About the Execution of ITS-Tools for DBSingleClientW-PT-d2m05
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 0.000 | 265434.00 | 0.00 | 0.00 | 0 0 0 1 0 0 1 0 0 0 1 0 0 3 1 0 | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r058-smll-174854063600125.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 DBSingleClientW-PT-d2m05, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r058-smll-174854063600125
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.0M
-rw-r--r-- 1 mcc users 7.8K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 85K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.1K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 56K 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 30K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 106K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.6K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 61K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K 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 6 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 1.6M 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 DBSingleClientW-PT-d2m05-UpperBounds-00
FORMULA_NAME DBSingleClientW-PT-d2m05-UpperBounds-01
FORMULA_NAME DBSingleClientW-PT-d2m05-UpperBounds-02
FORMULA_NAME DBSingleClientW-PT-d2m05-UpperBounds-03
FORMULA_NAME DBSingleClientW-PT-d2m05-UpperBounds-04
FORMULA_NAME DBSingleClientW-PT-d2m05-UpperBounds-05
FORMULA_NAME DBSingleClientW-PT-d2m05-UpperBounds-06
FORMULA_NAME DBSingleClientW-PT-d2m05-UpperBounds-07
FORMULA_NAME DBSingleClientW-PT-d2m05-UpperBounds-08
FORMULA_NAME DBSingleClientW-PT-d2m05-UpperBounds-09
FORMULA_NAME DBSingleClientW-PT-d2m05-UpperBounds-10
FORMULA_NAME DBSingleClientW-PT-d2m05-UpperBounds-11
FORMULA_NAME DBSingleClientW-PT-d2m05-UpperBounds-12
FORMULA_NAME DBSingleClientW-PT-d2m05-UpperBounds-13
FORMULA_NAME DBSingleClientW-PT-d2m05-UpperBounds-14
FORMULA_NAME DBSingleClientW-PT-d2m05-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1748607153282
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DBSingleClientW-PT-d2m05
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2025-05-30 12:12:35] [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]
[2025-05-30 12:12:35] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-30 12:12:36] [INFO ] Load time of PNML (sax parser for PT used): 583 ms
[2025-05-30 12:12:36] [INFO ] Transformed 4763 places.
[2025-05-30 12:12:36] [INFO ] Transformed 2478 transitions.
[2025-05-30 12:12:36] [INFO ] Parsed PT model containing 4763 places and 2478 transitions and 9912 arcs in 827 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 17 ms.
Deduced a syphon composed of 3580 places in 33 ms
Reduce places removed 3580 places and 0 transitions.
FORMULA DBSingleClientW-PT-d2m05-UpperBounds-00 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m05-UpperBounds-01 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m05-UpperBounds-02 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m05-UpperBounds-04 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m05-UpperBounds-05 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m05-UpperBounds-07 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m05-UpperBounds-08 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m05-UpperBounds-09 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m05-UpperBounds-11 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m05-UpperBounds-12 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m05-UpperBounds-15 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf]
// Phase 1: matrix 2478 rows 1183 cols
[2025-05-30 12:12:36] [INFO ] Computed 6 invariants in 272 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0] Max Struct:[5, 7, 7, 5, 7]
RANDOM walk for 10000 steps (2304 resets) in 702 ms. (14 steps per ms)
BEST_FIRST walk for 50003 steps (4717 resets) in 585 ms. (85 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 1, 0, 2, 0] Max Struct:[5, 7, 7, 5, 7]
[2025-05-30 12:12:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 12:12:38] [INFO ] [Real]Absence check using 2 positive place invariants in 24 ms returned sat
[2025-05-30 12:12:38] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 17 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 12:12:39] [INFO ] [Real]Absence check using 2 positive place invariants in 27 ms returned sat
[2025-05-30 12:12:39] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 19 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 12:12:39] [INFO ] [Real]Absence check using 2 positive place invariants in 29 ms returned sat
[2025-05-30 12:12:39] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 20 ms returned sat
[2025-05-30 12:12:41] [INFO ] [Real]Absence check using state equation in 1393 ms returned sat
[2025-05-30 12:12:41] [INFO ] State equation strengthened by 1588 read => feed constraints.
[2025-05-30 12:12:42] [INFO ] [Real]Added 1588 Read/Feed constraints in 1207 ms returned sat
[2025-05-30 12:12:43] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 12:12:43] [INFO ] [Nat]Absence check using 2 positive place invariants in 30 ms returned sat
[2025-05-30 12:12:43] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 18 ms returned sat
[2025-05-30 12:12:44] [INFO ] [Nat]Absence check using state equation in 1315 ms returned sat
[2025-05-30 12:12:46] [INFO ] SMT solver returned unknown. Retrying;
[2025-05-30 12:12:47] [INFO ] [Nat]Added 1588 Read/Feed constraints in 2353 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 12:12:47] [INFO ] [Real]Absence check using 2 positive place invariants in 16 ms returned sat
[2025-05-30 12:12:47] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 19 ms returned sat
[2025-05-30 12:12:48] [INFO ] [Real]Absence check using state equation in 1230 ms returned sat
[2025-05-30 12:12:50] [INFO ] SMT solver returned unknown. Retrying;
[2025-05-30 12:12:50] [INFO ] [Real]Added 1588 Read/Feed constraints in 2091 ms returned sat
[2025-05-30 12:12:50] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 12:12:51] [INFO ] [Nat]Absence check using 2 positive place invariants in 16 ms returned sat
[2025-05-30 12:12:51] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 12 ms returned sat
[2025-05-30 12:12:52] [INFO ] [Nat]Absence check using state equation in 1177 ms returned sat
[2025-05-30 12:12:53] [INFO ] [Nat]Added 1588 Read/Feed constraints in 1353 ms returned sat
[2025-05-30 12:12:55] [INFO ] Computed and/alt/rep : 372/636/372 causal constraints (skipped 2105 transitions) in 1699 ms.
Maximisation of solution failed !
Minimization took 1 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 12:12:56] [INFO ] [Real]Absence check using 2 positive place invariants in 15 ms returned sat
[2025-05-30 12:12:56] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 11 ms returned sat
[2025-05-30 12:12:57] [INFO ] [Real]Absence check using state equation in 1032 ms returned sat
[2025-05-30 12:12:58] [INFO ] [Real]Added 1588 Read/Feed constraints in 1204 ms returned sat
[2025-05-30 12:12:58] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 12:12:58] [INFO ] [Nat]Absence check using 2 positive place invariants in 16 ms returned sat
[2025-05-30 12:12:58] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 11 ms returned sat
[2025-05-30 12:13:00] [INFO ] [Nat]Absence check using state equation in 1063 ms returned sat
[2025-05-30 12:13:01] [INFO ] SMT solver returned unknown. Retrying;
[2025-05-30 12:13:01] [INFO ] [Nat]Added 1588 Read/Feed constraints in 1635 ms returned sat
[2025-05-30 12:13:02] [INFO ] Computed and/alt/rep : 372/636/372 causal constraints (skipped 2105 transitions) in 1175 ms.
Maximisation of solution failed !
Minimization took 0 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1, 1, 0, 2, 0] Max Struct:[1, 1, 7, 5, 7]
FORMULA DBSingleClientW-PT-d2m05-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA DBSingleClientW-PT-d2m05-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 2, 0] Max Struct:[7, 5, 7]
Support contains 3 out of 1183 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1183/1183 places, 2478/2478 transitions.
Graph (complete) has 4476 edges and 1183 vertex of which 1136 are kept as prefixes of interest. Removing 47 places using SCC suffix rule.12 ms
Discarding 47 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 18 transitions
Ensure Unique test removed 199 transitions
Reduce isomorphic transitions removed 217 transitions.
Iterating post reduction 0 with 217 rules applied. Total rules applied 218 place count 1136 transition count 2261
Discarding 390 places :
Symmetric choice reduction at 1 with 390 rule applications. Total rules 608 place count 746 transition count 1201
Iterating global reduction 1 with 390 rules applied. Total rules applied 998 place count 746 transition count 1201
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 1 with 9 rules applied. Total rules applied 1007 place count 746 transition count 1192
Discarding 315 places :
Symmetric choice reduction at 2 with 315 rule applications. Total rules 1322 place count 431 transition count 877
Iterating global reduction 2 with 315 rules applied. Total rules applied 1637 place count 431 transition count 877
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 2 with 12 rules applied. Total rules applied 1649 place count 431 transition count 865
Discarding 240 places :
Symmetric choice reduction at 3 with 240 rule applications. Total rules 1889 place count 191 transition count 524
Iterating global reduction 3 with 240 rules applied. Total rules applied 2129 place count 191 transition count 524
Ensure Unique test removed 211 transitions
Reduce isomorphic transitions removed 211 transitions.
Iterating post reduction 3 with 211 rules applied. Total rules applied 2340 place count 191 transition count 313
Discarding 25 places :
Symmetric choice reduction at 4 with 25 rule applications. Total rules 2365 place count 166 transition count 273
Iterating global reduction 4 with 25 rules applied. Total rules applied 2390 place count 166 transition count 273
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 4 with 6 rules applied. Total rules applied 2396 place count 166 transition count 267
Discarding 17 places :
Symmetric choice reduction at 5 with 17 rule applications. Total rules 2413 place count 149 transition count 250
Iterating global reduction 5 with 17 rules applied. Total rules applied 2430 place count 149 transition count 250
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 5 with 4 rules applied. Total rules applied 2434 place count 149 transition count 246
Discarding 14 places :
Symmetric choice reduction at 6 with 14 rule applications. Total rules 2448 place count 135 transition count 232
Iterating global reduction 6 with 14 rules applied. Total rules applied 2462 place count 135 transition count 232
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 6 with 13 rules applied. Total rules applied 2475 place count 135 transition count 219
Discarding 6 places :
Symmetric choice reduction at 7 with 6 rule applications. Total rules 2481 place count 129 transition count 190
Iterating global reduction 7 with 6 rules applied. Total rules applied 2487 place count 129 transition count 190
Applied a total of 2487 rules in 353 ms. Remains 129 /1183 variables (removed 1054) and now considering 190/2478 (removed 2288) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 366 ms. Remains : 129/1183 places, 190/2478 transitions.
// Phase 1: matrix 190 rows 129 cols
[2025-05-30 12:13:04] [INFO ] Computed 2 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 2, 0] Max Struct:[7, 5, 7]
RANDOM walk for 1000000 steps (229950 resets) in 2137 ms. (467 steps per ms)
BEST_FIRST walk for 3000002 steps (287845 resets) in 3814 ms. (786 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 3, 0] Max Struct:[7, 5, 7]
[2025-05-30 12:13:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 12:13:10] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2025-05-30 12:13:10] [INFO ] [Real]Absence check using state equation in 74 ms returned sat
[2025-05-30 12:13:10] [INFO ] State equation strengthened by 66 read => feed constraints.
[2025-05-30 12:13:10] [INFO ] [Real]Added 66 Read/Feed constraints in 41 ms returned sat
[2025-05-30 12:13:10] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 12:13:10] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2025-05-30 12:13:10] [INFO ] [Nat]Absence check using state equation in 98 ms returned sat
[2025-05-30 12:13:10] [INFO ] [Nat]Added 66 Read/Feed constraints in 45 ms returned sat
[2025-05-30 12:13:10] [INFO ] Computed and/alt/rep : 51/121/51 causal constraints (skipped 138 transitions) in 27 ms.
[2025-05-30 12:13:10] [INFO ] Added : 17 causal constraints over 4 iterations in 173 ms. Result :sat
Minimization took 149 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 12:13:10] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2025-05-30 12:13:10] [INFO ] [Real]Absence check using state equation in 89 ms returned sat
[2025-05-30 12:13:11] [INFO ] [Real]Added 66 Read/Feed constraints in 19 ms returned sat
[2025-05-30 12:13:11] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 12:13:11] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2025-05-30 12:13:11] [INFO ] [Nat]Absence check using state equation in 67 ms returned sat
[2025-05-30 12:13:11] [INFO ] [Nat]Added 66 Read/Feed constraints in 19 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 12:13:11] [INFO ] Deduced a trap composed of 13 places in 166 ms of which 9 ms to minimize.
[2025-05-30 12:13:11] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 197 ms
[2025-05-30 12:13:11] [INFO ] Computed and/alt/rep : 51/121/51 causal constraints (skipped 138 transitions) in 25 ms.
[2025-05-30 12:13:11] [INFO ] Added : 1 causal constraints over 1 iterations in 69 ms. Result :sat
Minimization took 120 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 12:13:11] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 4 ms returned sat
[2025-05-30 12:13:11] [INFO ] [Real]Absence check using state equation in 113 ms returned sat
[2025-05-30 12:13:11] [INFO ] [Real]Added 66 Read/Feed constraints in 30 ms returned sat
[2025-05-30 12:13:11] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 12:13:11] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 4 ms returned sat
[2025-05-30 12:13:11] [INFO ] [Nat]Absence check using state equation in 117 ms returned sat
[2025-05-30 12:13:11] [INFO ] [Nat]Added 66 Read/Feed constraints in 35 ms returned sat
[2025-05-30 12:13:12] [INFO ] Computed and/alt/rep : 51/121/51 causal constraints (skipped 138 transitions) in 35 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 12:13:12] [INFO ] Deduced a trap composed of 13 places in 154 ms of which 16 ms to minimize.
[2025-05-30 12:13:12] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 280 ms
[2025-05-30 12:13:12] [INFO ] Added : 18 causal constraints over 4 iterations in 515 ms. Result :sat
Minimization took 146 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 3, 0] Max Struct:[7, 5, 7]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 3, 0] Max Struct:[7, 5, 7]
Support contains 3 out of 129 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 129/129 places, 190/190 transitions.
Applied a total of 0 rules in 24 ms. Remains 129 /129 variables (removed 0) and now considering 190/190 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24 ms. Remains : 129/129 places, 190/190 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 129/129 places, 190/190 transitions.
Applied a total of 0 rules in 14 ms. Remains 129 /129 variables (removed 0) and now considering 190/190 (removed 0) transitions.
[2025-05-30 12:13:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 12:13:13] [INFO ] Implicit Places using invariants in 182 ms returned []
[2025-05-30 12:13:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 12:13:13] [INFO ] State equation strengthened by 66 read => feed constraints.
[2025-05-30 12:13:13] [INFO ] Implicit Places using invariants and state equation in 870 ms returned []
Implicit Place search using SMT with State Equation took 1054 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-30 12:13:14] [INFO ] Redundant transitions in 13 ms returned []
Running 189 sub problems to find dead transitions.
[2025-05-30 12:13:14] [INFO ] Invariant cache hit.
[2025-05-30 12:13:14] [INFO ] State equation strengthened by 66 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/128 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/128 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 2 (OVERLAPS) 1/129 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/129 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 4 (OVERLAPS) 190/319 variables, 129/131 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/319 variables, 66/197 constraints. Problems are: Problem set: 0 solved, 189 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/319 variables, 0/197 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 7 (OVERLAPS) 0/319 variables, 0/197 constraints. Problems are: Problem set: 0 solved, 189 unsolved
No progress, stopping.
After SMT solving in domain Real declared 319/319 variables, and 197 constraints, problems are : Problem set: 0 solved, 189 unsolved in 18813 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 129/129 constraints, ReadFeed: 66/66 constraints, PredecessorRefiner: 189/189 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 189 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/128 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/128 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 2 (OVERLAPS) 1/129 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/129 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 4 (OVERLAPS) 190/319 variables, 129/131 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/319 variables, 66/197 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/319 variables, 189/386 constraints. Problems are: Problem set: 0 solved, 189 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 319/319 variables, and 386 constraints, problems are : Problem set: 0 solved, 189 unsolved in 30024 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 129/129 constraints, ReadFeed: 66/66 constraints, PredecessorRefiner: 189/189 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 49353ms problems are : Problem set: 0 solved, 189 unsolved
Search for dead transitions found 0 dead transitions in 49369ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 50473 ms. Remains : 129/129 places, 190/190 transitions.
[2025-05-30 12:14:03] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 3, 0] Max Struct:[7, 5, 7]
RANDOM walk for 1000000 steps (229744 resets) in 2516 ms. (397 steps per ms)
BEST_FIRST walk for 3000001 steps (287152 resets) in 3084 ms. (972 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 3, 0] Max Struct:[7, 5, 7]
[2025-05-30 12:14:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 12:14:09] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2025-05-30 12:14:09] [INFO ] [Real]Absence check using state equation in 73 ms returned sat
[2025-05-30 12:14:09] [INFO ] State equation strengthened by 66 read => feed constraints.
[2025-05-30 12:14:09] [INFO ] [Real]Added 66 Read/Feed constraints in 24 ms returned sat
[2025-05-30 12:14:09] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 12:14:09] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2025-05-30 12:14:09] [INFO ] [Nat]Absence check using state equation in 75 ms returned sat
[2025-05-30 12:14:09] [INFO ] [Nat]Added 66 Read/Feed constraints in 68 ms returned sat
[2025-05-30 12:14:09] [INFO ] Computed and/alt/rep : 51/121/51 causal constraints (skipped 138 transitions) in 35 ms.
[2025-05-30 12:14:09] [INFO ] Added : 17 causal constraints over 4 iterations in 214 ms. Result :sat
Minimization took 218 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 12:14:09] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2025-05-30 12:14:09] [INFO ] [Real]Absence check using state equation in 126 ms returned sat
[2025-05-30 12:14:10] [INFO ] [Real]Added 66 Read/Feed constraints in 27 ms returned sat
[2025-05-30 12:14:10] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 12:14:10] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 4 ms returned sat
[2025-05-30 12:14:10] [INFO ] [Nat]Absence check using state equation in 120 ms returned sat
[2025-05-30 12:14:10] [INFO ] [Nat]Added 66 Read/Feed constraints in 31 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 12:14:10] [INFO ] Deduced a trap composed of 13 places in 142 ms of which 8 ms to minimize.
[2025-05-30 12:14:10] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 169 ms
[2025-05-30 12:14:10] [INFO ] Computed and/alt/rep : 51/121/51 causal constraints (skipped 138 transitions) in 33 ms.
[2025-05-30 12:14:10] [INFO ] Added : 1 causal constraints over 1 iterations in 86 ms. Result :sat
Minimization took 185 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 12:14:10] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 4 ms returned sat
[2025-05-30 12:14:10] [INFO ] [Real]Absence check using state equation in 117 ms returned sat
[2025-05-30 12:14:10] [INFO ] [Real]Added 66 Read/Feed constraints in 26 ms returned sat
[2025-05-30 12:14:10] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 12:14:11] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 4 ms returned sat
[2025-05-30 12:14:11] [INFO ] [Nat]Absence check using state equation in 111 ms returned sat
[2025-05-30 12:14:11] [INFO ] [Nat]Added 66 Read/Feed constraints in 35 ms returned sat
[2025-05-30 12:14:11] [INFO ] Computed and/alt/rep : 51/121/51 causal constraints (skipped 138 transitions) in 31 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 12:14:11] [INFO ] Deduced a trap composed of 13 places in 99 ms of which 8 ms to minimize.
[2025-05-30 12:14:11] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 207 ms
[2025-05-30 12:14:11] [INFO ] Added : 18 causal constraints over 4 iterations in 419 ms. Result :sat
Minimization took 138 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 3, 0] Max Struct:[7, 5, 7]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 3, 0] Max Struct:[7, 5, 7]
Support contains 3 out of 129 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 129/129 places, 190/190 transitions.
Applied a total of 0 rules in 14 ms. Remains 129 /129 variables (removed 0) and now considering 190/190 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 129/129 places, 190/190 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 129/129 places, 190/190 transitions.
Applied a total of 0 rules in 13 ms. Remains 129 /129 variables (removed 0) and now considering 190/190 (removed 0) transitions.
[2025-05-30 12:14:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 12:14:12] [INFO ] Implicit Places using invariants in 240 ms returned []
[2025-05-30 12:14:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 12:14:12] [INFO ] State equation strengthened by 66 read => feed constraints.
[2025-05-30 12:14:13] [INFO ] Implicit Places using invariants and state equation in 1124 ms returned []
Implicit Place search using SMT with State Equation took 1367 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-30 12:14:13] [INFO ] Redundant transitions in 7 ms returned []
Running 189 sub problems to find dead transitions.
[2025-05-30 12:14:13] [INFO ] Invariant cache hit.
[2025-05-30 12:14:13] [INFO ] State equation strengthened by 66 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/128 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/128 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 2 (OVERLAPS) 1/129 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/129 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 4 (OVERLAPS) 190/319 variables, 129/131 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/319 variables, 66/197 constraints. Problems are: Problem set: 0 solved, 189 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/319 variables, 0/197 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 7 (OVERLAPS) 0/319 variables, 0/197 constraints. Problems are: Problem set: 0 solved, 189 unsolved
No progress, stopping.
After SMT solving in domain Real declared 319/319 variables, and 197 constraints, problems are : Problem set: 0 solved, 189 unsolved in 20000 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 129/129 constraints, ReadFeed: 66/66 constraints, PredecessorRefiner: 189/189 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 189 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/128 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/128 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 2 (OVERLAPS) 1/129 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/129 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 4 (OVERLAPS) 190/319 variables, 129/131 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/319 variables, 66/197 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/319 variables, 189/386 constraints. Problems are: Problem set: 0 solved, 189 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 319/319 variables, and 386 constraints, problems are : Problem set: 0 solved, 189 unsolved in 30017 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 129/129 constraints, ReadFeed: 66/66 constraints, PredecessorRefiner: 189/189 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 50167ms problems are : Problem set: 0 solved, 189 unsolved
Search for dead transitions found 0 dead transitions in 50169ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 51566 ms. Remains : 129/129 places, 190/190 transitions.
RANDOM walk for 40000 steps (9258 resets) in 1692 ms. (23 steps per ms) remains 6/6 properties
[2025-05-30 12:15:04] [INFO ] Flatten gal took : 206 ms
BEST_FIRST walk for 40002 steps (3762 resets) in 704 ms. (56 steps per ms) remains 6/6 properties
[2025-05-30 12:15:04] [INFO ] Flatten gal took : 70 ms
[2025-05-30 12:15:04] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13278939927547329138.gal : 25 ms
[2025-05-30 12:15:04] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4072722823862536237.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/ReachabilityCardinality13278939927547329138.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4072722823862536237.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40004 steps (3769 resets) in 256 ms. (155 steps per ms) remains 6/6 properties
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality4072722823862536237.prop.
BEST_FIRST walk for 40000 steps (3898 resets) in 230 ms. (173 steps per ms) remains 6/6 properties
SDD proceeding with computation,6 properties remain. new max is 4
SDD size :1 after 7
SDD proceeding with computation,6 properties remain. new max is 8
SDD size :7 after 30
SDD proceeding with computation,6 properties remain. new max is 16
SDD size :30 after 68
SDD proceeding with computation,6 properties remain. new max is 32
SDD size :68 after 106
SDD proceeding with computation,6 properties remain. new max is 64
SDD size :106 after 182
SDD proceeding with computation,6 properties remain. new max is 128
SDD size :182 after 282
BEST_FIRST walk for 40004 steps (3912 resets) in 288 ms. (138 steps per ms) remains 6/6 properties
SDD proceeding with computation,6 properties remain. new max is 256
SDD size :282 after 548
BEST_FIRST walk for 40001 steps (3785 resets) in 198 ms. (201 steps per ms) remains 6/6 properties
SDD proceeding with computation,6 properties remain. new max is 512
SDD size :548 after 1459
BEST_FIRST walk for 40002 steps (3790 resets) in 198 ms. (201 steps per ms) remains 6/6 properties
SDD proceeding with computation,6 properties remain. new max is 1024
SDD size :1459 after 3484
SDD proceeding with computation,6 properties remain. new max is 2048
SDD size :3484 after 15681
SDD proceeding with computation,6 properties remain. new max is 4096
SDD size :15681 after 42804
SDD proceeding with computation,6 properties remain. new max is 8192
SDD size :42804 after 72643
Interrupted probabilistic random walk after 478574 steps, run timeout after 3001 ms. (steps per millisecond=159 ) properties seen :2 out of 6
Probabilistic random walk after 478574 steps, saw 195218 distinct states, run finished after 3007 ms. (steps per millisecond=159 ) properties seen :2
[2025-05-30 12:15:07] [INFO ] Invariant cache hit.
[2025-05-30 12:15:07] [INFO ] State equation strengthened by 66 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 74/77 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/77 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 15/92 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/92 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 134/226 variables, 92/94 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/226 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Problem MAX0 is UNSAT
Problem MAX2 is UNSAT
At refinement iteration 7 (OVERLAPS) 86/312 variables, 33/127 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/312 variables, 63/190 constraints. Problems are: Problem set: 2 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/312 variables, 0/190 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 7/319 variables, 4/194 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/319 variables, 3/197 constraints. Problems are: Problem set: 2 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 12:15:08] [INFO ] Deduced a trap composed of 13 places in 143 ms of which 15 ms to minimize.
Problem MAX1 is UNSAT
At refinement iteration 12 (INCLUDED_ONLY) 0/319 variables, 1/198 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/319 variables, 0/198 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/319 variables, 0/198 constraints. Problems are: Problem set: 3 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 319/319 variables, and 198 constraints, problems are : Problem set: 3 solved, 1 unsolved in 646 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 129/129 constraints, ReadFeed: 66/66 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 3 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 3 solved, 1 unsolved
Invariant property MIN2 does not hold.
Invariant property MIN0 does not hold.
SDD proceeding with computation,4 properties remain. new max is 8192
SDD size :191414 after 196510
At refinement iteration 3 (OVERLAPS) 134/137 variables, 4/5 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/137 variables, 8/13 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/137 variables, 1/14 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/137 variables, 0/14 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 74/211 variables, 1/15 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/211 variables, 55/70 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/211 variables, 0/70 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 15/226 variables, 1/71 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/226 variables, 11/82 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/226 variables, 0/82 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 93/319 variables, 58/140 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/319 variables, 58/198 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/319 variables, 1/199 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/319 variables, 0/199 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 0/319 variables, 0/199 constraints. Problems are: Problem set: 3 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 319/319 variables, and 199 constraints, problems are : Problem set: 3 solved, 1 unsolved in 287 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 129/129 constraints, ReadFeed: 66/66 constraints, PredecessorRefiner: 1/4 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 944ms problems are : Problem set: 3 solved, 1 unsolved
Parikh walk visited 0 properties in 8 ms.
Support contains 1 out of 129 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 129/129 places, 190/190 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 127 transition count 188
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 127 transition count 188
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 6 place count 125 transition count 185
Iterating global reduction 0 with 2 rules applied. Total rules applied 8 place count 125 transition count 185
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 10 place count 125 transition count 183
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 12 place count 123 transition count 168
Iterating global reduction 1 with 2 rules applied. Total rules applied 14 place count 123 transition count 168
Applied a total of 14 rules in 17 ms. Remains 123 /129 variables (removed 6) and now considering 168/190 (removed 22) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17 ms. Remains : 123/129 places, 168/190 transitions.
RANDOM walk for 40000 steps (9162 resets) in 241 ms. (165 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (3866 resets) in 158 ms. (251 steps per ms) remains 1/1 properties
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,199742,4.25189,97788,2,12031,21,245510,10,0,712,303670,0
Total reachable state count : 199742
Verifying 6 reachability properties.
Reachability property MAX0 does not hold.
No reachable states exhibit your property : MAX0
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX0,0,4.25624,97788,1,0,21,245510,10,0,713,303670,0
Invariant property MIN0 does not hold.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,9,4.25788,97788,2,140,21,245510,11,0,715,303670,0
Reachability property MAX1 does not hold.
No reachable states exhibit your property : MAX1
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX1,0,4.25812,97788,1,0,21,245510,11,0,715,303670,0
Invariant property MIN1 is true.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN1,0,4.25834,97788,1,0,21,245510,11,0,715,303670,0
Reachability property MAX2 does not hold.
No reachable states exhibit your property : MAX2
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX2,0,4.2622,97788,1,0,21,245510,11,0,715,303670,0
Invariant property MIN2 does not hold.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN2,9,4.26297,97788,2,140,21,245510,12,0,717,303670,0
Probably explored full state space saw : 186275 states, properties seen :0
Probabilistic random walk after 448092 steps, saw 186275 distinct states, run finished after 902 ms. (steps per millisecond=496 ) properties seen :0
Explored full state space saw : 186542 states, properties seen :0
Exhaustive walk after 448570 steps, saw 186542 distinct states, run finished after 706 ms. (steps per millisecond=635 ) properties seen :0
FORMULA DBSingleClientW-PT-d2m05-UpperBounds-13 3 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (After reachability solving 1 queries.) : Max Seen:[0, 0] Max Struct:[7, 7]
Starting property specific reduction for DBSingleClientW-PT-d2m05-UpperBounds-10
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[7]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[7]
[2025-05-30 12:15:10] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[7]
RANDOM walk for 10000 steps (2286 resets) in 21 ms. (454 steps per ms)
BEST_FIRST walk for 10000 steps (961 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[7]
[2025-05-30 12:15:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 12:15:10] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 4 ms returned sat
[2025-05-30 12:15:10] [INFO ] [Real]Absence check using state equation in 70 ms returned sat
[2025-05-30 12:15:10] [INFO ] State equation strengthened by 66 read => feed constraints.
[2025-05-30 12:15:10] [INFO ] [Real]Added 66 Read/Feed constraints in 22 ms returned sat
[2025-05-30 12:15:10] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 12:15:10] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2025-05-30 12:15:10] [INFO ] [Nat]Absence check using state equation in 85 ms returned sat
[2025-05-30 12:15:10] [INFO ] [Nat]Added 66 Read/Feed constraints in 67 ms returned sat
[2025-05-30 12:15:10] [INFO ] Computed and/alt/rep : 51/121/51 causal constraints (skipped 138 transitions) in 30 ms.
[2025-05-30 12:15:11] [INFO ] Added : 17 causal constraints over 4 iterations in 212 ms. Result :sat
Minimization took 201 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[7]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[7]
Support contains 1 out of 129 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 129/129 places, 190/190 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 128 transition count 189
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 128 transition count 189
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 127 transition count 187
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 127 transition count 187
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 5 place count 127 transition count 186
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 6 place count 126 transition count 179
Iterating global reduction 1 with 1 rules applied. Total rules applied 7 place count 126 transition count 179
Applied a total of 7 rules in 18 ms. Remains 126 /129 variables (removed 3) and now considering 179/190 (removed 11) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18 ms. Remains : 126/129 places, 179/190 transitions.
// Phase 1: matrix 179 rows 126 cols
[2025-05-30 12:15:11] [INFO ] Computed 2 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[7]
RANDOM walk for 1000000 steps (229926 resets) in 1889 ms. (529 steps per ms)
BEST_FIRST walk for 1000000 steps (95343 resets) in 920 ms. (1085 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[7]
[2025-05-30 12:15:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 12:15:14] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2025-05-30 12:15:14] [INFO ] [Real]Absence check using state equation in 98 ms returned sat
[2025-05-30 12:15:14] [INFO ] State equation strengthened by 58 read => feed constraints.
[2025-05-30 12:15:14] [INFO ] [Real]Added 58 Read/Feed constraints in 82 ms returned sat
[2025-05-30 12:15:14] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 12:15:14] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2025-05-30 12:15:14] [INFO ] [Nat]Absence check using state equation in 114 ms returned sat
[2025-05-30 12:15:14] [INFO ] [Nat]Added 58 Read/Feed constraints in 58 ms returned sat
[2025-05-30 12:15:14] [INFO ] Computed and/alt/rep : 50/117/50 causal constraints (skipped 128 transitions) in 26 ms.
[2025-05-30 12:15:14] [INFO ] Added : 15 causal constraints over 4 iterations in 205 ms. Result :sat
Minimization took 142 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[7]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[7]
Support contains 1 out of 126 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 126/126 places, 179/179 transitions.
Applied a total of 0 rules in 20 ms. Remains 126 /126 variables (removed 0) and now considering 179/179 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 20 ms. Remains : 126/126 places, 179/179 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 126/126 places, 179/179 transitions.
Applied a total of 0 rules in 10 ms. Remains 126 /126 variables (removed 0) and now considering 179/179 (removed 0) transitions.
[2025-05-30 12:15:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 12:15:15] [INFO ] Implicit Places using invariants in 214 ms returned []
[2025-05-30 12:15:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 12:15:15] [INFO ] State equation strengthened by 58 read => feed constraints.
[2025-05-30 12:15:16] [INFO ] Implicit Places using invariants and state equation in 898 ms returned []
Implicit Place search using SMT with State Equation took 1114 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-30 12:15:16] [INFO ] Redundant transitions in 4 ms returned []
Running 178 sub problems to find dead transitions.
[2025-05-30 12:15:16] [INFO ] Invariant cache hit.
[2025-05-30 12:15:16] [INFO ] State equation strengthened by 58 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/125 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/125 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 2 (OVERLAPS) 1/126 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/126 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 4 (OVERLAPS) 179/305 variables, 126/128 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/305 variables, 58/186 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/305 variables, 0/186 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 7 (OVERLAPS) 0/305 variables, 0/186 constraints. Problems are: Problem set: 0 solved, 178 unsolved
No progress, stopping.
After SMT solving in domain Real declared 305/305 variables, and 186 constraints, problems are : Problem set: 0 solved, 178 unsolved in 15199 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 126/126 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 178/178 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 178 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/125 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/125 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 2 (OVERLAPS) 1/126 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/126 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 4 (OVERLAPS) 179/305 variables, 126/128 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/305 variables, 58/186 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/305 variables, 178/364 constraints. Problems are: Problem set: 0 solved, 178 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 305/305 variables, and 364 constraints, problems are : Problem set: 0 solved, 178 unsolved in 30016 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 126/126 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 178/178 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 45486ms problems are : Problem set: 0 solved, 178 unsolved
Search for dead transitions found 0 dead transitions in 45489ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 46626 ms. Remains : 126/126 places, 179/179 transitions.
[2025-05-30 12:16:01] [INFO ] Flatten gal took : 76 ms
[2025-05-30 12:16:01] [INFO ] Flatten gal took : 36 ms
RANDOM walk for 40000 steps (9217 resets) in 348 ms. (114 steps per ms) remains 2/2 properties
[2025-05-30 12:16:01] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7541546542288996831.gal : 22 ms
[2025-05-30 12:16:01] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2902928519908208266.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/ReachabilityCardinality7541546542288996831.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2902928519908208266.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40003 steps (3793 resets) in 114 ms. (347 steps per ms) remains 2/2 properties
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
BEST_FIRST walk for 40002 steps (3808 resets) in 115 ms. (344 steps per ms) remains 2/2 properties
Loading property file /tmp/ReachabilityCardinality2902928519908208266.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 7
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :7 after 30
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :30 after 68
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :68 after 106
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :106 after 182
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :182 after 282
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :282 after 548
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :548 after 1468
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :1468 after 4630
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :4630 after 22804
Probably explored full state space saw : 194488 states, properties seen :1
Probabilistic random walk after 474532 steps, saw 194488 distinct states, run finished after 892 ms. (steps per millisecond=531 ) properties seen :1
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :22804 after 42700
Explored full state space saw : 194970 states, properties seen :0
Exhaustive walk after 475450 steps, saw 194970 distinct states, run finished after 680 ms. (steps per millisecond=699 ) properties seen :0
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:[0] Max Struct:[7]
Ending property specific reduction for DBSingleClientW-PT-d2m05-UpperBounds-10 in 53102 ms.
Starting property specific reduction for DBSingleClientW-PT-d2m05-UpperBounds-14
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[7]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[7]
// Phase 1: matrix 190 rows 129 cols
[2025-05-30 12:16:03] [INFO ] Computed 2 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[7]
RANDOM walk for 10000 steps (2322 resets) in 21 ms. (454 steps per ms)
BEST_FIRST walk for 10000 steps (995 resets) in 10 ms. (909 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[7]
[2025-05-30 12:16:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 12:16:03] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2025-05-30 12:16:03] [INFO ] [Real]Absence check using state equation in 71 ms returned sat
[2025-05-30 12:16:03] [INFO ] State equation strengthened by 66 read => feed constraints.
[2025-05-30 12:16:03] [INFO ] [Real]Added 66 Read/Feed constraints in 16 ms returned sat
[2025-05-30 12:16:03] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 12:16:03] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 4 ms returned sat
[2025-05-30 12:16:03] [INFO ] [Nat]Absence check using state equation in 113 ms returned sat
[2025-05-30 12:16:03] [INFO ] [Nat]Added 66 Read/Feed constraints in 34 ms returned sat
[2025-05-30 12:16:03] [INFO ] Computed and/alt/rep : 51/121/51 causal constraints (skipped 138 transitions) in 24 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 12:16:04] [INFO ] Deduced a trap composed of 13 places in 188 ms of which 15 ms to minimize.
[2025-05-30 12:16:04] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 368 ms
[2025-05-30 12:16:04] [INFO ] Added : 18 causal constraints over 4 iterations in 667 ms. Result :sat
Minimization took 222 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[7]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[7]
Support contains 1 out of 129 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 129/129 places, 190/190 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 128 transition count 189
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 128 transition count 189
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 127 transition count 188
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 127 transition count 188
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 5 place count 127 transition count 187
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 6 place count 126 transition count 179
Iterating global reduction 1 with 1 rules applied. Total rules applied 7 place count 126 transition count 179
Applied a total of 7 rules in 28 ms. Remains 126 /129 variables (removed 3) and now considering 179/190 (removed 11) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 29 ms. Remains : 126/129 places, 179/190 transitions.
// Phase 1: matrix 179 rows 126 cols
[2025-05-30 12:16:04] [INFO ] Computed 2 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[7]
RANDOM walk for 1000000 steps (229563 resets) in 2185 ms. (457 steps per ms)
BEST_FIRST walk for 1000000 steps (95945 resets) in 841 ms. (1187 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[7]
[2025-05-30 12:16:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 12:16:08] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2025-05-30 12:16:08] [INFO ] [Real]Absence check using state equation in 71 ms returned sat
[2025-05-30 12:16:08] [INFO ] State equation strengthened by 57 read => feed constraints.
[2025-05-30 12:16:08] [INFO ] [Real]Added 57 Read/Feed constraints in 17 ms returned sat
[2025-05-30 12:16:08] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 12:16:08] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2025-05-30 12:16:08] [INFO ] [Nat]Absence check using state equation in 75 ms returned sat
[2025-05-30 12:16:08] [INFO ] [Nat]Added 57 Read/Feed constraints in 29 ms returned sat
[2025-05-30 12:16:08] [INFO ] Computed and/alt/rep : 50/119/50 causal constraints (skipped 128 transitions) in 15 ms.
[2025-05-30 12:16:08] [INFO ] Added : 14 causal constraints over 3 iterations in 99 ms. Result :sat
Minimization took 116 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[7]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[7]
Support contains 1 out of 126 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 126/126 places, 179/179 transitions.
Applied a total of 0 rules in 8 ms. Remains 126 /126 variables (removed 0) and now considering 179/179 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 126/126 places, 179/179 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 126/126 places, 179/179 transitions.
Applied a total of 0 rules in 7 ms. Remains 126 /126 variables (removed 0) and now considering 179/179 (removed 0) transitions.
[2025-05-30 12:16:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 12:16:08] [INFO ] Implicit Places using invariants in 196 ms returned []
[2025-05-30 12:16:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 12:16:08] [INFO ] State equation strengthened by 57 read => feed constraints.
[2025-05-30 12:16:09] [INFO ] Implicit Places using invariants and state equation in 1139 ms returned []
Implicit Place search using SMT with State Equation took 1337 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-30 12:16:09] [INFO ] Redundant transitions in 1 ms returned []
Running 178 sub problems to find dead transitions.
[2025-05-30 12:16:09] [INFO ] Invariant cache hit.
[2025-05-30 12:16:09] [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) 0/125 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/125 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 2 (OVERLAPS) 1/126 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/126 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 4 (OVERLAPS) 179/305 variables, 126/128 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/305 variables, 57/185 constraints. Problems are: Problem set: 0 solved, 178 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/305 variables, 0/185 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 7 (OVERLAPS) 0/305 variables, 0/185 constraints. Problems are: Problem set: 0 solved, 178 unsolved
No progress, stopping.
After SMT solving in domain Real declared 305/305 variables, and 185 constraints, problems are : Problem set: 0 solved, 178 unsolved in 15907 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 126/126 constraints, ReadFeed: 57/57 constraints, PredecessorRefiner: 178/178 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 178 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/125 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/125 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 2 (OVERLAPS) 1/126 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/126 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 4 (OVERLAPS) 179/305 variables, 126/128 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/305 variables, 57/185 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/305 variables, 178/363 constraints. Problems are: Problem set: 0 solved, 178 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 305/305 variables, and 363 constraints, problems are : Problem set: 0 solved, 178 unsolved in 30014 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 126/126 constraints, ReadFeed: 57/57 constraints, PredecessorRefiner: 178/178 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 46027ms problems are : Problem set: 0 solved, 178 unsolved
Search for dead transitions found 0 dead transitions in 46028ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 47381 ms. Remains : 126/126 places, 179/179 transitions.
[2025-05-30 12:16:56] [INFO ] Flatten gal took : 55 ms
RANDOM walk for 40000 steps (9191 resets) in 273 ms. (145 steps per ms) remains 2/2 properties
[2025-05-30 12:16:56] [INFO ] Flatten gal took : 48 ms
BEST_FIRST walk for 40001 steps (3810 resets) in 110 ms. (360 steps per ms) remains 2/2 properties
[2025-05-30 12:16:56] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4013689531459883961.gal : 9 ms
[2025-05-30 12:16:56] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6569530689746355510.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/ReachabilityCardinality4013689531459883961.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6569530689746355510.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
BEST_FIRST walk for 40003 steps (3760 resets) in 140 ms. (283 steps per ms) remains 2/2 properties
Loading property file /tmp/ReachabilityCardinality6569530689746355510.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 7
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :7 after 30
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :30 after 68
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :68 after 106
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :106 after 182
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :182 after 282
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :282 after 548
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :548 after 1415
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :1415 after 3652
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :3652 after 15636
Probably explored full state space saw : 190833 states, properties seen :1
Probabilistic random walk after 462204 steps, saw 190833 distinct states, run finished after 971 ms. (steps per millisecond=476 ) properties seen :1
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :15636 after 42782
Explored full state space saw : 191314 states, properties seen :0
Exhaustive walk after 463126 steps, saw 191314 distinct states, run finished after 680 ms. (steps per millisecond=681 ) properties seen :0
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:[0] Max Struct:[7]
Ending property specific reduction for DBSingleClientW-PT-d2m05-UpperBounds-14 in 54285 ms.
[2025-05-30 12:16:57] [INFO ] Flatten gal took : 13 ms
[2025-05-30 12:16:57] [INFO ] Applying decomposition
[2025-05-30 12:16:57] [INFO ] Flatten gal took : 14 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/graph10831712346564173816.txt' '-o' '/tmp/graph10831712346564173816.bin' '-w' '/tmp/graph10831712346564173816.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph10831712346564173816.bin' '-l' '-1' '-v' '-w' '/tmp/graph10831712346564173816.weights' '-q' '0' '-e' '0.001'
[2025-05-30 12:16:58] [INFO ] Decomposing Gal with order
[2025-05-30 12:16:58] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-05-30 12:16:58] [INFO ] Removed a total of 193 redundant transitions.
[2025-05-30 12:16:58] [INFO ] Flatten gal took : 85 ms
[2025-05-30 12:16:58] [INFO ] Fuse similar labels procedure discarded/fused a total of 138 labels/synchronizations in 20 ms.
[2025-05-30 12:16:58] [INFO ] Time to serialize gal into /tmp/UpperBounds3030945332155558584.gal : 8 ms
[2025-05-30 12:16:58] [INFO ] Time to serialize properties into /tmp/UpperBounds16074347261070879144.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/UpperBounds3030945332155558584.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds16074347261070879144.prop' '--nowitness'
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 ...284
Loading property file /tmp/UpperBounds16074347261070879144.prop.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst\_mod\_flat,199742,0.355149,14860,895,782,11404,6758,561,36208,238,45395,0
Total reachable state count : 199742
Verifying 2 reachability properties.
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property DBSingleClientW-PT-d2m05-UpperBounds-10 :0 <= i4.u7.p224 <= 1
FORMULA DBSingleClientW-PT-d2m05-UpperBounds-10 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DBSingleClientW-PT-d2m05-UpperBounds-10,0,0.385476,14860,1,0,11404,6758,673,36208,277,45395,605
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property DBSingleClientW-PT-d2m05-UpperBounds-14 :0 <= i5.i0.u8.p201 <= 1
FORMULA DBSingleClientW-PT-d2m05-UpperBounds-14 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DBSingleClientW-PT-d2m05-UpperBounds-14,0,0.386014,14860,1,0,11404,6758,698,36208,281,45395,704
ITS tools runner thread asked to quit. Dying gracefully.
Total runtime 263174 ms.
BK_STOP 1748607418716
--------------------
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="DBSingleClientW-PT-d2m05"
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 DBSingleClientW-PT-d2m05, 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 r058-smll-174854063600125"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/DBSingleClientW-PT-d2m05.tgz
mv DBSingleClientW-PT-d2m05 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 ;