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.r039-tajo-167813692000045.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)
...................
=====================================================================
Generated by BenchKit 2-5348
Executing tool lolaxred
Input is BridgeAndVehicles-COL-V20P20N10, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r039-tajo-167813692000045
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 508K
-rw-r--r-- 1 mcc users 8.1K Feb 25 12:07 CTLCardinality.txt
-rw-r--r-- 1 mcc users 77K Feb 25 12:07 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K Feb 25 12:06 CTLFireability.txt
-rw-r--r-- 1 mcc users 43K Feb 25 12:06 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.8K Feb 25 15:35 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K Feb 25 15:35 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.9K Feb 25 15:35 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Feb 25 15:35 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Feb 25 12:16 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 110K Feb 25 12:16 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 14K Feb 25 12:14 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 104K Feb 25 12:14 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Feb 25 15:35 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Feb 25 15:35 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:22 equiv_pt
-rw-r--r-- 1 mcc users 10 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 5 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 39K 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 BridgeAndVehicles-COL-V20P20N10-UpperBounds-00
FORMULA_NAME BridgeAndVehicles-COL-V20P20N10-UpperBounds-01
FORMULA_NAME BridgeAndVehicles-COL-V20P20N10-UpperBounds-02
FORMULA_NAME BridgeAndVehicles-COL-V20P20N10-UpperBounds-03
FORMULA_NAME BridgeAndVehicles-COL-V20P20N10-UpperBounds-04
FORMULA_NAME BridgeAndVehicles-COL-V20P20N10-UpperBounds-05
FORMULA_NAME BridgeAndVehicles-COL-V20P20N10-UpperBounds-06
FORMULA_NAME BridgeAndVehicles-COL-V20P20N10-UpperBounds-07
FORMULA_NAME BridgeAndVehicles-COL-V20P20N10-UpperBounds-08
FORMULA_NAME BridgeAndVehicles-COL-V20P20N10-UpperBounds-09
FORMULA_NAME BridgeAndVehicles-COL-V20P20N10-UpperBounds-10
FORMULA_NAME BridgeAndVehicles-COL-V20P20N10-UpperBounds-11
FORMULA_NAME BridgeAndVehicles-COL-V20P20N10-UpperBounds-12
FORMULA_NAME BridgeAndVehicles-COL-V20P20N10-UpperBounds-13
FORMULA_NAME BridgeAndVehicles-COL-V20P20N10-UpperBounds-14
FORMULA_NAME BridgeAndVehicles-COL-V20P20N10-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1678478794533

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=BridgeAndVehicles-COL-V20P20N10
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-10 20:06:36] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2023-03-10 20:06:36] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-10 20:06:36] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2023-03-10 20:06:36] [WARNING] Using fallBack plugin, rng conformance not checked
[2023-03-10 20:06:36] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 404 ms
[2023-03-10 20:06:36] [INFO ] Imported 15 HL places and 11 HL transitions for a total of 68 PT places and 19578.0 transition bindings in 16 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 4 ms.
[2023-03-10 20:06:36] [INFO ] Built PT skeleton of HLPN with 15 places and 11 transitions 56 arcs in 3 ms.
[2023-03-10 20:06:36] [INFO ] Skeletonized 16 HLPN properties in 0 ms.
Reduce places removed 3 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce redundant transitions removed 1 transitions.
// Phase 1: matrix 10 rows 12 cols
[2023-03-10 20:06:36] [INFO ] Computed 4 place invariants in 3 ms
FORMULA BridgeAndVehicles-COL-V20P20N10-UpperBounds-15 20 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V20P20N10-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V20P20N10-UpperBounds-09 20 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V20P20N10-UpperBounds-04 20 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V20P20N10-UpperBounds-03 20 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V20P20N10-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V20P20N10-UpperBounds-01 20 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V20P20N10-UpperBounds-00 20 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
[2023-03-10 20:06:36] [INFO ] Invariant cache hit.
[2023-03-10 20:06:36] [INFO ] [Real]Absence check using 4 positive place invariants in 3 ms returned sat
[2023-03-10 20:06:36] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 20:06:36] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2023-03-10 20:06:36] [INFO ] Solution in real domain found non-integer solution.
[2023-03-10 20:06:36] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2023-03-10 20:06:36] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-10 20:06:36] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2023-03-10 20:06:36] [INFO ] Computed and/alt/rep : 6/9/6 causal constraints (skipped 0 transitions) in 2 ms.
[2023-03-10 20:06:36] [INFO ] Added : 2 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 15 ms.
[2023-03-10 20:06:37] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-10 20:06:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 20:06:37] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2023-03-10 20:06:37] [INFO ] Solution in real domain found non-integer solution.
[2023-03-10 20:06:37] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-10 20:06:37] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-10 20:06:37] [INFO ] [Nat]Absence check using state equation in 17 ms returned sat
[2023-03-10 20:06:37] [INFO ] Computed and/alt/rep : 6/9/6 causal constraints (skipped 0 transitions) in 1 ms.
[2023-03-10 20:06:37] [INFO ] Added : 4 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 5 ms.
[2023-03-10 20:06:37] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-10 20:06:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 20:06:37] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2023-03-10 20:06:37] [INFO ] Solution in real domain found non-integer solution.
[2023-03-10 20:06:37] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-10 20:06:37] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-10 20:06:37] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2023-03-10 20:06:37] [INFO ] Computed and/alt/rep : 6/9/6 causal constraints (skipped 0 transitions) in 1 ms.
[2023-03-10 20:06:37] [INFO ] Added : 4 causal constraints over 1 iterations in 12 ms. Result :sat
Minimization took 3 ms.
[2023-03-10 20:06:37] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-10 20:06:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 20:06:37] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2023-03-10 20:06:37] [INFO ] Solution in real domain found non-integer solution.
[2023-03-10 20:06:37] [INFO ] [Nat]Absence check using 4 positive place invariants in 4 ms returned sat
[2023-03-10 20:06:37] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-10 20:06:37] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2023-03-10 20:06:37] [INFO ] Computed and/alt/rep : 6/9/6 causal constraints (skipped 0 transitions) in 1 ms.
[2023-03-10 20:06:37] [INFO ] Added : 2 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 4 ms.
[2023-03-10 20:06:37] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-10 20:06:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 20:06:37] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2023-03-10 20:06:37] [INFO ] Solution in real domain found non-integer solution.
[2023-03-10 20:06:37] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-10 20:06:37] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-10 20:06:37] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2023-03-10 20:06:37] [INFO ] Computed and/alt/rep : 6/9/6 causal constraints (skipped 0 transitions) in 1 ms.
[2023-03-10 20:06:37] [INFO ] Added : 2 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 3 ms.
[2023-03-10 20:06:37] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-10 20:06:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 20:06:37] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2023-03-10 20:06:37] [INFO ] Solution in real domain found non-integer solution.
[2023-03-10 20:06:37] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-10 20:06:37] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-10 20:06:37] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2023-03-10 20:06:37] [INFO ] Computed and/alt/rep : 6/9/6 causal constraints (skipped 0 transitions) in 1 ms.
[2023-03-10 20:06:37] [INFO ] Added : 2 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 3 ms.
[2023-03-10 20:06:37] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-10 20:06:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 20:06:37] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2023-03-10 20:06:37] [INFO ] Computed and/alt/rep : 6/9/6 causal constraints (skipped 0 transitions) in 1 ms.
[2023-03-10 20:06:37] [INFO ] Added : 2 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 5 ms.
[2023-03-10 20:06:37] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-10 20:06:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 20:06:37] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2023-03-10 20:06:37] [INFO ] Computed and/alt/rep : 6/9/6 causal constraints (skipped 0 transitions) in 1 ms.
[2023-03-10 20:06:37] [INFO ] Added : 2 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 4 ms.
[2023-03-10 20:06:37] [INFO ] Solution in real domain found non-integer solution.
[2023-03-10 20:06:37] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-10 20:06:37] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-10 20:06:37] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2023-03-10 20:06:37] [INFO ] Computed and/alt/rep : 6/9/6 causal constraints (skipped 0 transitions) in 1 ms.
[2023-03-10 20:06:37] [INFO ] Added : 2 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 2 ms.
Current structural bounds on expressions (after SMT) : [20, 20, 20, 20, 20, 20, 20, 1]
Arc [1:1*[(MOD (ADD $cA 1) 21)]] contains successor/predecessor on variables of sort voitureA
Arc [6:1*[(MOD (ADD (MOD (MINUS $cB 1) 21) 21) 21)]] contains successor/predecessor on variables of sort voitureB
Arc [13:1*[(MOD (ADD $cpt 1) 11)]] contains successor/predecessor on variables of sort compteur
Arc [14:1*[(MOD (ADD $s 1) 2)]] contains successor/predecessor on variables of sort sens
[2023-03-10 20:06:37] [INFO ] Unfolded HLPN to a Petri net with 68 places and 548 transitions 4070 arcs in 41 ms.
[2023-03-10 20:06:37] [INFO ] Unfolded 8 HLPN properties in 0 ms.
Incomplete random walk after 10000 steps, including 56 resets, run finished after 91 ms. (steps per millisecond=109 ) properties (out of 8) seen :126
FORMULA BridgeAndVehicles-COL-V20P20N10-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-COL-V20P20N10-UpperBounds-12 20 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-COL-V20P20N10-UpperBounds-11 20 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-COL-V20P20N10-UpperBounds-08 20 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-COL-V20P20N10-UpperBounds-07 20 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-COL-V20P20N10-UpperBounds-06 20 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-COL-V20P20N10-UpperBounds-05 20 TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10000 steps, including 20 resets, run finished after 33 ms. (steps per millisecond=303 ) properties (out of 1) seen :10
[2023-03-10 20:06:37] [INFO ] Flow matrix only has 130 transitions (discarded 418 similar events)
// Phase 1: matrix 130 rows 68 cols
[2023-03-10 20:06:37] [INFO ] Computed 7 place invariants in 21 ms
[2023-03-10 20:06:37] [INFO ] [Real]Absence check using 7 positive place invariants in 4 ms returned sat
[2023-03-10 20:06:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 20:06:37] [INFO ] [Real]Absence check using state equation in 46 ms returned sat
[2023-03-10 20:06:37] [INFO ] Solution in real domain found non-integer solution.
[2023-03-10 20:06:37] [INFO ] [Nat]Absence check using 7 positive place invariants in 2 ms returned sat
[2023-03-10 20:06:37] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-10 20:06:37] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2023-03-10 20:06:37] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-10 20:06:37] [INFO ] [Nat]Added 22 Read/Feed constraints in 21 ms returned sat
[2023-03-10 20:06:37] [INFO ] Deduced a trap composed of 6 places in 111 ms of which 3 ms to minimize.
[2023-03-10 20:06:37] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 128 ms
[2023-03-10 20:06:38] [INFO ] Computed and/alt/rep : 50/98/50 causal constraints (skipped 77 transitions) in 60 ms.
[2023-03-10 20:06:38] [INFO ] Added : 10 causal constraints over 2 iterations in 132 ms. Result :sat
Minimization took 31 ms.
Current structural bounds on expressions (after SMT) : [20] Max seen :[10]
Support contains 1 out of 68 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 68/68 places, 548/548 transitions.
Graph (complete) has 562 edges and 68 vertex of which 66 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.4 ms
Discarding 2 places :
Also discarding 0 output transitions
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 3 place count 65 transition count 547
Applied a total of 3 rules in 92 ms. Remains 65 /68 variables (removed 3) and now considering 547/548 (removed 1) transitions.
[2023-03-10 20:06:38] [INFO ] Flow matrix only has 129 transitions (discarded 418 similar events)
// Phase 1: matrix 129 rows 65 cols
[2023-03-10 20:06:38] [INFO ] Computed 5 place invariants in 3 ms
[2023-03-10 20:06:38] [INFO ] Dead Transitions using invariants and state equation in 437 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 530 ms. Remains : 65/68 places, 547/548 transitions.
Normalized transition count is 129 out of 547 initially.
// Phase 1: matrix 129 rows 65 cols
[2023-03-10 20:06:38] [INFO ] Computed 5 place invariants in 1 ms
Incomplete random walk after 1000000 steps, including 6491 resets, run finished after 2911 ms. (steps per millisecond=343 ) properties (out of 1) seen :9
Incomplete Best-First random walk after 1000001 steps, including 2547 resets, run finished after 1069 ms. (steps per millisecond=935 ) properties (out of 1) seen :10
[2023-03-10 20:06:42] [INFO ] Flow matrix only has 129 transitions (discarded 418 similar events)
// Phase 1: matrix 129 rows 65 cols
[2023-03-10 20:06:42] [INFO ] Computed 5 place invariants in 5 ms
[2023-03-10 20:06:42] [INFO ] [Real]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-10 20:06:42] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 20:06:42] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2023-03-10 20:06:42] [INFO ] Solution in real domain found non-integer solution.
[2023-03-10 20:06:42] [INFO ] [Nat]Absence check using 5 positive place invariants in 1 ms returned sat
[2023-03-10 20:06:42] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-10 20:06:42] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2023-03-10 20:06:42] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-10 20:06:42] [INFO ] [Nat]Added 22 Read/Feed constraints in 11 ms returned sat
[2023-03-10 20:06:42] [INFO ] Computed and/alt/rep : 50/98/50 causal constraints (skipped 76 transitions) in 24 ms.
[2023-03-10 20:06:43] [INFO ] Added : 10 causal constraints over 2 iterations in 61 ms. Result :sat
Minimization took 51 ms.
Current structural bounds on expressions (after SMT) : [20] Max seen :[10]
Support contains 1 out of 65 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 65/65 places, 547/547 transitions.
Applied a total of 0 rules in 33 ms. Remains 65 /65 variables (removed 0) and now considering 547/547 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33 ms. Remains : 65/65 places, 547/547 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 65/65 places, 547/547 transitions.
Applied a total of 0 rules in 58 ms. Remains 65 /65 variables (removed 0) and now considering 547/547 (removed 0) transitions.
[2023-03-10 20:06:43] [INFO ] Flow matrix only has 129 transitions (discarded 418 similar events)
[2023-03-10 20:06:43] [INFO ] Invariant cache hit.
[2023-03-10 20:06:43] [INFO ] Implicit Places using invariants in 129 ms returned []
[2023-03-10 20:06:43] [INFO ] Flow matrix only has 129 transitions (discarded 418 similar events)
[2023-03-10 20:06:43] [INFO ] Invariant cache hit.
[2023-03-10 20:06:43] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-10 20:06:43] [INFO ] Implicit Places using invariants and state equation in 312 ms returned [23, 46]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 454 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 63/65 places, 547/547 transitions.
Applied a total of 0 rules in 38 ms. Remains 63 /63 variables (removed 0) and now considering 547/547 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 551 ms. Remains : 63/65 places, 547/547 transitions.
Normalized transition count is 129 out of 547 initially.
// Phase 1: matrix 129 rows 63 cols
[2023-03-10 20:06:43] [INFO ] Computed 5 place invariants in 1 ms
Incomplete random walk after 1000000 steps, including 6491 resets, run finished after 2470 ms. (steps per millisecond=404 ) properties (out of 1) seen :8
Incomplete Best-First random walk after 1000001 steps, including 2549 resets, run finished after 930 ms. (steps per millisecond=1075 ) properties (out of 1) seen :10
[2023-03-10 20:06:47] [INFO ] Flow matrix only has 129 transitions (discarded 418 similar events)
// Phase 1: matrix 129 rows 63 cols
[2023-03-10 20:06:47] [INFO ] Computed 5 place invariants in 3 ms
[2023-03-10 20:06:47] [INFO ] [Real]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-10 20:06:47] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 20:06:47] [INFO ] [Real]Absence check using state equation in 35 ms returned sat
[2023-03-10 20:06:47] [INFO ] Solution in real domain found non-integer solution.
[2023-03-10 20:06:47] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2023-03-10 20:06:47] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-10 20:06:47] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2023-03-10 20:06:47] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-10 20:06:47] [INFO ] [Nat]Added 22 Read/Feed constraints in 6 ms returned sat
[2023-03-10 20:06:47] [INFO ] Computed and/alt/rep : 50/98/50 causal constraints (skipped 76 transitions) in 22 ms.
[2023-03-10 20:06:47] [INFO ] Added : 11 causal constraints over 3 iterations in 61 ms. Result :sat
Minimization took 44 ms.
Current structural bounds on expressions (after SMT) : [20] Max seen :[10]
Support contains 1 out of 63 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 63/63 places, 547/547 transitions.
Applied a total of 0 rules in 19 ms. Remains 63 /63 variables (removed 0) and now considering 547/547 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 20 ms. Remains : 63/63 places, 547/547 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 63/63 places, 547/547 transitions.
Applied a total of 0 rules in 18 ms. Remains 63 /63 variables (removed 0) and now considering 547/547 (removed 0) transitions.
[2023-03-10 20:06:47] [INFO ] Flow matrix only has 129 transitions (discarded 418 similar events)
[2023-03-10 20:06:47] [INFO ] Invariant cache hit.
[2023-03-10 20:06:47] [INFO ] Implicit Places using invariants in 132 ms returned []
[2023-03-10 20:06:47] [INFO ] Flow matrix only has 129 transitions (discarded 418 similar events)
[2023-03-10 20:06:47] [INFO ] Invariant cache hit.
[2023-03-10 20:06:47] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-10 20:06:47] [INFO ] Implicit Places using invariants and state equation in 217 ms returned []
Implicit Place search using SMT with State Equation took 351 ms to find 0 implicit places.
[2023-03-10 20:06:47] [INFO ] Redundant transitions in 23 ms returned []
[2023-03-10 20:06:47] [INFO ] Flow matrix only has 129 transitions (discarded 418 similar events)
[2023-03-10 20:06:47] [INFO ] Invariant cache hit.
[2023-03-10 20:06:48] [INFO ] Dead Transitions using invariants and state equation in 200 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 604 ms. Remains : 63/63 places, 547/547 transitions.
Starting property specific reduction for BridgeAndVehicles-COL-V20P20N10-UpperBounds-10
Normalized transition count is 129 out of 547 initially.
// Phase 1: matrix 129 rows 63 cols
[2023-03-10 20:06:48] [INFO ] Computed 5 place invariants in 1 ms
Incomplete random walk after 10001 steps, including 64 resets, run finished after 25 ms. (steps per millisecond=400 ) properties (out of 1) seen :5
Incomplete Best-First random walk after 10001 steps, including 25 resets, run finished after 9 ms. (steps per millisecond=1111 ) properties (out of 1) seen :10
[2023-03-10 20:06:48] [INFO ] Flow matrix only has 129 transitions (discarded 418 similar events)
// Phase 1: matrix 129 rows 63 cols
[2023-03-10 20:06:48] [INFO ] Computed 5 place invariants in 1 ms
[2023-03-10 20:06:48] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2023-03-10 20:06:48] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 20:06:48] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2023-03-10 20:06:48] [INFO ] Solution in real domain found non-integer solution.
[2023-03-10 20:06:48] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2023-03-10 20:06:48] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-10 20:06:48] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2023-03-10 20:06:48] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-10 20:06:48] [INFO ] [Nat]Added 22 Read/Feed constraints in 6 ms returned sat
[2023-03-10 20:06:48] [INFO ] Computed and/alt/rep : 50/98/50 causal constraints (skipped 76 transitions) in 15 ms.
[2023-03-10 20:06:48] [INFO ] Added : 11 causal constraints over 3 iterations in 63 ms. Result :sat
Minimization took 29 ms.
Current structural bounds on expressions (after SMT) : [20] Max seen :[10]
Support contains 1 out of 63 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 63/63 places, 547/547 transitions.
Applied a total of 0 rules in 17 ms. Remains 63 /63 variables (removed 0) and now considering 547/547 (removed 0) transitions.
[2023-03-10 20:06:48] [INFO ] Flow matrix only has 129 transitions (discarded 418 similar events)
[2023-03-10 20:06:48] [INFO ] Invariant cache hit.
[2023-03-10 20:06:48] [INFO ] Dead Transitions using invariants and state equation in 247 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 267 ms. Remains : 63/63 places, 547/547 transitions.
Normalized transition count is 129 out of 547 initially.
// Phase 1: matrix 129 rows 63 cols
[2023-03-10 20:06:48] [INFO ] Computed 5 place invariants in 1 ms
Incomplete random walk after 1000000 steps, including 6488 resets, run finished after 2490 ms. (steps per millisecond=401 ) properties (out of 1) seen :10
Incomplete Best-First random walk after 1000000 steps, including 2549 resets, run finished after 974 ms. (steps per millisecond=1026 ) properties (out of 1) seen :10
[2023-03-10 20:06:52] [INFO ] Flow matrix only has 129 transitions (discarded 418 similar events)
// Phase 1: matrix 129 rows 63 cols
[2023-03-10 20:06:52] [INFO ] Computed 5 place invariants in 2 ms
[2023-03-10 20:06:52] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2023-03-10 20:06:52] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 20:06:52] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2023-03-10 20:06:52] [INFO ] Solution in real domain found non-integer solution.
[2023-03-10 20:06:52] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2023-03-10 20:06:52] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-10 20:06:52] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2023-03-10 20:06:52] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-10 20:06:52] [INFO ] [Nat]Added 22 Read/Feed constraints in 14 ms returned sat
[2023-03-10 20:06:52] [INFO ] Computed and/alt/rep : 50/98/50 causal constraints (skipped 76 transitions) in 14 ms.
[2023-03-10 20:06:52] [INFO ] Added : 11 causal constraints over 3 iterations in 65 ms. Result :sat
Minimization took 34 ms.
Current structural bounds on expressions (after SMT) : [20] Max seen :[10]
Support contains 1 out of 63 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 63/63 places, 547/547 transitions.
Applied a total of 0 rules in 21 ms. Remains 63 /63 variables (removed 0) and now considering 547/547 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 22 ms. Remains : 63/63 places, 547/547 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 63/63 places, 547/547 transitions.
Applied a total of 0 rules in 16 ms. Remains 63 /63 variables (removed 0) and now considering 547/547 (removed 0) transitions.
[2023-03-10 20:06:52] [INFO ] Flow matrix only has 129 transitions (discarded 418 similar events)
[2023-03-10 20:06:52] [INFO ] Invariant cache hit.
[2023-03-10 20:06:52] [INFO ] Implicit Places using invariants in 153 ms returned []
[2023-03-10 20:06:52] [INFO ] Flow matrix only has 129 transitions (discarded 418 similar events)
[2023-03-10 20:06:52] [INFO ] Invariant cache hit.
[2023-03-10 20:06:52] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-10 20:06:53] [INFO ] Implicit Places using invariants and state equation in 208 ms returned []
Implicit Place search using SMT with State Equation took 363 ms to find 0 implicit places.
[2023-03-10 20:06:53] [INFO ] Redundant transitions in 5 ms returned []
[2023-03-10 20:06:53] [INFO ] Flow matrix only has 129 transitions (discarded 418 similar events)
[2023-03-10 20:06:53] [INFO ] Invariant cache hit.
[2023-03-10 20:06:53] [INFO ] Dead Transitions using invariants and state equation in 220 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 623 ms. Remains : 63/63 places, 547/547 transitions.
Ending property specific reduction for BridgeAndVehicles-COL-V20P20N10-UpperBounds-10 in 5115 ms.
[2023-03-10 20:06:53] [INFO ] Flatten gal took : 94 ms
[2023-03-10 20:06:53] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/UpperBounds.sr.xml took 2 ms.
[2023-03-10 20:06:53] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 63 places, 547 transitions and 3984 arcs took 6 ms.
Total runtime 17214 ms.
There are residual formulas that ITS could not solve within timeout
starting LoLA
BK_INPUT BridgeAndVehicles-COL-V20P20N10
BK_EXAMINATION: UpperBounds
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution/377
Upper Bounds

FORMULA BridgeAndVehicles-COL-V20P20N10-UpperBounds-10 10 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

BK_STOP 1678478852325

--------------------
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/377/model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/377/model.pnml
lola: Reading formula.
lola: Using XML format (--xmlformula)
lola: reading XML formula
lola: reading formula from /home/mcc/execution/377/UpperBounds.xml
lola: Rule S: 0 transitions removed,0 places removed
lola: LAUNCH task # 5 (type EXCL) for 0 BridgeAndVehicles-COL-V20P20N10-UpperBounds-10
lola: time limit : 3600 sec
lola: memory limit: 32 pages
lola: LAUNCH task # 3 (type FNDP) for 0 BridgeAndVehicles-COL-V20P20N10-UpperBounds-10
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 4 (type EQUN) for 0 BridgeAndVehicles-COL-V20P20N10-UpperBounds-10
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: Structural Bound: 20
sara: try reading problem file /home/mcc/execution/377/UpperBounds-4.sara.
sara: place or transition ordering is non-deterministic
sara: warning, failure of lp_solve (at job 15)
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY

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BridgeAndVehicles-COL-V20P20N10-UpperBounds-10: BOUND 0 0 3 0 1 0 0 0

TASK CATEGORY TYPE TIME/TLIMIT MEM PG/PGLIMIT FORMULA STATUS
3 BOUND FNDP 5/3600 0/5 BridgeAndVehicles-COL-V20P20N10-UpperBounds-10 532480 t fired, 3623 attempts, .
4 BOUND STEQ 5/3600 0/5 BridgeAndVehicles-COL-V20P20N10-UpperBounds-10 --
5 BOUND EXCL 5/3600 2/32 BridgeAndVehicles-COL-V20P20N10-UpperBounds-10 461834 m, 92366 m/sec, 1175609 t fired, result in [10,20] .

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TASK CATEGORY TYPE TIME/TLIMIT MEM PG/PGLIMIT FORMULA STATUS
3 BOUND FNDP 10/3600 0/5 BridgeAndVehicles-COL-V20P20N10-UpperBounds-10 1105251 t fired, 7422 attempts, .
4 BOUND STEQ 10/3600 0/5 BridgeAndVehicles-COL-V20P20N10-UpperBounds-10 --
5 BOUND EXCL 10/3600 4/32 BridgeAndVehicles-COL-V20P20N10-UpperBounds-10 933899 m, 94413 m/sec, 2499071 t fired, result in [10,20] .

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TASK CATEGORY TYPE TIME/TLIMIT MEM PG/PGLIMIT FORMULA STATUS
3 BOUND FNDP 15/3600 0/5 BridgeAndVehicles-COL-V20P20N10-UpperBounds-10 1687368 t fired, 11282 attempts, .
4 BOUND STEQ 15/3600 0/5 BridgeAndVehicles-COL-V20P20N10-UpperBounds-10 --
5 BOUND EXCL 15/3600 5/32 BridgeAndVehicles-COL-V20P20N10-UpperBounds-10 1395044 m, 92229 m/sec, 3827535 t fired, result in [10,20] .

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TASK CATEGORY TYPE TIME/TLIMIT MEM PG/PGLIMIT FORMULA STATUS
3 BOUND FNDP 20/3600 0/5 BridgeAndVehicles-COL-V20P20N10-UpperBounds-10 2261989 t fired, 15091 attempts, .
4 BOUND STEQ 20/3600 0/5 BridgeAndVehicles-COL-V20P20N10-UpperBounds-10 --
5 BOUND EXCL 20/3600 7/32 BridgeAndVehicles-COL-V20P20N10-UpperBounds-10 1863833 m, 93757 m/sec, 5130110 t fired, result in [10,20] .

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TASK CATEGORY TYPE TIME/TLIMIT MEM PG/PGLIMIT FORMULA STATUS
3 BOUND FNDP 25/3600 0/5 BridgeAndVehicles-COL-V20P20N10-UpperBounds-10 2863998 t fired, 19075 attempts, .
4 BOUND STEQ 25/3600 0/5 BridgeAndVehicles-COL-V20P20N10-UpperBounds-10 --
5 BOUND EXCL 25/3600 9/32 BridgeAndVehicles-COL-V20P20N10-UpperBounds-10 2360880 m, 99409 m/sec, 6580058 t fired, result in [10,20] .

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TASK CATEGORY TYPE TIME/TLIMIT MEM PG/PGLIMIT FORMULA STATUS
3 BOUND FNDP 30/3600 0/5 BridgeAndVehicles-COL-V20P20N10-UpperBounds-10 3463089 t fired, 23038 attempts, .
4 BOUND STEQ 30/3600 0/5 BridgeAndVehicles-COL-V20P20N10-UpperBounds-10 --
5 BOUND EXCL 30/3600 10/32 BridgeAndVehicles-COL-V20P20N10-UpperBounds-10 2866791 m, 101182 m/sec, 7995264 t fired, result in [10,20] .

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TASK CATEGORY TYPE TIME/TLIMIT MEM PG/PGLIMIT FORMULA STATUS
3 BOUND FNDP 35/3600 0/5 BridgeAndVehicles-COL-V20P20N10-UpperBounds-10 4066186 t fired, 27022 attempts, .
4 BOUND STEQ 35/3600 0/5 BridgeAndVehicles-COL-V20P20N10-UpperBounds-10 --
5 BOUND EXCL 35/3600 12/32 BridgeAndVehicles-COL-V20P20N10-UpperBounds-10 3374869 m, 101615 m/sec, 9432535 t fired, result in [10,20] .

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lola: REPORT NUM
lola: FINISHED task # 5 (type EXCL) for BridgeAndVehicles-COL-V20P20N10-UpperBounds-10
lola: markings : 3742392
lola: fired transitions : 10488716
lola: time used : 39.000000
lola: memory pages used : 13
lola: CANCELED task # 3 (type FNDP) for BridgeAndVehicles-COL-V20P20N10-UpperBounds-10 (obsolete)
lola: CANCELED task # 4 (type EQUN) for BridgeAndVehicles-COL-V20P20N10-UpperBounds-10 (obsolete)
lola: Portfolio finished: no open formulas

FINAL RESULTS
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY
BridgeAndVehicles-COL-V20P20N10-UpperBounds-10: BOUND 10 state space


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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="BridgeAndVehicles-COL-V20P20N10"
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 BridgeAndVehicles-COL-V20P20N10, 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 r039-tajo-167813692000045"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BridgeAndVehicles-COL-V20P20N10.tgz
mv BridgeAndVehicles-COL-V20P20N10 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 ;