About the Execution of 2025-gold for PolyORBLF-PT-S02J04T08
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 16192.415 | 3600000.00 | 3681132.00 | 244946.90 | 1 1 ? 1 1 1 10 2 ? ? ? 1 1 1 1 10 | 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.r223-smll-177969946400053.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 PolyORBLF-PT-S02J04T08, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r223-smll-177969946400053
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.7M
-rw-r--r-- 1 mcc users 22K Mar 8 15:00 CTLCardinality.txt
-rw-r--r-- 1 mcc users 124K Mar 8 15:00 CTLCardinality.xml
-rw-r--r-- 1 mcc users 19K Mar 8 15:00 CTLFireability.txt
-rw-r--r-- 1 mcc users 115K Mar 8 15:00 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 9.6K Mar 16 08:41 LTLCardinality.txt
-rw-r--r-- 1 mcc users 41K Mar 16 08:41 LTLCardinality.xml
-rw-r--r-- 1 mcc users 15K Mar 16 08:41 LTLFireability.txt
-rw-r--r-- 1 mcc users 62K Mar 16 08:41 LTLFireability.xml
-rw-r--r-- 1 mcc users 29K Mar 8 15:00 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 180K Mar 8 15:00 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 43K Mar 8 15:00 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 232K Mar 8 15:00 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 3.3K Mar 16 08:41 UpperBounds.txt
-rw-r--r-- 1 mcc users 6.6K Mar 16 08:41 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 10 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 717K Mar 3 18:30 model.pnml
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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 PolyORBLF-PT-S02J04T08-UpperBounds-00
FORMULA_NAME PolyORBLF-PT-S02J04T08-UpperBounds-01
FORMULA_NAME PolyORBLF-PT-S02J04T08-UpperBounds-02
FORMULA_NAME PolyORBLF-PT-S02J04T08-UpperBounds-03
FORMULA_NAME PolyORBLF-PT-S02J04T08-UpperBounds-04
FORMULA_NAME PolyORBLF-PT-S02J04T08-UpperBounds-05
FORMULA_NAME PolyORBLF-PT-S02J04T08-UpperBounds-06
FORMULA_NAME PolyORBLF-PT-S02J04T08-UpperBounds-07
FORMULA_NAME PolyORBLF-PT-S02J04T08-UpperBounds-08
FORMULA_NAME PolyORBLF-PT-S02J04T08-UpperBounds-09
FORMULA_NAME PolyORBLF-PT-S02J04T08-UpperBounds-10
FORMULA_NAME PolyORBLF-PT-S02J04T08-UpperBounds-11
FORMULA_NAME PolyORBLF-PT-S02J04T08-UpperBounds-12
FORMULA_NAME PolyORBLF-PT-S02J04T08-UpperBounds-13
FORMULA_NAME PolyORBLF-PT-S02J04T08-UpperBounds-14
FORMULA_NAME PolyORBLF-PT-S02J04T08-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1779817261100
Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=PolyORBLF-PT-S02J04T08
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-26 17:41:03] [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]
[2026-05-26 17:41:03] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-26 17:41:04] [INFO ] Load time of PNML (sax parser for PT used): 337 ms
[2026-05-26 17:41:04] [INFO ] Transformed 614 places.
[2026-05-26 17:41:04] [INFO ] Transformed 1242 transitions.
[2026-05-26 17:41:04] [INFO ] Parsed PT model containing 614 places and 1242 transitions and 5732 arcs in 570 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 16 ms.
Ensure Unique test removed 128 transitions
Reduce redundant transitions removed 128 transitions.
Current structural bounds on expressions (Initially) : Max Seen:[1, 1, 0, 0, 0, 0, 10, 0, 0, 0, 0, 1, 1, 0, 0, 9] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1, 1, 0, 0, 0, 0, 10, 0, 0, 0, 0, 1, 1, 0, 0, 9] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2026-05-26 17:41:04] [INFO ] Flow matrix only has 1098 transitions (discarded 16 similar events)
// Phase 1: matrix 1098 rows 614 cols
[2026-05-26 17:41:04] [INFO ] Computed 50 invariants in 124 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1, 1, 0, 0, 0, 0, 10, 0, 0, 0, 0, 1, 1, 0, 0, 9] Max Struct:[+inf, 75, +inf, 8, 6, +inf, 202, 48, 4, +inf, +inf, +inf, 1, 1, 8, 18]
FORMULA PolyORBLF-PT-S02J04T08-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 10000 steps (3 resets) in 195 ms. (51 steps per ms)
FORMULA PolyORBLF-PT-S02J04T08-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 140010 steps (37 resets) in 1027 ms. (136 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 1, 2, 1, 1, 1, 10, 2, 0, 1, 2, 1, 1, 10] Max Struct:[+inf, 75, +inf, 8, 6, +inf, 202, 48, 4, +inf, +inf, +inf, 8, 18]
[2026-05-26 17:41:05] [INFO ] Flow matrix only has 1098 transitions (discarded 16 similar events)
[2026-05-26 17:41:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 17:41:06] [INFO ] [Real]Absence check using 16 positive place invariants in 44 ms returned sat
[2026-05-26 17:41:06] [INFO ] [Real]Absence check using 16 positive and 34 generalized place invariants in 117 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 17:41:06] [INFO ] [Real]Absence check using 16 positive place invariants in 40 ms returned sat
[2026-05-26 17:41:06] [INFO ] [Real]Absence check using 16 positive and 34 generalized place invariants in 38 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 17:41:07] [INFO ] [Real]Absence check using 16 positive place invariants in 32 ms returned sat
[2026-05-26 17:41:07] [INFO ] [Real]Absence check using 16 positive and 34 generalized place invariants in 48 ms returned sat
[2026-05-26 17:41:08] [INFO ] [Real]Absence check using state equation in 1798 ms returned sat
[2026-05-26 17:41:09] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 17:41:09] [INFO ] [Nat]Absence check using 16 positive place invariants in 26 ms returned sat
[2026-05-26 17:41:09] [INFO ] [Nat]Absence check using 16 positive and 34 generalized place invariants in 49 ms returned sat
[2026-05-26 17:41:10] [INFO ] [Nat]Absence check using state equation in 1348 ms returned sat
[2026-05-26 17:41:10] [INFO ] State equation strengthened by 96 read => feed constraints.
[2026-05-26 17:41:11] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-26 17:41:11] [INFO ] [Nat]Added 96 Read/Feed constraints in 934 ms returned sat
[2026-05-26 17:41:11] [INFO ] Computed and/alt/rep : 728/2582/720 causal constraints (skipped 376 transitions) in 201 ms.
[2026-05-26 17:41:13] [INFO ] Added : 30 causal constraints over 6 iterations in 2160 ms. Result :sat
Minimization took 106 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 17:41:14] [INFO ] [Real]Absence check using 16 positive place invariants in 17 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 17:41:14] [INFO ] [Real]Absence check using 16 positive place invariants in 23 ms returned sat
[2026-05-26 17:41:14] [INFO ] [Real]Absence check using 16 positive and 34 generalized place invariants in 44 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 17:41:14] [INFO ] [Real]Absence check using 16 positive place invariants in 25 ms returned sat
[2026-05-26 17:41:14] [INFO ] [Real]Absence check using 16 positive and 34 generalized place invariants in 24 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 17:41:14] [INFO ] [Real]Absence check using 16 positive place invariants in 21 ms returned sat
[2026-05-26 17:41:14] [INFO ] [Real]Absence check using 16 positive and 34 generalized place invariants in 37 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 17:41:15] [INFO ] [Real]Absence check using 16 positive place invariants in 22 ms returned sat
[2026-05-26 17:41:15] [INFO ] [Real]Absence check using 16 positive and 34 generalized place invariants in 80 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 17:41:15] [INFO ] [Real]Absence check using 16 positive place invariants in 21 ms returned sat
[2026-05-26 17:41:15] [INFO ] [Real]Absence check using 16 positive and 34 generalized place invariants in 48 ms returned sat
[2026-05-26 17:41:16] [INFO ] [Real]Absence check using state equation in 918 ms returned sat
[2026-05-26 17:41:16] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 17:41:16] [INFO ] [Nat]Absence check using 16 positive place invariants in 19 ms returned sat
[2026-05-26 17:41:16] [INFO ] [Nat]Absence check using 16 positive and 34 generalized place invariants in 28 ms returned sat
[2026-05-26 17:41:18] [INFO ] [Nat]Absence check using state equation in 2272 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 17:41:19] [INFO ] [Real]Absence check using 16 positive place invariants in 21 ms returned sat
[2026-05-26 17:41:19] [INFO ] [Real]Absence check using 16 positive and 34 generalized place invariants in 45 ms returned sat
[2026-05-26 17:41:21] [INFO ] [Real]Absence check using state equation in 1967 ms returned sat
[2026-05-26 17:41:21] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 17:41:21] [INFO ] [Nat]Absence check using 16 positive place invariants in 23 ms returned sat
[2026-05-26 17:41:21] [INFO ] [Nat]Absence check using 16 positive and 34 generalized place invariants in 50 ms returned sat
[2026-05-26 17:41:23] [INFO ] [Nat]Absence check using state equation in 2377 ms returned sat
[2026-05-26 17:41:24] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-26 17:41:24] [INFO ] [Nat]Added 96 Read/Feed constraints in 955 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:41:24] [INFO ] Deduced a trap composed of 65 places in 158 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:41:26] [INFO ] Deduced a trap composed of 65 places in 1026 ms of which 161 ms to minimize.
[2026-05-26 17:41:26] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 9
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:871)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 17:41:26] [INFO ] [Real]Absence check using 16 positive place invariants in 22 ms returned sat
[2026-05-26 17:41:26] [INFO ] [Real]Absence check using 16 positive and 34 generalized place invariants in 49 ms returned sat
[2026-05-26 17:41:29] [INFO ] [Real]Absence check using state equation in 2925 ms returned sat
[2026-05-26 17:41:30] [INFO ] [Real]Added 96 Read/Feed constraints in 486 ms returned sat
[2026-05-26 17:41:30] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 17:41:30] [INFO ] [Nat]Absence check using 16 positive place invariants in 22 ms returned sat
[2026-05-26 17:41:30] [INFO ] [Nat]Absence check using 16 positive and 34 generalized place invariants in 42 ms returned sat
[2026-05-26 17:41:31] [INFO ] [Nat]Absence check using state equation in 1446 ms returned sat
[2026-05-26 17:41:32] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-26 17:41:32] [INFO ] [Nat]Added 96 Read/Feed constraints in 1021 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 17:41:33] [INFO ] [Real]Absence check using 16 positive place invariants in 21 ms returned sat
[2026-05-26 17:41:33] [INFO ] [Real]Absence check using 16 positive and 34 generalized place invariants in 45 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 17:41:33] [INFO ] [Real]Absence check using 16 positive place invariants in 22 ms returned sat
[2026-05-26 17:41:33] [INFO ] [Real]Absence check using 16 positive and 34 generalized place invariants in 22 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 17:41:33] [INFO ] [Real]Absence check using 16 positive place invariants in 21 ms returned sat
[2026-05-26 17:41:33] [INFO ] [Real]Absence check using 16 positive and 34 generalized place invariants in 48 ms returned unsat
Current structural bounds on expressions (after SMT) : Max Seen:[1, 1, 2, 1, 1, 1, 10, 2, 0, 1, 2, 1, 1, 10] Max Struct:[1, 1, +inf, 1, 1, 1, 10, 2, 4, +inf, +inf, 1, 1, 10]
FORMULA PolyORBLF-PT-S02J04T08-UpperBounds-15 10 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBLF-PT-S02J04T08-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBLF-PT-S02J04T08-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBLF-PT-S02J04T08-UpperBounds-07 2 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBLF-PT-S02J04T08-UpperBounds-06 10 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBLF-PT-S02J04T08-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBLF-PT-S02J04T08-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBLF-PT-S02J04T08-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBLF-PT-S02J04T08-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBLF-PT-S02J04T08-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 0, 1, 2] Max Struct:[+inf, 4, +inf, +inf]
Support contains 11 out of 614 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 614/614 places, 1114/1114 transitions.
Ensure Unique test removed 2 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 64 transitions
Trivial Post-agglo rules discarded 64 transitions
Performed 64 trivial Post agglomeration. Transition count delta: 64
Iterating post reduction 0 with 66 rules applied. Total rules applied 66 place count 612 transition count 1050
Reduce places removed 64 places and 0 transitions.
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Iterating post reduction 1 with 72 rules applied. Total rules applied 138 place count 548 transition count 1042
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 2 with 8 rules applied. Total rules applied 146 place count 540 transition count 1042
Performed 64 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 64 Pre rules applied. Total rules applied 146 place count 540 transition count 978
Deduced a syphon composed of 64 places in 4 ms
Reduce places removed 64 places and 0 transitions.
Iterating global reduction 3 with 128 rules applied. Total rules applied 274 place count 476 transition count 978
Performed 56 Post agglomeration using F-continuation condition.Transition count delta: 56
Deduced a syphon composed of 56 places in 3 ms
Reduce places removed 56 places and 0 transitions.
Iterating global reduction 3 with 112 rules applied. Total rules applied 386 place count 420 transition count 922
Free-agglomeration rule (complex) applied 8 times.
Iterating global reduction 3 with 8 rules applied. Total rules applied 394 place count 420 transition count 914
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 3 with 8 rules applied. Total rules applied 402 place count 412 transition count 914
Applied a total of 402 rules in 585 ms. Remains 412 /614 variables (removed 202) and now considering 914/1114 (removed 200) transitions.
Running 912 sub problems to find dead transitions.
[2026-05-26 17:41:34] [INFO ] Flow matrix only has 898 transitions (discarded 16 similar events)
// Phase 1: matrix 898 rows 412 cols
[2026-05-26 17:41:34] [INFO ] Computed 48 invariants in 42 ms
[2026-05-26 17:41:34] [INFO ] State equation strengthened by 96 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/410 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 912 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/410 variables, 33/46 constraints. Problems are: Problem set: 0 solved, 912 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:41:49] [INFO ] Deduced a trap composed of 19 places in 249 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:41:50] [INFO ] Deduced a trap composed of 40 places in 96 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:41:50] [INFO ] Deduced a trap composed of 40 places in 64 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:41:50] [INFO ] Deduced a trap composed of 40 places in 64 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:41:50] [INFO ] Deduced a trap composed of 41 places in 56 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:41:50] [INFO ] Deduced a trap composed of 40 places in 63 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:41:50] [INFO ] Deduced a trap composed of 40 places in 70 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:41:52] [INFO ] Deduced a trap composed of 234 places in 755 ms of which 156 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:41:52] [INFO ] Deduced a trap composed of 40 places in 110 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:41:53] [INFO ] Deduced a trap composed of 63 places in 540 ms of which 57 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:41:53] [INFO ] Deduced a trap composed of 127 places in 515 ms of which 76 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:41:54] [INFO ] Deduced a trap composed of 40 places in 63 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:41:54] [INFO ] Deduced a trap composed of 31 places in 373 ms of which 46 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 410/1310 variables, and 59 constraints, problems are : Problem set: 0 solved, 912 unsolved in 20072 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 33/35 constraints, State Equation: 0/412 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 912/912 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 912 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/410 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 912 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/410 variables, 33/46 constraints. Problems are: Problem set: 0 solved, 912 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/410 variables, 13/59 constraints. Problems are: Problem set: 0 solved, 912 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:42:14] [INFO ] Deduced a trap composed of 133 places in 816 ms of which 129 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 410/1310 variables, and 60 constraints, problems are : Problem set: 0 solved, 912 unsolved in 20034 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 33/35 constraints, State Equation: 0/412 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 0/912 constraints, Known Traps: 14/14 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 42017ms problems are : Problem set: 0 solved, 912 unsolved
Search for dead transitions found 0 dead transitions in 42063ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 42694 ms. Remains : 412/614 places, 914/1114 transitions.
[2026-05-26 17:42:16] [INFO ] Flow matrix only has 898 transitions (discarded 16 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
When looking for a positive semi flow solution, solver replied unsat
[2026-05-26 17:47:47] [INFO ] Flow matrix only has 898 transitions (discarded 16 similar events)
[2026-05-26 17:47:47] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2, 0, 1, 2] Max Struct:[+inf, 4, +inf, +inf]
RANDOM walk for 1000000 steps (428 resets) in 5327 ms. (187 steps per ms)
BEST_FIRST walk for 4000003 steps (521 resets) in 9968 ms. (401 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 0, 1, 2] Max Struct:[+inf, 4, +inf, +inf]
[2026-05-26 17:48:02] [INFO ] Flow matrix only has 898 transitions (discarded 16 similar events)
[2026-05-26 17:48:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 17:48:02] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2026-05-26 17:48:02] [INFO ] [Real]Absence check using 13 positive and 35 generalized place invariants in 24 ms returned sat
[2026-05-26 17:48:03] [INFO ] [Real]Absence check using state equation in 678 ms returned sat
[2026-05-26 17:48:03] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 17:48:03] [INFO ] [Nat]Absence check using 13 positive place invariants in 16 ms returned sat
[2026-05-26 17:48:03] [INFO ] [Nat]Absence check using 13 positive and 35 generalized place invariants in 38 ms returned sat
[2026-05-26 17:48:04] [INFO ] [Nat]Absence check using state equation in 1034 ms returned sat
[2026-05-26 17:48:04] [INFO ] State equation strengthened by 96 read => feed constraints.
[2026-05-26 17:48:05] [INFO ] [Nat]Added 96 Read/Feed constraints in 406 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:48:05] [INFO ] Deduced a trap composed of 19 places in 352 ms of which 35 ms to minimize.
[2026-05-26 17:48:05] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 521 ms
[2026-05-26 17:48:05] [INFO ] Computed and/alt/rep : 432/1438/424 causal constraints (skipped 472 transitions) in 118 ms.
[2026-05-26 17:48:08] [INFO ] Added : 75 causal constraints over 15 iterations in 2777 ms. Result :sat
Minimization took 4503 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 17:48:13] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2026-05-26 17:48:13] [INFO ] [Real]Absence check using 13 positive and 35 generalized place invariants in 24 ms returned sat
[2026-05-26 17:48:13] [INFO ] [Real]Absence check using state equation in 791 ms returned sat
[2026-05-26 17:48:13] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 17:48:14] [INFO ] [Nat]Absence check using 13 positive place invariants in 8 ms returned sat
[2026-05-26 17:48:14] [INFO ] [Nat]Absence check using 13 positive and 35 generalized place invariants in 24 ms returned sat
[2026-05-26 17:48:14] [INFO ] [Nat]Absence check using state equation in 746 ms returned sat
[2026-05-26 17:48:15] [INFO ] [Nat]Added 96 Read/Feed constraints in 820 ms returned sat
[2026-05-26 17:48:15] [INFO ] Computed and/alt/rep : 432/1438/424 causal constraints (skipped 472 transitions) in 128 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:48:17] [INFO ] Deduced a trap composed of 40 places in 68 ms of which 4 ms to minimize.
[2026-05-26 17:48:17] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 204 ms
[2026-05-26 17:48:18] [INFO ] Added : 67 causal constraints over 14 iterations in 2395 ms. Result :sat
Minimization took 4535 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 17:48:22] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2026-05-26 17:48:22] [INFO ] [Real]Absence check using 13 positive and 35 generalized place invariants in 24 ms returned sat
[2026-05-26 17:48:23] [INFO ] [Real]Absence check using state equation in 1215 ms returned sat
[2026-05-26 17:48:23] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 17:48:24] [INFO ] [Nat]Absence check using 13 positive place invariants in 9 ms returned sat
[2026-05-26 17:48:24] [INFO ] [Nat]Absence check using 13 positive and 35 generalized place invariants in 27 ms returned sat
[2026-05-26 17:48:26] [INFO ] [Nat]Absence check using state equation in 2737 ms returned sat
[2026-05-26 17:48:27] [INFO ] [Nat]Added 96 Read/Feed constraints in 886 ms returned sat
[2026-05-26 17:48:27] [INFO ] Computed and/alt/rep : 432/1438/424 causal constraints (skipped 472 transitions) in 114 ms.
[2026-05-26 17:48:29] [INFO ] Added : 53 causal constraints over 11 iterations in 1334 ms. Result :sat
Minimization took 4555 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 17:48:33] [INFO ] [Real]Absence check using 13 positive place invariants in 10 ms returned sat
[2026-05-26 17:48:33] [INFO ] [Real]Absence check using 13 positive and 35 generalized place invariants in 42 ms returned sat
[2026-05-26 17:48:34] [INFO ] [Real]Absence check using state equation in 889 ms returned sat
[2026-05-26 17:48:34] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 17:48:34] [INFO ] [Nat]Absence check using 13 positive place invariants in 10 ms returned sat
[2026-05-26 17:48:34] [INFO ] [Nat]Absence check using 13 positive and 35 generalized place invariants in 39 ms returned sat
[2026-05-26 17:48:36] [INFO ] [Nat]Absence check using state equation in 1691 ms returned sat
[2026-05-26 17:48:37] [INFO ] [Nat]Added 96 Read/Feed constraints in 612 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:48:37] [INFO ] Deduced a trap composed of 19 places in 437 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:48:38] [INFO ] Deduced a trap composed of 125 places in 589 ms of which 72 ms to minimize.
[2026-05-26 17:48:38] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1348 ms
[2026-05-26 17:48:38] [INFO ] Computed and/alt/rep : 432/1438/424 causal constraints (skipped 472 transitions) in 110 ms.
[2026-05-26 17:48:40] [INFO ] Added : 53 causal constraints over 11 iterations in 1507 ms. Result :sat
Minimization took 4506 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2, 0, 1, 2] Max Struct:[+inf, 4, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 0, 1, 2] Max Struct:[+inf, 4, +inf, +inf]
Support contains 11 out of 412 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 412/412 places, 914/914 transitions.
Applied a total of 0 rules in 38 ms. Remains 412 /412 variables (removed 0) and now considering 914/914 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 38 ms. Remains : 412/412 places, 914/914 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 412/412 places, 914/914 transitions.
Applied a total of 0 rules in 31 ms. Remains 412 /412 variables (removed 0) and now considering 914/914 (removed 0) transitions.
[2026-05-26 17:48:44] [INFO ] Flow matrix only has 898 transitions (discarded 16 similar events)
[2026-05-26 17:48:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 17:48:47] [INFO ] Implicit Places using invariants in 2741 ms returned [73, 122, 197, 205, 282, 326, 349, 356]
Discarding 8 places :
Implicit Place search using SMT only with invariants took 2754 ms to find 8 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 404/412 places, 914/914 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 399 transition count 909
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 399 transition count 909
Applied a total of 10 rules in 59 ms. Remains 399 /404 variables (removed 5) and now considering 909/914 (removed 5) transitions.
[2026-05-26 17:48:47] [INFO ] Flow matrix only has 893 transitions (discarded 16 similar events)
// Phase 1: matrix 893 rows 399 cols
[2026-05-26 17:48:47] [INFO ] Computed 40 invariants in 18 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 17:48:49] [INFO ] Implicit Places using invariants in 2507 ms returned []
[2026-05-26 17:48:49] [INFO ] Flow matrix only has 893 transitions (discarded 16 similar events)
[2026-05-26 17:48:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 17:48:50] [INFO ] State equation strengthened by 96 read => feed constraints.
[2026-05-26 17:49:00] [INFO ] Implicit Places using invariants and state equation in 10132 ms returned []
Implicit Place search using SMT with State Equation took 12657 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 399/412 places, 909/914 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 15514 ms. Remains : 399/412 places, 909/914 transitions.
[2026-05-26 17:49:00] [INFO ] Flow matrix only has 893 transitions (discarded 16 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
When looking for a positive semi flow solution, solver replied unsat
[2026-05-26 17:49:32] [INFO ] Flow matrix only has 893 transitions (discarded 16 similar events)
[2026-05-26 17:49:32] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2, 0, 1, 2] Max Struct:[308, 4, 8, 28]
RANDOM walk for 1000000 steps (398 resets) in 4481 ms. (223 steps per ms)
BEST_FIRST walk for 4000002 steps (520 resets) in 8393 ms. (476 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 0, 1, 2] Max Struct:[308, 4, 8, 28]
[2026-05-26 17:49:45] [INFO ] Flow matrix only has 893 transitions (discarded 16 similar events)
[2026-05-26 17:49:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 17:49:45] [INFO ] [Real]Absence check using 12 positive place invariants in 14 ms returned sat
[2026-05-26 17:49:45] [INFO ] [Real]Absence check using 12 positive and 28 generalized place invariants in 37 ms returned sat
[2026-05-26 17:49:47] [INFO ] [Real]Absence check using state equation in 1309 ms returned sat
[2026-05-26 17:49:47] [INFO ] State equation strengthened by 96 read => feed constraints.
[2026-05-26 17:49:47] [INFO ] [Real]Added 96 Read/Feed constraints in 104 ms returned sat
[2026-05-26 17:49:47] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 17:49:47] [INFO ] [Nat]Absence check using 12 positive place invariants in 9 ms returned sat
[2026-05-26 17:49:47] [INFO ] [Nat]Absence check using 12 positive and 28 generalized place invariants in 24 ms returned sat
[2026-05-26 17:49:48] [INFO ] [Nat]Absence check using state equation in 777 ms returned sat
[2026-05-26 17:49:48] [INFO ] [Nat]Added 96 Read/Feed constraints in 401 ms returned sat
[2026-05-26 17:49:48] [INFO ] Computed and/alt/rep : 422/1387/414 causal constraints (skipped 477 transitions) in 68 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:49:49] [INFO ] Deduced a trap composed of 40 places in 49 ms of which 3 ms to minimize.
[2026-05-26 17:49:49] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 172 ms
[2026-05-26 17:49:49] [INFO ] Added : 58 causal constraints over 12 iterations in 1145 ms. Result :sat
Minimization took 4502 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 17:49:54] [INFO ] [Real]Absence check using 12 positive place invariants in 9 ms returned sat
[2026-05-26 17:49:54] [INFO ] [Real]Absence check using 12 positive and 28 generalized place invariants in 25 ms returned sat
[2026-05-26 17:49:55] [INFO ] [Real]Absence check using state equation in 504 ms returned sat
[2026-05-26 17:49:55] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 17:49:55] [INFO ] [Nat]Absence check using 12 positive place invariants in 9 ms returned sat
[2026-05-26 17:49:55] [INFO ] [Nat]Absence check using 12 positive and 28 generalized place invariants in 24 ms returned sat
[2026-05-26 17:49:56] [INFO ] [Nat]Absence check using state equation in 1159 ms returned sat
[2026-05-26 17:49:57] [INFO ] [Nat]Added 96 Read/Feed constraints in 1407 ms returned sat
[2026-05-26 17:49:57] [INFO ] Computed and/alt/rep : 422/1387/414 causal constraints (skipped 477 transitions) in 71 ms.
[2026-05-26 17:49:59] [INFO ] Added : 39 causal constraints over 8 iterations in 1467 ms. Result :sat
Minimization took 4502 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 17:50:03] [INFO ] [Real]Absence check using 12 positive place invariants in 10 ms returned sat
[2026-05-26 17:50:03] [INFO ] [Real]Absence check using 12 positive and 28 generalized place invariants in 33 ms returned sat
[2026-05-26 17:50:05] [INFO ] [Real]Absence check using state equation in 2083 ms returned sat
[2026-05-26 17:50:06] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 17:50:06] [INFO ] [Nat]Absence check using 12 positive place invariants in 9 ms returned sat
[2026-05-26 17:50:06] [INFO ] [Nat]Absence check using 12 positive and 28 generalized place invariants in 22 ms returned sat
[2026-05-26 17:50:12] [INFO ] [Nat]Absence check using state equation in 5977 ms returned sat
[2026-05-26 17:50:12] [INFO ] [Nat]Added 96 Read/Feed constraints in 596 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:50:13] [INFO ] Deduced a trap composed of 19 places in 439 ms of which 41 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:50:13] [INFO ] Deduced a trap composed of 40 places in 59 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:50:13] [INFO ] Deduced a trap composed of 40 places in 55 ms of which 3 ms to minimize.
[2026-05-26 17:50:13] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 802 ms
[2026-05-26 17:50:13] [INFO ] Computed and/alt/rep : 422/1387/414 causal constraints (skipped 477 transitions) in 107 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:50:18] [INFO ] Deduced a trap composed of 40 places in 147 ms of which 20 ms to minimize.
[2026-05-26 17:50:23] [INFO ] Trap strengthening (SAT) tested/added 1/1 trap constraints in 4695 ms
Maximisation of solution failed !
Minimization took 0 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 17:50:51] [INFO ] [Real]Absence check using 12 positive place invariants in 11 ms returned sat
[2026-05-26 17:50:51] [INFO ] [Real]Absence check using 12 positive and 28 generalized place invariants in 37 ms returned sat
[2026-05-26 17:50:52] [INFO ] [Real]Absence check using state equation in 1348 ms returned sat
[2026-05-26 17:50:52] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 17:50:52] [INFO ] [Nat]Absence check using 12 positive place invariants in 10 ms returned sat
[2026-05-26 17:50:52] [INFO ] [Nat]Absence check using 12 positive and 28 generalized place invariants in 36 ms returned sat
[2026-05-26 17:50:54] [INFO ] [Nat]Absence check using state equation in 1370 ms returned sat
[2026-05-26 17:50:54] [INFO ] [Nat]Added 96 Read/Feed constraints in 572 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:50:55] [INFO ] Deduced a trap composed of 19 places in 651 ms of which 53 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:50:56] [INFO ] Deduced a trap composed of 125 places in 534 ms of which 75 ms to minimize.
[2026-05-26 17:50:56] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1506 ms
[2026-05-26 17:50:56] [INFO ] Computed and/alt/rep : 422/1387/414 causal constraints (skipped 477 transitions) in 94 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:50:58] [INFO ] Deduced a trap composed of 41 places in 86 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:50:58] [INFO ] Deduced a trap composed of 40 places in 58 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:50:59] [INFO ] Deduced a trap composed of 40 places in 89 ms of which 4 ms to minimize.
[2026-05-26 17:50:59] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 557 ms
[2026-05-26 17:50:59] [INFO ] Added : 103 causal constraints over 21 iterations in 3305 ms. Result :sat
Minimization took 4504 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2, 0, 1, 2] Max Struct:[308, 4, 8, 28]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 0, 1, 2] Max Struct:[308, 4, 8, 28]
Support contains 11 out of 399 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 399/399 places, 909/909 transitions.
Applied a total of 0 rules in 49 ms. Remains 399 /399 variables (removed 0) and now considering 909/909 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 50 ms. Remains : 399/399 places, 909/909 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 399/399 places, 909/909 transitions.
Applied a total of 0 rules in 36 ms. Remains 399 /399 variables (removed 0) and now considering 909/909 (removed 0) transitions.
[2026-05-26 17:51:04] [INFO ] Flow matrix only has 893 transitions (discarded 16 similar events)
[2026-05-26 17:51:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 17:51:06] [INFO ] Implicit Places using invariants in 2395 ms returned []
[2026-05-26 17:51:06] [INFO ] Flow matrix only has 893 transitions (discarded 16 similar events)
[2026-05-26 17:51:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 17:51:07] [INFO ] State equation strengthened by 96 read => feed constraints.
[2026-05-26 17:51:14] [INFO ] Implicit Places using invariants and state equation in 8325 ms returned []
Implicit Place search using SMT with State Equation took 10735 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-26 17:51:14] [INFO ] Redundant transitions in 68 ms returned []
Running 907 sub problems to find dead transitions.
[2026-05-26 17:51:14] [INFO ] Flow matrix only has 893 transitions (discarded 16 similar events)
[2026-05-26 17:51:14] [INFO ] Invariant cache hit.
[2026-05-26 17:51:14] [INFO ] State equation strengthened by 96 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/397 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 907 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/397 variables, 20/32 constraints. Problems are: Problem set: 0 solved, 907 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:51:27] [INFO ] Deduced a trap composed of 19 places in 485 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:51:27] [INFO ] Deduced a trap composed of 40 places in 188 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:51:27] [INFO ] Deduced a trap composed of 40 places in 128 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:51:27] [INFO ] Deduced a trap composed of 40 places in 139 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:51:27] [INFO ] Deduced a trap composed of 41 places in 78 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:51:27] [INFO ] Deduced a trap composed of 41 places in 67 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:51:27] [INFO ] Deduced a trap composed of 41 places in 53 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:51:27] [INFO ] Deduced a trap composed of 40 places in 55 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:51:28] [INFO ] Deduced a trap composed of 40 places in 57 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:51:29] [INFO ] Deduced a trap composed of 63 places in 326 ms of which 48 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:51:30] [INFO ] Deduced a trap composed of 127 places in 485 ms of which 66 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:51:31] [INFO ] Deduced a trap composed of 31 places in 318 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:51:35] [INFO ] Deduced a trap composed of 134 places in 523 ms of which 71 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:51:41] [INFO ] Deduced a trap composed of 109 places in 388 ms of which 62 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/397 variables, 14/46 constraints. Problems are: Problem set: 0 solved, 907 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 397/1292 variables, and 46 constraints, problems are : Problem set: 0 solved, 907 unsolved in 30035 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 20/28 constraints, State Equation: 0/399 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 907/907 constraints, Known Traps: 14/14 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 907 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/397 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 907 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/397 variables, 20/32 constraints. Problems are: Problem set: 0 solved, 907 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/397 variables, 14/46 constraints. Problems are: Problem set: 0 solved, 907 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 397/1292 variables, and 46 constraints, problems are : Problem set: 0 solved, 907 unsolved in 30043 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 20/28 constraints, State Equation: 0/399 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 0/907 constraints, Known Traps: 14/14 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60781ms problems are : Problem set: 0 solved, 907 unsolved
Search for dead transitions found 0 dead transitions in 60786ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 71639 ms. Remains : 399/399 places, 909/909 transitions.
RANDOM walk for 40000 steps (14 resets) in 1639 ms. (24 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (11 resets) in 508 ms. (78 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (17 resets) in 483 ms. (82 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40002 steps (10 resets) in 357 ms. (111 steps per ms) remains 8/8 properties
[2026-05-26 17:52:16] [INFO ] Flatten gal took : 557 ms
BEST_FIRST walk for 40001 steps (10 resets) in 348 ms. (114 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40002 steps (8 resets) in 299 ms. (133 steps per ms) remains 8/8 properties
[2026-05-26 17:52:16] [INFO ] Flatten gal took : 241 ms
BEST_FIRST walk for 40003 steps (8 resets) in 305 ms. (130 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (14 resets) in 292 ms. (136 steps per ms) remains 8/8 properties
[2026-05-26 17:52:17] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7996268963820948198.gal : 95 ms
[2026-05-26 17:52:17] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17427216699645741134.prop : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality7996268963820948198.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17427216699645741134.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40001 steps (10 resets) in 297 ms. (134 steps per ms) remains 8/8 properties
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality17427216699645741134.prop.
SDD proceeding with computation,8 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,8 properties remain. new max is 8
SDD size :9 after 11
SDD proceeding with computation,8 properties remain. new max is 16
SDD size :11 after 13
SDD proceeding with computation,8 properties remain. new max is 32
SDD size :13 after 19
SDD proceeding with computation,8 properties remain. new max is 64
SDD size :19 after 75
SDD proceeding with computation,8 properties remain. new max is 128
SDD size :75 after 253
SDD proceeding with computation,8 properties remain. new max is 256
SDD size :253 after 270
SDD proceeding with computation,8 properties remain. new max is 512
SDD size :270 after 1880
SDD proceeding with computation,8 properties remain. new max is 1024
SDD size :1880 after 2054
SDD proceeding with computation,8 properties remain. new max is 2048
SDD size :2054 after 4430
Interrupted probabilistic random walk after 100113 steps, run timeout after 3001 ms. (steps per millisecond=33 ) properties seen :0 out of 8
Probabilistic random walk after 100113 steps, saw 65281 distinct states, run finished after 3007 ms. (steps per millisecond=33 ) properties seen :0
[2026-05-26 17:52:20] [INFO ] Flow matrix only has 893 transitions (discarded 16 similar events)
[2026-05-26 17:52:20] [INFO ] Invariant cache hit.
[2026-05-26 17:52:20] [INFO ] State equation strengthened by 96 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
SDD proceeding with computation,8 properties remain. new max is 4096
SDD size :4430 after 10342
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 132/143 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:52:20] [INFO ] Deduced a trap composed of 34 places in 117 ms of which 15 ms to minimize.
Problem MAX2 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/143 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/143 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 4 (OVERLAPS) 83/226 variables, 7/9 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/226 variables, 0/9 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 6 (OVERLAPS) 6/232 variables, 3/12 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/232 variables, 0/12 constraints. Problems are: Problem set: 1 solved, 7 unsolved
Problem MAX0 is UNSAT
Problem MAX3 is UNSAT
At refinement iteration 8 (OVERLAPS) 165/397 variables, 28/40 constraints. Problems are: Problem set: 3 solved, 5 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/397 variables, 0/40 constraints. Problems are: Problem set: 3 solved, 5 unsolved
SDD proceeding with computation,8 properties remain. new max is 8192
SDD size :10342 after 22688
At refinement iteration 10 (OVERLAPS) 893/1290 variables, 397/437 constraints. Problems are: Problem set: 3 solved, 5 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1290 variables, 96/533 constraints. Problems are: Problem set: 3 solved, 5 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1290 variables, 0/533 constraints. Problems are: Problem set: 3 solved, 5 unsolved
At refinement iteration 13 (OVERLAPS) 2/1292 variables, 2/535 constraints. Problems are: Problem set: 3 solved, 5 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1292 variables, 1/536 constraints. Problems are: Problem set: 3 solved, 5 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1292 variables, 0/536 constraints. Problems are: Problem set: 3 solved, 5 unsolved
At refinement iteration 16 (OVERLAPS) 0/1292 variables, 0/536 constraints. Problems are: Problem set: 3 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1292/1292 variables, and 536 constraints, problems are : Problem set: 3 solved, 5 unsolved in 3808 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 399/399 constraints, ReadFeed: 96/96 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 3 solved, 5 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 3 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 132/143 variables, 1/1 constraints. Problems are: Problem set: 3 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/143 variables, 1/2 constraints. Problems are: Problem set: 3 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/143 variables, 0/2 constraints. Problems are: Problem set: 3 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 83/226 variables, 7/9 constraints. Problems are: Problem set: 3 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/226 variables, 0/9 constraints. Problems are: Problem set: 3 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 6/232 variables, 3/12 constraints. Problems are: Problem set: 3 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/232 variables, 0/12 constraints. Problems are: Problem set: 3 solved, 5 unsolved
At refinement iteration 8 (OVERLAPS) 165/397 variables, 28/40 constraints. Problems are: Problem set: 3 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:52:24] [INFO ] Deduced a trap composed of 40 places in 176 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:52:24] [INFO ] Deduced a trap composed of 40 places in 155 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:52:24] [INFO ] Deduced a trap composed of 40 places in 125 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:52:24] [INFO ] Deduced a trap composed of 40 places in 84 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:52:24] [INFO ] Deduced a trap composed of 41 places in 52 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:52:25] [INFO ] Deduced a trap composed of 40 places in 53 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:52:25] [INFO ] Deduced a trap composed of 41 places in 52 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/397 variables, 7/47 constraints. Problems are: Problem set: 3 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:52:25] [INFO ] Deduced a trap composed of 41 places in 48 ms of which 3 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/397 variables, 1/48 constraints. Problems are: Problem set: 3 solved, 5 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/397 variables, 0/48 constraints. Problems are: Problem set: 3 solved, 5 unsolved
SDD proceeding with computation,8 properties remain. new max is 16384
SDD size :22688 after 101894
At refinement iteration 12 (OVERLAPS) 893/1290 variables, 397/445 constraints. Problems are: Problem set: 3 solved, 5 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1290 variables, 96/541 constraints. Problems are: Problem set: 3 solved, 5 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1290 variables, 5/546 constraints. Problems are: Problem set: 3 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:52:28] [INFO ] Deduced a trap composed of 140 places in 503 ms of which 77 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/1290 variables, 1/547 constraints. Problems are: Problem set: 3 solved, 5 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1290/1292 variables, and 547 constraints, problems are : Problem set: 3 solved, 5 unsolved in 5009 ms.
Refiners :[Positive P Invariants (semi-flows): 11/12 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 397/399 constraints, ReadFeed: 96/96 constraints, PredecessorRefiner: 5/8 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8839ms problems are : Problem set: 3 solved, 5 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 11 out of 399 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 399/399 places, 909/909 transitions.
Applied a total of 0 rules in 23 ms. Remains 399 /399 variables (removed 0) and now considering 909/909 (removed 0) transitions.
Running 907 sub problems to find dead transitions.
[2026-05-26 17:52:29] [INFO ] Flow matrix only has 893 transitions (discarded 16 similar events)
[2026-05-26 17:52:29] [INFO ] Invariant cache hit.
[2026-05-26 17:52:29] [INFO ] State equation strengthened by 96 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
SDD proceeding with computation,8 properties remain. new max is 32768
SDD size :101894 after 249406
At refinement iteration 0 (INCLUDED_ONLY) 0/397 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 907 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/397 variables, 20/32 constraints. Problems are: Problem set: 0 solved, 907 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:52:38] [INFO ] Deduced a trap composed of 19 places in 228 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:52:38] [INFO ] Deduced a trap composed of 40 places in 106 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:52:39] [INFO ] Deduced a trap composed of 40 places in 77 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:52:39] [INFO ] Deduced a trap composed of 40 places in 70 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:52:39] [INFO ] Deduced a trap composed of 41 places in 59 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:52:39] [INFO ] Deduced a trap composed of 41 places in 126 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:52:39] [INFO ] Deduced a trap composed of 41 places in 138 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:52:39] [INFO ] Deduced a trap composed of 40 places in 45 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:52:39] [INFO ] Deduced a trap composed of 40 places in 47 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:52:40] [INFO ] Deduced a trap composed of 63 places in 406 ms of which 48 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:52:41] [INFO ] Deduced a trap composed of 127 places in 403 ms of which 65 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:52:42] [INFO ] Deduced a trap composed of 31 places in 211 ms of which 26 ms to minimize.
SDD proceeding with computation,8 properties remain. new max is 65536
SDD size :249406 after 514855
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:52:46] [INFO ] Deduced a trap composed of 134 places in 648 ms of which 118 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 397/1292 variables, and 45 constraints, problems are : Problem set: 0 solved, 907 unsolved in 20039 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 20/28 constraints, State Equation: 0/399 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 907/907 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 907 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/397 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 907 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/397 variables, 20/32 constraints. Problems are: Problem set: 0 solved, 907 unsolved
SDD proceeding with computation,8 properties remain. new max is 131072
SDD size :514855 after 1.0929e+06
Detected timeout of ITS tools.
[2026-05-26 17:53:07] [INFO ] Flatten gal took : 84 ms
[2026-05-26 17:53:07] [INFO ] Applying decomposition
[2026-05-26 17:53:07] [INFO ] Flatten gal took : 67 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/graph3120092796168830611.txt' '-o' '/tmp/graph3120092796168830611.bin' '-w' '/tmp/graph3120092796168830611.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph3120092796168830611.bin' '-l' '-1' '-v' '-w' '/tmp/graph3120092796168830611.weights' '-q' '0' '-e' '0.001'
[2026-05-26 17:53:07] [INFO ] Decomposing Gal with order
[2026-05-26 17:53:07] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 17:53:08] [INFO ] Removed a total of 743 redundant transitions.
[2026-05-26 17:53:08] [INFO ] Flatten gal took : 298 ms
[2026-05-26 17:53:08] [INFO ] Fuse similar labels procedure discarded/fused a total of 284 labels/synchronizations in 51 ms.
[2026-05-26 17:53:08] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17503311663280092677.gal : 21 ms
[2026-05-26 17:53:08] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5379538525012279674.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/ReachabilityCardinality17503311663280092677.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5379538525012279674.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/ReachabilityCardinality5379538525012279674.prop.
SDD proceeding with computation,5 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,5 properties remain. new max is 8
SDD size :3 after 6
SDD proceeding with computation,5 properties remain. new max is 16
SDD size :6 after 7
SDD proceeding with computation,5 properties remain. new max is 32
SDD size :7 after 9
SDD proceeding with computation,5 properties remain. new max is 64
SDD size :9 after 25
SDD proceeding with computation,5 properties remain. new max is 128
SDD size :25 after 48
SDD proceeding with computation,5 properties remain. new max is 256
SDD size :48 after 50
SDD proceeding with computation,5 properties remain. new max is 512
SDD size :50 after 476
At refinement iteration 2 (INCLUDED_ONLY) 0/397 variables, 13/45 constraints. Problems are: Problem set: 0 solved, 907 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 397/1292 variables, and 45 constraints, problems are : Problem set: 0 solved, 907 unsolved in 20049 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 20/28 constraints, State Equation: 0/399 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 0/907 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40958ms problems are : Problem set: 0 solved, 907 unsolved
Search for dead transitions found 0 dead transitions in 40963ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40993 ms. Remains : 399/399 places, 909/909 transitions.
SDD proceeding with computation,5 properties remain. new max is 1024
SDD size :476 after 588
RANDOM walk for 40001 steps (19 resets) in 575 ms. (69 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40001 steps (12 resets) in 345 ms. (115 steps per ms) remains 5/5 properties
SDD proceeding with computation,5 properties remain. new max is 2048
SDD size :588 after 1104
BEST_FIRST walk for 40003 steps (9 resets) in 373 ms. (106 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40002 steps (13 resets) in 320 ms. (124 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (8 resets) in 317 ms. (125 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40002 steps (10 resets) in 339 ms. (117 steps per ms) remains 5/5 properties
SDD proceeding with computation,5 properties remain. new max is 4096
SDD size :1104 after 1805
SDD proceeding with computation,5 properties remain. new max is 8192
SDD size :1805 after 4530
Interrupted probabilistic random walk after 135171 steps, run timeout after 3001 ms. (steps per millisecond=45 ) properties seen :0 out of 5
Probabilistic random walk after 135171 steps, saw 87349 distinct states, run finished after 3002 ms. (steps per millisecond=45 ) properties seen :0
[2026-05-26 17:53:13] [INFO ] Flow matrix only has 893 transitions (discarded 16 similar events)
[2026-05-26 17:53:13] [INFO ] Invariant cache hit.
[2026-05-26 17:53:13] [INFO ] State equation strengthened by 96 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 132/143 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/143 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 83/226 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/226 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 6/232 variables, 3/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 165/397 variables, 28/39 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/397 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 5 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 893/1290 variables, 397/436 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1290 variables, 96/532 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1290 variables, 0/532 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 12 (OVERLAPS) 2/1292 variables, 2/534 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1292 variables, 1/535 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1292 variables, 0/535 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 15 (OVERLAPS) 0/1292 variables, 0/535 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1292/1292 variables, and 535 constraints, problems are : Problem set: 0 solved, 5 unsolved in 3032 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 399/399 constraints, ReadFeed: 96/96 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 132/143 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:53:16] [INFO ] Deduced a trap composed of 34 places in 124 ms of which 18 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/143 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/143 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 83/226 variables, 7/9 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/226 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 6/232 variables, 3/12 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/232 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (OVERLAPS) 165/397 variables, 28/40 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:53:17] [INFO ] Deduced a trap composed of 40 places in 525 ms of which 85 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:53:18] [INFO ] Deduced a trap composed of 40 places in 585 ms of which 91 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:53:18] [INFO ] Deduced a trap composed of 41 places in 586 ms of which 86 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:53:19] [INFO ] Deduced a trap composed of 40 places in 549 ms of which 74 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,5 properties remain. new max is 16384
SDD size :4530 after 22978
[2026-05-26 17:53:20] [INFO ] Deduced a trap composed of 40 places in 456 ms of which 70 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:53:20] [INFO ] Deduced a trap composed of 47 places in 423 ms of which 69 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:53:20] [INFO ] Deduced a trap composed of 40 places in 465 ms of which 56 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:53:21] [INFO ] Deduced a trap composed of 41 places in 382 ms of which 56 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:53:21] [INFO ] Deduced a trap composed of 140 places in 463 ms of which 72 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,5 properties remain. new max is 32768
[2026-05-26 17:53:22] [INFO ] Deduced a trap composed of 128 places in 455 ms of which 69 ms to minimize.
SDD size :22978 after 42580
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:53:22] [INFO ] Deduced a trap composed of 132 places in 519 ms of which 111 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/397 variables, 11/51 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:53:23] [INFO ] Deduced a trap composed of 41 places in 66 ms of which 4 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/397 variables, 1/52 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/397 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 5 unsolved
SDD proceeding with computation,5 properties remain. new max is 65536
SDD size :42580 after 90008
At refinement iteration 12 (OVERLAPS) 893/1290 variables, 397/449 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1290 variables, 96/545 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1290 variables, 5/550 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1290 variables, 0/550 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 16 (OVERLAPS) 2/1292 variables, 2/552 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1292 variables, 1/553 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1292 variables, 0/553 constraints. Problems are: Problem set: 0 solved, 5 unsolved
SDD proceeding with computation,5 properties remain. new max is 131072
SDD size :90008 after 325718
At refinement iteration 19 (OVERLAPS) 0/1292 variables, 0/553 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1292/1292 variables, and 553 constraints, problems are : Problem set: 0 solved, 5 unsolved in 41493 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 399/399 constraints, ReadFeed: 96/96 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 44553ms problems are : Problem set: 0 solved, 5 unsolved
Detected timeout of ITS tools.
Parikh walk visited 0 properties in 5966 ms.
Support contains 11 out of 399 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 399/399 places, 909/909 transitions.
Applied a total of 0 rules in 20 ms. Remains 399 /399 variables (removed 0) and now considering 909/909 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 21 ms. Remains : 399/399 places, 909/909 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 399/399 places, 909/909 transitions.
Applied a total of 0 rules in 18 ms. Remains 399 /399 variables (removed 0) and now considering 909/909 (removed 0) transitions.
[2026-05-26 17:54:04] [INFO ] Flow matrix only has 893 transitions (discarded 16 similar events)
[2026-05-26 17:54:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 17:54:06] [INFO ] Implicit Places using invariants in 1977 ms returned []
[2026-05-26 17:54:06] [INFO ] Flow matrix only has 893 transitions (discarded 16 similar events)
[2026-05-26 17:54:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 17:54:06] [INFO ] State equation strengthened by 96 read => feed constraints.
[2026-05-26 17:54:14] [INFO ] Implicit Places using invariants and state equation in 8431 ms returned []
Implicit Place search using SMT with State Equation took 10415 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-26 17:54:14] [INFO ] Redundant transitions in 29 ms returned []
Running 907 sub problems to find dead transitions.
[2026-05-26 17:54:14] [INFO ] Flow matrix only has 893 transitions (discarded 16 similar events)
[2026-05-26 17:54:14] [INFO ] Invariant cache hit.
[2026-05-26 17:54:14] [INFO ] State equation strengthened by 96 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/397 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 907 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/397 variables, 20/32 constraints. Problems are: Problem set: 0 solved, 907 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:54:28] [INFO ] Deduced a trap composed of 19 places in 266 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:54:28] [INFO ] Deduced a trap composed of 40 places in 130 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:54:29] [INFO ] Deduced a trap composed of 40 places in 97 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:54:29] [INFO ] Deduced a trap composed of 40 places in 119 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:54:29] [INFO ] Deduced a trap composed of 41 places in 99 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:54:29] [INFO ] Deduced a trap composed of 41 places in 80 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:54:29] [INFO ] Deduced a trap composed of 41 places in 88 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:54:29] [INFO ] Deduced a trap composed of 40 places in 101 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:54:29] [INFO ] Deduced a trap composed of 40 places in 83 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:54:31] [INFO ] Deduced a trap composed of 63 places in 617 ms of which 81 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:54:32] [INFO ] Deduced a trap composed of 127 places in 610 ms of which 110 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:54:33] [INFO ] Deduced a trap composed of 31 places in 352 ms of which 44 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:54:39] [INFO ] Deduced a trap composed of 134 places in 634 ms of which 115 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 397/1292 variables, and 45 constraints, problems are : Problem set: 0 solved, 907 unsolved in 30041 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 20/28 constraints, State Equation: 0/399 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 907/907 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 907 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/397 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 907 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/397 variables, 20/32 constraints. Problems are: Problem set: 0 solved, 907 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/397 variables, 13/45 constraints. Problems are: Problem set: 0 solved, 907 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:55:12] [INFO ] Deduced a trap composed of 2 places in 463 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:55:13] [INFO ] Deduced a trap composed of 3 places in 580 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:55:14] [INFO ] Deduced a trap composed of 3 places in 511 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:55:14] [INFO ] Deduced a trap composed of 28 places in 452 ms of which 45 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:55:14] [INFO ] Deduced a trap composed of 94 places in 439 ms of which 80 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:55:15] [INFO ] Deduced a trap composed of 132 places in 583 ms of which 123 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 397/1292 variables, and 51 constraints, problems are : Problem set: 0 solved, 907 unsolved in 30030 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 20/28 constraints, State Equation: 0/399 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 0/907 constraints, Known Traps: 19/19 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61165ms problems are : Problem set: 0 solved, 907 unsolved
Search for dead transitions found 0 dead transitions in 61171ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 71645 ms. Remains : 399/399 places, 909/909 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2, 0, 1, 2] Max Struct:[308, 4, 8, 28]
Starting property specific reduction for PolyORBLF-PT-S02J04T08-UpperBounds-02
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:[308]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[308]
[2026-05-26 17:55:15] [INFO ] Flow matrix only has 893 transitions (discarded 16 similar events)
[2026-05-26 17:55:15] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[308]
RANDOM walk for 10000 steps (3 resets) in 50 ms. (196 steps per ms)
BEST_FIRST walk for 10001 steps (3 resets) in 27 ms. (357 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[308]
[2026-05-26 17:55:15] [INFO ] Flow matrix only has 893 transitions (discarded 16 similar events)
[2026-05-26 17:55:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 17:55:16] [INFO ] [Real]Absence check using 12 positive place invariants in 10 ms returned sat
[2026-05-26 17:55:16] [INFO ] [Real]Absence check using 12 positive and 28 generalized place invariants in 28 ms returned sat
[2026-05-26 17:55:17] [INFO ] [Real]Absence check using state equation in 1162 ms returned sat
[2026-05-26 17:55:17] [INFO ] State equation strengthened by 96 read => feed constraints.
[2026-05-26 17:55:17] [INFO ] [Real]Added 96 Read/Feed constraints in 112 ms returned sat
[2026-05-26 17:55:17] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 17:55:17] [INFO ] [Nat]Absence check using 12 positive place invariants in 12 ms returned sat
[2026-05-26 17:55:17] [INFO ] [Nat]Absence check using 12 positive and 28 generalized place invariants in 29 ms returned sat
[2026-05-26 17:55:18] [INFO ] [Nat]Absence check using state equation in 829 ms returned sat
[2026-05-26 17:55:18] [INFO ] [Nat]Added 96 Read/Feed constraints in 408 ms returned sat
[2026-05-26 17:55:19] [INFO ] Computed and/alt/rep : 422/1387/414 causal constraints (skipped 477 transitions) in 97 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:55:20] [INFO ] Deduced a trap composed of 40 places in 57 ms of which 3 ms to minimize.
[2026-05-26 17:55:20] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 172 ms
[2026-05-26 17:55:20] [INFO ] Added : 58 causal constraints over 12 iterations in 1392 ms. Result :sat
Minimization took 537 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[308]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[308]
Support contains 8 out of 399 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 399/399 places, 909/909 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 398 transition count 908
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 398 transition count 908
Applied a total of 2 rules in 45 ms. Remains 398 /399 variables (removed 1) and now considering 908/909 (removed 1) transitions.
Running 906 sub problems to find dead transitions.
[2026-05-26 17:55:20] [INFO ] Flow matrix only has 892 transitions (discarded 16 similar events)
// Phase 1: matrix 892 rows 398 cols
[2026-05-26 17:55:20] [INFO ] Computed 40 invariants in 13 ms
[2026-05-26 17:55:20] [INFO ] State equation strengthened by 96 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/396 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 906 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/396 variables, 25/37 constraints. Problems are: Problem set: 0 solved, 906 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:55:34] [INFO ] Deduced a trap composed of 19 places in 354 ms of which 39 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:55:34] [INFO ] Deduced a trap composed of 40 places in 133 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:55:34] [INFO ] Deduced a trap composed of 40 places in 64 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:55:34] [INFO ] Deduced a trap composed of 41 places in 65 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:55:35] [INFO ] Deduced a trap composed of 40 places in 65 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:55:35] [INFO ] Deduced a trap composed of 40 places in 64 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:55:35] [INFO ] Deduced a trap composed of 41 places in 72 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:55:35] [INFO ] Deduced a trap composed of 40 places in 73 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:55:36] [INFO ] Deduced a trap composed of 34 places in 468 ms of which 44 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:55:36] [INFO ] Deduced a trap composed of 40 places in 484 ms of which 51 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:55:37] [INFO ] Deduced a trap composed of 63 places in 393 ms of which 47 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:55:41] [INFO ] Deduced a trap composed of 127 places in 596 ms of which 114 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:55:41] [INFO ] Deduced a trap composed of 234 places in 425 ms of which 83 ms to minimize.
Error getting values : (error "ParserException while parsing response: ((s0 0.0)
(s1 0.0)
(s2 0.0)
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(s4 0.0)
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(s15 0.0)
(s16 0.0)
(s17 4.0)
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(s21 1.0)
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(s34 0.0)
(s35 0.0)
(s36 0.0)
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(s38 (/ 15.0 2.0))
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(s53 0.0)
(s54 (/ 1.0 3.0))
(s55 0.0)
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(s59 0.0)
(s60 0.0)
(s61 (/ 1.0 2.0))
(s62 0.0)
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(s87 0.0)
(s88 1.0)
(s89 0.0)
(s90 0.0)
(s91 0.0)
(s92 0.0)
(s93 0.0)
(s94 0.0)
(s95 0.0)
(s96 0.0)
(s97 1.0)
(s98 0.0)
(s99 0.0)
(s100 0.0)
(s101 0.0)
(s102 0.0)
(s103 0.0)
(s104 0.0)
(s105 0.0)
(s106 0.0)
(s107 0.0)
(s108 0.0)
(s109 timeout
0.0 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 396/1290 variables, and 50 constraints, problems are : Problem set: 0 solved, 906 unsolved in 20030 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 25/28 constraints, State Equation: 0/398 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 906/906 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 906 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/396 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 906 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/396 variables, 25/37 constraints. Problems are: Problem set: 0 solved, 906 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/396 variables, 13/50 constraints. Problems are: Problem set: 0 solved, 906 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:56:00] [INFO ] Deduced a trap composed of 140 places in 439 ms of which 72 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:56:01] [INFO ] Deduced a trap composed of 147 places in 524 ms of which 70 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:56:01] [INFO ] Deduced a trap composed of 3 places in 445 ms of which 14 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 396/1290 variables, and 53 constraints, problems are : Problem set: 0 solved, 906 unsolved in 20022 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 25/28 constraints, State Equation: 0/398 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 0/906 constraints, Known Traps: 16/16 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41160ms problems are : Problem set: 0 solved, 906 unsolved
Search for dead transitions found 0 dead transitions in 41165ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41215 ms. Remains : 398/399 places, 908/909 transitions.
[2026-05-26 17:56:02] [INFO ] Flow matrix only has 892 transitions (discarded 16 similar events)
[2026-05-26 17:56:02] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[308]
RANDOM walk for 1000000 steps (427 resets) in 4892 ms. (204 steps per ms)
BEST_FIRST walk for 1000001 steps (164 resets) in 2277 ms. (438 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[308]
[2026-05-26 17:56:09] [INFO ] Flow matrix only has 892 transitions (discarded 16 similar events)
[2026-05-26 17:56:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 17:56:09] [INFO ] [Real]Absence check using 12 positive place invariants in 11 ms returned sat
[2026-05-26 17:56:09] [INFO ] [Real]Absence check using 12 positive and 28 generalized place invariants in 36 ms returned sat
[2026-05-26 17:56:10] [INFO ] [Real]Absence check using state equation in 1147 ms returned sat
[2026-05-26 17:56:10] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 17:56:10] [INFO ] [Nat]Absence check using 12 positive place invariants in 11 ms returned sat
[2026-05-26 17:56:10] [INFO ] [Nat]Absence check using 12 positive and 28 generalized place invariants in 32 ms returned sat
[2026-05-26 17:56:11] [INFO ] [Nat]Absence check using state equation in 1115 ms returned sat
[2026-05-26 17:56:11] [INFO ] State equation strengthened by 96 read => feed constraints.
[2026-05-26 17:56:12] [INFO ] [Nat]Added 96 Read/Feed constraints in 339 ms returned sat
[2026-05-26 17:56:12] [INFO ] Computed and/alt/rep : 420/1377/412 causal constraints (skipped 478 transitions) in 104 ms.
[2026-05-26 17:56:13] [INFO ] Added : 34 causal constraints over 7 iterations in 955 ms. Result :sat
Minimization took 4504 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[308]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[308]
Support contains 8 out of 398 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 398/398 places, 908/908 transitions.
Applied a total of 0 rules in 19 ms. Remains 398 /398 variables (removed 0) and now considering 908/908 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 398/398 places, 908/908 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 398/398 places, 908/908 transitions.
Applied a total of 0 rules in 18 ms. Remains 398 /398 variables (removed 0) and now considering 908/908 (removed 0) transitions.
[2026-05-26 17:56:17] [INFO ] Flow matrix only has 892 transitions (discarded 16 similar events)
[2026-05-26 17:56:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 17:56:19] [INFO ] Implicit Places using invariants in 2101 ms returned []
[2026-05-26 17:56:19] [INFO ] Flow matrix only has 892 transitions (discarded 16 similar events)
[2026-05-26 17:56:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 17:56:20] [INFO ] State equation strengthened by 96 read => feed constraints.
[2026-05-26 17:56:30] [INFO ] Implicit Places using invariants and state equation in 10483 ms returned []
Implicit Place search using SMT with State Equation took 12591 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-26 17:56:30] [INFO ] Redundant transitions in 12 ms returned []
Running 906 sub problems to find dead transitions.
[2026-05-26 17:56:30] [INFO ] Flow matrix only has 892 transitions (discarded 16 similar events)
[2026-05-26 17:56:30] [INFO ] Invariant cache hit.
[2026-05-26 17:56:30] [INFO ] State equation strengthened by 96 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/396 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 906 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/396 variables, 25/37 constraints. Problems are: Problem set: 0 solved, 906 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:56:42] [INFO ] Deduced a trap composed of 19 places in 386 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:56:42] [INFO ] Deduced a trap composed of 40 places in 410 ms of which 58 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:56:42] [INFO ] Deduced a trap composed of 31 places in 378 ms of which 44 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:56:43] [INFO ] Deduced a trap composed of 40 places in 87 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:56:43] [INFO ] Deduced a trap composed of 40 places in 81 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:56:43] [INFO ] Deduced a trap composed of 40 places in 89 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:56:43] [INFO ] Deduced a trap composed of 41 places in 127 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:56:43] [INFO ] Deduced a trap composed of 40 places in 132 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:56:43] [INFO ] Deduced a trap composed of 41 places in 75 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:56:44] [INFO ] Deduced a trap composed of 40 places in 66 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:56:44] [INFO ] Deduced a trap composed of 234 places in 683 ms of which 138 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:56:47] [INFO ] Deduced a trap composed of 135 places in 634 ms of which 114 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:56:47] [INFO ] Deduced a trap composed of 127 places in 624 ms of which 101 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:56:49] [INFO ] Deduced a trap composed of 34 places in 382 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:56:50] [INFO ] Deduced a trap composed of 63 places in 396 ms of which 53 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:56:57] [INFO ] Deduced a trap composed of 132 places in 685 ms of which 122 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:56:58] [INFO ] Deduced a trap composed of 147 places in 616 ms of which 121 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:56:59] [INFO ] Deduced a trap composed of 108 places in 562 ms of which 102 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:57:00] [INFO ] Deduced a trap composed of 154 places in 559 ms of which 86 ms to minimize.
Error getting values : (error "ParserException while parsing response: ((s0 0.0)
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(s372 0.0)
(s373 timeout
0.0 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 396/1290 variables, and 56 constraints, problems are : Problem set: 0 solved, 906 unsolved in 30026 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 25/28 constraints, State Equation: 0/398 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 906/906 constraints, Known Traps: 19/19 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 906 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/396 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 906 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/396 variables, 25/37 constraints. Problems are: Problem set: 0 solved, 906 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/396 variables, 19/56 constraints. Problems are: Problem set: 0 solved, 906 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 396/1290 variables, and 56 constraints, problems are : Problem set: 0 solved, 906 unsolved in 30035 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 25/28 constraints, State Equation: 0/398 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 0/906 constraints, Known Traps: 19/19 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60974ms problems are : Problem set: 0 solved, 906 unsolved
Search for dead transitions found 0 dead transitions in 60978ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 73608 ms. Remains : 398/398 places, 908/908 transitions.
[2026-05-26 17:57:31] [INFO ] Flatten gal took : 136 ms
[2026-05-26 17:57:31] [INFO ] Flatten gal took : 72 ms
[2026-05-26 17:57:31] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9286118283013914997.gal : 23 ms
[2026-05-26 17:57:31] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15489497146339622330.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/ReachabilityCardinality9286118283013914997.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15489497146339622330.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
RANDOM walk for 40000 steps (16 resets) in 640 ms. (62 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (11 resets) in 517 ms. (77 steps per ms) remains 2/2 properties
Loading property file /tmp/ReachabilityCardinality15489497146339622330.prop.
BEST_FIRST walk for 40001 steps (14 resets) in 427 ms. (93 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :9 after 11
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :11 after 13
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :13 after 19
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :19 after 75
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :75 after 253
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :253 after 270
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :270 after 2060
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :2060 after 2234
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :2234 after 4610
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :4610 after 11390
Interrupted probabilistic random walk after 149428 steps, run timeout after 3001 ms. (steps per millisecond=49 ) properties seen :0 out of 2
Probabilistic random walk after 149428 steps, saw 94759 distinct states, run finished after 3001 ms. (steps per millisecond=49 ) properties seen :0
[2026-05-26 17:57:34] [INFO ] Flow matrix only has 892 transitions (discarded 16 similar events)
[2026-05-26 17:57:34] [INFO ] Invariant cache hit.
[2026-05-26 17:57:34] [INFO ] State equation strengthened by 96 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem MAX0 is UNSAT
At refinement iteration 1 (OVERLAPS) 343/351 variables, 16/16 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/351 variables, 0/16 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 18/369 variables, 10/26 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/369 variables, 0/26 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 26/395 variables, 12/38 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:57:35] [INFO ] Deduced a trap composed of 40 places in 219 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:57:35] [INFO ] Deduced a trap composed of 40 places in 231 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:57:35] [INFO ] Deduced a trap composed of 40 places in 211 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:57:36] [INFO ] Deduced a trap composed of 40 places in 150 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:57:36] [INFO ] Deduced a trap composed of 41 places in 87 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:57:36] [INFO ] Deduced a trap composed of 41 places in 54 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/395 variables, 6/44 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/395 variables, 0/44 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/396 variables, 1/45 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/396 variables, 0/45 constraints. Problems are: Problem set: 1 solved, 1 unsolved
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :11390 after 18611
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1288/1290 variables, and 441 constraints, problems are : Problem set: 1 solved, 1 unsolved in 2696 ms.
Refiners :[Positive P Invariants (semi-flows): 11/12 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 396/398 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 343/351 variables, 16/16 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/351 variables, 0/16 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 18/369 variables, 10/26 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/369 variables, 0/26 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 26/395 variables, 12/38 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/395 variables, 6/44 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:57:37] [INFO ] Deduced a trap composed of 40 places in 47 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/395 variables, 1/45 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/395 variables, 0/45 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 1/396 variables, 1/46 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/396 variables, 0/46 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1288/1290 variables, and 442 constraints, problems are : Problem set: 1 solved, 1 unsolved in 1660 ms.
Refiners :[Positive P Invariants (semi-flows): 11/12 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 396/398 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 0/2 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4369ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 31 ms.
Support contains 8 out of 398 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 398/398 places, 908/908 transitions.
Applied a total of 0 rules in 18 ms. Remains 398 /398 variables (removed 0) and now considering 908/908 (removed 0) transitions.
Running 906 sub problems to find dead transitions.
[2026-05-26 17:57:39] [INFO ] Flow matrix only has 892 transitions (discarded 16 similar events)
[2026-05-26 17:57:39] [INFO ] Invariant cache hit.
[2026-05-26 17:57:39] [INFO ] State equation strengthened by 96 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :18611 after 127504
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :127504 after 331534
At refinement iteration 0 (INCLUDED_ONLY) 0/396 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 906 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/396 variables, 25/37 constraints. Problems are: Problem set: 0 solved, 906 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:57:52] [INFO ] Deduced a trap composed of 19 places in 265 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:57:52] [INFO ] Deduced a trap composed of 40 places in 253 ms of which 38 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:57:53] [INFO ] Deduced a trap composed of 31 places in 254 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:57:53] [INFO ] Deduced a trap composed of 40 places in 82 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:57:53] [INFO ] Deduced a trap composed of 40 places in 54 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:57:53] [INFO ] Deduced a trap composed of 40 places in 71 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:57:53] [INFO ] Deduced a trap composed of 41 places in 85 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:57:53] [INFO ] Deduced a trap composed of 40 places in 87 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:57:54] [INFO ] Deduced a trap composed of 41 places in 59 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:57:54] [INFO ] Deduced a trap composed of 40 places in 52 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:57:54] [INFO ] Deduced a trap composed of 234 places in 502 ms of which 82 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:57:57] [INFO ] Deduced a trap composed of 135 places in 406 ms of which 67 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:57:57] [INFO ] Deduced a trap composed of 127 places in 428 ms of which 69 ms to minimize.
SDD proceeding with computation,2 properties remain. new max is 65536
SDD size :331534 after 711620
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:58:00] [INFO ] Deduced a trap composed of 34 places in 545 ms of which 36 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 396/1290 variables, and 51 constraints, problems are : Problem set: 0 solved, 906 unsolved in 20029 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 25/28 constraints, State Equation: 0/398 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 906/906 constraints, Known Traps: 14/14 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 906 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/396 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 906 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/396 variables, 25/37 constraints. Problems are: Problem set: 0 solved, 906 unsolved
SDD proceeding with computation,2 properties remain. new max is 131072
SDD size :711620 after 1.52159e+06
At refinement iteration 2 (INCLUDED_ONLY) 0/396 variables, 14/51 constraints. Problems are: Problem set: 0 solved, 906 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 396/1290 variables, and 51 constraints, problems are : Problem set: 0 solved, 906 unsolved in 20027 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 25/28 constraints, State Equation: 0/398 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 0/906 constraints, Known Traps: 14/14 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40895ms problems are : Problem set: 0 solved, 906 unsolved
Search for dead transitions found 0 dead transitions in 40898ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40919 ms. Remains : 398/398 places, 908/908 transitions.
RANDOM walk for 40000 steps (21 resets) in 256 ms. (155 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (11 resets) in 130 ms. (305 steps per ms) remains 1/1 properties
Detected timeout of ITS tools.
[2026-05-26 17:58:21] [INFO ] Flatten gal took : 77 ms
[2026-05-26 17:58:21] [INFO ] Applying decomposition
[2026-05-26 17:58:21] [INFO ] Flatten gal took : 76 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/graph14847832634097184582.txt' '-o' '/tmp/graph14847832634097184582.bin' '-w' '/tmp/graph14847832634097184582.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph14847832634097184582.bin' '-l' '-1' '-v' '-w' '/tmp/graph14847832634097184582.weights' '-q' '0' '-e' '0.001'
[2026-05-26 17:58:22] [INFO ] Decomposing Gal with order
[2026-05-26 17:58:22] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 17:58:22] [INFO ] Removed a total of 647 redundant transitions.
[2026-05-26 17:58:22] [INFO ] Flatten gal took : 150 ms
[2026-05-26 17:58:22] [INFO ] Fuse similar labels procedure discarded/fused a total of 334 labels/synchronizations in 37 ms.
[2026-05-26 17:58:22] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15920817671272202594.gal : 21 ms
[2026-05-26 17:58:22] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality112589184904445933.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/ReachabilityCardinality15920817671272202594.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality112589184904445933.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality112589184904445933.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :3 after 5
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :5 after 6
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :6 after 9
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :9 after 15
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :15 after 43
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :43 after 50
Interrupted probabilistic random walk after 206027 steps, run timeout after 3001 ms. (steps per millisecond=68 ) properties seen :0 out of 1
Probabilistic random walk after 206027 steps, saw 128470 distinct states, run finished after 3001 ms. (steps per millisecond=68 ) properties seen :0
[2026-05-26 17:58:23] [INFO ] Flow matrix only has 892 transitions (discarded 16 similar events)
[2026-05-26 17:58:23] [INFO ] Invariant cache hit.
[2026-05-26 17:58:23] [INFO ] State equation strengthened by 96 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 343/351 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/351 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 18/369 variables, 10/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/369 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 26/395 variables, 12/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/395 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1/396 variables, 1/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/396 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :50 after 351
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :351 after 897
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :897 after 1366
At refinement iteration 9 (OVERLAPS) 892/1288 variables, 396/435 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1288 variables, 96/531 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1288 variables, 0/531 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 2/1290 variables, 2/533 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1290 variables, 1/534 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1290 variables, 0/534 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/1290 variables, 0/534 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1290/1290 variables, and 534 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1624 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 398/398 constraints, ReadFeed: 96/96 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) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :1366 after 2024
At refinement iteration 1 (OVERLAPS) 343/351 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/351 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 18/369 variables, 10/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/369 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 26/395 variables, 12/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:58:25] [INFO ] Deduced a trap composed of 40 places in 200 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:58:25] [INFO ] Deduced a trap composed of 40 places in 153 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:58:25] [INFO ] Deduced a trap composed of 40 places in 121 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:58:25] [INFO ] Deduced a trap composed of 41 places in 79 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:58:25] [INFO ] Deduced a trap composed of 40 places in 57 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/395 variables, 5/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/395 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/396 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/396 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :2024 after 8538
At refinement iteration 10 (OVERLAPS) 892/1288 variables, 396/440 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1288 variables, 96/536 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1288 variables, 1/537 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1288 variables, 0/537 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 2/1290 variables, 2/539 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1290 variables, 1/540 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1290 variables, 0/540 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 0/1290 variables, 0/540 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1290/1290 variables, and 540 constraints, problems are : Problem set: 0 solved, 1 unsolved in 3337 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 398/398 constraints, ReadFeed: 96/96 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4972ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 35 ms.
Support contains 8 out of 398 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 398/398 places, 908/908 transitions.
Applied a total of 0 rules in 18 ms. Remains 398 /398 variables (removed 0) and now considering 908/908 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 398/398 places, 908/908 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 398/398 places, 908/908 transitions.
Applied a total of 0 rules in 18 ms. Remains 398 /398 variables (removed 0) and now considering 908/908 (removed 0) transitions.
[2026-05-26 17:58:28] [INFO ] Flow matrix only has 892 transitions (discarded 16 similar events)
[2026-05-26 17:58:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 17:58:30] [INFO ] Implicit Places using invariants in 2136 ms returned []
[2026-05-26 17:58:30] [INFO ] Flow matrix only has 892 transitions (discarded 16 similar events)
[2026-05-26 17:58:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 17:58:31] [INFO ] State equation strengthened by 96 read => feed constraints.
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :8538 after 33888
[2026-05-26 17:58:40] [INFO ] Implicit Places using invariants and state equation in 10207 ms returned []
Implicit Place search using SMT with State Equation took 12347 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-26 17:58:40] [INFO ] Redundant transitions in 13 ms returned []
Running 906 sub problems to find dead transitions.
[2026-05-26 17:58:40] [INFO ] Flow matrix only has 892 transitions (discarded 16 similar events)
[2026-05-26 17:58:40] [INFO ] Invariant cache hit.
[2026-05-26 17:58:40] [INFO ] State equation strengthened by 96 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 32768
SDD size :33888 after 107676
At refinement iteration 0 (INCLUDED_ONLY) 0/396 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 906 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/396 variables, 25/37 constraints. Problems are: Problem set: 0 solved, 906 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:58:51] [INFO ] Deduced a trap composed of 19 places in 397 ms of which 39 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:58:51] [INFO ] Deduced a trap composed of 40 places in 278 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:58:52] [INFO ] Deduced a trap composed of 31 places in 345 ms of which 45 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:58:52] [INFO ] Deduced a trap composed of 40 places in 98 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:58:52] [INFO ] Deduced a trap composed of 40 places in 65 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:58:52] [INFO ] Deduced a trap composed of 40 places in 64 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:58:52] [INFO ] Deduced a trap composed of 41 places in 114 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:58:52] [INFO ] Deduced a trap composed of 40 places in 104 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:58:53] [INFO ] Deduced a trap composed of 41 places in 70 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:58:53] [INFO ] Deduced a trap composed of 40 places in 67 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:58:54] [INFO ] Deduced a trap composed of 234 places in 674 ms of which 137 ms to minimize.
SDD proceeding with computation,1 properties remain. new max is 65536
SDD size :107676 after 220112
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:58:56] [INFO ] Deduced a trap composed of 135 places in 626 ms of which 112 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:58:56] [INFO ] Deduced a trap composed of 127 places in 331 ms of which 64 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:58:59] [INFO ] Deduced a trap composed of 34 places in 550 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:58:59] [INFO ] Deduced a trap composed of 63 places in 565 ms of which 77 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:59:06] [INFO ] Deduced a trap composed of 132 places in 671 ms of which 117 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:59:07] [INFO ] Deduced a trap composed of 147 places in 632 ms of which 119 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:59:09] [INFO ] Deduced a trap composed of 108 places in 566 ms of which 77 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:59:09] [INFO ] Deduced a trap composed of 154 places in 341 ms of which 49 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 396/1290 variables, and 56 constraints, problems are : Problem set: 0 solved, 906 unsolved in 30032 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 25/28 constraints, State Equation: 0/398 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 906/906 constraints, Known Traps: 19/19 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 906 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/396 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 906 unsolved
Detected timeout of ITS tools.
At refinement iteration 1 (INCLUDED_ONLY) 0/396 variables, 25/37 constraints. Problems are: Problem set: 0 solved, 906 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/396 variables, 19/56 constraints. Problems are: Problem set: 0 solved, 906 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 396/1290 variables, and 56 constraints, problems are : Problem set: 0 solved, 906 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 25/28 constraints, State Equation: 0/398 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 0/906 constraints, Known Traps: 19/19 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60869ms problems are : Problem set: 0 solved, 906 unsolved
Search for dead transitions found 0 dead transitions in 60872ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 73265 ms. Remains : 398/398 places, 908/908 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[308]
Ending property specific reduction for PolyORBLF-PT-S02J04T08-UpperBounds-02 in 265813 ms.
Starting property specific reduction for PolyORBLF-PT-S02J04T08-UpperBounds-08
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:[4]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[4]
[2026-05-26 17:59:41] [INFO ] Flow matrix only has 893 transitions (discarded 16 similar events)
// Phase 1: matrix 893 rows 399 cols
[2026-05-26 17:59:41] [INFO ] Computed 40 invariants in 14 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[4]
RANDOM walk for 10000 steps (3 resets) in 48 ms. (204 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 21 ms. (454 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[4]
[2026-05-26 17:59:41] [INFO ] Flow matrix only has 893 transitions (discarded 16 similar events)
[2026-05-26 17:59:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 17:59:41] [INFO ] [Real]Absence check using 12 positive place invariants in 13 ms returned sat
[2026-05-26 17:59:41] [INFO ] [Real]Absence check using 12 positive and 28 generalized place invariants in 36 ms returned sat
[2026-05-26 17:59:42] [INFO ] [Real]Absence check using state equation in 690 ms returned sat
[2026-05-26 17:59:42] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 17:59:42] [INFO ] [Nat]Absence check using 12 positive place invariants in 9 ms returned sat
[2026-05-26 17:59:42] [INFO ] [Nat]Absence check using 12 positive and 28 generalized place invariants in 24 ms returned sat
[2026-05-26 17:59:43] [INFO ] [Nat]Absence check using state equation in 1045 ms returned sat
[2026-05-26 17:59:43] [INFO ] State equation strengthened by 96 read => feed constraints.
[2026-05-26 17:59:44] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-26 17:59:44] [INFO ] [Nat]Added 96 Read/Feed constraints in 580 ms returned sat
[2026-05-26 17:59:44] [INFO ] Computed and/alt/rep : 422/1387/414 causal constraints (skipped 477 transitions) in 94 ms.
[2026-05-26 17:59:45] [INFO ] Added : 15 causal constraints over 3 iterations in 992 ms. Result :sat
Minimization took 537 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[4]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[4]
Support contains 1 out of 399 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 399/399 places, 909/909 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 398 transition count 908
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 398 transition count 908
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Deduced a syphon composed of 8 places in 1 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 0 with 16 rules applied. Total rules applied 18 place count 390 transition count 900
Free-agglomeration rule (complex) applied 8 times.
Iterating global reduction 0 with 8 rules applied. Total rules applied 26 place count 390 transition count 892
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 34 place count 382 transition count 892
Applied a total of 34 rules in 92 ms. Remains 382 /399 variables (removed 17) and now considering 892/909 (removed 17) transitions.
Running 890 sub problems to find dead transitions.
[2026-05-26 17:59:46] [INFO ] Flow matrix only has 876 transitions (discarded 16 similar events)
// Phase 1: matrix 876 rows 382 cols
[2026-05-26 17:59:46] [INFO ] Computed 40 invariants in 13 ms
[2026-05-26 17:59:46] [INFO ] State equation strengthened by 96 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/380 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 890 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/380 variables, 24/38 constraints. Problems are: Problem set: 0 solved, 890 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:00:00] [INFO ] Deduced a trap composed of 31 places in 283 ms of which 53 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:00:00] [INFO ] Deduced a trap composed of 19 places in 299 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:00:00] [INFO ] Deduced a trap composed of 38 places in 159 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:00:00] [INFO ] Deduced a trap composed of 38 places in 106 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:00:00] [INFO ] Deduced a trap composed of 38 places in 54 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:00:00] [INFO ] Deduced a trap composed of 39 places in 54 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:00:01] [INFO ] Deduced a trap composed of 34 places in 438 ms of which 45 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:00:02] [INFO ] Deduced a trap composed of 39 places in 411 ms of which 46 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:00:02] [INFO ] Deduced a trap composed of 38 places in 461 ms of which 44 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:00:03] [INFO ] Deduced a trap composed of 63 places in 475 ms of which 42 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:00:03] [INFO ] Deduced a trap composed of 38 places in 94 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:00:03] [INFO ] Deduced a trap composed of 38 places in 63 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:00:04] [INFO ] Deduced a trap composed of 125 places in 529 ms of which 76 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:00:06] [INFO ] Deduced a trap composed of 218 places in 482 ms of which 79 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:00:07] [INFO ] Deduced a trap composed of 127 places in 550 ms of which 99 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 380/1258 variables, and 53 constraints, problems are : Problem set: 0 solved, 890 unsolved in 20020 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 24/26 constraints, State Equation: 0/382 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 890/890 constraints, Known Traps: 15/15 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 890 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/380 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 890 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/380 variables, 24/38 constraints. Problems are: Problem set: 0 solved, 890 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/380 variables, 15/53 constraints. Problems are: Problem set: 0 solved, 890 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 380/1258 variables, and 53 constraints, problems are : Problem set: 0 solved, 890 unsolved in 20038 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 24/26 constraints, State Equation: 0/382 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 0/890 constraints, Known Traps: 15/15 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41329ms problems are : Problem set: 0 solved, 890 unsolved
Search for dead transitions found 0 dead transitions in 41334ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41430 ms. Remains : 382/399 places, 892/909 transitions.
[2026-05-26 18:00:27] [INFO ] Flow matrix only has 876 transitions (discarded 16 similar events)
[2026-05-26 18:00:27] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[4]
RANDOM walk for 1000000 steps (433 resets) in 5169 ms. (193 steps per ms)
BEST_FIRST walk for 1000001 steps (189 resets) in 2367 ms. (422 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[4]
[2026-05-26 18:00:34] [INFO ] Flow matrix only has 876 transitions (discarded 16 similar events)
[2026-05-26 18:00:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 18:00:35] [INFO ] [Real]Absence check using 14 positive place invariants in 13 ms returned sat
[2026-05-26 18:00:35] [INFO ] [Real]Absence check using 14 positive and 26 generalized place invariants in 37 ms returned sat
[2026-05-26 18:00:36] [INFO ] [Real]Absence check using state equation in 904 ms returned sat
[2026-05-26 18:00:36] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 18:00:36] [INFO ] [Nat]Absence check using 14 positive place invariants in 12 ms returned sat
[2026-05-26 18:00:36] [INFO ] [Nat]Absence check using 14 positive and 26 generalized place invariants in 34 ms returned sat
[2026-05-26 18:00:40] [INFO ] [Nat]Absence check using state equation in 3969 ms returned sat
[2026-05-26 18:00:40] [INFO ] State equation strengthened by 96 read => feed constraints.
[2026-05-26 18:00:41] [INFO ] [Nat]Added 96 Read/Feed constraints in 1449 ms returned sat
[2026-05-26 18:00:41] [INFO ] Computed and/alt/rep : 356/1241/348 causal constraints (skipped 526 transitions) in 74 ms.
[2026-05-26 18:00:42] [INFO ] Added : 28 causal constraints over 6 iterations in 607 ms. Result :sat
Minimization took 4533 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[4]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[4]
Support contains 1 out of 382 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 382/382 places, 892/892 transitions.
Applied a total of 0 rules in 18 ms. Remains 382 /382 variables (removed 0) and now considering 892/892 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 382/382 places, 892/892 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 382/382 places, 892/892 transitions.
Applied a total of 0 rules in 21 ms. Remains 382 /382 variables (removed 0) and now considering 892/892 (removed 0) transitions.
[2026-05-26 18:00:46] [INFO ] Flow matrix only has 876 transitions (discarded 16 similar events)
[2026-05-26 18:00:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 18:00:48] [INFO ] Implicit Places using invariants in 2004 ms returned []
[2026-05-26 18:00:48] [INFO ] Flow matrix only has 876 transitions (discarded 16 similar events)
[2026-05-26 18:00:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 18:00:49] [INFO ] State equation strengthened by 96 read => feed constraints.
[2026-05-26 18:00:58] [INFO ] Implicit Places using invariants and state equation in 9856 ms returned []
Implicit Place search using SMT with State Equation took 11868 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-26 18:00:58] [INFO ] Redundant transitions in 12 ms returned []
Running 890 sub problems to find dead transitions.
[2026-05-26 18:00:58] [INFO ] Flow matrix only has 876 transitions (discarded 16 similar events)
[2026-05-26 18:00:58] [INFO ] Invariant cache hit.
[2026-05-26 18:00:58] [INFO ] State equation strengthened by 96 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/380 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 890 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/380 variables, 24/38 constraints. Problems are: Problem set: 0 solved, 890 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:01:12] [INFO ] Deduced a trap composed of 19 places in 206 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:01:12] [INFO ] Deduced a trap composed of 38 places in 116 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:01:12] [INFO ] Deduced a trap composed of 38 places in 117 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:01:12] [INFO ] Deduced a trap composed of 38 places in 115 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:01:12] [INFO ] Deduced a trap composed of 39 places in 49 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:01:13] [INFO ] Deduced a trap composed of 39 places in 52 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:01:13] [INFO ] Deduced a trap composed of 38 places in 57 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:01:13] [INFO ] Deduced a trap composed of 38 places in 59 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:01:13] [INFO ] Deduced a trap composed of 38 places in 56 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:01:13] [INFO ] Deduced a trap composed of 63 places in 463 ms of which 48 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:01:15] [INFO ] Deduced a trap composed of 134 places in 596 ms of which 85 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:01:17] [INFO ] Deduced a trap composed of 127 places in 614 ms of which 103 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:01:18] [INFO ] Deduced a trap composed of 218 places in 595 ms of which 125 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:01:24] [INFO ] Deduced a trap composed of 125 places in 658 ms of which 97 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:01:25] [INFO ] Deduced a trap composed of 140 places in 607 ms of which 99 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:01:27] [INFO ] Deduced a trap composed of 133 places in 997 ms of which 63 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:01:28] [INFO ] Deduced a trap composed of 31 places in 167 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:01:28] [INFO ] Deduced a trap composed of 108 places in 555 ms of which 92 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 380/1258 variables, and 56 constraints, problems are : Problem set: 0 solved, 890 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 24/26 constraints, State Equation: 0/382 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 890/890 constraints, Known Traps: 18/18 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 890 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/380 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 890 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/380 variables, 24/38 constraints. Problems are: Problem set: 0 solved, 890 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/380 variables, 18/56 constraints. Problems are: Problem set: 0 solved, 890 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 380/1258 variables, and 56 constraints, problems are : Problem set: 0 solved, 890 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 24/26 constraints, State Equation: 0/382 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 0/890 constraints, Known Traps: 18/18 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61160ms problems are : Problem set: 0 solved, 890 unsolved
Search for dead transitions found 0 dead transitions in 61162ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 73074 ms. Remains : 382/382 places, 892/892 transitions.
[2026-05-26 18:01:59] [INFO ] Flatten gal took : 55 ms
[2026-05-26 18:02:00] [INFO ] Flatten gal took : 55 ms
[2026-05-26 18:02:00] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14441033577060001150.gal : 9 ms
[2026-05-26 18:02:00] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6707644755805049043.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/ReachabilityCardinality14441033577060001150.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6707644755805049043.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
RANDOM walk for 40000 steps (28 resets) in 588 ms. (67 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (11 resets) in 294 ms. (135 steps per ms) remains 2/2 properties
Loading property file /tmp/ReachabilityCardinality6707644755805049043.prop.
BEST_FIRST walk for 40003 steps (14 resets) in 362 ms. (110 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 12
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :12 after 17
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :17 after 23
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :23 after 28
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :28 after 70
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :70 after 270
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :270 after 850
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :850 after 1940
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :1940 after 10340
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :10340 after 15110
Interrupted probabilistic random walk after 159252 steps, run timeout after 3001 ms. (steps per millisecond=53 ) properties seen :0 out of 2
Probabilistic random walk after 159252 steps, saw 100981 distinct states, run finished after 3001 ms. (steps per millisecond=53 ) properties seen :0
[2026-05-26 18:02:03] [INFO ] Flow matrix only has 876 transitions (discarded 16 similar events)
[2026-05-26 18:02:03] [INFO ] Invariant cache hit.
[2026-05-26 18:02:03] [INFO ] State equation strengthened by 96 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, 2 unsolved
At refinement iteration 1 (OVERLAPS) 277/278 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/278 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 21/299 variables, 6/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/299 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 8/307 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :15110 after 17426
At refinement iteration 6 (INCLUDED_ONLY) 0/307 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 69/376 variables, 21/35 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:02:04] [INFO ] Deduced a trap composed of 38 places in 299 ms of which 43 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:02:04] [INFO ] Deduced a trap composed of 38 places in 241 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:02:04] [INFO ] Deduced a trap composed of 38 places in 181 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:02:04] [INFO ] Deduced a trap composed of 38 places in 167 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:02:05] [INFO ] Deduced a trap composed of 39 places in 101 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:02:05] [INFO ] Deduced a trap composed of 39 places in 67 ms of which 4 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 6/41 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 3/379 variables, 3/44 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/379 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 1/380 variables, 1/45 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/380 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 876/1256 variables, 380/425 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :17426 after 25590
At refinement iteration 15 (INCLUDED_ONLY) 0/1256 variables, 96/521 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:02:07] [INFO ] Deduced a trap composed of 140 places in 497 ms of which 103 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/1256 variables, 1/522 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1256 variables, 0/522 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 18 (OVERLAPS) 2/1258 variables, 2/524 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1258 variables, 1/525 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1258 variables, 0/525 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 0/1258 variables, 0/525 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1258/1258 variables, and 525 constraints, problems are : Problem set: 0 solved, 2 unsolved in 4410 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 382/382 constraints, ReadFeed: 96/96 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 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, 2 unsolved
At refinement iteration 1 (OVERLAPS) 277/278 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/278 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 21/299 variables, 6/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/299 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 8/307 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/307 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 69/376 variables, 21/35 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 7/42 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:02:08] [INFO ] Deduced a trap composed of 38 places in 81 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 1/43 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/376 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 3/379 variables, 3/46 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/379 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 1/380 variables, 1/47 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/380 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 876/1256 variables, 380/427 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1256/1258 variables, and 523 constraints, problems are : Problem set: 0 solved, 2 unsolved in 2742 ms.
Refiners :[Positive P Invariants (semi-flows): 13/14 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 380/382 constraints, ReadFeed: 96/96 constraints, PredecessorRefiner: 0/2 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 7178ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 152 ms.
Support contains 1 out of 382 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 382/382 places, 892/892 transitions.
Applied a total of 0 rules in 26 ms. Remains 382 /382 variables (removed 0) and now considering 892/892 (removed 0) transitions.
Running 890 sub problems to find dead transitions.
[2026-05-26 18:02:10] [INFO ] Flow matrix only has 876 transitions (discarded 16 similar events)
[2026-05-26 18:02:10] [INFO ] Invariant cache hit.
[2026-05-26 18:02:10] [INFO ] State equation strengthened by 96 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :25590 after 551370
At refinement iteration 0 (INCLUDED_ONLY) 0/380 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 890 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/380 variables, 24/38 constraints. Problems are: Problem set: 0 solved, 890 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:02:21] [INFO ] Deduced a trap composed of 19 places in 227 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:02:21] [INFO ] Deduced a trap composed of 38 places in 108 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:02:21] [INFO ] Deduced a trap composed of 38 places in 97 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:02:22] [INFO ] Deduced a trap composed of 38 places in 77 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:02:22] [INFO ] Deduced a trap composed of 39 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:02:22] [INFO ] Deduced a trap composed of 39 places in 49 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:02:22] [INFO ] Deduced a trap composed of 38 places in 60 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:02:22] [INFO ] Deduced a trap composed of 38 places in 55 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:02:22] [INFO ] Deduced a trap composed of 38 places in 55 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:02:23] [INFO ] Deduced a trap composed of 63 places in 354 ms of which 51 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:02:24] [INFO ] Deduced a trap composed of 134 places in 410 ms of which 59 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:02:26] [INFO ] Deduced a trap composed of 127 places in 420 ms of which 65 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:02:26] [INFO ] Deduced a trap composed of 218 places in 410 ms of which 91 ms to minimize.
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :551370 after 1.44245e+06
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 380/1258 variables, and 51 constraints, problems are : Problem set: 0 solved, 890 unsolved in 20034 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 24/26 constraints, State Equation: 0/382 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 890/890 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 890 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/380 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 890 unsolved
Detected timeout of ITS tools.
[2026-05-26 18:02:50] [INFO ] Flatten gal took : 44 ms
[2026-05-26 18:02:50] [INFO ] Applying decomposition
[2026-05-26 18:02:50] [INFO ] Flatten gal took : 45 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/graph274618092810827385.txt' '-o' '/tmp/graph274618092810827385.bin' '-w' '/tmp/graph274618092810827385.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph274618092810827385.bin' '-l' '-1' '-v' '-w' '/tmp/graph274618092810827385.weights' '-q' '0' '-e' '0.001'
[2026-05-26 18:02:50] [INFO ] Decomposing Gal with order
[2026-05-26 18:02:50] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 18:02:50] [INFO ] Removed a total of 772 redundant transitions.
[2026-05-26 18:02:50] [INFO ] Flatten gal took : 132 ms
[2026-05-26 18:02:50] [INFO ] Fuse similar labels procedure discarded/fused a total of 529 labels/synchronizations in 72 ms.
[2026-05-26 18:02:50] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1622142133557963658.gal : 26 ms
[2026-05-26 18:02:50] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15672761056492268784.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/ReachabilityCardinality1622142133557963658.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15672761056492268784.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/ReachabilityCardinality15672761056492268784.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :5 after 6
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :6 after 7
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :7 after 20
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :20 after 20
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :20 after 20
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :20 after 20
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :20 after 598
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :598 after 2248
At refinement iteration 1 (INCLUDED_ONLY) 0/380 variables, 24/38 constraints. Problems are: Problem set: 0 solved, 890 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/380 variables, 13/51 constraints. Problems are: Problem set: 0 solved, 890 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 380/1258 variables, and 51 constraints, problems are : Problem set: 0 solved, 890 unsolved in 20025 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 24/26 constraints, State Equation: 0/382 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 0/890 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41232ms problems are : Problem set: 0 solved, 890 unsolved
Search for dead transitions found 0 dead transitions in 41235ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41264 ms. Remains : 382/382 places, 892/892 transitions.
RANDOM walk for 40000 steps (19 resets) in 385 ms. (103 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40001 steps (11 resets) in 142 ms. (279 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (11 resets) in 166 ms. (239 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :2248 after 4950
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :4950 after 15870
Interrupted probabilistic random walk after 161640 steps, run timeout after 3001 ms. (steps per millisecond=53 ) properties seen :0 out of 2
Probabilistic random walk after 161640 steps, saw 102370 distinct states, run finished after 3001 ms. (steps per millisecond=53 ) properties seen :0
[2026-05-26 18:02:55] [INFO ] Flow matrix only has 876 transitions (discarded 16 similar events)
[2026-05-26 18:02:55] [INFO ] Invariant cache hit.
[2026-05-26 18:02:55] [INFO ] State equation strengthened by 96 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, 2 unsolved
At refinement iteration 1 (OVERLAPS) 277/278 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/278 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 21/299 variables, 6/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/299 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 8/307 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/307 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 69/376 variables, 21/35 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:02:55] [INFO ] Deduced a trap composed of 38 places in 216 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:02:55] [INFO ] Deduced a trap composed of 38 places in 154 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:02:56] [INFO ] Deduced a trap composed of 38 places in 127 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:02:56] [INFO ] Deduced a trap composed of 38 places in 141 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:02:56] [INFO ] Deduced a trap composed of 39 places in 103 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:02:56] [INFO ] Deduced a trap composed of 39 places in 62 ms of which 4 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 6/41 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 3/379 variables, 3/44 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/379 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 1/380 variables, 1/45 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/380 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 876/1256 variables, 380/425 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (INCLUDED_ONLY) 0/1256 variables, 96/521 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1256 variables, 0/521 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 2/1258 variables, 2/523 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1258 variables, 1/524 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1258 variables, 0/524 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (OVERLAPS) 0/1258 variables, 0/524 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1258/1258 variables, and 524 constraints, problems are : Problem set: 0 solved, 2 unsolved in 3059 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 382/382 constraints, ReadFeed: 96/96 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 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, 2 unsolved
At refinement iteration 1 (OVERLAPS) 277/278 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/278 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 21/299 variables, 6/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/299 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 8/307 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/307 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 69/376 variables, 21/35 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 6/41 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:02:58] [INFO ] Deduced a trap composed of 38 places in 49 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 1/42 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/376 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 3/379 variables, 3/45 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/379 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 1/380 variables, 1/46 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/380 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 876/1256 variables, 380/426 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1256 variables, 96/522 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1256 variables, 2/524 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1256 variables, 0/524 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 2/1258 variables, 2/526 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1258 variables, 1/527 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1258 variables, 0/527 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (OVERLAPS) 0/1258 variables, 0/527 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1258/1258 variables, and 527 constraints, problems are : Problem set: 0 solved, 2 unsolved in 2632 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 382/382 constraints, ReadFeed: 96/96 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5702ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 480 ms.
Support contains 1 out of 382 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 382/382 places, 892/892 transitions.
Applied a total of 0 rules in 16 ms. Remains 382 /382 variables (removed 0) and now considering 892/892 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 16 ms. Remains : 382/382 places, 892/892 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 382/382 places, 892/892 transitions.
Applied a total of 0 rules in 15 ms. Remains 382 /382 variables (removed 0) and now considering 892/892 (removed 0) transitions.
[2026-05-26 18:03:01] [INFO ] Flow matrix only has 876 transitions (discarded 16 similar events)
[2026-05-26 18:03:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :15870 after 77819
[2026-05-26 18:03:03] [INFO ] Implicit Places using invariants in 1894 ms returned []
[2026-05-26 18:03:03] [INFO ] Flow matrix only has 876 transitions (discarded 16 similar events)
[2026-05-26 18:03:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 18:03:03] [INFO ] State equation strengthened by 96 read => feed constraints.
[2026-05-26 18:03:12] [INFO ] Implicit Places using invariants and state equation in 9301 ms returned []
Implicit Place search using SMT with State Equation took 11198 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-26 18:03:12] [INFO ] Redundant transitions in 12 ms returned []
Running 890 sub problems to find dead transitions.
[2026-05-26 18:03:12] [INFO ] Flow matrix only has 876 transitions (discarded 16 similar events)
[2026-05-26 18:03:12] [INFO ] Invariant cache hit.
[2026-05-26 18:03:12] [INFO ] State equation strengthened by 96 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/380 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 890 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/380 variables, 24/38 constraints. Problems are: Problem set: 0 solved, 890 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:03:23] [INFO ] Deduced a trap composed of 19 places in 189 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:03:23] [INFO ] Deduced a trap composed of 38 places in 100 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:03:23] [INFO ] Deduced a trap composed of 38 places in 90 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:03:23] [INFO ] Deduced a trap composed of 38 places in 68 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:03:23] [INFO ] Deduced a trap composed of 39 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:03:23] [INFO ] Deduced a trap composed of 39 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:03:23] [INFO ] Deduced a trap composed of 38 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:03:23] [INFO ] Deduced a trap composed of 38 places in 43 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:03:23] [INFO ] Deduced a trap composed of 38 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:03:24] [INFO ] Deduced a trap composed of 63 places in 397 ms of which 48 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:03:25] [INFO ] Deduced a trap composed of 134 places in 410 ms of which 59 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:03:27] [INFO ] Deduced a trap composed of 127 places in 400 ms of which 63 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:03:27] [INFO ] Deduced a trap composed of 218 places in 411 ms of which 84 ms to minimize.
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :77819 after 274389
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:03:33] [INFO ] Deduced a trap composed of 125 places in 405 ms of which 57 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:03:33] [INFO ] Deduced a trap composed of 140 places in 424 ms of which 66 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:03:34] [INFO ] Deduced a trap composed of 133 places in 337 ms of which 63 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:03:35] [INFO ] Deduced a trap composed of 31 places in 181 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:03:35] [INFO ] Deduced a trap composed of 108 places in 389 ms of which 57 ms to minimize.
Detected timeout of ITS tools.
At refinement iteration 2 (INCLUDED_ONLY) 0/380 variables, 18/56 constraints. Problems are: Problem set: 0 solved, 890 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 380/1258 variables, and 56 constraints, problems are : Problem set: 0 solved, 890 unsolved in 30026 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 24/26 constraints, State Equation: 0/382 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 890/890 constraints, Known Traps: 18/18 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 890 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/380 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 890 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/380 variables, 24/38 constraints. Problems are: Problem set: 0 solved, 890 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/380 variables, 18/56 constraints. Problems are: Problem set: 0 solved, 890 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 380/1258 variables, and 56 constraints, problems are : Problem set: 0 solved, 890 unsolved in 30027 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 24/26 constraints, State Equation: 0/382 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 0/890 constraints, Known Traps: 18/18 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60979ms problems are : Problem set: 0 solved, 890 unsolved
Search for dead transitions found 0 dead transitions in 60982ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 72215 ms. Remains : 382/382 places, 892/892 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[0] Max Struct:[4]
Ending property specific reduction for PolyORBLF-PT-S02J04T08-UpperBounds-08 in 271954 ms.
Starting property specific reduction for PolyORBLF-PT-S02J04T08-UpperBounds-09
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:[8]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[8]
[2026-05-26 18:04:13] [INFO ] Flow matrix only has 893 transitions (discarded 16 similar events)
// Phase 1: matrix 893 rows 399 cols
[2026-05-26 18:04:13] [INFO ] Computed 40 invariants in 23 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[8]
RANDOM walk for 10000 steps (3 resets) in 73 ms. (135 steps per ms)
BEST_FIRST walk for 10000 steps (2 resets) in 34 ms. (285 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[8]
[2026-05-26 18:04:13] [INFO ] Flow matrix only has 893 transitions (discarded 16 similar events)
[2026-05-26 18:04:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 18:04:13] [INFO ] [Real]Absence check using 12 positive place invariants in 11 ms returned sat
[2026-05-26 18:04:13] [INFO ] [Real]Absence check using 12 positive and 28 generalized place invariants in 28 ms returned sat
[2026-05-26 18:04:15] [INFO ] [Real]Absence check using state equation in 1877 ms returned sat
[2026-05-26 18:04:15] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 18:04:15] [INFO ] [Nat]Absence check using 12 positive place invariants in 10 ms returned sat
[2026-05-26 18:04:15] [INFO ] [Nat]Absence check using 12 positive and 28 generalized place invariants in 25 ms returned sat
[2026-05-26 18:04:17] [INFO ] [Nat]Absence check using state equation in 1626 ms returned sat
[2026-05-26 18:04:17] [INFO ] State equation strengthened by 96 read => feed constraints.
[2026-05-26 18:04:18] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-26 18:04:18] [INFO ] [Nat]Added 96 Read/Feed constraints in 1024 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[8]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[8]
Support contains 1 out of 399 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 399/399 places, 909/909 transitions.
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Deduced a syphon composed of 8 places in 1 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 0 with 16 rules applied. Total rules applied 16 place count 391 transition count 901
Free-agglomeration rule (complex) applied 8 times.
Iterating global reduction 0 with 8 rules applied. Total rules applied 24 place count 391 transition count 893
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 32 place count 383 transition count 893
Applied a total of 32 rules in 76 ms. Remains 383 /399 variables (removed 16) and now considering 893/909 (removed 16) transitions.
Running 891 sub problems to find dead transitions.
[2026-05-26 18:04:18] [INFO ] Flow matrix only has 877 transitions (discarded 16 similar events)
// Phase 1: matrix 877 rows 383 cols
[2026-05-26 18:04:18] [INFO ] Computed 40 invariants in 22 ms
[2026-05-26 18:04:18] [INFO ] State equation strengthened by 96 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/381 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 891 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/381 variables, 24/38 constraints. Problems are: Problem set: 0 solved, 891 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:04:31] [INFO ] Deduced a trap composed of 19 places in 193 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:04:32] [INFO ] Deduced a trap composed of 38 places in 111 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:04:32] [INFO ] Deduced a trap composed of 38 places in 85 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:04:32] [INFO ] Deduced a trap composed of 39 places in 55 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:04:32] [INFO ] Deduced a trap composed of 39 places in 73 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:04:32] [INFO ] Deduced a trap composed of 39 places in 72 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:04:32] [INFO ] Deduced a trap composed of 38 places in 79 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:04:32] [INFO ] Deduced a trap composed of 38 places in 81 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:04:32] [INFO ] Deduced a trap composed of 38 places in 55 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:04:33] [INFO ] Deduced a trap composed of 63 places in 587 ms of which 83 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:04:34] [INFO ] Deduced a trap composed of 134 places in 509 ms of which 109 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:04:36] [INFO ] Deduced a trap composed of 127 places in 455 ms of which 44 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:04:37] [INFO ] Deduced a trap composed of 218 places in 458 ms of which 52 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 381/1260 variables, and 51 constraints, problems are : Problem set: 0 solved, 891 unsolved in 20027 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 24/26 constraints, State Equation: 0/383 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 891/891 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 891 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/381 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 891 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/381 variables, 24/38 constraints. Problems are: Problem set: 0 solved, 891 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/381 variables, 13/51 constraints. Problems are: Problem set: 0 solved, 891 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 381/1260 variables, and 51 constraints, problems are : Problem set: 0 solved, 891 unsolved in 20034 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 24/26 constraints, State Equation: 0/383 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 0/891 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41251ms problems are : Problem set: 0 solved, 891 unsolved
Search for dead transitions found 0 dead transitions in 41254ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41347 ms. Remains : 383/399 places, 893/909 transitions.
[2026-05-26 18:04:59] [INFO ] Flow matrix only has 877 transitions (discarded 16 similar events)
[2026-05-26 18:04:59] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[8]
RANDOM walk for 1000000 steps (450 resets) in 4807 ms. (207 steps per ms)
BEST_FIRST walk for 1000001 steps (5 resets) in 2758 ms. (362 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[8]
[2026-05-26 18:05:07] [INFO ] Flow matrix only has 877 transitions (discarded 16 similar events)
[2026-05-26 18:05:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 18:05:07] [INFO ] [Real]Absence check using 14 positive place invariants in 10 ms returned sat
[2026-05-26 18:05:07] [INFO ] [Real]Absence check using 14 positive and 26 generalized place invariants in 28 ms returned sat
[2026-05-26 18:05:08] [INFO ] [Real]Absence check using state equation in 1166 ms returned sat
[2026-05-26 18:05:08] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 18:05:08] [INFO ] [Nat]Absence check using 14 positive place invariants in 8 ms returned sat
[2026-05-26 18:05:08] [INFO ] [Nat]Absence check using 14 positive and 26 generalized place invariants in 22 ms returned sat
[2026-05-26 18:05:12] [INFO ] [Nat]Absence check using state equation in 3350 ms returned sat
[2026-05-26 18:05:12] [INFO ] State equation strengthened by 96 read => feed constraints.
[2026-05-26 18:05:13] [INFO ] [Nat]Added 96 Read/Feed constraints in 953 ms returned sat
[2026-05-26 18:05:13] [INFO ] Computed and/alt/rep : 358/1251/350 causal constraints (skipped 525 transitions) in 70 ms.
[2026-05-26 18:05:14] [INFO ] Added : 34 causal constraints over 7 iterations in 1204 ms. Result :sat
Minimization took 4515 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[8]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[8]
Support contains 1 out of 383 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 383/383 places, 893/893 transitions.
Applied a total of 0 rules in 17 ms. Remains 383 /383 variables (removed 0) and now considering 893/893 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18 ms. Remains : 383/383 places, 893/893 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 383/383 places, 893/893 transitions.
Applied a total of 0 rules in 26 ms. Remains 383 /383 variables (removed 0) and now considering 893/893 (removed 0) transitions.
[2026-05-26 18:05:19] [INFO ] Flow matrix only has 877 transitions (discarded 16 similar events)
[2026-05-26 18:05:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 18:05:21] [INFO ] Implicit Places using invariants in 2054 ms returned []
[2026-05-26 18:05:21] [INFO ] Flow matrix only has 877 transitions (discarded 16 similar events)
[2026-05-26 18:05:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 18:05:22] [INFO ] State equation strengthened by 96 read => feed constraints.
[2026-05-26 18:05:34] [INFO ] Implicit Places using invariants and state equation in 12982 ms returned []
Implicit Place search using SMT with State Equation took 15042 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-26 18:05:34] [INFO ] Redundant transitions in 21 ms returned []
Running 891 sub problems to find dead transitions.
[2026-05-26 18:05:34] [INFO ] Flow matrix only has 877 transitions (discarded 16 similar events)
[2026-05-26 18:05:34] [INFO ] Invariant cache hit.
[2026-05-26 18:05:34] [INFO ] State equation strengthened by 96 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/381 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 891 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/381 variables, 24/38 constraints. Problems are: Problem set: 0 solved, 891 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:05:48] [INFO ] Deduced a trap composed of 19 places in 256 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:05:48] [INFO ] Deduced a trap composed of 38 places in 175 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:05:48] [INFO ] Deduced a trap composed of 38 places in 191 ms of which 39 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:05:48] [INFO ] Deduced a trap composed of 39 places in 126 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:05:48] [INFO ] Deduced a trap composed of 38 places in 99 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:05:49] [INFO ] Deduced a trap composed of 39 places in 90 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:05:49] [INFO ] Deduced a trap composed of 39 places in 87 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:05:49] [INFO ] Deduced a trap composed of 38 places in 85 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:05:49] [INFO ] Deduced a trap composed of 38 places in 76 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:05:50] [INFO ] Deduced a trap composed of 34 places in 573 ms of which 68 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:05:50] [INFO ] Deduced a trap composed of 63 places in 569 ms of which 76 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:05:52] [INFO ] Deduced a trap composed of 134 places in 581 ms of which 91 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:05:55] [INFO ] Deduced a trap composed of 218 places in 603 ms of which 126 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:06:03] [INFO ] Deduced a trap composed of 146 places in 568 ms of which 72 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:06:04] [INFO ] Deduced a trap composed of 125 places in 654 ms of which 106 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 381/1260 variables, and 53 constraints, problems are : Problem set: 0 solved, 891 unsolved in 30038 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 24/26 constraints, State Equation: 0/383 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 891/891 constraints, Known Traps: 15/15 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 891 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/381 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 891 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/381 variables, 24/38 constraints. Problems are: Problem set: 0 solved, 891 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/381 variables, 15/53 constraints. Problems are: Problem set: 0 solved, 891 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 381/1260 variables, and 53 constraints, problems are : Problem set: 0 solved, 891 unsolved in 30045 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 24/26 constraints, State Equation: 0/383 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 0/891 constraints, Known Traps: 15/15 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61541ms problems are : Problem set: 0 solved, 891 unsolved
Search for dead transitions found 0 dead transitions in 61545ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 76646 ms. Remains : 383/383 places, 893/893 transitions.
[2026-05-26 18:06:35] [INFO ] Flatten gal took : 75 ms
[2026-05-26 18:06:35] [INFO ] Flatten gal took : 72 ms
[2026-05-26 18:06:35] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6614885767317342640.gal : 9 ms
[2026-05-26 18:06:35] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5643900690722275715.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/ReachabilityCardinality6614885767317342640.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5643900690722275715.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
RANDOM walk for 40000 steps (28 resets) in 474 ms. (84 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 300 ms. (132 steps per ms) remains 2/2 properties
Loading property file /tmp/ReachabilityCardinality5643900690722275715.prop.
BEST_FIRST walk for 40003 steps (8 resets) in 447 ms. (89 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 12
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :12 after 17
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :17 after 23
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :23 after 28
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :28 after 70
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :70 after 270
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :270 after 850
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :850 after 1330
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :1330 after 10300
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :10300 after 15096
Interrupted probabilistic random walk after 144713 steps, run timeout after 3001 ms. (steps per millisecond=48 ) properties seen :0 out of 2
Probabilistic random walk after 144713 steps, saw 93642 distinct states, run finished after 3001 ms. (steps per millisecond=48 ) properties seen :0
[2026-05-26 18:06:39] [INFO ] Flow matrix only has 877 transitions (discarded 16 similar events)
[2026-05-26 18:06:39] [INFO ] Invariant cache hit.
[2026-05-26 18:06:39] [INFO ] State equation strengthened by 96 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, 2 unsolved
At refinement iteration 1 (OVERLAPS) 157/158 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/158 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 86/244 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 136/380 variables, 24/38 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :15096 after 17398
[2026-05-26 18:06:39] [INFO ] Deduced a trap composed of 34 places in 459 ms of which 92 ms to minimize.
Problem MAX0 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:06:40] [INFO ] Deduced a trap composed of 38 places in 627 ms of which 98 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:06:41] [INFO ] Deduced a trap composed of 38 places in 598 ms of which 66 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:06:41] [INFO ] Deduced a trap composed of 38 places in 389 ms of which 51 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:06:42] [INFO ] Deduced a trap composed of 38 places in 551 ms of which 72 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:06:42] [INFO ] Deduced a trap composed of 39 places in 407 ms of which 50 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :17398 after 25466
[2026-05-26 18:06:42] [INFO ] Deduced a trap composed of 38 places in 437 ms of which 55 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:06:43] [INFO ] Deduced a trap composed of 39 places in 385 ms of which 53 ms to minimize.
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/380 variables, 8/46 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/380 variables, 0/46 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/381 variables, 1/47 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/381 variables, 0/47 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1258/1260 variables, and 428 constraints, problems are : Problem set: 1 solved, 1 unsolved in 5009 ms.
Refiners :[Positive P Invariants (semi-flows): 13/14 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 381/383 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 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: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 157/158 variables, 2/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/158 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 86/244 variables, 12/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 136/380 variables, 24/38 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/380 variables, 8/46 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/380 variables, 0/46 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/381 variables, 1/47 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/381 variables, 0/47 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1258/1260 variables, and 428 constraints, problems are : Problem set: 1 solved, 1 unsolved in 1792 ms.
Refiners :[Positive P Invariants (semi-flows): 13/14 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 381/383 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 0/2 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 6812ms problems are : Problem set: 1 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 383 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 383/383 places, 893/893 transitions.
Applied a total of 0 rules in 18 ms. Remains 383 /383 variables (removed 0) and now considering 893/893 (removed 0) transitions.
Running 891 sub problems to find dead transitions.
[2026-05-26 18:06:46] [INFO ] Flow matrix only has 877 transitions (discarded 16 similar events)
[2026-05-26 18:06:46] [INFO ] Invariant cache hit.
[2026-05-26 18:06:46] [INFO ] State equation strengthened by 96 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :25466 after 461748
At refinement iteration 0 (INCLUDED_ONLY) 0/381 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 891 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/381 variables, 24/38 constraints. Problems are: Problem set: 0 solved, 891 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:06:58] [INFO ] Deduced a trap composed of 19 places in 204 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:06:58] [INFO ] Deduced a trap composed of 38 places in 135 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:06:58] [INFO ] Deduced a trap composed of 38 places in 137 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:06:58] [INFO ] Deduced a trap composed of 39 places in 90 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:06:58] [INFO ] Deduced a trap composed of 38 places in 55 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:06:58] [INFO ] Deduced a trap composed of 39 places in 57 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:06:58] [INFO ] Deduced a trap composed of 39 places in 58 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:06:58] [INFO ] Deduced a trap composed of 38 places in 60 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:06:59] [INFO ] Deduced a trap composed of 38 places in 59 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:06:59] [INFO ] Deduced a trap composed of 34 places in 529 ms of which 66 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:07:00] [INFO ] Deduced a trap composed of 63 places in 524 ms of which 75 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:07:02] [INFO ] Deduced a trap composed of 134 places in 535 ms of which 93 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :461748 after 1.31398e+06
[2026-05-26 18:07:04] [INFO ] Deduced a trap composed of 218 places in 557 ms of which 124 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 381/1260 variables, and 51 constraints, problems are : Problem set: 0 solved, 891 unsolved in 20028 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 24/26 constraints, State Equation: 0/383 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 891/891 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 891 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/381 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 891 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/381 variables, 24/38 constraints. Problems are: Problem set: 0 solved, 891 unsolved
Detected timeout of ITS tools.
[2026-05-26 18:07:26] [INFO ] Flatten gal took : 37 ms
[2026-05-26 18:07:26] [INFO ] Applying decomposition
[2026-05-26 18:07:26] [INFO ] Flatten gal took : 35 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/graph3578498492168825943.txt' '-o' '/tmp/graph3578498492168825943.bin' '-w' '/tmp/graph3578498492168825943.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph3578498492168825943.bin' '-l' '-1' '-v' '-w' '/tmp/graph3578498492168825943.weights' '-q' '0' '-e' '0.001'
[2026-05-26 18:07:26] [INFO ] Decomposing Gal with order
[2026-05-26 18:07:26] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 18:07:26] [INFO ] Removed a total of 870 redundant transitions.
[2026-05-26 18:07:26] [INFO ] Flatten gal took : 114 ms
[2026-05-26 18:07:26] [INFO ] Fuse similar labels procedure discarded/fused a total of 518 labels/synchronizations in 35 ms.
[2026-05-26 18:07:26] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2033173391330595852.gal : 9 ms
[2026-05-26 18:07:26] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9393051382582487547.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/ReachabilityCardinality2033173391330595852.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9393051382582487547.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/ReachabilityCardinality9393051382582487547.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 6
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :6 after 11
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :11 after 14
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :14 after 14
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :14 after 14
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :14 after 128
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :128 after 212
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :212 after 576
At refinement iteration 2 (INCLUDED_ONLY) 0/381 variables, 13/51 constraints. Problems are: Problem set: 0 solved, 891 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 381/1260 variables, and 51 constraints, problems are : Problem set: 0 solved, 891 unsolved in 20023 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 24/26 constraints, State Equation: 0/383 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 0/891 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40996ms problems are : Problem set: 0 solved, 891 unsolved
Search for dead transitions found 0 dead transitions in 40998ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41019 ms. Remains : 383/383 places, 893/893 transitions.
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :576 after 1069
RANDOM walk for 40000 steps (21 resets) in 531 ms. (75 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (8 resets) in 188 ms. (211 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :1069 after 2800
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :2800 after 3930
Interrupted probabilistic random walk after 223286 steps, run timeout after 3001 ms. (steps per millisecond=74 ) properties seen :0 out of 1
Probabilistic random walk after 223286 steps, saw 141091 distinct states, run finished after 3001 ms. (steps per millisecond=74 ) properties seen :0
[2026-05-26 18:07:30] [INFO ] Flow matrix only has 877 transitions (discarded 16 similar events)
[2026-05-26 18:07:30] [INFO ] Invariant cache hit.
[2026-05-26 18:07:30] [INFO ] State equation strengthened by 96 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) 157/158 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/158 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 86/244 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 136/380 variables, 24/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/380 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1/381 variables, 1/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/381 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 877/1258 variables, 381/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1258 variables, 96/516 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1258 variables, 0/516 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 2/1260 variables, 2/518 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1260 variables, 1/519 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1260 variables, 0/519 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/1260 variables, 0/519 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1260/1260 variables, and 519 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1194 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 383/383 constraints, ReadFeed: 96/96 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) 157/158 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/158 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 86/244 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 136/380 variables, 24/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:07:31] [INFO ] Deduced a trap composed of 38 places in 158 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:07:31] [INFO ] Deduced a trap composed of 38 places in 119 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:07:32] [INFO ] Deduced a trap composed of 38 places in 122 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:07:32] [INFO ] Deduced a trap composed of 39 places in 77 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:07:32] [INFO ] Deduced a trap composed of 38 places in 49 ms of which 4 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/380 variables, 5/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/380 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/381 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/381 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :3930 after 16462
At refinement iteration 10 (OVERLAPS) 877/1258 variables, 381/425 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1258 variables, 96/521 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1258 variables, 1/522 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:07:37] [INFO ] Deduced a trap composed of 31 places in 182 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:07:37] [INFO ] Deduced a trap composed of 38 places in 55 ms of which 3 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/1258 variables, 2/524 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1258 variables, 0/524 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 2/1260 variables, 2/526 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1260 variables, 1/527 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:07:38] [INFO ] Deduced a trap composed of 19 places in 398 ms of which 29 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/1260 variables, 1/528 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1260 variables, 0/528 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/1260 variables, 0/528 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :16462 after 71988
After SMT solving in domain Int declared 1260/1260 variables, and 528 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9492 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 383/383 constraints, ReadFeed: 96/96 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10695ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 84 ms.
Support contains 1 out of 383 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 383/383 places, 893/893 transitions.
Applied a total of 0 rules in 16 ms. Remains 383 /383 variables (removed 0) and now considering 893/893 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17 ms. Remains : 383/383 places, 893/893 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 383/383 places, 893/893 transitions.
Applied a total of 0 rules in 24 ms. Remains 383 /383 variables (removed 0) and now considering 893/893 (removed 0) transitions.
[2026-05-26 18:07:41] [INFO ] Flow matrix only has 877 transitions (discarded 16 similar events)
[2026-05-26 18:07:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 18:07:43] [INFO ] Implicit Places using invariants in 2436 ms returned []
[2026-05-26 18:07:43] [INFO ] Flow matrix only has 877 transitions (discarded 16 similar events)
[2026-05-26 18:07:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 18:07:45] [INFO ] State equation strengthened by 96 read => feed constraints.
[2026-05-26 18:07:56] [INFO ] Implicit Places using invariants and state equation in 12698 ms returned []
Implicit Place search using SMT with State Equation took 15136 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-26 18:07:56] [INFO ] Redundant transitions in 21 ms returned []
Running 891 sub problems to find dead transitions.
[2026-05-26 18:07:56] [INFO ] Flow matrix only has 877 transitions (discarded 16 similar events)
[2026-05-26 18:07:56] [INFO ] Invariant cache hit.
[2026-05-26 18:07:56] [INFO ] State equation strengthened by 96 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/381 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 891 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/381 variables, 24/38 constraints. Problems are: Problem set: 0 solved, 891 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:08:10] [INFO ] Deduced a trap composed of 19 places in 228 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:08:10] [INFO ] Deduced a trap composed of 38 places in 101 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:08:10] [INFO ] Deduced a trap composed of 38 places in 124 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:08:10] [INFO ] Deduced a trap composed of 39 places in 84 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:08:10] [INFO ] Deduced a trap composed of 38 places in 59 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:08:10] [INFO ] Deduced a trap composed of 39 places in 72 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:08:11] [INFO ] Deduced a trap composed of 39 places in 69 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:08:11] [INFO ] Deduced a trap composed of 38 places in 63 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:08:11] [INFO ] Deduced a trap composed of 38 places in 64 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:08:11] [INFO ] Deduced a trap composed of 34 places in 327 ms of which 41 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:08:12] [INFO ] Deduced a trap composed of 63 places in 506 ms of which 82 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:08:14] [INFO ] Deduced a trap composed of 134 places in 539 ms of which 90 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :71988 after 170643
[2026-05-26 18:08:16] [INFO ] Deduced a trap composed of 218 places in 545 ms of which 116 ms to minimize.
Detected timeout of ITS tools.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:08:22] [INFO ] Deduced a trap composed of 146 places in 527 ms of which 77 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:08:22] [INFO ] Deduced a trap composed of 125 places in 477 ms of which 76 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:08:24] [INFO ] Deduced a trap composed of 140 places in 519 ms of which 91 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:08:25] [INFO ] Deduced a trap composed of 31 places in 231 ms of which 36 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 381/1260 variables, and 55 constraints, problems are : Problem set: 0 solved, 891 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 24/26 constraints, State Equation: 0/383 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 891/891 constraints, Known Traps: 17/17 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 891 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/381 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 891 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/381 variables, 24/38 constraints. Problems are: Problem set: 0 solved, 891 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/381 variables, 17/55 constraints. Problems are: Problem set: 0 solved, 891 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:08:55] [INFO ] Deduced a trap composed of 127 places in 510 ms of which 49 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 381/1260 variables, and 56 constraints, problems are : Problem set: 0 solved, 891 unsolved in 30027 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 24/26 constraints, State Equation: 0/383 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 0/891 constraints, Known Traps: 18/18 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61253ms problems are : Problem set: 0 solved, 891 unsolved
Search for dead transitions found 0 dead transitions in 61256ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 76448 ms. Remains : 383/383 places, 893/893 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[1] Max Struct:[8]
Ending property specific reduction for PolyORBLF-PT-S02J04T08-UpperBounds-09 in 283861 ms.
Starting property specific reduction for PolyORBLF-PT-S02J04T08-UpperBounds-10
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[28]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[28]
[2026-05-26 18:08:57] [INFO ] Flow matrix only has 893 transitions (discarded 16 similar events)
// Phase 1: matrix 893 rows 399 cols
[2026-05-26 18:08:57] [INFO ] Computed 40 invariants in 14 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[28]
RANDOM walk for 10000 steps (5 resets) in 79 ms. (125 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 33 ms. (294 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[28]
[2026-05-26 18:08:57] [INFO ] Flow matrix only has 893 transitions (discarded 16 similar events)
[2026-05-26 18:08:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 18:08:57] [INFO ] [Real]Absence check using 12 positive place invariants in 11 ms returned sat
[2026-05-26 18:08:57] [INFO ] [Real]Absence check using 12 positive and 28 generalized place invariants in 35 ms returned sat
[2026-05-26 18:08:59] [INFO ] [Real]Absence check using state equation in 1316 ms returned sat
[2026-05-26 18:08:59] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 18:08:59] [INFO ] [Nat]Absence check using 12 positive place invariants in 9 ms returned sat
[2026-05-26 18:08:59] [INFO ] [Nat]Absence check using 12 positive and 28 generalized place invariants in 34 ms returned sat
[2026-05-26 18:09:00] [INFO ] [Nat]Absence check using state equation in 1285 ms returned sat
[2026-05-26 18:09:00] [INFO ] State equation strengthened by 96 read => feed constraints.
[2026-05-26 18:09:01] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-26 18:09:01] [INFO ] [Nat]Added 96 Read/Feed constraints in 1017 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[28]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[28]
Support contains 1 out of 399 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 399/399 places, 909/909 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 398 transition count 908
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 398 transition count 908
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: 7
Deduced a syphon composed of 7 places in 1 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 0 with 14 rules applied. Total rules applied 16 place count 391 transition count 901
Free-agglomeration rule (complex) applied 8 times.
Iterating global reduction 0 with 8 rules applied. Total rules applied 24 place count 391 transition count 893
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 32 place count 383 transition count 893
Applied a total of 32 rules in 75 ms. Remains 383 /399 variables (removed 16) and now considering 893/909 (removed 16) transitions.
Running 891 sub problems to find dead transitions.
[2026-05-26 18:09:01] [INFO ] Flow matrix only has 877 transitions (discarded 16 similar events)
// Phase 1: matrix 877 rows 383 cols
[2026-05-26 18:09:01] [INFO ] Computed 40 invariants in 20 ms
[2026-05-26 18:09:01] [INFO ] State equation strengthened by 96 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/381 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 891 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/381 variables, 23/38 constraints. Problems are: Problem set: 0 solved, 891 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:09:14] [INFO ] Deduced a trap composed of 19 places in 299 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:09:14] [INFO ] Deduced a trap composed of 31 places in 279 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:09:15] [INFO ] Deduced a trap composed of 38 places in 152 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:09:15] [INFO ] Deduced a trap composed of 38 places in 114 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:09:15] [INFO ] Deduced a trap composed of 38 places in 74 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:09:15] [INFO ] Deduced a trap composed of 39 places in 73 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:09:15] [INFO ] Deduced a trap composed of 39 places in 51 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:09:15] [INFO ] Deduced a trap composed of 38 places in 115 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:09:15] [INFO ] Deduced a trap composed of 39 places in 72 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:09:16] [INFO ] Deduced a trap composed of 63 places in 520 ms of which 63 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:09:17] [INFO ] Deduced a trap composed of 127 places in 435 ms of which 67 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:09:17] [INFO ] Deduced a trap composed of 38 places in 49 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:09:18] [INFO ] Deduced a trap composed of 219 places in 525 ms of which 87 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:09:22] [INFO ] Deduced a trap composed of 134 places in 347 ms of which 65 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 381/1260 variables, and 52 constraints, problems are : Problem set: 0 solved, 891 unsolved in 20019 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 23/25 constraints, State Equation: 0/383 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 891/891 constraints, Known Traps: 14/14 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 891 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/381 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 891 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/381 variables, 23/38 constraints. Problems are: Problem set: 0 solved, 891 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/381 variables, 14/52 constraints. Problems are: Problem set: 0 solved, 891 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 381/1260 variables, and 52 constraints, problems are : Problem set: 0 solved, 891 unsolved in 20033 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 23/25 constraints, State Equation: 0/383 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 0/891 constraints, Known Traps: 14/14 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41229ms problems are : Problem set: 0 solved, 891 unsolved
Search for dead transitions found 0 dead transitions in 41232ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41311 ms. Remains : 383/399 places, 893/909 transitions.
[2026-05-26 18:09:42] [INFO ] Flow matrix only has 877 transitions (discarded 16 similar events)
[2026-05-26 18:09:42] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[28]
RANDOM walk for 1000000 steps (473 resets) in 4635 ms. (215 steps per ms)
BEST_FIRST walk for 1000000 steps (159 resets) in 2145 ms. (465 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[28]
[2026-05-26 18:09:49] [INFO ] Flow matrix only has 877 transitions (discarded 16 similar events)
[2026-05-26 18:09:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 18:09:49] [INFO ] [Real]Absence check using 15 positive place invariants in 9 ms returned sat
[2026-05-26 18:09:49] [INFO ] [Real]Absence check using 15 positive and 25 generalized place invariants in 24 ms returned sat
[2026-05-26 18:09:51] [INFO ] [Real]Absence check using state equation in 1594 ms returned sat
[2026-05-26 18:09:51] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 18:09:51] [INFO ] [Nat]Absence check using 15 positive place invariants in 10 ms returned sat
[2026-05-26 18:09:51] [INFO ] [Nat]Absence check using 15 positive and 25 generalized place invariants in 24 ms returned sat
[2026-05-26 18:09:52] [INFO ] [Nat]Absence check using state equation in 748 ms returned sat
[2026-05-26 18:09:52] [INFO ] State equation strengthened by 96 read => feed constraints.
[2026-05-26 18:09:52] [INFO ] [Nat]Added 96 Read/Feed constraints in 508 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:09:53] [INFO ] Deduced a trap composed of 19 places in 341 ms of which 27 ms to minimize.
[2026-05-26 18:09:53] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 438 ms
[2026-05-26 18:09:53] [INFO ] Computed and/alt/rep : 364/1258/356 causal constraints (skipped 519 transitions) in 74 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:09:55] [INFO ] Deduced a trap composed of 38 places in 47 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:09:55] [INFO ] Deduced a trap composed of 38 places in 45 ms of which 3 ms to minimize.
[2026-05-26 18:09:55] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 342 ms
[2026-05-26 18:09:55] [INFO ] Added : 96 causal constraints over 20 iterations in 2567 ms. Result :sat
Minimization took 4552 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[28]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[28]
Support contains 1 out of 383 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 383/383 places, 893/893 transitions.
Applied a total of 0 rules in 15 ms. Remains 383 /383 variables (removed 0) and now considering 893/893 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15 ms. Remains : 383/383 places, 893/893 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 383/383 places, 893/893 transitions.
Applied a total of 0 rules in 14 ms. Remains 383 /383 variables (removed 0) and now considering 893/893 (removed 0) transitions.
[2026-05-26 18:10:00] [INFO ] Flow matrix only has 877 transitions (discarded 16 similar events)
[2026-05-26 18:10:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 18:10:02] [INFO ] Implicit Places using invariants in 1924 ms returned []
[2026-05-26 18:10:02] [INFO ] Flow matrix only has 877 transitions (discarded 16 similar events)
[2026-05-26 18:10:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 18:10:03] [INFO ] State equation strengthened by 96 read => feed constraints.
[2026-05-26 18:10:13] [INFO ] Implicit Places using invariants and state equation in 10687 ms returned []
Implicit Place search using SMT with State Equation took 12618 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-26 18:10:13] [INFO ] Redundant transitions in 14 ms returned []
Running 891 sub problems to find dead transitions.
[2026-05-26 18:10:13] [INFO ] Flow matrix only has 877 transitions (discarded 16 similar events)
[2026-05-26 18:10:13] [INFO ] Invariant cache hit.
[2026-05-26 18:10:13] [INFO ] State equation strengthened by 96 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/381 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 891 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/381 variables, 23/38 constraints. Problems are: Problem set: 0 solved, 891 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:10:23] [INFO ] Deduced a trap composed of 19 places in 198 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:10:23] [INFO ] Deduced a trap composed of 38 places in 120 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:10:23] [INFO ] Deduced a trap composed of 38 places in 86 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:10:24] [INFO ] Deduced a trap composed of 38 places in 74 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:10:24] [INFO ] Deduced a trap composed of 38 places in 48 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:10:24] [INFO ] Deduced a trap composed of 39 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:10:24] [INFO ] Deduced a trap composed of 39 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:10:24] [INFO ] Deduced a trap composed of 39 places in 44 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:10:24] [INFO ] Deduced a trap composed of 38 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:10:25] [INFO ] Deduced a trap composed of 134 places in 344 ms of which 66 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:10:26] [INFO ] Deduced a trap composed of 219 places in 407 ms of which 56 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:10:27] [INFO ] Deduced a trap composed of 34 places in 316 ms of which 41 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:10:28] [INFO ] Deduced a trap composed of 63 places in 409 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:10:30] [INFO ] Deduced a trap composed of 31 places in 216 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:10:33] [INFO ] Deduced a trap composed of 125 places in 465 ms of which 68 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:10:34] [INFO ] Deduced a trap composed of 140 places in 460 ms of which 76 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:10:35] [INFO ] Deduced a trap composed of 108 places in 403 ms of which 52 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:10:36] [INFO ] Deduced a trap composed of 146 places in 426 ms of which 72 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/381 variables, 18/56 constraints. Problems are: Problem set: 0 solved, 891 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 381/1260 variables, and 56 constraints, problems are : Problem set: 0 solved, 891 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 23/25 constraints, State Equation: 0/383 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 891/891 constraints, Known Traps: 18/18 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 891 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/381 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 891 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/381 variables, 23/38 constraints. Problems are: Problem set: 0 solved, 891 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/381 variables, 18/56 constraints. Problems are: Problem set: 0 solved, 891 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 381/1260 variables, and 56 constraints, problems are : Problem set: 0 solved, 891 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 23/25 constraints, State Equation: 0/383 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 0/891 constraints, Known Traps: 18/18 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61137ms problems are : Problem set: 0 solved, 891 unsolved
Search for dead transitions found 0 dead transitions in 61140ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 73808 ms. Remains : 383/383 places, 893/893 transitions.
[2026-05-26 18:11:14] [INFO ] Flatten gal took : 61 ms
[2026-05-26 18:11:14] [INFO ] Flatten gal took : 57 ms
[2026-05-26 18:11:14] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9569400564104785950.gal : 10 ms
[2026-05-26 18:11:14] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16259708493564161056.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/ReachabilityCardinality9569400564104785950.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16259708493564161056.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
RANDOM walk for 40000 steps (15 resets) in 435 ms. (91 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (9 resets) in 186 ms. (213 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (12 resets) in 185 ms. (215 steps per ms) remains 2/2 properties
Loading property file /tmp/ReachabilityCardinality16259708493564161056.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 12
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :12 after 17
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :17 after 23
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :23 after 28
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :28 after 70
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :70 after 270
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :270 after 850
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :850 after 1940
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :1940 after 11540
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :11540 after 15544
Interrupted probabilistic random walk after 154452 steps, run timeout after 3001 ms. (steps per millisecond=51 ) properties seen :0 out of 2
Probabilistic random walk after 154452 steps, saw 97763 distinct states, run finished after 3002 ms. (steps per millisecond=51 ) properties seen :0
[2026-05-26 18:11:17] [INFO ] Flow matrix only has 877 transitions (discarded 16 similar events)
[2026-05-26 18:11:17] [INFO ] Invariant cache hit.
[2026-05-26 18:11:17] [INFO ] State equation strengthened by 96 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, 2 unsolved
At refinement iteration 1 (OVERLAPS) 221/222 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/222 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 63/285 variables, 8/13 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/285 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 10/295 variables, 5/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/295 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem MAX0 is UNSAT
At refinement iteration 7 (OVERLAPS) 85/380 variables, 20/38 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:11:18] [INFO ] Deduced a trap composed of 38 places in 334 ms of which 48 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :15544 after 17484
[2026-05-26 18:11:18] [INFO ] Deduced a trap composed of 38 places in 296 ms of which 47 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:11:18] [INFO ] Deduced a trap composed of 38 places in 157 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:11:18] [INFO ] Deduced a trap composed of 38 places in 187 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:11:19] [INFO ] Deduced a trap composed of 38 places in 108 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:11:19] [INFO ] Deduced a trap composed of 39 places in 70 ms of which 4 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/380 variables, 6/44 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/380 variables, 0/44 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 1/381 variables, 1/45 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/381 variables, 0/45 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1258/1260 variables, and 426 constraints, problems are : Problem set: 1 solved, 1 unsolved in 2946 ms.
Refiners :[Positive P Invariants (semi-flows): 14/15 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 381/383 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 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: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 221/222 variables, 5/5 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/222 variables, 0/5 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 63/285 variables, 8/13 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/285 variables, 0/13 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 10/295 variables, 5/18 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/295 variables, 0/18 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 85/380 variables, 20/38 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/380 variables, 6/44 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:11:20] [INFO ] Deduced a trap composed of 39 places in 44 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/380 variables, 1/45 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/380 variables, 0/45 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 1/381 variables, 1/46 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/381 variables, 0/46 constraints. Problems are: Problem set: 1 solved, 1 unsolved
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :17484 after 26050
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1258/1260 variables, and 427 constraints, problems are : Problem set: 1 solved, 1 unsolved in 2622 ms.
Refiners :[Positive P Invariants (semi-flows): 14/15 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 381/383 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 0/2 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5577ms problems are : Problem set: 1 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 383 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 383/383 places, 893/893 transitions.
Applied a total of 0 rules in 18 ms. Remains 383 /383 variables (removed 0) and now considering 893/893 (removed 0) transitions.
Running 891 sub problems to find dead transitions.
[2026-05-26 18:11:23] [INFO ] Flow matrix only has 877 transitions (discarded 16 similar events)
[2026-05-26 18:11:23] [INFO ] Invariant cache hit.
[2026-05-26 18:11:23] [INFO ] State equation strengthened by 96 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :26050 after 565525
At refinement iteration 0 (INCLUDED_ONLY) 0/381 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 891 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/381 variables, 23/38 constraints. Problems are: Problem set: 0 solved, 891 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:11:36] [INFO ] Deduced a trap composed of 19 places in 204 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:11:36] [INFO ] Deduced a trap composed of 38 places in 120 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:11:36] [INFO ] Deduced a trap composed of 38 places in 80 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:11:36] [INFO ] Deduced a trap composed of 38 places in 84 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:11:36] [INFO ] Deduced a trap composed of 38 places in 57 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:11:36] [INFO ] Deduced a trap composed of 39 places in 52 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:11:36] [INFO ] Deduced a trap composed of 39 places in 50 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:11:36] [INFO ] Deduced a trap composed of 39 places in 54 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:11:36] [INFO ] Deduced a trap composed of 38 places in 54 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:11:38] [INFO ] Deduced a trap composed of 134 places in 572 ms of which 82 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:11:39] [INFO ] Deduced a trap composed of 219 places in 552 ms of which 83 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:11:40] [INFO ] Deduced a trap composed of 34 places in 556 ms of which 67 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,2 properties remain. new max is 32768
[2026-05-26 18:11:41] [INFO ] Deduced a trap composed of 63 places in 453 ms of which 35 ms to minimize.
SDD size :565525 after 1.50093e+06
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 381/1260 variables, and 51 constraints, problems are : Problem set: 0 solved, 891 unsolved in 20023 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 23/25 constraints, State Equation: 0/383 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 891/891 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 891 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/381 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 891 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/381 variables, 23/38 constraints. Problems are: Problem set: 0 solved, 891 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/381 variables, 13/51 constraints. Problems are: Problem set: 0 solved, 891 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 381/1260 variables, and 51 constraints, problems are : Problem set: 0 solved, 891 unsolved in 20024 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 23/25 constraints, State Equation: 0/383 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 0/891 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40945ms problems are : Problem set: 0 solved, 891 unsolved
Search for dead transitions found 0 dead transitions in 40948ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40969 ms. Remains : 383/383 places, 893/893 transitions.
RANDOM walk for 40000 steps (14 resets) in 315 ms. (126 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (17 resets) in 115 ms. (344 steps per ms) remains 1/1 properties
Detected timeout of ITS tools.
[2026-05-26 18:12:04] [INFO ] Flatten gal took : 50 ms
[2026-05-26 18:12:04] [INFO ] Applying decomposition
[2026-05-26 18:12:04] [INFO ] Flatten gal took : 38 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/graph9926550552160681560.txt' '-o' '/tmp/graph9926550552160681560.bin' '-w' '/tmp/graph9926550552160681560.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph9926550552160681560.bin' '-l' '-1' '-v' '-w' '/tmp/graph9926550552160681560.weights' '-q' '0' '-e' '0.001'
[2026-05-26 18:12:04] [INFO ] Decomposing Gal with order
[2026-05-26 18:12:04] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 18:12:04] [INFO ] Removed a total of 730 redundant transitions.
[2026-05-26 18:12:04] [INFO ] Flatten gal took : 175 ms
[2026-05-26 18:12:04] [INFO ] Fuse similar labels procedure discarded/fused a total of 531 labels/synchronizations in 37 ms.
[2026-05-26 18:12:05] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9812395083598692102.gal : 22 ms
[2026-05-26 18:12:05] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8548086140562231700.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/ReachabilityCardinality9812395083598692102.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8548086140562231700.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/ReachabilityCardinality8548086140562231700.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 6
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :6 after 7
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :7 after 10
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :10 after 10
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :10 after 50
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :50 after 134
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :134 after 155
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :155 after 465
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :465 after 824
Interrupted probabilistic random walk after 201291 steps, run timeout after 3001 ms. (steps per millisecond=67 ) properties seen :0 out of 1
Probabilistic random walk after 201291 steps, saw 125369 distinct states, run finished after 3001 ms. (steps per millisecond=67 ) properties seen :0
[2026-05-26 18:12:07] [INFO ] Flow matrix only has 877 transitions (discarded 16 similar events)
[2026-05-26 18:12:07] [INFO ] Invariant cache hit.
[2026-05-26 18:12:07] [INFO ] State equation strengthened by 96 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) 221/222 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/222 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 63/285 variables, 8/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/285 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 10/295 variables, 5/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/295 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 85/380 variables, 20/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/380 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 1/381 variables, 1/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/381 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :824 after 2324
At refinement iteration 11 (OVERLAPS) 877/1258 variables, 381/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1258 variables, 96/516 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1258 variables, 0/516 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 2/1260 variables, 2/518 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1260 variables, 1/519 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1260 variables, 0/519 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 0/1260 variables, 0/519 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1260/1260 variables, and 519 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1311 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 383/383 constraints, ReadFeed: 96/96 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) 221/222 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/222 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 63/285 variables, 8/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/285 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 10/295 variables, 5/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/295 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 85/380 variables, 20/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:12:09] [INFO ] Deduced a trap composed of 38 places in 350 ms of which 60 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:12:09] [INFO ] Deduced a trap composed of 38 places in 239 ms of which 44 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:12:09] [INFO ] Deduced a trap composed of 38 places in 200 ms of which 38 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:12:09] [INFO ] Deduced a trap composed of 38 places in 157 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:12:09] [INFO ] Deduced a trap composed of 39 places in 104 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:12:09] [INFO ] Deduced a trap composed of 39 places in 68 ms of which 4 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/380 variables, 6/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/380 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 1/381 variables, 1/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/381 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :2324 after 8983
At refinement iteration 12 (OVERLAPS) 877/1258 variables, 381/426 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1258 variables, 96/522 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1258 variables, 1/523 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1258 variables, 0/523 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 2/1260 variables, 2/525 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1260 variables, 1/526 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1260 variables, 0/526 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/1260 variables, 0/526 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1260/1260 variables, and 526 constraints, problems are : Problem set: 0 solved, 1 unsolved in 4859 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 383/383 constraints, ReadFeed: 96/96 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 6179ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 69 ms.
Support contains 1 out of 383 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 383/383 places, 893/893 transitions.
Applied a total of 0 rules in 27 ms. Remains 383 /383 variables (removed 0) and now considering 893/893 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 27 ms. Remains : 383/383 places, 893/893 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 383/383 places, 893/893 transitions.
Applied a total of 0 rules in 26 ms. Remains 383 /383 variables (removed 0) and now considering 893/893 (removed 0) transitions.
[2026-05-26 18:12:13] [INFO ] Flow matrix only has 877 transitions (discarded 16 similar events)
[2026-05-26 18:12:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 18:12:16] [INFO ] Implicit Places using invariants in 2529 ms returned []
[2026-05-26 18:12:16] [INFO ] Flow matrix only has 877 transitions (discarded 16 similar events)
[2026-05-26 18:12:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 18:12:17] [INFO ] State equation strengthened by 96 read => feed constraints.
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :8983 after 59068
[2026-05-26 18:12:26] [INFO ] Implicit Places using invariants and state equation in 10578 ms returned []
Implicit Place search using SMT with State Equation took 13112 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-26 18:12:26] [INFO ] Redundant transitions in 21 ms returned []
Running 891 sub problems to find dead transitions.
[2026-05-26 18:12:26] [INFO ] Flow matrix only has 877 transitions (discarded 16 similar events)
[2026-05-26 18:12:26] [INFO ] Invariant cache hit.
[2026-05-26 18:12:26] [INFO ] State equation strengthened by 96 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/381 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 891 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/381 variables, 23/38 constraints. Problems are: Problem set: 0 solved, 891 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:12:41] [INFO ] Deduced a trap composed of 19 places in 194 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:12:41] [INFO ] Deduced a trap composed of 38 places in 102 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:12:41] [INFO ] Deduced a trap composed of 38 places in 68 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:12:41] [INFO ] Deduced a trap composed of 38 places in 80 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:12:41] [INFO ] Deduced a trap composed of 38 places in 50 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:12:41] [INFO ] Deduced a trap composed of 39 places in 51 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:12:41] [INFO ] Deduced a trap composed of 39 places in 54 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:12:42] [INFO ] Deduced a trap composed of 39 places in 58 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:12:42] [INFO ] Deduced a trap composed of 38 places in 52 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:12:44] [INFO ] Deduced a trap composed of 134 places in 465 ms of which 65 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:12:45] [INFO ] Deduced a trap composed of 219 places in 394 ms of which 57 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:12:46] [INFO ] Deduced a trap composed of 34 places in 374 ms of which 42 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:12:46] [INFO ] Deduced a trap composed of 63 places in 406 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:12:50] [INFO ] Deduced a trap composed of 31 places in 225 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:12:54] [INFO ] Deduced a trap composed of 125 places in 510 ms of which 67 ms to minimize.
Detected timeout of ITS tools.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:12:56] [INFO ] Deduced a trap composed of 140 places in 522 ms of which 85 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:12:57] [INFO ] Deduced a trap composed of 108 places in 541 ms of which 87 ms to minimize.
SMT process timed out in 31289ms, After SMT, problems are : Problem set: 0 solved, 891 unsolved
Search for dead transitions found 0 dead transitions in 31294ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44464 ms. Remains : 383/383 places, 893/893 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[28]
Ending property specific reduction for PolyORBLF-PT-S02J04T08-UpperBounds-10 in 240435 ms.
[2026-05-26 18:12:57] [INFO ] Flatten gal took : 30 ms
[2026-05-26 18:12:58] [INFO ] Applying decomposition
[2026-05-26 18:12:58] [INFO ] Flatten gal took : 30 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/graph11449364328629266198.txt' '-o' '/tmp/graph11449364328629266198.bin' '-w' '/tmp/graph11449364328629266198.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph11449364328629266198.bin' '-l' '-1' '-v' '-w' '/tmp/graph11449364328629266198.weights' '-q' '0' '-e' '0.001'
[2026-05-26 18:12:58] [INFO ] Decomposing Gal with order
[2026-05-26 18:12:58] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 18:12:58] [INFO ] Removed a total of 666 redundant transitions.
[2026-05-26 18:12:58] [INFO ] Flatten gal took : 88 ms
[2026-05-26 18:12:58] [INFO ] Fuse similar labels procedure discarded/fused a total of 366 labels/synchronizations in 16 ms.
[2026-05-26 18:12:58] [INFO ] Time to serialize gal into /tmp/UpperBounds7706416177955400430.gal : 9 ms
[2026-05-26 18:12:58] [INFO ] Time to serialize properties into /tmp/UpperBounds3551130094531092440.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/UpperBounds7706416177955400430.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds3551130094531092440.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...304
Loading property file /tmp/UpperBounds3551130094531092440.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="PolyORBLF-PT-S02J04T08"
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 PolyORBLF-PT-S02J04T08, 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 r223-smll-177969946400053"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/PolyORBLF-PT-S02J04T08.tgz
mv PolyORBLF-PT-S02J04T08 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 ;