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.r329-tall-167889202600877.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)
....................................................................................
=====================================================================
Generated by BenchKit 2-5348
Executing tool ltsminxred
Input is RingSingleMessageInMbox-PT-d1m160, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r329-tall-167889202600877
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 6.2M
-rw-r--r-- 1 mcc users 6.8K Feb 26 05:26 CTLCardinality.txt
-rw-r--r-- 1 mcc users 70K Feb 26 05:26 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K Feb 26 05:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 50K Feb 26 05:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K Feb 25 16:46 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Feb 25 16:46 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Feb 25 16:46 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Feb 25 16:46 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.7K Feb 26 05:31 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 68K Feb 26 05:31 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.7K Feb 26 05:29 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 50K Feb 26 05:29 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Feb 25 16:46 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Feb 25 16:46 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 7 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 5.8M Mar 5 18:23 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of positive values
NUM_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME RingSingleMessageInMbox-PT-d1m160-UpperBounds-00
FORMULA_NAME RingSingleMessageInMbox-PT-d1m160-UpperBounds-01
FORMULA_NAME RingSingleMessageInMbox-PT-d1m160-UpperBounds-02
FORMULA_NAME RingSingleMessageInMbox-PT-d1m160-UpperBounds-03
FORMULA_NAME RingSingleMessageInMbox-PT-d1m160-UpperBounds-04
FORMULA_NAME RingSingleMessageInMbox-PT-d1m160-UpperBounds-05
FORMULA_NAME RingSingleMessageInMbox-PT-d1m160-UpperBounds-06
FORMULA_NAME RingSingleMessageInMbox-PT-d1m160-UpperBounds-07
FORMULA_NAME RingSingleMessageInMbox-PT-d1m160-UpperBounds-08
FORMULA_NAME RingSingleMessageInMbox-PT-d1m160-UpperBounds-09
FORMULA_NAME RingSingleMessageInMbox-PT-d1m160-UpperBounds-10
FORMULA_NAME RingSingleMessageInMbox-PT-d1m160-UpperBounds-11
FORMULA_NAME RingSingleMessageInMbox-PT-d1m160-UpperBounds-12
FORMULA_NAME RingSingleMessageInMbox-PT-d1m160-UpperBounds-13
FORMULA_NAME RingSingleMessageInMbox-PT-d1m160-UpperBounds-14
FORMULA_NAME RingSingleMessageInMbox-PT-d1m160-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1679183625039

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=RingSingleMessageInMbox-PT-d1m160
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-18 23:53:46] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2023-03-18 23:53:46] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-18 23:53:46] [INFO ] Load time of PNML (sax parser for PT used): 372 ms
[2023-03-18 23:53:46] [INFO ] Transformed 6690 places.
[2023-03-18 23:53:46] [INFO ] Transformed 11934 transitions.
[2023-03-18 23:53:47] [INFO ] Parsed PT model containing 6690 places and 11934 transitions and 47736 arcs in 548 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 11 ms.
Deduced a syphon composed of 4305 places in 27 ms
Reduce places removed 4305 places and 0 transitions.
FORMULA RingSingleMessageInMbox-PT-d1m160-UpperBounds-00 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d1m160-UpperBounds-01 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d1m160-UpperBounds-02 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d1m160-UpperBounds-03 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d1m160-UpperBounds-04 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d1m160-UpperBounds-05 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d1m160-UpperBounds-07 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d1m160-UpperBounds-08 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d1m160-UpperBounds-10 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d1m160-UpperBounds-11 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d1m160-UpperBounds-12 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d1m160-UpperBounds-13 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d1m160-UpperBounds-14 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d1m160-UpperBounds-15 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
// Phase 1: matrix 11934 rows 2385 cols
[2023-03-18 23:53:48] [INFO ] Computed 5 place invariants in 981 ms
Incomplete random walk after 10000 steps, including 1555 resets, run finished after 821 ms. (steps per millisecond=12 ) properties (out of 2) seen :1
Incomplete Best-First random walk after 10001 steps, including 68 resets, run finished after 31 ms. (steps per millisecond=322 ) properties (out of 2) seen :1
FORMULA RingSingleMessageInMbox-PT-d1m160-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
[2023-03-18 23:53:49] [INFO ] Invariant cache hit.
[2023-03-18 23:53:49] [INFO ] [Real]Absence check using 2 positive place invariants in 40 ms returned sat
[2023-03-18 23:53:49] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 41 ms returned sat
[2023-03-18 23:53:49] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-18 23:53:52] [INFO ] [Real]Absence check using state equation in 2955 ms returned sat
[2023-03-18 23:53:54] [INFO ] State equation strengthened by 9690 read => feed constraints.
[2023-03-18 23:53:54] [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.verifyPossible(DeadlockTester.java:908)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2618)
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)
Current structural bounds on expressions (after SMT) : [164] Max seen :[1]
Support contains 1 out of 2385 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2385/2385 places, 11934/11934 transitions.
Graph (complete) has 16557 edges and 2385 vertex of which 2367 are kept as prefixes of interest. Removing 18 places using SCC suffix rule.83 ms
Discarding 18 places :
Also discarding 0 output transitions
Drop transitions removed 9 transitions
Ensure Unique test removed 102 transitions
Reduce isomorphic transitions removed 111 transitions.
Iterating post reduction 0 with 111 rules applied. Total rules applied 112 place count 2367 transition count 11823
Discarding 1106 places :
Symmetric choice reduction at 1 with 1106 rule applications. Total rules 1218 place count 1261 transition count 2416
Iterating global reduction 1 with 1106 rules applied. Total rules applied 2324 place count 1261 transition count 2416
Ensure Unique test removed 75 transitions
Reduce isomorphic transitions removed 75 transitions.
Iterating post reduction 1 with 75 rules applied. Total rules applied 2399 place count 1261 transition count 2341
Discarding 911 places :
Symmetric choice reduction at 2 with 911 rule applications. Total rules 3310 place count 350 transition count 1430
Iterating global reduction 2 with 911 rules applied. Total rules applied 4221 place count 350 transition count 1430
Ensure Unique test removed 864 transitions
Reduce isomorphic transitions removed 864 transitions.
Iterating post reduction 2 with 864 rules applied. Total rules applied 5085 place count 350 transition count 566
Discarding 160 places :
Symmetric choice reduction at 3 with 160 rule applications. Total rules 5245 place count 190 transition count 406
Iterating global reduction 3 with 160 rules applied. Total rules applied 5405 place count 190 transition count 406
Ensure Unique test removed 122 transitions
Reduce isomorphic transitions removed 122 transitions.
Iterating post reduction 3 with 122 rules applied. Total rules applied 5527 place count 190 transition count 284
Discarding 11 places :
Symmetric choice reduction at 4 with 11 rule applications. Total rules 5538 place count 179 transition count 231
Iterating global reduction 4 with 11 rules applied. Total rules applied 5549 place count 179 transition count 231
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 5551 place count 177 transition count 229
Iterating global reduction 4 with 2 rules applied. Total rules applied 5553 place count 177 transition count 229
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 5554 place count 177 transition count 228
Discarding 5 places :
Symmetric choice reduction at 5 with 5 rule applications. Total rules 5559 place count 172 transition count 223
Iterating global reduction 5 with 5 rules applied. Total rules applied 5564 place count 172 transition count 223
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 5 with 5 rules applied. Total rules applied 5569 place count 172 transition count 218
Applied a total of 5569 rules in 551 ms. Remains 172 /2385 variables (removed 2213) and now considering 218/11934 (removed 11716) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 551 ms. Remains : 172/2385 places, 218/11934 transitions.
// Phase 1: matrix 218 rows 172 cols
[2023-03-18 23:53:55] [INFO ] Computed 4 place invariants in 3 ms
Incomplete random walk after 1000000 steps, including 210051 resets, run finished after 1425 ms. (steps per millisecond=701 ) properties (out of 1) seen :3
Incomplete Best-First random walk after 1000000 steps, including 68776 resets, run finished after 525 ms. (steps per millisecond=1904 ) properties (out of 1) seen :4
[2023-03-18 23:53:57] [INFO ] Invariant cache hit.
[2023-03-18 23:53:57] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2023-03-18 23:53:57] [INFO ] [Real]Absence check using 1 positive and 3 generalized place invariants in 2 ms returned sat
[2023-03-18 23:53:57] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-18 23:53:57] [INFO ] [Real]Absence check using state equation in 50 ms returned sat
[2023-03-18 23:53:57] [INFO ] State equation strengthened by 54 read => feed constraints.
[2023-03-18 23:53:57] [INFO ] [Real]Added 54 Read/Feed constraints in 24 ms returned sat
[2023-03-18 23:53:57] [INFO ] Solution in real domain found non-integer solution.
[2023-03-18 23:53:57] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2023-03-18 23:53:57] [INFO ] [Nat]Absence check using 1 positive and 3 generalized place invariants in 2 ms returned sat
[2023-03-18 23:53:57] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-18 23:53:57] [INFO ] [Nat]Absence check using state equation in 59 ms returned sat
[2023-03-18 23:53:57] [INFO ] [Nat]Added 54 Read/Feed constraints in 20 ms returned sat
[2023-03-18 23:53:57] [INFO ] Computed and/alt/rep : 71/183/71 causal constraints (skipped 146 transitions) in 42 ms.
[2023-03-18 23:53:57] [INFO ] Added : 1 causal constraints over 1 iterations in 113 ms. Result :sat
Minimization took 127 ms.
Current structural bounds on expressions (after SMT) : [164] Max seen :[4]
Support contains 1 out of 172 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 172/172 places, 218/218 transitions.
Applied a total of 0 rules in 14 ms. Remains 172 /172 variables (removed 0) and now considering 218/218 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15 ms. Remains : 172/172 places, 218/218 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 172/172 places, 218/218 transitions.
Applied a total of 0 rules in 13 ms. Remains 172 /172 variables (removed 0) and now considering 218/218 (removed 0) transitions.
[2023-03-18 23:53:57] [INFO ] Invariant cache hit.
[2023-03-18 23:53:57] [INFO ] Implicit Places using invariants in 175 ms returned []
[2023-03-18 23:53:57] [INFO ] Invariant cache hit.
[2023-03-18 23:53:57] [INFO ] State equation strengthened by 54 read => feed constraints.
[2023-03-18 23:53:58] [INFO ] Implicit Places using invariants and state equation in 435 ms returned []
Implicit Place search using SMT with State Equation took 614 ms to find 0 implicit places.
[2023-03-18 23:53:58] [INFO ] Redundant transitions in 9 ms returned []
[2023-03-18 23:53:58] [INFO ] Invariant cache hit.
[2023-03-18 23:53:58] [INFO ] Dead Transitions using invariants and state equation in 96 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 742 ms. Remains : 172/172 places, 218/218 transitions.
[2023-03-18 23:53:58] [INFO ] Invariant cache hit.
Incomplete random walk after 1000000 steps, including 210867 resets, run finished after 1315 ms. (steps per millisecond=760 ) properties (out of 1) seen :2
Incomplete Best-First random walk after 1000000 steps, including 67860 resets, run finished after 520 ms. (steps per millisecond=1923 ) properties (out of 1) seen :4
[2023-03-18 23:54:00] [INFO ] Invariant cache hit.
[2023-03-18 23:54:00] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2023-03-18 23:54:00] [INFO ] [Real]Absence check using 1 positive and 3 generalized place invariants in 2 ms returned sat
[2023-03-18 23:54:00] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-18 23:54:00] [INFO ] [Real]Absence check using state equation in 52 ms returned sat
[2023-03-18 23:54:00] [INFO ] State equation strengthened by 54 read => feed constraints.
[2023-03-18 23:54:00] [INFO ] [Real]Added 54 Read/Feed constraints in 7 ms returned sat
[2023-03-18 23:54:00] [INFO ] Solution in real domain found non-integer solution.
[2023-03-18 23:54:00] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2023-03-18 23:54:00] [INFO ] [Nat]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2023-03-18 23:54:00] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-18 23:54:00] [INFO ] [Nat]Absence check using state equation in 56 ms returned sat
[2023-03-18 23:54:00] [INFO ] [Nat]Added 54 Read/Feed constraints in 6 ms returned sat
[2023-03-18 23:54:00] [INFO ] Computed and/alt/rep : 71/183/71 causal constraints (skipped 146 transitions) in 31 ms.
[2023-03-18 23:54:00] [INFO ] Added : 1 causal constraints over 1 iterations in 67 ms. Result :sat
Minimization took 34 ms.
Current structural bounds on expressions (after SMT) : [164] Max seen :[4]
Support contains 1 out of 172 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 172/172 places, 218/218 transitions.
Applied a total of 0 rules in 6 ms. Remains 172 /172 variables (removed 0) and now considering 218/218 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 172/172 places, 218/218 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 172/172 places, 218/218 transitions.
Applied a total of 0 rules in 7 ms. Remains 172 /172 variables (removed 0) and now considering 218/218 (removed 0) transitions.
[2023-03-18 23:54:00] [INFO ] Invariant cache hit.
[2023-03-18 23:54:00] [INFO ] Implicit Places using invariants in 120 ms returned []
[2023-03-18 23:54:00] [INFO ] Invariant cache hit.
[2023-03-18 23:54:00] [INFO ] State equation strengthened by 54 read => feed constraints.
[2023-03-18 23:54:01] [INFO ] Implicit Places using invariants and state equation in 370 ms returned []
Implicit Place search using SMT with State Equation took 493 ms to find 0 implicit places.
[2023-03-18 23:54:01] [INFO ] Redundant transitions in 17 ms returned []
[2023-03-18 23:54:01] [INFO ] Invariant cache hit.
[2023-03-18 23:54:01] [INFO ] Dead Transitions using invariants and state equation in 89 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 612 ms. Remains : 172/172 places, 218/218 transitions.
Starting property specific reduction for RingSingleMessageInMbox-PT-d1m160-UpperBounds-09
[2023-03-18 23:54:01] [INFO ] Invariant cache hit.
Incomplete random walk after 10000 steps, including 2091 resets, run finished after 14 ms. (steps per millisecond=714 ) properties (out of 1) seen :2
Incomplete Best-First random walk after 10001 steps, including 702 resets, run finished after 6 ms. (steps per millisecond=1666 ) properties (out of 1) seen :2
[2023-03-18 23:54:01] [INFO ] Invariant cache hit.
[2023-03-18 23:54:01] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2023-03-18 23:54:01] [INFO ] [Real]Absence check using 1 positive and 3 generalized place invariants in 2 ms returned sat
[2023-03-18 23:54:01] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-18 23:54:01] [INFO ] [Real]Absence check using state equation in 48 ms returned sat
[2023-03-18 23:54:01] [INFO ] State equation strengthened by 54 read => feed constraints.
[2023-03-18 23:54:01] [INFO ] [Real]Added 54 Read/Feed constraints in 6 ms returned sat
[2023-03-18 23:54:01] [INFO ] Solution in real domain found non-integer solution.
[2023-03-18 23:54:01] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-18 23:54:01] [INFO ] [Nat]Absence check using 1 positive and 3 generalized place invariants in 2 ms returned sat
[2023-03-18 23:54:01] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-18 23:54:01] [INFO ] [Nat]Absence check using state equation in 49 ms returned sat
[2023-03-18 23:54:01] [INFO ] [Nat]Added 54 Read/Feed constraints in 6 ms returned sat
[2023-03-18 23:54:01] [INFO ] Computed and/alt/rep : 71/183/71 causal constraints (skipped 146 transitions) in 29 ms.
[2023-03-18 23:54:01] [INFO ] Added : 1 causal constraints over 1 iterations in 57 ms. Result :sat
Minimization took 40 ms.
Current structural bounds on expressions (after SMT) : [-1] Max seen :[2]
Support contains 1 out of 172 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 172/172 places, 218/218 transitions.
Applied a total of 0 rules in 10 ms. Remains 172 /172 variables (removed 0) and now considering 218/218 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 172/172 places, 218/218 transitions.
[2023-03-18 23:54:01] [INFO ] Invariant cache hit.
Incomplete random walk after 1000000 steps, including 210509 resets, run finished after 1231 ms. (steps per millisecond=812 ) properties (out of 1) seen :3
Incomplete Best-First random walk after 1000001 steps, including 68147 resets, run finished after 473 ms. (steps per millisecond=2114 ) properties (out of 1) seen :3
[2023-03-18 23:54:03] [INFO ] Invariant cache hit.
[2023-03-18 23:54:03] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2023-03-18 23:54:03] [INFO ] [Real]Absence check using 1 positive and 3 generalized place invariants in 5 ms returned sat
[2023-03-18 23:54:03] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-18 23:54:03] [INFO ] [Real]Absence check using state equation in 47 ms returned sat
[2023-03-18 23:54:03] [INFO ] State equation strengthened by 54 read => feed constraints.
[2023-03-18 23:54:03] [INFO ] [Real]Added 54 Read/Feed constraints in 19 ms returned sat
[2023-03-18 23:54:03] [INFO ] Solution in real domain found non-integer solution.
[2023-03-18 23:54:03] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2023-03-18 23:54:03] [INFO ] [Nat]Absence check using 1 positive and 3 generalized place invariants in 2 ms returned sat
[2023-03-18 23:54:03] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-18 23:54:03] [INFO ] [Nat]Absence check using state equation in 46 ms returned sat
[2023-03-18 23:54:03] [INFO ] [Nat]Added 54 Read/Feed constraints in 6 ms returned sat
[2023-03-18 23:54:03] [INFO ] Computed and/alt/rep : 71/183/71 causal constraints (skipped 146 transitions) in 23 ms.
[2023-03-18 23:54:03] [INFO ] Added : 1 causal constraints over 1 iterations in 53 ms. Result :sat
Minimization took 37 ms.
Current structural bounds on expressions (after SMT) : [-1] Max seen :[3]
Support contains 1 out of 172 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 172/172 places, 218/218 transitions.
Applied a total of 0 rules in 6 ms. Remains 172 /172 variables (removed 0) and now considering 218/218 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 172/172 places, 218/218 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 172/172 places, 218/218 transitions.
Applied a total of 0 rules in 5 ms. Remains 172 /172 variables (removed 0) and now considering 218/218 (removed 0) transitions.
[2023-03-18 23:54:03] [INFO ] Invariant cache hit.
[2023-03-18 23:54:03] [INFO ] Implicit Places using invariants in 213 ms returned []
[2023-03-18 23:54:03] [INFO ] Invariant cache hit.
[2023-03-18 23:54:03] [INFO ] State equation strengthened by 54 read => feed constraints.
[2023-03-18 23:54:04] [INFO ] Implicit Places using invariants and state equation in 395 ms returned []
Implicit Place search using SMT with State Equation took 611 ms to find 0 implicit places.
[2023-03-18 23:54:04] [INFO ] Redundant transitions in 6 ms returned []
[2023-03-18 23:54:04] [INFO ] Invariant cache hit.
[2023-03-18 23:54:04] [INFO ] Dead Transitions using invariants and state equation in 111 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 745 ms. Remains : 172/172 places, 218/218 transitions.
[2023-03-18 23:54:04] [INFO ] Invariant cache hit.
Incomplete random walk after 1000000 steps, including 210494 resets, run finished after 1310 ms. (steps per millisecond=763 ) properties (out of 1) seen :3
Incomplete Best-First random walk after 1000001 steps, including 68678 resets, run finished after 477 ms. (steps per millisecond=2096 ) properties (out of 1) seen :4
[2023-03-18 23:54:06] [INFO ] Invariant cache hit.
[2023-03-18 23:54:06] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2023-03-18 23:54:06] [INFO ] [Real]Absence check using 1 positive and 3 generalized place invariants in 2 ms returned sat
[2023-03-18 23:54:06] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-18 23:54:06] [INFO ] [Real]Absence check using state equation in 47 ms returned sat
[2023-03-18 23:54:06] [INFO ] State equation strengthened by 54 read => feed constraints.
[2023-03-18 23:54:06] [INFO ] [Real]Added 54 Read/Feed constraints in 8 ms returned sat
[2023-03-18 23:54:06] [INFO ] Solution in real domain found non-integer solution.
[2023-03-18 23:54:06] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-18 23:54:06] [INFO ] [Nat]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2023-03-18 23:54:06] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-18 23:54:06] [INFO ] [Nat]Absence check using state equation in 48 ms returned sat
[2023-03-18 23:54:06] [INFO ] [Nat]Added 54 Read/Feed constraints in 6 ms returned sat
[2023-03-18 23:54:06] [INFO ] Computed and/alt/rep : 71/183/71 causal constraints (skipped 146 transitions) in 16 ms.
[2023-03-18 23:54:06] [INFO ] Added : 1 causal constraints over 1 iterations in 61 ms. Result :sat
Minimization took 44 ms.
Current structural bounds on expressions (after SMT) : [-1] Max seen :[4]
Support contains 1 out of 172 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 172/172 places, 218/218 transitions.
Applied a total of 0 rules in 5 ms. Remains 172 /172 variables (removed 0) and now considering 218/218 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 172/172 places, 218/218 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 172/172 places, 218/218 transitions.
Applied a total of 0 rules in 5 ms. Remains 172 /172 variables (removed 0) and now considering 218/218 (removed 0) transitions.
[2023-03-18 23:54:06] [INFO ] Invariant cache hit.
[2023-03-18 23:54:06] [INFO ] Implicit Places using invariants in 205 ms returned []
[2023-03-18 23:54:06] [INFO ] Invariant cache hit.
[2023-03-18 23:54:06] [INFO ] State equation strengthened by 54 read => feed constraints.
[2023-03-18 23:54:07] [INFO ] Implicit Places using invariants and state equation in 408 ms returned []
Implicit Place search using SMT with State Equation took 616 ms to find 0 implicit places.
[2023-03-18 23:54:07] [INFO ] Redundant transitions in 2 ms returned []
[2023-03-18 23:54:07] [INFO ] Invariant cache hit.
[2023-03-18 23:54:07] [INFO ] Dead Transitions using invariants and state equation in 102 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 737 ms. Remains : 172/172 places, 218/218 transitions.
[2023-03-18 23:54:07] [INFO ] Invariant cache hit.
Incomplete random walk after 1000000 steps, including 210067 resets, run finished after 1249 ms. (steps per millisecond=800 ) properties (out of 1) seen :3
Incomplete Best-First random walk after 1000000 steps, including 68341 resets, run finished after 471 ms. (steps per millisecond=2123 ) properties (out of 1) seen :4
[2023-03-18 23:54:08] [INFO ] Invariant cache hit.
[2023-03-18 23:54:08] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2023-03-18 23:54:08] [INFO ] [Real]Absence check using 1 positive and 3 generalized place invariants in 2 ms returned sat
[2023-03-18 23:54:08] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-18 23:54:09] [INFO ] [Real]Absence check using state equation in 48 ms returned sat
[2023-03-18 23:54:09] [INFO ] State equation strengthened by 54 read => feed constraints.
[2023-03-18 23:54:09] [INFO ] [Real]Added 54 Read/Feed constraints in 9 ms returned sat
[2023-03-18 23:54:09] [INFO ] Solution in real domain found non-integer solution.
[2023-03-18 23:54:09] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-18 23:54:09] [INFO ] [Nat]Absence check using 1 positive and 3 generalized place invariants in 3 ms returned sat
[2023-03-18 23:54:09] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-18 23:54:09] [INFO ] [Nat]Absence check using state equation in 50 ms returned sat
[2023-03-18 23:54:09] [INFO ] [Nat]Added 54 Read/Feed constraints in 6 ms returned sat
[2023-03-18 23:54:09] [INFO ] Computed and/alt/rep : 71/183/71 causal constraints (skipped 146 transitions) in 17 ms.
[2023-03-18 23:54:09] [INFO ] Added : 1 causal constraints over 1 iterations in 45 ms. Result :sat
Minimization took 37 ms.
Current structural bounds on expressions (after SMT) : [-1] Max seen :[4]
Support contains 1 out of 172 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 172/172 places, 218/218 transitions.
Applied a total of 0 rules in 5 ms. Remains 172 /172 variables (removed 0) and now considering 218/218 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 172/172 places, 218/218 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 172/172 places, 218/218 transitions.
Applied a total of 0 rules in 5 ms. Remains 172 /172 variables (removed 0) and now considering 218/218 (removed 0) transitions.
[2023-03-18 23:54:09] [INFO ] Invariant cache hit.
[2023-03-18 23:54:09] [INFO ] Implicit Places using invariants in 82 ms returned []
[2023-03-18 23:54:09] [INFO ] Invariant cache hit.
[2023-03-18 23:54:09] [INFO ] State equation strengthened by 54 read => feed constraints.
[2023-03-18 23:54:09] [INFO ] Implicit Places using invariants and state equation in 338 ms returned []
Implicit Place search using SMT with State Equation took 432 ms to find 0 implicit places.
[2023-03-18 23:54:09] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-18 23:54:09] [INFO ] Invariant cache hit.
[2023-03-18 23:54:09] [INFO ] Dead Transitions using invariants and state equation in 84 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 528 ms. Remains : 172/172 places, 218/218 transitions.
Ending property specific reduction for RingSingleMessageInMbox-PT-d1m160-UpperBounds-09 in 8612 ms.
[2023-03-18 23:54:09] [INFO ] Flatten gal took : 47 ms
[2023-03-18 23:54:10] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/UpperBounds.sr.xml took 6 ms.
[2023-03-18 23:54:10] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 172 places, 218 transitions and 870 arcs took 2 ms.
Total runtime 23576 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/581/ub_0_
TIME LIMIT: Killed by timeout after 3570 seconds
MemTotal: 16393216 kB
MemFree: 15180132 kB
After kill :
MemTotal: 16393216 kB
MemFree: 16087416 kB
Could not compute solution for formula : RingSingleMessageInMbox-PT-d1m160-UpperBounds-09

BK_STOP 1679187222119

--------------------
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
ub formula name RingSingleMessageInMbox-PT-d1m160-UpperBounds-09
ub formula formula --maxsum=/tmp/581/ub_0_
pnml2lts-sym: Exploration order is bfs-prev
pnml2lts-sym: Saturation strategy is sat
pnml2lts-sym: Guided search strategy is unguided
pnml2lts-sym: Attractor strategy is default
pnml2lts-sym: opening model.pnml
pnml2lts-sym: Edge label is id
Warning: program compiled against libxml 210 using older 209
pnml2lts-sym: Petri net has 172 places, 218 transitions and 870 arcs
pnml2lts-sym: Petri net RingSingleMessageInMbox_PT_d1m160 analyzed
pnml2lts-sym: There are no safe places
pnml2lts-sym: Loading Petri net took 0.000 real 0.000 user 0.000 sys
pnml2lts-sym: Initializing regrouping layer
pnml2lts-sym: Regroup specification: bs,w2W,ru,hf
pnml2lts-sym: Regroup Boost's Sloan
pnml2lts-sym: Regroup over-approximate must-write to may-write
pnml2lts-sym: Regroup Row sUbsume
pnml2lts-sym: Reqroup Horizontal Flip
pnml2lts-sym: Regrouping: 218->216 groups
pnml2lts-sym: Regrouping took 0.050 real 0.050 user 0.000 sys
pnml2lts-sym: state vector length is 172; there are 216 groups
pnml2lts-sym: Computing maximum sum over 1 state variables.
pnml2lts-sym: Creating a multi-core ListDD domain.
pnml2lts-sym: Sylvan allocates 15.000 GB virtual memory for nodes table and operation cache.
pnml2lts-sym: Initial nodes table and operation cache requires 60.00 MB.
pnml2lts-sym: Using GBgetTransitionsShortR2W as next-state function
pnml2lts-sym: got initial state
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
Killing (15) : 587
Killing (9) : 587

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="RingSingleMessageInMbox-PT-d1m160"
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 RingSingleMessageInMbox-PT-d1m160, 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 r329-tall-167889202600877"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/RingSingleMessageInMbox-PT-d1m160.tgz
mv RingSingleMessageInMbox-PT-d1m160 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 ;