fond
Model Checking Contest 2023
13th edition, Paris, France, April 26, 2023 (at TOOLympics II)
Execution of r487-tall-167912703100477
Last Updated
May 14, 2023

About the Execution of LoLa+red for Szymanski-PT-b08

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
1838.487 74482.00 98600.00 481.30 1 0 0 0 0 1 1 0 0 0 1 1 1 0 1 1 normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2023-input.r487-tall-167912703100477.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5348
Executing tool lolaxred
Input is Szymanski-PT-b08, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r487-tall-167912703100477
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 4.0M
-rw-r--r-- 1 mcc users 7.3K Feb 26 16:54 CTLCardinality.txt
-rw-r--r-- 1 mcc users 81K Feb 26 16:54 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K Feb 26 16:53 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K Feb 26 16:53 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K Feb 25 17:19 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Feb 25 17:19 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Feb 25 17:19 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 25 17:19 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.3K Feb 26 16:57 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 70K Feb 26 16:57 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.0K Feb 26 16:56 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 66K Feb 26 16:56 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 17:19 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Feb 25 17:19 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 3.7M 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 Szymanski-PT-b08-UpperBounds-00
FORMULA_NAME Szymanski-PT-b08-UpperBounds-01
FORMULA_NAME Szymanski-PT-b08-UpperBounds-02
FORMULA_NAME Szymanski-PT-b08-UpperBounds-03
FORMULA_NAME Szymanski-PT-b08-UpperBounds-04
FORMULA_NAME Szymanski-PT-b08-UpperBounds-05
FORMULA_NAME Szymanski-PT-b08-UpperBounds-06
FORMULA_NAME Szymanski-PT-b08-UpperBounds-07
FORMULA_NAME Szymanski-PT-b08-UpperBounds-08
FORMULA_NAME Szymanski-PT-b08-UpperBounds-09
FORMULA_NAME Szymanski-PT-b08-UpperBounds-10
FORMULA_NAME Szymanski-PT-b08-UpperBounds-11
FORMULA_NAME Szymanski-PT-b08-UpperBounds-12
FORMULA_NAME Szymanski-PT-b08-UpperBounds-13
FORMULA_NAME Szymanski-PT-b08-UpperBounds-14
FORMULA_NAME Szymanski-PT-b08-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1679194764997

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=Szymanski-PT-b08
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-19 02:59:26] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2023-03-19 02:59:26] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-19 02:59:26] [INFO ] Load time of PNML (sax parser for PT used): 307 ms
[2023-03-19 02:59:26] [INFO ] Transformed 568 places.
[2023-03-19 02:59:26] [INFO ] Transformed 8320 transitions.
[2023-03-19 02:59:26] [INFO ] Parsed PT model containing 568 places and 8320 transitions and 33408 arcs in 550 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 5 ms.
Deduced a syphon composed of 260 places in 18 ms
Reduce places removed 260 places and 256 transitions.
FORMULA Szymanski-PT-b08-UpperBounds-01 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b08-UpperBounds-02 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b08-UpperBounds-03 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b08-UpperBounds-04 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b08-UpperBounds-07 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b08-UpperBounds-08 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b08-UpperBounds-09 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b08-UpperBounds-13 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Normalized transition count is 2733 out of 8064 initially.
// Phase 1: matrix 2733 rows 308 cols
[2023-03-19 02:59:27] [INFO ] Computed 3 place invariants in 70 ms
Incomplete random walk after 10007 steps, including 8 resets, run finished after 61 ms. (steps per millisecond=164 ) properties (out of 8) seen :3
FORMULA Szymanski-PT-b08-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Szymanski-PT-b08-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Szymanski-PT-b08-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 27 ms. (steps per millisecond=370 ) properties (out of 5) seen :1
FORMULA Szymanski-PT-b08-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10000 steps, including 3 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 4) seen :1
FORMULA Szymanski-PT-b08-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 3) seen :0
[2023-03-19 02:59:27] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
// Phase 1: matrix 2733 rows 308 cols
[2023-03-19 02:59:27] [INFO ] Computed 3 place invariants in 23 ms
[2023-03-19 02:59:27] [INFO ] [Real]Absence check using 2 positive place invariants in 6 ms returned sat
[2023-03-19 02:59:27] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-19 02:59:27] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-19 02:59:28] [INFO ] [Real]Absence check using state equation in 551 ms returned sat
[2023-03-19 02:59:28] [INFO ] Solution in real domain found non-integer solution.
[2023-03-19 02:59:28] [INFO ] [Nat]Absence check using 2 positive place invariants in 3 ms returned sat
[2023-03-19 02:59:28] [INFO ] [Nat]Absence check using 2 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-19 02:59:28] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-19 02:59:28] [INFO ] [Nat]Absence check using state equation in 544 ms returned sat
[2023-03-19 02:59:28] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 02:59:29] [INFO ] [Nat]Added 147 Read/Feed constraints in 931 ms returned sat
[2023-03-19 02:59:30] [INFO ] Deduced a trap composed of 137 places in 672 ms of which 4 ms to minimize.
[2023-03-19 02:59:31] [INFO ] Deduced a trap composed of 79 places in 575 ms of which 1 ms to minimize.
[2023-03-19 02:59:31] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1454 ms
[2023-03-19 02:59:31] [INFO ] Computed and/alt/rep : 9/11/9 causal constraints (skipped 2722 transitions) in 571 ms.
[2023-03-19 02:59:31] [INFO ] Added : 0 causal constraints over 0 iterations in 753 ms. Result :sat
Minimization took 681 ms.
[2023-03-19 02:59:32] [INFO ] [Real]Absence check using 2 positive place invariants in 4 ms returned sat
[2023-03-19 02:59:32] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 0 ms returned sat
[2023-03-19 02:59:32] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-19 02:59:33] [INFO ] [Real]Absence check using state equation in 387 ms returned sat
[2023-03-19 02:59:33] [INFO ] Solution in real domain found non-integer solution.
[2023-03-19 02:59:33] [INFO ] [Nat]Absence check using 2 positive place invariants in 3 ms returned sat
[2023-03-19 02:59:33] [INFO ] [Nat]Absence check using 2 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-19 02:59:33] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-19 02:59:33] [INFO ] [Nat]Absence check using state equation in 482 ms returned sat
[2023-03-19 02:59:34] [INFO ] [Nat]Added 147 Read/Feed constraints in 687 ms returned sat
[2023-03-19 02:59:35] [INFO ] Deduced a trap composed of 79 places in 588 ms of which 1 ms to minimize.
[2023-03-19 02:59:35] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 726 ms
[2023-03-19 02:59:35] [INFO ] Computed and/alt/rep : 9/11/9 causal constraints (skipped 2722 transitions) in 400 ms.
[2023-03-19 02:59:35] [INFO ] Added : 0 causal constraints over 0 iterations in 579 ms. Result :sat
Minimization took 615 ms.
[2023-03-19 02:59:36] [INFO ] [Real]Absence check using 2 positive place invariants in 4 ms returned sat
[2023-03-19 02:59:36] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 0 ms returned sat
[2023-03-19 02:59:36] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-19 02:59:36] [INFO ] [Real]Absence check using state equation in 399 ms returned sat
[2023-03-19 02:59:36] [INFO ] Solution in real domain found non-integer solution.
[2023-03-19 02:59:37] [INFO ] [Nat]Absence check using 2 positive place invariants in 4 ms returned sat
[2023-03-19 02:59:37] [INFO ] [Nat]Absence check using 2 positive and 1 generalized place invariants in 0 ms returned sat
[2023-03-19 02:59:37] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-19 02:59:37] [INFO ] [Nat]Absence check using state equation in 507 ms returned sat
[2023-03-19 02:59:38] [INFO ] [Nat]Added 147 Read/Feed constraints in 1319 ms returned sat
[2023-03-19 02:59:39] [INFO ] Deduced a trap composed of 46 places in 537 ms of which 2 ms to minimize.
[2023-03-19 02:59:39] [INFO ] Deduced a trap composed of 137 places in 489 ms of which 5 ms to minimize.
[2023-03-19 02:59:40] [INFO ] Deduced a trap composed of 133 places in 493 ms of which 1 ms to minimize.
[2023-03-19 02:59:40] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 1786 ms
[2023-03-19 02:59:41] [INFO ] Computed and/alt/rep : 9/11/9 causal constraints (skipped 2722 transitions) in 366 ms.
[2023-03-19 02:59:41] [INFO ] Added : 0 causal constraints over 0 iterations in 534 ms. Result :sat
Minimization took 800 ms.
Current structural bounds on expressions (after SMT) : [1, 1, 1] Max seen :[0, 0, 0]
FORMULA Szymanski-PT-b08-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Support contains 2 out of 308 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 308/308 places, 8064/8064 transitions.
Graph (complete) has 9195 edges and 308 vertex of which 306 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.15 ms
Discarding 2 places :
Also discarding 0 output transitions
Drop transitions removed 128 transitions
Reduce isomorphic transitions removed 128 transitions.
Iterating post reduction 0 with 128 rules applied. Total rules applied 129 place count 306 transition count 7936
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 130 place count 305 transition count 7808
Iterating global reduction 1 with 1 rules applied. Total rules applied 131 place count 305 transition count 7808
Applied a total of 131 rules in 440 ms. Remains 305 /308 variables (removed 3) and now considering 7808/8064 (removed 256) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 441 ms. Remains : 305/308 places, 7808/8064 transitions.
Normalized transition count is 2604 out of 7808 initially.
// Phase 1: matrix 2604 rows 305 cols
[2023-03-19 02:59:42] [INFO ] Computed 3 place invariants in 23 ms
Incomplete random walk after 1000001 steps, including 2 resets, run finished after 1068 ms. (steps per millisecond=936 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 880 ms. (steps per millisecond=1136 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 1000000 steps, including 2 resets, run finished after 826 ms. (steps per millisecond=1210 ) properties (out of 2) seen :0
[2023-03-19 02:59:45] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
// Phase 1: matrix 2604 rows 305 cols
[2023-03-19 02:59:45] [INFO ] Computed 3 place invariants in 24 ms
[2023-03-19 02:59:45] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2023-03-19 02:59:45] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-19 02:59:46] [INFO ] [Real]Absence check using state equation in 412 ms returned sat
[2023-03-19 02:59:46] [INFO ] Solution in real domain found non-integer solution.
[2023-03-19 02:59:46] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2023-03-19 02:59:46] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-19 02:59:46] [INFO ] [Nat]Absence check using state equation in 366 ms returned sat
[2023-03-19 02:59:46] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 02:59:48] [INFO ] [Nat]Added 147 Read/Feed constraints in 1744 ms returned sat
[2023-03-19 02:59:48] [INFO ] Deduced a trap composed of 50 places in 536 ms of which 1 ms to minimize.
[2023-03-19 02:59:49] [INFO ] Deduced a trap composed of 136 places in 536 ms of which 2 ms to minimize.
[2023-03-19 02:59:50] [INFO ] Deduced a trap composed of 140 places in 522 ms of which 1 ms to minimize.
[2023-03-19 02:59:50] [INFO ] Deduced a trap composed of 140 places in 525 ms of which 1 ms to minimize.
[2023-03-19 02:59:51] [INFO ] Deduced a trap composed of 142 places in 519 ms of which 0 ms to minimize.
[2023-03-19 02:59:51] [INFO ] Trap strengthening (SAT) tested/added 6/5 trap constraints in 3004 ms
[2023-03-19 02:59:51] [INFO ] Computed and/alt/rep : 9/11/9 causal constraints (skipped 2593 transitions) in 327 ms.
[2023-03-19 02:59:52] [INFO ] Added : 3 causal constraints over 2 iterations in 1054 ms. Result :sat
Minimization took 1050 ms.
[2023-03-19 02:59:53] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2023-03-19 02:59:53] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-19 02:59:53] [INFO ] [Real]Absence check using state equation in 370 ms returned sat
[2023-03-19 02:59:54] [INFO ] Solution in real domain found non-integer solution.
[2023-03-19 02:59:54] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2023-03-19 02:59:54] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-19 02:59:54] [INFO ] [Nat]Absence check using state equation in 419 ms returned sat
[2023-03-19 02:59:56] [INFO ] [Nat]Added 147 Read/Feed constraints in 1994 ms returned sat
[2023-03-19 02:59:57] [INFO ] Deduced a trap composed of 134 places in 518 ms of which 1 ms to minimize.
[2023-03-19 02:59:57] [INFO ] Deduced a trap composed of 135 places in 496 ms of which 1 ms to minimize.
[2023-03-19 02:59:58] [INFO ] Deduced a trap composed of 50 places in 490 ms of which 0 ms to minimize.
[2023-03-19 02:59:58] [INFO ] Deduced a trap composed of 133 places in 538 ms of which 0 ms to minimize.
[2023-03-19 02:59:59] [INFO ] Deduced a trap composed of 132 places in 486 ms of which 0 ms to minimize.
[2023-03-19 02:59:59] [INFO ] Deduced a trap composed of 130 places in 476 ms of which 1 ms to minimize.
[2023-03-19 03:00:00] [INFO ] Deduced a trap composed of 130 places in 466 ms of which 1 ms to minimize.
[2023-03-19 03:00:00] [INFO ] Deduced a trap composed of 78 places in 385 ms of which 1 ms to minimize.
[2023-03-19 03:00:00] [INFO ] Trap strengthening (SAT) tested/added 9/8 trap constraints in 4452 ms
[2023-03-19 03:00:01] [INFO ] Computed and/alt/rep : 9/11/9 causal constraints (skipped 2593 transitions) in 385 ms.
[2023-03-19 03:00:01] [INFO ] Added : 3 causal constraints over 2 iterations in 699 ms. Result :sat
Minimization took 1751 ms.
Current structural bounds on expressions (after SMT) : [1, 1] Max seen :[0, 0]
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7808/7808 transitions.
Applied a total of 0 rules in 251 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7808 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 252 ms. Remains : 305/305 places, 7808/7808 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7808/7808 transitions.
Applied a total of 0 rules in 308 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7808 (removed 0) transitions.
[2023-03-19 03:00:04] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2023-03-19 03:00:04] [INFO ] Invariant cache hit.
[2023-03-19 03:00:04] [INFO ] Implicit Places using invariants in 547 ms returned []
[2023-03-19 03:00:04] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2023-03-19 03:00:04] [INFO ] Invariant cache hit.
[2023-03-19 03:00:05] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 03:00:07] [INFO ] Implicit Places using invariants and state equation in 2560 ms returned []
Implicit Place search using SMT with State Equation took 3129 ms to find 0 implicit places.
[2023-03-19 03:00:08] [INFO ] Redundant transitions in 897 ms returned []
[2023-03-19 03:00:08] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2023-03-19 03:00:08] [INFO ] Invariant cache hit.
[2023-03-19 03:00:10] [INFO ] Dead Transitions using invariants and state equation in 2427 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6782 ms. Remains : 305/305 places, 7808/7808 transitions.
Starting property specific reduction for Szymanski-PT-b08-UpperBounds-00
Normalized transition count is 2604 out of 7808 initially.
// Phase 1: matrix 2604 rows 305 cols
[2023-03-19 03:00:10] [INFO ] Computed 3 place invariants in 31 ms
Incomplete random walk after 10002 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=909 ) properties (out of 1) seen :0
[2023-03-19 03:00:10] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
// Phase 1: matrix 2604 rows 305 cols
[2023-03-19 03:00:11] [INFO ] Computed 3 place invariants in 49 ms
[2023-03-19 03:00:11] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2023-03-19 03:00:11] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-19 03:00:11] [INFO ] [Real]Absence check using state equation in 412 ms returned sat
[2023-03-19 03:00:11] [INFO ] Solution in real domain found non-integer solution.
[2023-03-19 03:00:11] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2023-03-19 03:00:11] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-19 03:00:11] [INFO ] [Nat]Absence check using state equation in 356 ms returned sat
[2023-03-19 03:00:11] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 03:00:13] [INFO ] [Nat]Added 147 Read/Feed constraints in 1756 ms returned sat
[2023-03-19 03:00:14] [INFO ] Deduced a trap composed of 50 places in 489 ms of which 0 ms to minimize.
[2023-03-19 03:00:14] [INFO ] Deduced a trap composed of 136 places in 489 ms of which 1 ms to minimize.
[2023-03-19 03:00:15] [INFO ] Deduced a trap composed of 140 places in 502 ms of which 1 ms to minimize.
[2023-03-19 03:00:15] [INFO ] Deduced a trap composed of 140 places in 482 ms of which 0 ms to minimize.
[2023-03-19 03:00:16] [INFO ] Deduced a trap composed of 142 places in 490 ms of which 0 ms to minimize.
[2023-03-19 03:00:16] [INFO ] Trap strengthening (SAT) tested/added 6/5 trap constraints in 2783 ms
[2023-03-19 03:00:16] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Stream closed... while checking expression at index 0
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Stream closed...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithCausalOrder(DeadlockTester.java:999)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:923)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2620)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:186)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:733)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
Current structural bounds on expressions (after SMT) : [1] Max seen :[0]
Support contains 1 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7808/7808 transitions.
Applied a total of 0 rules in 237 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7808 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 238 ms. Remains : 305/305 places, 7808/7808 transitions.
Normalized transition count is 2604 out of 7808 initially.
// Phase 1: matrix 2604 rows 305 cols
[2023-03-19 03:00:16] [INFO ] Computed 3 place invariants in 14 ms
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 1215 ms. (steps per millisecond=823 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 764 ms. (steps per millisecond=1308 ) properties (out of 1) seen :0
[2023-03-19 03:00:18] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
// Phase 1: matrix 2604 rows 305 cols
[2023-03-19 03:00:18] [INFO ] Computed 3 place invariants in 19 ms
[2023-03-19 03:00:18] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2023-03-19 03:00:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-19 03:00:19] [INFO ] [Real]Absence check using state equation in 482 ms returned sat
[2023-03-19 03:00:19] [INFO ] Solution in real domain found non-integer solution.
[2023-03-19 03:00:19] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2023-03-19 03:00:19] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-19 03:00:19] [INFO ] [Nat]Absence check using state equation in 358 ms returned sat
[2023-03-19 03:00:19] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 03:00:21] [INFO ] [Nat]Added 147 Read/Feed constraints in 1803 ms returned sat
[2023-03-19 03:00:22] [INFO ] Deduced a trap composed of 50 places in 492 ms of which 1 ms to minimize.
[2023-03-19 03:00:22] [INFO ] Deduced a trap composed of 136 places in 491 ms of which 0 ms to minimize.
[2023-03-19 03:00:23] [INFO ] Deduced a trap composed of 140 places in 469 ms of which 1 ms to minimize.
[2023-03-19 03:00:23] [INFO ] Deduced a trap composed of 140 places in 520 ms of which 0 ms to minimize.
[2023-03-19 03:00:24] [INFO ] Deduced a trap composed of 142 places in 475 ms of which 0 ms to minimize.
[2023-03-19 03:00:24] [INFO ] Trap strengthening (SAT) tested/added 6/5 trap constraints in 2807 ms
[2023-03-19 03:00:24] [INFO ] Computed and/alt/rep : 9/11/9 causal constraints (skipped 2593 transitions) in 324 ms.
[2023-03-19 03:00:25] [INFO ] Added : 3 causal constraints over 2 iterations in 1012 ms. Result :sat
Minimization took 1007 ms.
Current structural bounds on expressions (after SMT) : [1] Max seen :[0]
Support contains 1 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7808/7808 transitions.
Applied a total of 0 rules in 181 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7808 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 181 ms. Remains : 305/305 places, 7808/7808 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7808/7808 transitions.
Applied a total of 0 rules in 178 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7808 (removed 0) transitions.
[2023-03-19 03:00:27] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2023-03-19 03:00:27] [INFO ] Invariant cache hit.
[2023-03-19 03:00:27] [INFO ] Implicit Places using invariants in 517 ms returned []
[2023-03-19 03:00:27] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2023-03-19 03:00:27] [INFO ] Invariant cache hit.
[2023-03-19 03:00:28] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 03:00:30] [INFO ] Implicit Places using invariants and state equation in 2806 ms returned []
Implicit Place search using SMT with State Equation took 3325 ms to find 0 implicit places.
[2023-03-19 03:00:31] [INFO ] Redundant transitions in 821 ms returned []
[2023-03-19 03:00:31] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2023-03-19 03:00:31] [INFO ] Invariant cache hit.
[2023-03-19 03:00:33] [INFO ] Dead Transitions using invariants and state equation in 2089 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6424 ms. Remains : 305/305 places, 7808/7808 transitions.
Ending property specific reduction for Szymanski-PT-b08-UpperBounds-00 in 22515 ms.
Starting property specific reduction for Szymanski-PT-b08-UpperBounds-15
Normalized transition count is 2604 out of 7808 initially.
// Phase 1: matrix 2604 rows 305 cols
[2023-03-19 03:00:33] [INFO ] Computed 3 place invariants in 17 ms
Incomplete random walk after 10006 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=526 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=1000 ) properties (out of 1) seen :1
FORMULA Szymanski-PT-b08-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Ending property specific reduction for Szymanski-PT-b08-UpperBounds-15 in 54 ms.
[2023-03-19 03:00:34] [INFO ] Flatten gal took : 467 ms
[2023-03-19 03:00:34] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/UpperBounds.sr.xml took 2 ms.
[2023-03-19 03:00:34] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 305 places, 7808 transitions and 31360 arcs took 32 ms.
Total runtime 67871 ms.
There are residual formulas that ITS could not solve within timeout
starting LoLA
BK_INPUT Szymanski-PT-b08
BK_EXAMINATION: UpperBounds
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution/370
Upper Bounds

FORMULA Szymanski-PT-b08-UpperBounds-00 1 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

BK_STOP 1679194839479

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -timeout 360 -rebuildPNML
lola: MEM LIMIT 32
lola: MEM LIMIT 5
lola: NET
lola: input: PNML file (--pnmlnet)
lola: reading net from /home/mcc/execution/370/model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/370/model.pnml
lola: Reading formula.
lola: Using XML format (--xmlformula)
lola: reading XML formula
lola: reading formula from /home/mcc/execution/370/UpperBounds.xml
lola: Rule S: 0 transitions removed,0 places removed
lola: LAUNCH task # 5 (type EXCL) for 0 Szymanski-PT-b08-UpperBounds-00
lola: time limit : 3596 sec
lola: memory limit: 32 pages
lola: LAUNCH task # 3 (type FNDP) for 0 Szymanski-PT-b08-UpperBounds-00
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 4 (type EQUN) for 0 Szymanski-PT-b08-UpperBounds-00
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: Structural Bound: 1
lola: REPORT NUM
lola: FINISHED task # 3 (type FNDP) for Szymanski-PT-b08-UpperBounds-00
lola: fired transitions : 30
lola: tried executions : 1
lola: time used : 0.000000
lola: CANCELED task # 4 (type EQUN) for Szymanski-PT-b08-UpperBounds-00 (obsolete)
lola: CANCELED task # 5 (type EXCL) for Szymanski-PT-b08-UpperBounds-00 (obsolete)
lola: Portfolio finished: no open formulas

FINAL RESULTS
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY
Szymanski-PT-b08-UpperBounds-00: BOUND 1 findpath


Time elapsed: 4 secs. Pages in use: 1

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="Szymanski-PT-b08"
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 Szymanski-PT-b08, 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 r487-tall-167912703100477"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Szymanski-PT-b08.tgz
mv Szymanski-PT-b08 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 ;