About the Execution of ITS-Tools for BlocksWorld-PT-20
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 16209.951 | 3600000.00 | 5305741.00 | 620235.30 | TFFFFFTTT?TFTFFF | normal |
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.r018-smll-177946788200447.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 BlocksWorld-PT-20, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r018-smll-177946788200447
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 11M
-rw-r--r-- 1 mcc users 9.6K Mar 5 16:56 CTLCardinality.txt
-rw-r--r-- 1 mcc users 93K Mar 5 16:56 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.3K Mar 5 16:56 CTLFireability.txt
-rw-r--r-- 1 mcc users 52K Mar 5 16:56 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.7K Mar 15 07:31 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 07:31 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.8K Mar 15 07:31 LTLFireability.txt
-rw-r--r-- 1 mcc users 21K Mar 15 07:31 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.9K Mar 5 16:56 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 83K Mar 5 16:56 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 13K Mar 5 16:56 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 92K Mar 5 16:56 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 07:31 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 07:31 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 11M 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 BlocksWorld-PT-20-ReachabilityFireability-2024-00
FORMULA_NAME BlocksWorld-PT-20-ReachabilityFireability-2024-01
FORMULA_NAME BlocksWorld-PT-20-ReachabilityFireability-2024-02
FORMULA_NAME BlocksWorld-PT-20-ReachabilityFireability-2024-03
FORMULA_NAME BlocksWorld-PT-20-ReachabilityFireability-2024-04
FORMULA_NAME BlocksWorld-PT-20-ReachabilityFireability-2024-05
FORMULA_NAME BlocksWorld-PT-20-ReachabilityFireability-2024-06
FORMULA_NAME BlocksWorld-PT-20-ReachabilityFireability-2024-07
FORMULA_NAME BlocksWorld-PT-20-ReachabilityFireability-2024-08
FORMULA_NAME BlocksWorld-PT-20-ReachabilityFireability-2024-09
FORMULA_NAME BlocksWorld-PT-20-ReachabilityFireability-2024-10
FORMULA_NAME BlocksWorld-PT-20-ReachabilityFireability-2024-11
FORMULA_NAME BlocksWorld-PT-20-ReachabilityFireability-2024-12
FORMULA_NAME BlocksWorld-PT-20-ReachabilityFireability-2024-13
FORMULA_NAME BlocksWorld-PT-20-ReachabilityFireability-2024-14
FORMULA_NAME BlocksWorld-PT-20-ReachabilityFireability-2024-15
=== Now, execution of the tool begins
BK_START 1779744417994
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=BlocksWorld-PT-20
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-25 21:26:59] [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 21:27:00] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 21:27:01] [INFO ] Load time of PNML (sax parser for PT used): 1070 ms
[2026-05-25 21:27:01] [INFO ] Transformed 10711 places.
[2026-05-25 21:27:01] [INFO ] Transformed 21013 transitions.
[2026-05-25 21:27:01] [INFO ] Found NUPN structural information;
[2026-05-25 21:27:01] [INFO ] Completing missing partition info from NUPN : creating a component with [pred_on_table_0, pred_arm_empty_0, pred_on_table_1, pred_on_table_2, pred_on_table_3, pred_on_table_4, pred_on_table_5, pred_on_table_6, pred_on_table_7, pred_on_table_8, pred_on_table_9, pred_on_table_10, pred_on_table_11, pred_on_table_12, pred_on_table_13, pred_on_table_14, pred_on_table_15, pred_on_table_16, pred_on_table_17, pred_on_table_18, pred_on_table_19, pred_on_table_20, pred_on_table_21, pred_on_table_22, pred_on_table_23, pred_on_table_24, pred_on_table_25, pred_on_table_26, pred_on_table_27, pred_on_table_28, pred_on_table_29, pred_on_table_30, pred_on_table_31, pred_on_table_32, pred_on_table_33, pred_on_table_34, pred_on_table_35, pred_on_table_36, pred_on_table_37, pred_on_table_38, pred_on_table_39, pred_on_table_40, pred_on_table_41, pred_on_table_42, pred_on_table_43, pred_on_table_44, pred_on_table_45, pred_on_table_46, pred_on_table_47, pred_on_table_48, pred_on_table_49, pred_on_table_50, pred_on_table_51, pred_on_table_52, pred_on_table_53, pred_on_table_54, pred_on_table_55, pred_on_table_56, pred_on_table_57, pred_on_table_58, pred_on_table_59, pred_on_table_60, pred_on_table_61, pred_on_table_62, pred_on_table_63, pred_on_table_64, pred_on_table_65, pred_on_table_66, pred_on_table_67, pred_on_table_68, pred_on_table_69, pred_on_table_70, pred_on_table_71, pred_on_table_72, pred_on_table_73, pred_on_table_74, pred_on_table_75, pred_on_table_76, pred_on_table_77, pred_on_table_78, pred_on_table_79, pred_on_table_80, pred_on_table_81, pred_on_table_82, pred_on_table_83, pred_on_table_84, pred_on_table_85, pred_on_table_86, pred_on_table_87, pred_on_table_88, pred_on_table_89, pred_on_table_90, pred_on_table_91, pred_on_table_92, pred_on_table_93, pred_on_table_94, pred_on_table_95, pred_on_table_96, pred_on_table_97, pred_on_table_98, pred_on_table_99, pred_on_table_100, pred_on_table_101]
[2026-05-25 21:27:01] [INFO ] Parsed PT model containing 10711 places and 21013 transitions and 105048 arcs in 1401 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 29 ms.
Working with output stream class java.io.PrintStream
[2026-05-25 21:27:06] [INFO ] Flatten gal took : 2875 ms
[2026-05-25 21:27:07] [INFO ] Flatten gal took : 1278 ms
[2026-05-25 21:27:07] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4721888897829391541.gal : 421 ms
[2026-05-25 21:27:08] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10758073998340183849.prop : 8 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/ReachabilityCardinality4721888897829391541.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10758073998340183849.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 ...329
RANDOM walk for 40000 steps (8 resets) in 25515 ms. (1 steps per ms) remains 6/16 properties
FORMULA BlocksWorld-PT-20-ReachabilityFireability-2024-15 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BlocksWorld-PT-20-ReachabilityFireability-2024-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BlocksWorld-PT-20-ReachabilityFireability-2024-11 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BlocksWorld-PT-20-ReachabilityFireability-2024-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BlocksWorld-PT-20-ReachabilityFireability-2024-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BlocksWorld-PT-20-ReachabilityFireability-2024-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BlocksWorld-PT-20-ReachabilityFireability-2024-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BlocksWorld-PT-20-ReachabilityFireability-2024-05 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BlocksWorld-PT-20-ReachabilityFireability-2024-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BlocksWorld-PT-20-ReachabilityFireability-2024-01 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 1957 ms. (20 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1770 ms. (22 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (8 resets) in 1511 ms. (26 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1742 ms. (22 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (8 resets) in 1597 ms. (25 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1895 ms. (21 steps per ms) remains 6/6 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13243941433824162026.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6636068749143120328.kers'
[2026-05-25 21:27:12] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13243941433824162026.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6636068749143120328.kers]
Normalized transition count is 21012 out of 21013 initially.
Culled 0 columns in 23 ms.
// Phase 1: matrix 21012 rows 10711 cols 104448 entries
Finished phase 1 with 10506 SingleSign rule and 0 generalized
[2026-05-25 21:27:12] [INFO ] Computed 205 invariants in 179 ms
Computed 205 P flows in 181 ms.
Exported basis to /tmp/petrispot-output-6636068749143120328.kers
Total runtime 203 ms.
[2026-05-25 21:27:12] [INFO ] State equation strengthened by 185 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/219 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Loading property file /tmp/ReachabilityCardinality10758073998340183849.prop.
Problem BlocksWorld-PT-20-ReachabilityFireability-2024-00 is UNSAT
FORMULA BlocksWorld-PT-20-ReachabilityFireability-2024-00 TRUE TECHNIQUES SMT_REFINEMENT
Problem BlocksWorld-PT-20-ReachabilityFireability-2024-04 is UNSAT
FORMULA BlocksWorld-PT-20-ReachabilityFireability-2024-04 FALSE TECHNIQUES SMT_REFINEMENT
Problem BlocksWorld-PT-20-ReachabilityFireability-2024-13 is UNSAT
FORMULA BlocksWorld-PT-20-ReachabilityFireability-2024-13 FALSE TECHNIQUES SMT_REFINEMENT
Problem BlocksWorld-PT-20-ReachabilityFireability-2024-14 is UNSAT
FORMULA BlocksWorld-PT-20-ReachabilityFireability-2024-14 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 1 (OVERLAPS) 10250/10469 variables, 171/171 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10469 variables, 0/171 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 242/10711 variables, 34/205 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/10711 variables, 0/205 constraints. Problems are: Problem set: 4 solved, 2 unsolved
SMT process timed out in 5849ms, After SMT, problems are : Problem set: 4 solved, 2 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 105 out of 10711 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 10711/10711 places, 21013/21013 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 10711 transition count 21012
SDD proceeding with computation,16 properties remain. new max is 4
SDD size :1 after 305
Applied a total of 1 rules in 369621 ms. Remains 10711 /10711 variables (removed 0) and now considering 21012/21013 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 369654 ms. Remains : 10711/10711 places, 21012/21013 transitions.
RANDOM walk for 40000 steps (8 resets) in 15081 ms. (2 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1404 ms. (28 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1562 ms. (25 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 332538 steps, run timeout after 12001 ms. (steps per millisecond=27 ) properties seen :0 out of 2
Probabilistic random walk after 332538 steps, saw 295984 distinct states, run finished after 12011 ms. (steps per millisecond=27 ) 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-8621209949817743148.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2180097332237203846.kers'
[2026-05-25 21:33:44] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8621209949817743148.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2180097332237203846.kers]
Culled 0 columns in 22 ms.
// Phase 1: matrix 21012 rows 10711 cols 104448 entries
Finished phase 1 with 10506 SingleSign rule and 0 generalized
[2026-05-25 21:33:44] [INFO ] Computed 205 invariants in 170 ms
Computed 205 P flows in 171 ms.
Exported basis to /tmp/petrispot-output-2180097332237203846.kers
Total runtime 191 ms.
[2026-05-25 21:33:44] [INFO ] State equation strengthened by 184 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/105 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 8542/8647 variables, 113/113 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8647 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 2064/10711 variables, 92/205 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/10711 variables, 0/205 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 21012/31723 variables, 10711/10916 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/31723 variables, 184/11100 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/31723 variables, 0/11100 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/31723 variables, 0/11100 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 31723/31723 variables, and 11100 constraints, problems are : Problem set: 0 solved, 2 unsolved in 31121 ms.
Refiners :[Positive P Invariants (semi-flows): 205/205 constraints, State Equation: 10711/10711 constraints, ReadFeed: 184/184 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/105 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 8542/8647 variables, 113/113 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8647 variables, 2/115 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8647 variables, 0/115 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 2064/10711 variables, 92/207 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/10711 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 21012/31723 variables, 10711/10918 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 31723/31723 variables, and 11102 constraints, problems are : Problem set: 0 solved, 2 unsolved in 37937 ms.
Refiners :[Positive P Invariants (semi-flows): 205/205 constraints, State Equation: 10711/10711 constraints, ReadFeed: 184/184 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 69434ms problems are : Problem set: 0 solved, 2 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 105 out of 10711 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 10711/10711 places, 21012/21012 transitions.
Applied a total of 0 rules in 256348 ms. Remains 10711 /10711 variables (removed 0) and now considering 21012/21012 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 256349 ms. Remains : 10711/10711 places, 21012/21012 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 10711/10711 places, 21012/21012 transitions.
Applied a total of 0 rules in 252378 ms. Remains 10711 /10711 variables (removed 0) and now considering 21012/21012 (removed 0) transitions.
[2026-05-25 21:43:22] [INFO ] Invariant cache hit.
[2026-05-25 21:43:49] [INFO ] Implicit Places using invariants in 27446 ms returned []
Implicit Place search using SMT only with invariants took 27462 ms to find 0 implicit places.
Running 21002 sub problems to find dead transitions.
[2026-05-25 21:43:50] [INFO ] Invariant cache hit.
[2026-05-25 21:43:50] [INFO ] State equation strengthened by 184 read => feed constraints.
Problem TDEAD1 is UNSAT
Problem TDEAD103 is UNSAT
Problem TDEAD307 is UNSAT
Problem TDEAD410 is UNSAT
Problem TDEAD719 is UNSAT
Problem TDEAD822 is UNSAT
At refinement iteration 0 (INCLUDED_ONLY) 0/10701 variables, 185/185 constraints. Problems are: Problem set: 6 solved, 20996 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 10701/31723 variables, and 185 constraints, problems are : Problem set: 6 solved, 20996 unsolved in 32088 ms.
Refiners :[Positive P Invariants (semi-flows): 185/205 constraints, State Equation: 0/10711 constraints, ReadFeed: 0/184 constraints, PredecessorRefiner: 20997/204 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 6 solved, 20996 unsolved
Problem TDEAD925 is UNSAT
Problem TDEAD1028 is UNSAT
Problem TDEAD1131 is UNSAT
Problem TDEAD1234 is UNSAT
Problem TDEAD1337 is UNSAT
Problem TDEAD1440 is UNSAT
Problem TDEAD1543 is UNSAT
Problem TDEAD1646 is UNSAT
Problem TDEAD1749 is UNSAT
At refinement iteration 0 (INCLUDED_ONLY) 0/10696 variables, 175/175 constraints. Problems are: Problem set: 15 solved, 20987 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 10696/31723 variables, and 175 constraints, problems are : Problem set: 15 solved, 20987 unsolved in 30848 ms.
Refiners :[Positive P Invariants (semi-flows): 175/205 constraints, State Equation: 0/10711 constraints, ReadFeed: 0/184 constraints, PredecessorRefiner: 20784/204 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 311044ms problems are : Problem set: 15 solved, 20987 unsolved
Search for dead transitions found 15 dead transitions in 311190ms
Found 15 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 15 transitions
Dead transitions reduction (with SMT) removed 15 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 10711/10711 places, 20997/21012 transitions.
Graph (complete) has 52616 edges and 10711 vertex of which 10697 are kept as prefixes of interest. Removing 14 places using SCC suffix rule.137 ms
Discarding 14 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 298836 ms. Remains 10697 /10711 variables (removed 14) and now considering 20997/20997 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6980617634231635685.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-304742801311532413.kers'
[2026-05-25 21:54:00] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6980617634231635685.kers, --Pflows, --basisKERS=/tmp/petrispot-output-304742801311532413.kers]
Culled 0 columns in 37 ms.
// Phase 1: matrix 20997 rows 10697 cols 104390 entries
Finished phase 1 with 10492 SingleSign rule and 13 generalized
[2026-05-25 21:54:01] [INFO ] Computed 192 invariants in 302 ms
Computed 192 P flows in 304 ms.
Exported basis to /tmp/petrispot-output-304742801311532413.kers
Total runtime 337 ms.
[2026-05-25 21:54:41] [INFO ] Performed 6203/10697 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2026-05-25 21:55:09] [INFO ] Implicit Places using invariants in 69263 ms returned []
Implicit Place search using SMT only with invariants took 69280 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 10697/10711 places, 20997/21012 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 959750 ms. Remains : 10697/10711 places, 20997/21012 transitions.
RANDOM walk for 40000 steps (8 resets) in 14864 ms. (2 steps per ms) remains 1/2 properties
FORMULA BlocksWorld-PT-20-ReachabilityFireability-2024-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 2745 ms. (14 steps per ms) remains 1/1 properties
[2026-05-25 21:55:19] [INFO ] Invariant cache hit.
[2026-05-25 21:55:19] [INFO ] State equation strengthened by 170 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/78 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 6514/6592 variables, 77/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6592 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 3929/10521 variables, 102/179 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/10521 variables, 0/179 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 176/10697 variables, 13/192 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/10697 variables, 0/192 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 31694/31694 variables, and 10889 constraints, problems are : Problem set: 0 solved, 1 unsolved in 49468 ms.
Refiners :[Positive P Invariants (semi-flows): 179/179 constraints, Generalized P Invariants (flows): 13/13 constraints, State Equation: 10697/10697 constraints, ReadFeed: 0/170 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) 0/78 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 6514/6592 variables, 77/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6592 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 3929/10521 variables, 102/179 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/10521 variables, 0/179 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 176/10697 variables, 13/192 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/10697 variables, 0/192 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
Detected timeout of ITS tools.
After SMT solving in domain Int declared 31694/31694 variables, and 10889 constraints, problems are : Problem set: 0 solved, 1 unsolved in 60587 ms.
Refiners :[Positive P Invariants (semi-flows): 179/179 constraints, Generalized P Invariants (flows): 13/13 constraints, State Equation: 10697/10697 constraints, ReadFeed: 0/170 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 110204ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 78 out of 10697 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 10697/10697 places, 20997/20997 transitions.
[2026-05-25 21:57:13] [INFO ] Flatten gal took : 2141 ms
[2026-05-25 21:57:13] [INFO ] Applying decomposition
[2026-05-25 21:57:14] [INFO ] Flatten gal took : 656 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/graph13364740678312753588.txt' '-o' '/tmp/graph13364740678312753588.bin' '-w' '/tmp/graph13364740678312753588.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph13364740678312753588.bin' '-l' '-1' '-v' '-w' '/tmp/graph13364740678312753588.weights' '-q' '0' '-e' '0.001'
[2026-05-25 21:57:17] [INFO ] Decomposing Gal with order
[2026-05-25 21:57:19] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 21:57:24] [INFO ] Removed a total of 40798 redundant transitions.
[2026-05-25 21:57:25] [INFO ] Flatten gal took : 4807 ms
[2026-05-25 21:57:27] [INFO ] Fuse similar labels procedure discarded/fused a total of 1578 labels/synchronizations in 1146 ms.
[2026-05-25 21:57:28] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14060278586291728178.gal : 230 ms
[2026-05-25 21:57:28] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5763612337484580518.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/ReachabilityCardinality14060278586291728178.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5763612337484580518.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/ReachabilityCardinality5763612337484580518.prop.
Applied a total of 0 rules in 261748 ms. Remains 10697 /10697 variables (removed 0) and now considering 20997/20997 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 261749 ms. Remains : 10697/10697 places, 20997/20997 transitions.
RANDOM walk for 40000 steps (8 resets) in 14296 ms. (2 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1537 ms. (26 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 421982 steps, run timeout after 12002 ms. (steps per millisecond=35 ) properties seen :0 out of 1
Probabilistic random walk after 421982 steps, saw 376377 distinct states, run finished after 12002 ms. (steps per millisecond=35 ) properties seen :0
[2026-05-25 22:01:47] [INFO ] Invariant cache hit.
[2026-05-25 22:01:47] [INFO ] State equation strengthened by 170 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/78 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 6514/6592 variables, 77/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6592 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 3929/10521 variables, 102/179 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/10521 variables, 0/179 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 176/10697 variables, 13/192 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/10697 variables, 0/192 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 20997/31694 variables, 10697/10889 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/31694 variables, 170/11059 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/31694 variables, 0/11059 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/31694 variables, 0/11059 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 31694/31694 variables, and 11059 constraints, problems are : Problem set: 0 solved, 1 unsolved in 23265 ms.
Refiners :[Positive P Invariants (semi-flows): 179/179 constraints, Generalized P Invariants (flows): 13/13 constraints, State Equation: 10697/10697 constraints, ReadFeed: 170/170 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) 0/78 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 6514/6592 variables, 77/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6592 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 3929/10521 variables, 102/179 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/10521 variables, 0/179 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 176/10697 variables, 13/192 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/10697 variables, 0/192 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 20997/31694 variables, 10697/10889 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 31694/31694 variables, and 11059 constraints, problems are : Problem set: 0 solved, 1 unsolved in 37826 ms.
Refiners :[Positive P Invariants (semi-flows): 179/179 constraints, Generalized P Invariants (flows): 13/13 constraints, State Equation: 10697/10697 constraints, ReadFeed: 170/170 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61196ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 78 out of 10697 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 10697/10697 places, 20997/20997 transitions.
Applied a total of 0 rules in 642273 ms. Remains 10697 /10697 variables (removed 0) and now considering 20997/20997 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 642540 ms. Remains : 10697/10697 places, 20997/20997 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 10697/10697 places, 20997/20997 transitions.
ITS-tools command line returned an error code 137
Built C files in :
/tmp/ltsmin15845305405051689834
[2026-05-25 22:24:14] [INFO ] Built C files in 1504ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin15845305405051689834
Running compilation step : cd /tmp/ltsmin15845305405051689834;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '172943619' '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'
Applied a total of 0 rules in 759905 ms. Remains 10697 /10697 variables (removed 0) and now considering 20997/20997 (removed 0) transitions.
[2026-05-25 22:26:11] [INFO ] Invariant cache hit.
[2026-05-25 22:26:41] [INFO ] Implicit Places using invariants in 30364 ms returned []
Implicit Place search using SMT only with invariants took 30377 ms to find 0 implicit places.
Running 20987 sub problems to find dead transitions.
[2026-05-25 22:26:42] [INFO ] Invariant cache hit.
[2026-05-25 22:26:42] [INFO ] State equation strengthened by 170 read => feed constraints.
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="BlocksWorld-PT-20"
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 BlocksWorld-PT-20, 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 r018-smll-177946788200447"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/BlocksWorld-PT-20.tgz
mv BlocksWorld-PT-20 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 '
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 ;