:05 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 57K Mar 5 18:23 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 SieveSingleMsgMbox-PT-d0m04-UpperBounds-00
FORMULA_NAME SieveSingleMsgMbox-PT-d0m04-UpperBounds-01
FORMULA_NAME SieveSingleMsgMbox-PT-d0m04-UpperBounds-02
FORMULA_NAME SieveSingleMsgMbox-PT-d0m04-UpperBounds-03
FORMULA_NAME SieveSingleMsgMbox-PT-d0m04-UpperBounds-04
FORMULA_NAME SieveSingleMsgMbox-PT-d0m04-UpperBounds-05
FORMULA_NAME SieveSingleMsgMbox-PT-d0m04-UpperBounds-06
FORMULA_NAME SieveSingleMsgMbox-PT-d0m04-UpperBounds-07
FORMULA_NAME SieveSingleMsgMbox-PT-d0m04-UpperBounds-08
FORMULA_NAME SieveSingleMsgMbox-PT-d0m04-UpperBounds-09
FORMULA_NAME SieveSingleMsgMbox-PT-d0m04-UpperBounds-10
FORMULA_NAME SieveSingleMsgMbox-PT-d0m04-UpperBounds-11
FORMULA_NAME SieveSingleMsgMbox-PT-d0m04-UpperBounds-12
FORMULA_NAME SieveSingleMsgMbox-PT-d0m04-UpperBounds-13
FORMULA_NAME SieveSingleMsgMbox-PT-d0m04-UpperBounds-14
FORMULA_NAME SieveSingleMsgMbox-PT-d0m04-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1679176622220

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=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=SieveSingleMsgMbox-PT-d0m04
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202303021504
[2023-03-18 21:57:04] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2023-03-18 21:57:04] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-18 21:57:04] [INFO ] Load time of PNML (sax parser for PT used): 47 ms
[2023-03-18 21:57:04] [INFO ] Transformed 262 places.
[2023-03-18 21:57:04] [INFO ] Transformed 73 transitions.
[2023-03-18 21:57:04] [INFO ] Parsed PT model containing 262 places and 73 transitions and 292 arcs in 119 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 4 ms.
Deduced a syphon composed of 190 places in 1 ms
Reduce places removed 190 places and 0 transitions.
FORMULA SieveSingleMsgMbox-PT-d0m04-UpperBounds-03 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d0m04-UpperBounds-07 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d0m04-UpperBounds-08 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d0m04-UpperBounds-09 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d0m04-UpperBounds-10 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d0m04-UpperBounds-12 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d0m04-UpperBounds-13 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d0m04-UpperBounds-15 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
// Phase 1: matrix 73 rows 72 cols
[2023-03-18 21:57:04] [INFO ] Computed 6 place invariants in 7 ms
Incomplete random walk after 10000 steps, including 2203 resets, run finished after 38 ms. (steps per millisecond=263 ) properties (out of 8) seen :3
FORMULA SieveSingleMsgMbox-PT-d0m04-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA SieveSingleMsgMbox-PT-d0m04-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 1027 resets, run finished after 23 ms. (steps per millisecond=434 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 1042 resets, run finished after 11 ms. (steps per millisecond=909 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 1015 resets, run finished after 11 ms. (steps per millisecond=909 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 1026 resets, run finished after 11 ms. (steps per millisecond=909 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 1050 resets, run finished after 10 ms. (steps per millisecond=1000 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 1030 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 6) seen :0
[2023-03-18 21:57:04] [INFO ] Invariant cache hit.
[2023-03-18 21:57:04] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2023-03-18 21:57:04] [INFO ] [Real]Absence check using 3 positive and 3 generalized place invariants in 2 ms returned unsat
[2023-03-18 21:57:04] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-18 21:57:04] [INFO ] [Real]Absence check using 3 positive and 3 generalized place invariants in 4 ms returned sat
[2023-03-18 21:57:04] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-18 21:57:04] [INFO ] [Real]Absence check using state equation in 35 ms returned sat
[2023-03-18 21:57:04] [INFO ] State equation strengthened by 31 read => feed constraints.
[2023-03-18 21:57:04] [INFO ] [Real]Added 31 Read/Feed constraints in 11 ms returned sat
[2023-03-18 21:57:04] [INFO ] Solution in real domain found non-integer solution.
[2023-03-18 21:57:04] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-18 21:57:04] [INFO ] [Nat]Absence check using 3 positive and 3 generalized place invariants in 1 ms returned sat
[2023-03-18 21:57:04] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-18 21:57:04] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2023-03-18 21:57:04] [INFO ] [Nat]Added 31 Read/Feed constraints in 4 ms returned sat
[2023-03-18 21:57:04] [INFO ] Deduced a trap composed of 12 places in 52 ms of which 2 ms to minimize.
[2023-03-18 21:57:04] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 60 ms
[2023-03-18 21:57:04] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-18 21:57:04] [INFO ] [Real]Absence check using 3 positive and 3 generalized place invariants in 1 ms returned sat
[2023-03-18 21:57:04] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-18 21:57:04] [INFO ] [Real]Absence check using state equation in 19 ms returned sat
[2023-03-18 21:57:04] [INFO ] Solution in real domain found non-integer solution.
[2023-03-18 21:57:04] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-18 21:57:04] [INFO ] [Nat]Absence check using 3 positive and 3 generalized place invariants in 1 ms returned sat
[2023-03-18 21:57:04] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-18 21:57:04] [INFO ] [Nat]Absence check using state equation in 45 ms returned sat
[2023-03-18 21:57:04] [INFO ] [Nat]Added 31 Read/Feed constraints in 16 ms returned sat
[2023-03-18 21:57:05] [INFO ] Deduced a trap composed of 21 places in 113 ms of which 0 ms to minimize.
[2023-03-18 21:57:05] [INFO ] Deduced a trap composed of 39 places in 63 ms of which 1 ms to minimize.
[2023-03-18 21:57:05] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 197 ms
[2023-03-18 21:57:05] [INFO ] Computed and/alt/rep : 22/34/22 causal constraints (skipped 50 transitions) in 8 ms.
[2023-03-18 21:57:05] [INFO ] Deduced a trap composed of 15 places in 89 ms of which 1 ms to minimize.
[2023-03-18 21:57:05] [INFO ] Deduced a trap composed of 30 places in 75 ms of which 9 ms to minimize.
[2023-03-18 21:57:05] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 191 ms
[2023-03-18 21:57:05] [INFO ] Added : 14 causal constraints over 3 iterations in 318 ms. Result :sat
Minimization took 39 ms.
[2023-03-18 21:57:05] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2023-03-18 21:57:05] [INFO ] [Real]Absence check using 3 positive and 3 generalized place invariants in 2 ms returned sat
[2023-03-18 21:57:05] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-18 21:57:05] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2023-03-18 21:57:05] [INFO ] Solution in real domain found non-integer solution.
[2023-03-18 21:57:05] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-18 21:57:05] [INFO ] [Nat]Absence check using 3 positive and 3 generalized place invariants in 1 ms returned sat
[2023-03-18 21:57:05] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-18 21:57:05] [INFO ] [Nat]Absence check using state equation in 18 ms returned sat
[2023-03-18 21:57:05] [INFO ] [Nat]Added 31 Read/Feed constraints in 6 ms returned sat
[2023-03-18 21:57:05] [INFO ] Computed and/alt/rep : 22/34/22 causal constraints (skipped 50 transitions) in 10 ms.
[2023-03-18 21:57:05] [INFO ] Added : 6 causal constraints over 2 iterations in 28 ms. Result :sat
Minimization took 10 ms.
[2023-03-18 21:57:05] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-18 21:57:05] [INFO ] [Real]Absence check using 3 positive and 3 generalized place invariants in 1 ms returned sat
[2023-03-18 21:57:05] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-18 21:57:05] [INFO ] [Real]Absence check using state equation in 19 ms returned sat
[2023-03-18 21:57:05] [INFO ] Solution in real domain found non-integer solution.
[2023-03-18 21:57:05] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-18 21:57:05] [INFO ] [Nat]Absence check using 3 positive and 3 generalized place invariants in 1 ms returned sat
[2023-03-18 21:57:05] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-18 21:57:05] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2023-03-18 21:57:05] [INFO ] [Nat]Added 31 Read/Feed constraints in 4 ms returned sat
[2023-03-18 21:57:05] [INFO ] Computed and/alt/rep : 22/34/22 causal constraints (skipped 50 transitions) in 12 ms.
[2023-03-18 21:57:05] [INFO ] Added : 6 causal constraints over 2 iterations in 26 ms. Result :sat
Minimization took 8 ms.
[2023-03-18 21:57:05] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-18 21:57:05] [INFO ] [Real]Absence check using 3 positive and 3 generalized place invariants in 1 ms returned sat
[2023-03-18 21:57:05] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-18 21:57:05] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2023-03-18 21:57:05] [INFO ] Solution in real domain found non-integer solution.
[2023-03-18 21:57:05] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-18 21:57:05] [INFO ] [Nat]Absence check using 3 positive and 3 generalized place invariants in 0 ms returned sat
[2023-03-18 21:57:05] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-18 21:57:05] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2023-03-18 21:57:05] [INFO ] [Nat]Added 31 Read/Feed constraints in 7 ms returned sat
[2023-03-18 21:57:06] [INFO ] Deduced a trap composed of 30 places in 35 ms of which 1 ms to minimize.
[2023-03-18 21:57:06] [INFO ] Deduced a trap composed of 22 places in 30 ms of which 1 ms to minimize.
[2023-03-18 21:57:06] [INFO ] Deduced a trap composed of 15 places in 35 ms of which 0 ms to minimize.
[2023-03-18 21:57:06] [INFO ] Deduced a trap composed of 21 places in 45 ms of which 0 ms to minimize.
[2023-03-18 21:57:06] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 168 ms
[2023-03-18 21:57:06] [INFO ] Computed and/alt/rep : 22/34/22 causal constraints (skipped 50 transitions) in 8 ms.
[2023-03-18 21:57:06] [INFO ] Added : 11 causal constraints over 3 iterations in 26 ms. Result :sat
Minimization took 8 ms.
Current structural bounds on expressions (after SMT) : [1, 0, 41, 1, 7, 7] Max seen :[1, 0, 0, 0, 0, 0]
FORMULA SieveSingleMsgMbox-PT-d0m04-UpperBounds-01 0 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA SieveSingleMsgMbox-PT-d0m04-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Support contains 4 out of 72 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 72/72 places, 73/73 transitions.
Graph (complete) has 192 edges and 72 vertex of which 69 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 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 69 transition count 71
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 10 place count 62 transition count 64
Iterating global reduction 1 with 7 rules applied. Total rules applied 17 place count 62 transition count 64
Applied a total of 17 rules in 26 ms. Remains 62 /72 variables (removed 10) and now considering 64/73 (removed 9) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26 ms. Remains : 62/72 places, 64/73 transitions.
// Phase 1: matrix 64 rows 62 cols
[2023-03-18 21:57:06] [INFO ] Computed 4 place invariants in 2 ms
FORMULA SieveSingleMsgMbox-PT-d0m04-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 1000000 steps, including 223853 resets, run finished after 786 ms. (steps per millisecond=1272 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 1000001 steps, including 103003 resets, run finished after 289 ms. (steps per millisecond=3460 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 1000000 steps, including 102915 resets, run finished after 296 ms. (steps per millisecond=3378 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 1000000 steps, including 103237 resets, run finished after 283 ms. (steps per millisecond=3533 ) properties (out of 3) seen :0
[2023-03-18 21:57:07] [INFO ] Invariant cache hit.
[2023-03-18 21:57:07] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-18 21:57:07] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-18 21:57:07] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-18 21:57:08] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2023-03-18 21:57:08] [INFO ] Solution in real domain found non-integer solution.
[2023-03-18 21:57:08] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-18 21:57:08] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2023-03-18 21:57:08] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-18 21:57:08] [INFO ] [Nat]Absence check using state equation in 37 ms returned sat
[2023-03-18 21:57:08] [INFO ] State equation strengthened by 25 read => feed constraints.
[2023-03-18 21:57:08] [INFO ] [Nat]Added 25 Read/Feed constraints in 3 ms returned sat
[2023-03-18 21:57:08] [INFO ] Computed and/alt/rep : 17/30/17 causal constraints (skipped 46 transitions) in 4 ms.
[2023-03-18 21:57:08] [INFO ] Deduced a trap composed of 11 places in 33 ms of which 1 ms to minimize.
[2023-03-18 21:57:08] [INFO ] Deduced a trap composed of 14 places in 30 ms of which 0 ms to minimize.
[2023-03-18 21:57:08] [INFO ] Deduced a trap composed of 12 places in 34 ms of which 0 ms to minimize.
[2023-03-18 21:57:08] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 126 ms
[2023-03-18 21:57:08] [INFO ] Added : 14 causal constraints over 5 iterations in 159 ms. Result :sat
Minimization took 38 ms.
[2023-03-18 21:57:08] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-18 21:57:08] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-18 21:57:08] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-18 21:57:08] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2023-03-18 21:57:08] [INFO ] Solution in real domain found non-integer solution.
[2023-03-18 21:57:08] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-18 21:57:08] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-18 21:57:08] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-18 21:57:08] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2023-03-18 21:57:08] [INFO ] [Nat]Added 25 Read/Feed constraints in 4 ms returned sat
[2023-03-18 21:57:08] [INFO ] Computed and/alt/rep : 17/30/17 causal constraints (skipped 46 transitions) in 7 ms.
[2023-03-18 21:57:08] [INFO ] Deduced a trap composed of 12 places in 42 ms of which 1 ms to minimize.
[2023-03-18 21:57:08] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 50 ms
[2023-03-18 21:57:08] [INFO ] Added : 13 causal constraints over 3 iterations in 80 ms. Result :sat
Minimization took 16 ms.
[2023-03-18 21:57:08] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-18 21:57:08] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-18 21:57:08] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-18 21:57:08] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2023-03-18 21:57:08] [INFO ] Solution in real domain found non-integer solution.
[2023-03-18 21:57:08] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-18 21:57:08] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-18 21:57:08] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-18 21:57:08] [INFO ] [Nat]Absence check using state equation in 16 ms returned sat
[2023-03-18 21:57:08] [INFO ] [Nat]Added 25 Read/Feed constraints in 4 ms returned sat
[2023-03-18 21:57:08] [INFO ] Computed and/alt/rep : 17/30/17 causal constraints (skipped 46 transitions) in 6 ms.
[2023-03-18 21:57:08] [INFO ] Deduced a trap composed of 12 places in 46 ms of which 0 ms to minimize.
[2023-03-18 21:57:08] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 55 ms
[2023-03-18 21:57:08] [INFO ] Added : 13 causal constraints over 3 iterations in 82 ms. Result :sat
Minimization took 9 ms.
Current structural bounds on expressions (after SMT) : [4, 1, 7] Max seen :[0, 0, 0]
Support contains 3 out of 62 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 62/62 places, 64/64 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 61 transition count 63
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 61 transition count 63
Applied a total of 2 rules in 10 ms. Remains 61 /62 variables (removed 1) and now considering 63/64 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 61/62 places, 63/64 transitions.
// Phase 1: matrix 63 rows 61 cols
[2023-03-18 21:57:08] [INFO ] Computed 4 place invariants in 2 ms
Incomplete random walk after 1000000 steps, including 223636 resets, run finished after 815 ms. (steps per millisecond=1226 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 1000001 steps, including 102918 resets, run finished after 358 ms. (steps per millisecond=2793 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 1000001 steps, including 102621 resets, run finished after 319 ms. (steps per millisecond=3134 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 1000000 steps, including 103172 resets, run finished after 318 ms. (steps per millisecond=3144 ) properties (out of 3) seen :0
[2023-03-18 21:57:10] [INFO ] Invariant cache hit.
[2023-03-18 21:57:10] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-18 21:57:10] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2023-03-18 21:57:10] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-18 21:57:10] [INFO ] [Real]Absence check using state equation in 16 ms returned sat
[2023-03-18 21:57:10] [INFO ] Solution in real domain found non-integer solution.
[2023-03-18 21:57:10] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-18 21:57:10] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2023-03-18 21:57:10] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-18 21:57:10] [INFO ] [Nat]Absence check using state equation in 16 ms returned sat
[2023-03-18 21:57:10] [INFO ] State equation strengthened by 25 read => feed constraints.
[2023-03-18 21:57:10] [INFO ] [Nat]Added 25 Read/Feed constraints in 3 ms returned sat
[2023-03-18 21:57:10] [INFO ] Computed and/alt/rep : 16/30/16 causal constraints (skipped 46 transitions) in 6 ms.
[2023-03-18 21:57:10] [INFO ] Deduced a trap composed of 12 places in 40 ms of which 0 ms to minimize.
[2023-03-18 21:57:10] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 47 ms
[2023-03-18 21:57:10] [INFO ] Added : 13 causal constraints over 4 iterations in 75 ms. Result :sat
Minimization took 31 ms.
[2023-03-18 21:57:10] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-18 21:57:10] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2023-03-18 21:57:10] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-18 21:57:10] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2023-03-18 21:57:10] [INFO ] Solution in real domain found non-integer solution.
[2023-03-18 21:57:10] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-18 21:57:10] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-18 21:57:10] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-18 21:57:10] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2023-03-18 21:57:10] [INFO ] [Nat]Added 25 Read/Feed constraints in 4 ms returned sat
[2023-03-18 21:57:10] [INFO ] Computed and/alt/rep : 16/30/16 causal constraints (skipped 46 transitions) in 6 ms.
[2023-03-18 21:57:11] [INFO ] Deduced a trap composed of 11 places in 50 ms of which 0 ms to minimize.
[2023-03-18 21:57:11] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 64 ms
[2023-03-18 21:57:11] [INFO ] Added : 14 causal constraints over 3 iterations in 110 ms. Result :sat
Minimization took 28 ms.
[2023-03-18 21:57:11] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2023-03-18 21:57:11] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2023-03-18 21:57:11] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-18 21:57:11] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2023-03-18 21:57:11] [INFO ] Solution in real domain found non-integer solution.
[2023-03-18 21:57:11] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-18 21:57:11] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-18 21:57:11] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-18 21:57:11] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2023-03-18 21:57:11] [INFO ] [Nat]Added 25 Read/Feed constraints in 4 ms returned sat
[2023-03-18 21:57:11] [INFO ] Computed and/alt/rep : 16/30/16 causal constraints (skipped 46 transitions) in 9 ms.
[2023-03-18 21:57:11] [INFO ] Deduced a trap composed of 12 places in 66 ms of which 1 ms to minimize.
[2023-03-18 21:57:11] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 98 ms
[2023-03-18 21:57:11] [INFO ] Added : 13 causal constraints over 4 iterations in 141 ms. Result :sat
Minimization took 14 ms.
Current structural bounds on expressions (after SMT) : [4, 1, 7] Max seen :[0, 0, 0]
Support contains 3 out of 61 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 61/61 places, 63/63 transitions.
Applied a total of 0 rules in 6 ms. Remains 61 /61 variables (removed 0) and now considering 63/63 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 61/61 places, 63/63 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 61/61 places, 63/63 transitions.
Applied a total of 0 rules in 5 ms. Remains 61 /61 variables (removed 0) and now considering 63/63 (removed 0) transitions.
[2023-03-18 21:57:11] [INFO ] Invariant cache hit.
[2023-03-18 21:57:11] [INFO ] Implicit Places using invariants in 48 ms returned []
[2023-03-18 21:57:11] [INFO ] Invariant cache hit.
[2023-03-18 21:57:11] [INFO ] State equation strengthened by 25 read => feed constraints.
[2023-03-18 21:57:11] [INFO ] Implicit Places using invariants and state equation in 115 ms returned []
Implicit Place search using SMT with State Equation took 166 ms to find 0 implicit places.
[2023-03-18 21:57:11] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-18 21:57:11] [INFO ] Invariant cache hit.
[2023-03-18 21:57:11] [INFO ] Dead Transitions using invariants and state equation in 60 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 243 ms. Remains : 61/61 places, 63/63 transitions.
Starting property specific reduction for SieveSingleMsgMbox-PT-d0m04-UpperBounds-04
[2023-03-18 21:57:11] [INFO ] Invariant cache hit.
Incomplete random walk after 10000 steps, including 2220 resets, run finished after 8 ms. (steps per millisecond=1250 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 1022 resets, run finished after 5 ms. (steps per millisecond=2000 ) properties (out of 1) seen :0
[2023-03-18 21:57:11] [INFO ] Invariant cache hit.
[2023-03-18 21:57:11] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-18 21:57:11] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2023-03-18 21:57:11] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-18 21:57:11] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2023-03-18 21:57:11] [INFO ] Solution in real domain found non-integer solution.
[2023-03-18 21:57:11] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2023-03-18 21:57:11] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 3 ms returned sat
[2023-03-18 21:57:11] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-18 21:57:11] [INFO ] [Nat]Absence check using state equation in 19 ms returned sat
[2023-03-18 21:57:11] [INFO ] State equation strengthened by 25 read => feed constraints.
[2023-03-18 21:57:11] [INFO ] [Nat]Added 25 Read/Feed constraints in 4 ms returned sat
[2023-03-18 21:57:11] [INFO ] Computed and/alt/rep : 16/30/16 causal constraints (skipped 46 transitions) in 6 ms.
[2023-03-18 21:57:11] [INFO ] Deduced a trap composed of 12 places in 29 ms of which 1 ms to minimize.
[2023-03-18 21:57:11] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 37 ms
[2023-03-18 21:57:11] [INFO ] Added : 13 causal constraints over 4 iterations in 69 ms. Result :sat
Minimization took 31 ms.
Current structural bounds on expressions (after SMT) : [4] Max seen :[0]
Support contains 1 out of 61 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 61/61 places, 63/63 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 60 transition count 62
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 60 transition count 62
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 59 transition count 61
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 59 transition count 61
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 59 transition count 60
Applied a total of 5 rules in 11 ms. Remains 59 /61 variables (removed 2) and now considering 60/63 (removed 3) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 59/61 places, 60/63 transitions.
// Phase 1: matrix 60 rows 59 cols
[2023-03-18 21:57:12] [INFO ] Computed 4 place invariants in 2 ms
Incomplete random walk after 1000000 steps, including 223771 resets, run finished after 685 ms. (steps per millisecond=1459 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 1000000 steps, including 103031 resets, run finished after 302 ms. (steps per millisecond=3311 ) properties (out of 1) seen :0
[2023-03-18 21:57:13] [INFO ] Invariant cache hit.
[2023-03-18 21:57:13] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-18 21:57:13] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-18 21:57:13] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-18 21:57:13] [INFO ] [Real]Absence check using state equation in 45 ms returned sat
[2023-03-18 21:57:13] [INFO ] Solution in real domain found non-integer solution.
[2023-03-18 21:57:13] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-18 21:57:13] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-18 21:57:13] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-18 21:57:13] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2023-03-18 21:57:13] [INFO ] State equation strengthened by 24 read => feed constraints.
[2023-03-18 21:57:13] [INFO ] [Nat]Added 24 Read/Feed constraints in 4 ms returned sat
[2023-03-18 21:57:13] [INFO ] Computed and/alt/rep : 15/28/15 causal constraints (skipped 44 transitions) in 5 ms.
[2023-03-18 21:57:13] [INFO ] Deduced a trap composed of 10 places in 68 ms of which 0 ms to minimize.
[2023-03-18 21:57:13] [INFO ] Deduced a trap composed of 12 places in 41 ms of which 1 ms to minimize.
[2023-03-18 21:57:13] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 136 ms
[2023-03-18 21:57:13] [INFO ] Added : 13 causal constraints over 4 iterations in 177 ms. Result :sat
Minimization took 20 ms.
Current structural bounds on expressions (after SMT) : [4] Max seen :[0]
Support contains 1 out of 59 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 59/59 places, 60/60 transitions.
Applied a total of 0 rules in 4 ms. Remains 59 /59 variables (removed 0) and now considering 60/60 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 59/59 places, 60/60 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 59/59 places, 60/60 transitions.
Applied a total of 0 rules in 5 ms. Remains 59 /59 variables (removed 0) and now considering 60/60 (removed 0) transitions.
[2023-03-18 21:57:13] [INFO ] Invariant cache hit.
[2023-03-18 21:57:13] [INFO ] Implicit Places using invariants in 47 ms returned []
[2023-03-18 21:57:13] [INFO ] Invariant cache hit.
[2023-03-18 21:57:13] [INFO ] State equation strengthened by 24 read => feed constraints.
[2023-03-18 21:57:13] [INFO ] Implicit Places using invariants and state equation in 98 ms returned []
Implicit Place search using SMT with State Equation took 171 ms to find 0 implicit places.
[2023-03-18 21:57:13] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-18 21:57:13] [INFO ] Invariant cache hit.
[2023-03-18 21:57:13] [INFO ] Dead Transitions using invariants and state equation in 48 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 237 ms. Remains : 59/59 places, 60/60 transitions.
Ending property specific reduction for SieveSingleMsgMbox-PT-d0m04-UpperBounds-04 in 1874 ms.
Starting property specific reduction for SieveSingleMsgMbox-PT-d0m04-UpperBounds-05
// Phase 1: matrix 63 rows 61 cols
[2023-03-18 21:57:13] [INFO ] Computed 4 place invariants in 7 ms
Incomplete random walk after 10000 steps, including 2272 resets, run finished after 9 ms. (steps per millisecond=1111 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10000 steps, including 1031 resets, run finished after 5 ms. (steps per millisecond=2000 ) properties (out of 1) seen :0
[2023-03-18 21:57:13] [INFO ] Invariant cache hit.
[2023-03-18 21:57:13] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-18 21:57:13] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2023-03-18 21:57:13] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-18 21:57:13] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2023-03-18 21:57:13] [INFO ] Solution in real domain found non-integer solution.
[2023-03-18 21:57:13] [INFO ] [Nat]Absence check using 3 positive place invariants in 13 ms returned sat
[2023-03-18 21:57:13] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 3 ms returned sat
[2023-03-18 21:57:13] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-18 21:57:13] [INFO ] [Nat]Absence check using state equation in 15 ms returned sat
[2023-03-18 21:57:13] [INFO ] State equation strengthened by 25 read => feed constraints.
[2023-03-18 21:57:13] [INFO ] [Nat]Added 25 Read/Feed constraints in 3 ms returned sat
[2023-03-18 21:57:13] [INFO ] Computed and/alt/rep : 16/30/16 causal constraints (skipped 46 transitions) in 6 ms.
[2023-03-18 21:57:13] [INFO ] Deduced a trap composed of 11 places in 73 ms of which 0 ms to minimize.
[2023-03-18 21:57:13] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 92 ms
[2023-03-18 21:57:13] [INFO ] Added : 14 causal constraints over 3 iterations in 121 ms. Result :sat
Minimization took 14 ms.
Current structural bounds on expressions (after SMT) : [45] Max seen :[0]
Support contains 1 out of 61 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 61/61 places, 63/63 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 60 transition count 62
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 60 transition count 62
Applied a total of 2 rules in 8 ms. Remains 60 /61 variables (removed 1) and now considering 62/63 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 60/61 places, 62/63 transitions.
// Phase 1: matrix 62 rows 60 cols
[2023-03-18 21:57:13] [INFO ] Computed 4 place invariants in 1 ms
Incomplete random walk after 1000000 steps, including 223771 resets, run finished after 590 ms. (steps per millisecond=1694 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 1000000 steps, including 102542 resets, run finished after 379 ms. (steps per millisecond=2638 ) properties (out of 1) seen :0
[2023-03-18 21:57:14] [INFO ] Invariant cache hit.
[2023-03-18 21:57:14] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-18 21:57:14] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-18 21:57:14] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-18 21:57:14] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2023-03-18 21:57:14] [INFO ] Solution in real domain found non-integer solution.
[2023-03-18 21:57:15] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-18 21:57:15] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2023-03-18 21:57:15] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-18 21:57:15] [INFO ] [Nat]Absence check using state equation in 19 ms returned sat
[2023-03-18 21:57:15] [INFO ] State equation strengthened by 24 read => feed constraints.
[2023-03-18 21:57:15] [INFO ] [Nat]Added 24 Read/Feed constraints in 3 ms returned sat
[2023-03-18 21:57:15] [INFO ] Computed and/alt/rep : 16/30/16 causal constraints (skipped 45 transitions) in 5 ms.
[2023-03-18 21:57:15] [INFO ] Deduced a trap composed of 11 places in 48 ms of which 0 ms to minimize.
[2023-03-18 21:57:15] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 61 ms
[2023-03-18 21:57:15] [INFO ] Added : 15 causal constraints over 4 iterations in 93 ms. Result :sat
Minimization took 11 ms.
Current structural bounds on expressions (after SMT) : [41] Max seen :[0]
Support contains 1 out of 60 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 60/60 places, 62/62 transitions.
Applied a total of 0 rules in 5 ms. Remains 60 /60 variables (removed 0) and now considering 62/62 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 60/60 places, 62/62 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 60/60 places, 62/62 transitions.
Applied a total of 0 rules in 9 ms. Remains 60 /60 variables (removed 0) and now considering 62/62 (removed 0) transitions.
[2023-03-18 21:57:15] [INFO ] Invariant cache hit.
[2023-03-18 21:57:15] [INFO ] Implicit Places using invariants in 50 ms returned []
[2023-03-18 21:57:15] [INFO ] Invariant cache hit.
[2023-03-18 21:57:15] [INFO ] State equation strengthened by 24 read => feed constraints.
[2023-03-18 21:57:15] [INFO ] Implicit Places using invariants and state equation in 124 ms returned []
Implicit Place search using SMT with State Equation took 180 ms to find 0 implicit places.
[2023-03-18 21:57:15] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-18 21:57:15] [INFO ] Invariant cache hit.
[2023-03-18 21:57:15] [INFO ] Dead Transitions using invariants and state equation in 59 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 257 ms. Remains : 60/60 places, 62/62 transitions.
[2023-03-18 21:57:15] [INFO ] Invariant cache hit.
Incomplete random walk after 1000000 steps, including 223626 resets, run finished after 638 ms. (steps per millisecond=1567 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 1000000 steps, including 103295 resets, run finished after 299 ms. (steps per millisecond=3344 ) properties (out of 1) seen :0
[2023-03-18 21:57:16] [INFO ] Invariant cache hit.
[2023-03-18 21:57:16] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-18 21:57:16] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned unsat
Current structural bounds on expressions (after SMT) : [1] Max seen :[1]
FORMULA SieveSingleMsgMbox-PT-d0m04-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Ending property specific reduction for SieveSingleMsgMbox-PT-d0m04-UpperBounds-05 in 2825 ms.
Starting property specific reduction for SieveSingleMsgMbox-PT-d0m04-UpperBounds-06
// Phase 1: matrix 63 rows 61 cols
[2023-03-18 21:57:16] [INFO ] Computed 4 place invariants in 5 ms
Incomplete random walk after 10000 steps, including 2275 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 1037 resets, run finished after 6 ms. (steps per millisecond=1666 ) properties (out of 1) seen :0
[2023-03-18 21:57:16] [INFO ] Invariant cache hit.
[2023-03-18 21:57:16] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-18 21:57:16] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 4 ms returned sat
[2023-03-18 21:57:16] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-18 21:57:16] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2023-03-18 21:57:16] [INFO ] Solution in real domain found non-integer solution.
[2023-03-18 21:57:16] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-18 21:57:16] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2023-03-18 21:57:16] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-18 21:57:16] [INFO ] [Nat]Absence check using state equation in 19 ms returned sat
[2023-03-18 21:57:16] [INFO ] State equation strengthened by 25 read => feed constraints.
[2023-03-18 21:57:16] [INFO ] [Nat]Added 25 Read/Feed constraints in 4 ms returned sat
[2023-03-18 21:57:16] [INFO ] Computed and/alt/rep : 16/30/16 causal constraints (skipped 46 transitions) in 7 ms.
[2023-03-18 21:57:16] [INFO ] Deduced a trap composed of 12 places in 41 ms of which 1 ms to minimize.
[2023-03-18 21:57:16] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 48 ms
[2023-03-18 21:57:16] [INFO ] Added : 13 causal constraints over 4 iterations in 84 ms. Result :sat
Minimization took 10 ms.
Current structural bounds on expressions (after SMT) : [-1] Max seen :[0]
Support contains 1 out of 61 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 61/61 places, 63/63 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 59 transition count 61
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 59 transition count 61
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 58 transition count 60
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 58 transition count 60
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 58 transition count 59
Applied a total of 7 rules in 10 ms. Remains 58 /61 variables (removed 3) and now considering 59/63 (removed 4) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 58/61 places, 59/63 transitions.
// Phase 1: matrix 59 rows 58 cols
[2023-03-18 21:57:16] [INFO ] Computed 4 place invariants in 1 ms
Incomplete random walk after 1000000 steps, including 223773 resets, run finished after 721 ms. (steps per millisecond=1386 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 1000000 steps, including 102703 resets, run finished after 406 ms. (steps per millisecond=2463 ) properties (out of 1) seen :0
[2023-03-18 21:57:17] [INFO ] Invariant cache hit.
[2023-03-18 21:57:17] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2023-03-18 21:57:17] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-18 21:57:17] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-18 21:57:17] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2023-03-18 21:57:17] [INFO ] Solution in real domain found non-integer solution.
[2023-03-18 21:57:17] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-18 21:57:17] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2023-03-18 21:57:17] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-18 21:57:18] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2023-03-18 21:57:18] [INFO ] State equation strengthened by 23 read => feed constraints.
[2023-03-18 21:57:18] [INFO ] [Nat]Added 23 Read/Feed constraints in 8 ms returned sat
[2023-03-18 21:57:18] [INFO ] Computed and/alt/rep : 15/28/15 causal constraints (skipped 43 transitions) in 5 ms.
[2023-03-18 21:57:18] [INFO ] Added : 10 causal constraints over 2 iterations in 25 ms. Result :sat
Minimization took 13 ms.
Current structural bounds on expressions (after SMT) : [-1] Max seen :[0]
Support contains 1 out of 58 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 58/58 places, 59/59 transitions.
Applied a total of 0 rules in 5 ms. Remains 58 /58 variables (removed 0) and now considering 59/59 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 58/58 places, 59/59 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 58/58 places, 59/59 transitions.
Applied a total of 0 rules in 3 ms. Remains 58 /58 variables (removed 0) and now considering 59/59 (removed 0) transitions.
[2023-03-18 21:57:18] [INFO ] Invariant cache hit.
[2023-03-18 21:57:18] [INFO ] Implicit Places using invariants in 70 ms returned []
[2023-03-18 21:57:18] [INFO ] Invariant cache hit.
[2023-03-18 21:57:18] [INFO ] State equation strengthened by 23 read => feed constraints.
[2023-03-18 21:57:18] [INFO ] Implicit Places using invariants and state equation in 101 ms returned []
Implicit Place search using SMT with State Equation took 174 ms to find 0 implicit places.
[2023-03-18 21:57:18] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-18 21:57:18] [INFO ] Invariant cache hit.
[2023-03-18 21:57:18] [INFO ] Dead Transitions using invariants and state equation in 75 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 267 ms. Remains : 58/58 places, 59/59 transitions.
Ending property specific reduction for SieveSingleMsgMbox-PT-d0m04-UpperBounds-06 in 1892 ms.
[2023-03-18 21:57:18] [INFO ] Flatten gal took : 73 ms
[2023-03-18 21:57:18] [INFO ] Applying decomposition
[2023-03-18 21:57:18] [INFO ] Flatten gal took : 10 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202303021504/bin/convert-linux64' '-i' '/tmp/graph4901773425151052390.txt' '-o' '/tmp/graph4901773425151052390.bin' '-w' '/tmp/graph4901773425151052390.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202303021504/bin/louvain-linux64' '/tmp/graph4901773425151052390.bin' '-l' '-1' '-v' '-w' '/tmp/graph4901773425151052390.weights' '-q' '0' '-e' '0.001'
[2023-03-18 21:57:18] [INFO ] Decomposing Gal with order
[2023-03-18 21:57:18] [INFO ] Rewriting arrays to variables to allow decomposition.
[2023-03-18 21:57:18] [INFO ] Removed a total of 54 redundant transitions.
[2023-03-18 21:57:18] [INFO ] Flatten gal took : 45 ms
[2023-03-18 21:57:18] [INFO ] Fuse similar labels procedure discarded/fused a total of 37 labels/synchronizations in 8 ms.
[2023-03-18 21:57:18] [INFO ] Time to serialize gal into /tmp/UpperBounds5561666886395275253.gal : 3 ms
[2023-03-18 21:57:18] [INFO ] Time to serialize properties into /tmp/UpperBounds1695245828737212428.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/UpperBounds5561666886395275253.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds1695245828737212428.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...283
Loading property file /tmp/UpperBounds1695245828737212428.prop.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst\_mod\_flat,670,0.036668,4564,208,78,1505,241,218,2726,55,727,0
Total reachable state count : 670

Verifying 2 reachability properties.
Min sum of variable value : 0
Maximum sum along a path : 0
Bounds property SieveSingleMsgMbox-PT-d0m04-UpperBounds-04 :0 <= i5.u14.l204 <= 0
FORMULA SieveSingleMsgMbox-PT-d0m04-UpperBounds-04 0 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
SieveSingleMsgMbox-PT-d0m04-UpperBounds-04,0,0.038288,4564,1,0,1505,241,304,2726,67,727,357
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property SieveSingleMsgMbox-PT-d0m04-UpperBounds-06 :0 <= i5.u13.p21 <= 1
FORMULA SieveSingleMsgMbox-PT-d0m04-UpperBounds-06 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
SieveSingleMsgMbox-PT-d0m04-UpperBounds-06,0,0.038562,4564,1,0,1505,241,327,2726,75,727,456
ITS tools runner thread asked to quit. Dying gracefully.
Total runtime 14909 ms.

BK_STOP 1679176639162

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ 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//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="SieveSingleMsgMbox-PT-d0m04"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5348"
echo " Executing tool itstools"
echo " Input is SieveSingleMsgMbox-PT-d0m04, 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 r421-tajo-167905975100357"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SieveSingleMsgMbox-PT-d0m04.tgz
mv SieveSingleMsgMbox-PT-d0m04 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 ;