About the Execution of 2025-gold for DoubleLock-PT-p3s3
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 16189.539 | 3600000.00 | 3214926.00 | 342799.10 | 0 1 1 1 1 0 0 1 1 1 1 ? 1 1 0 0 | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2026-input.r127-smll-177955743800008.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool gold2025
Input is DoubleLock-PT-p3s3, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r127-smll-177955743800008
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.8M
-rw-r--r-- 1 mcc users 7.7K Mar 6 18:10 CTLCardinality.txt
-rw-r--r-- 1 mcc users 84K Mar 6 18:10 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.3K Mar 6 18:09 CTLFireability.txt
-rw-r--r-- 1 mcc users 46K Mar 6 18:09 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K Mar 15 09:40 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 09:40 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 09:40 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Mar 15 09:40 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.8K Mar 6 18:10 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 104K Mar 6 18:10 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.8K Mar 6 18:10 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 64K Mar 6 18:10 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 09:40 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 09:40 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 1.4M Mar 3 18:30 model.pnml
--------------------
content from stdout:
=== Data for post analysis generated by BenchKit (invocation template)
The expected result is a vector of positive values
NUM_VECTOR
echo here is the order used to build the result vector(from xml file)
FORMULA_NAME DoubleLock-PT-p3s3-UpperBounds-00
FORMULA_NAME DoubleLock-PT-p3s3-UpperBounds-01
FORMULA_NAME DoubleLock-PT-p3s3-UpperBounds-02
FORMULA_NAME DoubleLock-PT-p3s3-UpperBounds-03
FORMULA_NAME DoubleLock-PT-p3s3-UpperBounds-04
FORMULA_NAME DoubleLock-PT-p3s3-UpperBounds-05
FORMULA_NAME DoubleLock-PT-p3s3-UpperBounds-06
FORMULA_NAME DoubleLock-PT-p3s3-UpperBounds-07
FORMULA_NAME DoubleLock-PT-p3s3-UpperBounds-08
FORMULA_NAME DoubleLock-PT-p3s3-UpperBounds-09
FORMULA_NAME DoubleLock-PT-p3s3-UpperBounds-10
FORMULA_NAME DoubleLock-PT-p3s3-UpperBounds-11
FORMULA_NAME DoubleLock-PT-p3s3-UpperBounds-12
FORMULA_NAME DoubleLock-PT-p3s3-UpperBounds-13
FORMULA_NAME DoubleLock-PT-p3s3-UpperBounds-14
FORMULA_NAME DoubleLock-PT-p3s3-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1779565244359
Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DoubleLock-PT-p3s3
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-23 19:40:46] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-23 19:40:46] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 19:40:46] [INFO ] Load time of PNML (sax parser for PT used): 428 ms
[2026-05-23 19:40:46] [INFO ] Transformed 306 places.
[2026-05-23 19:40:46] [INFO ] Transformed 3136 transitions.
[2026-05-23 19:40:46] [INFO ] Parsed PT model containing 306 places and 3136 transitions and 12672 arcs in 640 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 12 ms.
Deduced a syphon composed of 68 places in 35 ms
Reduce places removed 68 places and 128 transitions.
FORMULA DoubleLock-PT-p3s3-UpperBounds-00 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DoubleLock-PT-p3s3-UpperBounds-05 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DoubleLock-PT-p3s3-UpperBounds-06 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DoubleLock-PT-p3s3-UpperBounds-14 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DoubleLock-PT-p3s3-UpperBounds-15 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2026-05-23 19:40:47] [INFO ] Flow matrix only has 2121 transitions (discarded 887 similar events)
// Phase 1: matrix 2121 rows 238 cols
[2026-05-23 19:40:47] [INFO ] Computed 4 invariants in 89 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, +inf, 1, 1]
RANDOM walk for 10002 steps (94 resets) in 90 ms. (109 steps per ms)
FORMULA DoubleLock-PT-p3s3-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p3s3-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p3s3-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p3s3-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p3s3-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p3s3-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 60005 steps (92 resets) in 181 ms. (329 steps per ms)
FORMULA DoubleLock-PT-p3s3-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 2] Max Struct:[1, 1, 1, +inf]
[2026-05-23 19:40:47] [INFO ] Flow matrix only has 2121 transitions (discarded 887 similar events)
[2026-05-23 19:40:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 19:40:47] [INFO ] [Real]Absence check using 3 positive place invariants in 12 ms returned sat
[2026-05-23 19:40:47] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-23 19:40:48] [INFO ] [Real]Absence check using state equation in 927 ms returned sat
[2026-05-23 19:40:49] [INFO ] State equation strengthened by 143 read => feed constraints.
[2026-05-23 19:40:49] [INFO ] [Real]Added 143 Read/Feed constraints in 158 ms returned sat
[2026-05-23 19:40:49] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 19:40:49] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2026-05-23 19:40:49] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2026-05-23 19:40:49] [INFO ] [Nat]Absence check using state equation in 602 ms returned sat
[2026-05-23 19:40:50] [INFO ] [Nat]Added 143 Read/Feed constraints in 441 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 19:40:50] [INFO ] Deduced a trap composed of 115 places in 415 ms of which 20 ms to minimize.
[2026-05-23 19:40:50] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 568 ms
[2026-05-23 19:40:51] [INFO ] Computed and/alt/rep : 259/1539/259 causal constraints (skipped 1860 transitions) in 481 ms.
[2026-05-23 19:40:51] [INFO ] Added : 0 causal constraints over 0 iterations in 685 ms. Result :sat
Minimization took 602 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 19:40:52] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2026-05-23 19:40:52] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-23 19:40:52] [INFO ] [Real]Absence check using state equation in 494 ms returned sat
[2026-05-23 19:40:53] [INFO ] [Real]Added 143 Read/Feed constraints in 311 ms returned sat
[2026-05-23 19:40:53] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 19:40:53] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2026-05-23 19:40:53] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-23 19:40:53] [INFO ] [Nat]Absence check using state equation in 570 ms returned sat
[2026-05-23 19:40:54] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-23 19:40:54] [INFO ] [Nat]Added 143 Read/Feed constraints in 769 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 19:40:55] [INFO ] Deduced a trap composed of 115 places in 362 ms of which 19 ms to minimize.
[2026-05-23 19:40:55] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 503 ms
[2026-05-23 19:40:55] [INFO ] Computed and/alt/rep : 259/1539/259 causal constraints (skipped 1860 transitions) in 723 ms.
[2026-05-23 19:40:56] [INFO ] Added : 0 causal constraints over 0 iterations in 939 ms. Result :sat
Minimization took 625 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 19:40:56] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2026-05-23 19:40:56] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-23 19:40:57] [INFO ] [Real]Absence check using state equation in 586 ms returned sat
[2026-05-23 19:40:57] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 19:40:57] [INFO ] [Nat]Absence check using 3 positive place invariants in 8 ms returned sat
[2026-05-23 19:40:57] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2026-05-23 19:40:58] [INFO ] [Nat]Absence check using state equation in 527 ms returned sat
[2026-05-23 19:40:58] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-23 19:40:58] [INFO ] [Nat]Added 143 Read/Feed constraints in 641 ms returned sat
[2026-05-23 19:40:59] [INFO ] Computed and/alt/rep : 259/1539/259 causal constraints (skipped 1860 transitions) in 292 ms.
[2026-05-23 19:40:59] [INFO ] Added : 0 causal constraints over 0 iterations in 459 ms. Result :sat
Minimization took 592 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 19:40:59] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2026-05-23 19:40:59] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-23 19:41:00] [INFO ] [Real]Absence check using state equation in 518 ms returned sat
[2026-05-23 19:41:00] [INFO ] [Real]Added 143 Read/Feed constraints in 87 ms returned sat
[2026-05-23 19:41:00] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 19:41:00] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2026-05-23 19:41:00] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-23 19:41:01] [INFO ] [Nat]Absence check using state equation in 618 ms returned sat
[2026-05-23 19:41:01] [INFO ] [Nat]Added 143 Read/Feed constraints in 285 ms returned sat
[2026-05-23 19:41:01] [INFO ] Computed and/alt/rep : 259/1539/259 causal constraints (skipped 1860 transitions) in 264 ms.
[2026-05-23 19:41:02] [INFO ] Added : 5 causal constraints over 2 iterations in 666 ms. Result :sat
Minimization took 592 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 2] Max Struct:[1, 1, 1, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0, 2] Max Struct:[1, 1, 1, +inf]
Support contains 4 out of 238 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 238/238 places, 3008/3008 transitions.
Graph (complete) has 5131 edges and 238 vertex of which 235 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.13 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 32 transitions
Reduce isomorphic transitions removed 32 transitions.
Iterating post reduction 0 with 32 rules applied. Total rules applied 33 place count 235 transition count 2976
Applied a total of 33 rules in 221 ms. Remains 235 /238 variables (removed 3) and now considering 2976/3008 (removed 32) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 239 ms. Remains : 235/238 places, 2976/3008 transitions.
[2026-05-23 19:41:03] [INFO ] Flow matrix only has 2089 transitions (discarded 887 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {18=1, 31=1, 1180=1, 1992=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 3 ms.
This minimized invariant on transitions {18=1, 31=1, 1162=1, 1974=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 140 resets, run finished after 143 ms. (steps per millisecond=69 ) properties (out of 4) seen :[1, 1, 1, 2]
Current structural bounds on expressions (after cover walk) : Max Seen:[1, 1, 1, 2] Max Struct:[1, 1, 1, +inf]
[2026-05-23 19:41:04] [INFO ] Flow matrix only has 2089 transitions (discarded 887 similar events)
// Phase 1: matrix 2089 rows 235 cols
[2026-05-23 19:41:04] [INFO ] Computed 3 invariants in 25 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1, 1, 1, 2] Max Struct:[1, 1, 1, +inf]
FORMULA DoubleLock-PT-p3s3-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DoubleLock-PT-p3s3-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DoubleLock-PT-p3s3-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 1000004 steps (9552 resets) in 2671 ms. (374 steps per ms)
BEST_FIRST walk for 1000001 steps (1665 resets) in 939 ms. (1063 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[4] Max Struct:[+inf]
[2026-05-23 19:41:08] [INFO ] Flow matrix only has 2089 transitions (discarded 887 similar events)
[2026-05-23 19:41:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 19:41:08] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2026-05-23 19:41:08] [INFO ] [Real]Absence check using state equation in 566 ms returned sat
[2026-05-23 19:41:08] [INFO ] State equation strengthened by 143 read => feed constraints.
[2026-05-23 19:41:08] [INFO ] [Real]Added 143 Read/Feed constraints in 145 ms returned sat
[2026-05-23 19:41:08] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 19:41:09] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2026-05-23 19:41:09] [INFO ] [Nat]Absence check using state equation in 590 ms returned sat
[2026-05-23 19:41:09] [INFO ] [Nat]Added 143 Read/Feed constraints in 277 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 19:41:10] [INFO ] Deduced a trap composed of 94 places in 743 ms of which 46 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 19:41:11] [INFO ] Deduced a trap composed of 94 places in 673 ms of which 37 ms to minimize.
[2026-05-23 19:41:11] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1618 ms
[2026-05-23 19:41:11] [INFO ] Computed and/alt/rep : 259/1539/259 causal constraints (skipped 1828 transitions) in 288 ms.
[2026-05-23 19:41:12] [INFO ] Added : 10 causal constraints over 3 iterations in 1377 ms. Result :sat
Minimization took 4501 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[4] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[4] Max Struct:[+inf]
Support contains 1 out of 235 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 235/235 places, 2976/2976 transitions.
Applied a total of 0 rules in 98 ms. Remains 235 /235 variables (removed 0) and now considering 2976/2976 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 99 ms. Remains : 235/235 places, 2976/2976 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 235/235 places, 2976/2976 transitions.
Applied a total of 0 rules in 112 ms. Remains 235 /235 variables (removed 0) and now considering 2976/2976 (removed 0) transitions.
[2026-05-23 19:41:17] [INFO ] Flow matrix only has 2089 transitions (discarded 887 similar events)
[2026-05-23 19:41:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 19:41:18] [INFO ] Implicit Places using invariants in 942 ms returned []
[2026-05-23 19:41:18] [INFO ] Flow matrix only has 2089 transitions (discarded 887 similar events)
[2026-05-23 19:41:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 19:41:19] [INFO ] State equation strengthened by 143 read => feed constraints.
[2026-05-23 19:41:22] [INFO ] Implicit Places using invariants and state equation in 4255 ms returned []
Implicit Place search using SMT with State Equation took 5200 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 19:41:23] [INFO ] Redundant transitions in 228 ms returned []
Running 2974 sub problems to find dead transitions.
[2026-05-23 19:41:23] [INFO ] Flow matrix only has 2089 transitions (discarded 887 similar events)
[2026-05-23 19:41:23] [INFO ] Invariant cache hit.
[2026-05-23 19:41:23] [INFO ] State equation strengthened by 143 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/235 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 2974 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 235/2324 variables, and 3 constraints, problems are : Problem set: 0 solved, 2974 unsolved in 30167 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/235 constraints, ReadFeed: 0/143 constraints, PredecessorRefiner: 2974/2974 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2974 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/235 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 2974 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 19:42:25] [INFO ] Deduced a trap composed of 156 places in 384 ms of which 11 ms to minimize.
Problem TDEAD1984 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 19:42:25] [INFO ] Deduced a trap composed of 156 places in 395 ms of which 15 ms to minimize.
Problem TDEAD1985 is UNSAT
Problem TDEAD1986 is UNSAT
Problem TDEAD1987 is UNSAT
Problem TDEAD1988 is UNSAT
Problem TDEAD1989 is UNSAT
Problem TDEAD1990 is UNSAT
Problem TDEAD1991 is UNSAT
Problem TDEAD1992 is UNSAT
Problem TDEAD1993 is UNSAT
Problem TDEAD1994 is UNSAT
Problem TDEAD1995 is UNSAT
Problem TDEAD1996 is UNSAT
Problem TDEAD1997 is UNSAT
Problem TDEAD1998 is UNSAT
Problem TDEAD1999 is UNSAT
Problem TDEAD2000 is UNSAT
Problem TDEAD2001 is UNSAT
Problem TDEAD2002 is UNSAT
Problem TDEAD2003 is UNSAT
Problem TDEAD2004 is UNSAT
Problem TDEAD2005 is UNSAT
Problem TDEAD2006 is UNSAT
Problem TDEAD2007 is UNSAT
Problem TDEAD2008 is UNSAT
Problem TDEAD2009 is UNSAT
Problem TDEAD2010 is UNSAT
Problem TDEAD2011 is UNSAT
Problem TDEAD2012 is UNSAT
Problem TDEAD2013 is UNSAT
Problem TDEAD2014 is UNSAT
Problem TDEAD2015 is UNSAT
Problem TDEAD2016 is UNSAT
Problem TDEAD2017 is UNSAT
Problem TDEAD2018 is UNSAT
Problem TDEAD2019 is UNSAT
Problem TDEAD2020 is UNSAT
Problem TDEAD2021 is UNSAT
Problem TDEAD2022 is UNSAT
Problem TDEAD2023 is UNSAT
Problem TDEAD2024 is UNSAT
Problem TDEAD2025 is UNSAT
Problem TDEAD2026 is UNSAT
Problem TDEAD2027 is UNSAT
Problem TDEAD2028 is UNSAT
Problem TDEAD2029 is UNSAT
Problem TDEAD2030 is UNSAT
Problem TDEAD2031 is UNSAT
Problem TDEAD2032 is UNSAT
Problem TDEAD2036 is UNSAT
Problem TDEAD2037 is UNSAT
Problem TDEAD2041 is UNSAT
Problem TDEAD2042 is UNSAT
Problem TDEAD2046 is UNSAT
Problem TDEAD2047 is UNSAT
Problem TDEAD2051 is UNSAT
Problem TDEAD2052 is UNSAT
Problem TDEAD2056 is UNSAT
Problem TDEAD2057 is UNSAT
Problem TDEAD2061 is UNSAT
Problem TDEAD2062 is UNSAT
Problem TDEAD2066 is UNSAT
Problem TDEAD2067 is UNSAT
Problem TDEAD2071 is UNSAT
Problem TDEAD2072 is UNSAT
Problem TDEAD2076 is UNSAT
Problem TDEAD2077 is UNSAT
Problem TDEAD2081 is UNSAT
Problem TDEAD2082 is UNSAT
Problem TDEAD2086 is UNSAT
Problem TDEAD2087 is UNSAT
Problem TDEAD2091 is UNSAT
Problem TDEAD2094 is UNSAT
Problem TDEAD2095 is UNSAT
Problem TDEAD2099 is UNSAT
Problem TDEAD2100 is UNSAT
Problem TDEAD2104 is UNSAT
Problem TDEAD2105 is UNSAT
Problem TDEAD2109 is UNSAT
Problem TDEAD2110 is UNSAT
Problem TDEAD2114 is UNSAT
Problem TDEAD2115 is UNSAT
Problem TDEAD2119 is UNSAT
Problem TDEAD2120 is UNSAT
Problem TDEAD2124 is UNSAT
Problem TDEAD2125 is UNSAT
Problem TDEAD2129 is UNSAT
Problem TDEAD2130 is UNSAT
Problem TDEAD2134 is UNSAT
Problem TDEAD2135 is UNSAT
Problem TDEAD2139 is UNSAT
Problem TDEAD2140 is UNSAT
Problem TDEAD2144 is UNSAT
Problem TDEAD2145 is UNSAT
Problem TDEAD2149 is UNSAT
Problem TDEAD2150 is UNSAT
Problem TDEAD2152 is UNSAT
Problem TDEAD2153 is UNSAT
Problem TDEAD2154 is UNSAT
Problem TDEAD2155 is UNSAT
Problem TDEAD2156 is UNSAT
Problem TDEAD2157 is UNSAT
Problem TDEAD2158 is UNSAT
Problem TDEAD2159 is UNSAT
Problem TDEAD2160 is UNSAT
Problem TDEAD2161 is UNSAT
Problem TDEAD2162 is UNSAT
Problem TDEAD2163 is UNSAT
Problem TDEAD2164 is UNSAT
Problem TDEAD2165 is UNSAT
Problem TDEAD2166 is UNSAT
Problem TDEAD2167 is UNSAT
Problem TDEAD2168 is UNSAT
Problem TDEAD2169 is UNSAT
Problem TDEAD2170 is UNSAT
Problem TDEAD2171 is UNSAT
Problem TDEAD2172 is UNSAT
Problem TDEAD2173 is UNSAT
Problem TDEAD2174 is UNSAT
Problem TDEAD2175 is UNSAT
Problem TDEAD2176 is UNSAT
Problem TDEAD2177 is UNSAT
Problem TDEAD2178 is UNSAT
Problem TDEAD2179 is UNSAT
Problem TDEAD2180 is UNSAT
Problem TDEAD2181 is UNSAT
Problem TDEAD2182 is UNSAT
Problem TDEAD2183 is UNSAT
Problem TDEAD2184 is UNSAT
Problem TDEAD2185 is UNSAT
Problem TDEAD2186 is UNSAT
Problem TDEAD2187 is UNSAT
Problem TDEAD2188 is UNSAT
Problem TDEAD2189 is UNSAT
Problem TDEAD2190 is UNSAT
Problem TDEAD2191 is UNSAT
Problem TDEAD2192 is UNSAT
Problem TDEAD2193 is UNSAT
Problem TDEAD2194 is UNSAT
Problem TDEAD2195 is UNSAT
Problem TDEAD2196 is UNSAT
Problem TDEAD2197 is UNSAT
Problem TDEAD2198 is UNSAT
Problem TDEAD2199 is UNSAT
Problem TDEAD2200 is UNSAT
Problem TDEAD2201 is UNSAT
Problem TDEAD2202 is UNSAT
Problem TDEAD2203 is UNSAT
Problem TDEAD2204 is UNSAT
Problem TDEAD2205 is UNSAT
Problem TDEAD2206 is UNSAT
Problem TDEAD2207 is UNSAT
Problem TDEAD2208 is UNSAT
Problem TDEAD2209 is UNSAT
Problem TDEAD2210 is UNSAT
Problem TDEAD2211 is UNSAT
Problem TDEAD2212 is UNSAT
Problem TDEAD2213 is UNSAT
Problem TDEAD2214 is UNSAT
Problem TDEAD2215 is UNSAT
Problem TDEAD2216 is UNSAT
Problem TDEAD2217 is UNSAT
Problem TDEAD2218 is UNSAT
Problem TDEAD2219 is UNSAT
Problem TDEAD2220 is UNSAT
Problem TDEAD2221 is UNSAT
Problem TDEAD2222 is UNSAT
Problem TDEAD2223 is UNSAT
Problem TDEAD2224 is UNSAT
Problem TDEAD2225 is UNSAT
Problem TDEAD2226 is UNSAT
Problem TDEAD2227 is UNSAT
Problem TDEAD2228 is UNSAT
Problem TDEAD2229 is UNSAT
Problem TDEAD2230 is UNSAT
Problem TDEAD2231 is UNSAT
Problem TDEAD2232 is UNSAT
Problem TDEAD2233 is UNSAT
Problem TDEAD2234 is UNSAT
Problem TDEAD2235 is UNSAT
Problem TDEAD2236 is UNSAT
Problem TDEAD2237 is UNSAT
Problem TDEAD2238 is UNSAT
Problem TDEAD2239 is UNSAT
Problem TDEAD2240 is UNSAT
Problem TDEAD2241 is UNSAT
Problem TDEAD2242 is UNSAT
Problem TDEAD2243 is UNSAT
Problem TDEAD2244 is UNSAT
Problem TDEAD2245 is UNSAT
Problem TDEAD2246 is UNSAT
Problem TDEAD2247 is UNSAT
Problem TDEAD2248 is UNSAT
Problem TDEAD2252 is UNSAT
Problem TDEAD2253 is UNSAT
Problem TDEAD2257 is UNSAT
Problem TDEAD2258 is UNSAT
Problem TDEAD2262 is UNSAT
Problem TDEAD2263 is UNSAT
Problem TDEAD2267 is UNSAT
Problem TDEAD2268 is UNSAT
Problem TDEAD2272 is UNSAT
Problem TDEAD2273 is UNSAT
Problem TDEAD2277 is UNSAT
Problem TDEAD2278 is UNSAT
Problem TDEAD2282 is UNSAT
Problem TDEAD2283 is UNSAT
Problem TDEAD2287 is UNSAT
Problem TDEAD2288 is UNSAT
Problem TDEAD2292 is UNSAT
Problem TDEAD2293 is UNSAT
Problem TDEAD2297 is UNSAT
Problem TDEAD2298 is UNSAT
Problem TDEAD2302 is UNSAT
Problem TDEAD2303 is UNSAT
Problem TDEAD2307 is UNSAT
Problem TDEAD2310 is UNSAT
Problem TDEAD2311 is UNSAT
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 235/2324 variables, and 5 constraints, problems are : Problem set: 218 solved, 2756 unsolved in 30075 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/235 constraints, ReadFeed: 0/143 constraints, PredecessorRefiner: 0/2974 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 64878ms problems are : Problem set: 218 solved, 2756 unsolved
Search for dead transitions found 218 dead transitions in 64935ms
Found 218 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 218 transitions
Dead transitions reduction (with SMT) removed 218 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 235/235 places, 2758/2976 transitions.
Graph (complete) has 4657 edges and 235 vertex of which 223 are kept as prefixes of interest. Removing 12 places using SCC suffix rule.4 ms
Discarding 12 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 72 ms. Remains 223 /235 variables (removed 12) and now considering 2758/2758 (removed 0) transitions.
[2026-05-23 19:42:28] [INFO ] Flow matrix only has 1908 transitions (discarded 850 similar events)
// Phase 1: matrix 1908 rows 223 cols
[2026-05-23 19:42:28] [INFO ] Computed 2 invariants in 16 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 19:42:28] [INFO ] Implicit Places using invariants in 621 ms returned []
[2026-05-23 19:42:28] [INFO ] Flow matrix only has 1908 transitions (discarded 850 similar events)
[2026-05-23 19:42:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 19:42:29] [INFO ] State equation strengthened by 143 read => feed constraints.
[2026-05-23 19:42:34] [INFO ] Implicit Places using invariants and state equation in 6188 ms returned []
Implicit Place search using SMT with State Equation took 6811 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 223/235 places, 2758/2976 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 77407 ms. Remains : 223/235 places, 2758/2976 transitions.
[2026-05-23 19:42:34] [INFO ] Flow matrix only has 1908 transitions (discarded 850 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {18=1, 31=1, 1164=1, 1795=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {18=1, 31=1, 1170=1, 1800=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 147 resets, run finished after 204 ms. (steps per millisecond=49 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[4] Max Struct:[+inf]
[2026-05-23 19:42:36] [INFO ] Flow matrix only has 1908 transitions (discarded 850 similar events)
[2026-05-23 19:42:36] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[4] Max Struct:[+inf]
RANDOM walk for 1000000 steps (9504 resets) in 2538 ms. (393 steps per ms)
BEST_FIRST walk for 1000001 steps (1684 resets) in 873 ms. (1144 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[4] Max Struct:[+inf]
[2026-05-23 19:42:39] [INFO ] Flow matrix only has 1908 transitions (discarded 850 similar events)
[2026-05-23 19:42:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 19:42:39] [INFO ] [Real]Absence check using 2 positive place invariants in 5 ms returned sat
[2026-05-23 19:42:40] [INFO ] [Real]Absence check using state equation in 828 ms returned sat
[2026-05-23 19:42:40] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 19:42:40] [INFO ] [Nat]Absence check using 2 positive place invariants in 5 ms returned sat
[2026-05-23 19:42:41] [INFO ] [Nat]Absence check using state equation in 832 ms returned sat
[2026-05-23 19:42:41] [INFO ] State equation strengthened by 143 read => feed constraints.
[2026-05-23 19:42:42] [INFO ] [Nat]Added 143 Read/Feed constraints in 1191 ms returned sat
[2026-05-23 19:42:42] [INFO ] Computed and/alt/rep : 207/1210/207 causal constraints (skipped 1699 transitions) in 244 ms.
[2026-05-23 19:42:43] [INFO ] Added : 4 causal constraints over 2 iterations in 655 ms. Result :sat
Minimization took 4501 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[4] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[4] Max Struct:[+inf]
Support contains 1 out of 223 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 223/223 places, 2758/2758 transitions.
Applied a total of 0 rules in 66 ms. Remains 223 /223 variables (removed 0) and now considering 2758/2758 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66 ms. Remains : 223/223 places, 2758/2758 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 223/223 places, 2758/2758 transitions.
Applied a total of 0 rules in 61 ms. Remains 223 /223 variables (removed 0) and now considering 2758/2758 (removed 0) transitions.
[2026-05-23 19:42:47] [INFO ] Flow matrix only has 1908 transitions (discarded 850 similar events)
[2026-05-23 19:42:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 19:42:48] [INFO ] Implicit Places using invariants in 644 ms returned []
[2026-05-23 19:42:48] [INFO ] Flow matrix only has 1908 transitions (discarded 850 similar events)
[2026-05-23 19:42:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 19:42:49] [INFO ] State equation strengthened by 143 read => feed constraints.
[2026-05-23 19:42:54] [INFO ] Implicit Places using invariants and state equation in 6283 ms returned []
Implicit Place search using SMT with State Equation took 6929 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 19:42:54] [INFO ] Redundant transitions in 95 ms returned []
Running 2756 sub problems to find dead transitions.
[2026-05-23 19:42:54] [INFO ] Flow matrix only has 1908 transitions (discarded 850 similar events)
[2026-05-23 19:42:54] [INFO ] Invariant cache hit.
[2026-05-23 19:42:54] [INFO ] State equation strengthened by 143 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/223 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2756 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 223/2131 variables, and 2 constraints, problems are : Problem set: 0 solved, 2756 unsolved in 30057 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 0/223 constraints, ReadFeed: 0/143 constraints, PredecessorRefiner: 2756/2756 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2756 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/223 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2756 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 223/2131 variables, and 2 constraints, problems are : Problem set: 0 solved, 2756 unsolved in 30062 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 0/223 constraints, ReadFeed: 0/143 constraints, PredecessorRefiner: 0/2756 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 63063ms problems are : Problem set: 0 solved, 2756 unsolved
Search for dead transitions found 0 dead transitions in 63073ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 70168 ms. Remains : 223/223 places, 2758/2758 transitions.
[2026-05-23 19:43:57] [INFO ] Flow matrix only has 1908 transitions (discarded 850 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {18=1, 31=1, 1164=1, 1795=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {18=1, 31=1, 1170=1, 1800=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 140 resets, run finished after 113 ms. (steps per millisecond=88 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[4] Max Struct:[+inf]
RANDOM walk for 40009 steps (383 resets) in 616 ms. (64 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (64 resets) in 224 ms. (177 steps per ms) remains 1/1 properties
[2026-05-23 19:44:00] [INFO ] Flatten gal took : 452 ms
[2026-05-23 19:44:00] [INFO ] Flatten gal took : 211 ms
[2026-05-23 19:44:00] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3345284865350182058.gal : 100 ms
[2026-05-23 19:44:00] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17582880621980171459.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/ReachabilityCardinality3345284865350182058.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17582880621980171459.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 ...329
Loading property file /tmp/ReachabilityCardinality17582880621980171459.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 63
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :63 after 931
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :931 after 39369
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :39369 after 174174
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :174174 after 312956
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :312956 after 321594
Interrupted probabilistic random walk after 227637 steps, run timeout after 3001 ms. (steps per millisecond=75 ) properties seen :0 out of 1
Probabilistic random walk after 227637 steps, saw 169505 distinct states, run finished after 3008 ms. (steps per millisecond=75 ) properties seen :0
[2026-05-23 19:44:02] [INFO ] Flow matrix only has 1908 transitions (discarded 850 similar events)
[2026-05-23 19:44:02] [INFO ] Invariant cache hit.
[2026-05-23 19:44:02] [INFO ] State equation strengthened by 143 read => feed constraints.
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: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 129/130 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/130 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :321594 after 908213
At refinement iteration 3 (OVERLAPS) 1871/2001 variables, 118/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2001 variables, 1/120 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2001 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 81/2082 variables, 1/121 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2082 variables, 64/185 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2082 variables, 0/185 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 49/2131 variables, 40/225 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/2131 variables, 1/226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/2131 variables, 142/368 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/2131 variables, 0/368 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/2131 variables, 0/368 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2131/2131 variables, and 368 constraints, problems are : Problem set: 0 solved, 1 unsolved in 988 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 223/223 constraints, ReadFeed: 143/143 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 129/130 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/130 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1871/2001 variables, 118/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2001 variables, 1/120 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2001 variables, 1/121 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2001 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 81/2082 variables, 1/122 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2082 variables, 64/186 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/2082 variables, 0/186 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 49/2131 variables, 40/226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/2131 variables, 1/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 2048
At refinement iteration 12 (INCLUDED_ONLY) 0/2131 variables, 142/369 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD size :908213 after 2.20807e+06
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 19:44:04] [INFO ] Deduced a trap along path composed of 3 places in 57 ms of which 2 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/2131 variables, 1/370 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/2131 variables, 0/370 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/2131 variables, 0/370 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2131/2131 variables, and 370 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1697 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 223/223 constraints, ReadFeed: 143/143 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 2711ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 176 ms.
Support contains 1 out of 223 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 223/223 places, 2758/2758 transitions.
Applied a total of 0 rules in 62 ms. Remains 223 /223 variables (removed 0) and now considering 2758/2758 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 63 ms. Remains : 223/223 places, 2758/2758 transitions.
RANDOM walk for 40010 steps (376 resets) in 186 ms. (213 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (63 resets) in 124 ms. (320 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 285935 steps, run timeout after 3001 ms. (steps per millisecond=95 ) properties seen :0 out of 1
Probabilistic random walk after 285935 steps, saw 211773 distinct states, run finished after 3001 ms. (steps per millisecond=95 ) properties seen :0
[2026-05-23 19:44:08] [INFO ] Flow matrix only has 1908 transitions (discarded 850 similar events)
[2026-05-23 19:44:08] [INFO ] Invariant cache hit.
[2026-05-23 19:44:08] [INFO ] State equation strengthened by 143 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 129/130 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/130 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1871/2001 variables, 118/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2001 variables, 1/120 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2001 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 81/2082 variables, 1/121 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2082 variables, 64/185 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2082 variables, 0/185 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 49/2131 variables, 40/225 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/2131 variables, 1/226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/2131 variables, 142/368 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/2131 variables, 0/368 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/2131 variables, 0/368 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2131/2131 variables, and 368 constraints, problems are : Problem set: 0 solved, 1 unsolved in 932 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 223/223 constraints, ReadFeed: 143/143 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 129/130 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/130 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :2.20807e+06 after 4.51247e+06
At refinement iteration 3 (OVERLAPS) 1871/2001 variables, 118/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2001 variables, 1/120 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2001 variables, 1/121 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2001 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 81/2082 variables, 1/122 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2082 variables, 64/186 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/2082 variables, 0/186 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 49/2131 variables, 40/226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/2131 variables, 1/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/2131 variables, 142/369 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 19:44:10] [INFO ] Deduced a trap along path composed of 3 places in 45 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/2131 variables, 1/370 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/2131 variables, 0/370 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/2131 variables, 0/370 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2131/2131 variables, and 370 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1725 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 223/223 constraints, ReadFeed: 143/143 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 2676ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 133 ms.
Support contains 1 out of 223 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 223/223 places, 2758/2758 transitions.
Applied a total of 0 rules in 54 ms. Remains 223 /223 variables (removed 0) and now considering 2758/2758 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 54 ms. Remains : 223/223 places, 2758/2758 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 223/223 places, 2758/2758 transitions.
Applied a total of 0 rules in 53 ms. Remains 223 /223 variables (removed 0) and now considering 2758/2758 (removed 0) transitions.
[2026-05-23 19:44:11] [INFO ] Flow matrix only has 1908 transitions (discarded 850 similar events)
[2026-05-23 19:44:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 19:44:11] [INFO ] Implicit Places using invariants in 547 ms returned []
[2026-05-23 19:44:11] [INFO ] Flow matrix only has 1908 transitions (discarded 850 similar events)
[2026-05-23 19:44:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 19:44:12] [INFO ] State equation strengthened by 143 read => feed constraints.
[2026-05-23 19:44:17] [INFO ] Implicit Places using invariants and state equation in 5646 ms returned []
Implicit Place search using SMT with State Equation took 6196 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 19:44:17] [INFO ] Redundant transitions in 330 ms returned []
Running 2756 sub problems to find dead transitions.
[2026-05-23 19:44:17] [INFO ] Flow matrix only has 1908 transitions (discarded 850 similar events)
[2026-05-23 19:44:17] [INFO ] Invariant cache hit.
[2026-05-23 19:44:17] [INFO ] State equation strengthened by 143 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :4.51247e+06 after 6.02795e+06
At refinement iteration 0 (INCLUDED_ONLY) 0/223 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2756 unsolved
Detected timeout of ITS tools.
[2026-05-23 19:44:50] [INFO ] Flatten gal took : 128 ms
[2026-05-23 19:44:50] [INFO ] Applying decomposition
[2026-05-23 19:44:50] [INFO ] Flatten gal took : 119 ms
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 223/2131 variables, and 2 constraints, problems are : Problem set: 0 solved, 2756 unsolved in 30065 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 0/223 constraints, ReadFeed: 0/143 constraints, PredecessorRefiner: 2756/2756 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2756 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 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/graph14940566984677747743.txt' '-o' '/tmp/graph14940566984677747743.bin' '-w' '/tmp/graph14940566984677747743.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph14940566984677747743.bin' '-l' '-1' '-v' '-w' '/tmp/graph14940566984677747743.weights' '-q' '0' '-e' '0.001'
[2026-05-23 19:44:51] [INFO ] Decomposing Gal with order
[2026-05-23 19:44:51] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 19:44:52] [INFO ] Removed a total of 6678 redundant transitions.
[2026-05-23 19:44:52] [INFO ] Flatten gal took : 489 ms
[2026-05-23 19:44:52] [INFO ] Fuse similar labels procedure discarded/fused a total of 443 labels/synchronizations in 257 ms.
[2026-05-23 19:44:52] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3483272501144408404.gal : 44 ms
[2026-05-23 19:44:52] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6105578681754543317.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/ReachabilityCardinality3483272501144408404.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6105578681754543317.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 ...307
Loading property file /tmp/ReachabilityCardinality6105578681754543317.prop.
At refinement iteration 0 (INCLUDED_ONLY) 0/223 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2756 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 223/2131 variables, and 2 constraints, problems are : Problem set: 0 solved, 2756 unsolved in 30057 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 0/223 constraints, ReadFeed: 0/143 constraints, PredecessorRefiner: 0/2756 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 63372ms problems are : Problem set: 0 solved, 2756 unsolved
Search for dead transitions found 0 dead transitions in 63386ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 69992 ms. Remains : 223/223 places, 2758/2758 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 850 transitions
Reduce isomorphic transitions removed 850 transitions.
Iterating post reduction 0 with 850 rules applied. Total rules applied 850 place count 223 transition count 1908
Performed 9 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 9 Pre rules applied. Total rules applied 850 place count 223 transition count 1899
Deduced a syphon composed of 9 places in 1 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 1 with 18 rules applied. Total rules applied 868 place count 214 transition count 1899
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 872 place count 212 transition count 1897
Applied a total of 872 rules in 97 ms. Remains 212 /223 variables (removed 11) and now considering 1897/2758 (removed 861) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 1897 rows 212 cols
[2026-05-23 19:45:21] [INFO ] Computed 2 invariants in 14 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-23 19:45:21] [INFO ] [Real]Absence check using 2 positive place invariants in 4 ms returned sat
[2026-05-23 19:45:22] [INFO ] After 698ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-23 19:45:22] [INFO ] [Nat]Absence check using 2 positive place invariants in 3 ms returned sat
[2026-05-23 19:45:22] [INFO ] After 611ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2026-05-23 19:45:22] [INFO ] State equation strengthened by 64 read => feed constraints.
[2026-05-23 19:45:22] [INFO ] After 89ms SMT Verify possible using 64 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-23 19:45:23] [INFO ] After 219ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-23 19:45:23] [INFO ] After 1010ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2026-05-23 19:45:23] [INFO ] Flatten gal took : 90 ms
[2026-05-23 19:45:23] [INFO ] Flatten gal took : 76 ms
[2026-05-23 19:45:23] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8056425234171032842.gal : 17 ms
[2026-05-23 19:45:23] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12482838430070668852.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/ReachabilityCardinality8056425234171032842.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12482838430070668852.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 ...329
Loading property file /tmp/ReachabilityCardinality12482838430070668852.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 60
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :60 after 297
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :297 after 1177
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :1177 after 4086
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :4086 after 41757
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :41757 after 247544
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :247544 after 688481
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :688481 after 1.20605e+06
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :1.20605e+06 after 2.58814e+07
Detected timeout of ITS tools.
[2026-05-23 19:45:38] [INFO ] Flatten gal took : 74 ms
[2026-05-23 19:45:38] [INFO ] Applying decomposition
[2026-05-23 19:45:38] [INFO ] Flatten gal took : 63 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/graph15879321045394650619.txt' '-o' '/tmp/graph15879321045394650619.bin' '-w' '/tmp/graph15879321045394650619.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph15879321045394650619.bin' '-l' '-1' '-v' '-w' '/tmp/graph15879321045394650619.weights' '-q' '0' '-e' '0.001'
[2026-05-23 19:45:38] [INFO ] Decomposing Gal with order
[2026-05-23 19:45:38] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 19:45:38] [INFO ] Removed a total of 4686 redundant transitions.
[2026-05-23 19:45:38] [INFO ] Flatten gal took : 148 ms
[2026-05-23 19:45:39] [INFO ] Fuse similar labels procedure discarded/fused a total of 251 labels/synchronizations in 98 ms.
[2026-05-23 19:45:39] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4362250417845963565.gal : 21 ms
[2026-05-23 19:45:39] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1202317237933680567.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/ReachabilityCardinality4362250417845963565.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1202317237933680567.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 ...307
Loading property file /tmp/ReachabilityCardinality1202317237933680567.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 63
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :63 after 1722
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :1722 after 3003
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :3003 after 3003
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :3003 after 3003
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :3003 after 3003
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :3003 after 2.13297e+06
Detected timeout of ITS tools.
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :2.13297e+06 after 6.04817e+06
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 32903 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[4] Max Struct:[+inf]
Starting property specific reduction for DoubleLock-PT-p3s3-UpperBounds-11
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:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2026-05-23 19:45:54] [INFO ] Flow matrix only has 1908 transitions (discarded 850 similar events)
// Phase 1: matrix 1908 rows 223 cols
[2026-05-23 19:45:54] [INFO ] Computed 2 invariants in 17 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (99 resets) in 38 ms. (256 steps per ms)
BEST_FIRST walk for 10000 steps (17 resets) in 11 ms. (833 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2026-05-23 19:45:54] [INFO ] Flow matrix only has 1908 transitions (discarded 850 similar events)
[2026-05-23 19:45:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 19:45:54] [INFO ] [Real]Absence check using 2 positive place invariants in 5 ms returned sat
[2026-05-23 19:45:55] [INFO ] [Real]Absence check using state equation in 894 ms returned sat
[2026-05-23 19:45:55] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 19:45:55] [INFO ] [Nat]Absence check using 2 positive place invariants in 5 ms returned sat
[2026-05-23 19:45:56] [INFO ] [Nat]Absence check using state equation in 897 ms returned sat
[2026-05-23 19:45:56] [INFO ] State equation strengthened by 143 read => feed constraints.
[2026-05-23 19:45:56] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-23 19:45:56] [INFO ] [Nat]Added 143 Read/Feed constraints in 716 ms returned sat
[2026-05-23 19:45:57] [INFO ] Computed and/alt/rep : 207/1210/207 causal constraints (skipped 1699 transitions) in 596 ms.
[2026-05-23 19:45:57] [INFO ] Added : 3 causal constraints over 1 iterations in 874 ms. Result :sat
Minimization took 549 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 223 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 223/223 places, 2758/2758 transitions.
Applied a total of 0 rules in 61 ms. Remains 223 /223 variables (removed 0) and now considering 2758/2758 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 62 ms. Remains : 223/223 places, 2758/2758 transitions.
[2026-05-23 19:45:58] [INFO ] Flow matrix only has 1908 transitions (discarded 850 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {18=1, 31=1, 1164=1, 1795=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {18=1, 31=1, 1170=1, 1800=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 136 resets, run finished after 54 ms. (steps per millisecond=185 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[2] Max Struct:[+inf]
[2026-05-23 19:45:59] [INFO ] Flow matrix only has 1908 transitions (discarded 850 similar events)
[2026-05-23 19:45:59] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000005 steps (9470 resets) in 2544 ms. (392 steps per ms)
BEST_FIRST walk for 1000001 steps (1685 resets) in 931 ms. (1072 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[4] Max Struct:[+inf]
[2026-05-23 19:46:03] [INFO ] Flow matrix only has 1908 transitions (discarded 850 similar events)
[2026-05-23 19:46:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 19:46:03] [INFO ] [Real]Absence check using 2 positive place invariants in 4 ms returned sat
[2026-05-23 19:46:03] [INFO ] [Real]Absence check using state equation in 862 ms returned sat
[2026-05-23 19:46:04] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 19:46:04] [INFO ] [Nat]Absence check using 2 positive place invariants in 5 ms returned sat
[2026-05-23 19:46:04] [INFO ] [Nat]Absence check using state equation in 845 ms returned sat
[2026-05-23 19:46:04] [INFO ] State equation strengthened by 143 read => feed constraints.
[2026-05-23 19:46:06] [INFO ] [Nat]Added 143 Read/Feed constraints in 1178 ms returned sat
[2026-05-23 19:46:06] [INFO ] Computed and/alt/rep : 207/1210/207 causal constraints (skipped 1699 transitions) in 249 ms.
[2026-05-23 19:46:06] [INFO ] Added : 4 causal constraints over 2 iterations in 655 ms. Result :sat
Minimization took 4511 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[4] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[4] Max Struct:[+inf]
Support contains 1 out of 223 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 223/223 places, 2758/2758 transitions.
Applied a total of 0 rules in 64 ms. Remains 223 /223 variables (removed 0) and now considering 2758/2758 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 64 ms. Remains : 223/223 places, 2758/2758 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 223/223 places, 2758/2758 transitions.
Applied a total of 0 rules in 60 ms. Remains 223 /223 variables (removed 0) and now considering 2758/2758 (removed 0) transitions.
[2026-05-23 19:46:11] [INFO ] Flow matrix only has 1908 transitions (discarded 850 similar events)
[2026-05-23 19:46:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 19:46:12] [INFO ] Implicit Places using invariants in 661 ms returned []
[2026-05-23 19:46:12] [INFO ] Flow matrix only has 1908 transitions (discarded 850 similar events)
[2026-05-23 19:46:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 19:46:12] [INFO ] State equation strengthened by 143 read => feed constraints.
[2026-05-23 19:46:18] [INFO ] Implicit Places using invariants and state equation in 6368 ms returned []
Implicit Place search using SMT with State Equation took 7032 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 19:46:18] [INFO ] Redundant transitions in 104 ms returned []
Running 2756 sub problems to find dead transitions.
[2026-05-23 19:46:18] [INFO ] Flow matrix only has 1908 transitions (discarded 850 similar events)
[2026-05-23 19:46:18] [INFO ] Invariant cache hit.
[2026-05-23 19:46:18] [INFO ] State equation strengthened by 143 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/223 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2756 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 223/2131 variables, and 2 constraints, problems are : Problem set: 0 solved, 2756 unsolved in 30065 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 0/223 constraints, ReadFeed: 0/143 constraints, PredecessorRefiner: 2756/2756 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2756 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/223 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2756 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 0)
(s1 0)
(s2 0)
(s3 1)
(s4 0)
(s5 0)
(s6 0)
(s7 0)
(s8 0)
(s9 0)
(s10 0)
(s11 0)
(s12 0)
(s13 0)
(s14 0)
(s15 0)
(s16 0)
(s17 0)
(s18 0)
(s19 0)
(s20 0)
(s21 0)
(s22 0)
(s23 0)
(s24 0)
(s25 0)
(s26 0)
(s27 0)
(s28 0)
(s29 0)
(s30 0)
(s31 0)
(s32 0)
(s33 0)
(s34 0)
(s35 0)
(s36 0)
(s37 0)
(s38 0)
(s39 0)
(s40 0)
(s41 0)
(s42 0)
(s43 0)
(s44 0)
(s45 0)
(s46 0)
(s47 0)
(s48 0)
(s49 0)
(s50 0)
(s51 0)
(s52 0)
(s53 0)
(s54 0)
(s55 0)
(s56 0)
(s57 0)
(s58 0)
(s59 0)
(s60 0)
(s61 0)
(s62 0)
(s63 0)
(s64 0)
(s65 0)
(s66 0)
(s67 0)
(s68 0)
(s69 0)
(s70 0)
(s71 0)
(s72 0)
(s73 0)
(s74 0)
(s75 0)
(s76 0)
(s77 0)
(s78 0)
(s79 0)
(s80 0)
(s81 0)
(s82 0)
(s83 0)
(s84 0)
(s85 0)
(s86 0)
(s87 0)
(s88 0)
(s89 0)
(s90 0)
(s91 0)
(s92 0)
(s93 0)
(s94 0)
(s95 0)
(s96 0)
(s97 0)
(s98 0)
(s99 0)
(s100 0)
(s101 0)
(s102 0)
(s103 0)
(s104 0)
(s105 0)
(s106 0)
(s107 0)
(s108 0)
(s109 0)
(s110 0)
(s111 0)
(s112 0)
(s113 0)
(s114 0)
(s115 0)
(s116 0)
(s117 0)
(s118 0)
(s119 0)
(s120 0)
(s121 0)
(s122 0)
(s123 0)
(s124 0)
(s125 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 223/2131 variables, and 2 constraints, problems are : Problem set: 0 solved, 2756 unsolved in 30057 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 0/223 constraints, ReadFeed: 0/143 constraints, PredecessorRefiner: 0/2756 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 63613ms problems are : Problem set: 0 solved, 2756 unsolved
Search for dead transitions found 0 dead transitions in 63623ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 70833 ms. Remains : 223/223 places, 2758/2758 transitions.
[2026-05-23 19:47:22] [INFO ] Flow matrix only has 1908 transitions (discarded 850 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {18=1, 31=1, 1164=1, 1795=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {18=1, 31=1, 1170=1, 1800=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 141 resets, run finished after 47 ms. (steps per millisecond=212 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[4] Max Struct:[+inf]
[2026-05-23 19:47:23] [INFO ] Flow matrix only has 1908 transitions (discarded 850 similar events)
[2026-05-23 19:47:23] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[4] Max Struct:[+inf]
RANDOM walk for 1000000 steps (9504 resets) in 2348 ms. (425 steps per ms)
BEST_FIRST walk for 1000001 steps (1691 resets) in 785 ms. (1272 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[4] Max Struct:[+inf]
[2026-05-23 19:47:26] [INFO ] Flow matrix only has 1908 transitions (discarded 850 similar events)
[2026-05-23 19:47:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 19:47:26] [INFO ] [Real]Absence check using 2 positive place invariants in 4 ms returned sat
[2026-05-23 19:47:27] [INFO ] [Real]Absence check using state equation in 771 ms returned sat
[2026-05-23 19:47:27] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 19:47:27] [INFO ] [Nat]Absence check using 2 positive place invariants in 4 ms returned sat
[2026-05-23 19:47:28] [INFO ] [Nat]Absence check using state equation in 772 ms returned sat
[2026-05-23 19:47:28] [INFO ] State equation strengthened by 143 read => feed constraints.
[2026-05-23 19:47:29] [INFO ] [Nat]Added 143 Read/Feed constraints in 1086 ms returned sat
[2026-05-23 19:47:29] [INFO ] Computed and/alt/rep : 207/1210/207 causal constraints (skipped 1699 transitions) in 254 ms.
[2026-05-23 19:47:29] [INFO ] Added : 4 causal constraints over 2 iterations in 617 ms. Result :sat
Minimization took 4502 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[4] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[4] Max Struct:[+inf]
Support contains 1 out of 223 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 223/223 places, 2758/2758 transitions.
Applied a total of 0 rules in 54 ms. Remains 223 /223 variables (removed 0) and now considering 2758/2758 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 54 ms. Remains : 223/223 places, 2758/2758 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 223/223 places, 2758/2758 transitions.
Applied a total of 0 rules in 54 ms. Remains 223 /223 variables (removed 0) and now considering 2758/2758 (removed 0) transitions.
[2026-05-23 19:47:34] [INFO ] Flow matrix only has 1908 transitions (discarded 850 similar events)
[2026-05-23 19:47:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 19:47:35] [INFO ] Implicit Places using invariants in 614 ms returned []
[2026-05-23 19:47:35] [INFO ] Flow matrix only has 1908 transitions (discarded 850 similar events)
[2026-05-23 19:47:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 19:47:35] [INFO ] State equation strengthened by 143 read => feed constraints.
[2026-05-23 19:47:41] [INFO ] Implicit Places using invariants and state equation in 6226 ms returned []
Implicit Place search using SMT with State Equation took 6843 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 19:47:41] [INFO ] Redundant transitions in 91 ms returned []
Running 2756 sub problems to find dead transitions.
[2026-05-23 19:47:41] [INFO ] Flow matrix only has 1908 transitions (discarded 850 similar events)
[2026-05-23 19:47:41] [INFO ] Invariant cache hit.
[2026-05-23 19:47:41] [INFO ] State equation strengthened by 143 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/223 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2756 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 223/2131 variables, and 2 constraints, problems are : Problem set: 0 solved, 2756 unsolved in 30052 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 0/223 constraints, ReadFeed: 0/143 constraints, PredecessorRefiner: 2756/2756 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2756 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/223 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2756 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 223/2131 variables, and 2 constraints, problems are : Problem set: 0 solved, 2756 unsolved in 30049 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 0/223 constraints, ReadFeed: 0/143 constraints, PredecessorRefiner: 0/2756 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62874ms problems are : Problem set: 0 solved, 2756 unsolved
Search for dead transitions found 0 dead transitions in 62883ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 69887 ms. Remains : 223/223 places, 2758/2758 transitions.
[2026-05-23 19:48:44] [INFO ] Flow matrix only has 1908 transitions (discarded 850 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {18=1, 31=1, 1164=1, 1795=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {18=1, 31=1, 1170=1, 1800=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 138 resets, run finished after 47 ms. (steps per millisecond=212 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[4] Max Struct:[+inf]
RANDOM walk for 40006 steps (380 resets) in 154 ms. (258 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (64 resets) in 67 ms. (588 steps per ms) remains 1/1 properties
[2026-05-23 19:48:45] [INFO ] Flatten gal took : 83 ms
[2026-05-23 19:48:45] [INFO ] Flatten gal took : 82 ms
[2026-05-23 19:48:45] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3066002409318591525.gal : 20 ms
[2026-05-23 19:48:45] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16125244811782950981.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/ReachabilityCardinality3066002409318591525.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16125244811782950981.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 ...329
Loading property file /tmp/ReachabilityCardinality16125244811782950981.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 63
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :63 after 931
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :931 after 39369
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :39369 after 174174
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :174174 after 312956
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :312956 after 321594
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :321594 after 908213
Interrupted probabilistic random walk after 272289 steps, run timeout after 3001 ms. (steps per millisecond=90 ) properties seen :0 out of 1
Probabilistic random walk after 272289 steps, saw 201877 distinct states, run finished after 3001 ms. (steps per millisecond=90 ) properties seen :0
[2026-05-23 19:48:48] [INFO ] Flow matrix only has 1908 transitions (discarded 850 similar events)
[2026-05-23 19:48:48] [INFO ] Invariant cache hit.
[2026-05-23 19:48:48] [INFO ] State equation strengthened by 143 read => feed constraints.
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: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 129/130 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/130 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1871/2001 variables, 118/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2001 variables, 1/120 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2001 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 81/2082 variables, 1/121 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2082 variables, 64/185 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2082 variables, 0/185 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 49/2131 variables, 40/225 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/2131 variables, 1/226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/2131 variables, 142/368 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/2131 variables, 0/368 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/2131 variables, 0/368 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2131/2131 variables, and 368 constraints, problems are : Problem set: 0 solved, 1 unsolved in 846 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 223/223 constraints, ReadFeed: 143/143 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 129/130 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/130 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1871/2001 variables, 118/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2001 variables, 1/120 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2001 variables, 1/121 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2001 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 81/2082 variables, 1/122 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2082 variables, 64/186 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/2082 variables, 0/186 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :908213 after 2.20807e+06
At refinement iteration 10 (OVERLAPS) 49/2131 variables, 40/226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/2131 variables, 1/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/2131 variables, 142/369 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 19:48:50] [INFO ] Deduced a trap along path composed of 3 places in 37 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/2131 variables, 1/370 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/2131 variables, 0/370 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/2131 variables, 0/370 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2131/2131 variables, and 370 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1683 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 223/223 constraints, ReadFeed: 143/143 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 2542ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 118 ms.
Support contains 1 out of 223 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 223/223 places, 2758/2758 transitions.
Applied a total of 0 rules in 51 ms. Remains 223 /223 variables (removed 0) and now considering 2758/2758 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 52 ms. Remains : 223/223 places, 2758/2758 transitions.
RANDOM walk for 40008 steps (374 resets) in 128 ms. (310 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (66 resets) in 54 ms. (727 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 295487 steps, run timeout after 3001 ms. (steps per millisecond=98 ) properties seen :0 out of 1
Probabilistic random walk after 295487 steps, saw 218695 distinct states, run finished after 3001 ms. (steps per millisecond=98 ) properties seen :0
[2026-05-23 19:48:54] [INFO ] Flow matrix only has 1908 transitions (discarded 850 similar events)
[2026-05-23 19:48:54] [INFO ] Invariant cache hit.
[2026-05-23 19:48:54] [INFO ] State equation strengthened by 143 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 129/130 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/130 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1871/2001 variables, 118/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2001 variables, 1/120 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2001 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 81/2082 variables, 1/121 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2082 variables, 64/185 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2082 variables, 0/185 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 49/2131 variables, 40/225 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/2131 variables, 1/226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/2131 variables, 142/368 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/2131 variables, 0/368 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/2131 variables, 0/368 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2131/2131 variables, and 368 constraints, problems are : Problem set: 0 solved, 1 unsolved in 885 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 223/223 constraints, ReadFeed: 143/143 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 129/130 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/130 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1871/2001 variables, 118/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2001 variables, 1/120 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2001 variables, 1/121 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2001 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 81/2082 variables, 1/122 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2082 variables, 64/186 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/2082 variables, 0/186 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 49/2131 variables, 40/226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/2131 variables, 1/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :2.20807e+06 after 4.51247e+06
At refinement iteration 12 (INCLUDED_ONLY) 0/2131 variables, 142/369 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 19:48:56] [INFO ] Deduced a trap along path composed of 3 places in 33 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/2131 variables, 1/370 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/2131 variables, 0/370 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/2131 variables, 0/370 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2131/2131 variables, and 370 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1706 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 223/223 constraints, ReadFeed: 143/143 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 2610ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 119 ms.
Support contains 1 out of 223 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 223/223 places, 2758/2758 transitions.
Applied a total of 0 rules in 50 ms. Remains 223 /223 variables (removed 0) and now considering 2758/2758 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 50 ms. Remains : 223/223 places, 2758/2758 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 223/223 places, 2758/2758 transitions.
Applied a total of 0 rules in 52 ms. Remains 223 /223 variables (removed 0) and now considering 2758/2758 (removed 0) transitions.
[2026-05-23 19:48:56] [INFO ] Flow matrix only has 1908 transitions (discarded 850 similar events)
[2026-05-23 19:48:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 19:48:57] [INFO ] Implicit Places using invariants in 535 ms returned []
[2026-05-23 19:48:57] [INFO ] Flow matrix only has 1908 transitions (discarded 850 similar events)
[2026-05-23 19:48:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 19:48:57] [INFO ] State equation strengthened by 143 read => feed constraints.
[2026-05-23 19:49:03] [INFO ] Implicit Places using invariants and state equation in 5662 ms returned []
Implicit Place search using SMT with State Equation took 6206 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 19:49:03] [INFO ] Redundant transitions in 90 ms returned []
Running 2756 sub problems to find dead transitions.
[2026-05-23 19:49:03] [INFO ] Flow matrix only has 1908 transitions (discarded 850 similar events)
[2026-05-23 19:49:03] [INFO ] Invariant cache hit.
[2026-05-23 19:49:03] [INFO ] State equation strengthened by 143 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :4.51247e+06 after 6.02795e+06
At refinement iteration 0 (INCLUDED_ONLY) 0/223 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2756 unsolved
Detected timeout of ITS tools.
[2026-05-23 19:49:35] [INFO ] Flatten gal took : 72 ms
[2026-05-23 19:49:35] [INFO ] Applying decomposition
[2026-05-23 19:49:35] [INFO ] Flatten gal took : 74 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/graph11348220608407791489.txt' '-o' '/tmp/graph11348220608407791489.bin' '-w' '/tmp/graph11348220608407791489.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph11348220608407791489.bin' '-l' '-1' '-v' '-w' '/tmp/graph11348220608407791489.weights' '-q' '0' '-e' '0.001'
[2026-05-23 19:49:35] [INFO ] Decomposing Gal with order
[2026-05-23 19:49:35] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 19:49:36] [INFO ] Removed a total of 6678 redundant transitions.
[2026-05-23 19:49:36] [INFO ] Flatten gal took : 184 ms
[2026-05-23 19:49:36] [INFO ] Fuse similar labels procedure discarded/fused a total of 437 labels/synchronizations in 87 ms.
[2026-05-23 19:49:36] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8710673612428810595.gal : 20 ms
[2026-05-23 19:49:36] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14360260065126464421.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/ReachabilityCardinality8710673612428810595.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14360260065126464421.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 ...308
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 223/2131 variables, and 2 constraints, problems are : Problem set: 0 solved, 2756 unsolved in 30055 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 0/223 constraints, ReadFeed: 0/143 constraints, PredecessorRefiner: 2756/2756 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2756 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Loading property file /tmp/ReachabilityCardinality14360260065126464421.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 30352
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :30352 after 152267
At refinement iteration 0 (INCLUDED_ONLY) 0/223 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2756 unsolved
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :152267 after 368377
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :368377 after 648947
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :648947 after 959750
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :959750 after 1.24133e+06
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :1.24133e+06 after 1.46298e+06
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :1.46298e+06 after 1.66829e+06
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 223/2131 variables, and 2 constraints, problems are : Problem set: 0 solved, 2756 unsolved in 30054 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 0/223 constraints, ReadFeed: 0/143 constraints, PredecessorRefiner: 0/2756 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 63438ms problems are : Problem set: 0 solved, 2756 unsolved
Search for dead transitions found 0 dead transitions in 63443ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 69802 ms. Remains : 223/223 places, 2758/2758 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 850 transitions
Reduce isomorphic transitions removed 850 transitions.
Iterating post reduction 0 with 850 rules applied. Total rules applied 850 place count 223 transition count 1908
Performed 9 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 9 Pre rules applied. Total rules applied 850 place count 223 transition count 1899
Deduced a syphon composed of 9 places in 1 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 1 with 18 rules applied. Total rules applied 868 place count 214 transition count 1899
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 872 place count 212 transition count 1897
Applied a total of 872 rules in 76 ms. Remains 212 /223 variables (removed 11) and now considering 1897/2758 (removed 861) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 1897 rows 212 cols
[2026-05-23 19:50:06] [INFO ] Computed 2 invariants in 12 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-23 19:50:06] [INFO ] [Real]Absence check using 2 positive place invariants in 3 ms returned sat
[2026-05-23 19:50:07] [INFO ] After 696ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-23 19:50:07] [INFO ] [Nat]Absence check using 2 positive place invariants in 3 ms returned sat
[2026-05-23 19:50:08] [INFO ] After 581ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2026-05-23 19:50:08] [INFO ] State equation strengthened by 64 read => feed constraints.
[2026-05-23 19:50:08] [INFO ] After 75ms SMT Verify possible using 64 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-23 19:50:08] [INFO ] After 189ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-23 19:50:08] [INFO ] After 937ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2026-05-23 19:50:08] [INFO ] Flatten gal took : 51 ms
[2026-05-23 19:50:08] [INFO ] Flatten gal took : 51 ms
[2026-05-23 19:50:08] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality18119759434526861541.gal : 10 ms
[2026-05-23 19:50:08] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3181105063962096021.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/ReachabilityCardinality18119759434526861541.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3181105063962096021.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 ...329
Loading property file /tmp/ReachabilityCardinality3181105063962096021.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 60
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :60 after 297
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :297 after 1177
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :1177 after 4086
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :4086 after 41757
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :41757 after 247544
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :247544 after 688481
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :688481 after 1.20605e+06
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :1.20605e+06 after 2.58814e+07
Detected timeout of ITS tools.
[2026-05-23 19:50:23] [INFO ] Flatten gal took : 54 ms
[2026-05-23 19:50:23] [INFO ] Applying decomposition
[2026-05-23 19:50:23] [INFO ] Flatten gal took : 58 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/graph14164540620146723447.txt' '-o' '/tmp/graph14164540620146723447.bin' '-w' '/tmp/graph14164540620146723447.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph14164540620146723447.bin' '-l' '-1' '-v' '-w' '/tmp/graph14164540620146723447.weights' '-q' '0' '-e' '0.001'
[2026-05-23 19:50:23] [INFO ] Decomposing Gal with order
[2026-05-23 19:50:23] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 19:50:23] [INFO ] Removed a total of 4779 redundant transitions.
[2026-05-23 19:50:23] [INFO ] Flatten gal took : 112 ms
[2026-05-23 19:50:24] [INFO ] Fuse similar labels procedure discarded/fused a total of 354 labels/synchronizations in 40 ms.
[2026-05-23 19:50:24] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11299458322640042888.gal : 14 ms
[2026-05-23 19:50:24] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9875939381147604965.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/ReachabilityCardinality11299458322640042888.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9875939381147604965.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 ...308
Loading property file /tmp/ReachabilityCardinality9875939381147604965.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 8
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :8 after 18
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :18 after 456
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :456 after 21879
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :21879 after 46492
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :46492 after 49431
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :49431 after 68135
Detected timeout of ITS tools.
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :68135 after 2.22739e+07
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 32451 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[4] Max Struct:[+inf]
Ending property specific reduction for DoubleLock-PT-p3s3-UpperBounds-11 in 284859 ms.
[2026-05-23 19:50:39] [INFO ] Flatten gal took : 71 ms
[2026-05-23 19:50:39] [INFO ] Applying decomposition
[2026-05-23 19:50:39] [INFO ] Flatten gal took : 74 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/graph8445757853106459088.txt' '-o' '/tmp/graph8445757853106459088.bin' '-w' '/tmp/graph8445757853106459088.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph8445757853106459088.bin' '-l' '-1' '-v' '-w' '/tmp/graph8445757853106459088.weights' '-q' '0' '-e' '0.001'
[2026-05-23 19:50:39] [INFO ] Decomposing Gal with order
[2026-05-23 19:50:39] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 19:50:39] [INFO ] Removed a total of 6583 redundant transitions.
[2026-05-23 19:50:39] [INFO ] Flatten gal took : 174 ms
[2026-05-23 19:50:39] [INFO ] Fuse similar labels procedure discarded/fused a total of 479 labels/synchronizations in 71 ms.
[2026-05-23 19:50:39] [INFO ] Time to serialize gal into /tmp/UpperBounds5005715922830934953.gal : 17 ms
[2026-05-23 19:50:39] [INFO ] Time to serialize properties into /tmp/UpperBounds16162446730357287872.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/UpperBounds5005715922830934953.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds16162446730357287872.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/UpperBounds16162446730357287872.prop.
Detected timeout of ITS tools.
[2026-05-23 20:14:04] [INFO ] Flatten gal took : 731 ms
[2026-05-23 20:14:04] [INFO ] Time to serialize gal into /tmp/UpperBounds13113589407832858936.gal : 148 ms
[2026-05-23 20:14:04] [INFO ] Time to serialize properties into /tmp/UpperBounds7580311038679513260.prop : 11 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/UpperBounds13113589407832858936.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds7580311038679513260.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...305
Loading property file /tmp/UpperBounds7580311038679513260.prop.
Detected timeout of ITS tools.
[2026-05-23 20:37:27] [INFO ] Flatten gal took : 752 ms
[2026-05-23 20:37:33] [INFO ] Input system was already deterministic with 2758 transitions.
[2026-05-23 20:37:34] [INFO ] Transformed 223 places.
[2026-05-23 20:37:34] [INFO ] Transformed 2758 transitions.
Running greatSPN : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//../itstools/bin//..//greatspn//bin/pinvar' '/home/mcc/execution/gspn'
Run of greatSPN captured in /home/mcc/execution/outPut.txt
Running greatSPN : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//../itstools/bin//..//greatspn//bin/RGMEDD2' '/home/mcc/execution/gspn' '-META' '-varord-only'
Run of greatSPN captured in /home/mcc/execution/outPut.txt
Using order generated by GreatSPN with heuristic : META
[2026-05-23 20:37:35] [INFO ] Time to serialize gal into /tmp/UpperBounds16971036597762126915.gal : 136 ms
[2026-05-23 20:37:35] [INFO ] Time to serialize properties into /tmp/UpperBounds16212308441428370550.prop : 12 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/UpperBounds16971036597762126915.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds16212308441428370550.prop' '--nowitness' '--load-order' '/home/mcc/execution/model.ord' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...351
Successfully loaded order from file /home/mcc/execution/model.ord
Loading property file /tmp/UpperBounds16212308441428370550.prop.
BK_TIME_CONFINEMENT_REACHED
--------------------
content from stderr:
+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
Sequence of Actions to be Executed by the VM
This is useful if one wants to reexecute the tool in the VM from the submitted image disk.
set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="DoubleLock-PT-p3s3"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="gold2025"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"
# this is specific to your benchmark or test
export BIN_DIR="$HOME/BenchKit/bin"
# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi
# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5973"
echo " Executing tool gold2025"
echo " Input is DoubleLock-PT-p3s3, 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 r127-smll-177955743800008"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/DoubleLock-PT-p3s3.tgz
mv DoubleLock-PT-p3s3 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 ;