MCC'2026- Execution of r095-smll-177946996300010

About the Execution of 2025-gold for DatabaseWithMutex-PT-40

Execution Summary
Max Memory Used (MB)	Time wait (ms)	CPU Usage (ms)	I/O Wait (ms)	Computed Result	Execution Status
16207.071	3600000.00	3993736.00	64337.10	? 40 40 1560 40 40 40 40 1 1 1 1 1 1 1 1	normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r095-smll-177946996300010.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 gold2025
Input is DatabaseWithMutex-PT-40, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r095-smll-177946996300010
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 84M
-rw-r--r-- 1 mcc users 2.2M Mar 5 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 8.6M Mar 5 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 1.6M Mar 5 14:43 CTLFireability.txt
-rw-r--r-- 1 mcc users 7.1M Mar 5 14:43 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 935K Mar 15 08:44 LTLCardinality.txt
-rw-r--r-- 1 mcc users 2.7M Mar 15 08:44 LTLCardinality.xml
-rw-r--r-- 1 mcc users 943K Mar 15 08:44 LTLFireability.txt
-rw-r--r-- 1 mcc users 3.4M Mar 15 08:44 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.0M Mar 5 14:55 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 12M Mar 5 14:55 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 4.4M Mar 5 14:52 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 21M Mar 5 14:52 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 146K Mar 15 08:44 UpperBounds.txt
-rw-r--r-- 1 mcc users 346K Mar 15 08:44 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 17M 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 positive values
NUM_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME DatabaseWithMutex-PT-40-UpperBounds-00
FORMULA_NAME DatabaseWithMutex-PT-40-UpperBounds-01
FORMULA_NAME DatabaseWithMutex-PT-40-UpperBounds-02
FORMULA_NAME DatabaseWithMutex-PT-40-UpperBounds-03
FORMULA_NAME DatabaseWithMutex-PT-40-UpperBounds-04
FORMULA_NAME DatabaseWithMutex-PT-40-UpperBounds-05
FORMULA_NAME DatabaseWithMutex-PT-40-UpperBounds-06
FORMULA_NAME DatabaseWithMutex-PT-40-UpperBounds-07
FORMULA_NAME DatabaseWithMutex-PT-40-UpperBounds-08
FORMULA_NAME DatabaseWithMutex-PT-40-UpperBounds-09
FORMULA_NAME DatabaseWithMutex-PT-40-UpperBounds-10
FORMULA_NAME DatabaseWithMutex-PT-40-UpperBounds-11
FORMULA_NAME DatabaseWithMutex-PT-40-UpperBounds-12
FORMULA_NAME DatabaseWithMutex-PT-40-UpperBounds-13
FORMULA_NAME DatabaseWithMutex-PT-40-UpperBounds-14
FORMULA_NAME DatabaseWithMutex-PT-40-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779521543420

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DatabaseWithMutex-PT-40
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-23 07:32:25] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-23 07:32:25] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 07:32:27] [INFO ] Load time of PNML (sax parser for PT used): 1378 ms
[2026-05-23 07:32:27] [INFO ] Transformed 12920 places.
[2026-05-23 07:32:27] [INFO ] Transformed 12800 transitions.
[2026-05-23 07:32:27] [INFO ] Found NUPN structural information;
[2026-05-23 07:32:27] [INFO ] Parsed PT model containing 12920 places and 12800 transitions and 156800 arcs in 1728 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 76 ms.
Reduction of identical properties reduced properties to check from 16 to 14
Current structural bounds on expressions (Initiallly, because the net is safe) : Max Seen:[0, 0, 40, 0, 0, 0, 0, 0, 0, 1, 0, 1, 1, 0] Max Struct:[1600, 1600, 40, 1600, 1600, 1600, 1, 1, 1, 1, 1, 1, 1, 1]
FORMULA DatabaseWithMutex-PT-40-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DatabaseWithMutex-PT-40-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DatabaseWithMutex-PT-40-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DatabaseWithMutex-PT-40-UpperBounds-07 40 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DatabaseWithMutex-PT-40-UpperBounds-02 40 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1600, 1600, 1600, 1600, 1600, 1, 1, 1, 1, 1]
// Phase 1: matrix 12800 rows 12920 cols
[2026-05-23 07:32:29] [INFO ] Computed 1720 invariants in 1154 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1600, 1600, 1600, 1600, 1600, 1, 1, 1, 1, 1]
RANDOM walk for 10000 steps (2 resets) in 4104 ms. (2 steps per ms)
FORMULA DatabaseWithMutex-PT-40-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DatabaseWithMutex-PT-40-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DatabaseWithMutex-PT-40-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 70007 steps (14 resets) in 1849 ms. (37 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[720, 26, 334, 14, 40, 0, 0] Max Struct:[1600, 1600, 1600, 1600, 1600, 1, 1]
[2026-05-23 07:32:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Current structural bounds on expressions (after SMT) : Max Seen:[720, 26, 334, 14, 40, 0, 0] Max Struct:[1600, 1600, 1600, 1600, 1600, 1, 1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[720, 26, 334, 14, 40, 0, 0] Max Struct:[1600, 1600, 1600, 1600, 1600, 1, 1]
Support contains 8001 out of 12920 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 12920/12920 places, 12800/12800 transitions.
Performed 1599 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1599 Pre rules applied. Total rules applied 0 place count 12920 transition count 11201
Deduced a syphon composed of 1599 places in 13 ms
Reduce places removed 1599 places and 0 transitions.
Iterating global reduction 0 with 3198 rules applied. Total rules applied 3198 place count 11321 transition count 11201
Free-agglomeration rule applied 1600 times.
Iterating global reduction 0 with 1600 rules applied. Total rules applied 4798 place count 11321 transition count 9601
Reduce places removed 1600 places and 0 transitions.
Iterating post reduction 0 with 1600 rules applied. Total rules applied 6398 place count 9721 transition count 9601
Applied a total of 6398 rules in 10085 ms. Remains 9721 /12920 variables (removed 3199) and now considering 9601/12800 (removed 3199) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10107 ms. Remains : 9721/12920 places, 9601/12800 transitions.
// Phase 1: matrix 9601 rows 9721 cols
[2026-05-23 07:33:15] [INFO ] Computed 1720 invariants in 653 ms
Current structural bounds on expressions (after invariants) : Max Seen:[720, 26, 334, 14, 40, 0, 0] Max Struct:[1600, 1600, 1600, 1600, 1600, 1, 1]
RANDOM walk for 66715 steps (0 resets) in 30001 ms. (2 steps per ms)
FORMULA DatabaseWithMutex-PT-40-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 811568 steps (0 resets) in 30175 ms. (26 steps per ms)
FORMULA DatabaseWithMutex-PT-40-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
Current structural bounds on expressions (after WALK) : Max Seen:[1281, 40, 1053, 40, 40] Max Struct:[1600, 1600, 1600, 1600, 1600]
[2026-05-23 07:34:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 07:34:19] [INFO ] [Real]Absence check using 159 positive place invariants in 1010 ms returned sat
[2026-05-23 07:34:21] [INFO ] [Real]Absence check using 159 positive and 1561 generalized place invariants in 2651 ms returned sat
[2026-05-23 07:35:00] [INFO ] [Real]Absence check using state equation in 38604 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 07:35:03] [INFO ] [Real]Absence check using 159 positive place invariants in 615 ms returned sat
[2026-05-23 07:35:45] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-23 07:35:45] [INFO ] [Real]Absence check using 159 positive and 1561 generalized place invariants in 41559 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 07:35:49] [INFO ] [Real]Absence check using 159 positive place invariants in 687 ms returned sat
[2026-05-23 07:35:52] [INFO ] [Real]Absence check using 159 positive and 1561 generalized place invariants in 3778 ms returned sat
[2026-05-23 07:36:30] [INFO ] [Real]Absence check using state equation in 37650 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 07:36:34] [INFO ] [Real]Absence check using 159 positive place invariants in 798 ms returned sat
[2026-05-23 07:36:35] [INFO ] [Real]Absence check using 159 positive and 1561 generalized place invariants in 1058 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 07:36:39] [INFO ] [Real]Absence check using 159 positive place invariants in 845 ms returned unsat
Current structural bounds on expressions (after SMT) : Max Seen:[1281, 40, 1053, 40, 40] Max Struct:[1600, 1600, 1600, 40, 40]
FORMULA DatabaseWithMutex-PT-40-UpperBounds-05 40 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA DatabaseWithMutex-PT-40-UpperBounds-04 40 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1281, 40, 1053] Max Struct:[1600, 1600, 1600]
Support contains 4800 out of 9721 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 9721/9721 places, 9601/9601 transitions.
Performed 1600 Post agglomeration using F-continuation condition.Transition count delta: 1600
Iterating post reduction 0 with 1600 rules applied. Total rules applied 1600 place count 9721 transition count 8001
Reduce places removed 1640 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 1641 rules applied. Total rules applied 3241 place count 8081 transition count 8000
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 3242 place count 8080 transition count 8000
Free-agglomeration rule (complex) applied 1600 times.
Iterating global reduction 3 with 1600 rules applied. Total rules applied 4842 place count 8080 transition count 6400
Reduce places removed 1600 places and 0 transitions.
Iterating post reduction 3 with 1600 rules applied. Total rules applied 6442 place count 6480 transition count 6400
Applied a total of 6442 rules in 5973 ms. Remains 6480 /9721 variables (removed 3241) and now considering 6400/9601 (removed 3201) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5973 ms. Remains : 6480/9721 places, 6400/9601 transitions.
// Phase 1: matrix 6400 rows 6480 cols
[2026-05-23 07:36:45] [INFO ] Computed 1680 invariants in 405 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1281, 40, 1053] Max Struct:[1600, 1600, 1600]
RANDOM walk for 90922 steps (0 resets) in 30001 ms. (3 steps per ms)
BEST_FIRST walk for 238557 steps (0 resets) in 15140 ms. (15 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1281, 40, 1560] Max Struct:[1600, 1600, 1600]
[2026-05-23 07:37:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 07:37:33] [INFO ] [Real]Absence check using 119 positive place invariants in 381 ms returned sat
[2026-05-23 07:37:35] [INFO ] [Real]Absence check using 119 positive and 1561 generalized place invariants in 1968 ms returned sat
[2026-05-23 07:37:53] [INFO ] [Real]Absence check using state equation in 18182 ms returned sat
[2026-05-23 07:37:55] [INFO ] Computed and/alt/rep : 1600/1600/1600 causal constraints (skipped 3200 transitions) in 984 ms.
[2026-05-23 07:38:02] [INFO ] Added : 47 causal constraints over 10 iterations in 8222 ms. Result :sat
Minimization took 6460 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 07:38:11] [INFO ] [Real]Absence check using 119 positive place invariants in 313 ms returned sat
[2026-05-23 07:38:54] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-23 07:38:54] [INFO ] [Real]Absence check using 119 positive and 1561 generalized place invariants in 43023 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 07:38:57] [INFO ] [Real]Absence check using 119 positive place invariants in 400 ms returned sat
[2026-05-23 07:39:07] [INFO ] [Real]Absence check using 119 positive and 1561 generalized place invariants in 10078 ms returned unsat
Current structural bounds on expressions (after SMT) : Max Seen:[1281, 40, 1560] Max Struct:[1600, 1600, 1560]
FORMULA DatabaseWithMutex-PT-40-UpperBounds-03 1560 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1281, 40] Max Struct:[1600, 1600]
Support contains 3200 out of 6480 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 6480/6480 places, 6400/6400 transitions.
Applied a total of 0 rules in 1552 ms. Remains 6480 /6480 variables (removed 0) and now considering 6400/6400 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1552 ms. Remains : 6480/6480 places, 6400/6400 transitions.
[2026-05-23 07:39:08] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1281, 40] Max Struct:[1600, 1600]
RANDOM walk for 114757 steps (0 resets) in 30001 ms. (3 steps per ms)
BEST_FIRST walk for 172062 steps (0 resets) in 10110 ms. (17 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1281, 40] Max Struct:[1600, 1600]
[2026-05-23 07:39:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 07:39:51] [INFO ] [Real]Absence check using 119 positive place invariants in 507 ms returned sat
[2026-05-23 07:39:54] [INFO ] [Real]Absence check using 119 positive and 1561 generalized place invariants in 2336 ms returned sat
[2026-05-23 07:40:11] [INFO ] [Real]Absence check using state equation in 17947 ms returned sat
[2026-05-23 07:40:13] [INFO ] Computed and/alt/rep : 1600/1600/1600 causal constraints (skipped 3200 transitions) in 700 ms.
[2026-05-23 07:40:24] [INFO ] Added : 47 causal constraints over 10 iterations in 12132 ms. Result :sat
Minimization took 5621 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 07:40:33] [INFO ] [Real]Absence check using 119 positive place invariants in 340 ms returned sat
[2026-05-23 07:41:16] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-23 07:41:16] [INFO ] [Real]Absence check using 119 positive and 1561 generalized place invariants in 42909 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[1281, 40] Max Struct:[1600, 1600]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1281, 40] Max Struct:[1600, 1600]
Support contains 3200 out of 6480 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 6480/6480 places, 6400/6400 transitions.
Applied a total of 0 rules in 2316 ms. Remains 6480 /6480 variables (removed 0) and now considering 6400/6400 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2316 ms. Remains : 6480/6480 places, 6400/6400 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 6480/6480 places, 6400/6400 transitions.
Applied a total of 0 rules in 1620 ms. Remains 6480 /6480 variables (removed 0) and now considering 6400/6400 (removed 0) transitions.
[2026-05-23 07:41:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 07:41:54] [INFO ] Performed 389/6480 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2026-05-23 07:42:24] [INFO ] Performed 630/6480 implicitness test of which 0 returned IMPLICIT in 60 seconds.
[2026-05-23 07:44:00] [INFO ] Implicit Places using invariants in 160044 ms returned []
[2026-05-23 07:44:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 07:44:51] [INFO ] Performed 342/6480 implicitness test of which 0 returned IMPLICIT in 31 seconds.
[2026-05-23 07:45:31] [INFO ] Performed 532/6480 implicitness test of which 0 returned IMPLICIT in 71 seconds.
[2026-05-23 07:46:04] [INFO ] Performed 685/6480 implicitness test of which 0 returned IMPLICIT in 104 seconds.
[2026-05-23 07:46:35] [INFO ] Performed 974/6480 implicitness test of which 0 returned IMPLICIT in 135 seconds.
[2026-05-23 07:46:35] [INFO ] Timeout of Implicit test with SMT after 135 seconds.
[2026-05-23 07:46:35] [INFO ] Implicit Places using invariants and state equation in 155090 ms returned []
Implicit Place search using SMT with State Equation took 315141 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 07:46:36] [INFO ] Redundant transitions in 1111 ms returned []
Running 4800 sub problems to find dead transitions.
[2026-05-23 07:46:36] [INFO ] Invariant cache hit.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "ParserException while parsing response: ((s0 1.0)
(s1 1.0)
(s2 1.0)
(s3 1.0)
(s4 1.0)
(s5 1.0)
(s6 1.0)
(s7 1.0)
(s8 1.0)
(s9 1.0)
(s10 1.0)
(s11 1.0)
(s12 1.0)
(s13 1.0)
(s14 1.0)
(s15 1.0)
(s16 1.0)
(s17 1.0)
(s18 1.0)
(s19 1.0)
(s20 1.0)
(s21 1.0)
(s22 1.0)
(s23 1.0)
(s24 1.0)
(s25 1.0)
(s26 1.0)
(s27 1.0)
(s28 1.0)
(s29 1.0)
(s30 1.0)
(s31 1.0)
(s32 1.0)
(s33 1.0)
(s34 1.0)
(s35 1.0)
(s36 1.0)
(s37 1.0)
(s38 1.0)
(s39 1.0)
(s40 1.0)
(s41 1.0)
(s42 1.0)
(s43 1.0)
(s44 1.0)
(s45 1.0)
(s46 1.0)
(s47 1.0)
(s48 1.0)
(s49 1.0)
(s50 1.0)
(s51 1.0)
(s52 1.0)
(s53 1.0)
(s54 1.0)
(s55 1.0)
(s56 1.0)
(s57 1.0)
(s58 1.0)
(s59 1.0)
(s60 1.0)
(s61 1.0)
(s62 1.0)
(s63 1.0)
(s64 1.0)
(s65 1.0)
(s66 1.0)
(s67 1.0)
(s68 1.0)
(s69 1.0)
(s70 1.0)
(s71 1.0)
(s72 1.0)
(s73 1.0)
(s74 1.0)
(s75 1.0)
(s76 1.0)
(s77 1.0)
(s78 1.0)
(s79 1.0)
(s80 1.0)
(s81 1.0)
(s82 1.0)
(s83 1.0)
(s84 1.0)
(s85 1.0)
(s86 1.0)
(s87 1.0)
(s88 1.0)
(s89 1.0)
(s90 1.0)
(s91 1.0)
(s92 1.0)
(s93 1.0)
(s94 1.0)
(s95 1.0)
(s96 1.0)
(s97 1.0)
(s98 1.0)
(s99 1.0)
(s100 1.0)
(s101 1.0)
(s102 1.0)
(s103 1.0)
(s104 1.0)
(s105 1.0)
(s106 1.0)
(s107 1.0)
(s108 1.0)
(s109 1.0)
(s110 1.0)
(s111 1.0)
(s112 1.0)
(s113 1.0)
(s114 1.0)
(s115 1.0)
(s116 1.0)
(s117 1.0)
(s118 1.0)
(s119 1.0)
(s120 1.0)
(s121 1.0)
(s122 1.0)
(s123 1.0)
(s124 1.0)
(s125 1.0)
(s126 1.0)
(s127 1.0)
(s128 1.0)
(s129 1.0)
(s130 1.0)
(s131 1.0)
(s132 1.0)
(s133 1.0)
(s134 1.0)
(s135 1.0)
(s136 1.0)
(s137 1.0)
(s138 1.0)
(s139 1.0)
(s140 1.0)
(s141 1.0)
(s142 1.0)
(s143 1.0)
(s144 1.0)
(s145 1.0)
(s146 1.0)
(s147 1.0)
(s148 1.0)
(s149 1.0)
(s150 1.0)
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(s1602 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/6400 variables, 6400/6400 constraints. Problems are: Problem set: 0 solved, 4800 unsolved
SMT process timed out in 42136ms, After SMT, problems are : Problem set: 0 solved, 4800 unsolved
Search for dead transitions found 0 dead transitions in 42225ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 360169 ms. Remains : 6480/6480 places, 6400/6400 transitions.
[2026-05-23 07:47:22] [INFO ] Flatten gal took : 2925 ms
[2026-05-23 07:47:24] [INFO ] Flatten gal took : 1857 ms
[2026-05-23 07:47:25] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1954195297933331461.gal : 668 ms
[2026-05-23 07:47:25] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7232139107531164448.prop : 22 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality1954195297933331461.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7232139107531164448.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
RANDOM walk for 40000 steps (8 resets) in 29657 ms. (1 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 2425 ms. (16 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 2358 ms. (16 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 2025 ms. (19 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 2408 ms. (16 steps per ms) remains 4/4 properties
Loading property file /tmp/ReachabilityCardinality7232139107531164448.prop.
Interrupted probabilistic random walk after 161112 steps, run timeout after 30062 ms. (steps per millisecond=5 ) properties seen :0 out of 4
Probabilistic random walk after 161112 steps, saw 160980 distinct states, run finished after 30075 ms. (steps per millisecond=5 ) properties seen :0
[2026-05-23 07:47:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3200 variables, 3200/3200 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/3200 variables, 0/3200 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Problem MAX1 is UNSAT
At refinement iteration 2 (OVERLAPS) 272/3472 variables, 119/3319 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/3472 variables, 272/3591 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3472 variables, 1/3592 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/3472 variables, 0/3592 constraints. Problems are: Problem set: 1 solved, 3 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 6480/12880 variables, and 5152 constraints, problems are : Problem set: 1 solved, 3 unsolved in 5017 ms.
Refiners :[Domain max(s): 3472/6480 constraints, Positive P Invariants (semi-flows): 119/119 constraints, Generalized P Invariants (flows): 1561/1561 constraints, State Equation: 0/6480 constraints, PredecessorRefiner: 4/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 3 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3200 variables, 3200/3200 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/3200 variables, 0/3200 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 272/3472 variables, 119/3319 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/3472 variables, 272/3591 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3472 variables, 1/3592 constraints. Problems are: Problem set: 1 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 07:48:06] [INFO ] Deduced a trap composed of 41 places in 631 ms of which 61 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 07:48:07] [INFO ] Deduced a trap composed of 41 places in 647 ms of which 52 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 07:48:08] [INFO ] Deduced a trap composed of 41 places in 642 ms of which 52 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 07:48:08] [INFO ] Deduced a trap composed of 41 places in 559 ms of which 47 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 07:48:09] [INFO ] Deduced a trap composed of 41 places in 611 ms of which 43 ms to minimize.
SMT process timed out in 10213ms, After SMT, problems are : Problem set: 1 solved, 3 unsolved
Fused 3 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 3200 out of 6480 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 6480/6480 places, 6400/6400 transitions.
Applied a total of 0 rules in 1668 ms. Remains 6480 /6480 variables (removed 0) and now considering 6400/6400 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1670 ms. Remains : 6480/6480 places, 6400/6400 transitions.
Detected timeout of ITS tools.
RANDOM walk for 40000 steps (8 resets) in 20040 ms. (1 steps per ms) remains 3/3 properties
[2026-05-23 07:48:17] [INFO ] Flatten gal took : 1358 ms
[2026-05-23 07:48:17] [INFO ] Applying decomposition
BEST_FIRST walk for 40004 steps (8 resets) in 2129 ms. (18 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 2168 ms. (18 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 2180 ms. (18 steps per ms) remains 3/3 properties
[2026-05-23 07:48:18] [INFO ] Flatten gal took : 1507 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph13523788238524276006.txt' '-o' '/tmp/graph13523788238524276006.bin' '-w' '/tmp/graph13523788238524276006.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph13523788238524276006.bin' '-l' '-1' '-v' '-w' '/tmp/graph13523788238524276006.weights' '-q' '0' '-e' '0.001'
[2026-05-23 07:48:33] [INFO ] Decomposing Gal with order
[2026-05-23 07:48:33] [INFO ] Rewriting arrays to variables to allow decomposition.
Probabilistic random walk after 104413 steps, saw 104334 distinct states, run finished after 21009 ms. (steps per millisecond=4 ) properties seen :0
[2026-05-23 07:48:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/3200 variables, 3200/3200 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/3200 variables, 0/3200 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 272/3472 variables, 119/3319 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/3472 variables, 272/3591 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3472 variables, 1/3592 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/3472 variables, 0/3592 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Problem MAX0 is UNSAT
Problem MIN1 is UNSAT
At refinement iteration 6 (OVERLAPS) 3008/6480 variables, 1560/5152 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/6480 variables, 3008/8160 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/6480 variables, 0/8160 constraints. Problems are: Problem set: 2 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 12880/12880 variables, and 14640 constraints, problems are : Problem set: 2 solved, 1 unsolved in 12940 ms.
Refiners :[Domain max(s): 6480/6480 constraints, Positive P Invariants (semi-flows): 119/119 constraints, Generalized P Invariants (flows): 1561/1561 constraints, State Equation: 6480/6480 constraints, PredecessorRefiner: 3/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 2 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1600 variables, 1600/1600 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1600 variables, 0/1600 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 381/1981 variables, 114/1714 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1981 variables, 381/2095 constraints. Problems are: Problem set: 2 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 07:48:53] [INFO ] Deduced a trap composed of 7 places in 208 ms of which 5 ms to minimize.
[2026-05-23 07:48:53] [INFO ] Removed a total of 3040 redundant transitions.
At refinement iteration 4 (INCLUDED_ONLY) 0/1981 variables, 1/2096 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1981 variables, 0/2096 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 194/2175 variables, 5/2101 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2175 variables, 194/2295 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2175 variables, 0/2295 constraints. Problems are: Problem set: 2 solved, 1 unsolved
[2026-05-23 07:48:55] [INFO ] Flatten gal took : 19961 ms
At refinement iteration 9 (OVERLAPS) 4305/6480 variables, 1561/3856 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/6480 variables, 4305/8161 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/6480 variables, 0/8161 constraints. Problems are: Problem set: 2 solved, 1 unsolved
[2026-05-23 07:48:59] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 186 ms.
[2026-05-23 07:49:01] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4867794791112422072.gal : 299 ms
[2026-05-23 07:49:01] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality105536834062515227.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality4867794791112422072.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality105536834062515227.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...327
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 12880/12880 variables, and 14641 constraints, problems are : Problem set: 2 solved, 1 unsolved in 15262 ms.
Refiners :[Domain max(s): 6480/6480 constraints, Positive P Invariants (semi-flows): 119/119 constraints, Generalized P Invariants (flows): 1561/1561 constraints, State Equation: 6480/6480 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 28314ms problems are : Problem set: 2 solved, 1 unsolved
Finished Parikh walk after 1497 steps, including 0 resets, run visited all 1 properties in 423 ms. (steps per millisecond=3 )
Parikh walk visited 1 properties in 437 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
FORMULA DatabaseWithMutex-PT-40-UpperBounds-06 40 TECHNIQUES REACHABILITY_MIN
FORMULA DatabaseWithMutex-PT-40-UpperBounds-01 40 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (After reachability solving 1 queries.) : Max Seen:[1281] Max Struct:[1600]
Starting property specific reduction for DatabaseWithMutex-PT-40-UpperBounds-00
Current structural bounds on expressions (Initiallly, because the net is safe) : Max Seen:[0] Max Struct:[1600]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[1600]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[1600]
[2026-05-23 07:49:08] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1600]
RANDOM walk for 10000 steps (2 resets) in 2255 ms. (4 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 396 ms. (25 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[582] Max Struct:[1600]
[2026-05-23 07:49:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 07:49:13] [INFO ] [Real]Absence check using 119 positive place invariants in 328 ms returned sat
[2026-05-23 07:49:14] [INFO ] [Real]Absence check using 119 positive and 1561 generalized place invariants in 1624 ms returned sat
[2026-05-23 07:49:15] [INFO ] [Real]Absence check using state equation in 1088 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[582] Max Struct:[1600]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[582] Max Struct:[1600]
Support contains 1600 out of 6480 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 6480/6480 places, 6400/6400 transitions.
Applied a total of 0 rules in 1740 ms. Remains 6480 /6480 variables (removed 0) and now considering 6400/6400 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1742 ms. Remains : 6480/6480 places, 6400/6400 transitions.
[2026-05-23 07:49:17] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[582] Max Struct:[1600]
RANDOM walk for 169592 steps (0 resets) in 30001 ms. (5 steps per ms)
BEST_FIRST walk for 110732 steps (0 resets) in 5008 ms. (22 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[585] Max Struct:[1600]
[2026-05-23 07:49:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 07:49:54] [INFO ] [Real]Absence check using 119 positive place invariants in 399 ms returned sat
[2026-05-23 07:49:57] [INFO ] [Real]Absence check using 119 positive and 1561 generalized place invariants in 2280 ms returned sat
[2026-05-23 07:50:17] [INFO ] [Real]Absence check using state equation in 20403 ms returned sat
[2026-05-23 07:50:19] [INFO ] Computed and/alt/rep : 1600/1600/1600 causal constraints (skipped 3200 transitions) in 803 ms.
[2026-05-23 07:50:37] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
Current structural bounds on expressions (after SMT) : Max Seen:[585] Max Struct:[1600]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[585] Max Struct:[1600]
Support contains 1600 out of 6480 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 6480/6480 places, 6400/6400 transitions.
Applied a total of 0 rules in 2038 ms. Remains 6480 /6480 variables (removed 0) and now considering 6400/6400 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2038 ms. Remains : 6480/6480 places, 6400/6400 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 6480/6480 places, 6400/6400 transitions.
Applied a total of 0 rules in 2021 ms. Remains 6480 /6480 variables (removed 0) and now considering 6400/6400 (removed 0) transitions.
[2026-05-23 07:50:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 07:51:27] [INFO ] Performed 179/6480 implicitness test of which 45 returned IMPLICIT in 35 seconds.
[2026-05-23 07:52:08] [INFO ] Performed 367/6480 implicitness test of which 98 returned IMPLICIT in 75 seconds.
[2026-05-23 07:53:28] [INFO ] Implicit Places using invariants in 160051 ms returned [1, 5, 7, 8, 11, 13, 18, 22, 31, 39, 43, 45, 50, 52, 56, 58, 66, 69, 70, 76, 77, 84, 85, 91, 95, 98, 100, 109, 113, 118, 120, 123, 126, 127, 133, 152, 154, 160, 161, 164, 167, 168, 171, 172, 176, 180, 182, 183, 184, 187, 188, 193, 195, 196, 207, 208, 209, 211, 213, 215, 217, 219, 220, 223, 228, 238, 240, 252, 253, 255, 261, 262, 265, 270, 273, 275, 278, 279, 282, 284, 290, 307, 308, 311, 313, 320, 327, 334, 336, 337, 344, 345, 346, 351, 357, 359, 360, 364]
Discarding 98 places :
Implicit Place search using SMT only with invariants took 160086 ms to find 98 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 6382/6480 places, 6400/6400 transitions.
Applied a total of 0 rules in 2051 ms. Remains 6382 /6382 variables (removed 0) and now considering 6400/6400 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 164162 ms. Remains : 6382/6480 places, 6400/6400 transitions.
// Phase 1: matrix 6400 rows 6382 cols
[2026-05-23 07:53:30] [INFO ] Computed 1582 invariants in 386 ms
Current structural bounds on expressions (after invariants) : Max Seen:[585] Max Struct:[1600]
RANDOM walk for 163699 steps (0 resets) in 30001 ms. (5 steps per ms)
BEST_FIRST walk for 122916 steps (0 resets) in 5007 ms. (24 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[585] Max Struct:[1600]
[2026-05-23 07:54:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 07:54:08] [INFO ] [Real]Absence check using 114 positive place invariants in 325 ms returned sat
[2026-05-23 07:54:09] [INFO ] [Real]Absence check using 114 positive and 1468 generalized place invariants in 1616 ms returned sat
[2026-05-23 07:54:29] [INFO ] [Real]Absence check using state equation in 19926 ms returned sat
[2026-05-23 07:54:30] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
Current structural bounds on expressions (after SMT) : Max Seen:[585] Max Struct:[1600]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[585] Max Struct:[1600]
Support contains 1600 out of 6382 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 6382/6382 places, 6400/6400 transitions.
Applied a total of 0 rules in 1754 ms. Remains 6382 /6382 variables (removed 0) and now considering 6400/6400 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1754 ms. Remains : 6382/6382 places, 6400/6400 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 6382/6382 places, 6400/6400 transitions.
Applied a total of 0 rules in 1724 ms. Remains 6382 /6382 variables (removed 0) and now considering 6400/6400 (removed 0) transitions.
[2026-05-23 07:54:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 07:55:29] [INFO ] Performed 262/6382 implicitness test of which 0 returned IMPLICIT in 45 seconds.
[2026-05-23 07:57:19] [INFO ] Implicit Places using invariants in 160056 ms returned []
[2026-05-23 07:57:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 07:59:59] [INFO ] Implicit Places using invariants and state equation in 160096 ms returned []
Implicit Place search using SMT with State Equation took 320157 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 08:00:01] [INFO ] Redundant transitions in 1691 ms returned []
Running 4800 sub problems to find dead transitions.
[2026-05-23 08:00:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/6302 variables, 6302/6302 constraints. Problems are: Problem set: 0 solved, 4800 unsolved
SMT process timed out in 40750ms, After SMT, problems are : Problem set: 0 solved, 4800 unsolved
Search for dead transitions found 0 dead transitions in 40798ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 364408 ms. Remains : 6382/6382 places, 6400/6400 transitions.
[2026-05-23 08:00:44] [INFO ] Flatten gal took : 1905 ms
[2026-05-23 08:00:46] [INFO ] Flatten gal took : 2157 ms
[2026-05-23 08:00:47] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5026843786270493934.gal : 152 ms
[2026-05-23 08:00:47] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality989044461445340061.prop : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality5026843786270493934.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality989044461445340061.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...327
RANDOM walk for 40000 steps (8 resets) in 17975 ms. (2 steps per ms) remains 1/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 2495 ms. (16 steps per ms) remains 1/1 properties
[2026-05-23 08:00:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1600 variables, 1600/1600 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1600 variables, 0/1600 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 375/1975 variables, 112/1712 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1975 variables, 375/2087 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1975 variables, 0/2087 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 77/2052 variables, 2/2089 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2052 variables, 77/2166 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2052 variables, 0/2166 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 6382/12782 variables, and 3634 constraints, problems are : Problem set: 0 solved, 1 unsolved in 3524 ms.
Refiners :[Domain max(s): 2052/6382 constraints, Positive P Invariants (semi-flows): 114/114 constraints, Generalized P Invariants (flows): 1468/1468 constraints, State Equation: 0/6382 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
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1600 variables, 1600/1600 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1600 variables, 0/1600 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 375/1975 variables, 112/1712 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1975 variables, 375/2087 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1975 variables, 0/2087 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 77/2052 variables, 2/2089 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2052 variables, 77/2166 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2052 variables, 0/2166 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
Problem MAX0 is UNSAT
After SMT solving in domain Int declared 6382/12782 variables, and 3634 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2990 ms.
Refiners :[Domain max(s): 2052/6382 constraints, Positive P Invariants (semi-flows): 114/114 constraints, Generalized P Invariants (flows): 1468/1468 constraints, State Equation: 0/6382 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 6601ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[585] Max Struct:[1600]
Ending property specific reduction for DatabaseWithMutex-PT-40-UpperBounds-00 in 706401 ms.
[2026-05-23 08:00:55] [INFO ] Flatten gal took : 1366 ms
[2026-05-23 08:00:56] [INFO ] Applying decomposition
[2026-05-23 08:00:57] [INFO ] Flatten gal took : 1264 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph8315963793691113630.txt' '-o' '/tmp/graph8315963793691113630.bin' '-w' '/tmp/graph8315963793691113630.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph8315963793691113630.bin' '-l' '-1' '-v' '-w' '/tmp/graph8315963793691113630.weights' '-q' '0' '-e' '0.001'
[2026-05-23 08:01:00] [INFO ] Decomposing Gal with order
[2026-05-23 08:01:01] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 08:01:07] [INFO ] Removed a total of 121600 redundant transitions.
[2026-05-23 08:01:07] [INFO ] Flatten gal took : 2338 ms
[2026-05-23 08:01:14] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 6264 ms.
[2026-05-23 08:01:15] [INFO ] Time to serialize gal into /tmp/UpperBounds3587311740713130615.gal : 238 ms
[2026-05-23 08:01:15] [INFO ] Time to serialize properties into /tmp/UpperBounds9243444823741567244.prop : 6 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/UpperBounds3587311740713130615.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds9243444823741567244.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...304
Loading property file /tmp/UpperBounds9243444823741567244.prop.
ITS-tools command line returned an error code 137
[2026-05-23 08:15:56] [INFO ] Applying decomposition
[2026-05-23 08:16:56] [INFO ] Flatten gal took : 60645 ms
[2026-05-23 08:16:57] [INFO ] Decomposing Gal with order
[2026-05-23 08:16:58] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 08:17:05] [INFO ] Removed a total of 121600 redundant transitions.
[2026-05-23 08:17:05] [INFO ] Flatten gal took : 2403 ms
[2026-05-23 08:17:23] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 17666 ms.
[2026-05-23 08:17:24] [INFO ] Time to serialize gal into /tmp/UpperBounds14083791192438246121.gal : 430 ms
[2026-05-23 08:17:24] [INFO ] Time to serialize properties into /tmp/UpperBounds1393961957460202168.prop : 4 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/UpperBounds14083791192438246121.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds1393961957460202168.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...305
Loading property file /tmp/UpperBounds1393961957460202168.prop.
ITS-tools command line returned an error code 137
[2026-05-23 08:28:20] [INFO ] Flatten gal took : 1504 ms
[2026-05-23 08:28:25] [INFO ] Input system was already deterministic with 6400 transitions.
[2026-05-23 08:28:26] [INFO ] Transformed 6480 places.
[2026-05-23 08:28:27] [INFO ] Transformed 6400 transitions.
Running greatSPN : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//../itstools/bin//..//greatspn//bin/pinvar' '/home/mcc/execution/gspn'
P-invariant computation with GreatSPN timed out. Skipping.
Running greatSPN : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//../itstools/bin//..//greatspn//bin/RGMEDD2' '/home/mcc/execution/gspn' '-META' '-varord-only'
Run of greatSPN captured in /home/mcc/execution/outPut.txt
Using order generated by GreatSPN with heuristic : META
[2026-05-23 08:29:00] [INFO ] Time to serialize gal into /tmp/UpperBounds1522932141530966601.gal : 165 ms
[2026-05-23 08:29:00] [INFO ] Time to serialize properties into /tmp/UpperBounds12185523698766086794.prop : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/UpperBounds1522932141530966601.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds12185523698766086794.prop' '--nowitness' '--load-order' '/home/mcc/execution/model.ord' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...350
Successfully loaded order from file /home/mcc/execution/model.ord
Loading property file /tmp/UpperBounds12185523698766086794.prop.

BK_TIME_CONFINEMENT_REACHED

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -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_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -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="DatabaseWithMutex-PT-40"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="gold2025"
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 gold2025"
echo " Input is DatabaseWithMutex-PT-40, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r095-smll-177946996300010"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DatabaseWithMutex-PT-40.tgz
mv DatabaseWithMutex-PT-40 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "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 [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "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 "UpperBounds.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 '' UpperBounds.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
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 ;