Execution Chart

Sorry, for this execution, no execution chart could be reported.

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r189-tall-174889272600444.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=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 2-5832
Executing tool itstools
Input is SafeBus-COL-03, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r189-tall-174889272600444
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 504K
-rw-r--r-- 1 mcc users 8.5K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 93K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 48K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.0K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 107K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.8K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 80K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 29 14:32 equiv_pt
-rw-r--r-- 1 mcc users 3 May 29 14:32 instance
-rw-r--r-- 1 mcc users 5 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 42K May 29 14:32 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

FORMULA_NAME Liveness

=== Now, execution of the tool begins

BK_START 1748942209871

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=Liveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=SafeBus-COL-03
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
Liveness COL
Running Version 202505121319
[2025-06-03 09:16:51] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2025-06-03 09:16:51] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-03 09:16:51] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2025-06-03 09:16:51] [WARNING] Using fallBack plugin, rng conformance not checked
[2025-06-03 09:16:51] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 571 ms
[2025-06-03 09:16:51] [INFO ] Detected 1 constant HL places corresponding to 3 PT places.
[2025-06-03 09:16:51] [INFO ] Imported 20 HL places and 14 HL transitions for a total of 60 PT places and 214.0 transition bindings in 24 ms.
[2025-06-03 09:16:51] [INFO ] Built PT skeleton of HLPN with 20 places and 14 transitions 68 arcs in 5 ms.
[2025-06-03 09:16:51] [INFO ] Skeletonized 0 HLPN properties in 0 ms.
[2025-06-03 09:16:51] [INFO ] Unfolded HLPN to a Petri net with 60 places and 97 transitions 556 arcs in 18 ms.
[2025-06-03 09:16:51] [INFO ] Unfolded 0 HLPN properties in 0 ms.
[2025-06-03 09:16:51] [INFO ] Unfolded HLPN to a Petri net with 60 places and 97 transitions 556 arcs in 5 ms.
[2025-06-03 09:16:51] [INFO ] Unfolded 14 HLPN properties in 0 ms.
[2025-06-03 09:16:51] [INFO ] Reduced 3 identical enabling conditions.
[2025-06-03 09:16:51] [INFO ] Built PT skeleton of HLPN with 20 places and 14 transitions 68 arcs in 0 ms.
[2025-06-03 09:16:51] [INFO ] Skeletonized 14 HLPN properties in 1 ms.
Reduce places removed 3 places and 0 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Prefix of Interest using HLPN skeleton for deadlock discarded 0 places and 0 transitions.
Domain [It(3), It(3)] of place AMC breaks symmetries in sort It
[2025-06-03 09:16:51] [INFO ] Unfolded HLPN to a Petri net with 60 places and 97 transitions 556 arcs in 9 ms.
[2025-06-03 09:16:51] [INFO ] Unfolded 14 HLPN properties in 0 ms.
[2025-06-03 09:16:51] [INFO ] Reduced 3 identical enabling conditions.
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 6 places and 6 transitions.
Built sparse matrix representations for Structural reductions in 0 ms.17164KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 54/54 places, 91/91 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 12 ms. Remains 54 /54 variables (removed 0) and now considering 91/91 (removed 0) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 22 ms. Remains : 54/54 places, 91/91 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 54/54 places, 91/91 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 6 ms. Remains 54 /54 variables (removed 0) and now considering 91/91 (removed 0) transitions.
[2025-06-03 09:16:51] [INFO ] Flow matrix only has 68 transitions (discarded 23 similar events)
// Phase 1: matrix 68 rows 54 cols
[2025-06-03 09:16:51] [INFO ] Computed 17 invariants in 10 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 09:16:52] [INFO ] Implicit Places using invariants in 156 ms returned []
[2025-06-03 09:16:52] [INFO ] Flow matrix only has 68 transitions (discarded 23 similar events)
[2025-06-03 09:16:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 09:16:52] [INFO ] State equation strengthened by 13 read => feed constraints.
[2025-06-03 09:16:52] [INFO ] Implicit Places using invariants and state equation in 76 ms returned []
Implicit Place search using SMT with State Equation took 262 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 09:16:52] [INFO ] Redundant transitions in 2 ms returned []
Running 88 sub problems to find dead transitions.
[2025-06-03 09:16:52] [INFO ] Flow matrix only has 68 transitions (discarded 23 similar events)
[2025-06-03 09:16:52] [INFO ] Invariant cache hit.
[2025-06-03 09:16:52] [INFO ] State equation strengthened by 13 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 88 unsolved
Problem TDEAD7 is UNSAT
Problem TDEAD8 is UNSAT
Problem TDEAD9 is UNSAT
Problem TDEAD19 is UNSAT
Problem TDEAD20 is UNSAT
Problem TDEAD21 is UNSAT
Problem TDEAD31 is UNSAT
Problem TDEAD32 is UNSAT
Problem TDEAD33 is UNSAT
At refinement iteration 1 (INCLUDED_ONLY) 0/54 variables, 10/17 constraints. Problems are: Problem set: 9 solved, 79 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:16:52] [INFO ] Deduced a trap composed of 11 places in 180 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:16:53] [INFO ] Deduced a trap composed of 11 places in 53 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:16:53] [INFO ] Deduced a trap composed of 11 places in 45 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:16:53] [INFO ] Deduced a trap composed of 11 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:16:53] [INFO ] Deduced a trap composed of 11 places in 46 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:16:53] [INFO ] Deduced a trap composed of 14 places in 42 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:16:53] [INFO ] Deduced a trap composed of 11 places in 48 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:16:53] [INFO ] Deduced a trap composed of 7 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:16:53] [INFO ] Deduced a trap composed of 13 places in 38 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:16:53] [INFO ] Deduced a trap composed of 13 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:16:53] [INFO ] Deduced a trap composed of 14 places in 48 ms of which 5 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 11/28 constraints. Problems are: Problem set: 9 solved, 79 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/54 variables, 0/28 constraints. Problems are: Problem set: 9 solved, 79 unsolved
At refinement iteration 4 (OVERLAPS) 68/122 variables, 54/82 constraints. Problems are: Problem set: 9 solved, 79 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/122 variables, 13/95 constraints. Problems are: Problem set: 9 solved, 79 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:16:54] [INFO ] Deduced a trap composed of 7 places in 50 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:16:54] [INFO ] Deduced a trap composed of 11 places in 58 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/122 variables, 2/97 constraints. Problems are: Problem set: 9 solved, 79 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:16:54] [INFO ] Deduced a trap composed of 13 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:16:54] [INFO ] Deduced a trap composed of 13 places in 34 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/122 variables, 2/99 constraints. Problems are: Problem set: 9 solved, 79 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:16:55] [INFO ] Deduced a trap composed of 14 places in 38 ms of which 3 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/122 variables, 1/100 constraints. Problems are: Problem set: 9 solved, 79 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/122 variables, 0/100 constraints. Problems are: Problem set: 9 solved, 79 unsolved
At refinement iteration 10 (OVERLAPS) 0/122 variables, 0/100 constraints. Problems are: Problem set: 9 solved, 79 unsolved
No progress, stopping.
After SMT solving in domain Real declared 122/122 variables, and 100 constraints, problems are : Problem set: 9 solved, 79 unsolved in 3847 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 54/54 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 88/88 constraints, Known Traps: 16/16 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 9 solved, 79 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 7/7 constraints. Problems are: Problem set: 9 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/54 variables, 10/17 constraints. Problems are: Problem set: 9 solved, 79 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 16/33 constraints. Problems are: Problem set: 9 solved, 79 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:16:56] [INFO ] Deduced a trap composed of 13 places in 45 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:16:56] [INFO ] Deduced a trap composed of 7 places in 44 ms of which 4 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/54 variables, 2/35 constraints. Problems are: Problem set: 9 solved, 79 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 0/35 constraints. Problems are: Problem set: 9 solved, 79 unsolved
At refinement iteration 5 (OVERLAPS) 68/122 variables, 54/89 constraints. Problems are: Problem set: 9 solved, 79 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/122 variables, 13/102 constraints. Problems are: Problem set: 9 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/122 variables, 79/181 constraints. Problems are: Problem set: 9 solved, 79 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/122 variables, 0/181 constraints. Problems are: Problem set: 9 solved, 79 unsolved
At refinement iteration 9 (OVERLAPS) 0/122 variables, 0/181 constraints. Problems are: Problem set: 9 solved, 79 unsolved
No progress, stopping.
After SMT solving in domain Int declared 122/122 variables, and 181 constraints, problems are : Problem set: 9 solved, 79 unsolved in 3181 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 54/54 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 79/88 constraints, Known Traps: 18/18 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 7115ms problems are : Problem set: 9 solved, 79 unsolved
Search for dead transitions found 9 dead transitions in 7126ms
Found 9 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 9 transitions
Dead transitions reduction (with SMT) removed 9 transitions
Starting structural reductions in DEADLOCK mode, iteration 1 : 54/54 places, 82/91 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 5 ms. Remains 54 /54 variables (removed 0) and now considering 82/82 (removed 0) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 09:16:59] [INFO ] Redundant transitions in 1 ms returned []
Finished structural reductions in DEADLOCK mode , in 2 iterations and 7435 ms. Remains : 54/54 places, 82/91 transitions.
Random walk for 1250000 steps, including 0 resets, run took 1458 ms (no deadlock found). (steps per millisecond=857 )
Random directed walk for 1250000 steps, including 0 resets, run took 907 ms (no deadlock found). (steps per millisecond=1378 )
[2025-06-03 09:17:01] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2025-06-03 09:17:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 300.0 s and query timeout 30000.0 ms
[2025-06-03 09:17:01] [INFO ] [Real]Absence check using 7 positive place invariants in 2 ms returned sat
[2025-06-03 09:17:01] [INFO ] [Real]Absence check using 7 positive and 10 generalized place invariants in 18 ms returned sat
[2025-06-03 09:17:01] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2025-06-03 09:17:01] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 300.0 s and query timeout 30000.0 ms
[2025-06-03 09:17:01] [INFO ] [Nat]Absence check using 7 positive place invariants in 1 ms returned sat
[2025-06-03 09:17:01] [INFO ] [Nat]Absence check using 7 positive and 10 generalized place invariants in 3 ms returned sat
[2025-06-03 09:17:01] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2025-06-03 09:17:01] [INFO ] State equation strengthened by 13 read => feed constraints.
[2025-06-03 09:17:01] [INFO ] [Nat]Added 13 Read/Feed constraints in 4 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:17:01] [INFO ] Deduced a trap composed of 13 places in 36 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:17:01] [INFO ] Deduced a trap composed of 13 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:17:02] [INFO ] Deduced a trap composed of 14 places in 41 ms of which 2 ms to minimize.
[2025-06-03 09:17:02] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 152 ms
[2025-06-03 09:17:02] [INFO ] Computed and/alt/rep : 52/309/52 causal constraints (skipped 13 transitions) in 5 ms.
[2025-06-03 09:17:02] [INFO ] Added : 37 causal constraints over 8 iterations in 91 ms. Result :sat
Parikh directed walk for 10000 steps, including 690 resets, run took 24 ms. (steps per millisecond=416 )
Random directed walk for 500000 steps, including 0 resets, run took 388 ms (no deadlock found). (steps per millisecond=1288 )
Random walk for 500000 steps, including 0 resets, run took 478 ms (no deadlock found). (steps per millisecond=1046 )
Random directed walk for 500000 steps, including 0 resets, run took 380 ms (no deadlock found). (steps per millisecond=1315 )
Random walk for 500000 steps, including 0 resets, run took 475 ms (no deadlock found). (steps per millisecond=1052 )
Starting structural reductions in DEADLOCK mode, iteration 0 : 54/54 places, 82/82 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 8 ms. Remains 54 /54 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2025-06-03 09:17:03] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2025-06-03 09:17:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 09:17:03] [INFO ] Implicit Places using invariants in 32 ms returned []
[2025-06-03 09:17:03] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2025-06-03 09:17:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 09:17:03] [INFO ] State equation strengthened by 13 read => feed constraints.
[2025-06-03 09:17:03] [INFO ] Implicit Places using invariants and state equation in 65 ms returned []
Implicit Place search using SMT with State Equation took 100 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 09:17:03] [INFO ] Redundant transitions in 1 ms returned []
Running 79 sub problems to find dead transitions.
[2025-06-03 09:17:03] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2025-06-03 09:17:03] [INFO ] Invariant cache hit.
[2025-06-03 09:17:04] [INFO ] State equation strengthened by 13 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/54 variables, 10/17 constraints. Problems are: Problem set: 0 solved, 79 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:17:04] [INFO ] Deduced a trap composed of 11 places in 52 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:17:04] [INFO ] Deduced a trap composed of 11 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:17:04] [INFO ] Deduced a trap composed of 11 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:17:04] [INFO ] Deduced a trap composed of 11 places in 47 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:17:04] [INFO ] Deduced a trap composed of 11 places in 42 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:17:04] [INFO ] Deduced a trap composed of 11 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:17:04] [INFO ] Deduced a trap composed of 7 places in 59 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:17:04] [INFO ] Deduced a trap composed of 7 places in 48 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:17:04] [INFO ] Deduced a trap composed of 14 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:17:04] [INFO ] Deduced a trap composed of 14 places in 58 ms of which 5 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 10/27 constraints. Problems are: Problem set: 0 solved, 79 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:17:04] [INFO ] Deduced a trap composed of 11 places in 51 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/54 variables, 1/28 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 5 (OVERLAPS) 68/122 variables, 54/82 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/122 variables, 13/95 constraints. Problems are: Problem set: 0 solved, 79 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:17:05] [INFO ] Deduced a trap composed of 11 places in 56 ms of which 5 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/122 variables, 1/96 constraints. Problems are: Problem set: 0 solved, 79 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:17:05] [INFO ] Deduced a trap composed of 13 places in 44 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:17:06] [INFO ] Deduced a trap composed of 13 places in 39 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/122 variables, 2/98 constraints. Problems are: Problem set: 0 solved, 79 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:17:06] [INFO ] Deduced a trap composed of 13 places in 43 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/122 variables, 1/99 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/122 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 11 (OVERLAPS) 0/122 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 79 unsolved
No progress, stopping.
After SMT solving in domain Real declared 122/122 variables, and 99 constraints, problems are : Problem set: 0 solved, 79 unsolved in 3324 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 54/54 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 79/79 constraints, Known Traps: 15/15 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 79 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/54 variables, 10/17 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 15/32 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/54 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 4 (OVERLAPS) 68/122 variables, 54/86 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/122 variables, 13/99 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/122 variables, 79/178 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/122 variables, 0/178 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 8 (OVERLAPS) 0/122 variables, 0/178 constraints. Problems are: Problem set: 0 solved, 79 unsolved
No progress, stopping.
After SMT solving in domain Int declared 122/122 variables, and 178 constraints, problems are : Problem set: 0 solved, 79 unsolved in 2719 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 54/54 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 79/79 constraints, Known Traps: 15/15 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 6067ms problems are : Problem set: 0 solved, 79 unsolved
Search for dead transitions found 0 dead transitions in 6068ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 6183 ms. Remains : 54/54 places, 82/82 transitions.
Random walk for 1250000 steps, including 0 resets, run took 1194 ms (no deadlock found). (steps per millisecond=1046 )
Random directed walk for 1250000 steps, including 0 resets, run took 925 ms (no deadlock found). (steps per millisecond=1351 )
[2025-06-03 09:17:12] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2025-06-03 09:17:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 300.0 s and query timeout 30000.0 ms
[2025-06-03 09:17:12] [INFO ] [Real]Absence check using 7 positive place invariants in 2 ms returned sat
[2025-06-03 09:17:12] [INFO ] [Real]Absence check using 7 positive and 10 generalized place invariants in 11 ms returned sat
[2025-06-03 09:17:12] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2025-06-03 09:17:12] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 300.0 s and query timeout 30000.0 ms
[2025-06-03 09:17:12] [INFO ] [Nat]Absence check using 7 positive place invariants in 1 ms returned sat
[2025-06-03 09:17:12] [INFO ] [Nat]Absence check using 7 positive and 10 generalized place invariants in 3 ms returned sat
[2025-06-03 09:17:12] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2025-06-03 09:17:12] [INFO ] State equation strengthened by 13 read => feed constraints.
[2025-06-03 09:17:12] [INFO ] [Nat]Added 13 Read/Feed constraints in 3 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:17:12] [INFO ] Deduced a trap composed of 13 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:17:12] [INFO ] Deduced a trap composed of 13 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:17:12] [INFO ] Deduced a trap composed of 14 places in 40 ms of which 3 ms to minimize.
[2025-06-03 09:17:12] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 161 ms
[2025-06-03 09:17:12] [INFO ] Computed and/alt/rep : 52/309/52 causal constraints (skipped 13 transitions) in 4 ms.
[2025-06-03 09:17:12] [INFO ] Added : 37 causal constraints over 8 iterations in 93 ms. Result :sat
Parikh directed walk for 10000 steps, including 674 resets, run took 21 ms. (steps per millisecond=476 )
Random directed walk for 500002 steps, including 0 resets, run took 363 ms (no deadlock found). (steps per millisecond=1377 )
Random walk for 500000 steps, including 0 resets, run took 481 ms (no deadlock found). (steps per millisecond=1039 )
Random directed walk for 500000 steps, including 0 resets, run took 367 ms (no deadlock found). (steps per millisecond=1362 )
Random walk for 500000 steps, including 0 resets, run took 476 ms (no deadlock found). (steps per millisecond=1050 )
[2025-06-03 09:17:14] [INFO ] Flatten gal took : 35 ms
[2025-06-03 09:17:14] [INFO ] Unfolded HLPN to a Petri net with 60 places and 97 transitions 556 arcs in 3 ms.
[2025-06-03 09:17:14] [INFO ] Unfolded 14 HLPN properties in 0 ms.
Initial state reduction rules removed 1 formulas.
[2025-06-03 09:17:14] [INFO ] Reduced 3 identical enabling conditions.
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 6 places and 6 transitions.
RANDOM walk for 613 steps (0 resets) in 42 ms. (14 steps per ms) remains 0/13 properties
[2025-06-03 09:17:14] [INFO ] Flatten gal took : 12 ms
[2025-06-03 09:17:14] [INFO ] Flatten gal took : 10 ms
[2025-06-03 09:17:14] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16573278160523074817.gal : 9 ms
[2025-06-03 09:17:14] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15268094147157819639.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality16573278160523074817.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15268094147157819639.prop' '--nowitness' '--gen-order' 'FOLLOW'
ITS runner timed out or was interrupted.

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 14 properties.
Net is quasi-live, checking if it is reversible to establish liveness.
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 6 places and 6 transitions.
[2025-06-03 09:17:14] [INFO ] Flatten gal took : 10 ms
[2025-06-03 09:17:14] [INFO ] Flatten gal took : 9 ms
[2025-06-03 09:17:14] [INFO ] Time to serialize gal into /tmp/CTLFireability12396143610789687234.gal : 3 ms
[2025-06-03 09:17:14] [INFO ] Time to serialize properties into /tmp/CTLFireability7768459475714964370.ctl : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability12396143610789687234.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability7768459475714964370.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,4650,0.10299,7960,2,1465,5,13177,6,0,310,12448,0


Converting to forward existential form...Done !
original formula: AG(EF((((((((Cpt2_0==1)&&(Cpt2_1==0))&&((Cpt2_2==0)&&(Cpt1_0==1)))&&(((Cpt1_1==0)&&(Cpt1_2==0))&&((cable_free==1)&&(cable_used_0==0))))&&...896
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U (((((((Cpt2_0==1)&&(Cpt2_1==0))&&((Cpt2_2==0)&&(Cpt1_0==1)))&&(((Cpt1_1==0)&&(Cpt...956
Reverse transition relation is NOT exact ! Due to transitions I_reemitr0i1, I_reemitr0i2, I_reemitr1i0, I_reemitr1i2, I_reemitr2i0, I_reemitr2i1, C_freei0,...472
(forward)formula 0,1,0.947628,41964,1,0,234,172821,194,107,2779,129884,246
Formula is TRUE !

***************************************

ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query Liveness after proving 1 properties.
FORMULA Liveness TRUE TECHNIQUES RANDOM_WALK DECISION_DIAGRAMS TOPOLOGICAL QUASI_LIVE_REVERSIBLE INITIAL_STATE
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 6 places and 6 transitions.
Total runtime 24416 ms.

BK_STOP 1748942235548

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ Liveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution Liveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination Liveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800

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="SafeBus-COL-03"
export BK_EXAMINATION="Liveness"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
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 2-5832"
echo " Executing tool itstools"
echo " Input is SafeBus-COL-03, examination is Liveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r189-tall-174889272600444"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SafeBus-COL-03.tgz
mv SafeBus-COL-03 execution
cd execution
if [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "UpperBounds" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] || [ "Liveness" = "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 [ "Liveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "Liveness" != "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 "Liveness.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 '' Liveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] ; then
echo "FORMULA_NAME Liveness"
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 ;