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-177961107900396.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-2, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r162-smll-177961107900396
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 708K
-rw-r--r-- 1 mcc users 11K Mar 7 16:43 CTLCardinality.txt
-rw-r--r-- 1 mcc users 90K Mar 7 16:43 CTLCardinality.xml
-rw-r--r-- 1 mcc users 14K Mar 7 16:43 CTLFireability.txt
-rw-r--r-- 1 mcc users 91K Mar 7 16:43 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 5.8K Mar 15 11:11 LTLCardinality.txt
-rw-r--r-- 1 mcc users 32K Mar 15 11:11 LTLCardinality.xml
-rw-r--r-- 1 mcc users 4.7K Mar 15 11:11 LTLFireability.txt
-rw-r--r-- 1 mcc users 27K Mar 15 11:11 LTLFireability.xml
-rw-r--r-- 1 mcc users 20K Mar 7 16:43 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 151K Mar 7 16:43 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 21K Mar 7 16:43 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 134K Mar 7 16:43 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.1K Mar 15 11:11 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.5K 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 48K 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-2-LTLFireability-00
FORMULA_NAME LamportFastMutEx-PT-2-LTLFireability-01
FORMULA_NAME LamportFastMutEx-PT-2-LTLFireability-02
FORMULA_NAME LamportFastMutEx-PT-2-LTLFireability-03
FORMULA_NAME LamportFastMutEx-PT-2-LTLFireability-04
FORMULA_NAME LamportFastMutEx-PT-2-LTLFireability-05
FORMULA_NAME LamportFastMutEx-PT-2-LTLFireability-06
FORMULA_NAME LamportFastMutEx-PT-2-LTLFireability-07
FORMULA_NAME LamportFastMutEx-PT-2-LTLFireability-08
FORMULA_NAME LamportFastMutEx-PT-2-LTLFireability-09
FORMULA_NAME LamportFastMutEx-PT-2-LTLFireability-10
FORMULA_NAME LamportFastMutEx-PT-2-LTLFireability-11
FORMULA_NAME LamportFastMutEx-PT-2-LTLFireability-12
FORMULA_NAME LamportFastMutEx-PT-2-LTLFireability-13
FORMULA_NAME LamportFastMutEx-PT-2-LTLFireability-14
FORMULA_NAME LamportFastMutEx-PT-2-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779874800001

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=LamportFastMutEx-PT-2
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-27 09:40:02] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-27 09:40:02] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-27 09:40:02] [INFO ] Load time of PNML (sax parser for PT used): 91 ms
[2026-05-27 09:40:02] [INFO ] Transformed 69 places.
[2026-05-27 09:40:02] [INFO ] Transformed 96 transitions.
[2026-05-27 09:40:02] [INFO ] Found NUPN structural information;
[2026-05-27 09:40:02] [INFO ] Completing missing partition info from NUPN : creating a component with [P_start_1_0, P_start_1_1, P_start_1_2, 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_setx_3_0, P_setx_3_1, P_setx_3_2, P_setbi_5_0, P_setbi_5_1, P_setbi_5_2, P_ify0_4_0, P_ify0_4_1, P_ify0_4_2, P_sety_9_0, P_sety_9_1, P_sety_9_2, P_ifxi_10_0, P_ifxi_10_1, P_ifxi_10_2, P_setbi_11_0, P_setbi_11_1, P_setbi_11_2, P_fordo_12_0, P_fordo_12_1, P_fordo_12_2, P_wait_0_0, P_wait_0_1, P_wait_0_2, P_wait_1_0, P_wait_1_1, P_wait_1_2, P_wait_2_0, P_wait_2_1, P_wait_2_2, P_await_13_0, P_await_13_1, P_await_13_2, P_done_0_0, P_done_0_1, P_done_0_2, P_done_1_0, P_done_1_1, P_done_1_2, P_done_2_0, P_done_2_1, P_done_2_2, P_ifyi_15_0, P_ifyi_15_1, P_ifyi_15_2, P_awaity_0, P_awaity_1, P_awaity_2, P_CS_21_0, P_CS_21_1, P_CS_21_2, P_setbi_24_0, P_setbi_24_1, P_setbi_24_2]
[2026-05-27 09:40:02] [INFO ] Parsed PT model containing 69 places and 96 transitions and 402 arcs in 251 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 16 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
Deduced a syphon composed of 25 places in 2 ms
Reduce places removed 25 places and 34 transitions.
FORMULA LamportFastMutEx-PT-2-LTLFireability-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LamportFastMutEx-PT-2-LTLFireability-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LamportFastMutEx-PT-2-LTLFireability-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LamportFastMutEx-PT-2-LTLFireability-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 36 out of 44 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 44/44 places, 62/62 transitions.
Applied a total of 0 rules in 14 ms. Remains 44 /44 variables (removed 0) and now considering 62/62 (removed 0) transitions.
[2026-05-27 09:40:02] [INFO ] Flow matrix only has 56 transitions (discarded 6 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15308103647982959165.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1347803659234075403.kers'
[2026-05-27 09:40:02] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15308103647982959165.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1347803659234075403.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 56 rows 42 cols 152 entries
Finished phase 1 with 34 SingleSign rule and 0 generalized
[2026-05-27 09:40:02] [INFO ] Computed 10 invariants in 0 ms
Computed 10 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-1347803659234075403.kers
Total runtime 2 ms.
[2026-05-27 09:40:02] [INFO ] Implicit Places using invariants in 277 ms returned []
[2026-05-27 09:40:02] [INFO ] Flow matrix only has 56 transitions (discarded 6 similar events)
[2026-05-27 09:40:02] [INFO ] Invariant cache hit.
[2026-05-27 09:40:03] [INFO ] State equation strengthened by 16 read => feed constraints.
[2026-05-27 09:40:03] [INFO ] Implicit Places using invariants and state equation in 124 ms returned []
Implicit Place search using SMT with State Equation took 454 ms to find 0 implicit places.
Running 60 sub problems to find dead transitions.
[2026-05-27 09:40:03] [INFO ] Flow matrix only has 56 transitions (discarded 6 similar events)
[2026-05-27 09:40:03] [INFO ] Invariant cache hit.
[2026-05-27 09:40:03] [INFO ] State equation strengthened by 16 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/44 variables, 44/44 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/44 variables, 10/54 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Problem TDEAD10 is UNSAT
Problem TDEAD13 is UNSAT
Problem TDEAD14 is UNSAT
Problem TDEAD16 is UNSAT
Problem TDEAD23 is UNSAT
Problem TDEAD27 is UNSAT
Problem TDEAD28 is UNSAT
Problem TDEAD30 is UNSAT
Problem TDEAD32 is UNSAT
Problem TDEAD34 is UNSAT
Problem TDEAD3 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/44 variables, 19/73 constraints. Problems are: Problem set: 11 solved, 49 unsolved
Problem TDEAD1 is UNSAT
At refinement iteration 3 (INCLUDED_ONLY) 0/44 variables, 2/75 constraints. Problems are: Problem set: 12 solved, 48 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/44 variables, 0/75 constraints. Problems are: Problem set: 12 solved, 48 unsolved
At refinement iteration 5 (OVERLAPS) 56/100 variables, 44/119 constraints. Problems are: Problem set: 12 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/100 variables, 16/135 constraints. Problems are: Problem set: 12 solved, 48 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/100 variables, 0/135 constraints. Problems are: Problem set: 12 solved, 48 unsolved
At refinement iteration 8 (OVERLAPS) 0/100 variables, 0/135 constraints. Problems are: Problem set: 12 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Real declared 100/100 variables, and 135 constraints, problems are : Problem set: 12 solved, 48 unsolved in 3390 ms.
Refiners :[Domain max(s): 44/44 constraints, Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 44/44 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 21/21 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 12 solved, 48 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/42 variables, 42/42 constraints. Problems are: Problem set: 12 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/42 variables, 4/46 constraints. Problems are: Problem set: 12 solved, 48 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/42 variables, 12/58 constraints. Problems are: Problem set: 12 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/42 variables, 0/58 constraints. Problems are: Problem set: 12 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 2/44 variables, 6/64 constraints. Problems are: Problem set: 12 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/44 variables, 2/66 constraints. Problems are: Problem set: 12 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/44 variables, 9/75 constraints. Problems are: Problem set: 12 solved, 48 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/44 variables, 0/75 constraints. Problems are: Problem set: 12 solved, 48 unsolved
At refinement iteration 8 (OVERLAPS) 56/100 variables, 44/119 constraints. Problems are: Problem set: 12 solved, 48 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/100 variables, 16/135 constraints. Problems are: Problem set: 12 solved, 48 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/100 variables, 48/183 constraints. Problems are: Problem set: 12 solved, 48 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/100 variables, 0/183 constraints. Problems are: Problem set: 12 solved, 48 unsolved
At refinement iteration 12 (OVERLAPS) 0/100 variables, 1/184 constraints. Problems are: Problem set: 12 solved, 48 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/100 variables, 0/184 constraints. Problems are: Problem set: 12 solved, 48 unsolved
At refinement iteration 14 (OVERLAPS) 0/100 variables, 0/184 constraints. Problems are: Problem set: 12 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Int declared 100/100 variables, and 184 constraints, problems are : Problem set: 12 solved, 48 unsolved in 3531 ms.
Refiners :[Domain max(s): 44/44 constraints, Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 44/44 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 48/60 constraints, Known Traps: 21/21 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 7002ms problems are : Problem set: 12 solved, 48 unsolved
Search for dead transitions found 12 dead transitions in 7017ms
Found 12 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 12 transitions
Dead transitions reduction (with SMT) removed 12 transitions
Starting structural reductions in LTL mode, iteration 1 : 44/44 places, 50/62 transitions.
Applied a total of 0 rules in 4 ms. Remains 44 /44 variables (removed 0) and now considering 50/50 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 7547 ms. Remains : 44/44 places, 50/62 transitions.
Starting structural reductions in LTL mode, iteration 0 : 44/44 places, 50/50 transitions.
Applied a total of 0 rules in 1 ms. Remains 44 /44 variables (removed 0) and now considering 50/50 (removed 0) transitions.
[2026-05-27 09:40:10] [INFO ] Flow matrix only has 48 transitions (discarded 2 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3466829333412135648.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13534021142232548052.kers'
[2026-05-27 09:40:10] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3466829333412135648.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13534021142232548052.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 48 rows 42 cols 136 entries
Finished phase 1 with 34 SingleSign rule and 0 generalized
[2026-05-27 09:40:10] [INFO ] Computed 10 invariants in 1 ms
Computed 10 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-13534021142232548052.kers
Total runtime 3 ms.
[2026-05-27 09:40:10] [INFO ] Implicit Places using invariants in 52 ms returned []
[2026-05-27 09:40:10] [INFO ] Flow matrix only has 48 transitions (discarded 2 similar events)
[2026-05-27 09:40:10] [INFO ] Invariant cache hit.
[2026-05-27 09:40:10] [INFO ] State equation strengthened by 14 read => feed constraints.
[2026-05-27 09:40:10] [INFO ] Implicit Places using invariants and state equation in 167 ms returned []
Implicit Place search using SMT with State Equation took 224 ms to find 0 implicit places.
Running 48 sub problems to find dead transitions.
[2026-05-27 09:40:10] [INFO ] Flow matrix only has 48 transitions (discarded 2 similar events)
[2026-05-27 09:40:10] [INFO ] Invariant cache hit.
[2026-05-27 09:40:10] [INFO ] State equation strengthened by 14 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/42 variables, 42/42 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/42 variables, 4/46 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/42 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (OVERLAPS) 2/44 variables, 6/52 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/44 variables, 2/54 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/44 variables, 20/74 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/44 variables, 2/76 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/44 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 8 (OVERLAPS) 48/92 variables, 44/120 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/92 variables, 14/134 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/92 variables, 1/135 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/92 variables, 0/135 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 12 (OVERLAPS) 0/92 variables, 0/135 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Real declared 92/92 variables, and 135 constraints, problems are : Problem set: 0 solved, 48 unsolved in 3301 ms.
Refiners :[Domain max(s): 44/44 constraints, Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 44/44 constraints, ReadFeed: 14/14 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 23/23 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 48 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/42 variables, 42/42 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/42 variables, 4/46 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/42 variables, 15/61 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/42 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 2/44 variables, 6/67 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/44 variables, 2/69 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/44 variables, 8/77 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/44 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 8 (OVERLAPS) 48/92 variables, 44/121 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/92 variables, 14/135 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/92 variables, 48/183 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/92 variables, 1/184 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/92 variables, 0/184 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 13 (OVERLAPS) 0/92 variables, 1/185 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/92 variables, 0/185 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 15 (OVERLAPS) 0/92 variables, 0/185 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Int declared 92/92 variables, and 185 constraints, problems are : Problem set: 0 solved, 48 unsolved in 4275 ms.
Refiners :[Domain max(s): 44/44 constraints, Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 44/44 constraints, ReadFeed: 14/14 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 23/23 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 7614ms problems are : Problem set: 0 solved, 48 unsolved
Search for dead transitions found 0 dead transitions in 7616ms
Finished structural reductions in LTL mode , in 1 iterations and 7843 ms. Remains : 44/44 places, 50/50 transitions.
Support contains 36 out of 44 places after structural reductions.
[2026-05-27 09:40:18] [INFO ] Flatten gal took : 48 ms
[2026-05-27 09:40:18] [INFO ] Flatten gal took : 33 ms
[2026-05-27 09:40:18] [INFO ] Input system was already deterministic with 50 transitions.
Reduction of identical properties reduced properties to check from 22 to 21
RANDOM walk for 40000 steps (8 resets) in 1920 ms. (20 steps per ms) remains 4/21 properties
BEST_FIRST walk for 40002 steps (8 resets) in 757 ms. (52 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 607 ms. (65 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 174 ms. (228 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 140 ms. (283 steps per ms) remains 4/4 properties
[2026-05-27 09:40:19] [INFO ] Flow matrix only has 48 transitions (discarded 2 similar events)
[2026-05-27 09:40:19] [INFO ] Invariant cache hit.
[2026-05-27 09:40:19] [INFO ] State equation strengthened by 14 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/19 variables, 2/21 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/19 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 22/41 variables, 7/28 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/41 variables, 22/50 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/41 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 48/89 variables, 41/91 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/89 variables, 14/105 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Problem AtomicPropp12 is UNSAT
Problem AtomicPropp16 is UNSAT
Problem AtomicPropp20 is UNSAT
At refinement iteration 8 (INCLUDED_ONLY) 0/89 variables, 3/108 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/89 variables, 0/108 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 3/92 variables, 3/111 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/92 variables, 3/114 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/92 variables, 1/115 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/92 variables, 0/115 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/92 variables, 0/115 constraints. Problems are: Problem set: 3 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 92/92 variables, and 115 constraints, problems are : Problem set: 3 solved, 1 unsolved in 288 ms.
Refiners :[Domain max(s): 44/44 constraints, Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 44/44 constraints, ReadFeed: 14/14 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 3 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 8/8 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/8 variables, 0/8 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 26/34 variables, 6/14 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/34 variables, 26/40 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/34 variables, 0/40 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 48/82 variables, 34/74 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/82 variables, 14/88 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/82 variables, 0/88 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 10/92 variables, 10/98 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/92 variables, 10/108 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/92 variables, 4/112 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/92 variables, 1/113 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/92 variables, 3/116 constraints. Problems are: Problem set: 3 solved, 1 unsolved
Problem AtomicPropp5 is UNSAT
After SMT solving in domain Int declared 92/92 variables, and 119 constraints, problems are : Problem set: 4 solved, 0 unsolved in 207 ms.
Refiners :[Domain max(s): 44/44 constraints, Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 44/44 constraints, ReadFeed: 14/14 constraints, PredecessorRefiner: 1/4 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 503ms problems are : Problem set: 4 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
FORMULA LamportFastMutEx-PT-2-LTLFireability-05 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 4 atomic propositions for a total of 11 simplifications.
FORMULA LamportFastMutEx-PT-2-LTLFireability-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 1 stabilizing places and 2 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(G(p1)))))'
Support contains 9 out of 44 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 44/44 places, 50/50 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 42 transition count 48
Applied a total of 4 rules in 17 ms. Remains 42 /44 variables (removed 2) and now considering 48/50 (removed 2) transitions.
[2026-05-27 09:40:20] [INFO ] Flow matrix only has 46 transitions (discarded 2 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16068550082881489010.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7762268643884203793.kers'
[2026-05-27 09:40:20] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16068550082881489010.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7762268643884203793.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 46 rows 40 cols 132 entries
Finished phase 1 with 32 SingleSign rule and 0 generalized
[2026-05-27 09:40:20] [INFO ] Computed 10 invariants in 0 ms
Computed 10 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-7762268643884203793.kers
Total runtime 0 ms.
[2026-05-27 09:40:20] [INFO ] Implicit Places using invariants in 65 ms returned [28, 29]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 67 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 40/44 places, 48/50 transitions.
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 2 Pre rules applied. Total rules applied 0 place count 40 transition count 46
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 38 transition count 46
Applied a total of 4 rules in 9 ms. Remains 38 /40 variables (removed 2) and now considering 46/48 (removed 2) transitions.
[2026-05-27 09:40:20] [INFO ] Flow matrix only has 44 transitions (discarded 2 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-489394709420642524.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7920252500187906751.kers'
[2026-05-27 09:40:20] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-489394709420642524.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7920252500187906751.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 44 rows 36 cols 126 entries
Finished phase 1 with 30 SingleSign rule and 0 generalized
[2026-05-27 09:40:20] [INFO ] Computed 8 invariants in 0 ms
Computed 8 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-7920252500187906751.kers
Total runtime 0 ms.
[2026-05-27 09:40:20] [INFO ] Implicit Places using invariants in 66 ms returned []
[2026-05-27 09:40:20] [INFO ] Flow matrix only has 44 transitions (discarded 2 similar events)
[2026-05-27 09:40:20] [INFO ] Invariant cache hit.
[2026-05-27 09:40:20] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-27 09:40:20] [INFO ] Implicit Places using invariants and state equation in 110 ms returned []
Implicit Place search using SMT with State Equation took 178 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 38/44 places, 46/50 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 272 ms. Remains : 38/44 places, 46/50 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(G(p1)))))'
Stuttering acceptance computed with spot in 355 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : LamportFastMutEx-PT-2-LTLFireability-00
Product exploration explored 100000 steps with 0 reset in 576 ms.
Stack based approach found an accepted trace after 24 steps with 0 reset with depth 25 and stack size 25 in 1 ms.
FORMULA LamportFastMutEx-PT-2-LTLFireability-00 FALSE TECHNIQUES STACK_TEST
Treatment of property LamportFastMutEx-PT-2-LTLFireability-00 finished in 1318 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G((X(p0)||F((!p1 U (p2||G(!p1))))))))'
Support contains 9 out of 44 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 44/44 places, 50/50 transitions.
Applied a total of 0 rules in 3 ms. Remains 44 /44 variables (removed 0) and now considering 50/50 (removed 0) transitions.
[2026-05-27 09:40:21] [INFO ] Flow matrix only has 48 transitions (discarded 2 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-697648112108202979.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4835465610484478616.kers'
[2026-05-27 09:40:21] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-697648112108202979.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4835465610484478616.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 48 rows 42 cols 136 entries
Finished phase 1 with 34 SingleSign rule and 0 generalized
[2026-05-27 09:40:21] [INFO ] Computed 10 invariants in 0 ms
Computed 10 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-4835465610484478616.kers
Total runtime 1 ms.
[2026-05-27 09:40:21] [INFO ] Implicit Places using invariants in 87 ms returned [30, 31]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 88 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 42/44 places, 50/50 transitions.
Applied a total of 0 rules in 2 ms. Remains 42 /42 variables (removed 0) and now considering 50/50 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 94 ms. Remains : 42/44 places, 50/50 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G((X(p0)||F((!p1 U (p2||G(!p1))))))))'
Stuttering acceptance computed with spot in 182 ms :[(AND (NOT p2) (NOT p0) p1), (AND (NOT p2) (NOT p0) p1), (AND (NOT p2) (NOT p0) p1), (AND (NOT p2) p1)]
Running random walk in product with property : LamportFastMutEx-PT-2-LTLFireability-01
Product exploration explored 100000 steps with 5331 reset in 409 ms.
Product exploration explored 100000 steps with 5354 reset in 448 ms.
Computed a total of 1 stabilizing places and 2 stable transitions
Computed a total of 1 stabilizing places and 2 stable transitions
Knowledge based reduction with 5 factoid took 59 ms. Reduced automaton from 4 states, 6 edges and 3 AP (stutter sensitive) to 4 states, 6 edges and 3 AP (stutter sensitive).
RANDOM walk for 1057 steps (0 resets) in 14 ms. (70 steps per ms) remains 0/6 properties
Knowledge based reduction with 5 factoid took 118 ms. Reduced automaton from 4 states, 6 edges and 3 AP (stutter sensitive) to 4 states, 6 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 151 ms :[(AND (NOT p2) (NOT p0) p1), (AND (NOT p2) (NOT p0) p1), (AND (NOT p2) (NOT p0) p1), (AND (NOT p2) p1)]
Knowledge-based reduction took 346 ms.
Stuttering acceptance computed with spot in 151 ms :[(AND (NOT p2) (NOT p0) p1), (AND (NOT p2) (NOT p0) p1), (AND (NOT p2) (NOT p0) p1), (AND (NOT p2) p1)]
Support contains 9 out of 42 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 42/42 places, 50/50 transitions.
Applied a total of 0 rules in 1 ms. Remains 42 /42 variables (removed 0) and now considering 50/50 (removed 0) transitions.
[2026-05-27 09:40:23] [INFO ] Flow matrix only has 48 transitions (discarded 2 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3336813844610288884.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12375448043051431718.kers'
[2026-05-27 09:40:23] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3336813844610288884.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12375448043051431718.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 48 rows 40 cols 132 entries
Finished phase 1 with 34 SingleSign rule and 0 generalized
[2026-05-27 09:40:23] [INFO ] Computed 8 invariants in 0 ms
Computed 8 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-12375448043051431718.kers
Total runtime 0 ms.
[2026-05-27 09:40:23] [INFO ] Implicit Places using invariants in 68 ms returned []
[2026-05-27 09:40:23] [INFO ] Flow matrix only has 48 transitions (discarded 2 similar events)
[2026-05-27 09:40:23] [INFO ] Invariant cache hit.
[2026-05-27 09:40:23] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-27 09:40:23] [INFO ] Implicit Places using invariants and state equation in 165 ms returned []
Implicit Place search using SMT with State Equation took 235 ms to find 0 implicit places.
Running 48 sub problems to find dead transitions.
[2026-05-27 09:40:23] [INFO ] Flow matrix only has 48 transitions (discarded 2 similar events)
[2026-05-27 09:40:23] [INFO ] Invariant cache hit.
[2026-05-27 09:40:23] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/40 variables, 40/40 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/40 variables, 4/44 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (OVERLAPS) 2/42 variables, 4/48 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/42 variables, 2/50 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/42 variables, 20/70 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/42 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 7 (OVERLAPS) 48/90 variables, 42/112 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/90 variables, 10/122 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/90 variables, 1/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/90 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 11 (OVERLAPS) 0/90 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Real declared 90/90 variables, and 123 constraints, problems are : Problem set: 0 solved, 48 unsolved in 3392 ms.
Refiners :[Domain max(s): 42/42 constraints, Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 42/42 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 21/21 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 48 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/40 variables, 40/40 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/40 variables, 4/44 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 14/58 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/40 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 2/42 variables, 4/62 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/42 variables, 2/64 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/42 variables, 7/71 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/42 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 8 (OVERLAPS) 48/90 variables, 42/113 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/90 variables, 10/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/90 variables, 48/171 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/90 variables, 1/172 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/90 variables, 0/172 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 13 (OVERLAPS) 0/90 variables, 1/173 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/90 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 15 (OVERLAPS) 0/90 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Int declared 90/90 variables, and 173 constraints, problems are : Problem set: 0 solved, 48 unsolved in 4535 ms.
Refiners :[Domain max(s): 42/42 constraints, Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 42/42 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 22/22 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 7943ms problems are : Problem set: 0 solved, 48 unsolved
Search for dead transitions found 0 dead transitions in 7945ms
Finished structural reductions in LTL mode , in 1 iterations and 8182 ms. Remains : 42/42 places, 50/50 transitions.
Computed a total of 1 stabilizing places and 2 stable transitions
Computed a total of 1 stabilizing places and 2 stable transitions
Knowledge based reduction with 5 factoid took 59 ms. Reduced automaton from 4 states, 6 edges and 3 AP (stutter sensitive) to 4 states, 6 edges and 3 AP (stutter sensitive).
RANDOM walk for 846 steps (0 resets) in 9 ms. (84 steps per ms) remains 0/6 properties
Knowledge based reduction with 5 factoid took 149 ms. Reduced automaton from 4 states, 6 edges and 3 AP (stutter sensitive) to 4 states, 6 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 180 ms :[(AND (NOT p2) (NOT p0) p1), (AND (NOT p2) (NOT p0) p1), (AND (NOT p2) (NOT p0) p1), (AND (NOT p2) p1)]
Knowledge-based reduction took 394 ms.
Stuttering acceptance computed with spot in 159 ms :[(AND (NOT p2) (NOT p0) p1), (AND (NOT p2) (NOT p0) p1), (AND (NOT p2) (NOT p0) p1), (AND (NOT p2) p1)]
Stuttering acceptance computed with spot in 161 ms :[(AND (NOT p2) (NOT p0) p1), (AND (NOT p2) (NOT p0) p1), (AND (NOT p2) (NOT p0) p1), (AND (NOT p2) p1)]
Product exploration explored 100000 steps with 5379 reset in 266 ms.
Product exploration explored 100000 steps with 5420 reset in 310 ms.
Spot run failed in 117 ms. Status :1
Traceback (most recent call last):
File "/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/autstates.py", line 2, in
import spot
ModuleNotFoundError: No module named 'spot'
java.io.IOException
at fr.lip6.move.gal.application.runner.spot.SpotRunner.computeForwardClosedSI(SpotRunner.java:551)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.treatPartialPOR(LTLPropertySolver.java:419)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:280)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:217)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:66)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:849)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
Built C files in :
/tmp/ltsmin13333955133543982005
[2026-05-27 09:40:33] [INFO ] Built C files in 14ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin13333955133543982005
Running compilation step : cd /tmp/ltsmin13333955133543982005;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' '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'
Compilation finished in 502 ms.
Running link step : cd /tmp/ltsmin13333955133543982005;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 76 ms.
Running LTSmin : cd /tmp/ltsmin13333955133543982005;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--hoa' '/tmp/stateBased4281235257602273603.hoa' '--buchi-type=spotba'
LTSmin run took 63 ms.
FORMULA LamportFastMutEx-PT-2-LTLFireability-01 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property LamportFastMutEx-PT-2-LTLFireability-01 finished in 12003 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 4 out of 44 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 44/44 places, 50/50 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 42 transition count 48
Applied a total of 4 rules in 9 ms. Remains 42 /44 variables (removed 2) and now considering 48/50 (removed 2) transitions.
[2026-05-27 09:40:33] [INFO ] Flow matrix only has 46 transitions (discarded 2 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4156903307301899685.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6094535284512673650.kers'
[2026-05-27 09:40:33] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4156903307301899685.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6094535284512673650.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 46 rows 40 cols 132 entries
Finished phase 1 with 32 SingleSign rule and 0 generalized
[2026-05-27 09:40:33] [INFO ] Computed 10 invariants in 0 ms
Computed 10 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-6094535284512673650.kers
Total runtime 1 ms.
[2026-05-27 09:40:33] [INFO ] Implicit Places using invariants in 105 ms returned [28, 29]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 106 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 40/44 places, 48/50 transitions.
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 2 Pre rules applied. Total rules applied 0 place count 40 transition count 46
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 38 transition count 46
Applied a total of 4 rules in 4 ms. Remains 38 /40 variables (removed 2) and now considering 46/48 (removed 2) transitions.
[2026-05-27 09:40:33] [INFO ] Flow matrix only has 44 transitions (discarded 2 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-18347925758393300048.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14627953712940386094.kers'
[2026-05-27 09:40:33] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-18347925758393300048.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14627953712940386094.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 44 rows 36 cols 126 entries
Finished phase 1 with 30 SingleSign rule and 0 generalized
[2026-05-27 09:40:33] [INFO ] Computed 8 invariants in 0 ms
Computed 8 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-14627953712940386094.kers
Total runtime 1 ms.
[2026-05-27 09:40:33] [INFO ] Implicit Places using invariants in 87 ms returned []
[2026-05-27 09:40:33] [INFO ] Flow matrix only has 44 transitions (discarded 2 similar events)
[2026-05-27 09:40:33] [INFO ] Invariant cache hit.
[2026-05-27 09:40:34] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-27 09:40:34] [INFO ] Implicit Places using invariants and state equation in 119 ms returned []
Implicit Place search using SMT with State Equation took 208 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 38/44 places, 46/50 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 328 ms. Remains : 38/44 places, 46/50 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Stuttering acceptance computed with spot in 40 ms :[(NOT p0)]
Running random walk in product with property : LamportFastMutEx-PT-2-LTLFireability-02
Product exploration explored 100000 steps with 0 reset in 247 ms.
Stack based approach found an accepted trace after 56 steps with 0 reset with depth 57 and stack size 57 in 0 ms.
FORMULA LamportFastMutEx-PT-2-LTLFireability-02 FALSE TECHNIQUES STACK_TEST
Treatment of property LamportFastMutEx-PT-2-LTLFireability-02 finished in 648 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((p0 U G(p1)) U X(p2))))'
Support contains 11 out of 44 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 44/44 places, 50/50 transitions.
Applied a total of 0 rules in 1 ms. Remains 44 /44 variables (removed 0) and now considering 50/50 (removed 0) transitions.
[2026-05-27 09:40:34] [INFO ] Flow matrix only has 48 transitions (discarded 2 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2987526437208861037.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2014370587197630638.kers'
[2026-05-27 09:40:34] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2987526437208861037.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2014370587197630638.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 48 rows 42 cols 136 entries
Finished phase 1 with 34 SingleSign rule and 0 generalized
[2026-05-27 09:40:34] [INFO ] Computed 10 invariants in 0 ms
Computed 10 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-2014370587197630638.kers
Total runtime 1 ms.
[2026-05-27 09:40:34] [INFO ] Implicit Places using invariants in 115 ms returned [30, 31]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 117 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 42/44 places, 50/50 transitions.
Applied a total of 0 rules in 1 ms. Remains 42 /42 variables (removed 0) and now considering 50/50 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 119 ms. Remains : 42/44 places, 50/50 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((p0 U G(p1)) U X(p2))))'
Stuttering acceptance computed with spot in 360 ms :[(NOT p2), (NOT p2), (NOT p2), (NOT p2), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), true, (NOT p1), (NOT p1)]
Running random walk in product with property : LamportFastMutEx-PT-2-LTLFireability-03
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA LamportFastMutEx-PT-2-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property LamportFastMutEx-PT-2-LTLFireability-03 finished in 538 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(F(p0)) U (G(!p1) U X(X((p0&&X(F(p2))))))))'
Support contains 11 out of 44 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 44/44 places, 50/50 transitions.
Applied a total of 0 rules in 1 ms. Remains 44 /44 variables (removed 0) and now considering 50/50 (removed 0) transitions.
[2026-05-27 09:40:34] [INFO ] Flow matrix only has 48 transitions (discarded 2 similar events)
[2026-05-27 09:40:34] [INFO ] Invariant cache hit.
[2026-05-27 09:40:35] [INFO ] Implicit Places using invariants in 78 ms returned [30, 31]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 80 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 42/44 places, 50/50 transitions.
Applied a total of 0 rules in 1 ms. Remains 42 /42 variables (removed 0) and now considering 50/50 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 82 ms. Remains : 42/44 places, 50/50 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(F(p0)) U (G(!p1) U X(X((X(F(p2))&&p0))))))'
Stuttering acceptance computed with spot in 824 ms :[(OR (NOT p0) (NOT p2)), (AND (NOT p0) p1), (AND (NOT p0) p1), (NOT p0), (OR (NOT p0) (NOT p2)), (NOT p0), (NOT p0), (AND (NOT p0) p1), (NOT p0), (AND (NOT p0) p1), (NOT p0), (OR (NOT p0) (NOT p2)), (NOT p0), (AND (NOT p0) p1), (AND p1 (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0)), (NOT p2), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : LamportFastMutEx-PT-2-LTLFireability-04
Product exploration explored 100000 steps with 6961 reset in 161 ms.
Stack based approach found an accepted trace after 630 steps with 41 reset with depth 33 and stack size 33 in 3 ms.
FORMULA LamportFastMutEx-PT-2-LTLFireability-04 FALSE TECHNIQUES STACK_TEST
Treatment of property LamportFastMutEx-PT-2-LTLFireability-04 finished in 1142 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G((X(X(!p0)) U ((X(X(!p0))&&(!p1 U (p2||G(!p1))))||X(X(G(!p0))))))||(X(F(p1))&&(X(X(!p0)) U ((X(X(!p0))&&(!p1 U (p2||G(!p1))))||X(X(G(!p0))))))))'
Support contains 11 out of 44 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 44/44 places, 50/50 transitions.
Applied a total of 0 rules in 1 ms. Remains 44 /44 variables (removed 0) and now considering 50/50 (removed 0) transitions.
[2026-05-27 09:40:36] [INFO ] Flow matrix only has 48 transitions (discarded 2 similar events)
[2026-05-27 09:40:36] [INFO ] Invariant cache hit.
[2026-05-27 09:40:36] [INFO ] Implicit Places using invariants in 72 ms returned [30, 31]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 73 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 42/44 places, 50/50 transitions.
Applied a total of 0 rules in 1 ms. Remains 42 /42 variables (removed 0) and now considering 50/50 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 75 ms. Remains : 42/44 places, 50/50 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G((X(X(!p0)) U ((X(X(!p0))&&(!p1 U (p2||G(!p1))))||X(X(G(!p0))))))||(X(F(p1))&&(X(X(!p0)) U ((X(X(!p0))&&(!p1 U (p2||G(!p1))))||X(X(G(!p0))))))))'
Stuttering acceptance computed with spot in 606 ms :[p0, p0, (AND (NOT p1) p0), p0, (AND p0 (NOT p2) p1), (AND p0 (NOT p2) p1), p0, (AND (NOT p1) p0), true, (AND (NOT p2) p1 p0), (AND (NOT p1) p0), (AND (NOT p2) p1 (NOT p0)), (NOT p1)]
Running random walk in product with property : LamportFastMutEx-PT-2-LTLFireability-06
Product exploration explored 100000 steps with 24937 reset in 156 ms.
Stack based approach found an accepted trace after 6484 steps with 1613 reset with depth 32 and stack size 32 in 16 ms.
FORMULA LamportFastMutEx-PT-2-LTLFireability-06 FALSE TECHNIQUES STACK_TEST
Treatment of property LamportFastMutEx-PT-2-LTLFireability-06 finished in 988 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 2 out of 44 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 44/44 places, 50/50 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 42 transition count 48
Applied a total of 4 rules in 5 ms. Remains 42 /44 variables (removed 2) and now considering 48/50 (removed 2) transitions.
[2026-05-27 09:40:37] [INFO ] Flow matrix only has 46 transitions (discarded 2 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15188155476391256861.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1508339205321763799.kers'
[2026-05-27 09:40:37] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15188155476391256861.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1508339205321763799.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 46 rows 40 cols 132 entries
Finished phase 1 with 32 SingleSign rule and 0 generalized
[2026-05-27 09:40:37] [INFO ] Computed 10 invariants in 0 ms
Computed 10 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-1508339205321763799.kers
Total runtime 0 ms.
[2026-05-27 09:40:37] [INFO ] Implicit Places using invariants in 77 ms returned [28, 29]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 78 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 40/44 places, 48/50 transitions.
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 2 Pre rules applied. Total rules applied 0 place count 40 transition count 46
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 38 transition count 46
Applied a total of 4 rules in 7 ms. Remains 38 /40 variables (removed 2) and now considering 46/48 (removed 2) transitions.
[2026-05-27 09:40:37] [INFO ] Flow matrix only has 44 transitions (discarded 2 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10325704852560917541.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6749741182435683024.kers'
[2026-05-27 09:40:37] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10325704852560917541.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6749741182435683024.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 44 rows 36 cols 126 entries
Finished phase 1 with 30 SingleSign rule and 0 generalized
[2026-05-27 09:40:37] [INFO ] Computed 8 invariants in 0 ms
Computed 8 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-6749741182435683024.kers
Total runtime 1 ms.
[2026-05-27 09:40:37] [INFO ] Implicit Places using invariants in 83 ms returned []
[2026-05-27 09:40:37] [INFO ] Flow matrix only has 44 transitions (discarded 2 similar events)
[2026-05-27 09:40:37] [INFO ] Invariant cache hit.
[2026-05-27 09:40:37] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-27 09:40:37] [INFO ] Implicit Places using invariants and state equation in 125 ms returned []
Implicit Place search using SMT with State Equation took 211 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 38/44 places, 46/50 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 302 ms. Remains : 38/44 places, 46/50 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Stuttering acceptance computed with spot in 37 ms :[(NOT p0)]
Running random walk in product with property : LamportFastMutEx-PT-2-LTLFireability-09
Product exploration explored 100000 steps with 1755 reset in 168 ms.
Stack based approach found an accepted trace after 18 steps with 0 reset with depth 19 and stack size 19 in 0 ms.
FORMULA LamportFastMutEx-PT-2-LTLFireability-09 FALSE TECHNIQUES STACK_TEST
Treatment of property LamportFastMutEx-PT-2-LTLFireability-09 finished in 540 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(G((X(p0)||G(p1)))))))'
Support contains 5 out of 44 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 44/44 places, 50/50 transitions.
Applied a total of 0 rules in 2 ms. Remains 44 /44 variables (removed 0) and now considering 50/50 (removed 0) transitions.
[2026-05-27 09:40:37] [INFO ] Flow matrix only has 48 transitions (discarded 2 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14685701756033331718.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11616914349028709525.kers'
[2026-05-27 09:40:37] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14685701756033331718.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11616914349028709525.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 48 rows 42 cols 136 entries
Finished phase 1 with 34 SingleSign rule and 0 generalized
[2026-05-27 09:40:37] [INFO ] Computed 10 invariants in 0 ms
Computed 10 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-11616914349028709525.kers
Total runtime 1 ms.
[2026-05-27 09:40:37] [INFO ] Implicit Places using invariants in 83 ms returned [30]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 85 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 43/44 places, 50/50 transitions.
Applied a total of 0 rules in 1 ms. Remains 43 /43 variables (removed 0) and now considering 50/50 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 88 ms. Remains : 43/44 places, 50/50 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(G((X(p0)||G(p1)))))))'
Stuttering acceptance computed with spot in 322 ms :[true, (NOT p0), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : LamportFastMutEx-PT-2-LTLFireability-11
Entered a terminal (fully accepting) state of product in 4 steps with 0 reset in 0 ms.
FORMULA LamportFastMutEx-PT-2-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property LamportFastMutEx-PT-2-LTLFireability-11 finished in 450 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F(p0))))'
Support contains 3 out of 44 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 44/44 places, 50/50 transitions.
Applied a total of 0 rules in 1 ms. Remains 44 /44 variables (removed 0) and now considering 50/50 (removed 0) transitions.
[2026-05-27 09:40:38] [INFO ] Flow matrix only has 48 transitions (discarded 2 similar events)
[2026-05-27 09:40:38] [INFO ] Invariant cache hit.
[2026-05-27 09:40:38] [INFO ] Implicit Places using invariants in 93 ms returned [31]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 107 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 43/44 places, 50/50 transitions.
Applied a total of 0 rules in 2 ms. Remains 43 /43 variables (removed 0) and now considering 50/50 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 110 ms. Remains : 43/44 places, 50/50 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F(p0))))'
Stuttering acceptance computed with spot in 148 ms :[(NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : LamportFastMutEx-PT-2-LTLFireability-13
Product exploration explored 100000 steps with 2098 reset in 101 ms.
Stack based approach found an accepted trace after 48 steps with 1 reset with depth 10 and stack size 10 in 1 ms.
FORMULA LamportFastMutEx-PT-2-LTLFireability-13 FALSE TECHNIQUES STACK_TEST
Treatment of property LamportFastMutEx-PT-2-LTLFireability-13 finished in 385 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 2 out of 44 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 44/44 places, 50/50 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 42 transition count 48
Applied a total of 4 rules in 5 ms. Remains 42 /44 variables (removed 2) and now considering 48/50 (removed 2) transitions.
[2026-05-27 09:40:38] [INFO ] Flow matrix only has 46 transitions (discarded 2 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16699191301962480412.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-712963369998859267.kers'
[2026-05-27 09:40:38] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16699191301962480412.kers, --Pflows, --basisKERS=/tmp/petrispot-output-712963369998859267.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 46 rows 40 cols 132 entries
Finished phase 1 with 32 SingleSign rule and 0 generalized
[2026-05-27 09:40:38] [INFO ] Computed 10 invariants in 0 ms
Computed 10 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-712963369998859267.kers
Total runtime 1 ms.
[2026-05-27 09:40:38] [INFO ] Implicit Places using invariants in 106 ms returned [28, 29]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 107 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 40/44 places, 48/50 transitions.
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 2 Pre rules applied. Total rules applied 0 place count 40 transition count 46
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 38 transition count 46
Applied a total of 4 rules in 4 ms. Remains 38 /40 variables (removed 2) and now considering 46/48 (removed 2) transitions.
[2026-05-27 09:40:38] [INFO ] Flow matrix only has 44 transitions (discarded 2 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13593074937935032686.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15666225542219629334.kers'
[2026-05-27 09:40:38] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13593074937935032686.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15666225542219629334.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 44 rows 36 cols 126 entries
Finished phase 1 with 30 SingleSign rule and 0 generalized
[2026-05-27 09:40:38] [INFO ] Computed 8 invariants in 0 ms
Computed 8 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-15666225542219629334.kers
Total runtime 1 ms.
[2026-05-27 09:40:38] [INFO ] Implicit Places using invariants in 92 ms returned []
[2026-05-27 09:40:38] [INFO ] Flow matrix only has 44 transitions (discarded 2 similar events)
[2026-05-27 09:40:38] [INFO ] Invariant cache hit.
[2026-05-27 09:40:38] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-27 09:40:38] [INFO ] Implicit Places using invariants and state equation in 125 ms returned []
Implicit Place search using SMT with State Equation took 222 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 38/44 places, 46/50 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 338 ms. Remains : 38/44 places, 46/50 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Stuttering acceptance computed with spot in 47 ms :[(NOT p0)]
Running random walk in product with property : LamportFastMutEx-PT-2-LTLFireability-15
Product exploration explored 100000 steps with 0 reset in 110 ms.
Stack based approach found an accepted trace after 19 steps with 0 reset with depth 20 and stack size 20 in 0 ms.
FORMULA LamportFastMutEx-PT-2-LTLFireability-15 FALSE TECHNIQUES STACK_TEST
Treatment of property LamportFastMutEx-PT-2-LTLFireability-15 finished in 526 ms.
All properties solved by simple procedures.
Total runtime 36951 ms.

BK_STOP 1779874839030

--------------------
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
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -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 LTLFireability -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-2"
export BK_EXAMINATION="LTLFireability"
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-2, examination is LTLFireability"
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-177961107900396"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

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