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-167813694700429.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-q8m064, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r041-tajo-167813694700429
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 16M
-rw-r--r-- 1 mcc users 6.2K Feb 26 07:09 CTLCardinality.txt
-rw-r--r-- 1 mcc users 50K Feb 26 07:09 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K Feb 26 06:51 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K Feb 26 06:51 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.5K Feb 25 15:38 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Feb 25 15:38 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Feb 25 15:38 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Feb 25 15:38 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Feb 26 07:45 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 79K Feb 26 07:45 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.2K Feb 26 07:27 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 55K Feb 26 07:27 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-q8m064-UpperBounds-00
FORMULA_NAME BugTracking-PT-q8m064-UpperBounds-01
FORMULA_NAME BugTracking-PT-q8m064-UpperBounds-02
FORMULA_NAME BugTracking-PT-q8m064-UpperBounds-03
FORMULA_NAME BugTracking-PT-q8m064-UpperBounds-04
FORMULA_NAME BugTracking-PT-q8m064-UpperBounds-05
FORMULA_NAME BugTracking-PT-q8m064-UpperBounds-06
FORMULA_NAME BugTracking-PT-q8m064-UpperBounds-07
FORMULA_NAME BugTracking-PT-q8m064-UpperBounds-08
FORMULA_NAME BugTracking-PT-q8m064-UpperBounds-09
FORMULA_NAME BugTracking-PT-q8m064-UpperBounds-10
FORMULA_NAME BugTracking-PT-q8m064-UpperBounds-11
FORMULA_NAME BugTracking-PT-q8m064-UpperBounds-12
FORMULA_NAME BugTracking-PT-q8m064-UpperBounds-13
FORMULA_NAME BugTracking-PT-q8m064-UpperBounds-14
FORMULA_NAME BugTracking-PT-q8m064-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1678636397487

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-q8m064
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-12 15:53:19] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2023-03-12 15:53:19] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-12 15:53:19] [INFO ] Load time of PNML (sax parser for PT used): 698 ms
[2023-03-12 15:53:19] [INFO ] Transformed 754 places.
[2023-03-12 15:53:19] [INFO ] Transformed 27370 transitions.
[2023-03-12 15:53:19] [INFO ] Parsed PT model containing 754 places and 27370 transitions and 136172 arcs in 918 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 5 ms.
Deduced a syphon composed of 474 places in 114 ms
Reduce places removed 474 places and 23466 transitions.
FORMULA BugTracking-PT-q8m064-UpperBounds-01 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m064-UpperBounds-04 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m064-UpperBounds-06 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m064-UpperBounds-07 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m064-UpperBounds-10 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m064-UpperBounds-11 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m064-UpperBounds-13 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m064-UpperBounds-14 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m064-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 15:53:20] [INFO ] Computed 10 place invariants in 43 ms
Incomplete random walk after 10000 steps, including 15 resets, run finished after 107 ms. (steps per millisecond=93 ) properties (out of 7) seen :1
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 28 ms. (steps per millisecond=357 ) properties (out of 7) seen :1
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 25 ms. (steps per millisecond=400 ) properties (out of 7) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 7) seen :2
FORMULA BugTracking-PT-q8m064-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 26 ms. (steps per millisecond=384 ) properties (out of 6) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 6) seen :1
[2023-03-12 15:53:20] [INFO ] Flow matrix only has 3729 transitions (discarded 175 similar events)
// Phase 1: matrix 3729 rows 280 cols
[2023-03-12 15:53:20] [INFO ] Computed 10 place invariants in 18 ms
[2023-03-12 15:53:20] [INFO ] [Real]Absence check using 10 positive place invariants in 6 ms returned sat
[2023-03-12 15:53:20] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-12 15:53:21] [INFO ] [Real]Absence check using state equation in 627 ms returned sat
[2023-03-12 15:53:21] [INFO ] Solution in real domain found non-integer solution.
[2023-03-12 15:53:21] [INFO ] [Nat]Absence check using 10 positive place invariants in 4 ms returned sat
[2023-03-12 15:53:21] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-12 15:53:21] [INFO ] [Nat]Absence check using state equation in 414 ms returned sat
[2023-03-12 15:53:21] [INFO ] State equation strengthened by 303 read => feed constraints.
[2023-03-12 15:53:22] [INFO ] [Nat]Added 303 Read/Feed constraints in 256 ms returned sat
[2023-03-12 15:53:22] [INFO ] Deduced a trap composed of 46 places in 501 ms of which 4 ms to minimize.
[2023-03-12 15:53:23] [INFO ] Deduced a trap composed of 38 places in 447 ms of which 2 ms to minimize.
[2023-03-12 15:53:23] [INFO ] Deduced a trap composed of 17 places in 414 ms of which 1 ms to minimize.
[2023-03-12 15:53:24] [INFO ] Deduced a trap composed of 103 places in 341 ms of which 1 ms to minimize.
[2023-03-12 15:53:24] [INFO ] Deduced a trap composed of 63 places in 394 ms of which 1 ms to minimize.
[2023-03-12 15:53:25] [INFO ] Deduced a trap composed of 12 places in 396 ms of which 3 ms to minimize.
[2023-03-12 15:53:25] [INFO ] Deduced a trap composed of 60 places in 341 ms of which 0 ms to minimize.
[2023-03-12 15:53:26] [INFO ] Deduced a trap composed of 62 places in 333 ms of which 0 ms to minimize.
[2023-03-12 15:53:26] [INFO ] Deduced a trap composed of 61 places in 338 ms of which 0 ms to minimize.
[2023-03-12 15:53:27] [INFO ] Deduced a trap composed of 15 places in 527 ms of which 4 ms to minimize.
[2023-03-12 15:53:27] [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: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 15:53:27] [INFO ] [Real]Absence check using 10 positive place invariants in 3 ms returned sat
[2023-03-12 15:53:27] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-12 15:53:27] [INFO ] [Real]Absence check using state equation in 441 ms returned sat
[2023-03-12 15:53:27] [INFO ] Solution in real domain found non-integer solution.
[2023-03-12 15:53:27] [INFO ] [Nat]Absence check using 10 positive place invariants in 3 ms returned sat
[2023-03-12 15:53:27] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-12 15:53:28] [INFO ] [Nat]Absence check using state equation in 444 ms returned sat
[2023-03-12 15:53:28] [INFO ] [Nat]Added 303 Read/Feed constraints in 149 ms returned sat
[2023-03-12 15:53:28] [INFO ] Deduced a trap composed of 45 places in 348 ms of which 0 ms to minimize.
[2023-03-12 15:53:29] [INFO ] Deduced a trap composed of 15 places in 334 ms of which 4 ms to minimize.
[2023-03-12 15:53:29] [INFO ] Deduced a trap composed of 29 places in 404 ms of which 0 ms to minimize.
[2023-03-12 15:53:29] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 1343 ms
[2023-03-12 15:53:29] [INFO ] Computed and/alt/rep : 471/1801/471 causal constraints (skipped 3256 transitions) in 298 ms.
[2023-03-12 15:53:30] [INFO ] Added : 3 causal constraints over 1 iterations in 684 ms. Result :sat
[2023-03-12 15:53:30] [INFO ] [Real]Absence check using 10 positive place invariants in 4 ms returned sat
[2023-03-12 15:53:30] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-12 15:53:30] [INFO ] [Real]Absence check using state equation in 525 ms returned sat
[2023-03-12 15:53:31] [INFO ] Solution in real domain found non-integer solution.
[2023-03-12 15:53:31] [INFO ] [Nat]Absence check using 10 positive place invariants in 3 ms returned sat
[2023-03-12 15:53:31] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-12 15:53:31] [INFO ] [Nat]Absence check using state equation in 494 ms returned sat
[2023-03-12 15:53:31] [INFO ] [Nat]Added 303 Read/Feed constraints in 48 ms returned sat
[2023-03-12 15:53:32] [INFO ] Computed and/alt/rep : 471/1801/471 causal constraints (skipped 3256 transitions) in 425 ms.
[2023-03-12 15:53:32] [INFO ] Added : 2 causal constraints over 1 iterations in 722 ms. Result :sat
[2023-03-12 15:53:32] [INFO ] [Real]Absence check using 10 positive place invariants in 6 ms returned sat
[2023-03-12 15:53:32] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-12 15:53:33] [INFO ] [Real]Absence check using state equation in 464 ms returned sat
[2023-03-12 15:53:33] [INFO ] Solution in real domain found non-integer solution.
[2023-03-12 15:53:33] [INFO ] [Nat]Absence check using 10 positive place invariants in 4 ms returned sat
[2023-03-12 15:53:33] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-12 15:53:33] [INFO ] [Nat]Absence check using state equation in 514 ms returned sat
[2023-03-12 15:53:34] [INFO ] [Nat]Added 303 Read/Feed constraints in 315 ms returned sat
[2023-03-12 15:53:34] [INFO ] Deduced a trap composed of 59 places in 335 ms of which 0 ms to minimize.
[2023-03-12 15:53:34] [INFO ] Deduced a trap composed of 56 places in 351 ms of which 0 ms to minimize.
[2023-03-12 15:53:35] [INFO ] Deduced a trap composed of 45 places in 273 ms of which 1 ms to minimize.
[2023-03-12 15:53:35] [INFO ] Deduced a trap composed of 29 places in 311 ms of which 0 ms to minimize.
[2023-03-12 15:53:35] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 1647 ms
[2023-03-12 15:53:35] [INFO ] Computed and/alt/rep : 471/1801/471 causal constraints (skipped 3256 transitions) in 224 ms.
[2023-03-12 15:53:36] [INFO ] Added : 13 causal constraints over 3 iterations in 748 ms. Result :sat
[2023-03-12 15:53:36] [INFO ] [Real]Absence check using 10 positive place invariants in 4 ms returned sat
[2023-03-12 15:53:36] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-12 15:53:36] [INFO ] [Real]Absence check using state equation in 423 ms returned sat
[2023-03-12 15:53:37] [INFO ] Solution in real domain found non-integer solution.
[2023-03-12 15:53:37] [INFO ] [Nat]Absence check using 10 positive place invariants in 4 ms returned sat
[2023-03-12 15:53:37] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-12 15:53:37] [INFO ] [Nat]Absence check using state equation in 456 ms returned sat
[2023-03-12 15:53:37] [INFO ] [Nat]Added 303 Read/Feed constraints in 183 ms returned sat
[2023-03-12 15:53:38] [INFO ] Deduced a trap composed of 19 places in 352 ms of which 1 ms to minimize.
[2023-03-12 15:53:38] [INFO ] Deduced a trap composed of 19 places in 338 ms of which 1 ms to minimize.
[2023-03-12 15:53:38] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 873 ms
[2023-03-12 15:53:38] [INFO ] Computed and/alt/rep : 471/1801/471 causal constraints (skipped 3256 transitions) in 209 ms.
[2023-03-12 15:53:39] [INFO ] Added : 7 causal constraints over 2 iterations in 565 ms. Result :sat
[2023-03-12 15:53:39] [INFO ] [Real]Absence check using 10 positive place invariants in 3 ms returned sat
[2023-03-12 15:53:39] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-12 15:53:39] [INFO ] [Real]Absence check using state equation in 482 ms returned sat
[2023-03-12 15:53:39] [INFO ] Solution in real domain found non-integer solution.
[2023-03-12 15:53:39] [INFO ] [Nat]Absence check using 10 positive place invariants in 4 ms returned sat
[2023-03-12 15:53:39] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-12 15:53:40] [INFO ] [Nat]Absence check using state equation in 455 ms returned sat
[2023-03-12 15:53:40] [INFO ] [Nat]Added 303 Read/Feed constraints in 144 ms returned sat
[2023-03-12 15:53:40] [INFO ] Deduced a trap composed of 49 places in 308 ms of which 0 ms to minimize.
[2023-03-12 15:53:41] [INFO ] Deduced a trap composed of 18 places in 417 ms of which 1 ms to minimize.
[2023-03-12 15:53:41] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 925 ms
[2023-03-12 15:53:41] [INFO ] Computed and/alt/rep : 471/1801/471 causal constraints (skipped 3256 transitions) in 215 ms.
[2023-03-12 15:53:41] [INFO ] Added : 5 causal constraints over 1 iterations in 476 ms. Result :sat
Current structural bounds on expressions (after SMT) : [-1, -1, 1, -1, 1, 1] Max seen :[0, 1, 0, 0, 0, 0]
Support contains 6 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 278 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.12 ms
Discarding 2 places :
Also discarding 0 output transitions
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 2 place count 277 transition count 3871
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 277 transition count 3871
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -6
Deduced a syphon composed of 2 places in 6 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 7 place count 275 transition count 3877
Free-agglomeration rule applied 6 times.
Iterating global reduction 0 with 6 rules applied. Total rules applied 13 place count 275 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 269 transition count 3871
Applied a total of 19 rules in 383 ms. Remains 269 /280 variables (removed 11) and now considering 3871/3904 (removed 33) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 384 ms. Remains : 269/280 places, 3871/3904 transitions.
Normalized transition count is 3699 out of 3871 initially.
// Phase 1: matrix 3699 rows 269 cols
[2023-03-12 15:53:43] [INFO ] Computed 8 place invariants in 18 ms
Incomplete random walk after 1000033 steps, including 2 resets, run finished after 908 ms. (steps per millisecond=1101 ) properties (out of 6) seen :1
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1782 ms. (steps per millisecond=561 ) properties (out of 6) seen :1
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1838 ms. (steps per millisecond=544 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1725 ms. (steps per millisecond=579 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1937 ms. (steps per millisecond=516 ) properties (out of 6) seen :1
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1886 ms. (steps per millisecond=530 ) properties (out of 6) seen :1
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1771 ms. (steps per millisecond=564 ) properties (out of 6) seen :0
[2023-03-12 15:53:55] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
// Phase 1: matrix 3699 rows 269 cols
[2023-03-12 15:53:55] [INFO ] Computed 8 place invariants in 34 ms
[2023-03-12 15:53:55] [INFO ] [Real]Absence check using 8 positive place invariants in 3 ms returned sat
[2023-03-12 15:53:55] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-12 15:53:55] [INFO ] [Real]Absence check using state equation in 427 ms returned sat
[2023-03-12 15:53:55] [INFO ] Solution in real domain found non-integer solution.
[2023-03-12 15:53:55] [INFO ] [Nat]Absence check using 8 positive place invariants in 4 ms returned sat
[2023-03-12 15:53:55] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-12 15:53:56] [INFO ] [Nat]Absence check using state equation in 456 ms returned sat
[2023-03-12 15:53:56] [INFO ] State equation strengthened by 283 read => feed constraints.
[2023-03-12 15:53:56] [INFO ] [Nat]Added 283 Read/Feed constraints in 247 ms returned sat
[2023-03-12 15:53:56] [INFO ] Deduced a trap composed of 17 places in 355 ms of which 1 ms to minimize.
[2023-03-12 15:53:57] [INFO ] Deduced a trap composed of 88 places in 296 ms of which 1 ms to minimize.
[2023-03-12 15:53:57] [INFO ] Deduced a trap composed of 64 places in 307 ms of which 1 ms to minimize.
[2023-03-12 15:53:57] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 1235 ms
[2023-03-12 15:53:57] [INFO ] Computed and/alt/rep : 458/1718/458 causal constraints (skipped 3240 transitions) in 217 ms.
[2023-03-12 15:53:59] [INFO ] Deduced a trap composed of 26 places in 253 ms of which 0 ms to minimize.
[2023-03-12 15:53:59] [INFO ] Deduced a trap composed of 30 places in 251 ms of which 1 ms to minimize.
[2023-03-12 15:53:59] [INFO ] Deduced a trap composed of 67 places in 231 ms of which 0 ms to minimize.
[2023-03-12 15:54:00] [INFO ] Deduced a trap composed of 59 places in 241 ms of which 1 ms to minimize.
[2023-03-12 15:54:00] [INFO ] Deduced a trap composed of 59 places in 238 ms of which 0 ms to minimize.
[2023-03-12 15:54:00] [INFO ] Trap strengthening (SAT) tested/added 6/5 trap constraints in 1896 ms
[2023-03-12 15:54:00] [INFO ] Added : 16 causal constraints over 5 iterations in 3246 ms. Result :sat
[2023-03-12 15:54:01] [INFO ] [Real]Absence check using 8 positive place invariants in 3 ms returned sat
[2023-03-12 15:54:01] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-12 15:54:01] [INFO ] [Real]Absence check using state equation in 465 ms returned sat
[2023-03-12 15:54:01] [INFO ] Solution in real domain found non-integer solution.
[2023-03-12 15:54:01] [INFO ] [Nat]Absence check using 8 positive place invariants in 5 ms returned sat
[2023-03-12 15:54:01] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-12 15:54:02] [INFO ] [Nat]Absence check using state equation in 503 ms returned sat
[2023-03-12 15:54:02] [INFO ] [Nat]Added 283 Read/Feed constraints in 129 ms returned sat
[2023-03-12 15:54:02] [INFO ] Computed and/alt/rep : 458/1718/458 causal constraints (skipped 3240 transitions) in 274 ms.
[2023-03-12 15:54:02] [INFO ] Added : 4 causal constraints over 1 iterations in 542 ms. Result :sat
[2023-03-12 15:54:03] [INFO ] [Real]Absence check using 8 positive place invariants in 4 ms returned sat
[2023-03-12 15:54:03] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-12 15:54:03] [INFO ] [Real]Absence check using state equation in 543 ms returned sat
[2023-03-12 15:54:03] [INFO ] Solution in real domain found non-integer solution.
[2023-03-12 15:54:03] [INFO ] [Nat]Absence check using 8 positive place invariants in 3 ms returned sat
[2023-03-12 15:54:03] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-12 15:54:04] [INFO ] [Nat]Absence check using state equation in 466 ms returned sat
[2023-03-12 15:54:04] [INFO ] [Nat]Added 283 Read/Feed constraints in 74 ms returned sat
[2023-03-12 15:54:04] [INFO ] Computed and/alt/rep : 458/1718/458 causal constraints (skipped 3240 transitions) in 306 ms.
[2023-03-12 15:54:05] [INFO ] Deduced a trap composed of 7 places in 501 ms of which 0 ms to minimize.
[2023-03-12 15:54:05] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 711 ms
[2023-03-12 15:54:06] [INFO ] Added : 10 causal constraints over 3 iterations in 1808 ms. Result :sat
[2023-03-12 15:54:06] [INFO ] [Real]Absence check using 8 positive place invariants in 3 ms returned sat
[2023-03-12 15:54:06] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-12 15:54:06] [INFO ] [Real]Absence check using state equation in 500 ms returned sat
[2023-03-12 15:54:06] [INFO ] Solution in real domain found non-integer solution.
[2023-03-12 15:54:06] [INFO ] [Nat]Absence check using 8 positive place invariants in 5 ms returned sat
[2023-03-12 15:54:06] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-12 15:54:07] [INFO ] [Nat]Absence check using state equation in 492 ms returned sat
[2023-03-12 15:54:07] [INFO ] [Nat]Added 283 Read/Feed constraints in 335 ms returned sat
[2023-03-12 15:54:08] [INFO ] Deduced a trap composed of 19 places in 301 ms of which 0 ms to minimize.
[2023-03-12 15:54:08] [INFO ] Deduced a trap composed of 23 places in 193 ms of which 1 ms to minimize.
[2023-03-12 15:54:08] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 727 ms
[2023-03-12 15:54:08] [INFO ] Computed and/alt/rep : 458/1718/458 causal constraints (skipped 3240 transitions) in 242 ms.
[2023-03-12 15:54:09] [INFO ] Added : 8 causal constraints over 2 iterations in 766 ms. Result :sat
[2023-03-12 15:54:09] [INFO ] [Real]Absence check using 8 positive place invariants in 4 ms returned sat
[2023-03-12 15:54:09] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-12 15:54:09] [INFO ] [Real]Absence check using state equation in 484 ms returned sat
[2023-03-12 15:54:09] [INFO ] Solution in real domain found non-integer solution.
[2023-03-12 15:54:09] [INFO ] [Nat]Absence check using 8 positive place invariants in 3 ms returned sat
[2023-03-12 15:54:09] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-12 15:54:10] [INFO ] [Nat]Absence check using state equation in 536 ms returned sat
[2023-03-12 15:54:10] [INFO ] [Nat]Added 283 Read/Feed constraints in 261 ms returned sat
[2023-03-12 15:54:11] [INFO ] Deduced a trap composed of 56 places in 214 ms of which 0 ms to minimize.
[2023-03-12 15:54:11] [INFO ] Deduced a trap composed of 10 places in 211 ms of which 1 ms to minimize.
[2023-03-12 15:54:11] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 608 ms
[2023-03-12 15:54:11] [INFO ] Computed and/alt/rep : 458/1718/458 causal constraints (skipped 3240 transitions) in 227 ms.
[2023-03-12 15:54:12] [INFO ] Deduced a trap composed of 20 places in 275 ms of which 4 ms to minimize.
[2023-03-12 15:54:12] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 485 ms
[2023-03-12 15:54:12] [INFO ] Added : 8 causal constraints over 2 iterations in 1338 ms. Result :sat
[2023-03-12 15:54:12] [INFO ] [Real]Absence check using 8 positive place invariants in 5 ms returned sat
[2023-03-12 15:54:12] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-12 15:54:13] [INFO ] [Real]Absence check using state equation in 520 ms returned sat
[2023-03-12 15:54:13] [INFO ] Solution in real domain found non-integer solution.
[2023-03-12 15:54:13] [INFO ] [Nat]Absence check using 8 positive place invariants in 3 ms returned sat
[2023-03-12 15:54:13] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-12 15:54:13] [INFO ] [Nat]Absence check using state equation in 432 ms returned sat
[2023-03-12 15:54:14] [INFO ] [Nat]Added 283 Read/Feed constraints in 94 ms returned sat
[2023-03-12 15:54:14] [INFO ] Deduced a trap composed of 93 places in 326 ms of which 1 ms to minimize.
[2023-03-12 15:54:14] [INFO ] Deduced a trap composed of 52 places in 272 ms of which 0 ms to minimize.
[2023-03-12 15:54:14] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 805 ms
[2023-03-12 15:54:15] [INFO ] Computed and/alt/rep : 458/1718/458 causal constraints (skipped 3240 transitions) in 223 ms.
[2023-03-12 15:54:15] [INFO ] Added : 3 causal constraints over 1 iterations in 530 ms. Result :sat
Current structural bounds on expressions (after SMT) : [-1, -1, 1, -1, 1, 1] Max seen :[0, 1, 0, 0, 0, 0]
Support contains 6 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 80 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 80 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 84 ms. Remains 269 /269 variables (removed 0) and now considering 3871/3871 (removed 0) transitions.
[2023-03-12 15:54:15] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
[2023-03-12 15:54:15] [INFO ] Invariant cache hit.
[2023-03-12 15:54:16] [INFO ] Implicit Places using invariants in 605 ms returned []
[2023-03-12 15:54:16] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
[2023-03-12 15:54:16] [INFO ] Invariant cache hit.
[2023-03-12 15:54:17] [INFO ] State equation strengthened by 283 read => feed constraints.
[2023-03-12 15:54:18] [INFO ] Implicit Places using invariants and state equation in 1717 ms returned []
Implicit Place search using SMT with State Equation took 2325 ms to find 0 implicit places.
[2023-03-12 15:54:18] [INFO ] Redundant transitions in 335 ms returned []
[2023-03-12 15:54:18] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
[2023-03-12 15:54:18] [INFO ] Invariant cache hit.
[2023-03-12 15:54:19] [INFO ] Dead Transitions using invariants and state equation in 968 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3733 ms. Remains : 269/269 places, 3871/3871 transitions.
Starting property specific reduction for BugTracking-PT-q8m064-UpperBounds-00
Normalized transition count is 3699 out of 3871 initially.
// Phase 1: matrix 3699 rows 269 cols
[2023-03-12 15:54:19] [INFO ] Computed 8 place invariants in 11 ms
Incomplete random walk after 10059 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=1117 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 1) seen :0
[2023-03-12 15:54:19] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
// Phase 1: matrix 3699 rows 269 cols
[2023-03-12 15:54:19] [INFO ] Computed 8 place invariants in 23 ms
[2023-03-12 15:54:19] [INFO ] [Real]Absence check using 8 positive place invariants in 3 ms returned sat
[2023-03-12 15:54:19] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-12 15:54:20] [INFO ] [Real]Absence check using state equation in 428 ms returned sat
[2023-03-12 15:54:20] [INFO ] Solution in real domain found non-integer solution.
[2023-03-12 15:54:20] [INFO ] [Nat]Absence check using 8 positive place invariants in 3 ms returned sat
[2023-03-12 15:54:20] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-12 15:54:20] [INFO ] [Nat]Absence check using state equation in 431 ms returned sat
[2023-03-12 15:54:20] [INFO ] State equation strengthened by 283 read => feed constraints.
[2023-03-12 15:54:20] [INFO ] [Nat]Added 283 Read/Feed constraints in 250 ms returned sat
[2023-03-12 15:54:21] [INFO ] Deduced a trap composed of 17 places in 358 ms of which 0 ms to minimize.
[2023-03-12 15:54:21] [INFO ] Deduced a trap composed of 88 places in 331 ms of which 0 ms to minimize.
[2023-03-12 15:54:22] [INFO ] Deduced a trap composed of 64 places in 319 ms of which 1 ms to minimize.
[2023-03-12 15:54:22] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 1308 ms
[2023-03-12 15:54:22] [INFO ] Computed and/alt/rep : 458/1718/458 causal constraints (skipped 3240 transitions) in 218 ms.
[2023-03-12 15:54:23] [INFO ] Deduced a trap composed of 26 places in 197 ms of which 0 ms to minimize.
[2023-03-12 15:54:23] [INFO ] Deduced a trap composed of 30 places in 200 ms of which 1 ms to minimize.
[2023-03-12 15:54:24] [INFO ] Deduced a trap composed of 67 places in 201 ms of which 0 ms to minimize.
[2023-03-12 15:54:24] [INFO ] Deduced a trap composed of 59 places in 194 ms of which 0 ms to minimize.
[2023-03-12 15:54:24] [INFO ] Deduced a trap composed of 59 places in 230 ms of which 0 ms to minimize.
[2023-03-12 15:54:24] [INFO ] Trap strengthening (SAT) tested/added 6/5 trap constraints in 1658 ms
[2023-03-12 15:54:25] [INFO ] Added : 16 causal constraints over 5 iterations in 2908 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 54 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 55 ms. Remains : 269/269 places, 3871/3871 transitions.
Normalized transition count is 3699 out of 3871 initially.
// Phase 1: matrix 3699 rows 269 cols
[2023-03-12 15:54:25] [INFO ] Computed 8 place invariants in 13 ms
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 902 ms. (steps per millisecond=1108 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1770 ms. (steps per millisecond=564 ) properties (out of 1) seen :0
[2023-03-12 15:54:27] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
// Phase 1: matrix 3699 rows 269 cols
[2023-03-12 15:54:28] [INFO ] Computed 8 place invariants in 11 ms
[2023-03-12 15:54:28] [INFO ] [Real]Absence check using 8 positive place invariants in 3 ms returned sat
[2023-03-12 15:54:28] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-12 15:54:28] [INFO ] [Real]Absence check using state equation in 441 ms returned sat
[2023-03-12 15:54:28] [INFO ] Solution in real domain found non-integer solution.
[2023-03-12 15:54:28] [INFO ] [Nat]Absence check using 8 positive place invariants in 3 ms returned sat
[2023-03-12 15:54:28] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-12 15:54:29] [INFO ] [Nat]Absence check using state equation in 424 ms returned sat
[2023-03-12 15:54:29] [INFO ] State equation strengthened by 283 read => feed constraints.
[2023-03-12 15:54:29] [INFO ] [Nat]Added 283 Read/Feed constraints in 240 ms returned sat
[2023-03-12 15:54:29] [INFO ] Deduced a trap composed of 17 places in 395 ms of which 1 ms to minimize.
[2023-03-12 15:54:30] [INFO ] Deduced a trap composed of 88 places in 398 ms of which 0 ms to minimize.
[2023-03-12 15:54:30] [INFO ] Deduced a trap composed of 64 places in 336 ms of which 0 ms to minimize.
[2023-03-12 15:54:30] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 1446 ms
[2023-03-12 15:54:30] [INFO ] Computed and/alt/rep : 458/1718/458 causal constraints (skipped 3240 transitions) in 286 ms.
[2023-03-12 15:54:32] [INFO ] Deduced a trap composed of 26 places in 209 ms of which 0 ms to minimize.
[2023-03-12 15:54:32] [INFO ] Deduced a trap composed of 30 places in 215 ms of which 1 ms to minimize.
[2023-03-12 15:54:32] [INFO ] Deduced a trap composed of 67 places in 194 ms of which 1 ms to minimize.
[2023-03-12 15:54:32] [INFO ] Deduced a trap composed of 59 places in 187 ms of which 1 ms to minimize.
[2023-03-12 15:54:33] [INFO ] Deduced a trap composed of 59 places in 214 ms of which 0 ms to minimize.
[2023-03-12 15:54:33] [INFO ] Trap strengthening (SAT) tested/added 6/5 trap constraints in 1608 ms
[2023-03-12 15:54:33] [INFO ] Added : 16 causal constraints over 5 iterations in 2970 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 57 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 58 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 107 ms. Remains 269 /269 variables (removed 0) and now considering 3871/3871 (removed 0) transitions.
[2023-03-12 15:54:33] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
[2023-03-12 15:54:34] [INFO ] Invariant cache hit.
[2023-03-12 15:54:34] [INFO ] Implicit Places using invariants in 356 ms returned []
[2023-03-12 15:54:34] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
[2023-03-12 15:54:34] [INFO ] Invariant cache hit.
[2023-03-12 15:54:34] [INFO ] State equation strengthened by 283 read => feed constraints.
[2023-03-12 15:54:36] [INFO ] Implicit Places using invariants and state equation in 1836 ms returned []
Implicit Place search using SMT with State Equation took 2194 ms to find 0 implicit places.
[2023-03-12 15:54:36] [INFO ] Redundant transitions in 255 ms returned []
[2023-03-12 15:54:36] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
[2023-03-12 15:54:36] [INFO ] Invariant cache hit.
[2023-03-12 15:54:37] [INFO ] Dead Transitions using invariants and state equation in 964 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3526 ms. Remains : 269/269 places, 3871/3871 transitions.
Ending property specific reduction for BugTracking-PT-q8m064-UpperBounds-00 in 17851 ms.
Starting property specific reduction for BugTracking-PT-q8m064-UpperBounds-02
Normalized transition count is 3699 out of 3871 initially.
// Phase 1: matrix 3699 rows 269 cols
[2023-03-12 15:54:37] [INFO ] Computed 8 place invariants in 9 ms
Incomplete random walk after 10010 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=910 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=526 ) properties (out of 1) seen :1
[2023-03-12 15:54:37] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
// Phase 1: matrix 3699 rows 269 cols
[2023-03-12 15:54:37] [INFO ] Computed 8 place invariants in 9 ms
[2023-03-12 15:54:37] [INFO ] [Real]Absence check using 8 positive place invariants in 3 ms returned sat
[2023-03-12 15:54:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-12 15:54:37] [INFO ] [Real]Absence check using state equation in 431 ms returned sat
[2023-03-12 15:54:38] [INFO ] Solution in real domain found non-integer solution.
[2023-03-12 15:54:38] [INFO ] [Nat]Absence check using 8 positive place invariants in 3 ms returned sat
[2023-03-12 15:54:38] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-12 15:54:38] [INFO ] [Nat]Absence check using state equation in 486 ms returned sat
[2023-03-12 15:54:38] [INFO ] State equation strengthened by 283 read => feed constraints.
[2023-03-12 15:54:38] [INFO ] [Nat]Added 283 Read/Feed constraints in 125 ms returned sat
[2023-03-12 15:54:38] [INFO ] Computed and/alt/rep : 458/1718/458 causal constraints (skipped 3240 transitions) in 226 ms.
[2023-03-12 15:54:39] [INFO ] Added : 4 causal constraints over 1 iterations in 564 ms. Result :sat
Current structural bounds on expressions (after SMT) : [-1] Max seen :[1]
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 52 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 54 ms. Remains : 269/269 places, 3871/3871 transitions.
Normalized transition count is 3699 out of 3871 initially.
// Phase 1: matrix 3699 rows 269 cols
[2023-03-12 15:54:39] [INFO ] Computed 8 place invariants in 20 ms
Incomplete random walk after 1000053 steps, including 2 resets, run finished after 1016 ms. (steps per millisecond=984 ) properties (out of 1) seen :1
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1743 ms. (steps per millisecond=573 ) properties (out of 1) seen :1
[2023-03-12 15:54:42] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
// Phase 1: matrix 3699 rows 269 cols
[2023-03-12 15:54:42] [INFO ] Computed 8 place invariants in 10 ms
[2023-03-12 15:54:42] [INFO ] [Real]Absence check using 8 positive place invariants in 5 ms returned sat
[2023-03-12 15:54:42] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-12 15:54:42] [INFO ] [Real]Absence check using state equation in 500 ms returned sat
[2023-03-12 15:54:42] [INFO ] Solution in real domain found non-integer solution.
[2023-03-12 15:54:42] [INFO ] [Nat]Absence check using 8 positive place invariants in 3 ms returned sat
[2023-03-12 15:54:42] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-12 15:54:43] [INFO ] [Nat]Absence check using state equation in 437 ms returned sat
[2023-03-12 15:54:43] [INFO ] State equation strengthened by 283 read => feed constraints.
[2023-03-12 15:54:43] [INFO ] [Nat]Added 283 Read/Feed constraints in 124 ms returned sat
[2023-03-12 15:54:43] [INFO ] Computed and/alt/rep : 458/1718/458 causal constraints (skipped 3240 transitions) in 258 ms.
[2023-03-12 15:54:44] [INFO ] Added : 4 causal constraints over 1 iterations in 662 ms. Result :sat
Current structural bounds on expressions (after SMT) : [-1] Max seen :[1]
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 65 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 65 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 61 ms. Remains 269 /269 variables (removed 0) and now considering 3871/3871 (removed 0) transitions.
[2023-03-12 15:54:44] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
[2023-03-12 15:54:44] [INFO ] Invariant cache hit.
[2023-03-12 15:54:44] [INFO ] Implicit Places using invariants in 395 ms returned []
[2023-03-12 15:54:44] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
[2023-03-12 15:54:44] [INFO ] Invariant cache hit.
[2023-03-12 15:54:45] [INFO ] State equation strengthened by 283 read => feed constraints.
[2023-03-12 15:54:46] [INFO ] Implicit Places using invariants and state equation in 1802 ms returned []
Implicit Place search using SMT with State Equation took 2207 ms to find 0 implicit places.
[2023-03-12 15:54:46] [INFO ] Redundant transitions in 112 ms returned []
[2023-03-12 15:54:46] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
[2023-03-12 15:54:46] [INFO ] Invariant cache hit.
[2023-03-12 15:54:47] [INFO ] Dead Transitions using invariants and state equation in 999 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3387 ms. Remains : 269/269 places, 3871/3871 transitions.
Ending property specific reduction for BugTracking-PT-q8m064-UpperBounds-02 in 10470 ms.
Starting property specific reduction for BugTracking-PT-q8m064-UpperBounds-03
Normalized transition count is 3699 out of 3871 initially.
// Phase 1: matrix 3699 rows 269 cols
[2023-03-12 15:54:47] [INFO ] Computed 8 place invariants in 9 ms
Incomplete random walk after 10049 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=1004 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 17 ms. (steps per millisecond=588 ) properties (out of 1) seen :0
[2023-03-12 15:54:47] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
// Phase 1: matrix 3699 rows 269 cols
[2023-03-12 15:54:47] [INFO ] Computed 8 place invariants in 9 ms
[2023-03-12 15:54:47] [INFO ] [Real]Absence check using 8 positive place invariants in 2 ms returned sat
[2023-03-12 15:54:47] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-12 15:54:48] [INFO ] [Real]Absence check using state equation in 426 ms returned sat
[2023-03-12 15:54:48] [INFO ] Solution in real domain found non-integer solution.
[2023-03-12 15:54:48] [INFO ] [Nat]Absence check using 8 positive place invariants in 5 ms returned sat
[2023-03-12 15:54:48] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-12 15:54:49] [INFO ] [Nat]Absence check using state equation in 495 ms returned sat
[2023-03-12 15:54:49] [INFO ] State equation strengthened by 283 read => feed constraints.
[2023-03-12 15:54:49] [INFO ] [Nat]Added 283 Read/Feed constraints in 72 ms returned sat
[2023-03-12 15:54:49] [INFO ] Computed and/alt/rep : 458/1718/458 causal constraints (skipped 3240 transitions) in 230 ms.
[2023-03-12 15:54:50] [INFO ] Deduced a trap composed of 7 places in 456 ms of which 1 ms to minimize.
[2023-03-12 15:54:50] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 713 ms
[2023-03-12 15:54:51] [INFO ] Added : 10 causal constraints over 3 iterations in 1882 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 60 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 63 ms. Remains : 269/269 places, 3871/3871 transitions.
Normalized transition count is 3699 out of 3871 initially.
// Phase 1: matrix 3699 rows 269 cols
[2023-03-12 15:54:51] [INFO ] Computed 8 place invariants in 11 ms
Incomplete random walk after 1000052 steps, including 2 resets, run finished after 811 ms. (steps per millisecond=1233 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1714 ms. (steps per millisecond=583 ) properties (out of 1) seen :0
[2023-03-12 15:54:53] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
// Phase 1: matrix 3699 rows 269 cols
[2023-03-12 15:54:53] [INFO ] Computed 8 place invariants in 9 ms
[2023-03-12 15:54:53] [INFO ] [Real]Absence check using 8 positive place invariants in 2 ms returned sat
[2023-03-12 15:54:53] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-12 15:54:54] [INFO ] [Real]Absence check using state equation in 425 ms returned sat
[2023-03-12 15:54:54] [INFO ] Solution in real domain found non-integer solution.
[2023-03-12 15:54:54] [INFO ] [Nat]Absence check using 8 positive place invariants in 5 ms returned sat
[2023-03-12 15:54:54] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-12 15:54:54] [INFO ] [Nat]Absence check using state equation in 432 ms returned sat
[2023-03-12 15:54:54] [INFO ] State equation strengthened by 283 read => feed constraints.
[2023-03-12 15:54:54] [INFO ] [Nat]Added 283 Read/Feed constraints in 59 ms returned sat
[2023-03-12 15:54:55] [INFO ] Computed and/alt/rep : 458/1718/458 causal constraints (skipped 3240 transitions) in 228 ms.
[2023-03-12 15:54:56] [INFO ] Deduced a trap composed of 7 places in 452 ms of which 1 ms to minimize.
[2023-03-12 15:54:56] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 665 ms
[2023-03-12 15:54:56] [INFO ] Added : 10 causal constraints over 3 iterations in 1730 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 49 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 50 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 50 ms. Remains 269 /269 variables (removed 0) and now considering 3871/3871 (removed 0) transitions.
[2023-03-12 15:54:56] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
[2023-03-12 15:54:56] [INFO ] Invariant cache hit.
[2023-03-12 15:54:57] [INFO ] Implicit Places using invariants in 435 ms returned []
[2023-03-12 15:54:57] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
[2023-03-12 15:54:57] [INFO ] Invariant cache hit.
[2023-03-12 15:54:57] [INFO ] State equation strengthened by 283 read => feed constraints.
[2023-03-12 15:54:59] [INFO ] Implicit Places using invariants and state equation in 1931 ms returned []
Implicit Place search using SMT with State Equation took 2367 ms to find 0 implicit places.
[2023-03-12 15:54:59] [INFO ] Redundant transitions in 146 ms returned []
[2023-03-12 15:54:59] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
[2023-03-12 15:54:59] [INFO ] Invariant cache hit.
[2023-03-12 15:55:00] [INFO ] Dead Transitions using invariants and state equation in 1032 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3600 ms. Remains : 269/269 places, 3871/3871 transitions.
Ending property specific reduction for BugTracking-PT-q8m064-UpperBounds-03 in 12669 ms.
Starting property specific reduction for BugTracking-PT-q8m064-UpperBounds-05
Normalized transition count is 3699 out of 3871 initially.
// Phase 1: matrix 3699 rows 269 cols
[2023-03-12 15:55:00] [INFO ] Computed 8 place invariants in 11 ms
Incomplete random walk after 10018 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=1001 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=526 ) properties (out of 1) seen :0
[2023-03-12 15:55:00] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
// Phase 1: matrix 3699 rows 269 cols
[2023-03-12 15:55:00] [INFO ] Computed 8 place invariants in 10 ms
[2023-03-12 15:55:00] [INFO ] [Real]Absence check using 8 positive place invariants in 2 ms returned sat
[2023-03-12 15:55:00] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-12 15:55:01] [INFO ] [Real]Absence check using state equation in 426 ms returned sat
[2023-03-12 15:55:01] [INFO ] Solution in real domain found non-integer solution.
[2023-03-12 15:55:01] [INFO ] [Nat]Absence check using 8 positive place invariants in 3 ms returned sat
[2023-03-12 15:55:01] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-12 15:55:01] [INFO ] [Nat]Absence check using state equation in 554 ms returned sat
[2023-03-12 15:55:01] [INFO ] State equation strengthened by 283 read => feed constraints.
[2023-03-12 15:55:02] [INFO ] [Nat]Added 283 Read/Feed constraints in 341 ms returned sat
[2023-03-12 15:55:02] [INFO ] Deduced a trap composed of 19 places in 287 ms of which 3 ms to minimize.
[2023-03-12 15:55:02] [INFO ] Deduced a trap composed of 23 places in 218 ms of which 1 ms to minimize.
[2023-03-12 15:55:02] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 689 ms
[2023-03-12 15:55:02] [INFO ] Computed and/alt/rep : 458/1718/458 causal constraints (skipped 3240 transitions) in 217 ms.
[2023-03-12 15:55:03] [INFO ] Added : 8 causal constraints over 2 iterations in 709 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 91 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 93 ms. Remains : 269/269 places, 3871/3871 transitions.
Normalized transition count is 3699 out of 3871 initially.
// Phase 1: matrix 3699 rows 269 cols
[2023-03-12 15:55:03] [INFO ] Computed 8 place invariants in 11 ms
Incomplete random walk after 1000056 steps, including 2 resets, run finished after 1003 ms. (steps per millisecond=997 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1721 ms. (steps per millisecond=581 ) properties (out of 1) seen :0
[2023-03-12 15:55:06] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
// Phase 1: matrix 3699 rows 269 cols
[2023-03-12 15:55:06] [INFO ] Computed 8 place invariants in 22 ms
[2023-03-12 15:55:06] [INFO ] [Real]Absence check using 8 positive place invariants in 3 ms returned sat
[2023-03-12 15:55:06] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-12 15:55:07] [INFO ] [Real]Absence check using state equation in 477 ms returned sat
[2023-03-12 15:55:07] [INFO ] Solution in real domain found non-integer solution.
[2023-03-12 15:55:07] [INFO ] [Nat]Absence check using 8 positive place invariants in 3 ms returned sat
[2023-03-12 15:55:07] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-12 15:55:07] [INFO ] [Nat]Absence check using state equation in 498 ms returned sat
[2023-03-12 15:55:07] [INFO ] State equation strengthened by 283 read => feed constraints.
[2023-03-12 15:55:08] [INFO ] [Nat]Added 283 Read/Feed constraints in 317 ms returned sat
[2023-03-12 15:55:08] [INFO ] Deduced a trap composed of 19 places in 235 ms of which 0 ms to minimize.
[2023-03-12 15:55:08] [INFO ] Deduced a trap composed of 23 places in 163 ms of which 0 ms to minimize.
[2023-03-12 15:55:08] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 580 ms
[2023-03-12 15:55:08] [INFO ] Computed and/alt/rep : 458/1718/458 causal constraints (skipped 3240 transitions) in 226 ms.
[2023-03-12 15:55:09] [INFO ] Added : 8 causal constraints over 2 iterations in 589 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 82 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 82 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 66 ms. Remains 269 /269 variables (removed 0) and now considering 3871/3871 (removed 0) transitions.
[2023-03-12 15:55:09] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
[2023-03-12 15:55:09] [INFO ] Invariant cache hit.
[2023-03-12 15:55:09] [INFO ] Implicit Places using invariants in 381 ms returned []
[2023-03-12 15:55:09] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
[2023-03-12 15:55:09] [INFO ] Invariant cache hit.
[2023-03-12 15:55:10] [INFO ] State equation strengthened by 283 read => feed constraints.
[2023-03-12 15:55:11] [INFO ] Implicit Places using invariants and state equation in 1701 ms returned []
Implicit Place search using SMT with State Equation took 2083 ms to find 0 implicit places.
[2023-03-12 15:55:11] [INFO ] Redundant transitions in 112 ms returned []
[2023-03-12 15:55:11] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
[2023-03-12 15:55:11] [INFO ] Invariant cache hit.
[2023-03-12 15:55:12] [INFO ] Dead Transitions using invariants and state equation in 1013 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3281 ms. Remains : 269/269 places, 3871/3871 transitions.
Ending property specific reduction for BugTracking-PT-q8m064-UpperBounds-05 in 12180 ms.
Starting property specific reduction for BugTracking-PT-q8m064-UpperBounds-09
Normalized transition count is 3699 out of 3871 initially.
// Phase 1: matrix 3699 rows 269 cols
[2023-03-12 15:55:12] [INFO ] Computed 8 place invariants in 9 ms
Incomplete random walk after 10002 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=769 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 1) seen :0
[2023-03-12 15:55:12] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
// Phase 1: matrix 3699 rows 269 cols
[2023-03-12 15:55:12] [INFO ] Computed 8 place invariants in 11 ms
[2023-03-12 15:55:12] [INFO ] [Real]Absence check using 8 positive place invariants in 2 ms returned sat
[2023-03-12 15:55:12] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-12 15:55:13] [INFO ] [Real]Absence check using state equation in 430 ms returned sat
[2023-03-12 15:55:13] [INFO ] Solution in real domain found non-integer solution.
[2023-03-12 15:55:13] [INFO ] [Nat]Absence check using 8 positive place invariants in 3 ms returned sat
[2023-03-12 15:55:13] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-12 15:55:13] [INFO ] [Nat]Absence check using state equation in 436 ms returned sat
[2023-03-12 15:55:13] [INFO ] State equation strengthened by 283 read => feed constraints.
[2023-03-12 15:55:14] [INFO ] [Nat]Added 283 Read/Feed constraints in 242 ms returned sat
[2023-03-12 15:55:14] [INFO ] Deduced a trap composed of 56 places in 218 ms of which 0 ms to minimize.
[2023-03-12 15:55:14] [INFO ] Deduced a trap composed of 10 places in 206 ms of which 0 ms to minimize.
[2023-03-12 15:55:14] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 617 ms
[2023-03-12 15:55:14] [INFO ] Computed and/alt/rep : 458/1718/458 causal constraints (skipped 3240 transitions) in 219 ms.
[2023-03-12 15:55:15] [INFO ] Deduced a trap composed of 20 places in 191 ms of which 0 ms to minimize.
[2023-03-12 15:55:15] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 349 ms
[2023-03-12 15:55:15] [INFO ] Added : 8 causal constraints over 2 iterations in 993 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 49 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 49 ms. Remains : 269/269 places, 3871/3871 transitions.
Normalized transition count is 3699 out of 3871 initially.
// Phase 1: matrix 3699 rows 269 cols
[2023-03-12 15:55:15] [INFO ] Computed 8 place invariants in 20 ms
Incomplete random walk after 1000029 steps, including 2 resets, run finished after 783 ms. (steps per millisecond=1277 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1905 ms. (steps per millisecond=524 ) properties (out of 1) seen :0
[2023-03-12 15:55:18] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
// Phase 1: matrix 3699 rows 269 cols
[2023-03-12 15:55:18] [INFO ] Computed 8 place invariants in 9 ms
[2023-03-12 15:55:18] [INFO ] [Real]Absence check using 8 positive place invariants in 3 ms returned sat
[2023-03-12 15:55:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-12 15:55:19] [INFO ] [Real]Absence check using state equation in 435 ms returned sat
[2023-03-12 15:55:19] [INFO ] Solution in real domain found non-integer solution.
[2023-03-12 15:55:19] [INFO ] [Nat]Absence check using 8 positive place invariants in 3 ms returned sat
[2023-03-12 15:55:19] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-12 15:55:19] [INFO ] [Nat]Absence check using state equation in 467 ms returned sat
[2023-03-12 15:55:19] [INFO ] State equation strengthened by 283 read => feed constraints.
[2023-03-12 15:55:19] [INFO ] [Nat]Added 283 Read/Feed constraints in 245 ms returned sat
[2023-03-12 15:55:20] [INFO ] Deduced a trap composed of 56 places in 261 ms of which 0 ms to minimize.
[2023-03-12 15:55:20] [INFO ] Deduced a trap composed of 10 places in 232 ms of which 0 ms to minimize.
[2023-03-12 15:55:20] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 693 ms
[2023-03-12 15:55:20] [INFO ] Computed and/alt/rep : 458/1718/458 causal constraints (skipped 3240 transitions) in 229 ms.
[2023-03-12 15:55:21] [INFO ] Deduced a trap composed of 20 places in 237 ms of which 1 ms to minimize.
[2023-03-12 15:55:21] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 421 ms
[2023-03-12 15:55:21] [INFO ] Added : 8 causal constraints over 2 iterations in 1218 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 59 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 59 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 58 ms. Remains 269 /269 variables (removed 0) and now considering 3871/3871 (removed 0) transitions.
[2023-03-12 15:55:22] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
[2023-03-12 15:55:22] [INFO ] Invariant cache hit.
[2023-03-12 15:55:22] [INFO ] Implicit Places using invariants in 385 ms returned []
[2023-03-12 15:55:22] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
[2023-03-12 15:55:22] [INFO ] Invariant cache hit.
[2023-03-12 15:55:22] [INFO ] State equation strengthened by 283 read => feed constraints.
[2023-03-12 15:55:24] [INFO ] Implicit Places using invariants and state equation in 1846 ms returned []
Implicit Place search using SMT with State Equation took 2233 ms to find 0 implicit places.
[2023-03-12 15:55:24] [INFO ] Redundant transitions in 114 ms returned []
[2023-03-12 15:55:24] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
[2023-03-12 15:55:24] [INFO ] Invariant cache hit.
[2023-03-12 15:55:25] [INFO ] Dead Transitions using invariants and state equation in 947 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3359 ms. Remains : 269/269 places, 3871/3871 transitions.
Ending property specific reduction for BugTracking-PT-q8m064-UpperBounds-09 in 12635 ms.
Starting property specific reduction for BugTracking-PT-q8m064-UpperBounds-12
Normalized transition count is 3699 out of 3871 initially.
// Phase 1: matrix 3699 rows 269 cols
[2023-03-12 15:55:25] [INFO ] Computed 8 place invariants in 9 ms
Incomplete random walk after 10002 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=1000 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=526 ) properties (out of 1) seen :0
[2023-03-12 15:55:25] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
// Phase 1: matrix 3699 rows 269 cols
[2023-03-12 15:55:25] [INFO ] Computed 8 place invariants in 9 ms
[2023-03-12 15:55:25] [INFO ] [Real]Absence check using 8 positive place invariants in 3 ms returned sat
[2023-03-12 15:55:25] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-12 15:55:25] [INFO ] [Real]Absence check using state equation in 425 ms returned sat
[2023-03-12 15:55:25] [INFO ] Solution in real domain found non-integer solution.
[2023-03-12 15:55:25] [INFO ] [Nat]Absence check using 8 positive place invariants in 3 ms returned sat
[2023-03-12 15:55:25] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-12 15:55:26] [INFO ] [Nat]Absence check using state equation in 442 ms returned sat
[2023-03-12 15:55:26] [INFO ] State equation strengthened by 283 read => feed constraints.
[2023-03-12 15:55:26] [INFO ] [Nat]Added 283 Read/Feed constraints in 97 ms returned sat
[2023-03-12 15:55:26] [INFO ] Deduced a trap composed of 93 places in 303 ms of which 0 ms to minimize.
[2023-03-12 15:55:27] [INFO ] Deduced a trap composed of 52 places in 263 ms of which 2 ms to minimize.
[2023-03-12 15:55:27] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 757 ms
[2023-03-12 15:55:27] [INFO ] Computed and/alt/rep : 458/1718/458 causal constraints (skipped 3240 transitions) in 234 ms.
[2023-03-12 15:55:27] [INFO ] Added : 3 causal constraints over 1 iterations in 610 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 78 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 78 ms. Remains : 269/269 places, 3871/3871 transitions.
Normalized transition count is 3699 out of 3871 initially.
// Phase 1: matrix 3699 rows 269 cols
[2023-03-12 15:55:28] [INFO ] Computed 8 place invariants in 12 ms
Incomplete random walk after 1000061 steps, including 2 resets, run finished after 842 ms. (steps per millisecond=1187 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1857 ms. (steps per millisecond=538 ) properties (out of 1) seen :0
[2023-03-12 15:55:30] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
// Phase 1: matrix 3699 rows 269 cols
[2023-03-12 15:55:30] [INFO ] Computed 8 place invariants in 9 ms
[2023-03-12 15:55:30] [INFO ] [Real]Absence check using 8 positive place invariants in 3 ms returned sat
[2023-03-12 15:55:30] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-12 15:55:31] [INFO ] [Real]Absence check using state equation in 397 ms returned sat
[2023-03-12 15:55:31] [INFO ] Solution in real domain found non-integer solution.
[2023-03-12 15:55:31] [INFO ] [Nat]Absence check using 8 positive place invariants in 3 ms returned sat
[2023-03-12 15:55:31] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-12 15:55:31] [INFO ] [Nat]Absence check using state equation in 493 ms returned sat
[2023-03-12 15:55:31] [INFO ] State equation strengthened by 283 read => feed constraints.
[2023-03-12 15:55:32] [INFO ] [Nat]Added 283 Read/Feed constraints in 120 ms returned sat
[2023-03-12 15:55:32] [INFO ] Deduced a trap composed of 93 places in 371 ms of which 1 ms to minimize.
[2023-03-12 15:55:32] [INFO ] Deduced a trap composed of 52 places in 307 ms of which 1 ms to minimize.
[2023-03-12 15:55:32] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 902 ms
[2023-03-12 15:55:33] [INFO ] Computed and/alt/rep : 458/1718/458 causal constraints (skipped 3240 transitions) in 260 ms.
[2023-03-12 15:55:33] [INFO ] Added : 3 causal constraints over 1 iterations in 547 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 49 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 49 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 52 ms. Remains 269 /269 variables (removed 0) and now considering 3871/3871 (removed 0) transitions.
[2023-03-12 15:55:33] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
[2023-03-12 15:55:33] [INFO ] Invariant cache hit.
[2023-03-12 15:55:34] [INFO ] Implicit Places using invariants in 403 ms returned []
[2023-03-12 15:55:34] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
[2023-03-12 15:55:34] [INFO ] Invariant cache hit.
[2023-03-12 15:55:34] [INFO ] State equation strengthened by 283 read => feed constraints.
[2023-03-12 15:55:35] [INFO ] Implicit Places using invariants and state equation in 1762 ms returned []
Implicit Place search using SMT with State Equation took 2165 ms to find 0 implicit places.
[2023-03-12 15:55:35] [INFO ] Redundant transitions in 113 ms returned []
[2023-03-12 15:55:35] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
[2023-03-12 15:55:35] [INFO ] Invariant cache hit.
[2023-03-12 15:55:36] [INFO ] Dead Transitions using invariants and state equation in 988 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3326 ms. Remains : 269/269 places, 3871/3871 transitions.
Ending property specific reduction for BugTracking-PT-q8m064-UpperBounds-12 in 11616 ms.
[2023-03-12 15:55:37] [INFO ] Flatten gal took : 322 ms
[2023-03-12 15:55:37] [INFO ] Export to MCC of 6 properties in file /home/mcc/execution/UpperBounds.sr.xml took 8 ms.
[2023-03-12 15:55:37] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 269 places, 3871 transitions and 19045 arcs took 38 ms.
Total runtime 138516 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/957/ub_0_ --maxsum=/tmp/957/ub_1_ --maxsum=/tmp/957/ub_2_ --maxsum=/tmp/957/ub_3_ --maxsum=/tmp/957/ub_4_ --maxsum=/tmp/957/ub_5_
TIME LIMIT: Killed by timeout after 3600 seconds
MemTotal: 16393356 kB
MemFree: 15466460 kB
After kill :
MemTotal: 16393356 kB
MemFree: 16082456 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-q8m064"
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-q8m064, 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-167813694700429"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BugTracking-PT-q8m064.tgz
mv BugTracking-PT-q8m064 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 ;