About the Execution of ITS-Tools for ZombiesAndSurvivors-PT-Circular32050050
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r254-tall-174931340100549.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-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 2-5832
Executing tool itstools
Input is ZombiesAndSurvivors-PT-Circular32050050, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r254-tall-174931340100549
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 496K
-rw-r--r-- 1 mcc users 9.4K Jun 6 09:11 CTLCardinality.txt
-rw-r--r-- 1 mcc users 81K Jun 6 09:11 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.6K Jun 6 09:10 CTLFireability.txt
-rw-r--r-- 1 mcc users 43K Jun 6 09:10 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.7K Jun 6 12:18 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Jun 6 12:18 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.4K Jun 6 12:18 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Jun 6 12:18 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 Jun 5 20:08 NewModel
-rw-r--r-- 1 mcc users 8.5K Jun 6 09:12 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 60K Jun 6 09:12 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 14K Jun 6 09:12 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 85K Jun 6 09:12 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.1K Jun 6 12:18 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.1K Jun 6 12:18 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Jun 5 20:08 equiv_col
-rw-r--r-- 1 mcc users 17 Jun 5 20:08 instance
-rw-r--r-- 1 mcc users 6 Jun 5 20:08 iscolored
-rw-r--r-- 1 mcc users 82K Jun 5 20:08 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 ZombiesAndSurvivors-PT-Circular32050050-UpperBounds-00
FORMULA_NAME ZombiesAndSurvivors-PT-Circular32050050-UpperBounds-01
FORMULA_NAME ZombiesAndSurvivors-PT-Circular32050050-UpperBounds-02
FORMULA_NAME ZombiesAndSurvivors-PT-Circular32050050-UpperBounds-03
FORMULA_NAME ZombiesAndSurvivors-PT-Circular32050050-UpperBounds-04
FORMULA_NAME ZombiesAndSurvivors-PT-Circular32050050-UpperBounds-05
FORMULA_NAME ZombiesAndSurvivors-PT-Circular32050050-UpperBounds-06
FORMULA_NAME ZombiesAndSurvivors-PT-Circular32050050-UpperBounds-07
FORMULA_NAME ZombiesAndSurvivors-PT-Circular32050050-UpperBounds-08
FORMULA_NAME ZombiesAndSurvivors-PT-Circular32050050-UpperBounds-09
FORMULA_NAME ZombiesAndSurvivors-PT-Circular32050050-UpperBounds-10
FORMULA_NAME ZombiesAndSurvivors-PT-Circular32050050-UpperBounds-11
FORMULA_NAME ZombiesAndSurvivors-PT-Circular32050050-UpperBounds-12
FORMULA_NAME ZombiesAndSurvivors-PT-Circular32050050-UpperBounds-13
FORMULA_NAME ZombiesAndSurvivors-PT-Circular32050050-UpperBounds-14
FORMULA_NAME ZombiesAndSurvivors-PT-Circular32050050-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1749414536058
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ZombiesAndSurvivors-PT-Circular32050050
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2025-06-08 20:28:57] [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]
[2025-06-08 20:28:57] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-08 20:28:57] [INFO ] Load time of PNML (sax parser for PT used): 54 ms
[2025-06-08 20:28:57] [INFO ] Transformed 64 places.
[2025-06-08 20:28:57] [INFO ] Transformed 192 transitions.
[2025-06-08 20:28:57] [INFO ] Parsed PT model containing 64 places and 192 transitions and 448 arcs in 135 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 6 ms.
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
// Phase 1: matrix 192 rows 64 cols
[2025-06-08 20:28:57] [INFO ] Computed 0 invariants in 7 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 10042 steps (2 resets) in 9 ms. (1004 steps per ms)
BEST_FIRST walk for 160016 steps (32 resets) in 115 ms. (1379 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[50, 50, 3, 50, 1, 1, 50, 50, 50, 1, 50, 1, 50, 50, 50, 50] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-08 20:28:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 20:28:57] [INFO ] [Real]Absence check using state equation in 79 ms returned sat
[2025-06-08 20:28:57] [INFO ] State equation strengthened by 62 read => feed constraints.
[2025-06-08 20:28:57] [INFO ] [Real]Added 62 Read/Feed constraints in 34 ms returned sat
[2025-06-08 20:28:57] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 20:28:57] [INFO ] [Nat]Absence check using state equation in 41 ms returned sat
[2025-06-08 20:28:57] [INFO ] [Nat]Added 62 Read/Feed constraints in 35 ms returned sat
[2025-06-08 20:28:57] [INFO ] Computed and/alt/rep : 188/589/188 causal constraints (skipped 0 transitions) in 20 ms.
[2025-06-08 20:28:59] [INFO ] Added : 84 causal constraints over 29 iterations in 1308 ms. Result :sat
Minimization took 137 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 20:28:59] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2025-06-08 20:28:59] [INFO ] [Real]Added 62 Read/Feed constraints in 42 ms returned sat
[2025-06-08 20:28:59] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 20:28:59] [INFO ] [Nat]Absence check using state equation in 48 ms returned sat
[2025-06-08 20:28:59] [INFO ] [Nat]Added 62 Read/Feed constraints in 38 ms returned sat
[2025-06-08 20:28:59] [INFO ] Computed and/alt/rep : 188/589/188 causal constraints (skipped 0 transitions) in 10 ms.
[2025-06-08 20:28:59] [INFO ] Added : 31 causal constraints over 7 iterations in 232 ms. Result :sat
Minimization took 66 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 20:29:00] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2025-06-08 20:29:00] [INFO ] [Real]Added 62 Read/Feed constraints in 8 ms returned sat
[2025-06-08 20:29:00] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 20:29:00] [INFO ] [Nat]Absence check using state equation in 36 ms returned sat
[2025-06-08 20:29:00] [INFO ] [Nat]Added 62 Read/Feed constraints in 39 ms returned sat
[2025-06-08 20:29:00] [INFO ] Computed and/alt/rep : 188/589/188 causal constraints (skipped 0 transitions) in 14 ms.
[2025-06-08 20:29:00] [INFO ] Added : 130 causal constraints over 28 iterations in 680 ms. Result :sat
Minimization took 164 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 20:29:01] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2025-06-08 20:29:01] [INFO ] [Real]Added 62 Read/Feed constraints in 31 ms returned sat
[2025-06-08 20:29:01] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 20:29:01] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2025-06-08 20:29:01] [INFO ] [Nat]Added 62 Read/Feed constraints in 29 ms returned sat
[2025-06-08 20:29:01] [INFO ] Computed and/alt/rep : 188/589/188 causal constraints (skipped 0 transitions) in 12 ms.
[2025-06-08 20:29:01] [INFO ] Added : 33 causal constraints over 7 iterations in 348 ms. Result :sat
Minimization took 89 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 20:29:01] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2025-06-08 20:29:01] [INFO ] [Real]Added 62 Read/Feed constraints in 8 ms returned sat
[2025-06-08 20:29:01] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 20:29:01] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2025-06-08 20:29:01] [INFO ] [Nat]Added 62 Read/Feed constraints in 17 ms returned sat
[2025-06-08 20:29:01] [INFO ] Computed and/alt/rep : 188/589/188 causal constraints (skipped 0 transitions) in 11 ms.
[2025-06-08 20:29:02] [INFO ] Added : 58 causal constraints over 21 iterations in 597 ms. Result :sat
Minimization took 99 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 20:29:02] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2025-06-08 20:29:02] [INFO ] [Real]Added 62 Read/Feed constraints in 5 ms returned sat
[2025-06-08 20:29:02] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 20:29:02] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2025-06-08 20:29:02] [INFO ] [Nat]Added 62 Read/Feed constraints in 38 ms returned sat
[2025-06-08 20:29:02] [INFO ] Computed and/alt/rep : 188/589/188 causal constraints (skipped 0 transitions) in 10 ms.
[2025-06-08 20:29:03] [INFO ] Added : 136 causal constraints over 45 iterations in 1193 ms. Result :sat
Minimization took 196 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 20:29:04] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2025-06-08 20:29:04] [INFO ] [Real]Added 62 Read/Feed constraints in 63 ms returned sat
[2025-06-08 20:29:04] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 20:29:04] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2025-06-08 20:29:04] [INFO ] [Nat]Added 62 Read/Feed constraints in 31 ms returned sat
[2025-06-08 20:29:04] [INFO ] Computed and/alt/rep : 188/589/188 causal constraints (skipped 0 transitions) in 11 ms.
[2025-06-08 20:29:04] [INFO ] Added : 33 causal constraints over 7 iterations in 251 ms. Result :sat
Minimization took 87 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 20:29:04] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2025-06-08 20:29:04] [INFO ] [Real]Added 62 Read/Feed constraints in 45 ms returned sat
[2025-06-08 20:29:04] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 20:29:04] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2025-06-08 20:29:04] [INFO ] [Nat]Added 62 Read/Feed constraints in 30 ms returned sat
[2025-06-08 20:29:04] [INFO ] Computed and/alt/rep : 188/589/188 causal constraints (skipped 0 transitions) in 12 ms.
[2025-06-08 20:29:05] [INFO ] Added : 73 causal constraints over 20 iterations in 406 ms. Result :sat
Minimization took 133 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 20:29:05] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2025-06-08 20:29:05] [INFO ] [Real]Added 62 Read/Feed constraints in 43 ms returned sat
[2025-06-08 20:29:05] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 20:29:05] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2025-06-08 20:29:05] [INFO ] [Nat]Added 62 Read/Feed constraints in 39 ms returned sat
[2025-06-08 20:29:05] [INFO ] Computed and/alt/rep : 188/589/188 causal constraints (skipped 0 transitions) in 13 ms.
[2025-06-08 20:29:06] [INFO ] Added : 73 causal constraints over 18 iterations in 405 ms. Result :sat
Minimization took 132 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 20:29:06] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2025-06-08 20:29:06] [INFO ] [Real]Added 62 Read/Feed constraints in 6 ms returned sat
[2025-06-08 20:29:06] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 20:29:06] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2025-06-08 20:29:06] [INFO ] [Nat]Added 62 Read/Feed constraints in 9 ms returned sat
[2025-06-08 20:29:06] [INFO ] Computed and/alt/rep : 188/589/188 causal constraints (skipped 0 transitions) in 10 ms.
[2025-06-08 20:29:06] [INFO ] Added : 30 causal constraints over 6 iterations in 129 ms. Result :sat
Minimization took 51 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 20:29:06] [INFO ] [Real]Absence check using state equation in 27 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 20:29:06] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2025-06-08 20:29:06] [INFO ] [Real]Added 62 Read/Feed constraints in 7 ms returned sat
[2025-06-08 20:29:06] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 20:29:06] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2025-06-08 20:29:06] [INFO ] [Nat]Added 62 Read/Feed constraints in 16 ms returned sat
[2025-06-08 20:29:06] [INFO ] Computed and/alt/rep : 188/589/188 causal constraints (skipped 0 transitions) in 13 ms.
[2025-06-08 20:29:07] [INFO ] Added : 58 causal constraints over 20 iterations in 571 ms. Result :sat
Minimization took 103 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 20:29:07] [INFO ] [Real]Absence check using state equation in 28 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 20:29:07] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2025-06-08 20:29:07] [INFO ] [Real]Added 62 Read/Feed constraints in 20 ms returned sat
[2025-06-08 20:29:07] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 20:29:07] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2025-06-08 20:29:07] [INFO ] [Nat]Added 62 Read/Feed constraints in 25 ms returned sat
[2025-06-08 20:29:07] [INFO ] Computed and/alt/rep : 188/589/188 causal constraints (skipped 0 transitions) in 10 ms.
[2025-06-08 20:29:08] [INFO ] Added : 84 causal constraints over 26 iterations in 1068 ms. Result :sat
Minimization took 97 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 20:29:08] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2025-06-08 20:29:08] [INFO ] [Real]Added 62 Read/Feed constraints in 5 ms returned sat
[2025-06-08 20:29:08] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 20:29:08] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2025-06-08 20:29:08] [INFO ] [Nat]Added 62 Read/Feed constraints in 13 ms returned sat
[2025-06-08 20:29:08] [INFO ] Computed and/alt/rep : 188/589/188 causal constraints (skipped 0 transitions) in 11 ms.
[2025-06-08 20:29:09] [INFO ] Added : 31 causal constraints over 7 iterations in 158 ms. Result :sat
Minimization took 56 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 20:29:09] [INFO ] [Real]Absence check using state equation in 27 ms returned unsat
Current structural bounds on expressions (after SMT) : Max Seen:[50, 50, 3, 50, 1, 1, 50, 50, 50, 1, 50, 1, 50, 50, 50, 50] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 50, +inf, 50, +inf, +inf, 50]
FORMULA ZombiesAndSurvivors-PT-Circular32050050-UpperBounds-15 50 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA ZombiesAndSurvivors-PT-Circular32050050-UpperBounds-12 50 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA ZombiesAndSurvivors-PT-Circular32050050-UpperBounds-10 50 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[96, 100, 78, 99, 50, 100, 99, 94, 94, 50, 50, 92, 100] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 13 out of 64 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 64/64 places, 192/192 transitions.
Graph (trivial) has 82 edges and 64 vertex of which 48 / 64 are part of one of the 7 SCC in 2 ms
Free SCC test removed 41 places
Drop transitions (Empty/Sink Transition effects.) removed 82 transitions
Ensure Unique test removed 24 transitions
Reduce isomorphic transitions removed 106 transitions.
Applied a total of 1 rules in 18 ms. Remains 23 /64 variables (removed 41) and now considering 86/192 (removed 106) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24 ms. Remains : 23/64 places, 86/192 transitions.
[2025-06-08 20:29:11] [INFO ] Flow matrix only has 84 transitions (discarded 2 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
When looking for a positive semi flow solution, solver replied unsat
[2025-06-08 20:29:11] [INFO ] Flow matrix only has 84 transitions (discarded 2 similar events)
// Phase 1: matrix 84 rows 23 cols
[2025-06-08 20:29:11] [INFO ] Computed 0 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[96, 100, 78, 99, 50, 100, 99, 94, 94, 50, 50, 92, 100] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000033 steps (2 resets) in 110 ms. (9009 steps per ms)
BEST_FIRST walk for 13000011 steps (26 resets) in 2405 ms. (5403 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[96, 100, 98, 99, 50, 100, 99, 94, 94, 50, 50, 92, 100] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-08 20:29:13] [INFO ] Flow matrix only has 84 transitions (discarded 2 similar events)
[2025-06-08 20:29:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-08 20:29:13] [INFO ] [Real]Absence check using state equation in 14 ms returned sat
[2025-06-08 20:29:13] [INFO ] State equation strengthened by 21 read => feed constraints.
[2025-06-08 20:29:13] [INFO ] [Real]Added 21 Read/Feed constraints in 11 ms returned sat
[2025-06-08 20:29:13] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-08 20:29:13] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2025-06-08 20:29:13] [INFO ] [Nat]Added 21 Read/Feed constraints in 3 ms returned sat
[2025-06-08 20:29:13] [INFO ] Computed and/alt/rep : 77/224/77 causal constraints (skipped 1 transitions) in 9 ms.
[2025-06-08 20:29:13] [INFO ] Added : 16 causal constraints over 5 iterations in 39 ms. Result :sat
Minimization took 19 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-08 20:29:13] [INFO ] [Real]Absence check using state equation in 15 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-08 20:29:13] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2025-06-08 20:29:13] [INFO ] [Real]Added 21 Read/Feed constraints in 4 ms returned sat
[2025-06-08 20:29:13] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-08 20:29:13] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2025-06-08 20:29:13] [INFO ] [Nat]Added 21 Read/Feed constraints in 3 ms returned sat
[2025-06-08 20:29:13] [INFO ] Computed and/alt/rep : 77/224/77 causal constraints (skipped 1 transitions) in 3 ms.
[2025-06-08 20:29:14] [INFO ] Added : 52 causal constraints over 15 iterations in 101 ms. Result :sat
Minimization took 25 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-08 20:29:14] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2025-06-08 20:29:14] [INFO ] [Real]Added 21 Read/Feed constraints in 3 ms returned sat
[2025-06-08 20:29:14] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-08 20:29:14] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2025-06-08 20:29:14] [INFO ] [Nat]Added 21 Read/Feed constraints in 3 ms returned sat
[2025-06-08 20:29:14] [INFO ] Computed and/alt/rep : 77/224/77 causal constraints (skipped 1 transitions) in 3 ms.
[2025-06-08 20:29:14] [INFO ] Added : 14 causal constraints over 6 iterations in 37 ms. Result :sat
Minimization took 16 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-08 20:29:14] [INFO ] [Real]Absence check using state equation in 14 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-08 20:29:14] [INFO ] [Real]Absence check using state equation in 14 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-08 20:29:14] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2025-06-08 20:29:14] [INFO ] [Real]Added 21 Read/Feed constraints in 3 ms returned sat
[2025-06-08 20:29:14] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-08 20:29:14] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2025-06-08 20:29:14] [INFO ] [Nat]Added 21 Read/Feed constraints in 3 ms returned sat
[2025-06-08 20:29:14] [INFO ] Computed and/alt/rep : 77/224/77 causal constraints (skipped 1 transitions) in 4 ms.
[2025-06-08 20:29:14] [INFO ] Added : 22 causal constraints over 6 iterations in 36 ms. Result :sat
Minimization took 20 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-08 20:29:14] [INFO ] [Real]Absence check using state equation in 14 ms returned sat
[2025-06-08 20:29:14] [INFO ] [Real]Added 21 Read/Feed constraints in 3 ms returned sat
[2025-06-08 20:29:14] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-08 20:29:14] [INFO ] [Nat]Absence check using state equation in 14 ms returned sat
[2025-06-08 20:29:14] [INFO ] [Nat]Added 21 Read/Feed constraints in 4 ms returned sat
[2025-06-08 20:29:14] [INFO ] Computed and/alt/rep : 77/224/77 causal constraints (skipped 1 transitions) in 4 ms.
[2025-06-08 20:29:14] [INFO ] Added : 31 causal constraints over 8 iterations in 46 ms. Result :sat
Minimization took 20 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-08 20:29:14] [INFO ] [Real]Absence check using state equation in 14 ms returned sat
[2025-06-08 20:29:14] [INFO ] [Real]Added 21 Read/Feed constraints in 3 ms returned sat
[2025-06-08 20:29:14] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-08 20:29:14] [INFO ] [Nat]Absence check using state equation in 14 ms returned sat
[2025-06-08 20:29:14] [INFO ] [Nat]Added 21 Read/Feed constraints in 3 ms returned sat
[2025-06-08 20:29:14] [INFO ] Computed and/alt/rep : 77/224/77 causal constraints (skipped 1 transitions) in 3 ms.
[2025-06-08 20:29:14] [INFO ] Added : 56 causal constraints over 18 iterations in 117 ms. Result :sat
Minimization took 34 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-08 20:29:14] [INFO ] [Real]Absence check using state equation in 14 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-08 20:29:14] [INFO ] [Real]Absence check using state equation in 14 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-08 20:29:14] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2025-06-08 20:29:14] [INFO ] [Real]Added 21 Read/Feed constraints in 3 ms returned sat
[2025-06-08 20:29:14] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-08 20:29:14] [INFO ] [Nat]Absence check using state equation in 13 ms returned sat
[2025-06-08 20:29:14] [INFO ] [Nat]Added 21 Read/Feed constraints in 4 ms returned sat
[2025-06-08 20:29:14] [INFO ] Computed and/alt/rep : 77/224/77 causal constraints (skipped 1 transitions) in 3 ms.
[2025-06-08 20:29:15] [INFO ] Added : 47 causal constraints over 13 iterations in 73 ms. Result :sat
Minimization took 23 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-08 20:29:15] [INFO ] [Real]Absence check using state equation in 11 ms returned unsat
Current structural bounds on expressions (after SMT) : Max Seen:[96, 100, 98, 99, 50, 100, 99, 94, 94, 50, 50, 92, 100] Max Struct:[+inf, 100, +inf, +inf, 50, 100, +inf, +inf, +inf, 50, 50, +inf, 100]
FORMULA ZombiesAndSurvivors-PT-Circular32050050-UpperBounds-14 100 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA ZombiesAndSurvivors-PT-Circular32050050-UpperBounds-11 50 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA ZombiesAndSurvivors-PT-Circular32050050-UpperBounds-09 50 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA ZombiesAndSurvivors-PT-Circular32050050-UpperBounds-05 100 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA ZombiesAndSurvivors-PT-Circular32050050-UpperBounds-04 50 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA ZombiesAndSurvivors-PT-Circular32050050-UpperBounds-01 100 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[100, 98, 100, 100, 100, 99, 98] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 7 out of 23 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 23/23 places, 86/86 transitions.
Graph (trivial) has 22 edges and 23 vertex of which 13 / 23 are part of one of the 3 SCC in 1 ms
Free SCC test removed 10 places
Drop transitions (Empty/Sink Transition effects.) removed 22 transitions
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 38 transitions.
Applied a total of 1 rules in 2 ms. Remains 13 /23 variables (removed 10) and now considering 48/86 (removed 38) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 13/23 places, 48/86 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
When looking for a positive semi flow solution, solver replied unsat
// Phase 1: matrix 48 rows 13 cols
[2025-06-08 20:29:15] [INFO ] Computed 0 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[100, 98, 100, 100, 100, 99, 98] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000091 steps (2 resets) in 71 ms. (13890 steps per ms)
BEST_FIRST walk for 7000006 steps (14 resets) in 1027 ms. (6809 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[100, 100, 100, 100, 100, 100, 100] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-08 20:29:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-08 20:29:16] [INFO ] [Real]Absence check using state equation in 9 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-08 20:29:16] [INFO ] [Real]Absence check using state equation in 8 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-08 20:29:16] [INFO ] [Real]Absence check using state equation in 7 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-08 20:29:16] [INFO ] [Real]Absence check using state equation in 8 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-08 20:29:16] [INFO ] [Real]Absence check using state equation in 6 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-08 20:29:16] [INFO ] [Real]Absence check using state equation in 9 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-08 20:29:16] [INFO ] [Real]Absence check using state equation in 8 ms returned unsat
Current structural bounds on expressions (after SMT) : Max Seen:[100, 100, 100, 100, 100, 100, 100] Max Struct:[100, 100, 100, 100, 100, 100, 100]
FORMULA ZombiesAndSurvivors-PT-Circular32050050-UpperBounds-13 100 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA ZombiesAndSurvivors-PT-Circular32050050-UpperBounds-08 100 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA ZombiesAndSurvivors-PT-Circular32050050-UpperBounds-07 100 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA ZombiesAndSurvivors-PT-Circular32050050-UpperBounds-06 100 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA ZombiesAndSurvivors-PT-Circular32050050-UpperBounds-03 100 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA ZombiesAndSurvivors-PT-Circular32050050-UpperBounds-02 100 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA ZombiesAndSurvivors-PT-Circular32050050-UpperBounds-00 100 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[] Max Struct:[]
RANDOM walk for 0 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/0 properties
Finished probabilistic random walk after 0 steps, run visited all 0 properties in 0 ms. (steps per millisecond=0 )
[2025-06-08 20:29:16] [INFO ] Flatten gal took : 20 ms
[2025-06-08 20:29:16] [INFO ] Flatten gal took : 5 ms
[2025-06-08 20:29:16] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3708792788842136181.gal : 4 ms
[2025-06-08 20:29:16] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2642243302052761386.prop : 0 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/ReachabilityCardinality3708792788842136181.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2642243302052761386.prop' '--nowitness' '--gen-order' 'FOLLOW'
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:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 19754 ms.
BK_STOP 1749414556986
--------------------
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="ZombiesAndSurvivors-PT-Circular32050050"
export BK_EXAMINATION="UpperBounds"
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 2-5832"
echo " Executing tool itstools"
echo " Input is ZombiesAndSurvivors-PT-Circular32050050, 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 r254-tall-174931340100549"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/ZombiesAndSurvivors-PT-Circular32050050.tgz
mv ZombiesAndSurvivors-PT-Circular32050050 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 '
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 ;