Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r114-smll-177955740400183.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-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 2-5973
Executing tool itstools
Input is Echo-PT-d03r05, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r114-smll-177955740400183
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.2M
-rw-r--r-- 1 mcc users 6.0K Mar 7 05:21 CTLCardinality.txt
-rw-r--r-- 1 mcc users 62K Mar 7 05:21 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K Mar 7 05:21 CTLFireability.txt
-rw-r--r-- 1 mcc users 52K Mar 7 05:21 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 5.9K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.8K Mar 15 09:44 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 09:44 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 09:44 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 09:44 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.0K Mar 7 05:21 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 64K Mar 7 05:21 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 14K Mar 7 05:21 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 123K Mar 7 05:21 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 09:44 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 09:44 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 7 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 716K Mar 3 18:30 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME Echo-PT-d03r05-ReachabilityFireability-2024-00
FORMULA_NAME Echo-PT-d03r05-ReachabilityFireability-2024-01
FORMULA_NAME Echo-PT-d03r05-ReachabilityFireability-2024-02
FORMULA_NAME Echo-PT-d03r05-ReachabilityFireability-2024-03
FORMULA_NAME Echo-PT-d03r05-ReachabilityFireability-2024-04
FORMULA_NAME Echo-PT-d03r05-ReachabilityFireability-2024-05
FORMULA_NAME Echo-PT-d03r05-ReachabilityFireability-2024-06
FORMULA_NAME Echo-PT-d03r05-ReachabilityFireability-2024-07
FORMULA_NAME Echo-PT-d03r05-ReachabilityFireability-2024-08
FORMULA_NAME Echo-PT-d03r05-ReachabilityFireability-2024-09
FORMULA_NAME Echo-PT-d03r05-ReachabilityFireability-2024-10
FORMULA_NAME Echo-PT-d03r05-ReachabilityFireability-2024-11
FORMULA_NAME Echo-PT-d03r05-ReachabilityFireability-2024-12
FORMULA_NAME Echo-PT-d03r05-ReachabilityFireability-2024-13
FORMULA_NAME Echo-PT-d03r05-ReachabilityFireability-2024-14
FORMULA_NAME Echo-PT-d03r05-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779721309327

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Echo-PT-d03r05
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-25 15:01:51] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-25 15:01:51] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 15:01:51] [INFO ] Load time of PNML (sax parser for PT used): 373 ms
[2026-05-25 15:01:51] [INFO ] Transformed 1445 places.
[2026-05-25 15:01:51] [INFO ] Transformed 1190 transitions.
[2026-05-25 15:01:51] [INFO ] Found NUPN structural information;
[2026-05-25 15:01:51] [INFO ] Parsed PT model containing 1445 places and 1190 transitions and 8260 arcs in 624 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 45 ms.
Working with output stream class java.io.PrintStream
RANDOM walk for 40000 steps (156 resets) in 3765 ms. (10 steps per ms) remains 4/16 properties
FORMULA Echo-PT-d03r05-ReachabilityFireability-2024-15 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Echo-PT-d03r05-ReachabilityFireability-2024-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Echo-PT-d03r05-ReachabilityFireability-2024-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Echo-PT-d03r05-ReachabilityFireability-2024-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Echo-PT-d03r05-ReachabilityFireability-2024-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Echo-PT-d03r05-ReachabilityFireability-2024-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Echo-PT-d03r05-ReachabilityFireability-2024-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Echo-PT-d03r05-ReachabilityFireability-2024-06 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Echo-PT-d03r05-ReachabilityFireability-2024-05 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Echo-PT-d03r05-ReachabilityFireability-2024-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Echo-PT-d03r05-ReachabilityFireability-2024-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Echo-PT-d03r05-ReachabilityFireability-2024-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-05-25 15:01:53] [INFO ] Flatten gal took : 600 ms
[2026-05-25 15:01:53] [INFO ] Flatten gal took : 421 ms
BEST_FIRST walk for 40004 steps (8 resets) in 3015 ms. (13 steps per ms) remains 4/4 properties
[2026-05-25 15:01:54] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13317828440492419577.gal : 166 ms
[2026-05-25 15:01:54] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13800655325615290958.prop : 15 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality13317828440492419577.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13800655325615290958.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
BEST_FIRST walk for 40004 steps (8 resets) in 1698 ms. (23 steps per ms) remains 3/4 properties
FORMULA Echo-PT-d03r05-ReachabilityFireability-2024-04 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Loading property file /tmp/ReachabilityCardinality13800655325615290958.prop.
BEST_FIRST walk for 40004 steps (8 resets) in 1212 ms. (32 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1601 ms. (24 steps per ms) remains 3/3 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14128572914525277597.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1185381676134288084.kers'
[2026-05-25 15:01:55] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14128572914525277597.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1185381676134288084.kers]
Culled 0 columns in 2 ms.
// Phase 1: matrix 1190 rows 1445 cols 8260 entries
Finished phase 1 with 2 SingleSign rule and 718 generalized
[2026-05-25 15:01:55] [INFO ] Computed 725 invariants in 27 ms
Computed 725 P flows in 28 ms.
Exported basis to /tmp/petrispot-output-1185381676134288084.kers
Total runtime 31 ms.
Excessive predecessor constraint size, skipping predecessor.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/375 variables, 375/375 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/375 variables, 0/375 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 445/820 variables, 99/474 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/820 variables, 445/919 constraints. Problems are: Problem set: 0 solved, 3 unsolved
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :5 after 7
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :7 after 14
At refinement iteration 4 (INCLUDED_ONLY) 0/820 variables, 144/1063 constraints. Problems are: Problem set: 0 solved, 3 unsolved
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :14 after 61
At refinement iteration 5 (INCLUDED_ONLY) 0/820 variables, 0/1063 constraints. Problems are: Problem set: 0 solved, 3 unsolved
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :61 after 212
At refinement iteration 6 (OVERLAPS) 78/898 variables, 23/1086 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/898 variables, 78/1164 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/898 variables, 20/1184 constraints. Problems are: Problem set: 0 solved, 3 unsolved
SDD proceeding with computation,4 properties remain. new max is 128
SDD size :212 after 769
At refinement iteration 9 (INCLUDED_ONLY) 0/898 variables, 0/1184 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 45/943 variables, 9/1193 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/943 variables, 45/1238 constraints. Problems are: Problem set: 0 solved, 3 unsolved
SDD proceeding with computation,4 properties remain. new max is 256
SDD size :769 after 904
At refinement iteration 12 (INCLUDED_ONLY) 0/943 variables, 18/1256 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/943 variables, 0/1256 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Problem Echo-PT-d03r05-ReachabilityFireability-2024-13 is UNSAT
FORMULA Echo-PT-d03r05-ReachabilityFireability-2024-13 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 14 (OVERLAPS) 447/1390 variables, 357/1613 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1390 variables, 447/2060 constraints. Problems are: Problem set: 1 solved, 2 unsolved
SDD proceeding with computation,4 properties remain. new max is 512
SDD size :904 after 3678
At refinement iteration 16 (INCLUDED_ONLY) 0/1390 variables, 0/2060 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 34/1424 variables, 34/2094 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1424 variables, 34/2128 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1424 variables, 0/2128 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 20 (OVERLAPS) 21/1445 variables, 21/2149 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1445 variables, 21/2170 constraints. Problems are: Problem set: 1 solved, 2 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1445/2635 variables, and 2170 constraints, problems are : Problem set: 1 solved, 2 unsolved in 5043 ms.
Refiners :[Domain max(s): 1445/1445 constraints, Positive P Invariants (semi-flows): 165/165 constraints, Generalized P Invariants (flows): 560/560 constraints, State Equation: 0/1445 constraints, PredecessorRefiner: 3/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/235 variables, 235/235 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/235 variables, 0/235 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 338/573 variables, 74/309 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/573 variables, 338/647 constraints. Problems are: Problem set: 1 solved, 2 unsolved
Problem Echo-PT-d03r05-ReachabilityFireability-2024-00 is UNSAT
FORMULA Echo-PT-d03r05-ReachabilityFireability-2024-00 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 4 (INCLUDED_ONLY) 0/573 variables, 58/705 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/573 variables, 0/705 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 70/643 variables, 21/726 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/643 variables, 70/796 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/643 variables, 12/808 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/643 variables, 2/810 constraints. Problems are: Problem set: 2 solved, 1 unsolved
SDD proceeding with computation,4 properties remain. new max is 1024
SDD size :3678 after 19720
At refinement iteration 10 (INCLUDED_ONLY) 0/643 variables, 1/811 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/643 variables, 0/811 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 29/672 variables, 6/817 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/672 variables, 29/846 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/672 variables, 10/856 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/672 variables, 0/856 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 600/1272 variables, 381/1237 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1272 variables, 600/1837 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1272 variables, 0/1837 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 64/1336 variables, 62/1899 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1336 variables, 64/1963 constraints. Problems are: Problem set: 2 solved, 1 unsolved
SMT process timed out in 10721ms, After SMT, problems are : Problem set: 2 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 113 out of 1445 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1445/1445 places, 1190/1190 transitions.
Graph (complete) has 5918 edges and 1445 vertex of which 1310 are kept as prefixes of interest. Removing 135 places using SCC suffix rule.11 ms
Discarding 135 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 4 place count 1310 transition count 1186
Applied a total of 4 rules in 241 ms. Remains 1310 /1445 variables (removed 135) and now considering 1186/1190 (removed 4) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 252 ms. Remains : 1310/1445 places, 1186/1190 transitions.
RANDOM walk for 40000 steps (160 resets) in 1817 ms. (22 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1461 ms. (27 steps per ms) remains 1/1 properties
SDD proceeding with computation,4 properties remain. new max is 2048
SDD size :19720 after 64762
Interrupted probabilistic random walk after 328119 steps, run timeout after 3001 ms. (steps per millisecond=109 ) properties seen :0 out of 1
Probabilistic random walk after 328119 steps, saw 59495 distinct states, run finished after 3009 ms. (steps per millisecond=109 ) properties seen :0
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3615701602453954889.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16015794060230471829.kers'
[2026-05-25 15:02:10] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3615701602453954889.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16015794060230471829.kers]
Culled 0 columns in 2 ms.
// Phase 1: matrix 1186 rows 1310 cols 7600 entries
Finished phase 1 with 508 SingleSign rule and 211 generalized
[2026-05-25 15:02:11] [INFO ] Computed 591 invariants in 1785 ms
Computed 591 P flows in 1786 ms.
Exported basis to /tmp/petrispot-output-16015794060230471829.kers
Total runtime 1796 ms.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/113 variables, 113/113 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/113 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 1150/1263 variables, 544/657 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,4 properties remain. new max is 4096
SDD size :64762 after 392892
SDD proceeding with computation,4 properties remain. new max is 8192
SDD size :392892 after 1.29819e+06
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1263/2496 variables, and 1807 constraints, problems are : Problem set: 0 solved, 1 unsolved in 45036 ms.
Refiners :[Domain max(s): 1263/1310 constraints, Generalized P Invariants (flows): 544/591 constraints, State Equation: 0/1310 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/113 variables, 113/113 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/113 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 1150/1263 variables, 544/657 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1263 variables, 1150/1807 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1263 variables, 0/1807 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 47/1310 variables, 47/1854 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1310 variables, 47/1901 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1310 variables, 0/1901 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2496/2496 variables, and 3211 constraints, problems are : Problem set: 0 solved, 1 unsolved in 45028 ms.
Refiners :[Domain max(s): 1310/1310 constraints, Generalized P Invariants (flows): 591/591 constraints, State Equation: 1310/1310 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 92130ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 113 out of 1310 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1310/1310 places, 1186/1186 transitions.
Applied a total of 0 rules in 146 ms. Remains 1310 /1310 variables (removed 0) and now considering 1186/1186 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 146 ms. Remains : 1310/1310 places, 1186/1186 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1310/1310 places, 1186/1186 transitions.
Applied a total of 0 rules in 127 ms. Remains 1310 /1310 variables (removed 0) and now considering 1186/1186 (removed 0) transitions.
[2026-05-25 15:03:42] [INFO ] Invariant cache hit.
SDD proceeding with computation,4 properties remain. new max is 16384
SDD size :1.29819e+06 after 4.28782e+06
[2026-05-25 15:04:17] [INFO ] Performed 520/1310 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2026-05-25 15:04:47] [INFO ] Performed 608/1310 implicitness test of which 0 returned IMPLICIT in 60 seconds.
[2026-05-25 15:05:17] [INFO ] Performed 904/1310 implicitness test of which 0 returned IMPLICIT in 90 seconds.
SDD proceeding with computation,4 properties remain. new max is 32768
SDD size :4.28782e+06 after 1.42265e+07
[2026-05-25 15:06:22] [INFO ] Performed 1304/1310 implicitness test of which 0 returned IMPLICIT in 155 seconds.
[2026-05-25 15:06:22] [INFO ] Timeout of Implicit test with SMT after 155 seconds.
[2026-05-25 15:06:22] [INFO ] Implicit Places using invariants in 160019 ms returned []
[2026-05-25 15:06:22] [INFO ] Invariant cache hit.
[2026-05-25 15:06:51] [INFO ] Implicit Places using invariants and state equation in 28568 ms returned []
Implicit Place search using SMT with State Equation took 188601 ms to find 0 implicit places.
[2026-05-25 15:06:51] [INFO ] Redundant transitions in 116 ms returned []
Running 1185 sub problems to find dead transitions.
[2026-05-25 15:06:51] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1309 variables, 1309/1309 constraints. Problems are: Problem set: 0 solved, 1185 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1309/2496 variables, and 1894 constraints, problems are : Problem set: 0 solved, 1185 unsolved in 30068 ms.
Refiners :[Domain max(s): 1309/1310 constraints, Generalized P Invariants (flows): 585/591 constraints, State Equation: 0/1310 constraints, PredecessorRefiner: 1185/1185 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1185 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1309 variables, 1309/1309 constraints. Problems are: Problem set: 0 solved, 1185 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1309/2496 variables, and 1894 constraints, problems are : Problem set: 0 solved, 1185 unsolved in 30043 ms.
Refiners :[Domain max(s): 1309/1310 constraints, Generalized P Invariants (flows): 585/591 constraints, State Equation: 0/1310 constraints, PredecessorRefiner: 0/1185 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61044ms problems are : Problem set: 0 solved, 1185 unsolved
Search for dead transitions found 0 dead transitions in 61067ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 249979 ms. Remains : 1310/1310 places, 1186/1186 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-25 15:07:52] [INFO ] Flatten gal took : 101 ms
[2026-05-25 15:07:52] [INFO ] Applying decomposition
[2026-05-25 15:07:52] [INFO ] Flatten gal took : 90 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph15606908517671991188.txt' '-o' '/tmp/graph15606908517671991188.bin' '-w' '/tmp/graph15606908517671991188.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph15606908517671991188.bin' '-l' '-1' '-v' '-w' '/tmp/graph15606908517671991188.weights' '-q' '0' '-e' '0.001'
[2026-05-25 15:07:53] [INFO ] Decomposing Gal with order
[2026-05-25 15:07:53] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 15:07:54] [INFO ] Removed a total of 1826 redundant transitions.
[2026-05-25 15:07:54] [INFO ] Flatten gal took : 515 ms
[2026-05-25 15:07:54] [INFO ] Fuse similar labels procedure discarded/fused a total of 272 labels/synchronizations in 113 ms.
[2026-05-25 15:07:54] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17606967200688109640.gal : 39 ms
[2026-05-25 15:07:54] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5109468314732228079.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality17606967200688109640.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5109468314732228079.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality5109468314732228079.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 1
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :1 after 1
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1 after 1
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :1 after 1
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :1 after 1
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :1 after 1
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :1 after 10
Detected timeout of ITS tools.
[2026-05-25 15:37:55] [INFO ] Flatten gal took : 66 ms
Using solver Z3 to compute partial order matrices.
Built C files in :
/tmp/ltsmin2496154519224021293
[2026-05-25 15:37:55] [INFO ] Computing symmetric may disable matrix : 1186 transitions.
[2026-05-25 15:37:55] [INFO ] Applying decomposition
[2026-05-25 15:37:55] [INFO ] Computation of Complete disable matrix. took 9 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-25 15:37:55] [INFO ] Computing symmetric may enable matrix : 1186 transitions.
[2026-05-25 15:37:55] [INFO ] Computation of Complete enable matrix. took 10 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-25 15:37:55] [INFO ] Flatten gal took : 67 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph8435623516189790045.txt' '-o' '/tmp/graph8435623516189790045.bin' '-w' '/tmp/graph8435623516189790045.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph8435623516189790045.bin' '-l' '-1' '-v' '-w' '/tmp/graph8435623516189790045.weights' '-q' '0' '-e' '0.001'
[2026-05-25 15:37:56] [INFO ] Decomposing Gal with order
[2026-05-25 15:37:56] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 15:37:56] [INFO ] Computing Do-Not-Accords matrix : 1186 transitions.
[2026-05-25 15:37:56] [INFO ] Removed a total of 1941 redundant transitions.
[2026-05-25 15:37:56] [INFO ] Computation of Completed DNA matrix. took 98 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-25 15:37:56] [INFO ] Flatten gal took : 157 ms
[2026-05-25 15:37:56] [INFO ] Built C files in 625ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin2496154519224021293
Running compilation step : cd /tmp/ltsmin2496154519224021293;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '720' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
[2026-05-25 15:37:56] [INFO ] Fuse similar labels procedure discarded/fused a total of 447 labels/synchronizations in 92 ms.
[2026-05-25 15:37:56] [INFO ] Time to serialize gal into /tmp/ReachabilityFireability12927858986409491919.gal : 23 ms
[2026-05-25 15:37:56] [INFO ] Time to serialize properties into /tmp/ReachabilityFireability110041080524351292.prop : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityFireability12927858986409491919.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityFireability110041080524351292.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...307
Loading property file /tmp/ReachabilityFireability110041080524351292.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 1
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :1 after 1
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1 after 1
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :1 after 1
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :1 after 1
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :1 after 1
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :1 after 2
Compilation finished in 7860 ms.
Running link step : cd /tmp/ltsmin2496154519224021293;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 87 ms.
Running LTSmin : cd /tmp/ltsmin2496154519224021293;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '-p' '--pins-guards' '--when' '-i' 'EchoPTd03r05ReachabilityFireability202412==true'

BK_TIME_CONFINEMENT_REACHED

--------------------
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
+ [[ ReachabilityFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

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="Echo-PT-d03r05"
export BK_EXAMINATION="ReachabilityFireability"
export BK_TOOL="itstools"
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 2-5973"
echo " Executing tool itstools"
echo " Input is Echo-PT-d03r05, 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 r114-smll-177955740400183"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Echo-PT-d03r05.tgz
mv Echo-PT-d03r05 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.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 ;