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.r162-smll-177961107900415.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 LamportFastMutEx-PT-4, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r162-smll-177961107900415
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 936K
-rw-r--r-- 1 mcc users 14K Mar 7 16:44 CTLCardinality.txt
-rw-r--r-- 1 mcc users 99K Mar 7 16:44 CTLCardinality.xml
-rw-r--r-- 1 mcc users 23K Mar 7 16:44 CTLFireability.txt
-rw-r--r-- 1 mcc users 140K Mar 7 16:44 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 7.6K Mar 15 11:11 LTLCardinality.txt
-rw-r--r-- 1 mcc users 39K Mar 15 11:11 LTLCardinality.xml
-rw-r--r-- 1 mcc users 7.7K Mar 15 11:11 LTLFireability.txt
-rw-r--r-- 1 mcc users 37K Mar 15 11:11 LTLFireability.xml
-rw-r--r-- 1 mcc users 27K Mar 7 16:44 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 170K Mar 7 16:44 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 30K Mar 7 16:44 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 172K Mar 7 16:44 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 11:11 UpperBounds.txt
-rw-r--r-- 1 mcc users 5.5K Mar 15 11:11 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 2 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 114K 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 LamportFastMutEx-PT-4-ReachabilityFireability-2024-00
FORMULA_NAME LamportFastMutEx-PT-4-ReachabilityFireability-2024-01
FORMULA_NAME LamportFastMutEx-PT-4-ReachabilityFireability-2024-02
FORMULA_NAME LamportFastMutEx-PT-4-ReachabilityFireability-2024-03
FORMULA_NAME LamportFastMutEx-PT-4-ReachabilityFireability-2024-04
FORMULA_NAME LamportFastMutEx-PT-4-ReachabilityFireability-2024-05
FORMULA_NAME LamportFastMutEx-PT-4-ReachabilityFireability-2024-06
FORMULA_NAME LamportFastMutEx-PT-4-ReachabilityFireability-2024-07
FORMULA_NAME LamportFastMutEx-PT-4-ReachabilityFireability-2024-08
FORMULA_NAME LamportFastMutEx-PT-4-ReachabilityFireability-2024-09
FORMULA_NAME LamportFastMutEx-PT-4-ReachabilityFireability-2024-10
FORMULA_NAME LamportFastMutEx-PT-4-ReachabilityFireability-2024-11
FORMULA_NAME LamportFastMutEx-PT-4-ReachabilityFireability-2024-12
FORMULA_NAME LamportFastMutEx-PT-4-ReachabilityFireability-2024-13
FORMULA_NAME LamportFastMutEx-PT-4-ReachabilityFireability-2024-14
FORMULA_NAME LamportFastMutEx-PT-4-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779876880276

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=LamportFastMutEx-PT-4
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-27 10:14:42] [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]
[2026-05-27 10:14:42] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-27 10:14:43] [INFO ] Load time of PNML (sax parser for PT used): 188 ms
[2026-05-27 10:14:43] [INFO ] Transformed 135 places.
[2026-05-27 10:14:43] [INFO ] Transformed 230 transitions.
[2026-05-27 10:14:43] [INFO ] Found NUPN structural information;
[2026-05-27 10:14:43] [INFO ] Completing missing partition info from NUPN : creating a component with [P_start_1_0, P_start_1_1, P_start_1_2, P_start_1_3, P_start_1_4, P_b_0_false, P_b_0_true, P_b_1_false, P_b_1_true, P_b_2_false, P_b_2_true, P_b_3_false, P_b_3_true, P_b_4_false, P_b_4_true, P_setx_3_0, P_setx_3_1, P_setx_3_2, P_setx_3_3, P_setx_3_4, P_setbi_5_0, P_setbi_5_1, P_setbi_5_2, P_setbi_5_3, P_setbi_5_4, P_ify0_4_0, P_ify0_4_1, P_ify0_4_2, P_ify0_4_3, P_ify0_4_4, P_sety_9_0, P_sety_9_1, P_sety_9_2, P_sety_9_3, P_sety_9_4, P_ifxi_10_0, P_ifxi_10_1, P_ifxi_10_2, P_ifxi_10_3, P_ifxi_10_4, P_setbi_11_0, P_setbi_11_1, P_setbi_11_2, P_setbi_11_3, P_setbi_11_4, P_fordo_12_0, P_fordo_12_1, P_fordo_12_2, P_fordo_12_3, P_fordo_12_4, P_wait_0_0, P_wait_0_1, P_wait_0_2, P_wait_0_3, P_wait_0_4, P_wait_1_0, P_wait_1_1, P_wait_1_2, P_wait_1_3, P_wait_1_4, P_wait_2_0, P_wait_2_1, P_wait_2_2, P_wait_2_3, P_wait_2_4, P_wait_3_0, P_wait_3_1, P_wait_3_2, P_wait_3_3, P_wait_3_4, P_wait_4_0, P_wait_4_1, P_wait_4_2, P_wait_4_3, P_wait_4_4, P_await_13_0, P_await_13_1, P_await_13_2, P_await_13_3, P_await_13_4, P_done_0_0, P_done_0_1, P_done_0_2, P_done_0_3, P_done_0_4, P_done_1_0, P_done_1_1, P_done_1_2, P_done_1_3, P_done_1_4, P_done_2_0, P_done_2_1, P_done_2_2, P_done_2_3, P_done_2_4, P_done_3_0, P_done_3_1, P_done_3_2, P_done_3_3, P_done_3_4, P_done_4_0, P_done_4_1, P_done_4_2, P_done_4_3, P_done_4_4, P_ifyi_15_0, P_ifyi_15_1, P_ifyi_15_2, P_ifyi_15_3, P_ifyi_15_4, P_awaity_0, P_awaity_1, P_awaity_2, P_awaity_3, P_awaity_4, P_CS_21_0, P_CS_21_1, P_CS_21_2, P_CS_21_3, P_CS_21_4, P_setbi_24_0, P_setbi_24_1, P_setbi_24_2, P_setbi_24_3, P_setbi_24_4]
[2026-05-27 10:14:43] [INFO ] Parsed PT model containing 135 places and 230 transitions and 990 arcs in 465 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 48 ms.
Working with output stream class java.io.PrintStream
Deduced a syphon composed of 33 places in 3 ms
Reduce places removed 33 places and 50 transitions.
FORMULA LamportFastMutEx-PT-4-ReachabilityFireability-2024-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LamportFastMutEx-PT-4-ReachabilityFireability-2024-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LamportFastMutEx-PT-4-ReachabilityFireability-2024-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40000 steps (8 resets) in 2639 ms. (15 steps per ms) remains 6/13 properties
FORMULA LamportFastMutEx-PT-4-ReachabilityFireability-2024-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA LamportFastMutEx-PT-4-ReachabilityFireability-2024-08 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA LamportFastMutEx-PT-4-ReachabilityFireability-2024-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA LamportFastMutEx-PT-4-ReachabilityFireability-2024-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA LamportFastMutEx-PT-4-ReachabilityFireability-2024-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA LamportFastMutEx-PT-4-ReachabilityFireability-2024-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA LamportFastMutEx-PT-4-ReachabilityFireability-2024-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-05-27 10:14:44] [INFO ] Flatten gal took : 158 ms
[2026-05-27 10:14:44] [INFO ] Flatten gal took : 66 ms
[2026-05-27 10:14:44] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality367449583174683737.gal : 52 ms
[2026-05-27 10:14:44] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1597837089254859699.prop : 21 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/ReachabilityCardinality367449583174683737.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1597837089254859699.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40002 steps (8 resets) in 2448 ms. (16 steps per ms) remains 6/6 properties

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 ...327
Loading property file /tmp/ReachabilityCardinality1597837089254859699.prop.
BEST_FIRST walk for 40002 steps (8 resets) in 731 ms. (54 steps per ms) remains 6/6 properties
SDD proceeding with computation,6 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,6 properties remain. new max is 8
SDD size :2 after 4
SDD proceeding with computation,6 properties remain. new max is 16
SDD size :4 after 17
SDD proceeding with computation,6 properties remain. new max is 32
SDD size :17 after 20
SDD proceeding with computation,6 properties remain. new max is 64
SDD size :20 after 59
SDD proceeding with computation,6 properties remain. new max is 128
SDD size :59 after 122
BEST_FIRST walk for 40004 steps (8 resets) in 217 ms. (183 steps per ms) remains 6/6 properties
SDD proceeding with computation,6 properties remain. new max is 256
SDD size :122 after 229
BEST_FIRST walk for 40003 steps (8 resets) in 153 ms. (259 steps per ms) remains 6/6 properties
SDD proceeding with computation,6 properties remain. new max is 512
SDD size :229 after 1756
BEST_FIRST walk for 40004 steps (8 resets) in 199 ms. (200 steps per ms) remains 6/6 properties
SDD proceeding with computation,6 properties remain. new max is 1024
SDD size :1756 after 6248
BEST_FIRST walk for 40004 steps (8 resets) in 960 ms. (41 steps per ms) remains 6/6 properties
[2026-05-27 10:14:45] [INFO ] Flow matrix only has 144 transitions (discarded 36 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14931782589802003090.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-588743370575555897.kers'
[2026-05-27 10:14:45] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14931782589802003090.kers, --Pflows, --basisKERS=/tmp/petrispot-output-588743370575555897.kers]
Culling duplicate invariants (modulo rational): removing 4 columns.
Culled 4 columns in 0 ms.
// Phase 1: matrix 144 rows 98 cols 432 entries
Finished phase 1 with 76 SingleSign rule and 0 generalized
[2026-05-27 10:14:45] [INFO ] Computed 26 invariants in 1 ms
Computed 26 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-588743370575555897.kers
Total runtime 3 ms.
[2026-05-27 10:14:45] [INFO ] State equation strengthened by 40 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/102 variables, 102/102 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/102 variables, 26/128 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/102 variables, 0/128 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 144/246 variables, 102/230 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/246 variables, 40/270 constraints. Problems are: Problem set: 0 solved, 6 unsolved
SDD proceeding with computation,6 properties remain. new max is 2048
SDD size :6248 after 21066
At refinement iteration 5 (INCLUDED_ONLY) 0/246 variables, 0/270 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/246 variables, 0/270 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 246/246 variables, and 270 constraints, problems are : Problem set: 0 solved, 6 unsolved in 826 ms.
Refiners :[Domain max(s): 102/102 constraints, Positive P Invariants (semi-flows): 26/26 constraints, State Equation: 102/102 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 6/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Problem LamportFastMutEx-PT-4-ReachabilityFireability-2024-05 is UNSAT
FORMULA LamportFastMutEx-PT-4-ReachabilityFireability-2024-05 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 0 (INCLUDED_ONLY) 0/102 variables, 102/102 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/102 variables, 26/128 constraints. Problems are: Problem set: 1 solved, 5 unsolved
Problem LamportFastMutEx-PT-4-ReachabilityFireability-2024-10 is UNSAT
FORMULA LamportFastMutEx-PT-4-ReachabilityFireability-2024-10 TRUE TECHNIQUES SMT_REFINEMENT
Problem LamportFastMutEx-PT-4-ReachabilityFireability-2024-13 is UNSAT
FORMULA LamportFastMutEx-PT-4-ReachabilityFireability-2024-13 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (INCLUDED_ONLY) 0/102 variables, 20/148 constraints. Problems are: Problem set: 3 solved, 3 unsolved
Problem LamportFastMutEx-PT-4-ReachabilityFireability-2024-01 is UNSAT
FORMULA LamportFastMutEx-PT-4-ReachabilityFireability-2024-01 TRUE TECHNIQUES SMT_REFINEMENT
Problem LamportFastMutEx-PT-4-ReachabilityFireability-2024-09 is UNSAT
FORMULA LamportFastMutEx-PT-4-ReachabilityFireability-2024-09 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 3 (INCLUDED_ONLY) 0/102 variables, 4/152 constraints. Problems are: Problem set: 5 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 0/152 constraints. Problems are: Problem set: 5 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 144/246 variables, 102/254 constraints. Problems are: Problem set: 5 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/246 variables, 40/294 constraints. Problems are: Problem set: 5 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/246 variables, 0/294 constraints. Problems are: Problem set: 5 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/246 variables, 0/294 constraints. Problems are: Problem set: 5 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 246/246 variables, and 294 constraints, problems are : Problem set: 5 solved, 1 unsolved in 3051 ms.
Refiners :[Domain max(s): 102/102 constraints, Positive P Invariants (semi-flows): 26/26 constraints, State Equation: 102/102 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 2/3 constraints, Known Traps: 24/24 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4060ms problems are : Problem set: 5 solved, 1 unsolved
Parikh walk visited 0 properties in 22 ms.
Support contains 49 out of 102 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 102/102 places, 180/180 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 101 transition count 179
Applied a total of 2 rules in 87 ms. Remains 101 /102 variables (removed 1) and now considering 179/180 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 97 ms. Remains : 101/102 places, 179/180 transitions.
RANDOM walk for 40000 steps (8 resets) in 487 ms. (81 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (8 resets) in 405 ms. (98 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1374904 steps, run timeout after 3001 ms. (steps per millisecond=458 ) properties seen :0 out of 1
Probabilistic random walk after 1374904 steps, saw 327415 distinct states, run finished after 3012 ms. (steps per millisecond=456 ) properties seen :0
[2026-05-27 10:14:53] [INFO ] Flow matrix only has 143 transitions (discarded 36 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7694119094247319380.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16463631985773994694.kers'
[2026-05-27 10:14:53] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7694119094247319380.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16463631985773994694.kers]
Culling duplicate invariants (modulo rational): removing 4 columns.
Culled 4 columns in 0 ms.
// Phase 1: matrix 143 rows 97 cols 434 entries
Finished phase 1 with 75 SingleSign rule and 0 generalized
[2026-05-27 10:14:53] [INFO ] Computed 26 invariants in 0 ms
Computed 26 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-16463631985773994694.kers
Total runtime 1 ms.
[2026-05-27 10:14:53] [INFO ] State equation strengthened by 40 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 49/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 4/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/49 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 50/99 variables, 21/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/99 variables, 50/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/99 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 143/242 variables, 99/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/242 variables, 40/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/242 variables, 0/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 2/244 variables, 2/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/244 variables, 2/267 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/244 variables, 1/268 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/244 variables, 0/268 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/244 variables, 0/268 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 268 constraints, problems are : Problem set: 0 solved, 1 unsolved in 232 ms.
Refiners :[Domain max(s): 101/101 constraints, Positive P Invariants (semi-flows): 26/26 constraints, State Equation: 101/101 constraints, ReadFeed: 40/40 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) 0/49 variables, 49/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 4/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/49 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 50/99 variables, 21/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/99 variables, 50/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/99 variables, 2/126 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/99 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 143/242 variables, 99/225 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/242 variables, 40/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/242 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 2/244 variables, 2/267 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/244 variables, 2/269 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/244 variables, 1/270 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/244 variables, 0/270 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/244 variables, 1/271 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/244 variables, 0/271 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/244 variables, 0/271 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 244/244 variables, and 271 constraints, problems are : Problem set: 0 solved, 1 unsolved in 555 ms.
Refiners :[Domain max(s): 101/101 constraints, Positive P Invariants (semi-flows): 26/26 constraints, State Equation: 101/101 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 809ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 17 ms.
Support contains 49 out of 101 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 101/101 places, 179/179 transitions.
Applied a total of 0 rules in 14 ms. Remains 101 /101 variables (removed 0) and now considering 179/179 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 101/101 places, 179/179 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 101/101 places, 179/179 transitions.
Applied a total of 0 rules in 14 ms. Remains 101 /101 variables (removed 0) and now considering 179/179 (removed 0) transitions.
[2026-05-27 10:14:54] [INFO ] Flow matrix only has 143 transitions (discarded 36 similar events)
[2026-05-27 10:14:54] [INFO ] Invariant cache hit.
[2026-05-27 10:14:54] [INFO ] Implicit Places using invariants in 172 ms returned [66, 68]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 188 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 99/101 places, 179/179 transitions.
Applied a total of 0 rules in 10 ms. Remains 99 /99 variables (removed 0) and now considering 179/179 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 212 ms. Remains : 99/101 places, 179/179 transitions.
RANDOM walk for 40000 steps (8 resets) in 141 ms. (281 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (8 resets) in 293 ms. (136 steps per ms) remains 1/1 properties
SDD proceeding with computation,6 properties remain. new max is 4096
SDD size :21066 after 246368
Interrupted probabilistic random walk after 1332828 steps, run timeout after 3001 ms. (steps per millisecond=444 ) properties seen :0 out of 1
Probabilistic random walk after 1332828 steps, saw 318664 distinct states, run finished after 3001 ms. (steps per millisecond=444 ) properties seen :0
[2026-05-27 10:14:57] [INFO ] Flow matrix only has 143 transitions (discarded 36 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5600178496831590706.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7350346336101479339.kers'
[2026-05-27 10:14:57] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5600178496831590706.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7350346336101479339.kers]
Culling duplicate invariants (modulo rational): removing 4 columns.
Culled 4 columns in 0 ms.
// Phase 1: matrix 143 rows 95 cols 429 entries
Finished phase 1 with 75 SingleSign rule and 0 generalized
[2026-05-27 10:14:57] [INFO ] Computed 24 invariants in 0 ms
Computed 24 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-7350346336101479339.kers
Total runtime 1 ms.
[2026-05-27 10:14:57] [INFO ] State equation strengthened by 32 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 49/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 4/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/49 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 48/97 variables, 19/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/97 variables, 48/120 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/97 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 143/240 variables, 97/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/240 variables, 32/249 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/240 variables, 0/249 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 2/242 variables, 2/251 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/242 variables, 2/253 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/242 variables, 1/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/242 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/242 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 254 constraints, problems are : Problem set: 0 solved, 1 unsolved in 193 ms.
Refiners :[Domain max(s): 99/99 constraints, Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 99/99 constraints, ReadFeed: 32/32 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) 0/49 variables, 49/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 4/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/49 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 48/97 variables, 19/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/97 variables, 48/120 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/97 variables, 5/125 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/97 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 143/240 variables, 97/222 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/240 variables, 32/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/240 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 2/242 variables, 2/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/242 variables, 2/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/242 variables, 1/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/242 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/242 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 242/242 variables, and 259 constraints, problems are : Problem set: 0 solved, 1 unsolved in 566 ms.
Refiners :[Domain max(s): 99/99 constraints, Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 99/99 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 772ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 12 ms.
Support contains 49 out of 99 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 179/179 transitions.
Applied a total of 0 rules in 8 ms. Remains 99 /99 variables (removed 0) and now considering 179/179 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 99/99 places, 179/179 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 179/179 transitions.
Applied a total of 0 rules in 8 ms. Remains 99 /99 variables (removed 0) and now considering 179/179 (removed 0) transitions.
[2026-05-27 10:14:58] [INFO ] Flow matrix only has 143 transitions (discarded 36 similar events)
[2026-05-27 10:14:58] [INFO ] Invariant cache hit.
[2026-05-27 10:14:58] [INFO ] Implicit Places using invariants in 89 ms returned []
[2026-05-27 10:14:58] [INFO ] Flow matrix only has 143 transitions (discarded 36 similar events)
[2026-05-27 10:14:58] [INFO ] Invariant cache hit.
[2026-05-27 10:14:58] [INFO ] State equation strengthened by 32 read => feed constraints.
[2026-05-27 10:14:58] [INFO ] Implicit Places using invariants and state equation in 203 ms returned []
Implicit Place search using SMT with State Equation took 296 ms to find 0 implicit places.
[2026-05-27 10:14:58] [INFO ] Redundant transitions in 7 ms returned []
Running 175 sub problems to find dead transitions.
[2026-05-27 10:14:58] [INFO ] Flow matrix only has 143 transitions (discarded 36 similar events)
[2026-05-27 10:14:58] [INFO ] Invariant cache hit.
[2026-05-27 10:14:58] [INFO ] State equation strengthened by 32 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 99/99 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/99 variables, 24/123 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Problem TDEAD1 is UNSAT
Problem TDEAD3 is UNSAT
Problem TDEAD5 is UNSAT
Problem TDEAD7 is UNSAT
Problem TDEAD28 is UNSAT
Problem TDEAD33 is UNSAT
Problem TDEAD38 is UNSAT
Problem TDEAD43 is UNSAT
Problem TDEAD44 is UNSAT
Problem TDEAD46 is UNSAT
Problem TDEAD48 is UNSAT
Problem TDEAD50 is UNSAT
Problem TDEAD61 is UNSAT
Problem TDEAD67 is UNSAT
Problem TDEAD73 is UNSAT
Problem TDEAD79 is UNSAT
Problem TDEAD1 is UNSAT
Problem TDEAD3 is UNSAT
Problem TDEAD5 is UNSAT
Problem TDEAD7 is UNSAT
Problem TDEAD28 is UNSAT
Problem TDEAD33 is UNSAT
Problem TDEAD38 is UNSAT
Problem TDEAD43 is UNSAT
Problem TDEAD44 is UNSAT
Problem TDEAD46 is UNSAT
Problem TDEAD48 is UNSAT
Problem TDEAD50 is UNSAT
Problem TDEAD61 is UNSAT
Problem TDEAD67 is UNSAT
Problem TDEAD73 is UNSAT
Problem TDEAD79 is UNSAT
Problem TDEAD80 is UNSAT
Problem TDEAD92 is UNSAT
Problem TDEAD96 is UNSAT
Problem TDEAD98 is UNSAT
Problem TDEAD100 is UNSAT
Problem TDEAD177 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/99 variables, 20/143 constraints. Problems are: Problem set: 22 solved, 153 unsolved
Problem TDEAD84 is UNSAT
Problem TDEAD88 is UNSAT
Problem TDEAD84 is UNSAT
Problem TDEAD88 is UNSAT
At refinement iteration 3 (INCLUDED_ONLY) 0/99 variables, 20/163 constraints. Problems are: Problem set: 24 solved, 151 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/99 variables, 6/169 constraints. Problems are: Problem set: 24 solved, 151 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/99 variables, 3/172 constraints. Problems are: Problem set: 24 solved, 151 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/99 variables, 4/176 constraints. Problems are: Problem set: 24 solved, 151 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/99 variables, 2/178 constraints. Problems are: Problem set: 24 solved, 151 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/99 variables, 0/178 constraints. Problems are: Problem set: 24 solved, 151 unsolved
At refinement iteration 9 (OVERLAPS) 143/242 variables, 99/277 constraints. Problems are: Problem set: 24 solved, 151 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/242 variables, 32/309 constraints. Problems are: Problem set: 24 solved, 151 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/242 variables, 0/309 constraints. Problems are: Problem set: 24 solved, 151 unsolved
At refinement iteration 12 (OVERLAPS) 0/242 variables, 0/309 constraints. Problems are: Problem set: 24 solved, 151 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 309 constraints, problems are : Problem set: 24 solved, 151 unsolved in 19240 ms.
Refiners :[Domain max(s): 99/99 constraints, Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 99/99 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 175/175 constraints, Known Traps: 55/55 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 24 solved, 151 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/95 variables, 95/95 constraints. Problems are: Problem set: 24 solved, 151 unsolved
SDD proceeding with computation,6 properties remain. new max is 8192
SDD size :246368 after 843425
At refinement iteration 1 (INCLUDED_ONLY) 0/95 variables, 6/101 constraints. Problems are: Problem set: 24 solved, 151 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/95 variables, 39/140 constraints. Problems are: Problem set: 24 solved, 151 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/95 variables, 0/140 constraints. Problems are: Problem set: 24 solved, 151 unsolved
At refinement iteration 4 (OVERLAPS) 4/99 variables, 18/158 constraints. Problems are: Problem set: 24 solved, 151 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/99 variables, 4/162 constraints. Problems are: Problem set: 24 solved, 151 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/99 variables, 16/178 constraints. Problems are: Problem set: 24 solved, 151 unsolved
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,1.91478e+06,33.4927,62412,2,7771,17,255039,12,0,1052,261431,0
Total reachable state count : 1914784

Verifying 6 reachability properties.
Invariant property LamportFastMutEx-PT-4-ReachabilityFireability-2024-01 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
LamportFastMutEx-PT-4-ReachabilityFireability-2024-01,0,33.6059,62412,1,0,17,255039,12,0,1186,261431,0
Invariant property LamportFastMutEx-PT-4-ReachabilityFireability-2024-05 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
LamportFastMutEx-PT-4-ReachabilityFireability-2024-05,0,33.9551,62412,1,0,17,255039,12,0,1321,261431,0
Invariant property LamportFastMutEx-PT-4-ReachabilityFireability-2024-09 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
LamportFastMutEx-PT-4-ReachabilityFireability-2024-09,0,33.9615,62412,1,0,17,255039,12,0,1326,261431,0
Invariant property LamportFastMutEx-PT-4-ReachabilityFireability-2024-10 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
LamportFastMutEx-PT-4-ReachabilityFireability-2024-10,0,33.9622,62412,1,0,17,255039,12,0,1326,261431,0
Reachability property LamportFastMutEx-PT-4-ReachabilityFireability-2024-13 does not hold.
No reachable states exhibit your property : LamportFastMutEx-PT-4-ReachabilityFireability-2024-13

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
LamportFastMutEx-PT-4-ReachabilityFireability-2024-13,0,33.9658,62412,1,0,17,255039,12,0,1326,261431,0
Invariant property LamportFastMutEx-PT-4-ReachabilityFireability-2024-14 does not hold.
FORMULA LamportFastMutEx-PT-4-ReachabilityFireability-2024-14 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
LamportFastMutEx-PT-4-ReachabilityFireability-2024-14,10,33.9861,62412,2,144,17,255039,12,0,1391,261431,0
At refinement iteration 7 (INCLUDED_ONLY) 0/99 variables, 0/178 constraints. Problems are: Problem set: 24 solved, 151 unsolved
At refinement iteration 8 (OVERLAPS) 143/242 variables, 99/277 constraints. Problems are: Problem set: 24 solved, 151 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/242 variables, 32/309 constraints. Problems are: Problem set: 24 solved, 151 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/242 variables, 151/460 constraints. Problems are: Problem set: 24 solved, 151 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/242 variables, 0/460 constraints. Problems are: Problem set: 24 solved, 151 unsolved
At refinement iteration 12 (OVERLAPS) 0/242 variables, 6/466 constraints. Problems are: Problem set: 24 solved, 151 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/242 variables, 7/473 constraints. Problems are: Problem set: 24 solved, 151 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/242 variables, 3/476 constraints. Problems are: Problem set: 24 solved, 151 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 477 constraints, problems are : Problem set: 24 solved, 151 unsolved in 30026 ms.
Refiners :[Domain max(s): 99/99 constraints, Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 99/99 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 151/175 constraints, Known Traps: 71/71 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 49334ms problems are : Problem set: 24 solved, 151 unsolved
Search for dead transitions found 24 dead transitions in 49337ms
Found 24 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 24 transitions
Dead transitions reduction (with SMT) removed 24 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 99/99 places, 155/179 transitions.
Applied a total of 0 rules in 10 ms. Remains 99 /99 variables (removed 0) and now considering 155/155 (removed 0) transitions.
[2026-05-27 10:15:47] [INFO ] Redundant transitions in 7 ms returned []
Finished structural reductions in REACHABILITY mode , in 2 iterations and 49719 ms. Remains : 99/99 places, 155/179 transitions.
All properties solved without resorting to model-checking.
Total runtime 65146 ms.

BK_STOP 1779876948101

--------------------
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="LamportFastMutEx-PT-4"
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 LamportFastMutEx-PT-4, 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 r162-smll-177961107900415"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/LamportFastMutEx-PT-4.tgz
mv LamportFastMutEx-PT-4 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 ;