Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r128-smll-174876523800013.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 Medical-PT-04, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r128-smll-174876523800013
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 3.6M
-rw-r--r-- 1 mcc users 6.4K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 60K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.5K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 50K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 133K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 13K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 113K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 3 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 3.1M May 29 14:32 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 Medical-PT-04-UpperBounds-00
FORMULA_NAME Medical-PT-04-UpperBounds-01
FORMULA_NAME Medical-PT-04-UpperBounds-02
FORMULA_NAME Medical-PT-04-UpperBounds-03
FORMULA_NAME Medical-PT-04-UpperBounds-04
FORMULA_NAME Medical-PT-04-UpperBounds-05
FORMULA_NAME Medical-PT-04-UpperBounds-06
FORMULA_NAME Medical-PT-04-UpperBounds-07
FORMULA_NAME Medical-PT-04-UpperBounds-08
FORMULA_NAME Medical-PT-04-UpperBounds-09
FORMULA_NAME Medical-PT-04-UpperBounds-10
FORMULA_NAME Medical-PT-04-UpperBounds-11
FORMULA_NAME Medical-PT-04-UpperBounds-12
FORMULA_NAME Medical-PT-04-UpperBounds-13
FORMULA_NAME Medical-PT-04-UpperBounds-14
FORMULA_NAME Medical-PT-04-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1748778345759

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Medical-PT-04
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2025-06-01 11:45:47] [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]
[2025-06-01 11:45:47] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-01 11:45:48] [INFO ] Load time of PNML (sax parser for PT used): 649 ms
[2025-06-01 11:45:48] [INFO ] Transformed 312 places.
[2025-06-01 11:45:48] [INFO ] Transformed 5431 transitions.
[2025-06-01 11:45:48] [INFO ] Parsed PT model containing 312 places and 5431 transitions and 28790 arcs in 867 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 11 ms.
Deduced a syphon composed of 242 places in 54 ms
Reduce places removed 242 places and 5204 transitions.
Reduce places removed 1 places and 0 transitions.
FORMULA Medical-PT-04-UpperBounds-02 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-04-UpperBounds-03 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-04-UpperBounds-04 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-04-UpperBounds-05 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-04-UpperBounds-07 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-04-UpperBounds-08 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-04-UpperBounds-09 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-04-UpperBounds-10 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-04-UpperBounds-11 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-04-UpperBounds-12 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-04-UpperBounds-13 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-04-UpperBounds-14 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-04-UpperBounds-15 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0] Max Struct:[+inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0] Max Struct:[+inf, +inf, +inf]
[2025-06-01 11:45:48] [INFO ] Flow matrix only has 182 transitions (discarded 45 similar events)
// Phase 1: matrix 182 rows 69 cols
[2025-06-01 11:45:48] [INFO ] Computed 10 invariants in 15 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0] Max Struct:[+inf, +inf, 1]
RANDOM walk for 10000 steps (78 resets) in 56 ms. (175 steps per ms)
FORMULA Medical-PT-04-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 20002 steps (24 resets) in 50 ms. (392 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[22, 0] Max Struct:[+inf, +inf]
[2025-06-01 11:45:49] [INFO ] Flow matrix only has 182 transitions (discarded 45 similar events)
[2025-06-01 11:45:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 11:45:49] [INFO ] [Real]Absence check using 10 positive place invariants in 11 ms returned sat
[2025-06-01 11:45:49] [INFO ] [Real]Absence check using state equation in 138 ms returned sat
[2025-06-01 11:45:49] [INFO ] State equation strengthened by 56 read => feed constraints.
[2025-06-01 11:45:49] [INFO ] [Real]Added 56 Read/Feed constraints in 29 ms returned sat
[2025-06-01 11:45:49] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 11:45:49] [INFO ] [Nat]Absence check using 10 positive place invariants in 9 ms returned sat
[2025-06-01 11:45:49] [INFO ] [Nat]Absence check using state equation in 128 ms returned sat
[2025-06-01 11:45:49] [INFO ] [Nat]Added 56 Read/Feed constraints in 28 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 11:45:49] [INFO ] Deduced a trap composed of 4 places in 135 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 11:45:50] [INFO ] Deduced a trap composed of 6 places in 102 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 11:45:50] [INFO ] Deduced a trap composed of 11 places in 90 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 11:45:50] [INFO ] Deduced a trap composed of 5 places in 107 ms of which 6 ms to minimize.
[2025-06-01 11:45:50] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 559 ms
[2025-06-01 11:45:50] [INFO ] Computed and/alt/rep : 122/716/121 causal constraints (skipped 56 transitions) in 40 ms.
[2025-06-01 11:45:50] [INFO ] Added : 43 causal constraints over 9 iterations in 321 ms. Result :sat
Minimization took 103 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 11:45:50] [INFO ] [Real]Absence check using 10 positive place invariants in 6 ms returned sat
[2025-06-01 11:45:50] [INFO ] [Real]Absence check using state equation in 90 ms returned sat
[2025-06-01 11:45:50] [INFO ] [Real]Added 56 Read/Feed constraints in 24 ms returned sat
[2025-06-01 11:45:50] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 11:45:51] [INFO ] [Nat]Absence check using 10 positive place invariants in 6 ms returned sat
[2025-06-01 11:45:51] [INFO ] [Nat]Absence check using state equation in 108 ms returned sat
[2025-06-01 11:45:51] [INFO ] [Nat]Added 56 Read/Feed constraints in 26 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 11:45:51] [INFO ] Deduced a trap composed of 4 places in 152 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 11:45:51] [INFO ] Deduced a trap composed of 5 places in 102 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 11:45:51] [INFO ] Deduced a trap composed of 26 places in 104 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 11:45:51] [INFO ] Deduced a trap composed of 30 places in 137 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 11:45:51] [INFO ] Deduced a trap composed of 4 places in 128 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 11:45:52] [INFO ] Deduced a trap composed of 30 places in 144 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 11:45:52] [INFO ] Deduced a trap composed of 5 places in 130 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 11:45:52] [INFO ] Deduced a trap composed of 31 places in 130 ms of which 7 ms to minimize.
[2025-06-01 11:45:52] [INFO ] Trap strengthening (SAT) tested/added 9/8 trap constraints in 1152 ms
[2025-06-01 11:45:52] [INFO ] Computed and/alt/rep : 122/716/121 causal constraints (skipped 56 transitions) in 37 ms.
[2025-06-01 11:45:52] [INFO ] Added : 59 causal constraints over 13 iterations in 267 ms. Result :sat
Minimization took 80 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[22, 0] Max Struct:[+inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[35, 0] Max Struct:[+inf, +inf]
Support contains 2 out of 69 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 69/69 places, 227/227 transitions.
Graph (complete) has 347 edges and 69 vertex of which 67 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.2 ms
Discarding 2 places :
Also discarding 0 output transitions
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 3 Pre rules applied. Total rules applied 1 place count 67 transition count 224
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 7 place count 64 transition count 224
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 9 place count 63 transition count 224
Free-agglomeration rule applied 2 times.
Iterating global reduction 0 with 2 rules applied. Total rules applied 11 place count 63 transition count 222
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 13 place count 61 transition count 222
Applied a total of 13 rules in 65 ms. Remains 61 /69 variables (removed 8) and now considering 222/227 (removed 5) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 76 ms. Remains : 61/69 places, 222/227 transitions.
[2025-06-01 11:45:52] [INFO ] Flow matrix only has 176 transitions (discarded 46 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {1=1, 151=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {3=1, 151=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 49 ms. (steps per millisecond=204 ) properties (out of 2) seen :[2147483647, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[+inf, 0] Max Struct:[+inf, +inf]
[2025-06-01 11:45:53] [INFO ] Flow matrix only has 176 transitions (discarded 46 similar events)
// Phase 1: matrix 176 rows 61 cols
[2025-06-01 11:45:53] [INFO ] Computed 8 invariants in 10 ms
Current structural bounds on expressions (after invariants) : Max Seen:[+inf, 0] Max Struct:[+inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 913 ms. (1094 steps per ms)
FORMULA Medical-PT-04-UpperBounds-00 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 1000000 steps (2 resets) in 700 ms. (1426 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 11:45:54] [INFO ] Flow matrix only has 176 transitions (discarded 46 similar events)
[2025-06-01 11:45:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 11:45:54] [INFO ] [Real]Absence check using 8 positive place invariants in 5 ms returned sat
[2025-06-01 11:45:54] [INFO ] [Real]Absence check using state equation in 94 ms returned sat
[2025-06-01 11:45:54] [INFO ] State equation strengthened by 57 read => feed constraints.
[2025-06-01 11:45:54] [INFO ] [Real]Added 57 Read/Feed constraints in 18 ms returned sat
[2025-06-01 11:45:54] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 11:45:55] [INFO ] [Nat]Absence check using 8 positive place invariants in 4 ms returned sat
[2025-06-01 11:45:55] [INFO ] [Nat]Absence check using state equation in 71 ms returned sat
[2025-06-01 11:45:55] [INFO ] [Nat]Added 57 Read/Feed constraints in 23 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 11:45:55] [INFO ] Deduced a trap composed of 13 places in 72 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 11:45:55] [INFO ] Deduced a trap composed of 30 places in 76 ms of which 5 ms to minimize.
[2025-06-01 11:45:55] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 178 ms
[2025-06-01 11:45:55] [INFO ] Computed and/alt/rep : 119/604/118 causal constraints (skipped 57 transitions) in 23 ms.
[2025-06-01 11:45:55] [INFO ] Added : 19 causal constraints over 4 iterations in 110 ms. Result :sat
Minimization took 46 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[+inf]
Support contains 1 out of 61 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 61/61 places, 222/222 transitions.
Applied a total of 0 rules in 13 ms. Remains 61 /61 variables (removed 0) and now considering 222/222 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 61/61 places, 222/222 transitions.
[2025-06-01 11:45:55] [INFO ] Flow matrix only has 176 transitions (discarded 46 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {1=1, 151=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {3=1, 151=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 104 ms. (steps per millisecond=96 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 11:45:55] [INFO ] Flow matrix only has 176 transitions (discarded 46 similar events)
[2025-06-01 11:45:55] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 757 ms. (1319 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 653 ms. (1529 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 11:45:57] [INFO ] Flow matrix only has 176 transitions (discarded 46 similar events)
[2025-06-01 11:45:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 11:45:57] [INFO ] [Real]Absence check using 8 positive place invariants in 4 ms returned sat
[2025-06-01 11:45:57] [INFO ] [Real]Absence check using state equation in 52 ms returned sat
[2025-06-01 11:45:57] [INFO ] State equation strengthened by 57 read => feed constraints.
[2025-06-01 11:45:57] [INFO ] [Real]Added 57 Read/Feed constraints in 14 ms returned sat
[2025-06-01 11:45:57] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 11:45:57] [INFO ] [Nat]Absence check using 8 positive place invariants in 4 ms returned sat
[2025-06-01 11:45:57] [INFO ] [Nat]Absence check using state equation in 52 ms returned sat
[2025-06-01 11:45:57] [INFO ] [Nat]Added 57 Read/Feed constraints in 14 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 11:45:57] [INFO ] Deduced a trap composed of 13 places in 69 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 11:45:57] [INFO ] Deduced a trap composed of 30 places in 87 ms of which 5 ms to minimize.
[2025-06-01 11:45:57] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 188 ms
[2025-06-01 11:45:57] [INFO ] Computed and/alt/rep : 119/604/118 causal constraints (skipped 57 transitions) in 31 ms.
[2025-06-01 11:45:57] [INFO ] Added : 19 causal constraints over 4 iterations in 128 ms. Result :sat
Minimization took 46 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[+inf]
Support contains 1 out of 61 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 61/61 places, 222/222 transitions.
Applied a total of 0 rules in 17 ms. Remains 61 /61 variables (removed 0) and now considering 222/222 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17 ms. Remains : 61/61 places, 222/222 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 61/61 places, 222/222 transitions.
Applied a total of 0 rules in 16 ms. Remains 61 /61 variables (removed 0) and now considering 222/222 (removed 0) transitions.
[2025-06-01 11:45:57] [INFO ] Flow matrix only has 176 transitions (discarded 46 similar events)
[2025-06-01 11:45:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 11:45:57] [INFO ] Implicit Places using invariants in 115 ms returned []
[2025-06-01 11:45:57] [INFO ] Flow matrix only has 176 transitions (discarded 46 similar events)
[2025-06-01 11:45:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 11:45:57] [INFO ] State equation strengthened by 57 read => feed constraints.
[2025-06-01 11:45:58] [INFO ] Implicit Places using invariants and state equation in 226 ms returned []
Implicit Place search using SMT with State Equation took 349 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 11:45:58] [INFO ] Redundant transitions in 10 ms returned []
Running 221 sub problems to find dead transitions.
[2025-06-01 11:45:58] [INFO ] Flow matrix only has 176 transitions (discarded 46 similar events)
[2025-06-01 11:45:58] [INFO ] Invariant cache hit.
[2025-06-01 11:45:58] [INFO ] State equation strengthened by 57 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/61 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 221 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 11:45:59] [INFO ] Deduced a trap composed of 5 places in 65 ms of which 5 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/61 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 221 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/61 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 221 unsolved
At refinement iteration 3 (OVERLAPS) 176/237 variables, 61/70 constraints. Problems are: Problem set: 0 solved, 221 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/237 variables, 57/127 constraints. Problems are: Problem set: 0 solved, 221 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/237 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 221 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/237 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 221 unsolved
No progress, stopping.
After SMT solving in domain Real declared 237/237 variables, and 127 constraints, problems are : Problem set: 0 solved, 221 unsolved in 7649 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 61/61 constraints, ReadFeed: 57/57 constraints, PredecessorRefiner: 221/221 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 221 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/61 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 221 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/61 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 221 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/61 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 221 unsolved
At refinement iteration 3 (OVERLAPS) 176/237 variables, 61/70 constraints. Problems are: Problem set: 0 solved, 221 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/237 variables, 57/127 constraints. Problems are: Problem set: 0 solved, 221 unsolved
Problem TDEAD0 is UNSAT
Problem TDEAD7 is UNSAT
Problem TDEAD11 is UNSAT
Problem TDEAD12 is UNSAT
Problem TDEAD13 is UNSAT
Problem TDEAD14 is UNSAT
Problem TDEAD16 is UNSAT
Problem TDEAD21 is UNSAT
Problem TDEAD22 is UNSAT
Problem TDEAD23 is UNSAT
Problem TDEAD24 is UNSAT
Problem TDEAD25 is UNSAT
Problem TDEAD28 is UNSAT
Problem TDEAD29 is UNSAT
Problem TDEAD30 is UNSAT
Problem TDEAD31 is UNSAT
Problem TDEAD32 is UNSAT
Problem TDEAD35 is UNSAT
Problem TDEAD36 is UNSAT
Problem TDEAD37 is UNSAT
Problem TDEAD38 is UNSAT
Problem TDEAD39 is UNSAT
Problem TDEAD42 is UNSAT
Problem TDEAD43 is UNSAT
Problem TDEAD44 is UNSAT
Problem TDEAD45 is UNSAT
Problem TDEAD46 is UNSAT
Problem TDEAD49 is UNSAT
Problem TDEAD50 is UNSAT
Problem TDEAD51 is UNSAT
Problem TDEAD52 is UNSAT
Problem TDEAD53 is UNSAT
Problem TDEAD56 is UNSAT
Problem TDEAD57 is UNSAT
Problem TDEAD58 is UNSAT
Problem TDEAD59 is UNSAT
Problem TDEAD60 is UNSAT
Problem TDEAD63 is UNSAT
Problem TDEAD68 is UNSAT
Problem TDEAD73 is UNSAT
Problem TDEAD78 is UNSAT
Problem TDEAD83 is UNSAT
Problem TDEAD88 is UNSAT
At refinement iteration 5 (INCLUDED_ONLY) 0/237 variables, 221/348 constraints. Problems are: Problem set: 43 solved, 178 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 11:46:08] [INFO ] Deduced a trap composed of 7 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 11:46:08] [INFO ] Deduced a trap composed of 13 places in 48 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 11:46:08] [INFO ] Deduced a trap composed of 8 places in 40 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 11:46:09] [INFO ] Deduced a trap composed of 5 places in 44 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 11:46:09] [INFO ] Deduced a trap composed of 9 places in 47 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 11:46:09] [INFO ] Deduced a trap composed of 10 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 11:46:09] [INFO ] Deduced a trap composed of 6 places in 41 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/237 variables, 7/355 constraints. Problems are: Problem set: 43 solved, 178 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 11:46:11] [INFO ] Deduced a trap composed of 15 places in 66 ms of which 4 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/237 variables, 1/356 constraints. Problems are: Problem set: 43 solved, 178 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 11:46:13] [INFO ] Deduced a trap along path composed of 6 places in 50 ms of which 5 ms to minimize.
Problem TDEAD64 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 11:46:13] [INFO ] Deduced a trap along path composed of 3 places in 21 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 11:46:14] [INFO ] Deduced a trap along path composed of 4 places in 19 ms of which 1 ms to minimize.
Problem TDEAD89 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 11:46:14] [INFO ] Deduced a trap along path composed of 4 places in 20 ms of which 1 ms to minimize.
Problem TDEAD112 is UNSAT
Problem TDEAD113 is UNSAT
Problem TDEAD120 is UNSAT
Problem TDEAD141 is UNSAT
Problem TDEAD148 is UNSAT
At refinement iteration 8 (INCLUDED_ONLY) 0/237 variables, 4/360 constraints. Problems are: Problem set: 50 solved, 171 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 11:46:18] [INFO ] Deduced a trap composed of 15 places in 100 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 11:46:19] [INFO ] Deduced a trap composed of 10 places in 66 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/237 variables, 2/362 constraints. Problems are: Problem set: 50 solved, 171 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/237 variables, 0/362 constraints. Problems are: Problem set: 50 solved, 171 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 11:46:29] [INFO ] Deduced a trap composed of 2 places in 99 ms of which 4 ms to minimize.
At refinement iteration 11 (OVERLAPS) 0/237 variables, 1/363 constraints. Problems are: Problem set: 50 solved, 171 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 11:46:34] [INFO ] Deduced a trap along path composed of 4 places in 27 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 237/237 variables, and 364 constraints, problems are : Problem set: 50 solved, 171 unsolved in 30031 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 61/61 constraints, ReadFeed: 57/57 constraints, PredecessorRefiner: 221/221 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 5/5 constraints]
After SMT, in 37925ms problems are : Problem set: 50 solved, 171 unsolved
Search for dead transitions found 50 dead transitions in 37938ms
Found 50 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 50 transitions
Dead transitions reduction (with SMT) removed 50 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 61/61 places, 172/222 transitions.
Reduce places removed 10 places and 60 transitions.
Graph (complete) has 193 edges and 51 vertex of which 1 are kept as prefixes of interest. Removing 50 places using SCC suffix rule.0 ms
Discarding 50 places :
Also discarding 112 output transitions
Drop transitions (Output transitions of discarded places.) removed 112 transitions
Iterating post reduction 0 with 11 rules applied. Total rules applied 11 place count 1 transition count 0
Deduced a syphon composed of 1 places in 0 ms
Applied a total of 11 rules in 4 ms. Remains 1 /61 variables (removed 60) and now considering 0/172 (removed 172) transitions.
[2025-06-01 11:46:36] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 11:46:36] [INFO ] Implicit Places using invariants in 24 ms returned []
[2025-06-01 11:46:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 11:46:36] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 53 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 1/61 places, 0/222 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 38399 ms. Remains : 1/61 places, 0/222 transitions.
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
FORMULA Medical-PT-04-UpperBounds-01 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
All properties solved without resorting to model-checking.
Total runtime 48342 ms.

BK_STOP 1748778396181

--------------------
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="Medical-PT-04"
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 Medical-PT-04, 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 r128-smll-174876523800013"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Medical-PT-04.tgz
mv Medical-PT-04 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 ;