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Model Checking Contest 2023
13th edition, Paris, France, April 26, 2023 (at TOOLympics II)
Execution of r041-tajo-167813694700413
Last Updated
May 14, 2023

About the Execution of LTSMin+red for BugTracking-PT-q8m016

Execution Summary
Max Memory
Used (MB)		 Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
16179.451 3600000.00 14080353.00 704.70 0 0 0 1 0 0 0 0 0 0 1 ? ? ? 0 0 normal

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.r041-tajo-167813694700413.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 ltsminxred
Input is BugTracking-PT-q8m016, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r041-tajo-167813694700413
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 16M
-rw-r--r-- 1 mcc users 8.8K Feb 26 08:13 CTLCardinality.txt
-rw-r--r-- 1 mcc users 80K Feb 26 08:13 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K Feb 26 07:52 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K Feb 26 07:52 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.3K Feb 25 15:37 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Feb 25 15:37 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 15:38 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 25 15:38 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Feb 26 08:45 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 119K Feb 26 08:45 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Feb 26 08:29 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 102K Feb 26 08:29 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Feb 25 15:38 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Feb 25 15:38 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 7 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 16M 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 BugTracking-PT-q8m016-UpperBounds-00
FORMULA_NAME BugTracking-PT-q8m016-UpperBounds-01
FORMULA_NAME BugTracking-PT-q8m016-UpperBounds-02
FORMULA_NAME BugTracking-PT-q8m016-UpperBounds-03
FORMULA_NAME BugTracking-PT-q8m016-UpperBounds-04
FORMULA_NAME BugTracking-PT-q8m016-UpperBounds-05
FORMULA_NAME BugTracking-PT-q8m016-UpperBounds-06
FORMULA_NAME BugTracking-PT-q8m016-UpperBounds-07
FORMULA_NAME BugTracking-PT-q8m016-UpperBounds-08
FORMULA_NAME BugTracking-PT-q8m016-UpperBounds-09
FORMULA_NAME BugTracking-PT-q8m016-UpperBounds-10
FORMULA_NAME BugTracking-PT-q8m016-UpperBounds-11
FORMULA_NAME BugTracking-PT-q8m016-UpperBounds-12
FORMULA_NAME BugTracking-PT-q8m016-UpperBounds-13
FORMULA_NAME BugTracking-PT-q8m016-UpperBounds-14
FORMULA_NAME BugTracking-PT-q8m016-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1678635149687

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=BugTracking-PT-q8m016
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-12 15:32:31] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2023-03-12 15:32:31] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-12 15:32:32] [INFO ] Load time of PNML (sax parser for PT used): 689 ms
[2023-03-12 15:32:32] [INFO ] Transformed 754 places.
[2023-03-12 15:32:32] [INFO ] Transformed 27370 transitions.
[2023-03-12 15:32:32] [INFO ] Parsed PT model containing 754 places and 27370 transitions and 136172 arcs in 862 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 6 ms.
Deduced a syphon composed of 474 places in 108 ms
Reduce places removed 474 places and 23466 transitions.
FORMULA BugTracking-PT-q8m016-UpperBounds-00 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m016-UpperBounds-01 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m016-UpperBounds-02 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m016-UpperBounds-04 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m016-UpperBounds-05 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m016-UpperBounds-06 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m016-UpperBounds-07 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m016-UpperBounds-08 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m016-UpperBounds-09 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m016-UpperBounds-14 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m016-UpperBounds-15 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Normalized transition count is 3729 out of 3904 initially.
// Phase 1: matrix 3729 rows 280 cols
[2023-03-12 15:32:32] [INFO ] Computed 10 place invariants in 57 ms
Incomplete random walk after 10000 steps, including 39 resets, run finished after 111 ms. (steps per millisecond=90 ) properties (out of 5) seen :13
FORMULA BugTracking-PT-q8m016-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BugTracking-PT-q8m016-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 6 resets, run finished after 26 ms. (steps per millisecond=384 ) properties (out of 3) seen :2
Incomplete Best-First random walk after 10001 steps, including 8 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 3) seen :5
Incomplete Best-First random walk after 10001 steps, including 7 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 3) seen :8
[2023-03-12 15:32:32] [INFO ] Flow matrix only has 3729 transitions (discarded 175 similar events)
// Phase 1: matrix 3729 rows 280 cols
[2023-03-12 15:32:32] [INFO ] Computed 10 place invariants in 23 ms
[2023-03-12 15:32:33] [INFO ] [Real]Absence check using 10 positive place invariants in 6 ms returned sat
[2023-03-12 15:32:33] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-12 15:32:33] [INFO ] [Real]Absence check using state equation in 609 ms returned sat
[2023-03-12 15:32:33] [INFO ] Solution in real domain found non-integer solution.
[2023-03-12 15:32:33] [INFO ] [Nat]Absence check using 10 positive place invariants in 4 ms returned sat
[2023-03-12 15:32:33] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-12 15:32:34] [INFO ] [Nat]Absence check using state equation in 510 ms returned sat
[2023-03-12 15:32:34] [INFO ] State equation strengthened by 303 read => feed constraints.
[2023-03-12 15:32:34] [INFO ] [Nat]Added 303 Read/Feed constraints in 69 ms returned sat
[2023-03-12 15:32:34] [INFO ] Computed and/alt/rep : 471/1801/471 causal constraints (skipped 3256 transitions) in 323 ms.
[2023-03-12 15:32:36] [INFO ] Deduced a trap composed of 64 places in 354 ms of which 24 ms to minimize.
[2023-03-12 15:32:36] [INFO ] Deduced a trap composed of 62 places in 347 ms of which 2 ms to minimize.
[2023-03-12 15:32:36] [INFO ] Deduced a trap composed of 61 places in 340 ms of which 1 ms to minimize.
[2023-03-12 15:32:37] [INFO ] Deduced a trap composed of 38 places in 308 ms of which 2 ms to minimize.
[2023-03-12 15:32:37] [INFO ] Deduced a trap composed of 38 places in 286 ms of which 0 ms to minimize.
[2023-03-12 15:32:38] [INFO ] Deduced a trap composed of 48 places in 254 ms of which 0 ms to minimize.
[2023-03-12 15:32:38] [INFO ] Deduced a trap composed of 66 places in 303 ms of which 1 ms to minimize.
[2023-03-12 15:32:38] [INFO ] Deduced a trap composed of 61 places in 238 ms of which 1 ms to minimize.
[2023-03-12 15:32:38] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 0
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithTraps(DeadlockTester.java:1255)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithCausalOrder(DeadlockTester.java:1177)
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:714)
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)
[2023-03-12 15:32:39] [INFO ] [Real]Absence check using 10 positive place invariants in 3 ms returned sat
[2023-03-12 15:32:39] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-12 15:32:39] [INFO ] [Real]Absence check using state equation in 460 ms returned sat
[2023-03-12 15:32:39] [INFO ] Solution in real domain found non-integer solution.
[2023-03-12 15:32:39] [INFO ] [Nat]Absence check using 10 positive place invariants in 4 ms returned sat
[2023-03-12 15:32:39] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-12 15:32:40] [INFO ] [Nat]Absence check using state equation in 449 ms returned sat
[2023-03-12 15:32:40] [INFO ] [Nat]Added 303 Read/Feed constraints in 220 ms returned sat
[2023-03-12 15:32:40] [INFO ] Deduced a trap composed of 19 places in 240 ms of which 0 ms to minimize.
[2023-03-12 15:32:40] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 416 ms
[2023-03-12 15:32:41] [INFO ] Computed and/alt/rep : 471/1801/471 causal constraints (skipped 3256 transitions) in 471 ms.
[2023-03-12 15:32:41] [INFO ] Added : 8 causal constraints over 2 iterations in 997 ms. Result :sat
[2023-03-12 15:32:41] [INFO ] [Real]Absence check using 10 positive place invariants in 3 ms returned sat
[2023-03-12 15:32:41] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-12 15:32:42] [INFO ] [Real]Absence check using state equation in 504 ms returned sat
[2023-03-12 15:32:42] [INFO ] [Real]Added 303 Read/Feed constraints in 55 ms returned sat
[2023-03-12 15:32:42] [INFO ] Solution in real domain found non-integer solution.
[2023-03-12 15:32:42] [INFO ] [Nat]Absence check using 10 positive place invariants in 3 ms returned sat
[2023-03-12 15:32:42] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-12 15:32:43] [INFO ] [Nat]Absence check using state equation in 484 ms returned sat
[2023-03-12 15:32:43] [INFO ] [Nat]Added 303 Read/Feed constraints in 81 ms returned sat
[2023-03-12 15:32:43] [INFO ] Deduced a trap composed of 78 places in 470 ms of which 0 ms to minimize.
[2023-03-12 15:32:43] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 654 ms
[2023-03-12 15:32:44] [INFO ] Computed and/alt/rep : 471/1801/471 causal constraints (skipped 3256 transitions) in 297 ms.
[2023-03-12 15:32:44] [INFO ] Added : 2 causal constraints over 1 iterations in 718 ms. Result :sat
Current structural bounds on expressions (after SMT) : [-1, -1, 16] Max seen :[0, 0, 11]
Support contains 3 out of 280 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 280/280 places, 3904/3904 transitions.
Graph (complete) has 4653 edges and 280 vertex of which 279 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.22 ms
Discarding 1 places :
Also discarding 0 output transitions
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 2 place count 278 transition count 3871
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 278 transition count 3871
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -6
Deduced a syphon composed of 2 places in 4 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 7 place count 276 transition count 3877
Free-agglomeration rule applied 6 times.
Iterating global reduction 0 with 6 rules applied. Total rules applied 13 place count 276 transition count 3871
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 19 place count 270 transition count 3871
Applied a total of 19 rules in 429 ms. Remains 270 /280 variables (removed 10) and now considering 3871/3904 (removed 33) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 431 ms. Remains : 270/280 places, 3871/3904 transitions.
Normalized transition count is 3699 out of 3871 initially.
// Phase 1: matrix 3699 rows 270 cols
[2023-03-12 15:32:45] [INFO ] Computed 9 place invariants in 44 ms
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 2951 ms. (steps per millisecond=338 ) properties (out of 3) seen :5
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1896 ms. (steps per millisecond=527 ) properties (out of 3) seen :3
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2006 ms. (steps per millisecond=498 ) properties (out of 3) seen :3
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2402 ms. (steps per millisecond=416 ) properties (out of 3) seen :6
[2023-03-12 15:32:54] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
// Phase 1: matrix 3699 rows 270 cols
[2023-03-12 15:32:54] [INFO ] Computed 9 place invariants in 17 ms
[2023-03-12 15:32:54] [INFO ] [Real]Absence check using 9 positive place invariants in 4 ms returned sat
[2023-03-12 15:32:54] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-12 15:32:55] [INFO ] [Real]Absence check using state equation in 740 ms returned sat
[2023-03-12 15:32:55] [INFO ] Solution in real domain found non-integer solution.
[2023-03-12 15:32:55] [INFO ] [Nat]Absence check using 9 positive place invariants in 4 ms returned sat
[2023-03-12 15:32:55] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-12 15:32:56] [INFO ] [Nat]Absence check using state equation in 529 ms returned sat
[2023-03-12 15:32:56] [INFO ] State equation strengthened by 283 read => feed constraints.
[2023-03-12 15:32:56] [INFO ] [Nat]Added 283 Read/Feed constraints in 326 ms returned sat
[2023-03-12 15:32:57] [INFO ] Deduced a trap composed of 23 places in 481 ms of which 1 ms to minimize.
[2023-03-12 15:32:57] [INFO ] Deduced a trap composed of 54 places in 406 ms of which 1 ms to minimize.
[2023-03-12 15:32:58] [INFO ] Deduced a trap composed of 42 places in 374 ms of which 1 ms to minimize.
[2023-03-12 15:32:58] [INFO ] Deduced a trap composed of 63 places in 394 ms of which 1 ms to minimize.
[2023-03-12 15:32:59] [INFO ] Deduced a trap composed of 60 places in 376 ms of which 1 ms to minimize.
[2023-03-12 15:32:59] [INFO ] Deduced a trap composed of 61 places in 404 ms of which 0 ms to minimize.
[2023-03-12 15:33:00] [INFO ] Deduced a trap composed of 26 places in 478 ms of which 1 ms to minimize.
[2023-03-12 15:33:00] [INFO ] Deduced a trap composed of 62 places in 400 ms of which 0 ms to minimize.
[2023-03-12 15:33:00] [INFO ] Trap strengthening (SAT) tested/added 9/8 trap constraints in 4211 ms
[2023-03-12 15:33:01] [INFO ] Computed and/alt/rep : 458/1718/458 causal constraints (skipped 3240 transitions) in 334 ms.
[2023-03-12 15:33:01] [INFO ] Added : 1 causal constraints over 1 iterations in 796 ms. Result :sat
[2023-03-12 15:33:01] [INFO ] [Real]Absence check using 9 positive place invariants in 6 ms returned sat
[2023-03-12 15:33:01] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-12 15:33:02] [INFO ] [Real]Absence check using state equation in 628 ms returned sat
[2023-03-12 15:33:02] [INFO ] Solution in real domain found non-integer solution.
[2023-03-12 15:33:02] [INFO ] [Nat]Absence check using 9 positive place invariants in 5 ms returned sat
[2023-03-12 15:33:02] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-12 15:33:03] [INFO ] [Nat]Absence check using state equation in 607 ms returned sat
[2023-03-12 15:33:03] [INFO ] [Nat]Added 283 Read/Feed constraints in 188 ms returned sat
[2023-03-12 15:33:04] [INFO ] Deduced a trap composed of 35 places in 523 ms of which 1 ms to minimize.
[2023-03-12 15:33:04] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 759 ms
[2023-03-12 15:33:04] [INFO ] Computed and/alt/rep : 458/1718/458 causal constraints (skipped 3240 transitions) in 341 ms.
[2023-03-12 15:33:04] [INFO ] Added : 2 causal constraints over 1 iterations in 684 ms. Result :sat
[2023-03-12 15:33:05] [INFO ] [Real]Absence check using 9 positive place invariants in 5 ms returned sat
[2023-03-12 15:33:05] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-12 15:33:05] [INFO ] [Real]Absence check using state equation in 603 ms returned sat
[2023-03-12 15:33:05] [INFO ] [Real]Added 283 Read/Feed constraints in 74 ms returned sat
[2023-03-12 15:33:05] [INFO ] Solution in real domain found non-integer solution.
[2023-03-12 15:33:06] [INFO ] [Nat]Absence check using 9 positive place invariants in 6 ms returned sat
[2023-03-12 15:33:06] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-12 15:33:06] [INFO ] [Nat]Absence check using state equation in 569 ms returned sat
[2023-03-12 15:33:06] [INFO ] [Nat]Added 283 Read/Feed constraints in 100 ms returned sat
[2023-03-12 15:33:07] [INFO ] Deduced a trap composed of 11 places in 409 ms of which 1 ms to minimize.
[2023-03-12 15:33:07] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 591 ms
[2023-03-12 15:33:07] [INFO ] Computed and/alt/rep : 458/1718/458 causal constraints (skipped 3240 transitions) in 299 ms.
[2023-03-12 15:33:07] [INFO ] Added : 2 causal constraints over 1 iterations in 696 ms. Result :sat
Current structural bounds on expressions (after SMT) : [-1, -1, 16] Max seen :[0, 0, 11]
Support contains 3 out of 270 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 270/270 places, 3871/3871 transitions.
Applied a total of 0 rules in 87 ms. Remains 270 /270 variables (removed 0) and now considering 3871/3871 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 88 ms. Remains : 270/270 places, 3871/3871 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 270/270 places, 3871/3871 transitions.
Applied a total of 0 rules in 74 ms. Remains 270 /270 variables (removed 0) and now considering 3871/3871 (removed 0) transitions.
[2023-03-12 15:33:08] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
[2023-03-12 15:33:08] [INFO ] Invariant cache hit.
[2023-03-12 15:33:08] [INFO ] Implicit Places using invariants in 461 ms returned []
[2023-03-12 15:33:08] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
[2023-03-12 15:33:08] [INFO ] Invariant cache hit.
[2023-03-12 15:33:09] [INFO ] State equation strengthened by 283 read => feed constraints.
[2023-03-12 15:33:10] [INFO ] Implicit Places using invariants and state equation in 1916 ms returned []
Implicit Place search using SMT with State Equation took 2381 ms to find 0 implicit places.
[2023-03-12 15:33:11] [INFO ] Redundant transitions in 377 ms returned []
[2023-03-12 15:33:11] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
[2023-03-12 15:33:11] [INFO ] Invariant cache hit.
[2023-03-12 15:33:12] [INFO ] Dead Transitions using invariants and state equation in 1177 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4021 ms. Remains : 270/270 places, 3871/3871 transitions.
Starting property specific reduction for BugTracking-PT-q8m016-UpperBounds-11
Normalized transition count is 3699 out of 3871 initially.
// Phase 1: matrix 3699 rows 270 cols
[2023-03-12 15:33:12] [INFO ] Computed 9 place invariants in 27 ms
Incomplete random walk after 10002 steps, including 2 resets, run finished after 57 ms. (steps per millisecond=175 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 29 ms. (steps per millisecond=344 ) properties (out of 1) seen :0
[2023-03-12 15:33:12] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
// Phase 1: matrix 3699 rows 270 cols
[2023-03-12 15:33:12] [INFO ] Computed 9 place invariants in 29 ms
[2023-03-12 15:33:12] [INFO ] [Real]Absence check using 9 positive place invariants in 5 ms returned sat
[2023-03-12 15:33:12] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-12 15:33:13] [INFO ] [Real]Absence check using state equation in 627 ms returned sat
[2023-03-12 15:33:13] [INFO ] Solution in real domain found non-integer solution.
[2023-03-12 15:33:13] [INFO ] [Nat]Absence check using 9 positive place invariants in 6 ms returned sat
[2023-03-12 15:33:13] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-12 15:33:14] [INFO ] [Nat]Absence check using state equation in 631 ms returned sat
[2023-03-12 15:33:14] [INFO ] State equation strengthened by 283 read => feed constraints.
[2023-03-12 15:33:14] [INFO ] [Nat]Added 283 Read/Feed constraints in 290 ms returned sat
[2023-03-12 15:33:14] [INFO ] Deduced a trap composed of 23 places in 453 ms of which 1 ms to minimize.
[2023-03-12 15:33:15] [INFO ] Deduced a trap composed of 54 places in 408 ms of which 0 ms to minimize.
[2023-03-12 15:33:15] [INFO ] Deduced a trap composed of 42 places in 429 ms of which 3 ms to minimize.
[2023-03-12 15:33:16] [INFO ] Deduced a trap composed of 63 places in 460 ms of which 1 ms to minimize.
[2023-03-12 15:33:17] [INFO ] Deduced a trap composed of 60 places in 413 ms of which 1 ms to minimize.
[2023-03-12 15:33:17] [INFO ] Deduced a trap composed of 61 places in 418 ms of which 0 ms to minimize.
[2023-03-12 15:33:18] [INFO ] Deduced a trap composed of 26 places in 486 ms of which 0 ms to minimize.
[2023-03-12 15:33:18] [INFO ] Deduced a trap composed of 62 places in 384 ms of which 1 ms to minimize.
[2023-03-12 15:33:18] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 0
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithTraps(DeadlockTester.java:1255)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:916)
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 270 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 270/270 places, 3871/3871 transitions.
Graph (complete) has 4586 edges and 270 vertex of which 269 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.6 ms
Discarding 1 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 71 ms. Remains 269 /270 variables (removed 1) and now considering 3871/3871 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 72 ms. Remains : 269/270 places, 3871/3871 transitions.
Normalized transition count is 3699 out of 3871 initially.
// Phase 1: matrix 3699 rows 269 cols
[2023-03-12 15:33:18] [INFO ] Computed 8 place invariants in 14 ms
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 2705 ms. (steps per millisecond=369 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1676 ms. (steps per millisecond=596 ) properties (out of 1) seen :0
[2023-03-12 15:33:23] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
// Phase 1: matrix 3699 rows 269 cols
[2023-03-12 15:33:23] [INFO ] Computed 8 place invariants in 15 ms
[2023-03-12 15:33:23] [INFO ] [Real]Absence check using 8 positive place invariants in 6 ms returned sat
[2023-03-12 15:33:23] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-12 15:33:23] [INFO ] [Real]Absence check using state equation in 497 ms returned sat
[2023-03-12 15:33:23] [INFO ] Solution in real domain found non-integer solution.
[2023-03-12 15:33:23] [INFO ] [Nat]Absence check using 8 positive place invariants in 5 ms returned sat
[2023-03-12 15:33:23] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-12 15:33:24] [INFO ] [Nat]Absence check using state equation in 567 ms returned sat
[2023-03-12 15:33:24] [INFO ] State equation strengthened by 283 read => feed constraints.
[2023-03-12 15:33:24] [INFO ] [Nat]Added 283 Read/Feed constraints in 72 ms returned sat
[2023-03-12 15:33:25] [INFO ] Computed and/alt/rep : 458/1718/458 causal constraints (skipped 3240 transitions) in 321 ms.
[2023-03-12 15:33:26] [INFO ] Deduced a trap composed of 96 places in 537 ms of which 1 ms to minimize.
[2023-03-12 15:33:26] [INFO ] Deduced a trap composed of 72 places in 501 ms of which 1 ms to minimize.
[2023-03-12 15:33:27] [INFO ] Deduced a trap composed of 53 places in 568 ms of which 1 ms to minimize.
[2023-03-12 15:33:28] [INFO ] Deduced a trap composed of 14 places in 452 ms of which 1 ms to minimize.
[2023-03-12 15:33:28] [INFO ] Deduced a trap composed of 94 places in 372 ms of which 1 ms to minimize.
[2023-03-12 15:33:29] [INFO ] Deduced a trap composed of 45 places in 457 ms of which 0 ms to minimize.
[2023-03-12 15:33:29] [INFO ] Deduced a trap composed of 35 places in 469 ms of which 4 ms to minimize.
[2023-03-12 15:33:30] [INFO ] Deduced a trap composed of 92 places in 467 ms of which 0 ms to minimize.
[2023-03-12 15:33:31] [INFO ] Deduced a trap composed of 90 places in 515 ms of which 0 ms to minimize.
[2023-03-12 15:33:31] [INFO ] Deduced a trap composed of 55 places in 431 ms of which 0 ms to minimize.
[2023-03-12 15:33:32] [INFO ] Deduced a trap composed of 48 places in 507 ms of which 1 ms to minimize.
[2023-03-12 15:33:32] [INFO ] Deduced a trap composed of 54 places in 422 ms of which 0 ms to minimize.
[2023-03-12 15:33:33] [INFO ] Deduced a trap composed of 35 places in 381 ms of which 1 ms to minimize.
[2023-03-12 15:33:33] [INFO ] Deduced a trap composed of 14 places in 277 ms of which 1 ms to minimize.
[2023-03-12 15:33:34] [INFO ] Deduced a trap composed of 41 places in 348 ms of which 0 ms to minimize.
[2023-03-12 15:33:34] [INFO ] Deduced a trap composed of 54 places in 404 ms of which 0 ms to minimize.
[2023-03-12 15:33:35] [INFO ] Trap strengthening (SAT) tested/added 17/16 trap constraints in 9396 ms
[2023-03-12 15:33:35] [INFO ] Added : 9 causal constraints over 4 iterations in 10989 ms. Result :sat
Current structural bounds on expressions (after SMT) : [-1] Max seen :[0]
Support contains 1 out of 269 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 269/269 places, 3871/3871 transitions.
Applied a total of 0 rules in 64 ms. Remains 269 /269 variables (removed 0) and now considering 3871/3871 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 64 ms. Remains : 269/269 places, 3871/3871 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 269/269 places, 3871/3871 transitions.
Applied a total of 0 rules in 69 ms. Remains 269 /269 variables (removed 0) and now considering 3871/3871 (removed 0) transitions.
[2023-03-12 15:33:35] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
[2023-03-12 15:33:36] [INFO ] Invariant cache hit.
[2023-03-12 15:33:36] [INFO ] Implicit Places using invariants in 780 ms returned []
[2023-03-12 15:33:36] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
[2023-03-12 15:33:36] [INFO ] Invariant cache hit.
[2023-03-12 15:33:37] [INFO ] State equation strengthened by 283 read => feed constraints.
[2023-03-12 15:33:38] [INFO ] Implicit Places using invariants and state equation in 1981 ms returned []
Implicit Place search using SMT with State Equation took 2769 ms to find 0 implicit places.
[2023-03-12 15:33:39] [INFO ] Redundant transitions in 298 ms returned []
[2023-03-12 15:33:39] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
[2023-03-12 15:33:39] [INFO ] Invariant cache hit.
[2023-03-12 15:33:40] [INFO ] Dead Transitions using invariants and state equation in 1172 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4319 ms. Remains : 269/269 places, 3871/3871 transitions.
Ending property specific reduction for BugTracking-PT-q8m016-UpperBounds-11 in 27840 ms.
Starting property specific reduction for BugTracking-PT-q8m016-UpperBounds-12
Normalized transition count is 3699 out of 3871 initially.
// Phase 1: matrix 3699 rows 270 cols
[2023-03-12 15:33:40] [INFO ] Computed 9 place invariants in 10 ms
Incomplete random walk after 10000 steps, including 2 resets, run finished after 66 ms. (steps per millisecond=151 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 26 ms. (steps per millisecond=384 ) properties (out of 1) seen :0
[2023-03-12 15:33:40] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
// Phase 1: matrix 3699 rows 270 cols
[2023-03-12 15:33:40] [INFO ] Computed 9 place invariants in 22 ms
[2023-03-12 15:33:40] [INFO ] [Real]Absence check using 9 positive place invariants in 5 ms returned sat
[2023-03-12 15:33:40] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-12 15:33:40] [INFO ] [Real]Absence check using state equation in 433 ms returned sat
[2023-03-12 15:33:40] [INFO ] Solution in real domain found non-integer solution.
[2023-03-12 15:33:41] [INFO ] [Nat]Absence check using 9 positive place invariants in 3 ms returned sat
[2023-03-12 15:33:41] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-12 15:33:41] [INFO ] [Nat]Absence check using state equation in 522 ms returned sat
[2023-03-12 15:33:41] [INFO ] State equation strengthened by 283 read => feed constraints.
[2023-03-12 15:33:41] [INFO ] [Nat]Added 283 Read/Feed constraints in 150 ms returned sat
[2023-03-12 15:33:42] [INFO ] Deduced a trap composed of 35 places in 438 ms of which 0 ms to minimize.
[2023-03-12 15:33:42] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 640 ms
[2023-03-12 15:33:42] [INFO ] Computed and/alt/rep : 458/1718/458 causal constraints (skipped 3240 transitions) in 328 ms.
[2023-03-12 15:33:43] [INFO ] Added : 2 causal constraints over 1 iterations in 717 ms. Result :sat
Current structural bounds on expressions (after SMT) : [-1] Max seen :[0]
Support contains 1 out of 270 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 270/270 places, 3871/3871 transitions.
Graph (complete) has 4586 edges and 270 vertex of which 269 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.2 ms
Discarding 1 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 61 ms. Remains 269 /270 variables (removed 1) and now considering 3871/3871 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 67 ms. Remains : 269/270 places, 3871/3871 transitions.
Normalized transition count is 3699 out of 3871 initially.
// Phase 1: matrix 3699 rows 269 cols
[2023-03-12 15:33:43] [INFO ] Computed 8 place invariants in 15 ms
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 3409 ms. (steps per millisecond=293 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1682 ms. (steps per millisecond=594 ) properties (out of 1) seen :0
[2023-03-12 15:33:48] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
// Phase 1: matrix 3699 rows 269 cols
[2023-03-12 15:33:48] [INFO ] Computed 8 place invariants in 24 ms
[2023-03-12 15:33:48] [INFO ] [Real]Absence check using 8 positive place invariants in 4 ms returned sat
[2023-03-12 15:33:48] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-12 15:33:49] [INFO ] [Real]Absence check using state equation in 578 ms returned sat
[2023-03-12 15:33:49] [INFO ] Solution in real domain found non-integer solution.
[2023-03-12 15:33:49] [INFO ] [Nat]Absence check using 8 positive place invariants in 3 ms returned sat
[2023-03-12 15:33:49] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-12 15:33:49] [INFO ] [Nat]Absence check using state equation in 583 ms returned sat
[2023-03-12 15:33:49] [INFO ] State equation strengthened by 283 read => feed constraints.
[2023-03-12 15:33:49] [INFO ] [Nat]Added 283 Read/Feed constraints in 173 ms returned sat
[2023-03-12 15:33:50] [INFO ] Deduced a trap composed of 36 places in 357 ms of which 0 ms to minimize.
[2023-03-12 15:33:50] [INFO ] Deduced a trap composed of 23 places in 352 ms of which 0 ms to minimize.
[2023-03-12 15:33:51] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1028 ms
[2023-03-12 15:33:51] [INFO ] Computed and/alt/rep : 458/1718/458 causal constraints (skipped 3240 transitions) in 295 ms.
[2023-03-12 15:33:51] [INFO ] Added : 2 causal constraints over 1 iterations in 677 ms. Result :sat
Current structural bounds on expressions (after SMT) : [-1] Max seen :[0]
Support contains 1 out of 269 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 269/269 places, 3871/3871 transitions.
Applied a total of 0 rules in 51 ms. Remains 269 /269 variables (removed 0) and now considering 3871/3871 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 51 ms. Remains : 269/269 places, 3871/3871 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 269/269 places, 3871/3871 transitions.
Applied a total of 0 rules in 49 ms. Remains 269 /269 variables (removed 0) and now considering 3871/3871 (removed 0) transitions.
[2023-03-12 15:33:51] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
[2023-03-12 15:33:51] [INFO ] Invariant cache hit.
[2023-03-12 15:33:52] [INFO ] Implicit Places using invariants in 449 ms returned []
[2023-03-12 15:33:52] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
[2023-03-12 15:33:52] [INFO ] Invariant cache hit.
[2023-03-12 15:33:53] [INFO ] State equation strengthened by 283 read => feed constraints.
[2023-03-12 15:33:54] [INFO ] Implicit Places using invariants and state equation in 2050 ms returned []
Implicit Place search using SMT with State Equation took 2501 ms to find 0 implicit places.
[2023-03-12 15:33:54] [INFO ] Redundant transitions in 166 ms returned []
[2023-03-12 15:33:54] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
[2023-03-12 15:33:54] [INFO ] Invariant cache hit.
[2023-03-12 15:33:55] [INFO ] Dead Transitions using invariants and state equation in 1166 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3891 ms. Remains : 269/269 places, 3871/3871 transitions.
Ending property specific reduction for BugTracking-PT-q8m016-UpperBounds-12 in 15521 ms.
Starting property specific reduction for BugTracking-PT-q8m016-UpperBounds-13
Normalized transition count is 3699 out of 3871 initially.
// Phase 1: matrix 3699 rows 270 cols
[2023-03-12 15:33:55] [INFO ] Computed 9 place invariants in 34 ms
Incomplete random walk after 10000 steps, including 2 resets, run finished after 31 ms. (steps per millisecond=322 ) properties (out of 1) seen :4
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 1) seen :4
[2023-03-12 15:33:55] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
// Phase 1: matrix 3699 rows 270 cols
[2023-03-12 15:33:55] [INFO ] Computed 9 place invariants in 14 ms
[2023-03-12 15:33:55] [INFO ] [Real]Absence check using 9 positive place invariants in 4 ms returned sat
[2023-03-12 15:33:55] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-12 15:33:56] [INFO ] [Real]Absence check using state equation in 500 ms returned sat
[2023-03-12 15:33:56] [INFO ] State equation strengthened by 283 read => feed constraints.
[2023-03-12 15:33:56] [INFO ] [Real]Added 283 Read/Feed constraints in 55 ms returned sat
[2023-03-12 15:33:56] [INFO ] Solution in real domain found non-integer solution.
[2023-03-12 15:33:56] [INFO ] [Nat]Absence check using 9 positive place invariants in 3 ms returned sat
[2023-03-12 15:33:56] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-12 15:33:57] [INFO ] [Nat]Absence check using state equation in 496 ms returned sat
[2023-03-12 15:33:57] [INFO ] [Nat]Added 283 Read/Feed constraints in 72 ms returned sat
[2023-03-12 15:33:57] [INFO ] Deduced a trap composed of 16 places in 517 ms of which 1 ms to minimize.
[2023-03-12 15:33:58] [INFO ] Deduced a trap composed of 11 places in 342 ms of which 1 ms to minimize.
[2023-03-12 15:33:58] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1147 ms
[2023-03-12 15:33:58] [INFO ] Computed and/alt/rep : 458/1718/458 causal constraints (skipped 3240 transitions) in 224 ms.
[2023-03-12 15:33:59] [INFO ] Added : 2 causal constraints over 1 iterations in 606 ms. Result :sat
Current structural bounds on expressions (after SMT) : [16] Max seen :[4]
Support contains 1 out of 270 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 270/270 places, 3871/3871 transitions.
Applied a total of 0 rules in 91 ms. Remains 270 /270 variables (removed 0) and now considering 3871/3871 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 95 ms. Remains : 270/270 places, 3871/3871 transitions.
Normalized transition count is 3699 out of 3871 initially.
// Phase 1: matrix 3699 rows 270 cols
[2023-03-12 15:33:59] [INFO ] Computed 9 place invariants in 25 ms
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 3005 ms. (steps per millisecond=332 ) properties (out of 1) seen :9
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1608 ms. (steps per millisecond=621 ) properties (out of 1) seen :0
[2023-03-12 15:34:03] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
// Phase 1: matrix 3699 rows 270 cols
[2023-03-12 15:34:03] [INFO ] Computed 9 place invariants in 9 ms
[2023-03-12 15:34:04] [INFO ] [Real]Absence check using 9 positive place invariants in 5 ms returned sat
[2023-03-12 15:34:04] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-12 15:34:04] [INFO ] [Real]Absence check using state equation in 468 ms returned sat
[2023-03-12 15:34:04] [INFO ] State equation strengthened by 283 read => feed constraints.
[2023-03-12 15:34:04] [INFO ] [Real]Added 283 Read/Feed constraints in 59 ms returned sat
[2023-03-12 15:34:04] [INFO ] Solution in real domain found non-integer solution.
[2023-03-12 15:34:04] [INFO ] [Nat]Absence check using 9 positive place invariants in 2 ms returned sat
[2023-03-12 15:34:04] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-12 15:34:05] [INFO ] [Nat]Absence check using state equation in 448 ms returned sat
[2023-03-12 15:34:05] [INFO ] [Nat]Added 283 Read/Feed constraints in 80 ms returned sat
[2023-03-12 15:34:05] [INFO ] Deduced a trap composed of 11 places in 343 ms of which 1 ms to minimize.
[2023-03-12 15:34:05] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 519 ms
[2023-03-12 15:34:06] [INFO ] Computed and/alt/rep : 458/1718/458 causal constraints (skipped 3240 transitions) in 339 ms.
[2023-03-12 15:34:06] [INFO ] Added : 2 causal constraints over 1 iterations in 695 ms. Result :sat
Current structural bounds on expressions (after SMT) : [16] Max seen :[9]
Support contains 1 out of 270 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 270/270 places, 3871/3871 transitions.
Applied a total of 0 rules in 69 ms. Remains 270 /270 variables (removed 0) and now considering 3871/3871 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 77 ms. Remains : 270/270 places, 3871/3871 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 270/270 places, 3871/3871 transitions.
Applied a total of 0 rules in 98 ms. Remains 270 /270 variables (removed 0) and now considering 3871/3871 (removed 0) transitions.
[2023-03-12 15:34:06] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
[2023-03-12 15:34:06] [INFO ] Invariant cache hit.
[2023-03-12 15:34:07] [INFO ] Implicit Places using invariants in 488 ms returned []
[2023-03-12 15:34:07] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
[2023-03-12 15:34:07] [INFO ] Invariant cache hit.
[2023-03-12 15:34:08] [INFO ] State equation strengthened by 283 read => feed constraints.
[2023-03-12 15:34:09] [INFO ] Implicit Places using invariants and state equation in 1762 ms returned []
Implicit Place search using SMT with State Equation took 2277 ms to find 0 implicit places.
[2023-03-12 15:34:09] [INFO ] Redundant transitions in 134 ms returned []
[2023-03-12 15:34:09] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
[2023-03-12 15:34:09] [INFO ] Invariant cache hit.
[2023-03-12 15:34:10] [INFO ] Dead Transitions using invariants and state equation in 1194 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3715 ms. Remains : 270/270 places, 3871/3871 transitions.
Normalized transition count is 3699 out of 3871 initially.
// Phase 1: matrix 3699 rows 270 cols
[2023-03-12 15:34:10] [INFO ] Computed 9 place invariants in 15 ms
Incomplete random walk after 1000009 steps, including 2 resets, run finished after 2384 ms. (steps per millisecond=419 ) properties (out of 1) seen :2
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1636 ms. (steps per millisecond=611 ) properties (out of 1) seen :2
[2023-03-12 15:34:14] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
// Phase 1: matrix 3699 rows 270 cols
[2023-03-12 15:34:14] [INFO ] Computed 9 place invariants in 20 ms
[2023-03-12 15:34:14] [INFO ] [Real]Absence check using 9 positive place invariants in 5 ms returned sat
[2023-03-12 15:34:14] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-12 15:34:15] [INFO ] [Real]Absence check using state equation in 618 ms returned sat
[2023-03-12 15:34:15] [INFO ] State equation strengthened by 283 read => feed constraints.
[2023-03-12 15:34:15] [INFO ] [Real]Added 283 Read/Feed constraints in 76 ms returned sat
[2023-03-12 15:34:15] [INFO ] Solution in real domain found non-integer solution.
[2023-03-12 15:34:15] [INFO ] [Nat]Absence check using 9 positive place invariants in 5 ms returned sat
[2023-03-12 15:34:15] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-12 15:34:16] [INFO ] [Nat]Absence check using state equation in 550 ms returned sat
[2023-03-12 15:34:16] [INFO ] [Nat]Added 283 Read/Feed constraints in 90 ms returned sat
[2023-03-12 15:34:16] [INFO ] Deduced a trap composed of 11 places in 375 ms of which 2 ms to minimize.
[2023-03-12 15:34:16] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 522 ms
[2023-03-12 15:34:17] [INFO ] Computed and/alt/rep : 458/1718/458 causal constraints (skipped 3240 transitions) in 251 ms.
[2023-03-12 15:34:17] [INFO ] Added : 2 causal constraints over 1 iterations in 626 ms. Result :sat
Current structural bounds on expressions (after SMT) : [16] Max seen :[9]
Support contains 1 out of 270 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 270/270 places, 3871/3871 transitions.
Applied a total of 0 rules in 56 ms. Remains 270 /270 variables (removed 0) and now considering 3871/3871 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 57 ms. Remains : 270/270 places, 3871/3871 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 270/270 places, 3871/3871 transitions.
Applied a total of 0 rules in 56 ms. Remains 270 /270 variables (removed 0) and now considering 3871/3871 (removed 0) transitions.
[2023-03-12 15:34:17] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
[2023-03-12 15:34:17] [INFO ] Invariant cache hit.
[2023-03-12 15:34:18] [INFO ] Implicit Places using invariants in 472 ms returned []
[2023-03-12 15:34:18] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
[2023-03-12 15:34:18] [INFO ] Invariant cache hit.
[2023-03-12 15:34:18] [INFO ] State equation strengthened by 283 read => feed constraints.
[2023-03-12 15:34:20] [INFO ] Implicit Places using invariants and state equation in 1901 ms returned []
Implicit Place search using SMT with State Equation took 2388 ms to find 0 implicit places.
[2023-03-12 15:34:20] [INFO ] Redundant transitions in 176 ms returned []
[2023-03-12 15:34:20] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
[2023-03-12 15:34:20] [INFO ] Invariant cache hit.
[2023-03-12 15:34:21] [INFO ] Dead Transitions using invariants and state equation in 1259 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3904 ms. Remains : 270/270 places, 3871/3871 transitions.
Ending property specific reduction for BugTracking-PT-q8m016-UpperBounds-13 in 25814 ms.
[2023-03-12 15:34:22] [INFO ] Flatten gal took : 399 ms
[2023-03-12 15:34:22] [INFO ] Export to MCC of 3 properties in file /home/mcc/execution/UpperBounds.sr.xml took 14 ms.
[2023-03-12 15:34:22] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 270 places, 3871 transitions and 19051 arcs took 17 ms.
Total runtime 110793 ms.
There are residual formulas that ITS could not solve within timeout
pnml2lts-sym model.pnml --lace-workers=4 --vset=lddmc --saturation=sat -rbs,w2W,ru,hf --sylvan-sizes=20,28,20,28 --maxsum=/tmp/798/ub_0_ --maxsum=/tmp/798/ub_1_ --maxsum=/tmp/798/ub_2_
TIME LIMIT: Killed by timeout after 3600 seconds
MemTotal: 16393340 kB
MemFree: 141544 kB
After kill :
MemTotal: 16393340 kB
MemFree: 16251480 kB

BK_TIME_CONFINEMENT_REACHED

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -timeout 360 -rebuildPNML
mcc2023

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="BugTracking-PT-q8m016"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="ltsminxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5348"
echo " Executing tool ltsminxred"
echo " Input is BugTracking-PT-q8m016, 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 r041-tajo-167813694700413"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BugTracking-PT-q8m016.tgz
mv BugTracking-PT-q8m016 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 ;