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-177969946400052.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-S02J04T06, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r223-smll-177969946400052
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.7M
-rw-r--r-- 1 mcc users 21K Mar 8 15:00 CTLCardinality.txt
-rw-r--r-- 1 mcc users 136K Mar 8 15:00 CTLCardinality.xml
-rw-r--r-- 1 mcc users 17K Mar 8 15:00 CTLFireability.txt
-rw-r--r-- 1 mcc users 97K 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 6.0K Mar 16 08:40 LTLCardinality.txt
-rw-r--r-- 1 mcc users 32K Mar 16 08:40 LTLCardinality.xml
-rw-r--r-- 1 mcc users 9.4K Mar 16 08:40 LTLFireability.txt
-rw-r--r-- 1 mcc users 44K Mar 16 08:40 LTLFireability.xml
-rw-r--r-- 1 mcc users 25K Mar 8 15:00 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 143K Mar 8 15:00 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 33K Mar 8 15:00 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 187K Mar 8 15:00 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 3.7K Mar 16 08:40 UpperBounds.txt
-rw-r--r-- 1 mcc users 7.4K Mar 16 08:40 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 862K Mar 3 18:30 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of positive values
NUM_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME PolyORBLF-PT-S02J04T06-UpperBounds-00
FORMULA_NAME PolyORBLF-PT-S02J04T06-UpperBounds-01
FORMULA_NAME PolyORBLF-PT-S02J04T06-UpperBounds-02
FORMULA_NAME PolyORBLF-PT-S02J04T06-UpperBounds-03
FORMULA_NAME PolyORBLF-PT-S02J04T06-UpperBounds-04
FORMULA_NAME PolyORBLF-PT-S02J04T06-UpperBounds-05
FORMULA_NAME PolyORBLF-PT-S02J04T06-UpperBounds-06
FORMULA_NAME PolyORBLF-PT-S02J04T06-UpperBounds-07
FORMULA_NAME PolyORBLF-PT-S02J04T06-UpperBounds-08
FORMULA_NAME PolyORBLF-PT-S02J04T06-UpperBounds-09
FORMULA_NAME PolyORBLF-PT-S02J04T06-UpperBounds-10
FORMULA_NAME PolyORBLF-PT-S02J04T06-UpperBounds-11
FORMULA_NAME PolyORBLF-PT-S02J04T06-UpperBounds-12
FORMULA_NAME PolyORBLF-PT-S02J04T06-UpperBounds-13
FORMULA_NAME PolyORBLF-PT-S02J04T06-UpperBounds-14
FORMULA_NAME PolyORBLF-PT-S02J04T06-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779816053505

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=PolyORBLF-PT-S02J04T06
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-26 17:20:56] [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 17:20:56] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-26 17:20:56] [INFO ] Load time of PNML (sax parser for PT used): 343 ms
[2026-05-26 17:20:56] [INFO ] Transformed 476 places.
[2026-05-26 17:20:56] [INFO ] Transformed 920 transitions.
[2026-05-26 17:20:56] [INFO ] Parsed PT model containing 476 places and 920 transitions and 4242 arcs in 604 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 14 ms.
Reduction of identical properties reduced properties to check from 16 to 15
Ensure Unique test removed 96 transitions
Reduce redundant transitions removed 96 transitions.
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 10, 0, 9] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 10, 0, 9] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2026-05-26 17:20:56] [INFO ] Flow matrix only has 812 transitions (discarded 12 similar events)
// Phase 1: matrix 812 rows 476 cols
[2026-05-26 17:20:56] [INFO ] Computed 46 invariants in 112 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 10, 0, 9] Max Struct:[534, +inf, 87, 534, 1, +inf, +inf, 6, 1, 49, +inf, +inf, +inf, +inf, 10]
FORMULA PolyORBLF-PT-S02J04T06-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 10000 steps (3 resets) in 165 ms. (60 steps per ms)
FORMULA PolyORBLF-PT-S02J04T06-UpperBounds-14 10 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA PolyORBLF-PT-S02J04T06-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 120005 steps (28 resets) in 721 ms. (166 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 6, 1, 2, 1, 2, 1, 1, 2, 2, 10, 1] Max Struct:[534, +inf, 87, 534, +inf, +inf, 6, 49, +inf, +inf, +inf, +inf]
[2026-05-26 17:20:58] [INFO ] Flow matrix only has 812 transitions (discarded 12 similar events)
[2026-05-26 17:20:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 17:20:58] [INFO ] [Real]Absence check using 11 positive place invariants in 32 ms returned sat
[2026-05-26 17:20:58] [INFO ] [Real]Absence check using 11 positive and 35 generalized place invariants in 59 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 17:20:58] [INFO ] [Real]Absence check using 11 positive place invariants in 25 ms returned sat
[2026-05-26 17:20:59] [INFO ] [Real]Absence check using 11 positive and 35 generalized place invariants in 47 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 17:20:59] [INFO ] [Real]Absence check using 11 positive place invariants in 22 ms returned sat
[2026-05-26 17:20:59] [INFO ] [Real]Absence check using 11 positive and 35 generalized place invariants in 48 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 17:20:59] [INFO ] [Real]Absence check using 11 positive place invariants in 15 ms returned sat
[2026-05-26 17:20:59] [INFO ] [Real]Absence check using 11 positive and 35 generalized place invariants in 23 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 17:20:59] [INFO ] [Real]Absence check using 11 positive place invariants in 13 ms returned sat
[2026-05-26 17:20:59] [INFO ] [Real]Absence check using 11 positive and 35 generalized place invariants in 17 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 17:20:59] [INFO ] [Real]Absence check using 11 positive place invariants in 18 ms returned sat
[2026-05-26 17:20:59] [INFO ] [Real]Absence check using 11 positive and 35 generalized place invariants in 50 ms returned sat
[2026-05-26 17:21:00] [INFO ] [Real]Absence check using state equation in 920 ms returned sat
[2026-05-26 17:21:00] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 17:21:01] [INFO ] [Nat]Absence check using 11 positive place invariants in 16 ms returned sat
[2026-05-26 17:21:01] [INFO ] [Nat]Absence check using 11 positive and 35 generalized place invariants in 43 ms returned sat
[2026-05-26 17:21:02] [INFO ] [Nat]Absence check using state equation in 1320 ms returned sat
[2026-05-26 17:21:02] [INFO ] State equation strengthened by 72 read => feed constraints.
[2026-05-26 17:21:02] [INFO ] [Nat]Added 72 Read/Feed constraints in 418 ms returned sat
[2026-05-26 17:21:03] [INFO ] Computed and/alt/rep : 558/1858/552 causal constraints (skipped 258 transitions) in 101 ms.
[2026-05-26 17:21:05] [INFO ] Added : 85 causal constraints over 17 iterations in 3007 ms. Result :unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 17:21:06] [INFO ] [Real]Absence check using 11 positive place invariants in 14 ms returned sat
[2026-05-26 17:21:06] [INFO ] [Real]Absence check using 11 positive and 35 generalized place invariants in 10 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 17:21:06] [INFO ] [Real]Absence check using 11 positive place invariants in 15 ms returned sat
[2026-05-26 17:21:06] [INFO ] [Real]Absence check using 11 positive and 35 generalized place invariants in 45 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 17:21:06] [INFO ] [Real]Absence check using 11 positive place invariants in 14 ms returned sat
[2026-05-26 17:21:06] [INFO ] [Real]Absence check using 11 positive and 35 generalized place invariants in 47 ms returned sat
[2026-05-26 17:21:08] [INFO ] [Real]Absence check using state equation in 1401 ms returned sat
[2026-05-26 17:21:08] [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 17:21:08] [INFO ] [Nat]Absence check using 11 positive place invariants in 10 ms returned sat
[2026-05-26 17:21:08] [INFO ] [Nat]Absence check using 11 positive and 35 generalized place invariants in 28 ms returned sat
[2026-05-26 17:21:09] [INFO ] [Nat]Absence check using state equation in 1053 ms returned sat
[2026-05-26 17:21:09] [INFO ] [Nat]Added 72 Read/Feed constraints in 373 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:21:09] [INFO ] Deduced a trap composed of 65 places in 84 ms of which 14 ms to minimize.
[2026-05-26 17:21:09] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 165 ms
[2026-05-26 17:21:09] [INFO ] Computed and/alt/rep : 558/1858/552 causal constraints (skipped 258 transitions) in 85 ms.
[2026-05-26 17:21:13] [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 8
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.DeadlockTester.refineWithCausalOrder(DeadlockTester.java:1140)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:878)
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 17:21:13] [INFO ] [Real]Absence check using 11 positive place invariants in 15 ms returned sat
[2026-05-26 17:21:13] [INFO ] [Real]Absence check using 11 positive and 35 generalized place invariants in 20 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 17:21:13] [INFO ] [Real]Absence check using 11 positive place invariants in 15 ms returned sat
[2026-05-26 17:21:13] [INFO ] [Real]Absence check using 11 positive and 35 generalized place invariants in 44 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 17:21:13] [INFO ] [Real]Absence check using 11 positive place invariants in 14 ms returned sat
[2026-05-26 17:21:13] [INFO ] [Real]Absence check using 11 positive and 35 generalized place invariants in 43 ms returned unsat
Current structural bounds on expressions (after SMT) : Max Seen:[1, 6, 1, 2, 1, 2, 1, 1, 2, 2, 10, 1] Max Struct:[1, 6, 1, 2, 1, +inf, 1, 1, +inf, 2, 10, 1]
FORMULA PolyORBLF-PT-S02J04T06-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBLF-PT-S02J04T06-UpperBounds-12 10 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBLF-PT-S02J04T06-UpperBounds-11 2 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBLF-PT-S02J04T06-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBLF-PT-S02J04T06-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBLF-PT-S02J04T06-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBLF-PT-S02J04T06-UpperBounds-03 2 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBLF-PT-S02J04T06-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBLF-PT-S02J04T06-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBLF-PT-S02J04T06-UpperBounds-01 6 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBLF-PT-S02J04T06-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 2] Max Struct:[+inf, +inf]
Support contains 7 out of 476 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 476/476 places, 824/824 transitions.
Ensure Unique test removed 2 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 48 transitions
Trivial Post-agglo rules discarded 48 transitions
Performed 48 trivial Post agglomeration. Transition count delta: 48
Iterating post reduction 0 with 50 rules applied. Total rules applied 50 place count 474 transition count 776
Reduce places removed 48 places and 0 transitions.
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Iterating post reduction 1 with 54 rules applied. Total rules applied 104 place count 426 transition count 770
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 110 place count 420 transition count 770
Performed 48 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 48 Pre rules applied. Total rules applied 110 place count 420 transition count 722
Deduced a syphon composed of 48 places in 4 ms
Reduce places removed 48 places and 0 transitions.
Iterating global reduction 3 with 96 rules applied. Total rules applied 206 place count 372 transition count 722
Performed 47 Post agglomeration using F-continuation condition.Transition count delta: 47
Deduced a syphon composed of 47 places in 2 ms
Reduce places removed 47 places and 0 transitions.
Iterating global reduction 3 with 94 rules applied. Total rules applied 300 place count 325 transition count 675
Free-agglomeration rule (complex) applied 6 times.
Iterating global reduction 3 with 6 rules applied. Total rules applied 306 place count 325 transition count 669
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 3 with 6 rules applied. Total rules applied 312 place count 319 transition count 669
Applied a total of 312 rules in 407 ms. Remains 319 /476 variables (removed 157) and now considering 669/824 (removed 155) transitions.
Running 667 sub problems to find dead transitions.
[2026-05-26 17:21:14] [INFO ] Flow matrix only has 657 transitions (discarded 12 similar events)
// Phase 1: matrix 657 rows 319 cols
[2026-05-26 17:21:14] [INFO ] Computed 44 invariants in 34 ms
[2026-05-26 17:21:14] [INFO ] State equation strengthened by 72 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/317 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 667 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/317 variables, 26/42 constraints. Problems are: Problem set: 0 solved, 667 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:21:24] [INFO ] Deduced a trap composed of 15 places in 452 ms of which 43 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:21:24] [INFO ] Deduced a trap composed of 39 places in 158 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:21:24] [INFO ] Deduced a trap composed of 39 places in 88 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:21:24] [INFO ] Deduced a trap composed of 39 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 17:21:24] [INFO ] Deduced a trap composed of 39 places in 84 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:21:24] [INFO ] Deduced a trap composed of 39 places in 70 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:21:25] [INFO ] Deduced a trap composed of 102 places in 521 ms of which 73 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:21:25] [INFO ] Deduced a trap composed of 40 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 17:21:27] [INFO ] Deduced a trap composed of 26 places in 532 ms of which 44 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:21:27] [INFO ] Deduced a trap composed of 49 places in 404 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:21:30] [INFO ] Deduced a trap composed of 97 places in 418 ms of which 72 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:21:33] [INFO ] Deduced a trap composed of 103 places in 304 ms of which 41 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:21:34] [INFO ] Deduced a trap composed of 97 places in 549 ms of which 85 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:21:34] [INFO ] Deduced a trap composed of 80 places in 340 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:21:35] [INFO ] Deduced a trap composed of 25 places in 272 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:21:35] [INFO ] Deduced a trap composed of 116 places in 374 ms of which 41 ms to minimize.
Error getting values : (error "ParserException while parsing response: ((s0 0.0)
(s1 0.0)
(s2 0.0)
(s3 9.0)
(s4 0.0)
(s5 0.0)
(s6 0.0)
(s7 0.0)
(s8 0.0)
(s9 0.0)
(s10 0.0)
(s11 0.0)
(s12 0.0)
(s13 0.0)
(s14 0.0)
(s15 0.0)
(s16 0.0)
(s17 1.0)
(s18 0.0)
(s19 0.0)
(s20 0.0)
(s21 0.0)
(s22 0.0)
(s23 0.0)
(s24 1.0)
(s25 0.0)
(s26 0.0)
(s27 0.0)
(s28 0.0)
(s29 0.0)
(s30 0.0)
(s31 0.0)
(s32 0.0)
(s33 0.0)
(s34 0.0)
(s35 0.0)
(s36 0.0)
(s37 1.0)
(s38 0.0)
(s39 0.0)
(s40 0.0)
(s41 0.0)
(s42 0.0)
(s43 0.0)
(s44 1.0)
(s45 0.0)
(s46 0.0)
(s47 0.0)
(s48 0.0)
(s49 0.0)
(s50 0.0)
(s51 0.0)
(s52 0.0)
(s53 0.0)
(s54 0.0)
(s55 0.0)
(s56 0.0)
(s57 0.0)
(s58 0.0)
(s59 0.0)
(s60 0.0)
(s61 1.0)
(s62 0.0)
(s63 0.0)
(s64 0.0)
(s65 0.0)
(s66 0.0)
(s67 0.0)
(s68 0.0)
(s69 0.0)
(s70 0.0)
(s71 0.0)
(s72 0.0)
(s73 1.0)
(s74 0.0)
(s75 0.0)
(s76 0.0)
(s77 0.0)
(s78 0.0)
(s79 0.0)
(s80 0.0)
(s81 0.0)
(s82 0.0)
(s83 0.0)
(s84 0.0)
(s85 0.0)
(s86 0.0)
(s87 0.0)
(s88 0.0)
(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 0.0)
(s98 0.0)
(s99 0.0)
(s100 1.0)
(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 0.0)
(s110 0.0)
(s111 0.0)
(s112 0.0)
(s113 0.0)
(s114 0.0)
(s115 0.0)
(s116 1.0)
(s117 0.0)
(s118 0.0)
(s119 0.0)
(s120 0.0)
(s121 0.0)
(s122 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 317/976 variables, and 58 constraints, problems are : Problem set: 0 solved, 667 unsolved in 20052 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, Generalized P Invariants (flows): 26/28 constraints, State Equation: 0/319 constraints, ReadFeed: 0/72 constraints, PredecessorRefiner: 667/667 constraints, Known Traps: 16/16 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 667 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/317 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 667 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/317 variables, 26/42 constraints. Problems are: Problem set: 0 solved, 667 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/317 variables, 16/58 constraints. Problems are: Problem set: 0 solved, 667 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:21:48] [INFO ] Deduced a trap composed of 169 places in 526 ms of which 92 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:21:55] [INFO ] Deduced a trap composed of 108 places in 600 ms of which 78 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 317/976 variables, and 60 constraints, problems are : Problem set: 0 solved, 667 unsolved in 20031 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, Generalized P Invariants (flows): 26/28 constraints, State Equation: 0/319 constraints, ReadFeed: 0/72 constraints, PredecessorRefiner: 0/667 constraints, Known Traps: 18/18 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41252ms problems are : Problem set: 0 solved, 667 unsolved
Search for dead transitions found 0 dead transitions in 41291ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41751 ms. Remains : 319/476 places, 669/824 transitions.
[2026-05-26 17:21:56] [INFO ] Flow matrix only has 657 transitions (discarded 12 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 17:22:44] [INFO ] Flow matrix only has 657 transitions (discarded 12 similar events)
[2026-05-26 17:22:44] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2, 2] Max Struct:[186, 34]
RANDOM walk for 1000000 steps (575 resets) in 4618 ms. (216 steps per ms)
BEST_FIRST walk for 2000001 steps (496 resets) in 4151 ms. (481 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 2] Max Struct:[186, 34]
[2026-05-26 17:22:53] [INFO ] Flow matrix only has 657 transitions (discarded 12 similar events)
[2026-05-26 17:22:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 17:22:53] [INFO ] [Real]Absence check using 16 positive place invariants in 11 ms returned sat
[2026-05-26 17:22:53] [INFO ] [Real]Absence check using 16 positive and 28 generalized place invariants in 19 ms returned sat
[2026-05-26 17:22:53] [INFO ] [Real]Absence check using state equation in 499 ms returned sat
[2026-05-26 17:22:53] [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 17:22:53] [INFO ] [Nat]Absence check using 16 positive place invariants in 17 ms returned sat
[2026-05-26 17:22:53] [INFO ] [Nat]Absence check using 16 positive and 28 generalized place invariants in 29 ms returned sat
[2026-05-26 17:22:55] [INFO ] [Nat]Absence check using state equation in 1643 ms returned sat
[2026-05-26 17:22:55] [INFO ] State equation strengthened by 72 read => feed constraints.
[2026-05-26 17:22:55] [INFO ] [Nat]Added 72 Read/Feed constraints in 296 ms returned sat
[2026-05-26 17:22:55] [INFO ] Computed and/alt/rep : 361/1579/355 causal constraints (skipped 300 transitions) in 72 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:22:58] [INFO ] Deduced a trap composed of 39 places in 78 ms of which 6 ms to minimize.
[2026-05-26 17:22:58] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 258 ms
[2026-05-26 17:22:58] [INFO ] Added : 63 causal constraints over 14 iterations in 2813 ms. Result :sat
Minimization took 3959 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 17:23:02] [INFO ] [Real]Absence check using 16 positive place invariants in 10 ms returned sat
[2026-05-26 17:23:02] [INFO ] [Real]Absence check using 16 positive and 28 generalized place invariants in 18 ms returned sat
[2026-05-26 17:23:03] [INFO ] [Real]Absence check using state equation in 444 ms returned sat
[2026-05-26 17:23:03] [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 17:23:03] [INFO ] [Nat]Absence check using 16 positive place invariants in 11 ms returned sat
[2026-05-26 17:23:03] [INFO ] [Nat]Absence check using 16 positive and 28 generalized place invariants in 18 ms returned sat
[2026-05-26 17:23:04] [INFO ] [Nat]Absence check using state equation in 841 ms returned sat
[2026-05-26 17:23:04] [INFO ] [Nat]Added 72 Read/Feed constraints in 426 ms returned sat
[2026-05-26 17:23:04] [INFO ] Computed and/alt/rep : 361/1579/355 causal constraints (skipped 300 transitions) in 47 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:23:06] [INFO ] Deduced a trap composed of 39 places in 108 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:23:07] [INFO ] Deduced a trap composed of 39 places in 69 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:23:07] [INFO ] Deduced a trap composed of 39 places in 70 ms of which 5 ms to minimize.
[2026-05-26 17:23:07] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 493 ms
[2026-05-26 17:23:07] [INFO ] Added : 96 causal constraints over 20 iterations in 2963 ms. Result :sat
Minimization took 3227 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2, 2] Max Struct:[186, 34]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 2] Max Struct:[186, 34]
Support contains 7 out of 319 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 319/319 places, 669/669 transitions.
Applied a total of 0 rules in 25 ms. Remains 319 /319 variables (removed 0) and now considering 669/669 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26 ms. Remains : 319/319 places, 669/669 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 319/319 places, 669/669 transitions.
Applied a total of 0 rules in 23 ms. Remains 319 /319 variables (removed 0) and now considering 669/669 (removed 0) transitions.
[2026-05-26 17:23:12] [INFO ] Flow matrix only has 657 transitions (discarded 12 similar events)
[2026-05-26 17:23:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 17:23:13] [INFO ] Implicit Places using invariants in 1368 ms returned [80, 161, 183, 185, 281, 293]
Discarding 6 places :
Implicit Place search using SMT only with invariants took 1373 ms to find 6 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 313/319 places, 669/669 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 309 transition count 665
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 309 transition count 665
Applied a total of 8 rules in 54 ms. Remains 309 /313 variables (removed 4) and now considering 665/669 (removed 4) transitions.
[2026-05-26 17:23:13] [INFO ] Flow matrix only has 653 transitions (discarded 12 similar events)
// Phase 1: matrix 653 rows 309 cols
[2026-05-26 17:23:13] [INFO ] Computed 38 invariants in 11 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 17:23:15] [INFO ] Implicit Places using invariants in 1398 ms returned []
[2026-05-26 17:23:15] [INFO ] Flow matrix only has 653 transitions (discarded 12 similar events)
[2026-05-26 17:23:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 17:23:15] [INFO ] State equation strengthened by 72 read => feed constraints.
[2026-05-26 17:23:24] [INFO ] Implicit Places using invariants and state equation in 8981 ms returned []
Implicit Place search using SMT with State Equation took 10382 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 309/319 places, 665/669 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 11834 ms. Remains : 309/319 places, 665/669 transitions.
[2026-05-26 17:23:24] [INFO ] Flow matrix only has 653 transitions (discarded 12 similar events)
[2026-05-26 17:23:24] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2, 2] Max Struct:[90, 16]
RANDOM walk for 1000000 steps (558 resets) in 3793 ms. (263 steps per ms)
BEST_FIRST walk for 2000002 steps (444 resets) in 3779 ms. (529 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 2] Max Struct:[90, 16]
[2026-05-26 17:23:31] [INFO ] Flow matrix only has 653 transitions (discarded 12 similar events)
[2026-05-26 17:23:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 17:23:31] [INFO ] [Real]Absence check using 14 positive place invariants in 14 ms returned sat
[2026-05-26 17:23:31] [INFO ] [Real]Absence check using 14 positive and 24 generalized place invariants in 29 ms returned sat
[2026-05-26 17:23:32] [INFO ] [Real]Absence check using state equation in 775 ms returned sat
[2026-05-26 17:23:32] [INFO ] State equation strengthened by 72 read => feed constraints.
[2026-05-26 17:23:32] [INFO ] [Real]Added 72 Read/Feed constraints in 128 ms returned sat
[2026-05-26 17:23:32] [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 17:23:32] [INFO ] [Nat]Absence check using 14 positive place invariants in 9 ms returned sat
[2026-05-26 17:23:32] [INFO ] [Nat]Absence check using 14 positive and 24 generalized place invariants in 20 ms returned sat
[2026-05-26 17:23:33] [INFO ] [Nat]Absence check using state equation in 607 ms returned sat
[2026-05-26 17:23:33] [INFO ] [Nat]Added 72 Read/Feed constraints in 374 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:23:34] [INFO ] Deduced a trap composed of 15 places in 374 ms of which 36 ms to minimize.
[2026-05-26 17:23:34] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 589 ms
[2026-05-26 17:23:34] [INFO ] Computed and/alt/rep : 357/1574/351 causal constraints (skipped 300 transitions) in 87 ms.
[2026-05-26 17:23:38] [INFO ] Added : 90 causal constraints over 18 iterations in 3602 ms. Result :sat
Minimization took 3554 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 17:23:41] [INFO ] [Real]Absence check using 14 positive place invariants in 8 ms returned sat
[2026-05-26 17:23:41] [INFO ] [Real]Absence check using 14 positive and 24 generalized place invariants in 23 ms returned sat
[2026-05-26 17:23:42] [INFO ] [Real]Absence check using state equation in 755 ms returned sat
[2026-05-26 17:23:42] [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 17:23:42] [INFO ] [Nat]Absence check using 14 positive place invariants in 9 ms returned sat
[2026-05-26 17:23:42] [INFO ] [Nat]Absence check using 14 positive and 24 generalized place invariants in 26 ms returned sat
[2026-05-26 17:23:46] [INFO ] [Nat]Absence check using state equation in 4294 ms returned sat
[2026-05-26 17:23:47] [INFO ] [Nat]Added 72 Read/Feed constraints in 388 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:23:47] [INFO ] Deduced a trap composed of 15 places in 475 ms of which 38 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:23:48] [INFO ] Deduced a trap composed of 97 places in 526 ms of which 77 ms to minimize.
[2026-05-26 17:23:49] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1796 ms
[2026-05-26 17:23:49] [INFO ] Computed and/alt/rep : 357/1574/351 causal constraints (skipped 300 transitions) in 76 ms.
[2026-05-26 17:23:51] [INFO ] Added : 36 causal constraints over 8 iterations in 2227 ms. Result :sat
Minimization took 3041 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2, 2] Max Struct:[90, 16]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 2] Max Struct:[90, 16]
Support contains 7 out of 309 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 309/309 places, 665/665 transitions.
Applied a total of 0 rules in 22 ms. Remains 309 /309 variables (removed 0) and now considering 665/665 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34 ms. Remains : 309/309 places, 665/665 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 309/309 places, 665/665 transitions.
Applied a total of 0 rules in 21 ms. Remains 309 /309 variables (removed 0) and now considering 665/665 (removed 0) transitions.
[2026-05-26 17:23:55] [INFO ] Flow matrix only has 653 transitions (discarded 12 similar events)
[2026-05-26 17:23:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 17:23:56] [INFO ] Implicit Places using invariants in 1163 ms returned []
[2026-05-26 17:23:56] [INFO ] Flow matrix only has 653 transitions (discarded 12 similar events)
[2026-05-26 17:23:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 17:23:57] [INFO ] State equation strengthened by 72 read => feed constraints.
[2026-05-26 17:24:05] [INFO ] Implicit Places using invariants and state equation in 8870 ms returned []
Implicit Place search using SMT with State Equation took 10041 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-26 17:24:05] [INFO ] Redundant transitions in 81 ms returned []
Running 663 sub problems to find dead transitions.
[2026-05-26 17:24:05] [INFO ] Flow matrix only has 653 transitions (discarded 12 similar events)
[2026-05-26 17:24:05] [INFO ] Invariant cache hit.
[2026-05-26 17:24:05] [INFO ] State equation strengthened by 72 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/307 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 663 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/307 variables, 22/36 constraints. Problems are: Problem set: 0 solved, 663 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:24:14] [INFO ] Deduced a trap composed of 15 places in 178 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:24:14] [INFO ] Deduced a trap composed of 39 places in 82 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:24:14] [INFO ] Deduced a trap composed of 39 places in 110 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:24:14] [INFO ] Deduced a trap composed of 40 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 17:24:14] [INFO ] Deduced a trap composed of 39 places in 74 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:24:14] [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 17:24:15] [INFO ] Deduced a trap composed of 102 places in 347 ms of which 45 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:24:15] [INFO ] Deduced a trap composed of 40 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 17:24:17] [INFO ] Deduced a trap composed of 49 places in 458 ms of which 57 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:24:19] [INFO ] Deduced a trap composed of 97 places in 488 ms of which 72 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:24:21] [INFO ] Deduced a trap composed of 168 places in 447 ms of which 57 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:24:21] [INFO ] Deduced a trap composed of 173 places in 480 ms of which 89 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:24:23] [INFO ] Deduced a trap composed of 116 places in 446 ms of which 51 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:24:23] [INFO ] Deduced a trap composed of 97 places in 500 ms of which 77 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:24:24] [INFO ] Deduced a trap composed of 108 places in 532 ms of which 99 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:24:26] [INFO ] Deduced a trap composed of 26 places in 450 ms of which 47 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/307 variables, 16/52 constraints. Problems are: Problem set: 0 solved, 663 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:24:31] [INFO ] Deduced a trap composed of 25 places in 276 ms of which 34 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 307/962 variables, and 53 constraints, problems are : Problem set: 0 solved, 663 unsolved in 30039 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 22/24 constraints, State Equation: 0/309 constraints, ReadFeed: 0/72 constraints, PredecessorRefiner: 663/663 constraints, Known Traps: 17/17 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 663 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/307 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 663 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/307 variables, 22/36 constraints. Problems are: Problem set: 0 solved, 663 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/307 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 663 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 307/962 variables, and 53 constraints, problems are : Problem set: 0 solved, 663 unsolved in 30041 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 22/24 constraints, State Equation: 0/309 constraints, ReadFeed: 0/72 constraints, PredecessorRefiner: 0/663 constraints, Known Traps: 17/17 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60872ms problems are : Problem set: 0 solved, 663 unsolved
Search for dead transitions found 0 dead transitions in 60878ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 71042 ms. Remains : 309/309 places, 665/665 transitions.
RANDOM walk for 40000 steps (24 resets) in 1825 ms. (21 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (12 resets) in 435 ms. (91 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (14 resets) in 426 ms. (93 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (12 resets) in 243 ms. (163 steps per ms) remains 4/4 properties
[2026-05-26 17:25:07] [INFO ] Flatten gal took : 420 ms
BEST_FIRST walk for 40002 steps (14 resets) in 388 ms. (102 steps per ms) remains 4/4 properties
[2026-05-26 17:25:07] [INFO ] Flatten gal took : 174 ms
[2026-05-26 17:25:07] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8899337517759562529.gal : 73 ms
[2026-05-26 17:25:07] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13039768855517272874.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/ReachabilityCardinality8899337517759562529.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13039768855517272874.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/ReachabilityCardinality13039768855517272874.prop.
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :1 after 12
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :12 after 16
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :16 after 17
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :17 after 23
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :23 after 28
SDD proceeding with computation,4 properties remain. new max is 128
SDD size :28 after 140
SDD proceeding with computation,4 properties remain. new max is 256
SDD size :140 after 608
SDD proceeding with computation,4 properties remain. new max is 512
SDD size :608 after 920
SDD proceeding with computation,4 properties remain. new max is 1024
SDD size :920 after 2960
SDD proceeding with computation,4 properties remain. new max is 2048
SDD size :2960 after 12283
SDD proceeding with computation,4 properties remain. new max is 4096
SDD size :12283 after 14214
Interrupted probabilistic random walk after 131831 steps, run timeout after 3001 ms. (steps per millisecond=43 ) properties seen :0 out of 4
Probabilistic random walk after 131831 steps, saw 73652 distinct states, run finished after 3007 ms. (steps per millisecond=43 ) properties seen :0
[2026-05-26 17:25:10] [INFO ] Flow matrix only has 653 transitions (discarded 12 similar events)
[2026-05-26 17:25:10] [INFO ] Invariant cache hit.
[2026-05-26 17:25:10] [INFO ] State equation strengthened by 72 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 196/203 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:25:10] [INFO ] Deduced a trap composed of 87 places in 240 ms of which 22 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/203 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/203 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Problem MAX0 is UNSAT
Problem MAX1 is UNSAT
At refinement iteration 4 (OVERLAPS) 70/273 variables, 11/20 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/273 variables, 0/20 constraints. Problems are: Problem set: 2 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 1/274 variables, 1/21 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/274 variables, 0/21 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 32/306 variables, 16/37 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/306 variables, 0/37 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 1/307 variables, 1/38 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/307 variables, 0/38 constraints. Problems are: Problem set: 2 solved, 2 unsolved
SDD proceeding with computation,4 properties remain. new max is 8192
SDD size :14214 after 37412
At refinement iteration 12 (OVERLAPS) 653/960 variables, 307/345 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/960 variables, 72/417 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/960 variables, 0/417 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 2/962 variables, 2/419 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 1/420 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/962 variables, 0/420 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 18 (OVERLAPS) 0/962 variables, 0/420 constraints. Problems are: Problem set: 2 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 962/962 variables, and 420 constraints, problems are : Problem set: 2 solved, 2 unsolved in 2319 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 309/309 constraints, ReadFeed: 72/72 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 2 solved, 2 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 0/0 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 196/203 variables, 8/8 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/203 variables, 1/9 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/203 variables, 0/9 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 70/273 variables, 11/20 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/273 variables, 0/20 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 1/274 variables, 1/21 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/274 variables, 0/21 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 32/306 variables, 16/37 constraints. Problems are: Problem set: 2 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:25:13] [INFO ] Deduced a trap composed of 39 places in 165 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:25:13] [INFO ] Deduced a trap composed of 39 places in 160 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:25:13] [INFO ] Deduced a trap composed of 39 places in 120 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:25:13] [INFO ] Deduced a trap composed of 40 places in 106 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:25:13] [INFO ] Deduced a trap composed of 40 places in 72 ms of which 4 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/306 variables, 5/42 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/306 variables, 0/42 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 1/307 variables, 1/43 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/307 variables, 0/43 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 653/960 variables, 307/350 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/960 variables, 72/422 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/960 variables, 2/424 constraints. Problems are: Problem set: 2 solved, 2 unsolved
SDD proceeding with computation,4 properties remain. new max is 16384
SDD size :37412 after 324200
At refinement iteration 16 (INCLUDED_ONLY) 0/960 variables, 0/424 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 2/962 variables, 2/426 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/962 variables, 1/427 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/962 variables, 0/427 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 20 (OVERLAPS) 0/962 variables, 0/427 constraints. Problems are: Problem set: 2 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 962/962 variables, and 427 constraints, problems are : Problem set: 2 solved, 2 unsolved in 3759 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 309/309 constraints, ReadFeed: 72/72 constraints, PredecessorRefiner: 2/4 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 6096ms problems are : Problem set: 2 solved, 2 unsolved
Parikh walk visited 0 properties in 614 ms.
Support contains 7 out of 309 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 309/309 places, 665/665 transitions.
Applied a total of 0 rules in 21 ms. Remains 309 /309 variables (removed 0) and now considering 665/665 (removed 0) transitions.
Running 663 sub problems to find dead transitions.
[2026-05-26 17:25:17] [INFO ] Flow matrix only has 653 transitions (discarded 12 similar events)
[2026-05-26 17:25:17] [INFO ] Invariant cache hit.
[2026-05-26 17:25:17] [INFO ] State equation strengthened by 72 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/307 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 663 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/307 variables, 22/36 constraints. Problems are: Problem set: 0 solved, 663 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,4 properties remain. new max is 32768
SDD size :324200 after 829836
[2026-05-26 17:25:24] [INFO ] Deduced a trap composed of 15 places in 207 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:25:25] [INFO ] Deduced a trap composed of 39 places in 90 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:25:25] [INFO ] Deduced a trap composed of 39 places in 125 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:25:25] [INFO ] Deduced a trap composed of 40 places in 104 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:25:25] [INFO ] Deduced a trap composed of 39 places in 99 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:25:25] [INFO ] Deduced a trap composed of 40 places in 65 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:25:26] [INFO ] Deduced a trap composed of 102 places in 433 ms of which 47 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:25:26] [INFO ] Deduced a trap composed of 40 places in 72 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:25:27] [INFO ] Deduced a trap composed of 49 places in 324 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:25:28] [INFO ] Deduced a trap composed of 97 places in 393 ms of which 43 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:25:30] [INFO ] Deduced a trap composed of 168 places in 293 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:25:31] [INFO ] Deduced a trap composed of 173 places in 319 ms of which 54 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:25:32] [INFO ] Deduced a trap composed of 116 places in 260 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:25:32] [INFO ] Deduced a trap composed of 97 places in 332 ms of which 47 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:25:33] [INFO ] Deduced a trap composed of 108 places in 392 ms of which 60 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:25:34] [INFO ] Deduced a trap composed of 26 places in 340 ms of which 30 ms to minimize.
SDD proceeding with computation,4 properties remain. new max is 65536
SDD size :829836 after 1.04057e+06
At refinement iteration 2 (INCLUDED_ONLY) 0/307 variables, 16/52 constraints. Problems are: Problem set: 0 solved, 663 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 0.0)
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(s274 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 307/962 variables, and 52 constraints, problems are : Problem set: 0 solved, 663 unsolved in 20033 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 22/24 constraints, State Equation: 0/309 constraints, ReadFeed: 0/72 constraints, PredecessorRefiner: 663/663 constraints, Known Traps: 16/16 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 663 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/307 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 663 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/307 variables, 22/36 constraints. Problems are: Problem set: 0 solved, 663 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/307 variables, 16/52 constraints. Problems are: Problem set: 0 solved, 663 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:25:50] [INFO ] Deduced a trap composed of 25 places in 363 ms of which 25 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 307/962 variables, and 53 constraints, problems are : Problem set: 0 solved, 663 unsolved in 20030 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 22/24 constraints, State Equation: 0/309 constraints, ReadFeed: 0/72 constraints, PredecessorRefiner: 0/663 constraints, Known Traps: 17/17 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40613ms problems are : Problem set: 0 solved, 663 unsolved
Search for dead transitions found 0 dead transitions in 40616ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40641 ms. Remains : 309/309 places, 665/665 transitions.
Detected timeout of ITS tools.
RANDOM walk for 40000 steps (25 resets) in 442 ms. (90 steps per ms) remains 2/2 properties
[2026-05-26 17:25:58] [INFO ] Flatten gal took : 144 ms
[2026-05-26 17:25:58] [INFO ] Applying decomposition
BEST_FIRST walk for 40002 steps (14 resets) in 266 ms. (149 steps per ms) remains 2/2 properties
[2026-05-26 17:25:58] [INFO ] Flatten gal took : 92 ms
BEST_FIRST walk for 40002 steps (12 resets) in 246 ms. (161 steps per ms) remains 2/2 properties
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/graph14923394541081563884.txt' '-o' '/tmp/graph14923394541081563884.bin' '-w' '/tmp/graph14923394541081563884.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph14923394541081563884.bin' '-l' '-1' '-v' '-w' '/tmp/graph14923394541081563884.weights' '-q' '0' '-e' '0.001'
[2026-05-26 17:25:58] [INFO ] Decomposing Gal with order
[2026-05-26 17:25:58] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 17:25:59] [INFO ] Removed a total of 680 redundant transitions.
[2026-05-26 17:25:59] [INFO ] Flatten gal took : 332 ms
[2026-05-26 17:25:59] [INFO ] Fuse similar labels procedure discarded/fused a total of 369 labels/synchronizations in 67 ms.
[2026-05-26 17:25:59] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4704066962690930408.gal : 38 ms
[2026-05-26 17:25:59] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8128181330836501619.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/ReachabilityCardinality4704066962690930408.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8128181330836501619.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/ReachabilityCardinality8128181330836501619.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :3 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 33
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :33 after 47
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :47 after 50
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :970 after 1102
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :1102 after 1168
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :1168 after 1276
Interrupted probabilistic random walk after 159759 steps, run timeout after 3001 ms. (steps per millisecond=53 ) properties seen :0 out of 2
Probabilistic random walk after 159759 steps, saw 87981 distinct states, run finished after 3001 ms. (steps per millisecond=53 ) properties seen :0
[2026-05-26 17:26:01] [INFO ] Flow matrix only has 653 transitions (discarded 12 similar events)
[2026-05-26 17:26:01] [INFO ] Invariant cache hit.
[2026-05-26 17:26:01] [INFO ] State equation strengthened by 72 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 196/203 variables, 8/8 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 17:26:01] [INFO ] Deduced a trap composed of 87 places in 164 ms of which 27 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/203 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/203 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 70/273 variables, 11/20 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/273 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 1/274 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/274 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 32/306 variables, 16/37 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/306 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 1/307 variables, 1/38 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/307 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :1276 after 1962
At refinement iteration 12 (OVERLAPS) 653/960 variables, 307/345 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/960 variables, 72/417 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :7140 after 7500
At refinement iteration 14 (INCLUDED_ONLY) 0/960 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 2/962 variables, 2/419 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 1/420 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/962 variables, 0/420 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (OVERLAPS) 0/962 variables, 0/420 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 962/962 variables, and 420 constraints, problems are : Problem set: 0 solved, 2 unsolved in 2246 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 309/309 constraints, ReadFeed: 72/72 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 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) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 196/203 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/203 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/203 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 70/273 variables, 11/20 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/273 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 1/274 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/274 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 32/306 variables, 16/37 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 17:26:03] [INFO ] Deduced a trap composed of 39 places in 161 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:26:03] [INFO ] Deduced a trap composed of 39 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 17:26:04] [INFO ] Deduced a trap composed of 39 places in 134 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:26:04] [INFO ] Deduced a trap composed of 40 places in 102 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:26:04] [INFO ] Deduced a trap composed of 40 places in 67 ms of which 4 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/306 variables, 5/42 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/306 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 1/307 variables, 1/43 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/307 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 653/960 variables, 307/350 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :7500 after 15596
At refinement iteration 14 (INCLUDED_ONLY) 0/960 variables, 72/422 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/960 variables, 2/424 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/960 variables, 0/424 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 2/962 variables, 2/426 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/962 variables, 1/427 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 17:26:08] [INFO ] Deduced a trap composed of 15 places in 130 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:26:08] [INFO ] Deduced a trap composed of 40 places in 48 ms of which 3 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/962 variables, 2/429 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/962 variables, 0/429 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :15596 after 31430
At refinement iteration 21 (OVERLAPS) 0/962 variables, 0/429 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 962/962 variables, and 429 constraints, problems are : Problem set: 0 solved, 2 unsolved in 6271 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 309/309 constraints, ReadFeed: 72/72 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8530ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 816 ms.
Support contains 7 out of 309 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 309/309 places, 665/665 transitions.
Applied a total of 0 rules in 25 ms. Remains 309 /309 variables (removed 0) and now considering 665/665 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26 ms. Remains : 309/309 places, 665/665 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 309/309 places, 665/665 transitions.
Applied a total of 0 rules in 15 ms. Remains 309 /309 variables (removed 0) and now considering 665/665 (removed 0) transitions.
[2026-05-26 17:26:10] [INFO ] Flow matrix only has 653 transitions (discarded 12 similar events)
[2026-05-26 17:26:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 17:26:11] [INFO ] Implicit Places using invariants in 1201 ms returned []
[2026-05-26 17:26:11] [INFO ] Flow matrix only has 653 transitions (discarded 12 similar events)
[2026-05-26 17:26:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 17:26:12] [INFO ] State equation strengthened by 72 read => feed constraints.
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :54556 after 111470
[2026-05-26 17:26:21] [INFO ] Implicit Places using invariants and state equation in 10001 ms returned []
Implicit Place search using SMT with State Equation took 11205 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-26 17:26:21] [INFO ] Redundant transitions in 19 ms returned []
Running 663 sub problems to find dead transitions.
[2026-05-26 17:26:21] [INFO ] Flow matrix only has 653 transitions (discarded 12 similar events)
[2026-05-26 17:26:21] [INFO ] Invariant cache hit.
[2026-05-26 17:26:21] [INFO ] State equation strengthened by 72 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/307 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 663 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/307 variables, 22/36 constraints. Problems are: Problem set: 0 solved, 663 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:26:27] [INFO ] Deduced a trap composed of 15 places in 274 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:26:27] [INFO ] Deduced a trap composed of 39 places in 105 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:26:28] [INFO ] Deduced a trap composed of 39 places in 142 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:26:28] [INFO ] Deduced a trap composed of 40 places in 91 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:26:28] [INFO ] Deduced a trap composed of 39 places in 90 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:26:28] [INFO ] Deduced a trap composed of 40 places in 61 ms of which 4 ms to minimize.
SDD proceeding with computation,2 properties remain. new max is 65536
SDD size :428086 after 445400
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:26:28] [INFO ] Deduced a trap composed of 102 places in 415 ms of which 72 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:26:29] [INFO ] Deduced a trap composed of 40 places in 69 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:26:30] [INFO ] Deduced a trap composed of 49 places in 298 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:26:31] [INFO ] Deduced a trap composed of 97 places in 444 ms of which 73 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:26:33] [INFO ] Deduced a trap composed of 168 places in 271 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:26:33] [INFO ] Deduced a trap composed of 173 places in 313 ms of which 71 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:26:35] [INFO ] Deduced a trap composed of 116 places in 350 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:26:35] [INFO ] Deduced a trap composed of 97 places in 410 ms of which 78 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:26:36] [INFO ] Deduced a trap composed of 108 places in 411 ms of which 61 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:26:37] [INFO ] Deduced a trap composed of 26 places in 341 ms of which 29 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/307 variables, 16/52 constraints. Problems are: Problem set: 0 solved, 663 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:26:41] [INFO ] Deduced a trap composed of 25 places in 203 ms of which 21 ms to minimize.
Detected timeout of ITS tools.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 3 (INCLUDED_ONLY) 0/307 variables, 1/53 constraints. Problems are: Problem set: 0 solved, 663 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 307/962 variables, and 53 constraints, problems are : Problem set: 0 solved, 663 unsolved in 30026 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 22/24 constraints, State Equation: 0/309 constraints, ReadFeed: 0/72 constraints, PredecessorRefiner: 663/663 constraints, Known Traps: 17/17 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 663 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/307 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 663 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/307 variables, 22/36 constraints. Problems are: Problem set: 0 solved, 663 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/307 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 663 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 307/962 variables, and 53 constraints, problems are : Problem set: 0 solved, 663 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 22/24 constraints, State Equation: 0/309 constraints, ReadFeed: 0/72 constraints, PredecessorRefiner: 0/663 constraints, Known Traps: 17/17 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60542ms problems are : Problem set: 0 solved, 663 unsolved
Search for dead transitions found 0 dead transitions in 60549ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 71803 ms. Remains : 309/309 places, 665/665 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2, 2] Max Struct:[90, 16]
Starting property specific reduction for PolyORBLF-PT-S02J04T06-UpperBounds-06
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:[90]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[90]
[2026-05-26 17:27:22] [INFO ] Flow matrix only has 653 transitions (discarded 12 similar events)
[2026-05-26 17:27:22] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[90]
RANDOM walk for 10000 steps (3 resets) in 38 ms. (256 steps per ms)
BEST_FIRST walk for 10000 steps (3 resets) in 21 ms. (454 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[90]
[2026-05-26 17:27:22] [INFO ] Flow matrix only has 653 transitions (discarded 12 similar events)
[2026-05-26 17:27:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 17:27:22] [INFO ] [Real]Absence check using 14 positive place invariants in 8 ms returned sat
[2026-05-26 17:27:22] [INFO ] [Real]Absence check using 14 positive and 24 generalized place invariants in 19 ms returned sat
[2026-05-26 17:27:23] [INFO ] [Real]Absence check using state equation in 499 ms returned sat
[2026-05-26 17:27:23] [INFO ] State equation strengthened by 72 read => feed constraints.
[2026-05-26 17:27:23] [INFO ] [Real]Added 72 Read/Feed constraints in 120 ms returned sat
[2026-05-26 17:27:23] [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 17:27:23] [INFO ] [Nat]Absence check using 14 positive place invariants in 9 ms returned sat
[2026-05-26 17:27:23] [INFO ] [Nat]Absence check using 14 positive and 24 generalized place invariants in 19 ms returned sat
[2026-05-26 17:27:23] [INFO ] [Nat]Absence check using state equation in 603 ms returned sat
[2026-05-26 17:27:24] [INFO ] [Nat]Added 72 Read/Feed constraints in 376 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:27:24] [INFO ] Deduced a trap composed of 15 places in 441 ms of which 40 ms to minimize.
[2026-05-26 17:27:24] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 573 ms
[2026-05-26 17:27:24] [INFO ] Computed and/alt/rep : 357/1574/351 causal constraints (skipped 300 transitions) in 49 ms.
[2026-05-26 17:27:28] [INFO ] Added : 80 causal constraints over 16 iterations in 3364 ms. Result :unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[90]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[90]
Support contains 6 out of 309 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 309/309 places, 665/665 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 308 transition count 664
Applied a total of 2 rules in 36 ms. Remains 308 /309 variables (removed 1) and now considering 664/665 (removed 1) transitions.
Running 662 sub problems to find dead transitions.
[2026-05-26 17:27:28] [INFO ] Flow matrix only has 652 transitions (discarded 12 similar events)
// Phase 1: matrix 652 rows 308 cols
[2026-05-26 17:27:28] [INFO ] Computed 38 invariants in 18 ms
[2026-05-26 17:27:28] [INFO ] State equation strengthened by 72 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/306 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 662 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/306 variables, 19/36 constraints. Problems are: Problem set: 0 solved, 662 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:27:37] [INFO ] Deduced a trap composed of 15 places in 131 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:27:37] [INFO ] Deduced a trap composed of 39 places in 88 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:27:37] [INFO ] Deduced a trap composed of 40 places in 121 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:27:37] [INFO ] Deduced a trap composed of 40 places in 87 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:27:38] [INFO ] Deduced a trap composed of 39 places in 61 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:27:38] [INFO ] Deduced a trap composed of 39 places in 88 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:27:39] [INFO ] Deduced a trap composed of 26 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 17:27:40] [INFO ] Deduced a trap composed of 39 places in 498 ms of which 62 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:27:40] [INFO ] Deduced a trap composed of 49 places in 459 ms of which 53 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:27:43] [INFO ] Deduced a trap composed of 97 places in 483 ms of which 74 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:27:46] [INFO ] Deduced a trap composed of 82 places in 468 ms of which 43 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:27:46] [INFO ] Deduced a trap composed of 116 places in 438 ms of which 51 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:27:47] [INFO ] Deduced a trap composed of 97 places in 511 ms of which 79 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:27:48] [INFO ] Deduced a trap composed of 102 places in 469 ms of which 54 ms to minimize.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 306/960 variables, and 50 constraints, problems are : Problem set: 0 solved, 662 unsolved in 20024 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 19/21 constraints, State Equation: 0/308 constraints, ReadFeed: 0/72 constraints, PredecessorRefiner: 662/662 constraints, Known Traps: 14/14 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 662 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/306 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 662 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/306 variables, 19/36 constraints. Problems are: Problem set: 0 solved, 662 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/306 variables, 14/50 constraints. Problems are: Problem set: 0 solved, 662 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:27:58] [INFO ] Deduced a trap composed of 25 places in 149 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:27:59] [INFO ] Deduced a trap composed of 172 places in 427 ms of which 76 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 306/960 variables, and 52 constraints, problems are : Problem set: 0 solved, 662 unsolved in 20023 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 19/21 constraints, State Equation: 0/308 constraints, ReadFeed: 0/72 constraints, PredecessorRefiner: 0/662 constraints, Known Traps: 16/16 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40771ms problems are : Problem set: 0 solved, 662 unsolved
Search for dead transitions found 0 dead transitions in 40775ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40814 ms. Remains : 308/309 places, 664/665 transitions.
[2026-05-26 17:28:09] [INFO ] Flow matrix only has 652 transitions (discarded 12 similar events)
[2026-05-26 17:28:09] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[90]
RANDOM walk for 1000000 steps (554 resets) in 3954 ms. (252 steps per ms)
BEST_FIRST walk for 1000001 steps (260 resets) in 2294 ms. (435 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[90]
[2026-05-26 17:28:15] [INFO ] Flow matrix only has 652 transitions (discarded 12 similar events)
[2026-05-26 17:28:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 17:28:15] [INFO ] [Real]Absence check using 17 positive place invariants in 9 ms returned sat
[2026-05-26 17:28:15] [INFO ] [Real]Absence check using 17 positive and 21 generalized place invariants in 13 ms returned sat
[2026-05-26 17:28:16] [INFO ] [Real]Absence check using state equation in 809 ms returned sat
[2026-05-26 17:28:16] [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 17:28:16] [INFO ] [Nat]Absence check using 17 positive place invariants in 10 ms returned sat
[2026-05-26 17:28:16] [INFO ] [Nat]Absence check using 17 positive and 21 generalized place invariants in 14 ms returned sat
[2026-05-26 17:28:17] [INFO ] [Nat]Absence check using state equation in 543 ms returned sat
[2026-05-26 17:28:17] [INFO ] State equation strengthened by 72 read => feed constraints.
[2026-05-26 17:28:17] [INFO ] [Nat]Added 72 Read/Feed constraints in 561 ms returned sat
[2026-05-26 17:28:17] [INFO ] Computed and/alt/rep : 350/1553/344 causal constraints (skipped 306 transitions) in 72 ms.
[2026-05-26 17:28:18] [INFO ] Added : 33 causal constraints over 7 iterations in 1037 ms. Result :sat
Minimization took 3136 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[90]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[90]
Support contains 6 out of 308 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 308/308 places, 664/664 transitions.
Applied a total of 0 rules in 14 ms. Remains 308 /308 variables (removed 0) and now considering 664/664 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 308/308 places, 664/664 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 308/308 places, 664/664 transitions.
Applied a total of 0 rules in 15 ms. Remains 308 /308 variables (removed 0) and now considering 664/664 (removed 0) transitions.
[2026-05-26 17:28:22] [INFO ] Flow matrix only has 652 transitions (discarded 12 similar events)
[2026-05-26 17:28:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 17:28:23] [INFO ] Implicit Places using invariants in 1019 ms returned []
[2026-05-26 17:28:23] [INFO ] Flow matrix only has 652 transitions (discarded 12 similar events)
[2026-05-26 17:28:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 17:28:24] [INFO ] State equation strengthened by 72 read => feed constraints.
[2026-05-26 17:28:29] [INFO ] Implicit Places using invariants and state equation in 6065 ms returned []
Implicit Place search using SMT with State Equation took 7086 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-26 17:28:29] [INFO ] Redundant transitions in 7 ms returned []
Running 662 sub problems to find dead transitions.
[2026-05-26 17:28:29] [INFO ] Flow matrix only has 652 transitions (discarded 12 similar events)
[2026-05-26 17:28:29] [INFO ] Invariant cache hit.
[2026-05-26 17:28:29] [INFO ] State equation strengthened by 72 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/306 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 662 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/306 variables, 19/36 constraints. Problems are: Problem set: 0 solved, 662 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:28:37] [INFO ] Deduced a trap composed of 15 places in 135 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:28:37] [INFO ] Deduced a trap composed of 39 places in 73 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:28:38] [INFO ] Deduced a trap composed of 40 places in 42 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:28:38] [INFO ] Deduced a trap composed of 39 places in 68 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:28:38] [INFO ] Deduced a trap composed of 40 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 17:28:38] [INFO ] Deduced a trap composed of 102 places in 494 ms of which 49 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:28:39] [INFO ] Deduced a trap composed of 39 places in 87 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:28:40] [INFO ] Deduced a trap composed of 26 places in 453 ms of which 43 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:28:41] [INFO ] Deduced a trap composed of 49 places in 455 ms of which 58 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:28:42] [INFO ] Deduced a trap composed of 39 places in 454 ms of which 57 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:28:42] [INFO ] Deduced a trap composed of 97 places in 430 ms of which 43 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:28:47] [INFO ] Deduced a trap composed of 97 places in 505 ms of which 76 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:28:48] [INFO ] Deduced a trap composed of 108 places in 494 ms of which 77 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/306 variables, 13/49 constraints. Problems are: Problem set: 0 solved, 662 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 306/960 variables, and 49 constraints, problems are : Problem set: 0 solved, 662 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 19/21 constraints, State Equation: 0/308 constraints, ReadFeed: 0/72 constraints, PredecessorRefiner: 662/662 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 662 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/306 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 662 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/306 variables, 19/36 constraints. Problems are: Problem set: 0 solved, 662 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/306 variables, 13/49 constraints. Problems are: Problem set: 0 solved, 662 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:29:17] [INFO ] Deduced a trap composed of 25 places in 195 ms of which 19 ms to minimize.
Error getting values : (error "ParserException while parsing response: ((s0 0)
(s1 0)
(s2 0)
(s3 9)
(s4 1)
(s5 1)
(s6 1)
(s7 0)
(s8 0)
(s9 0)
(s10 0)
(s11 0)
(s12 0)
(s13 0)
(s14 0)
(s15 0)
(s16 0)
(s17 0)
(s18 0)
(s19 0)
(s20 0)
(s21 0)
(s22 0)
(s23 0)
(s24 1)
(s25 0)
(s26 0)
(s27 0)
(s28 2)
(s29 0)
(s30 0)
(s31 0)
(s32 0)
(s33 0)
(s34 0)
(s35 0)
(s36 0)
(s37 1)
(s38 0)
(s39 0)
(s40 0)
(s41 0)
(s42 0)
(s43 0)
(s44 0)
(s45 0)
(s46 0)
(s47 0)
(s48 0)
(s49 0)
(s50 0)
(s51 0)
(s52 0)
(s53 0)
(s54 0)
(s55 1)
(s56 0)
(s57 0)
(s58 0)
(s59 0)
(s60 0)
(s61 1)
(s62 0)
(s63 0)
(s64 0)
(s65 0)
(s66 0)
(s67 0)
(s68 0)
(s69 0)
(s70 0)
(s71 0)
(s72 1)
(s73 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 306/960 variables, and 50 constraints, problems are : Problem set: 0 solved, 662 unsolved in 30026 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 19/21 constraints, State Equation: 0/308 constraints, ReadFeed: 0/72 constraints, PredecessorRefiner: 0/662 constraints, Known Traps: 14/14 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60470ms problems are : Problem set: 0 solved, 662 unsolved
Search for dead transitions found 0 dead transitions in 60473ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 67588 ms. Remains : 308/308 places, 664/664 transitions.
[2026-05-26 17:29:30] [INFO ] Flatten gal took : 121 ms
RANDOM walk for 40000 steps (22 resets) in 715 ms. (55 steps per ms) remains 2/2 properties
[2026-05-26 17:29:30] [INFO ] Flatten gal took : 101 ms
[2026-05-26 17:29:30] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16511796618754738668.gal : 22 ms
[2026-05-26 17:29:30] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16277715245333024835.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/ReachabilityCardinality16511796618754738668.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16277715245333024835.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40003 steps (9 resets) in 289 ms. (137 steps per ms) remains 2/2 properties

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
BEST_FIRST walk for 40004 steps (18 resets) in 297 ms. (134 steps per ms) remains 2/2 properties
Loading property file /tmp/ReachabilityCardinality16277715245333024835.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 16
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :16 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 60
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :60 after 270
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :270 after 490
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :490 after 920
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :920 after 3240
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :3240 after 12284
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :12284 after 14278
Interrupted probabilistic random walk after 172737 steps, run timeout after 3001 ms. (steps per millisecond=57 ) properties seen :0 out of 2
Probabilistic random walk after 172737 steps, saw 94702 distinct states, run finished after 3001 ms. (steps per millisecond=57 ) properties seen :0
[2026-05-26 17:29:33] [INFO ] Flow matrix only has 652 transitions (discarded 12 similar events)
[2026-05-26 17:29:33] [INFO ] Invariant cache hit.
[2026-05-26 17:29:33] [INFO ] State equation strengthened by 72 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 140/146 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/146 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem MAX0 is UNSAT
At refinement iteration 3 (OVERLAPS) 119/265 variables, 12/20 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/265 variables, 0/20 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 3/268 variables, 3/23 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/268 variables, 0/23 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 37/305 variables, 13/36 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 17:29:33] [INFO ] Deduced a trap composed of 39 places in 130 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:29:33] [INFO ] Deduced a trap composed of 40 places in 110 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:29:33] [INFO ] Deduced a trap composed of 39 places in 77 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:29:33] [INFO ] Deduced a trap composed of 40 places in 47 ms of which 3 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/305 variables, 4/40 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/305 variables, 0/40 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 1/306 variables, 1/41 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/306 variables, 0/41 constraints. Problems are: Problem set: 1 solved, 1 unsolved
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :14278 after 37258
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 652/958 variables, 306/347 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/958 variables, 72/419 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/958 variables, 0/419 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 2/960 variables, 2/421 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/960 variables, 1/422 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/960 variables, 0/422 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/960 variables, 0/422 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 960/960 variables, and 422 constraints, problems are : Problem set: 1 solved, 1 unsolved in 1282 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 21/21 constraints, State Equation: 308/308 constraints, ReadFeed: 72/72 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 4/4 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) 0/6 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 140/146 variables, 8/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/146 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 119/265 variables, 12/20 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/265 variables, 0/20 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 3/268 variables, 3/23 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/268 variables, 0/23 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 37/305 variables, 13/36 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/305 variables, 4/40 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/305 variables, 0/40 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 1/306 variables, 1/41 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/306 variables, 0/41 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 958/960 variables, and 347 constraints, problems are : Problem set: 1 solved, 1 unsolved in 1350 ms.
Refiners :[Positive P Invariants (semi-flows): 16/17 constraints, Generalized P Invariants (flows): 21/21 constraints, State Equation: 306/308 constraints, ReadFeed: 0/72 constraints, PredecessorRefiner: 0/2 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2643ms problems are : Problem set: 1 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 6 out of 308 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 308/308 places, 664/664 transitions.
Applied a total of 0 rules in 17 ms. Remains 308 /308 variables (removed 0) and now considering 664/664 (removed 0) transitions.
Running 662 sub problems to find dead transitions.
[2026-05-26 17:29:36] [INFO ] Flow matrix only has 652 transitions (discarded 12 similar events)
[2026-05-26 17:29:36] [INFO ] Invariant cache hit.
[2026-05-26 17:29:36] [INFO ] State equation strengthened by 72 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 :37258 after 322420
At refinement iteration 0 (INCLUDED_ONLY) 0/306 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 662 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/306 variables, 19/36 constraints. Problems are: Problem set: 0 solved, 662 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:29:43] [INFO ] Deduced a trap composed of 15 places in 166 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:29:43] [INFO ] Deduced a trap composed of 39 places in 84 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:29:43] [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 17:29:43] [INFO ] Deduced a trap composed of 39 places in 51 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:29:43] [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 17:29:44] [INFO ] Deduced a trap composed of 102 places in 347 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:29:44] [INFO ] Deduced a trap composed of 39 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 17:29:45] [INFO ] Deduced a trap composed of 26 places in 355 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:29:46] [INFO ] Deduced a trap composed of 49 places in 345 ms of which 36 ms to minimize.
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :322420 after 829500
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:29:46] [INFO ] Deduced a trap composed of 39 places in 350 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:29:47] [INFO ] Deduced a trap composed of 97 places in 350 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:29:51] [INFO ] Deduced a trap composed of 97 places in 335 ms of which 47 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:29:51] [INFO ] Deduced a trap composed of 108 places in 375 ms of which 48 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/306 variables, 13/49 constraints. Problems are: Problem set: 0 solved, 662 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 306/960 variables, and 49 constraints, problems are : Problem set: 0 solved, 662 unsolved in 20027 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 19/21 constraints, State Equation: 0/308 constraints, ReadFeed: 0/72 constraints, PredecessorRefiner: 662/662 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 662 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/306 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 662 unsolved
SDD proceeding with computation,2 properties remain. new max is 65536
SDD size :829500 after 1.03995e+06
At refinement iteration 1 (INCLUDED_ONLY) 0/306 variables, 19/36 constraints. Problems are: Problem set: 0 solved, 662 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/306 variables, 13/49 constraints. Problems are: Problem set: 0 solved, 662 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:30:14] [INFO ] Deduced a trap composed of 25 places in 287 ms of which 30 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 306/960 variables, and 50 constraints, problems are : Problem set: 0 solved, 662 unsolved in 20022 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 19/21 constraints, State Equation: 0/308 constraints, ReadFeed: 0/72 constraints, PredecessorRefiner: 0/662 constraints, Known Traps: 14/14 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40572ms problems are : Problem set: 0 solved, 662 unsolved
Search for dead transitions found 0 dead transitions in 40574ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40593 ms. Remains : 308/308 places, 664/664 transitions.
RANDOM walk for 40000 steps (24 resets) in 339 ms. (117 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (13 resets) in 131 ms. (303 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 260018 steps, run timeout after 3001 ms. (steps per millisecond=86 ) properties seen :0 out of 1
Probabilistic random walk after 260018 steps, saw 137872 distinct states, run finished after 3001 ms. (steps per millisecond=86 ) properties seen :0
[2026-05-26 17:30:19] [INFO ] Flow matrix only has 652 transitions (discarded 12 similar events)
[2026-05-26 17:30:19] [INFO ] Invariant cache hit.
[2026-05-26 17:30:19] [INFO ] State equation strengthened by 72 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 140/146 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/146 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 119/265 variables, 12/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/265 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 3/268 variables, 3/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/268 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 37/305 variables, 13/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/305 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 1/306 variables, 1/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/306 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Detected timeout of ITS tools.
[2026-05-26 17:30:20] [INFO ] Flatten gal took : 62 ms
[2026-05-26 17:30:20] [INFO ] Applying decomposition
[2026-05-26 17:30:20] [INFO ] Flatten gal took : 55 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/graph898348574755358925.txt' '-o' '/tmp/graph898348574755358925.bin' '-w' '/tmp/graph898348574755358925.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph898348574755358925.bin' '-l' '-1' '-v' '-w' '/tmp/graph898348574755358925.weights' '-q' '0' '-e' '0.001'
[2026-05-26 17:30:20] [INFO ] Decomposing Gal with order
[2026-05-26 17:30:20] [INFO ] Rewriting arrays to variables to allow decomposition.
At refinement iteration 11 (OVERLAPS) 652/958 variables, 306/343 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2026-05-26 17:30:20] [INFO ] Removed a total of 484 redundant transitions.
[2026-05-26 17:30:20] [INFO ] Flatten gal took : 146 ms
[2026-05-26 17:30:20] [INFO ] Fuse similar labels procedure discarded/fused a total of 234 labels/synchronizations in 32 ms.
At refinement iteration 12 (INCLUDED_ONLY) 0/958 variables, 72/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/958 variables, 0/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 2/960 variables, 2/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2026-05-26 17:30:20] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10906305378498226986.gal : 9 ms
At refinement iteration 15 (INCLUDED_ONLY) 0/960 variables, 1/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2026-05-26 17:30:20] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15470765508815462612.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/ReachabilityCardinality10906305378498226986.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15470765508815462612.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 ...330
At refinement iteration 16 (INCLUDED_ONLY) 0/960 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 0/960 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 960/960 variables, and 418 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1303 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 21/21 constraints, State Equation: 308/308 constraints, ReadFeed: 72/72 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) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 140/146 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/146 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 119/265 variables, 12/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Loading property file /tmp/ReachabilityCardinality15470765508815462612.prop.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:30:21] [INFO ] Deduced a trap composed of 25 places in 148 ms of which 10 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/265 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/265 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 3/268 variables, 3/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 12
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :12 after 18
At refinement iteration 7 (INCLUDED_ONLY) 0/268 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :18 after 50
At refinement iteration 8 (OVERLAPS) 37/305 variables, 13/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :50 after 92
[2026-05-26 17:30:21] [INFO ] Deduced a trap composed of 39 places in 151 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:30:21] [INFO ] Deduced a trap composed of 39 places in 149 ms of which 32 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 64
SDD size :230 after 1230
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :1230 after 1260
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :1260 after 1286
[2026-05-26 17:30:21] [INFO ] Deduced a trap composed of 39 places in 80 ms of which 10 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 512
SDD size :1286 after 1512
[2026-05-26 17:30:21] [INFO ] Deduced a trap composed of 40 places in 47 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/305 variables, 4/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/305 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 1/306 variables, 1/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/306 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :1512 after 1802
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :1802 after 2300
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :2300 after 2894
At refinement iteration 13 (OVERLAPS) 652/958 variables, 306/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/958 variables, 72/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/958 variables, 1/421 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/958 variables, 0/421 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/960 variables, 2/423 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/960 variables, 1/424 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 17:30:24] [INFO ] Deduced a trap composed of 108 places in 339 ms of which 46 ms to minimize.
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :2894 after 4245
At refinement iteration 19 (INCLUDED_ONLY) 0/960 variables, 1/425 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/960 variables, 0/425 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/960 variables, 0/425 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 960/960 variables, and 425 constraints, problems are : Problem set: 0 solved, 1 unsolved in 3701 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 21/21 constraints, State Equation: 308/308 constraints, ReadFeed: 72/72 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5016ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 49 ms.
Support contains 6 out of 308 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 308/308 places, 664/664 transitions.
Applied a total of 0 rules in 24 ms. Remains 308 /308 variables (removed 0) and now considering 664/664 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25 ms. Remains : 308/308 places, 664/664 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 308/308 places, 664/664 transitions.
Applied a total of 0 rules in 28 ms. Remains 308 /308 variables (removed 0) and now considering 664/664 (removed 0) transitions.
[2026-05-26 17:30:24] [INFO ] Flow matrix only has 652 transitions (discarded 12 similar events)
[2026-05-26 17:30:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 17:30:26] [INFO ] Implicit Places using invariants in 1344 ms returned []
[2026-05-26 17:30:26] [INFO ] Flow matrix only has 652 transitions (discarded 12 similar events)
[2026-05-26 17:30:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 17:30:26] [INFO ] State equation strengthened by 72 read => feed constraints.
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :14458 after 32918
[2026-05-26 17:30:32] [INFO ] Implicit Places using invariants and state equation in 6560 ms returned []
Implicit Place search using SMT with State Equation took 7918 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-26 17:30:32] [INFO ] Redundant transitions in 12 ms returned []
Running 662 sub problems to find dead transitions.
[2026-05-26 17:30:32] [INFO ] Flow matrix only has 652 transitions (discarded 12 similar events)
[2026-05-26 17:30:32] [INFO ] Invariant cache hit.
[2026-05-26 17:30:32] [INFO ] State equation strengthened by 72 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 :32918 after 42534
At refinement iteration 0 (INCLUDED_ONLY) 0/306 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 662 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/306 variables, 19/36 constraints. Problems are: Problem set: 0 solved, 662 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:30:40] [INFO ] Deduced a trap composed of 15 places in 190 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:30:40] [INFO ] Deduced a trap composed of 39 places in 88 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:30:40] [INFO ] Deduced a trap composed of 40 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 17:30:40] [INFO ] Deduced a trap composed of 39 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 17:30:40] [INFO ] Deduced a trap composed of 40 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 17:30:41] [INFO ] Deduced a trap composed of 102 places in 343 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:30:41] [INFO ] Deduced a trap composed of 39 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 17:30:42] [INFO ] Deduced a trap composed of 26 places in 335 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:30:43] [INFO ] Deduced a trap composed of 49 places in 343 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:30:43] [INFO ] Deduced a trap composed of 39 places in 354 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:30:44] [INFO ] Deduced a trap composed of 97 places in 305 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:30:48] [INFO ] Deduced a trap composed of 97 places in 377 ms of which 46 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:30:49] [INFO ] Deduced a trap composed of 108 places in 374 ms of which 46 ms to minimize.
SDD proceeding with computation,1 properties remain. new max is 65536
SDD size :42534 after 98956
At refinement iteration 2 (INCLUDED_ONLY) 0/306 variables, 13/49 constraints. Problems are: Problem set: 0 solved, 662 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 306/960 variables, and 49 constraints, problems are : Problem set: 0 solved, 662 unsolved in 30025 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 19/21 constraints, State Equation: 0/308 constraints, ReadFeed: 0/72 constraints, PredecessorRefiner: 662/662 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 662 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/306 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 662 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/306 variables, 19/36 constraints. Problems are: Problem set: 0 solved, 662 unsolved
Detected timeout of ITS tools.
At refinement iteration 2 (INCLUDED_ONLY) 0/306 variables, 13/49 constraints. Problems are: Problem set: 0 solved, 662 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:31:20] [INFO ] Deduced a trap composed of 25 places in 161 ms of which 17 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 306/960 variables, and 50 constraints, problems are : Problem set: 0 solved, 662 unsolved in 30026 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 19/21 constraints, State Equation: 0/308 constraints, ReadFeed: 0/72 constraints, PredecessorRefiner: 0/662 constraints, Known Traps: 14/14 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60885ms problems are : Problem set: 0 solved, 662 unsolved
Search for dead transitions found 0 dead transitions in 60890ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 68871 ms. Remains : 308/308 places, 664/664 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[90]
Ending property specific reduction for PolyORBLF-PT-S02J04T06-UpperBounds-06 in 251269 ms.
Starting property specific reduction for PolyORBLF-PT-S02J04T06-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:[16]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[16]
[2026-05-26 17:31:33] [INFO ] Flow matrix only has 653 transitions (discarded 12 similar events)
// Phase 1: matrix 653 rows 309 cols
[2026-05-26 17:31:33] [INFO ] Computed 38 invariants in 14 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[16]
RANDOM walk for 10000 steps (7 resets) in 59 ms. (166 steps per ms)
BEST_FIRST walk for 10001 steps (4 resets) in 30 ms. (322 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[16]
[2026-05-26 17:31:33] [INFO ] Flow matrix only has 653 transitions (discarded 12 similar events)
[2026-05-26 17:31:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 17:31:33] [INFO ] [Real]Absence check using 14 positive place invariants in 13 ms returned sat
[2026-05-26 17:31:33] [INFO ] [Real]Absence check using 14 positive and 24 generalized place invariants in 41 ms returned sat
[2026-05-26 17:31:34] [INFO ] [Real]Absence check using state equation in 937 ms returned sat
[2026-05-26 17:31:34] [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 17:31:35] [INFO ] [Nat]Absence check using 14 positive place invariants in 9 ms returned sat
[2026-05-26 17:31:35] [INFO ] [Nat]Absence check using 14 positive and 24 generalized place invariants in 23 ms returned sat
[2026-05-26 17:31:36] [INFO ] [Nat]Absence check using state equation in 984 ms returned sat
[2026-05-26 17:31:36] [INFO ] State equation strengthened by 72 read => feed constraints.
[2026-05-26 17:31:36] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-26 17:31:36] [INFO ] [Nat]Added 72 Read/Feed constraints in 801 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:31:37] [INFO ] Deduced a trap composed of 15 places in 298 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:31:37] [INFO ] Deduced a trap composed of 97 places in 465 ms of which 41 ms to minimize.
[2026-05-26 17:31:37] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1012 ms
[2026-05-26 17:31:37] [INFO ] Computed and/alt/rep : 357/1574/351 causal constraints (skipped 300 transitions) in 67 ms.
[2026-05-26 17:31:38] [INFO ] Added : 5 causal constraints over 1 iterations in 731 ms. Result :sat
Minimization took 561 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[16]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[16]
Support contains 1 out of 309 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 309/309 places, 665/665 transitions.
Free-agglomeration rule (complex) applied 6 times.
Iterating global reduction 0 with 6 rules applied. Total rules applied 6 place count 309 transition count 659
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 12 place count 303 transition count 659
Applied a total of 12 rules in 33 ms. Remains 303 /309 variables (removed 6) and now considering 659/665 (removed 6) transitions.
Running 657 sub problems to find dead transitions.
[2026-05-26 17:31:39] [INFO ] Flow matrix only has 647 transitions (discarded 12 similar events)
// Phase 1: matrix 647 rows 303 cols
[2026-05-26 17:31:39] [INFO ] Computed 38 invariants in 10 ms
[2026-05-26 17:31:39] [INFO ] State equation strengthened by 72 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/301 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 657 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/301 variables, 19/36 constraints. Problems are: Problem set: 0 solved, 657 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:31:47] [INFO ] Deduced a trap composed of 15 places in 150 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:31:47] [INFO ] Deduced a trap composed of 25 places in 172 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:31:48] [INFO ] Deduced a trap composed of 38 places in 105 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:31:48] [INFO ] Deduced a trap composed of 39 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 17:31:48] [INFO ] Deduced a trap composed of 38 places in 66 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:31:48] [INFO ] Deduced a trap composed of 39 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 17:31:49] [INFO ] Deduced a trap composed of 39 places in 477 ms of which 61 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:31:49] [INFO ] Deduced a trap composed of 38 places in 456 ms of which 57 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:31:50] [INFO ] Deduced a trap composed of 102 places in 480 ms of which 71 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:31:51] [INFO ] Deduced a trap composed of 26 places in 446 ms of which 47 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:31:52] [INFO ] Deduced a trap composed of 49 places in 413 ms of which 48 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:31:55] [INFO ] Deduced a trap composed of 97 places in 476 ms of which 72 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:31:57] [INFO ] Deduced a trap composed of 103 places in 444 ms of which 66 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:31:58] [INFO ] Deduced a trap composed of 97 places in 504 ms of which 74 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:31:59] [INFO ] Deduced a trap composed of 82 places in 427 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:31:59] [INFO ] Deduced a trap composed of 110 places in 446 ms of which 48 ms to minimize.
SMT process timed out in 20630ms, After SMT, problems are : Problem set: 0 solved, 657 unsolved
Search for dead transitions found 0 dead transitions in 20633ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 20668 ms. Remains : 303/309 places, 659/665 transitions.
[2026-05-26 17:31:59] [INFO ] Flow matrix only has 647 transitions (discarded 12 similar events)
[2026-05-26 17:31:59] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[16]
RANDOM walk for 1000000 steps (570 resets) in 5698 ms. (175 steps per ms)
BEST_FIRST walk for 1000000 steps (244 resets) in 2599 ms. (384 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[16]
[2026-05-26 17:32:08] [INFO ] Flow matrix only has 647 transitions (discarded 12 similar events)
[2026-05-26 17:32:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 17:32:08] [INFO ] [Real]Absence check using 17 positive place invariants in 17 ms returned sat
[2026-05-26 17:32:08] [INFO ] [Real]Absence check using 17 positive and 21 generalized place invariants in 44 ms returned sat
[2026-05-26 17:32:09] [INFO ] [Real]Absence check using state equation in 989 ms returned sat
[2026-05-26 17:32:09] [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 17:32:09] [INFO ] [Nat]Absence check using 17 positive place invariants in 9 ms returned sat
[2026-05-26 17:32:09] [INFO ] [Nat]Absence check using 17 positive and 21 generalized place invariants in 20 ms returned sat
[2026-05-26 17:32:10] [INFO ] [Nat]Absence check using state equation in 685 ms returned sat
[2026-05-26 17:32:10] [INFO ] State equation strengthened by 72 read => feed constraints.
[2026-05-26 17:32:10] [INFO ] [Nat]Added 72 Read/Feed constraints in 288 ms returned sat
[2026-05-26 17:32:10] [INFO ] Computed and/alt/rep : 356/1566/350 causal constraints (skipped 295 transitions) in 52 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:32:12] [INFO ] Deduced a trap composed of 39 places in 87 ms of which 5 ms to minimize.
[2026-05-26 17:32:12] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 223 ms
[2026-05-26 17:32:12] [INFO ] Added : 77 causal constraints over 16 iterations in 2402 ms. Result :sat
Minimization took 3559 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[16]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[16]
Support contains 1 out of 303 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 303/303 places, 659/659 transitions.
Applied a total of 0 rules in 15 ms. Remains 303 /303 variables (removed 0) and now considering 659/659 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15 ms. Remains : 303/303 places, 659/659 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 303/303 places, 659/659 transitions.
Applied a total of 0 rules in 24 ms. Remains 303 /303 variables (removed 0) and now considering 659/659 (removed 0) transitions.
[2026-05-26 17:32:16] [INFO ] Flow matrix only has 647 transitions (discarded 12 similar events)
[2026-05-26 17:32:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 17:32:18] [INFO ] Implicit Places using invariants in 1762 ms returned []
[2026-05-26 17:32:18] [INFO ] Flow matrix only has 647 transitions (discarded 12 similar events)
[2026-05-26 17:32:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 17:32:19] [INFO ] State equation strengthened by 72 read => feed constraints.
[2026-05-26 17:32:24] [INFO ] Implicit Places using invariants and state equation in 5995 ms returned []
Implicit Place search using SMT with State Equation took 7763 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-26 17:32:24] [INFO ] Redundant transitions in 7 ms returned []
Running 657 sub problems to find dead transitions.
[2026-05-26 17:32:24] [INFO ] Flow matrix only has 647 transitions (discarded 12 similar events)
[2026-05-26 17:32:24] [INFO ] Invariant cache hit.
[2026-05-26 17:32:24] [INFO ] State equation strengthened by 72 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/301 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 657 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/301 variables, 19/36 constraints. Problems are: Problem set: 0 solved, 657 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:32:33] [INFO ] Deduced a trap composed of 15 places in 149 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:32:33] [INFO ] Deduced a trap composed of 38 places in 108 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:32:33] [INFO ] Deduced a trap composed of 39 places in 73 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:32:33] [INFO ] Deduced a trap composed of 39 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:32:33] [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 17:32:33] [INFO ] Deduced a trap composed of 38 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:32:34] [INFO ] Deduced a trap composed of 102 places in 449 ms of which 49 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:32:36] [INFO ] Deduced a trap composed of 26 places in 459 ms of which 48 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:32:36] [INFO ] Deduced a trap composed of 38 places in 468 ms of which 58 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:32:37] [INFO ] Deduced a trap composed of 49 places in 427 ms of which 56 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:32:39] [INFO ] Deduced a trap composed of 97 places in 496 ms of which 80 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:32:42] [INFO ] Deduced a trap composed of 103 places in 416 ms of which 70 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:32:43] [INFO ] Deduced a trap composed of 97 places in 503 ms of which 76 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:32:44] [INFO ] Deduced a trap composed of 110 places in 433 ms of which 46 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:32:45] [INFO ] Deduced a trap composed of 108 places in 505 ms of which 79 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/301 variables, 15/51 constraints. Problems are: Problem set: 0 solved, 657 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:32:52] [INFO ] Deduced a trap composed of 167 places in 470 ms of which 76 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 301/950 variables, and 52 constraints, problems are : Problem set: 0 solved, 657 unsolved in 30024 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 19/21 constraints, State Equation: 0/303 constraints, ReadFeed: 0/72 constraints, PredecessorRefiner: 657/657 constraints, Known Traps: 16/16 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 657 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/301 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 657 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/301 variables, 19/36 constraints. Problems are: Problem set: 0 solved, 657 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/301 variables, 16/52 constraints. Problems are: Problem set: 0 solved, 657 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 301/950 variables, and 52 constraints, problems are : Problem set: 0 solved, 657 unsolved in 30026 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 19/21 constraints, State Equation: 0/303 constraints, ReadFeed: 0/72 constraints, PredecessorRefiner: 0/657 constraints, Known Traps: 16/16 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60757ms problems are : Problem set: 0 solved, 657 unsolved
Search for dead transitions found 0 dead transitions in 60761ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 68564 ms. Remains : 303/303 places, 659/659 transitions.
[2026-05-26 17:33:25] [INFO ] Flatten gal took : 84 ms
RANDOM walk for 40000 steps (20 resets) in 567 ms. (70 steps per ms) remains 2/2 properties
[2026-05-26 17:33:25] [INFO ] Flatten gal took : 114 ms
[2026-05-26 17:33:25] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17871312465233255872.gal : 22 ms
[2026-05-26 17:33:25] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1139148611715715548.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/ReachabilityCardinality17871312465233255872.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1139148611715715548.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
BEST_FIRST walk for 40004 steps (14 resets) in 286 ms. (139 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (10 resets) in 337 ms. (118 steps per ms) remains 2/2 properties
Loading property file /tmp/ReachabilityCardinality1139148611715715548.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 16
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :16 after 17
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :17 after 23
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :23 after 28
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :28 after 130
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :130 after 560
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :560 after 3030
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :3030 after 8948
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :8948 after 10224
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :10224 after 11974
Interrupted probabilistic random walk after 185519 steps, run timeout after 3001 ms. (steps per millisecond=61 ) properties seen :0 out of 2
Probabilistic random walk after 185519 steps, saw 101040 distinct states, run finished after 3001 ms. (steps per millisecond=61 ) properties seen :0
[2026-05-26 17:33:28] [INFO ] Flow matrix only has 647 transitions (discarded 12 similar events)
[2026-05-26 17:33:28] [INFO ] Invariant cache hit.
[2026-05-26 17:33:28] [INFO ] State equation strengthened by 72 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) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 105/109 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/109 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 68/177 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/177 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 6/183 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/183 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem MAX0 is UNSAT
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 114/297 variables, 20/33 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/297 variables, 0/33 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 4/301 variables, 4/37 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/301 variables, 0/37 constraints. Problems are: Problem set: 1 solved, 1 unsolved
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :11974 after 49794
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 948/950 variables, and 338 constraints, problems are : Problem set: 1 solved, 1 unsolved in 1098 ms.
Refiners :[Positive P Invariants (semi-flows): 16/17 constraints, Generalized P Invariants (flows): 21/21 constraints, State Equation: 301/303 constraints, ReadFeed: 0/72 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 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) 3/4 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 105/109 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/109 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 68/177 variables, 8/10 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/177 variables, 0/10 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 6/183 variables, 3/13 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/183 variables, 0/13 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 114/297 variables, 20/33 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 17:33:30] [INFO ] Deduced a trap composed of 38 places in 145 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:33:30] [INFO ] Deduced a trap composed of 38 places in 111 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:33:30] [INFO ] Deduced a trap composed of 38 places in 90 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:33:30] [INFO ] Deduced a trap composed of 39 places in 60 ms of which 5 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/297 variables, 4/37 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/297 variables, 0/37 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 4/301 variables, 4/41 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/301 variables, 0/41 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 948/950 variables, and 342 constraints, problems are : Problem set: 1 solved, 1 unsolved in 1630 ms.
Refiners :[Positive P Invariants (semi-flows): 16/17 constraints, Generalized P Invariants (flows): 21/21 constraints, State Equation: 301/303 constraints, ReadFeed: 0/72 constraints, PredecessorRefiner: 0/2 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2736ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 85 ms.
Support contains 1 out of 303 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 303/303 places, 659/659 transitions.
Applied a total of 0 rules in 12 ms. Remains 303 /303 variables (removed 0) and now considering 659/659 (removed 0) transitions.
Running 657 sub problems to find dead transitions.
[2026-05-26 17:33:31] [INFO ] Flow matrix only has 647 transitions (discarded 12 similar events)
[2026-05-26 17:33:31] [INFO ] Invariant cache hit.
[2026-05-26 17:33:31] [INFO ] State equation strengthened by 72 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 :49794 after 328739
At refinement iteration 0 (INCLUDED_ONLY) 0/301 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 657 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/301 variables, 19/36 constraints. Problems are: Problem set: 0 solved, 657 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:33:38] [INFO ] Deduced a trap composed of 15 places in 222 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:33:38] [INFO ] Deduced a trap composed of 38 places in 149 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:33:38] [INFO ] Deduced a trap composed of 39 places in 102 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:33:38] [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 17:33:38] [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 17:33:38] [INFO ] Deduced a trap composed of 38 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 17:33:39] [INFO ] Deduced a trap composed of 102 places in 396 ms of which 50 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:33:40] [INFO ] Deduced a trap composed of 26 places in 402 ms of which 48 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:33:40] [INFO ] Deduced a trap composed of 38 places in 365 ms of which 59 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 :328739 after 715818
[2026-05-26 17:33:41] [INFO ] Deduced a trap composed of 49 places in 354 ms of which 56 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:33:42] [INFO ] Deduced a trap composed of 97 places in 254 ms of which 47 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:33:44] [INFO ] Deduced a trap composed of 103 places in 402 ms of which 71 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:33:45] [INFO ] Deduced a trap composed of 97 places in 438 ms of which 75 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:33:45] [INFO ] Deduced a trap composed of 110 places in 368 ms of which 47 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:33:46] [INFO ] Deduced a trap composed of 108 places in 439 ms of which 78 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/301 variables, 15/51 constraints. Problems are: Problem set: 0 solved, 657 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:33:51] [INFO ] Deduced a trap composed of 167 places in 281 ms of which 47 ms to minimize.
SDD proceeding with computation,2 properties remain. new max is 65536
SDD size :715818 after 924110
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 301/950 variables, and 52 constraints, problems are : Problem set: 0 solved, 657 unsolved in 20018 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 19/21 constraints, State Equation: 0/303 constraints, ReadFeed: 0/72 constraints, PredecessorRefiner: 657/657 constraints, Known Traps: 16/16 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 657 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/301 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 657 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/301 variables, 19/36 constraints. Problems are: Problem set: 0 solved, 657 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/301 variables, 16/52 constraints. Problems are: Problem set: 0 solved, 657 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 301/950 variables, and 52 constraints, problems are : Problem set: 0 solved, 657 unsolved in 20028 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 19/21 constraints, State Equation: 0/303 constraints, ReadFeed: 0/72 constraints, PredecessorRefiner: 0/657 constraints, Known Traps: 16/16 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40544ms problems are : Problem set: 0 solved, 657 unsolved
Search for dead transitions found 0 dead transitions in 40546ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40560 ms. Remains : 303/303 places, 659/659 transitions.
RANDOM walk for 40000 steps (25 resets) in 249 ms. (160 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40001 steps (16 resets) in 136 ms. (291 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 269920 steps, run timeout after 3001 ms. (steps per millisecond=89 ) properties seen :0 out of 1
Probabilistic random walk after 269920 steps, saw 142774 distinct states, run finished after 3001 ms. (steps per millisecond=89 ) properties seen :0
[2026-05-26 17:34:15] [INFO ] Flow matrix only has 647 transitions (discarded 12 similar events)
[2026-05-26 17:34:15] [INFO ] Invariant cache hit.
[2026-05-26 17:34:15] [INFO ] State equation strengthened by 72 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) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 105/109 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/109 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 68/177 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/177 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 6/183 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/183 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 114/297 variables, 20/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/297 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 4/301 variables, 4/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/301 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Detected timeout of ITS tools.
[2026-05-26 17:34:15] [INFO ] Flatten gal took : 32 ms
[2026-05-26 17:34:15] [INFO ] Applying decomposition
[2026-05-26 17:34:15] [INFO ] Flatten gal took : 32 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/graph7260980200018278405.txt' '-o' '/tmp/graph7260980200018278405.bin' '-w' '/tmp/graph7260980200018278405.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph7260980200018278405.bin' '-l' '-1' '-v' '-w' '/tmp/graph7260980200018278405.weights' '-q' '0' '-e' '0.001'
[2026-05-26 17:34:16] [INFO ] Decomposing Gal with order
[2026-05-26 17:34:16] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 17:34:16] [INFO ] Removed a total of 603 redundant transitions.
[2026-05-26 17:34:16] [INFO ] Flatten gal took : 82 ms
[2026-05-26 17:34:16] [INFO ] Fuse similar labels procedure discarded/fused a total of 467 labels/synchronizations in 32 ms.
[2026-05-26 17:34:16] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3068884094764304938.gal : 12 ms
[2026-05-26 17:34:16] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12528854526263490129.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/ReachabilityCardinality3068884094764304938.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12528854526263490129.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/ReachabilityCardinality12528854526263490129.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 1
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :1 after 1
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1 after 1
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :1 after 1
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :5 after 5
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :5 after 18
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :18 after 298
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :298 after 3227
At refinement iteration 13 (OVERLAPS) 647/948 variables, 301/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/948 variables, 72/410 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/948 variables, 0/410 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 2/950 variables, 2/412 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/950 variables, 1/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/950 variables, 0/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/950 variables, 0/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 950/950 variables, and 413 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1946 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 21/21 constraints, State Equation: 303/303 constraints, ReadFeed: 72/72 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) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 105/109 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/109 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 68/177 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/177 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 6/183 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/183 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 114/297 variables, 20/33 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 17:34:17] [INFO ] Deduced a trap composed of 38 places in 130 ms of which 21 ms to minimize.
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :3227 after 5985
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:34:17] [INFO ] Deduced a trap composed of 38 places in 99 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:34:17] [INFO ] Deduced a trap composed of 38 places in 71 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:34:17] [INFO ] Deduced a trap composed of 39 places in 40 ms of which 3 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/297 variables, 4/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/297 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 4/301 variables, 4/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/301 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 647/948 variables, 301/342 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/948 variables, 72/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :5985 after 9510
At refinement iteration 16 (INCLUDED_ONLY) 0/948 variables, 1/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/948 variables, 0/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 2/950 variables, 2/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/950 variables, 1/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/950 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/950 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 950/950 variables, and 418 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2170 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 21/21 constraints, State Equation: 303/303 constraints, ReadFeed: 72/72 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4124ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 20 ms.
Support contains 1 out of 303 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 303/303 places, 659/659 transitions.
Applied a total of 0 rules in 13 ms. Remains 303 /303 variables (removed 0) and now considering 659/659 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 303/303 places, 659/659 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 303/303 places, 659/659 transitions.
Applied a total of 0 rules in 27 ms. Remains 303 /303 variables (removed 0) and now considering 659/659 (removed 0) transitions.
[2026-05-26 17:34:19] [INFO ] Flow matrix only has 647 transitions (discarded 12 similar events)
[2026-05-26 17:34:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 17:34:20] [INFO ] Implicit Places using invariants in 1127 ms returned []
[2026-05-26 17:34:20] [INFO ] Flow matrix only has 647 transitions (discarded 12 similar events)
[2026-05-26 17:34:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 17:34:21] [INFO ] State equation strengthened by 72 read => feed constraints.
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :9510 after 10509
[2026-05-26 17:34:26] [INFO ] Implicit Places using invariants and state equation in 6234 ms returned []
Implicit Place search using SMT with State Equation took 7363 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-26 17:34:26] [INFO ] Redundant transitions in 8 ms returned []
Running 657 sub problems to find dead transitions.
[2026-05-26 17:34:26] [INFO ] Flow matrix only has 647 transitions (discarded 12 similar events)
[2026-05-26 17:34:27] [INFO ] Invariant cache hit.
[2026-05-26 17:34:27] [INFO ] State equation strengthened by 72 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 16384
SDD size :10509 after 21404
At refinement iteration 0 (INCLUDED_ONLY) 0/301 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 657 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/301 variables, 19/36 constraints. Problems are: Problem set: 0 solved, 657 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:34:34] [INFO ] Deduced a trap composed of 15 places in 168 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:34:34] [INFO ] Deduced a trap composed of 38 places in 115 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:34:34] [INFO ] Deduced a trap composed of 39 places in 82 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:34:34] [INFO ] Deduced a trap composed of 39 places in 48 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:34:34] [INFO ] Deduced a trap composed of 39 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 17:34:34] [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 17:34:35] [INFO ] Deduced a trap composed of 102 places in 273 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:34:36] [INFO ] Deduced a trap composed of 26 places in 281 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:34:36] [INFO ] Deduced a trap composed of 38 places in 257 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:34:36] [INFO ] Deduced a trap composed of 49 places in 321 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:34:38] [INFO ] Deduced a trap composed of 97 places in 309 ms of which 47 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:34:40] [INFO ] Deduced a trap composed of 103 places in 389 ms of which 71 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:34:41] [INFO ] Deduced a trap composed of 97 places in 330 ms of which 46 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:34:41] [INFO ] Deduced a trap composed of 110 places in 250 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:34:42] [INFO ] Deduced a trap composed of 108 places in 385 ms of which 46 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/301 variables, 15/51 constraints. Problems are: Problem set: 0 solved, 657 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:34:47] [INFO ] Deduced a trap composed of 167 places in 318 ms of which 45 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 :21404 after 168833
[2026-05-26 17:34:51] [INFO ] Deduced a trap composed of 25 places in 172 ms of which 19 ms to minimize.
Error getting values : (error "ParserException while parsing response: ((s0 0.0)
(s1 0.0)
(s2 0.0)
(s3 9.0)
(s4 0.0)
(s5 0.0)
(s6 0.0)
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(s18 0.0)
(s19 0.0)
(s20 0.0)
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(s22 0.0)
(s23 1.0)
(s24 0.0)
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(s29 0.0)
(s30 0.0)
(s31 9.0)
(s32 0.0)
(s33 0.0)
(s34 0.0)
(s35 0.0)
(s36 1.0)
(s37 0.0)
(s38 0.0)
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(s162 3.0)
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(s185 0.0)
(s186 1.0)
(s187 0.0)
(s188 0.0)
(s189 0.0)
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(s198 0.0)
(s199 0.0)
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(s205 1.0)
(s206 0.0)
(s207 0.0)
(s208 timeout
0.0 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 3 (INCLUDED_ONLY) 0/301 variables, 2/53 constraints. Problems are: Problem set: 0 solved, 657 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 301/950 variables, and 53 constraints, problems are : Problem set: 0 solved, 657 unsolved in 30031 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 19/21 constraints, State Equation: 0/303 constraints, ReadFeed: 0/72 constraints, PredecessorRefiner: 657/657 constraints, Known Traps: 17/17 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 657 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/301 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 657 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/301 variables, 19/36 constraints. Problems are: Problem set: 0 solved, 657 unsolved
Detected timeout of ITS tools.
At refinement iteration 2 (INCLUDED_ONLY) 0/301 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 657 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 301/950 variables, and 53 constraints, problems are : Problem set: 0 solved, 657 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 19/21 constraints, State Equation: 0/303 constraints, ReadFeed: 0/72 constraints, PredecessorRefiner: 0/657 constraints, Known Traps: 17/17 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60538ms problems are : Problem set: 0 solved, 657 unsolved
Search for dead transitions found 0 dead transitions in 60541ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 67948 ms. Remains : 303/303 places, 659/659 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[16]
Ending property specific reduction for PolyORBLF-PT-S02J04T06-UpperBounds-10 in 233835 ms.
[2026-05-26 17:35:27] [INFO ] Flatten gal took : 50 ms
[2026-05-26 17:35:27] [INFO ] Applying decomposition
[2026-05-26 17:35:27] [INFO ] Flatten gal took : 48 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/graph414446198404445489.txt' '-o' '/tmp/graph414446198404445489.bin' '-w' '/tmp/graph414446198404445489.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph414446198404445489.bin' '-l' '-1' '-v' '-w' '/tmp/graph414446198404445489.weights' '-q' '0' '-e' '0.001'
[2026-05-26 17:35:27] [INFO ] Decomposing Gal with order
[2026-05-26 17:35:27] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 17:35:27] [INFO ] Removed a total of 597 redundant transitions.
[2026-05-26 17:35:28] [INFO ] Flatten gal took : 127 ms
[2026-05-26 17:35:28] [INFO ] Fuse similar labels procedure discarded/fused a total of 340 labels/synchronizations in 40 ms.
[2026-05-26 17:35:28] [INFO ] Time to serialize gal into /tmp/UpperBounds2927527653859020630.gal : 15 ms
[2026-05-26 17:35:28] [INFO ] Time to serialize properties into /tmp/UpperBounds14120303844929015241.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/UpperBounds2927527653859020630.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds14120303844929015241.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...305
Loading property file /tmp/UpperBounds14120303844929015241.prop.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst\_mod\_flatf,6.38243e+06,318.634,4737168,2,484631,5,6.65205e+06,6,0,2096,8.22139e+06,0
Total reachable state count : 6382428

Verifying 2 reachability properties.
Min sum of variable value : 0
Maximum sum along a path : 2
Bounds property PolyORBLF-PT-S02J04T06-UpperBounds-06 :0 <= gi6.gu21.TryAllocateOneTaskE_1+gi6.gu21.TryAllocateOneTaskE_6+gi6.gu21.TryAllocateOneTaskE_4+gi...250
FORMULA PolyORBLF-PT-S02J04T06-UpperBounds-06 2 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
PolyORBLF-PT-S02J04T06-UpperBounds-06,0,318.694,4737168,1,0,7,6.65205e+06,9,1,2453,8.22139e+06,4
Min sum of variable value : 0
Maximum sum along a path : 2
Bounds property PolyORBLF-PT-S02J04T06-UpperBounds-10 :0 <= gi6.gu21.TryAllocateOneTaskB_5 <= 2
FORMULA PolyORBLF-PT-S02J04T06-UpperBounds-10 2 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
PolyORBLF-PT-S02J04T06-UpperBounds-10,0,318.759,4737168,1,0,8,6.65205e+06,10,1,2479,8.22139e+06,5
Total runtime 1191545 ms.

BK_STOP 1779817247656

--------------------
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-S02J04T06"
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-S02J04T06, 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-177969946400052"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/PolyORBLF-PT-S02J04T06.tgz
mv PolyORBLF-PT-S02J04T06 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "UpperBounds.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' UpperBounds.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;