fond
Model Checking Contest 2023
13th edition, Paris, France, April 26, 2023 (at TOOLympics II)
Execution of r169-tall-167838856100599
Last Updated
May 14, 2023

About the Execution of LTSMin+red for FlexibleBarrier-PT-22b

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
6386.004 3600000.00 14194317.00 424.60 ???TFTFT?TF?F?T? normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2023-input.r169-tall-167838856100599.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5348
Executing tool ltsminxred
Input is FlexibleBarrier-PT-22b, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r169-tall-167838856100599
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.2M
-rw-r--r-- 1 mcc users 8.0K Feb 25 12:33 CTLCardinality.txt
-rw-r--r-- 1 mcc users 88K Feb 25 12:33 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K Feb 25 12:33 CTLFireability.txt
-rw-r--r-- 1 mcc users 52K Feb 25 12:33 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K Jan 29 11:40 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.9K Feb 25 16:08 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Feb 25 16:08 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 16:08 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 16:08 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Feb 25 12:34 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 150K Feb 25 12:34 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.1K Feb 25 12:33 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 44K Feb 25 12:33 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 16:08 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 16:08 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 1.8M 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 booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME FlexibleBarrier-PT-22b-ReachabilityFireability-00
FORMULA_NAME FlexibleBarrier-PT-22b-ReachabilityFireability-01
FORMULA_NAME FlexibleBarrier-PT-22b-ReachabilityFireability-02
FORMULA_NAME FlexibleBarrier-PT-22b-ReachabilityFireability-03
FORMULA_NAME FlexibleBarrier-PT-22b-ReachabilityFireability-04
FORMULA_NAME FlexibleBarrier-PT-22b-ReachabilityFireability-05
FORMULA_NAME FlexibleBarrier-PT-22b-ReachabilityFireability-06
FORMULA_NAME FlexibleBarrier-PT-22b-ReachabilityFireability-07
FORMULA_NAME FlexibleBarrier-PT-22b-ReachabilityFireability-08
FORMULA_NAME FlexibleBarrier-PT-22b-ReachabilityFireability-09
FORMULA_NAME FlexibleBarrier-PT-22b-ReachabilityFireability-10
FORMULA_NAME FlexibleBarrier-PT-22b-ReachabilityFireability-11
FORMULA_NAME FlexibleBarrier-PT-22b-ReachabilityFireability-12
FORMULA_NAME FlexibleBarrier-PT-22b-ReachabilityFireability-13
FORMULA_NAME FlexibleBarrier-PT-22b-ReachabilityFireability-14
FORMULA_NAME FlexibleBarrier-PT-22b-ReachabilityFireability-15

=== Now, execution of the tool begins

BK_START 1678582064860

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=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FlexibleBarrier-PT-22b
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-12 00:47:46] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -timeout, 360, -rebuildPNML]
[2023-03-12 00:47:46] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-12 00:47:46] [INFO ] Load time of PNML (sax parser for PT used): 223 ms
[2023-03-12 00:47:46] [INFO ] Transformed 6478 places.
[2023-03-12 00:47:46] [INFO ] Transformed 7469 transitions.
[2023-03-12 00:47:46] [INFO ] Found NUPN structural information;
[2023-03-12 00:47:46] [INFO ] Parsed PT model containing 6478 places and 7469 transitions and 18797 arcs in 345 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 13 ms.
Working with output stream class java.io.PrintStream
Incomplete random walk after 10000 steps, including 67 resets, run finished after 726 ms. (steps per millisecond=13 ) properties (out of 16) seen :1
FORMULA FlexibleBarrier-PT-22b-ReachabilityFireability-12 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 1 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 1 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 1 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 15) seen :0
Interrupted probabilistic random walk after 114134 steps, run timeout after 3001 ms. (steps per millisecond=38 ) properties seen :{}
Probabilistic random walk after 114134 steps, saw 69976 distinct states, run finished after 3002 ms. (steps per millisecond=38 ) properties seen :0
Running SMT prover for 15 properties.
// Phase 1: matrix 7469 rows 6478 cols
[2023-03-12 00:47:50] [INFO ] Computed 24 place invariants in 267 ms
[2023-03-12 00:47:53] [INFO ] [Real]Absence check using 24 positive place invariants in 65 ms returned sat
[2023-03-12 00:47:54] [INFO ] After 2776ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:15
[2023-03-12 00:47:56] [INFO ] [Nat]Absence check using 24 positive place invariants in 57 ms returned sat
[2023-03-12 00:48:06] [INFO ] After 9467ms SMT Verify possible using state equation in natural domain returned unsat :2 sat :13
[2023-03-12 00:48:13] [INFO ] Deduced a trap composed of 2428 places in 5349 ms of which 11 ms to minimize.
[2023-03-12 00:48:18] [INFO ] Deduced a trap composed of 2369 places in 5125 ms of which 5 ms to minimize.
[2023-03-12 00:48:27] [INFO ] Deduced a trap composed of 14 places in 8004 ms of which 6 ms to minimize.
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.refineResultsWithTraps(DeadlockTester.java:736)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:656)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:350)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:902)
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 00:48:27] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-12 00:48:27] [INFO ] After 33055ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:15
FORMULA FlexibleBarrier-PT-22b-ReachabilityFireability-10 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA FlexibleBarrier-PT-22b-ReachabilityFireability-04 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Fused 15 Parikh solutions to 13 different solutions.
FORMULA FlexibleBarrier-PT-22b-ReachabilityFireability-05 TRUE TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA FlexibleBarrier-PT-22b-ReachabilityFireability-07 TRUE TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA FlexibleBarrier-PT-22b-ReachabilityFireability-09 TRUE TECHNIQUES TOPOLOGICAL PARIKH_WALK
Parikh walk visited 3 properties in 268 ms.
Support contains 91 out of 6478 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 6478/6478 places, 7469/7469 transitions.
Graph (trivial) has 4996 edges and 6478 vertex of which 74 / 6478 are part of one of the 12 SCC in 26 ms
Free SCC test removed 62 places
Drop transitions removed 75 transitions
Reduce isomorphic transitions removed 75 transitions.
Drop transitions removed 1088 transitions
Trivial Post-agglo rules discarded 1088 transitions
Performed 1088 trivial Post agglomeration. Transition count delta: 1088
Iterating post reduction 0 with 1088 rules applied. Total rules applied 1089 place count 6416 transition count 6306
Reduce places removed 1088 places and 0 transitions.
Performed 16 Post agglomeration using F-continuation condition.Transition count delta: 16
Iterating post reduction 1 with 1104 rules applied. Total rules applied 2193 place count 5328 transition count 6290
Reduce places removed 16 places and 0 transitions.
Iterating post reduction 2 with 16 rules applied. Total rules applied 2209 place count 5312 transition count 6290
Performed 888 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 888 Pre rules applied. Total rules applied 2209 place count 5312 transition count 5402
Deduced a syphon composed of 888 places in 5 ms
Reduce places removed 888 places and 0 transitions.
Iterating global reduction 3 with 1776 rules applied. Total rules applied 3985 place count 4424 transition count 5402
Discarding 2639 places :
Symmetric choice reduction at 3 with 2639 rule applications. Total rules 6624 place count 1785 transition count 2763
Iterating global reduction 3 with 2639 rules applied. Total rules applied 9263 place count 1785 transition count 2763
Performed 15 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 15 Pre rules applied. Total rules applied 9263 place count 1785 transition count 2748
Deduced a syphon composed of 15 places in 6 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 3 with 30 rules applied. Total rules applied 9293 place count 1770 transition count 2748
Discarding 406 places :
Symmetric choice reduction at 3 with 406 rule applications. Total rules 9699 place count 1364 transition count 2342
Iterating global reduction 3 with 406 rules applied. Total rules applied 10105 place count 1364 transition count 2342
Ensure Unique test removed 392 transitions
Reduce isomorphic transitions removed 392 transitions.
Iterating post reduction 3 with 392 rules applied. Total rules applied 10497 place count 1364 transition count 1950
Performed 142 Post agglomeration using F-continuation condition.Transition count delta: 142
Deduced a syphon composed of 142 places in 1 ms
Reduce places removed 142 places and 0 transitions.
Iterating global reduction 4 with 284 rules applied. Total rules applied 10781 place count 1222 transition count 1808
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 10 places in 2 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 4 with 20 rules applied. Total rules applied 10801 place count 1212 transition count 1808
Free-agglomeration rule applied 292 times.
Iterating global reduction 4 with 292 rules applied. Total rules applied 11093 place count 1212 transition count 1516
Reduce places removed 292 places and 0 transitions.
Iterating post reduction 4 with 292 rules applied. Total rules applied 11385 place count 920 transition count 1516
Discarding 12 places :
Symmetric choice reduction at 5 with 12 rule applications. Total rules 11397 place count 908 transition count 1504
Iterating global reduction 5 with 12 rules applied. Total rules applied 11409 place count 908 transition count 1504
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 5 with 12 rules applied. Total rules applied 11421 place count 908 transition count 1492
Drop transitions removed 19 transitions
Redundant transition composition rules discarded 19 transitions
Iterating global reduction 6 with 19 rules applied. Total rules applied 11440 place count 908 transition count 1473
Partial Free-agglomeration rule applied 10 times.
Drop transitions removed 10 transitions
Iterating global reduction 6 with 10 rules applied. Total rules applied 11450 place count 908 transition count 1473
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 6 with 1 rules applied. Total rules applied 11451 place count 907 transition count 1472
Applied a total of 11451 rules in 1723 ms. Remains 907 /6478 variables (removed 5571) and now considering 1472/7469 (removed 5997) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1724 ms. Remains : 907/6478 places, 1472/7469 transitions.
Incomplete random walk after 10000 steps, including 141 resets, run finished after 449 ms. (steps per millisecond=22 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 6 resets, run finished after 28 ms. (steps per millisecond=357 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 6 resets, run finished after 33 ms. (steps per millisecond=303 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 6 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 6 resets, run finished after 18 ms. (steps per millisecond=555 ) properties (out of 10) 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 10) seen :1
FORMULA FlexibleBarrier-PT-22b-ReachabilityFireability-06 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 6 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 6 resets, run finished after 18 ms. (steps per millisecond=555 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 7 resets, run finished after 19 ms. (steps per millisecond=526 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 18 ms. (steps per millisecond=555 ) properties (out of 9) seen :1
FORMULA FlexibleBarrier-PT-22b-ReachabilityFireability-14 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 7 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 8) seen :0
Running SMT prover for 8 properties.
[2023-03-12 00:48:29] [INFO ] Flow matrix only has 1443 transitions (discarded 29 similar events)
// Phase 1: matrix 1443 rows 907 cols
[2023-03-12 00:48:29] [INFO ] Computed 24 place invariants in 34 ms
[2023-03-12 00:48:30] [INFO ] [Real]Absence check using 24 positive place invariants in 10 ms returned sat
[2023-03-12 00:48:30] [INFO ] After 232ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:8
[2023-03-12 00:48:30] [INFO ] [Nat]Absence check using 24 positive place invariants in 9 ms returned sat
[2023-03-12 00:48:31] [INFO ] After 871ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :8
[2023-03-12 00:48:31] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-12 00:48:31] [INFO ] After 507ms SMT Verify possible using 1 Read/Feed constraints in natural domain returned unsat :0 sat :8
[2023-03-12 00:48:32] [INFO ] Deduced a trap composed of 482 places in 265 ms of which 1 ms to minimize.
[2023-03-12 00:48:32] [INFO ] Deduced a trap composed of 479 places in 259 ms of which 1 ms to minimize.
[2023-03-12 00:48:32] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 696 ms
[2023-03-12 00:48:33] [INFO ] Deduced a trap composed of 456 places in 297 ms of which 1 ms to minimize.
[2023-03-12 00:48:33] [INFO ] Deduced a trap composed of 477 places in 294 ms of which 1 ms to minimize.
[2023-03-12 00:48:33] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 747 ms
[2023-03-12 00:48:34] [INFO ] Deduced a trap composed of 481 places in 300 ms of which 1 ms to minimize.
[2023-03-12 00:48:34] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 389 ms
[2023-03-12 00:48:34] [INFO ] After 3029ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :8
Attempting to minimize the solution found.
Minimization took 516 ms.
[2023-03-12 00:48:34] [INFO ] After 4737ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :8
FORMULA FlexibleBarrier-PT-22b-ReachabilityFireability-03 TRUE TECHNIQUES TOPOLOGICAL PARIKH_WALK
Parikh walk visited 1 properties in 51 ms.
Support contains 54 out of 907 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 907/907 places, 1472/1472 transitions.
Graph (trivial) has 140 edges and 907 vertex of which 8 / 907 are part of one of the 4 SCC in 1 ms
Free SCC test removed 4 places
Drop transitions removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Drop transitions removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 0 with 8 rules applied. Total rules applied 9 place count 903 transition count 1456
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 17 place count 895 transition count 1456
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 3 Pre rules applied. Total rules applied 17 place count 895 transition count 1453
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 23 place count 892 transition count 1453
Discarding 10 places :
Symmetric choice reduction at 2 with 10 rule applications. Total rules 33 place count 882 transition count 1443
Iterating global reduction 2 with 10 rules applied. Total rules applied 43 place count 882 transition count 1443
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 44 place count 882 transition count 1442
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 45 place count 881 transition count 1441
Iterating global reduction 3 with 1 rules applied. Total rules applied 46 place count 881 transition count 1441
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 47 place count 881 transition count 1440
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: 15
Deduced a syphon composed of 15 places in 1 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 4 with 30 rules applied. Total rules applied 77 place count 866 transition count 1425
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 4 with 4 rules applied. Total rules applied 81 place count 866 transition count 1421
Discarding 5 places :
Symmetric choice reduction at 5 with 5 rule applications. Total rules 86 place count 861 transition count 1416
Iterating global reduction 5 with 5 rules applied. Total rules applied 91 place count 861 transition count 1416
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 5 with 5 rules applied. Total rules applied 96 place count 861 transition count 1411
Drop transitions removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 6 with 4 rules applied. Total rules applied 100 place count 861 transition count 1407
Free-agglomeration rule applied 98 times with reduction of 2 identical transitions.
Iterating global reduction 6 with 98 rules applied. Total rules applied 198 place count 861 transition count 1307
Reduce places removed 98 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 6 with 99 rules applied. Total rules applied 297 place count 763 transition count 1306
Discarding 58 places :
Symmetric choice reduction at 7 with 58 rule applications. Total rules 355 place count 705 transition count 1248
Iterating global reduction 7 with 58 rules applied. Total rules applied 413 place count 705 transition count 1248
Ensure Unique test removed 58 transitions
Reduce isomorphic transitions removed 58 transitions.
Iterating post reduction 7 with 58 rules applied. Total rules applied 471 place count 705 transition count 1190
Drop transitions removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 8 with 2 rules applied. Total rules applied 473 place count 705 transition count 1188
Applied a total of 473 rules in 289 ms. Remains 705 /907 variables (removed 202) and now considering 1188/1472 (removed 284) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 289 ms. Remains : 705/907 places, 1188/1472 transitions.
Incomplete random walk after 10000 steps, including 61 resets, run finished after 253 ms. (steps per millisecond=39 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 6 resets, run finished after 28 ms. (steps per millisecond=357 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 7 resets, run finished after 35 ms. (steps per millisecond=285 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 7 resets, run finished after 31 ms. (steps per millisecond=322 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10000 steps, including 6 resets, run finished after 31 ms. (steps per millisecond=322 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 5 resets, run finished after 29 ms. (steps per millisecond=344 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 6 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 5 resets, run finished after 25 ms. (steps per millisecond=400 ) properties (out of 7) seen :0
Interrupted probabilistic random walk after 278533 steps, run timeout after 3001 ms. (steps per millisecond=92 ) properties seen :{}
Probabilistic random walk after 278533 steps, saw 82517 distinct states, run finished after 3008 ms. (steps per millisecond=92 ) properties seen :0
Running SMT prover for 7 properties.
[2023-03-12 00:48:38] [INFO ] Flow matrix only has 1154 transitions (discarded 34 similar events)
// Phase 1: matrix 1154 rows 705 cols
[2023-03-12 00:48:38] [INFO ] Computed 24 place invariants in 28 ms
[2023-03-12 00:48:38] [INFO ] [Real]Absence check using 24 positive place invariants in 9 ms returned sat
[2023-03-12 00:48:38] [INFO ] After 178ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:7
[2023-03-12 00:48:39] [INFO ] [Nat]Absence check using 24 positive place invariants in 8 ms returned sat
[2023-03-12 00:48:39] [INFO ] After 633ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :7
[2023-03-12 00:48:39] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-12 00:48:40] [INFO ] After 376ms SMT Verify possible using 1 Read/Feed constraints in natural domain returned unsat :0 sat :7
[2023-03-12 00:48:40] [INFO ] Deduced a trap composed of 387 places in 213 ms of which 0 ms to minimize.
[2023-03-12 00:48:40] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 290 ms
[2023-03-12 00:48:40] [INFO ] Deduced a trap composed of 385 places in 200 ms of which 2 ms to minimize.
[2023-03-12 00:48:41] [INFO ] Deduced a trap composed of 409 places in 201 ms of which 0 ms to minimize.
[2023-03-12 00:48:41] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 512 ms
[2023-03-12 00:48:41] [INFO ] After 1672ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :7
Attempting to minimize the solution found.
Minimization took 378 ms.
[2023-03-12 00:48:41] [INFO ] After 2912ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :7
Parikh walk visited 0 properties in 26 ms.
Support contains 54 out of 705 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 705/705 places, 1188/1188 transitions.
Applied a total of 0 rules in 22 ms. Remains 705 /705 variables (removed 0) and now considering 1188/1188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 22 ms. Remains : 705/705 places, 1188/1188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 705/705 places, 1188/1188 transitions.
Applied a total of 0 rules in 24 ms. Remains 705 /705 variables (removed 0) and now considering 1188/1188 (removed 0) transitions.
[2023-03-12 00:48:41] [INFO ] Flow matrix only has 1154 transitions (discarded 34 similar events)
[2023-03-12 00:48:41] [INFO ] Invariant cache hit.
[2023-03-12 00:48:42] [INFO ] Implicit Places using invariants in 357 ms returned []
[2023-03-12 00:48:42] [INFO ] Flow matrix only has 1154 transitions (discarded 34 similar events)
[2023-03-12 00:48:42] [INFO ] Invariant cache hit.
[2023-03-12 00:48:42] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-12 00:48:43] [INFO ] Implicit Places using invariants and state equation in 814 ms returned []
Implicit Place search using SMT with State Equation took 1176 ms to find 0 implicit places.
[2023-03-12 00:48:43] [INFO ] Redundant transitions in 87 ms returned []
[2023-03-12 00:48:43] [INFO ] Flow matrix only has 1154 transitions (discarded 34 similar events)
[2023-03-12 00:48:43] [INFO ] Invariant cache hit.
[2023-03-12 00:48:43] [INFO ] Dead Transitions using invariants and state equation in 443 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1745 ms. Remains : 705/705 places, 1188/1188 transitions.
Ensure Unique test removed 34 transitions
Reduce isomorphic transitions removed 34 transitions.
Performed 115 Post agglomeration using F-continuation condition.Transition count delta: 115
Iterating post reduction 0 with 149 rules applied. Total rules applied 149 place count 705 transition count 1039
Reduce places removed 115 places and 0 transitions.
Ensure Unique test removed 115 transitions
Reduce isomorphic transitions removed 115 transitions.
Iterating post reduction 1 with 230 rules applied. Total rules applied 379 place count 590 transition count 924
Discarding 121 places :
Symmetric choice reduction at 2 with 121 rule applications. Total rules 500 place count 469 transition count 803
Iterating global reduction 2 with 121 rules applied. Total rules applied 621 place count 469 transition count 803
Ensure Unique test removed 101 transitions
Reduce isomorphic transitions removed 101 transitions.
Iterating post reduction 2 with 101 rules applied. Total rules applied 722 place count 469 transition count 702
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 3 with 1 rules applied. Total rules applied 723 place count 469 transition count 701
Applied a total of 723 rules in 39 ms. Remains 469 /705 variables (removed 236) and now considering 701/1188 (removed 487) transitions.
Running SMT prover for 7 properties.
// Phase 1: matrix 701 rows 469 cols
[2023-03-12 00:48:43] [INFO ] Computed 24 place invariants in 15 ms
[2023-03-12 00:48:43] [INFO ] [Real]Absence check using 24 positive place invariants in 7 ms returned sat
[2023-03-12 00:48:43] [INFO ] After 129ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:7
[2023-03-12 00:48:43] [INFO ] [Nat]Absence check using 24 positive place invariants in 7 ms returned sat
[2023-03-12 00:48:44] [INFO ] After 416ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :7
[2023-03-12 00:48:44] [INFO ] Deduced a trap composed of 193 places in 139 ms of which 0 ms to minimize.
[2023-03-12 00:48:44] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 189 ms
[2023-03-12 00:48:44] [INFO ] Deduced a trap composed of 199 places in 126 ms of which 1 ms to minimize.
[2023-03-12 00:48:45] [INFO ] Deduced a trap composed of 197 places in 123 ms of which 0 ms to minimize.
[2023-03-12 00:48:45] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 318 ms
[2023-03-12 00:48:45] [INFO ] After 1224ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :7
Attempting to minimize the solution found.
Minimization took 249 ms.
[2023-03-12 00:48:45] [INFO ] After 1640ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :7
[2023-03-12 00:48:45] [INFO ] Export to MCC of 7 properties in file /home/mcc/execution/ReachabilityFireability.sr.xml took 7 ms.
[2023-03-12 00:48:45] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 705 places, 1188 transitions and 4364 arcs took 11 ms.
[2023-03-12 00:48:45] [INFO ] Flatten gal took : 110 ms
Total runtime 59349 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 --inv-bin-par --invariant=/tmp/551/inv_0_ --invariant=/tmp/551/inv_1_ --invariant=/tmp/551/inv_2_ --invariant=/tmp/551/inv_3_ --invariant=/tmp/551/inv_4_ --invariant=/tmp/551/inv_5_ --invariant=/tmp/551/inv_6_ --inv-par
TIME LIMIT: Killed by timeout after 3600 seconds
MemTotal: 16393216 kB
MemFree: 9760960 kB
After kill :
MemTotal: 16393216 kB
MemFree: 16098856 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 ReachabilityFireability -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="FlexibleBarrier-PT-22b"
export BK_EXAMINATION="ReachabilityFireability"
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 FlexibleBarrier-PT-22b, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r169-tall-167838856100599"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-22b.tgz
mv FlexibleBarrier-PT-22b execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "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 [ "ReachabilityFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "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 "ReachabilityFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityFireability.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 '' ReachabilityFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
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 ;